diff options
author | japhet@chromium.org <japhet@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-29 15:31:53 +0000 |
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committer | japhet@chromium.org <japhet@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-29 15:31:53 +0000 |
commit | 162daa054276523dcbab30cb6c227f16abfd9c3b (patch) | |
tree | fee6a2aef24156a90f3918d36e052a525321dde1 | |
parent | d5d7ebfc24f9a90183cc8bfd16243d604b35730f (diff) | |
download | chromium_src-162daa054276523dcbab30cb6c227f16abfd9c3b.zip chromium_src-162daa054276523dcbab30cb6c227f16abfd9c3b.tar.gz chromium_src-162daa054276523dcbab30cb6c227f16abfd9c3b.tar.bz2 |
Use upstream V8Proxy and V8Utilities
BUG=15459
TEST=none
Review URL: http://codereview.chromium.org/149086
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19488 0039d316-1c4b-4281-b951-d872f2087c98
-rw-r--r-- | DEPS | 2 | ||||
-rw-r--r-- | webkit/api/src/WebKit.cpp | 4 | ||||
-rw-r--r-- | webkit/glue/chrome_client_impl.cc | 4 | ||||
-rw-r--r-- | webkit/glue/devtools/bound_object.cc | 6 | ||||
-rw-r--r-- | webkit/glue/devtools/debugger_agent_impl.cc | 19 | ||||
-rw-r--r-- | webkit/glue/devtools/debugger_agent_manager.cc | 6 | ||||
-rw-r--r-- | webkit/glue/npruntime_util.cc | 8 | ||||
-rw-r--r-- | webkit/glue/webdevtoolsagent_impl.cc | 6 | ||||
-rw-r--r-- | webkit/glue/webdevtoolsclient_impl.cc | 14 | ||||
-rw-r--r-- | webkit/port/bindings/scripts/CodeGeneratorV8.pm | 94 | ||||
-rw-r--r-- | webkit/port/bindings/v8/NPV8Object.cpp | 16 | ||||
-rw-r--r-- | webkit/port/bindings/v8/V8NPObject.cpp | 22 | ||||
-rw-r--r-- | webkit/port/bindings/v8/V8NPUtils.cpp | 2 | ||||
-rw-r--r-- | webkit/port/bindings/v8/V8SVGPODTypeWrapper.h | 4 | ||||
-rw-r--r-- | webkit/port/bindings/v8/v8_proxy.cpp | 3569 | ||||
-rw-r--r-- | webkit/port/bindings/v8/v8_proxy.h | 673 | ||||
-rw-r--r-- | webkit/port/bindings/v8/v8_utility.h | 68 | ||||
-rw-r--r-- | webkit/tools/test_shell/test_shell.cc | 4 | ||||
-rw-r--r-- | webkit/webkit.gyp | 4 |
19 files changed, 106 insertions, 4419 deletions
@@ -1,7 +1,7 @@ vars = { "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk", - "webkit_revision": "45287", + "webkit_revision": "45288", } diff --git a/webkit/api/src/WebKit.cpp b/webkit/api/src/WebKit.cpp index 8ecc859..b903aec 100644 --- a/webkit/api/src/WebKit.cpp +++ b/webkit/api/src/WebKit.cpp @@ -97,13 +97,13 @@ void registerURLSchemeAsNoAccess(const WebString& scheme) void registerExtension(v8::Extension* extension) { - WebCore::V8Proxy::RegisterExtension(extension, WebString()); + WebCore::V8Proxy::registerExtension(extension, WebString()); } void registerExtension(v8::Extension* extension, const WebString& schemeRestriction) { - WebCore::V8Proxy::RegisterExtension(extension, schemeRestriction); + WebCore::V8Proxy::registerExtension(extension, schemeRestriction); } void enableWebWorkers() diff --git a/webkit/glue/chrome_client_impl.cc b/webkit/glue/chrome_client_impl.cc index ff8aeb5..6341f55 100644 --- a/webkit/glue/chrome_client_impl.cc +++ b/webkit/glue/chrome_client_impl.cc @@ -25,7 +25,7 @@ MSVC_PUSH_WARNING_LEVEL(0); #include "ScriptController.h" #include "WindowFeatures.h" #if USE(V8) -#include "v8_proxy.h" +#include "V8Proxy.h" #endif MSVC_POP_WARNING(); @@ -361,7 +361,7 @@ void ChromeClientImpl::runJavaScriptAlert(WebCore::Frame* frame, #if USE(V8) // Before showing the JavaScript dialog, we give the proxy implementation // a chance to process any pending console messages. - WebCore::V8Proxy::ProcessConsoleMessages(); + WebCore::V8Proxy::processConsoleMessages(); #endif std::wstring wstr = webkit_glue::StringToStdWString(message); diff --git a/webkit/glue/devtools/bound_object.cc b/webkit/glue/devtools/bound_object.cc index c9993c4..bc8310c 100644 --- a/webkit/glue/devtools/bound_object.cc +++ b/webkit/glue/devtools/bound_object.cc @@ -6,7 +6,7 @@ #include <string> -#include "v8_proxy.h" +#include "V8Proxy.h" #include "webkit/glue/devtools/bound_object.h" using namespace WebCore; @@ -22,7 +22,7 @@ BoundObject::BoundObject( v8_this_ = v8::Persistent<v8::External>::New(v8::External::New(v8_this)); v8::Local<v8::FunctionTemplate> local_template = - v8::FunctionTemplate::New(V8Proxy::CheckNewLegal); + v8::FunctionTemplate::New(V8Proxy::checkNewLegal); host_template_ = v8::Persistent<v8::FunctionTemplate>::New(local_template); host_template_->SetClassName(v8::String::New(object_name)); } @@ -54,7 +54,7 @@ void BoundObject::Build() { v8::Local<v8::Function> constructor = host_template_->GetFunction(); bound_object_ = v8::Persistent<v8::Object>::New( - SafeAllocation::NewInstance(constructor)); + SafeAllocation::newInstance(constructor)); v8::Handle<v8::Object> global = context_->Global(); global->Set(v8::String::New(object_name_), bound_object_); diff --git a/webkit/glue/devtools/debugger_agent_impl.cc b/webkit/glue/devtools/debugger_agent_impl.cc index 4312cbe..dfbe7bc 100644 --- a/webkit/glue/devtools/debugger_agent_impl.cc +++ b/webkit/glue/devtools/debugger_agent_impl.cc @@ -10,15 +10,14 @@ #include "Document.h" #include "Page.h" +#include "V8Binding.h" +#include "V8DOMWindow.h" +#include "V8Index.h" +#include "V8Proxy.h" #undef LOG #include "base/string_piece.h" #include "grit/webkit_resources.h" -#include "V8Binding.h" -#include "V8DOMWindow.h" -#include "V8Index.h" -#include "v8_binding.h" -#include "v8_proxy.h" #include "webkit/glue/devtools/debugger_agent_impl.h" #include "webkit/glue/devtools/debugger_agent_manager.h" #include "webkit/glue/glue_util.h" @@ -62,8 +61,8 @@ void DebuggerAgentImpl::GetContextId() { void DebuggerAgentImpl::StartProfiling() { v8::HandleScope scope; WebCore::V8Proxy* proxy = V8Proxy::retrieve(GetPage()->mainFrame()); - DCHECK(proxy && proxy->ContextInitialized()); - v8::Context::Scope context_scope(proxy->GetContext()); + DCHECK(proxy && proxy->isContextInitialized()); + v8::Context::Scope context_scope(proxy->context()); v8::V8::ResumeProfiler(); } @@ -105,12 +104,12 @@ void DebuggerAgentImpl::ResetUtilityContext( // TODO(pfeldman): Validate against Soeren. // Set up the DOM window as the prototype of the new global object. v8::Handle<v8::Context> window_context = - V8Proxy::GetContext(document->frame()); + V8Proxy::context(document->frame()); v8::Handle<v8::Object> window_global = window_context->Global(); v8::Handle<v8::Value> window_wrapper = - V8Proxy::LookupDOMWrapper(V8ClassIndex::DOMWINDOW, window_global); + V8Proxy::lookupDOMWrapper(V8ClassIndex::DOMWINDOW, window_global); - ASSERT(V8Proxy::DOMWrapperToNative<DOMWindow>(window_wrapper) == + ASSERT(V8Proxy::convertDOMWrapperToNative<DOMWindow>(window_wrapper) == document->frame()->domWindow()); // Create a new environment using an empty template for the shadow diff --git a/webkit/glue/devtools/debugger_agent_manager.cc b/webkit/glue/devtools/debugger_agent_manager.cc index 102224f..d2f41d3 100644 --- a/webkit/glue/devtools/debugger_agent_manager.cc +++ b/webkit/glue/devtools/debugger_agent_manager.cc @@ -6,7 +6,7 @@ #include "Frame.h" #include "PageGroupLoadDeferrer.h" -#include "v8_proxy.h" +#include "V8Proxy.h" #include <wtf/HashSet.h> #undef LOG @@ -188,7 +188,7 @@ void DebuggerAgentManager::OnV8DebugMessage(const v8::Debug::Message& message) { // If the context is from one of the inpected tabs or injected extension // scripts it must have host_id in the data field. - int host_id = WebCore::V8Proxy::GetContextDebugId(context); + int host_id = WebCore::V8Proxy::contextDebugId(context); if (host_id != -1) { DebuggerAgentImpl* agent = DebuggerAgentForHostId(host_id); if (agent) { @@ -222,7 +222,7 @@ void DebuggerAgentManager::SetHostId(WebFrameImpl* webframe, int host_id) { DCHECK(host_id > 0); WebCore::V8Proxy* proxy = WebCore::V8Proxy::retrieve(webframe->frame()); if (proxy) { - proxy->SetContextDebugId(host_id); + proxy->setContextDebugId(host_id); } } diff --git a/webkit/glue/npruntime_util.cc b/webkit/glue/npruntime_util.cc index f1c23eb..687afb1 100644 --- a/webkit/glue/npruntime_util.cc +++ b/webkit/glue/npruntime_util.cc @@ -13,7 +13,7 @@ #include "MouseEvent.h" #include "NPV8Object.h" // for PrivateIdentifier #include "V8Helpers.h" -#include "v8_proxy.h" +#include "V8Proxy.h" #elif USE(JAVASCRIPTCORE_BINDINGS) #include "bridge/c/c_utility.h" #endif @@ -102,20 +102,20 @@ static bool DragEventData(NPObject* npobj, int* event_id, WebDragData* data) { // Get the current WebCore event. v8::Handle<v8::Value> current_event(GetEvent(context)); - WebCore::Event* event = V8Proxy::ToNativeEvent(current_event); + WebCore::Event* event = V8Proxy::convertToNativeEvent(current_event); if (event == NULL) return false; // Check that the given npobj is that event. V8NPObject* object = reinterpret_cast<V8NPObject*>(npobj); - WebCore::Event* given = V8Proxy::ToNativeEvent(object->v8Object); + WebCore::Event* given = V8Proxy::convertToNativeEvent(object->v8Object); if (given != event) return false; // Check the execution frames are same origin. V8Proxy* current = V8Proxy::retrieve(V8Proxy::retrieveFrame()); WebCore::Frame* frame = V8Proxy::retrieveFrame(context); - if (!current || !current->CanAccessFrame(frame, false)) + if (!current || !current->canAccessFrame(frame, false)) return false; const WebCore::EventNames& event_names(WebCore::eventNames()); diff --git a/webkit/glue/webdevtoolsagent_impl.cc b/webkit/glue/webdevtoolsagent_impl.cc index ac50d37..7f62701 100644 --- a/webkit/glue/webdevtoolsagent_impl.cc +++ b/webkit/glue/webdevtoolsagent_impl.cc @@ -17,11 +17,11 @@ #include "ScriptObject.h" #include "ScriptState.h" #include "ScriptValue.h" -#include "v8_proxy.h" +#include "V8Binding.h" +#include "V8Proxy.h" #include <wtf/OwnPtr.h> #undef LOG -#include "V8Binding.h" #include "base/values.h" #include "webkit/api/public/WebDataSource.h" #include "webkit/api/public/WebURL.h" @@ -317,7 +317,7 @@ v8::Handle<v8::Value> WebDevToolsAgentImpl::JsGetNodeForId( WebDevToolsAgentImpl* agent = static_cast<WebDevToolsAgentImpl*>( v8::External::Cast(*args.Data())->Value()); Node* node = agent->dom_agent_impl_->GetNodeForId(node_id); - return V8Proxy::ToV8Object(V8ClassIndex::NODE, node); + return V8Proxy::convertToV8Object(V8ClassIndex::NODE, node); } // static diff --git a/webkit/glue/webdevtoolsclient_impl.cc b/webkit/glue/webdevtoolsclient_impl.cc index 085a0b8..16d19c5 100644 --- a/webkit/glue/webdevtoolsclient_impl.cc +++ b/webkit/glue/webdevtoolsclient_impl.cc @@ -14,14 +14,14 @@ #include "Page.h" #include "PlatformString.h" #include "SecurityOrigin.h" +#include "V8Binding.h" +#include "V8CustomBinding.h" +#include "V8Proxy.h" +#include "V8Utilities.h" #include <wtf/OwnPtr.h> #include <wtf/Vector.h> #undef LOG -#include "V8Binding.h" -#include "V8CustomBinding.h" -#include "v8_proxy.h" -#include "v8_utility.h" #include "base/string_util.h" #include "base/values.h" #include "webkit/api/public/WebScriptSource.h" @@ -149,7 +149,7 @@ WebDevToolsClientImpl::WebDevToolsClientImpl( new JsToolsAgentBoundObj(this, frame, L"RemoteToolsAgent")); v8::HandleScope scope; - v8::Handle<v8::Context> frame_context = V8Proxy::GetContext(frame->frame()); + v8::Handle<v8::Context> frame_context = V8Proxy::context(frame->frame()); dev_tools_host_.set(new BoundObject(frame_context, this, "DevToolsHost")); dev_tools_host_->AddProtoFunction( "reset", @@ -253,7 +253,7 @@ v8::Handle<v8::Value> WebDevToolsClientImpl::JsAddSourceToFrame( if (source_string.isEmpty() || exception_catcher.HasCaught()) { return v8::Undefined(); } - Node* node = V8Proxy::DOMWrapperToNode<Node>(args[2]); + Node* node = V8Proxy::convertDOMWrapperToNode<Node>(args[2]); if (!node || !node->attached()) { return v8::Undefined(); } @@ -272,7 +272,7 @@ v8::Handle<v8::Value> WebDevToolsClientImpl::JsAddResourceSourceToFrame( if (mime_type.isEmpty()) { return v8::Undefined(); } - Node* node = V8Proxy::DOMWrapperToNode<Node>(args[2]); + Node* node = V8Proxy::convertDOMWrapperToNode<Node>(args[2]); WebDevToolsClientImpl* client = static_cast<WebDevToolsClientImpl*>( v8::External::Cast(*args.Data())->Value()); client->AddResourceSourceToFrame(resource_id, mime_type, node); diff --git a/webkit/port/bindings/scripts/CodeGeneratorV8.pm b/webkit/port/bindings/scripts/CodeGeneratorV8.pm index 69eb445..24f5f4b 100644 --- a/webkit/port/bindings/scripts/CodeGeneratorV8.pm +++ b/webkit/port/bindings/scripts/CodeGeneratorV8.pm @@ -315,7 +315,7 @@ sub GenerateSetDOMException my $result = ""; $result .= $indent . "if (ec) {\n"; - $result .= $indent . " V8Proxy::SetDOMException(ec);\n"; + $result .= $indent . " V8Proxy::setDOMException(ec);\n"; $result .= $indent . " return v8::Handle<v8::Value>();\n"; $result .= $indent . "}\n"; @@ -341,12 +341,12 @@ sub HolderToNative if (IsNodeSubType($dataNode)) { push(@implContentDecls, <<END); - $implClassName* imp = V8Proxy::DOMWrapperToNode<$implClassName>(holder); + $implClassName* imp = V8Proxy::convertDOMWrapperToNode<$implClassName>(holder); END } else { push(@implContentDecls, <<END); - $implClassName* imp = V8Proxy::ToNativeObject<$implClassName>(V8ClassIndex::$classIndex, holder); + $implClassName* imp = V8Proxy::convertToNativeObject<$implClassName>(V8ClassIndex::$classIndex, holder); END } @@ -369,14 +369,14 @@ sub GenerateDomainSafeFunctionGetter my $newTemplateString = GenerateNewFunctionTemplate($function, $dataNode, $signature); - $implIncludes{"v8_proxy.h"} = 1; + $implIncludes{"V8Proxy.h"} = 1; push(@implContentDecls, <<END); static v8::Handle<v8::Value> ${funcName}AttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) { INC_STATS(\"DOM.$implClassName.$funcName._get\"); static v8::Persistent<v8::FunctionTemplate> private_template = v8::Persistent<v8::FunctionTemplate>::New($newTemplateString); - v8::Handle<v8::Object> holder = V8Proxy::LookupDOMWrapper(V8ClassIndex::$classIndex, info.This()); + v8::Handle<v8::Object> holder = V8Proxy::lookupDOMWrapper(V8ClassIndex::$classIndex, info.This()); if (holder.IsEmpty()) { // can only reach here by 'object.__proto__.func', and it should passed // domain security check already @@ -388,7 +388,7 @@ END HolderToNative($dataNode, $implClassName, $classIndex); push(@implContentDecls, <<END); - if (!V8Proxy::CanAccessFrame(imp->frame(), false)) { + if (!V8Proxy::canAccessFrame(imp->frame(), false)) { static v8::Persistent<v8::FunctionTemplate> shared_template = v8::Persistent<v8::FunctionTemplate>::New($newTemplateString); return shared_template->GetFunction(); @@ -416,13 +416,13 @@ END if ($classIndex eq "DOMWINDOW") { push(@implContentDecls, <<END); - DOMWindow* window = V8Proxy::ToNativeObject<DOMWindow>(V8ClassIndex::DOMWINDOW, info.Holder()); + DOMWindow* window = V8Proxy::convertToNativeObject<DOMWindow>(V8ClassIndex::DOMWINDOW, info.Holder()); Frame* frame = window->frame(); if (frame) { // Get the proxy corresponding to the DOMWindow if possible to // make sure that the constructor function is constructed in the // context of the DOMWindow and not in the context of the caller. - return V8Proxy::retrieve(frame)->GetConstructor(type); + return V8Proxy::retrieve(frame)->getConstructor(type); } END } @@ -453,7 +453,7 @@ sub GenerateNormalAttrGetter my $attrExt = $attribute->signature->extendedAttributes; my $attrName = $attribute->signature->name; - $implIncludes{"v8_proxy.h"} = 1; + $implIncludes{"V8Proxy.h"} = 1; my $attrType = $codeGenerator->StripModule($attribute->signature->type); my $attrIsPodType = $codeGenerator->IsPodType($attrType); @@ -494,7 +494,7 @@ END if ($isPodType) { push(@implContentDecls, <<END); - V8SVGPODTypeWrapper<$implClassName>* imp_wrapper = V8Proxy::ToNativeObject<V8SVGPODTypeWrapper<$implClassName> >(V8ClassIndex::$classIndex, info.Holder()); + V8SVGPODTypeWrapper<$implClassName>* imp_wrapper = V8Proxy::convertToNativeObject<V8SVGPODTypeWrapper<$implClassName> >(V8ClassIndex::$classIndex, info.Holder()); $implClassName imp_instance = *imp_wrapper; END if ($getterStringUsesImp) { @@ -506,7 +506,7 @@ END } elsif ($attrExt->{"v8OnProto"} || $attrExt->{"V8DisallowShadowing"}) { # perform lookup first push(@implContentDecls, <<END); - v8::Handle<v8::Object> holder = V8Proxy::LookupDOMWrapper(V8ClassIndex::$classIndex, info.This()); + v8::Handle<v8::Object> holder = V8Proxy::lookupDOMWrapper(V8ClassIndex::$classIndex, info.This()); if (holder.IsEmpty()) return v8::Undefined(); END HolderToNative($dataNode, $implClassName, $classIndex); @@ -519,9 +519,9 @@ END # Generate security checks if necessary if ($attribute->signature->extendedAttributes->{"CheckNodeSecurity"}) { - push(@implContentDecls, " if (!V8Proxy::CheckNodeSecurity(imp->$attrName())) return v8::Undefined();\n\n"); + push(@implContentDecls, " if (!V8Proxy::checkNodeSecurity(imp->$attrName())) return v8::Undefined();\n\n"); } elsif ($attribute->signature->extendedAttributes->{"CheckFrameSecurity"}) { - push(@implContentDecls, " if (!V8Proxy::CheckNodeSecurity(imp->contentDocument())) return v8::Undefined();\n\n"); + push(@implContentDecls, " if (!V8Proxy::checkNodeSecurity(imp->contentDocument())) return v8::Undefined();\n\n"); } my $useExceptions = 1 if @{$attribute->getterExceptions} and !($isPodType); @@ -618,7 +618,7 @@ END if ($attrIsPodType) { my $classIndex = uc($attrType); - push(@implContentDecls, " return V8Proxy::ToV8Object(V8ClassIndex::$classIndex, wrapper);\n"); + push(@implContentDecls, " return V8Proxy::convertToV8Object(V8ClassIndex::$classIndex, wrapper);\n"); } else { push(@implContentDecls, " return " . NativeToJSValue($attribute->signature, $result). ";\n"); } @@ -631,7 +631,7 @@ sub GenerateReplaceableAttrSetter { my $implClassName = shift; - $implIncludes{"v8_proxy.h"} = 1; + $implIncludes{"V8Proxy.h"} = 1; push(@implContentDecls, " static void ${attrName}AttrSetter(v8::Local<v8::String> name," . @@ -655,7 +655,7 @@ sub GenerateNormalAttrSetter my $attrExt = $attribute->signature->extendedAttributes; - $implIncludes{"v8_proxy.h"} = 1; + $implIncludes{"V8Proxy.h"} = 1; push(@implContentDecls, " static void ${attrName}AttrSetter(v8::Local<v8::String> name," . @@ -668,14 +668,14 @@ sub GenerateNormalAttrSetter if ($isPodType) { $implClassName = GetNativeType($implClassName); $implIncludes{"V8SVGPODTypeWrapper.h"} = 1; - push(@implContentDecls, " V8SVGPODTypeWrapper<$implClassName>* wrapper = V8Proxy::ToNativeObject<V8SVGPODTypeWrapper<$implClassName> >(V8ClassIndex::$classIndex, info.Holder());\n"); + push(@implContentDecls, " V8SVGPODTypeWrapper<$implClassName>* wrapper = V8Proxy::convertToNativeObject<V8SVGPODTypeWrapper<$implClassName> >(V8ClassIndex::$classIndex, info.Holder());\n"); push(@implContentDecls, " $implClassName imp_instance = *wrapper;\n"); push(@implContentDecls, " $implClassName* imp = &imp_instance;\n"); } elsif ($attrExt->{"v8OnProto"}) { # perform lookup first push(@implContentDecls, <<END); - v8::Handle<v8::Object> holder = V8Proxy::LookupDOMWrapper(V8ClassIndex::$classIndex, info.This()); + v8::Handle<v8::Object> holder = V8Proxy::lookupDOMWrapper(V8ClassIndex::$classIndex, info.This()); if (holder.IsEmpty()) return v8::Undefined(); END HolderToNative($dataNode, $implClassName, $classIndex); @@ -718,11 +718,11 @@ END } if ($useExceptions) { - push(@implContentDecls, " V8Proxy::SetDOMException(ec);\n"); + push(@implContentDecls, " V8Proxy::setDOMException(ec);\n"); } if ($isPodType) { - push(@implContentDecls, " wrapper->commitChange(*imp, V8Proxy::GetSVGContext(wrapper));\n"); + push(@implContentDecls, " wrapper->commitChange(*imp, V8Proxy::svgContext(wrapper));\n"); } elsif (IsSVGTypeNeedingContextParameter($implClassName)) { $implIncludes{"SVGElement.h"} = 1; @@ -731,7 +731,7 @@ END $currentObject = "wrapper"; } - push(@implContentDecls, " if (SVGElement* context = V8Proxy::GetSVGContext($currentObject)) {\n"); + push(@implContentDecls, " if (SVGElement* context = V8Proxy::svgContext($currentObject)) {\n"); push(@implContentDecls, " context->svgAttributeChanged(imp->associatedAttributeName());\n"); push(@implContentDecls, " }\n"); } @@ -791,7 +791,7 @@ sub GenerateFunctionCallback if ($codeGenerator->IsPodType($implClassName)) { my $nativeClassName = GetNativeType($implClassName); - push(@implContentDecls, " V8SVGPODTypeWrapper<$nativeClassName>* imp_wrapper = V8Proxy::ToNativeObject<V8SVGPODTypeWrapper<$nativeClassName> >(V8ClassIndex::$classIndex, args.Holder());\n"); + push(@implContentDecls, " V8SVGPODTypeWrapper<$nativeClassName>* imp_wrapper = V8Proxy::convertToNativeObject<V8SVGPODTypeWrapper<$nativeClassName> >(V8ClassIndex::$classIndex, args.Holder());\n"); push(@implContentDecls, " $nativeClassName imp_instance = *imp_wrapper;\n"); push(@implContentDecls, " $nativeClassName* imp = &imp_instance;\n"); } else { @@ -807,7 +807,7 @@ END && !$function->signature->extendedAttributes->{"DoNotCheckDomainSecurity"}) { # We have not find real use cases yet. push(@implContentDecls, -" if (!V8Proxy::CanAccessFrame(imp->frame(), true)) {\n". +" if (!V8Proxy::canAccessFrame(imp->frame(), true)) {\n". " return v8::Undefined();\n" . " }\n"); } @@ -849,7 +849,7 @@ END $implIncludes{"ExceptionCode.h"} = 1; push(@implContentDecls, " if (!$parameterName" . (BasicTypeCanFailConversion($parameter) ? "Ok" : "") . ") {\n" . -" V8Proxy::SetDOMException(TYPE_MISMATCH_ERR);\n" . +" V8Proxy::setDOMException(TYPE_MISMATCH_ERR);\n" . " return v8::Handle<v8::Value>();\n" . " }\n"); } @@ -858,7 +858,7 @@ END $implIncludes{"ExceptionCode.h"} = 1; push(@implContentDecls, " if ($parameterName < 0) {\n" . -" V8Proxy::SetDOMException(INDEX_SIZE_ERR);\n" . +" V8Proxy::setDOMException(INDEX_SIZE_ERR);\n" . " return v8::Handle<v8::Value>();\n" . " }\n"); } @@ -1050,7 +1050,7 @@ sub GenerateImplementation push(@implFixedHeader, "#include \"config.h\"\n" . - "#include \"v8_proxy.h\"\n" . + "#include \"V8Proxy.h\"\n" . "#include \"v8_binding.h\"\n\n" . "#undef LOG\n\n"); @@ -1067,7 +1067,7 @@ sub GenerateImplementation $implIncludes{"${className}.h"} = 1; AddIncludesForType($interfaceName); - $implIncludes{"v8_proxy.h"} = 1; + $implIncludes{"V8Proxy.h"} = 1; push(@implContentDecls, "namespace WebCore {\n"); push(@implContentDecls, "namespace ${interfaceName}Internal {\n\n"); @@ -1217,7 +1217,7 @@ END if ($implClassName eq "DOMWindow") { push(@implContent, <<END); static v8::Persistent<v8::ObjectTemplate> ConfigureShadowObjectTemplate(v8::Persistent<v8::ObjectTemplate> templ) { - BatchConfigureAttributes(templ, + batchConfigureAttributes(templ, v8::Handle<v8::ObjectTemplate>(), shadow_attrs, sizeof(shadow_attrs)/sizeof(*shadow_attrs)); @@ -1240,7 +1240,7 @@ END # Set up our attributes if we have them if ($has_attributes) { push(@implContent, <<END); - BatchConfigureAttributes(instance, proto, attrs, sizeof(attrs)/sizeof(*attrs)); + batchConfigureAttributes(instance, proto, attrs, sizeof(attrs)/sizeof(*attrs)); END } @@ -1325,7 +1325,7 @@ END if ($parent eq "EventTarget") { next; } $implIncludes{"V8${parent}.h"} = 1; my $parentClassIndex = uc($codeGenerator->StripModule($parent)); - push(@implContent, " desc->Inherit(V8Proxy::GetTemplate(V8ClassIndex::${parentClassIndex}));\n"); + push(@implContent, " desc->Inherit(V8Proxy::getTemplate(V8ClassIndex::${parentClassIndex}));\n"); last; } @@ -1334,7 +1334,7 @@ END if ($has_constants) { push(@implContent, <<END); - BatchConfigureConstants(desc, proto, consts, sizeof(consts)/sizeof(*consts)); + batchConfigureConstants(desc, proto, consts, sizeof(consts)/sizeof(*consts)); END } @@ -1346,7 +1346,7 @@ v8::Persistent<v8::FunctionTemplate> ${className}::GetRawTemplate() { static v8::Persistent<v8::FunctionTemplate> ${className}_raw_cache_; if (${className}_raw_cache_.IsEmpty()) { v8::HandleScope scope; - v8::Local<v8::FunctionTemplate> result = v8::FunctionTemplate::New(V8Proxy::CheckNewLegal); + v8::Local<v8::FunctionTemplate> result = v8::FunctionTemplate::New(V8Proxy::checkNewLegal); ${className}_raw_cache_ = v8::Persistent<v8::FunctionTemplate>::New(result); } return ${className}_raw_cache_; @@ -1489,7 +1489,7 @@ sub GenerateFunctionCallString() } $result .= $indent . "if (success)\n"; $result .= $indent . " " . - "return V8Proxy::NodeToV8Object($nodeToReturn);\n"; + "return V8Proxy::convertNodeToV8Object($nodeToReturn);\n"; $result .= $indent . "return v8::Null();\n"; return $result; } elsif ($returnType eq "void") { @@ -1554,7 +1554,7 @@ sub GenerateFunctionCallString() if ($returnsPodType) { my $classIndex = uc($returnType); - $result .= $indent . "return V8Proxy::ToV8Object(V8ClassIndex::$classIndex, wrapper);\n"; + $result .= $indent . "return V8Proxy::convertToV8Object(V8ClassIndex::$classIndex, wrapper);\n"; } else { $result .= $indent . "return " . NativeToJSValue($function->signature, $return) . ";\n"; } @@ -1818,7 +1818,7 @@ sub JSValueToNative } if ($type eq "NodeFilter") { - return "V8Proxy::ToNativeNodeFilter($value)"; + return "V8Proxy::wrapNativeNodeFilter($value)"; } if ($type eq "SVGRect") { @@ -1830,12 +1830,12 @@ sub JSValueToNative } # Default, assume autogenerated type conversion routines - $implIncludes{"v8_proxy.h"} = 1; + $implIncludes{"V8Proxy.h"} = 1; if ($type eq "EventTarget") { $implIncludes{"V8Node.h"} = 1; # EventTarget is not in DOM hierarchy, but all Nodes are EventTarget. - return "V8Node::HasInstance($value) ? V8Proxy::DOMWrapperToNode<Node>($value) : 0"; + return "V8Node::HasInstance($value) ? V8Proxy::convertDOMWrapperToNode<Node>($value) : 0"; } AddIncludesForType($type); @@ -1846,7 +1846,7 @@ sub JSValueToNative # Perform type checks on the parameter, if it is expected Node type, # return NULL. - return "V8${type}::HasInstance($value) ? V8Proxy::DOMWrapperToNode<${type}>($value) : 0"; + return "V8${type}::HasInstance($value) ? V8Proxy::convertDOMWrapperToNode<${type}>($value) : 0"; } else { # TODO: Temporary to avoid Window name conflict. @@ -1866,7 +1866,7 @@ sub JSValueToNative # Perform type checks on the parameter, if it is expected Node type, # return NULL. - return "V8${type}::HasInstance($value) ? V8Proxy::ToNativeObject<${implClassName}>(V8ClassIndex::${classIndex}, $value) : 0"; + return "V8${type}::HasInstance($value) ? V8Proxy::convertToNativeObject<${implClassName}>(V8ClassIndex::${classIndex}, $value) : 0"; } } @@ -2020,23 +2020,23 @@ sub NativeToJSValue # special case for non-DOM node interfaces if (IsDOMNodeType($type)) { - return "V8Proxy::NodeToV8Object($value)"; + return "V8Proxy::convertNodeToV8Object($value)"; } if ($type eq "EventTarget" or $type eq "SVGElementInstance") { - return "V8Proxy::EventTargetToV8Object($value)"; + return "V8Proxy::convertEventTargetToV8Object($value)"; } if ($type eq "Event") { - return "V8Proxy::EventToV8Object($value)"; + return "V8Proxy::convertEventToV8Object($value)"; } if ($type eq "EventListener") { - return "V8Proxy::EventListenerToV8Object($value)"; + return "V8Proxy::convertEventListenerToV8Object($value)"; } if ($type eq "RGBColor") { - return "V8Proxy::ToV8Object(V8ClassIndex::RGBCOLOR, new RGBColor($value))"; + return "V8Proxy::convertToV8Object(V8ClassIndex::RGBCOLOR, new RGBColor($value))"; } if ($type eq "WorkerContext" or $type eq "WorkerLocation" or $type eq "WorkerNavigator") { @@ -2055,7 +2055,7 @@ sub NativeToJSValue $value = GenerateSVGStaticPodTypeWrapper($type, $value); } - return "V8Proxy::ToV8Object(V8ClassIndex::$classIndex, $value)"; + return "V8Proxy::convertToV8Object(V8ClassIndex::$classIndex, $value)"; } } @@ -2127,7 +2127,7 @@ sub GenerateSVGContextAssignment my $indent = shift; $result = GenerateSVGContextRetrieval($srcType, $indent); - $result .= $indent . "V8Proxy::SetSVGContext($value, context);\n"; + $result .= $indent . "V8Proxy::setSVGContext($value, context);\n"; return $result; } @@ -2147,7 +2147,7 @@ sub GenerateSVGContextRetrieval my $contextDecl; if (IsSVGTypeNeedingContextParameter($srcType)) { - $contextDecl = "V8Proxy::GetSVGContext($srcObject)"; + $contextDecl = "V8Proxy::svgContext($srcObject)"; } else { $contextDecl = $srcObject; } diff --git a/webkit/port/bindings/v8/NPV8Object.cpp b/webkit/port/bindings/v8/NPV8Object.cpp index 24381c8..5238ceb 100644 --- a/webkit/port/bindings/v8/NPV8Object.cpp +++ b/webkit/port/bindings/v8/NPV8Object.cpp @@ -41,7 +41,7 @@ #include "V8CustomBinding.h" #include "V8Helpers.h" #include "V8NPUtils.h" -#include "v8_proxy.h" +#include "V8Proxy.h" #include "DOMWindow.h" using WebCore::toV8Context; @@ -60,7 +60,7 @@ static void FreeV8NPObject(NPObject* npobj) { V8NPObject *object = reinterpret_cast<V8NPObject*>(npobj); #ifndef NDEBUG - V8Proxy::UnregisterGlobalHandle(object, object->v8Object); + V8Proxy::unregisterGlobalHandle(object, object->v8Object); #endif object->v8Object.Dispose(); free(object); @@ -105,7 +105,7 @@ NPObject* npCreateV8ScriptObject(NPP npp, v8::Handle<v8::Object> object, WebCore object->GetInternalField(V8Custom::kDOMWrapperTypeIndex)->IsNumber() && object->GetInternalField(V8Custom::kDOMWrapperTypeIndex)->Uint32Value() == V8ClassIndex::NPOBJECT) { - NPObject* rv = V8Proxy::ToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, object); + NPObject* rv = V8Proxy::convertToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, object); NPN_RetainObject(rv); return rv; } @@ -113,7 +113,7 @@ NPObject* npCreateV8ScriptObject(NPP npp, v8::Handle<v8::Object> object, WebCore V8NPObject* obj = reinterpret_cast<V8NPObject*>(NPN_CreateObject(npp, &V8NPObjectClass)); obj->v8Object = v8::Persistent<v8::Object>::New(object); #ifndef NDEBUG - V8Proxy::RegisterGlobalHandle(WebCore::NPOBJECT, obj, obj->v8Object); + V8Proxy::registerGlobalHandle(WebCore::NPOBJECT, obj, obj->v8Object); #endif obj->rootObject = root; return reinterpret_cast<NPObject*>(obj); @@ -167,7 +167,7 @@ bool NPN_Invoke(NPP npp, NPObject *npobj, NPIdentifier methodName, v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(funcObj); // Create list of args to pass to v8 v8::Handle<v8::Value>* argv = listFromVariantArgs(args, argCount, npobj); - v8::Local<v8::Value> resultObj = proxy->CallFunction(func, object->v8Object, argCount, argv); + v8::Local<v8::Value> resultObj = proxy->callFunction(func, object->v8Object, argCount, argv); delete[] argv; // If we had an error, return false. The spec is a little unclear here, but @@ -221,7 +221,7 @@ bool NPN_InvokeDefault(NPP npp, NPObject *npobj, const NPVariant *args, // Create list of args to pass to v8 v8::Handle<v8::Value>* argv = listFromVariantArgs(args, argCount, npobj); - resultObj = proxy->CallFunction(func, funcObj, argCount, argv); + resultObj = proxy->callFunction(func, funcObj, argCount, argv); delete[] argv; } @@ -420,7 +420,7 @@ void NPN_SetException(NPObject *npobj, const NPUTF8 *message) return; v8::Context::Scope scope(context); - V8Proxy::ThrowError(V8Proxy::GENERAL_ERROR, message); + V8Proxy::throwError(V8Proxy::GeneralError, message); } bool NPN_Enumerate(NPP npp, NPObject *npobj, NPIdentifier **identifier, uint32_t *count) @@ -507,7 +507,7 @@ bool NPN_Construct(NPP npp, NPObject* npobj, const NPVariant* args, uint32_t arg // Create list of args to pass to v8. v8::Handle<v8::Value>* argv = listFromVariantArgs(args, argCount, npobj); - resultObj = proxy->NewInstance(ctor, argCount, argv); + resultObj = proxy->newInstance(ctor, argCount, argv); delete[] argv; } diff --git a/webkit/port/bindings/v8/V8NPObject.cpp b/webkit/port/bindings/v8/V8NPObject.cpp index 35be7e0..09a56d8 100644 --- a/webkit/port/bindings/v8/V8NPObject.cpp +++ b/webkit/port/bindings/v8/V8NPObject.cpp @@ -63,25 +63,25 @@ static v8::Handle<v8::Value> npObjectInvokeImpl(const v8::Arguments& args, Invok if (V8HTMLAppletElement::HasInstance(args.Holder()) || V8HTMLEmbedElement::HasInstance(args.Holder()) || V8HTMLObjectElement::HasInstance(args.Holder())) { // The holder object is a subtype of HTMLPlugInElement. - HTMLPlugInElement* element = V8Proxy::DOMWrapperToNode<HTMLPlugInElement>(args.Holder()); + HTMLPlugInElement* element = V8Proxy::convertDOMWrapperToNode<HTMLPlugInElement>(args.Holder()); ScriptInstance scriptInstance = element->getInstance(); if (scriptInstance) - npObject = V8Proxy::ToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, scriptInstance->instance()); + npObject = V8Proxy::convertToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, scriptInstance->instance()); else npObject = 0; } else { // The holder object is not a subtype of HTMLPlugInElement, it // must be an NPObject which has three internal fields. if (args.Holder()->InternalFieldCount() != V8Custom::kNPObjectInternalFieldCount) - return throwError("NPMethod called on non-NPObject", V8Proxy::REFERENCE_ERROR); + return throwError("NPMethod called on non-NPObject", V8Proxy::ReferenceError); - npObject = V8Proxy::ToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, args.Holder()); + npObject = V8Proxy::convertToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, args.Holder()); } // Verify that our wrapper wasn't using a NPObject which // has already been deleted. if (!npObject || !_NPN_IsAlive(npObject)) - return throwError("NPObject deleted", V8Proxy::REFERENCE_ERROR); + return throwError("NPObject deleted", V8Proxy::ReferenceError); // Wrap up parameters. int numArgs = args.Length(); @@ -158,12 +158,12 @@ static v8::Handle<v8::Value> npObjectGetProperty(v8::Local<v8::Object> self, NPIdentifier identifier, v8::Local<v8::Value> key) { - NPObject* npObject = V8Proxy::ToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, self); + NPObject* npObject = V8Proxy::convertToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, self); // Verify that our wrapper wasn't using a NPObject which // has already been deleted. if (!npObject || !_NPN_IsAlive(npObject)) - return throwError("NPObject deleted", V8Proxy::REFERENCE_ERROR); + return throwError("NPObject deleted", V8Proxy::ReferenceError); if (npObject->_class->hasProperty && npObject->_class->hasProperty(npObject, identifier) @@ -231,12 +231,12 @@ static v8::Handle<v8::Value> npObjectSetProperty(v8::Local<v8::Object> self, NPIdentifier identifier, v8::Local<v8::Value> value) { - NPObject* npObject = V8Proxy::ToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, self); + NPObject* npObject = V8Proxy::convertToNativeObject<NPObject>(V8ClassIndex::NPOBJECT, self); // Verify that our wrapper wasn't using a NPObject which // has already been deleted. if (!npObject || !_NPN_IsAlive(npObject)) { - throwError("NPObject deleted", V8Proxy::REFERENCE_ERROR); + throwError("NPObject deleted", V8Proxy::ReferenceError); return value; // Intercepted, but an exception was thrown. } @@ -339,7 +339,7 @@ v8::Local<v8::Object> createV8ObjectForNPObject(NPObject* object, NPObject* root } v8::Handle<v8::Function> v8Function = npObjectDesc->GetFunction(); - v8::Local<v8::Object> value = SafeAllocation::NewInstance(v8Function); + v8::Local<v8::Object> value = SafeAllocation::newInstance(v8Function); // If we were unable to allocate the instance, we avoid wrapping // and registering the NP object. @@ -365,7 +365,7 @@ void forgetV8ObjectForNPObject(NPObject* object) if (staticNPObjectMap.contains(object)) { v8::HandleScope scope; v8::Persistent<v8::Object> handle(staticNPObjectMap.get(object)); - WebCore::V8Proxy::SetDOMWrapper(handle, WebCore::V8ClassIndex::NPOBJECT, 0); + WebCore::V8Proxy::setDOMWrapper(handle, WebCore::V8ClassIndex::NPOBJECT, 0); staticNPObjectMap.forget(object); NPN_ReleaseObject(object); } diff --git a/webkit/port/bindings/v8/V8NPUtils.cpp b/webkit/port/bindings/v8/V8NPUtils.cpp index 3a68288..fa0d76f 100644 --- a/webkit/port/bindings/v8/V8NPUtils.cpp +++ b/webkit/port/bindings/v8/V8NPUtils.cpp @@ -39,7 +39,7 @@ #include "npruntime_priv.h" #include "NPV8Object.h" #include "V8NPObject.h" -#include "v8_proxy.h" +#include "V8Proxy.h" void convertV8ObjectToNPVariant(v8::Local<v8::Value> object, NPObject *owner, NPVariant* result) { diff --git a/webkit/port/bindings/v8/V8SVGPODTypeWrapper.h b/webkit/port/bindings/v8/V8SVGPODTypeWrapper.h index 0fb1fb8..4373b8e 100644 --- a/webkit/port/bindings/v8/V8SVGPODTypeWrapper.h +++ b/webkit/port/bindings/v8/V8SVGPODTypeWrapper.h @@ -36,7 +36,7 @@ #include <wtf/Assertions.h> #include <wtf/RefCounted.h> #include <wtf/HashMap.h> -#include "v8_proxy.h" +#include "V8Proxy.h" namespace WebCore { @@ -370,7 +370,7 @@ template <class P> P V8SVGPODTypeUtil::ToSVGPODType(V8ClassIndex::V8WrapperType type, v8::Handle<v8::Value> object, bool& ok) { - void *wrapper = V8Proxy::ToSVGPODTypeImpl(type, object); + void *wrapper = V8Proxy::convertToSVGPODTypeImpl(type, object); if (wrapper == NULL) { ok = false; return P(); diff --git a/webkit/port/bindings/v8/v8_proxy.cpp b/webkit/port/bindings/v8/v8_proxy.cpp deleted file mode 100644 index e1f23ef..0000000 --- a/webkit/port/bindings/v8/v8_proxy.cpp +++ /dev/null @@ -1,3569 +0,0 @@ -// Copyright (c) 2008, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#include "config.h" - -#include <algorithm> -#include <utility> - -#include <v8.h> -#include <v8-debug.h> - -#include "v8_proxy.h" -#include "v8_binding.h" -#include "V8Collection.h" -#include "V8DOMWindow.h" -#include "V8IsolatedWorld.h" - -#include "ChromiumBridge.h" -#include "CSSMutableStyleDeclaration.h" -#include "DOMObjectsInclude.h" -#include "DocumentLoader.h" -#include "FrameLoaderClient.h" -#include "ScriptController.h" -#include "V8CustomBinding.h" -#include "V8DOMMap.h" -#include "V8Index.h" -#include "WorkerContextExecutionProxy.h" - -namespace WebCore { - -// Static utility context. -v8::Persistent<v8::Context> V8Proxy::m_utilityContext; - -// Static list of registered extensions -V8ExtensionList V8Proxy::m_extensions; - -// static -const char* V8Proxy::kContextDebugDataType = "type"; -const char* V8Proxy::kContextDebugDataValue = "value"; - -#ifndef NDEBUG -// Keeps track of global handles created (not JS wrappers -// of DOM objects). Often these global handles are source -// of leaks. -// -// If you want to let a C++ object hold a persistent handle -// to a JS object, you should register the handle here to -// keep track of leaks. -// -// When creating a persistent handle, call: -// -// #ifndef NDEBUG -// V8Proxy::RegisterGlobalHandle(type, host, handle); -// #endif -// -// When releasing the handle, call: -// -// #ifndef NDEBUG -// V8Proxy::UnregisterGlobalHandle(type, host, handle); -// #endif -// -typedef HashMap<v8::Value*, GlobalHandleInfo*> GlobalHandleMap; - -static GlobalHandleMap& global_handle_map() -{ - static GlobalHandleMap static_global_handle_map; - return static_global_handle_map; -} - - -// The USE_VAR(x) template is used to silence C++ compiler warnings -// issued for unused variables (typically parameters or values that -// we want to watch in the debugger). -template <typename T> -static inline void USE_VAR(T) { } - -// The function is the place to set the break point to inspect -// live global handles. Leaks are often come from leaked global handles. -static void EnumerateGlobalHandles() -{ - for (GlobalHandleMap::iterator it = global_handle_map().begin(), - end = global_handle_map().end(); it != end; ++it) { - GlobalHandleInfo* info = it->second; - USE_VAR(info); - v8::Value* handle = it->first; - USE_VAR(handle); - } -} - -void V8Proxy::RegisterGlobalHandle(GlobalHandleType type, void* host, - v8::Persistent<v8::Value> handle) -{ - ASSERT(!global_handle_map().contains(*handle)); - global_handle_map().set(*handle, new GlobalHandleInfo(host, type)); -} - - -void V8Proxy::UnregisterGlobalHandle(void* host, v8::Persistent<v8::Value> handle) -{ - ASSERT(global_handle_map().contains(*handle)); - GlobalHandleInfo* info = global_handle_map().take(*handle); - ASSERT(info->host_ == host); - delete info; -} -#endif // ifndef NDEBUG - -void BatchConfigureAttributes(v8::Handle<v8::ObjectTemplate> inst, - v8::Handle<v8::ObjectTemplate> proto, - const BatchedAttribute* attrs, - size_t num_attrs) -{ - for (size_t i = 0; i < num_attrs; ++i) { - const BatchedAttribute* a = &attrs[i]; - (a->on_proto ? proto : inst)->SetAccessor( - v8::String::New(a->name), - a->getter, - a->setter, - a->data == V8ClassIndex::INVALID_CLASS_INDEX - ? v8::Handle<v8::Value>() - : v8::Integer::New(V8ClassIndex::ToInt(a->data)), - a->settings, - a->attribute); - } -} - -void BatchConfigureConstants(v8::Handle<v8::FunctionTemplate> desc, - v8::Handle<v8::ObjectTemplate> proto, - const BatchedConstant* consts, - size_t num_consts) -{ - for (size_t i = 0; i < num_consts; ++i) { - const BatchedConstant* c = &consts[i]; - desc->Set(v8::String::New(c->name), - v8::Integer::New(c->value), - v8::ReadOnly); - proto->Set(v8::String::New(c->name), - v8::Integer::New(c->value), - v8::ReadOnly); - } -} - -typedef HashMap<Node*, v8::Object*> DOMNodeMap; -typedef HashMap<void*, v8::Object*> DOMObjectMap; - -#ifndef NDEBUG - -static void EnumerateDOMObjectMap(DOMObjectMap& wrapper_map) -{ - for (DOMObjectMap::iterator it = wrapper_map.begin(), end = wrapper_map.end(); - it != end; ++it) { - v8::Persistent<v8::Object> wrapper(it->second); - V8ClassIndex::V8WrapperType type = V8Proxy::GetDOMWrapperType(wrapper); - void* obj = it->first; - USE_VAR(type); - USE_VAR(obj); - } -} - -class DOMObjectVisitor : public DOMWrapperMap<void>::Visitor { - public: - void visitDOMWrapper(void* object, v8::Persistent<v8::Object> wrapper) { - V8ClassIndex::V8WrapperType type = V8Proxy::GetDOMWrapperType(wrapper); - USE_VAR(type); - USE_VAR(object); - } -}; - -class EnsureWeakDOMNodeVisitor : public DOMWrapperMap<Node>::Visitor { - public: - void visitDOMWrapper(Node* object, v8::Persistent<v8::Object> wrapper) { - USE_VAR(object); - ASSERT(wrapper.IsWeak()); - } -}; - -#endif // NDEBUG - -#if ENABLE(SVG) -v8::Handle<v8::Value> V8Proxy::SVGElementInstanceToV8Object( - SVGElementInstance* instance) -{ - if (!instance) - return v8::Null(); - - v8::Handle<v8::Object> existing_instance = getDOMSVGElementInstanceMap().get(instance); - if (!existing_instance.IsEmpty()) - return existing_instance; - - instance->ref(); - - // Instantiate the V8 object and remember it - v8::Handle<v8::Object> result = - InstantiateV8Object(V8ClassIndex::SVGELEMENTINSTANCE, - V8ClassIndex::SVGELEMENTINSTANCE, - instance); - if (!result.IsEmpty()) { - // Only update the DOM SVG element map if the result is non-empty. - getDOMSVGElementInstanceMap().set(instance, - v8::Persistent<v8::Object>::New(result)); - } - return result; -} - -// Map of SVG objects with contexts to their contexts -static HashMap<void*, SVGElement*>& svg_object_to_context_map() -{ - static HashMap<void*, SVGElement*> static_svg_object_to_context_map; - return static_svg_object_to_context_map; -} - -v8::Handle<v8::Value> V8Proxy::SVGObjectWithContextToV8Object( - V8ClassIndex::V8WrapperType type, void* object) -{ - if (!object) - return v8::Null(); - - v8::Persistent<v8::Object> result = - getDOMSVGObjectWithContextMap().get(object); - if (!result.IsEmpty()) return result; - - // Special case: SVGPathSegs need to be downcast to their real type - if (type == V8ClassIndex::SVGPATHSEG) - type = V8Custom::DowncastSVGPathSeg(object); - - v8::Local<v8::Object> v8obj = InstantiateV8Object(type, type, object); - if (!v8obj.IsEmpty()) { - result = v8::Persistent<v8::Object>::New(v8obj); - switch (type) { -#define MAKE_CASE(TYPE, NAME) \ - case V8ClassIndex::TYPE: static_cast<NAME*>(object)->ref(); break; -SVG_OBJECT_TYPES(MAKE_CASE) -#undef MAKE_CASE -#define MAKE_CASE(TYPE, NAME) \ - case V8ClassIndex::TYPE: \ - static_cast<V8SVGPODTypeWrapper<NAME>*>(object)->ref(); break; -SVG_POD_NATIVE_TYPES(MAKE_CASE) -#undef MAKE_CASE - default: - ASSERT(false); - } - getDOMSVGObjectWithContextMap().set(object, result); - } - - return result; -} - -void V8Proxy::SetSVGContext(void* obj, SVGElement* context) -{ - if (obj == NULL) - return; - - SVGElement* old_context = svg_object_to_context_map().get(obj); - - if (old_context == context) - return; - - if (old_context) - old_context->deref(); - - if (context) - context->ref(); - - svg_object_to_context_map().set(obj, context); -} - -SVGElement* V8Proxy::GetSVGContext(void* obj) -{ - return svg_object_to_context_map().get(obj); -} - -#endif - -// A map from a DOM node to its JS wrapper, the wrapper -// is kept as a strong reference to survive GCs. -static DOMObjectMap& gc_protected_map() { - static DOMObjectMap static_gc_protected_map; - return static_gc_protected_map; -} - -// static -void V8Proxy::GCProtect(void* dom_object) -{ - if (!dom_object) - return; - if (gc_protected_map().contains(dom_object)) - return; - if (!getDOMObjectMap().contains(dom_object)) - return; - - // Create a new (strong) persistent handle for the object. - v8::Persistent<v8::Object> wrapper = getDOMObjectMap().get(dom_object); - if (wrapper.IsEmpty()) return; - - gc_protected_map().set(dom_object, *v8::Persistent<v8::Object>::New(wrapper)); -} - - -// static -void V8Proxy::GCUnprotect(void* dom_object) -{ - if (!dom_object) - return; - if (!gc_protected_map().contains(dom_object)) - return; - - // Dispose the strong reference. - v8::Persistent<v8::Object> wrapper(gc_protected_map().take(dom_object)); - wrapper.Dispose(); -} - -class GCPrologueVisitor : public DOMWrapperMap<void>::Visitor { - public: - void visitDOMWrapper(void* object, v8::Persistent<v8::Object> wrapper) { - ASSERT(wrapper.IsWeak()); - V8ClassIndex::V8WrapperType type = V8Proxy::GetDOMWrapperType(wrapper); - switch (type) { -#define MAKE_CASE(TYPE, NAME) \ - case V8ClassIndex::TYPE: { \ - NAME* impl = static_cast<NAME*>(object); \ - if (impl->hasPendingActivity()) \ - wrapper.ClearWeak(); \ - break; \ - } -ACTIVE_DOM_OBJECT_TYPES(MAKE_CASE) - default: - ASSERT(false); -#undef MAKE_CASE - } - - // Additional handling of message port ensuring that entangled ports also - // have their wrappers entangled. This should ideally be handled when the - // ports are actually entangled in MessagePort::entangle, but to avoid - // forking MessagePort.* this is postponed to GC time. Having this postponed - // has the drawback that the wrappers are "entangled/unentangled" for each - // GC even though their entanglement most likely is still the same. - if (type == V8ClassIndex::MESSAGEPORT) { - // Get the port and its entangled port. - MessagePort* port1 = static_cast<MessagePort*>(object); - MessagePort* port2 = port1->locallyEntangledPort(); - - // If we are remotely entangled, then mark this object as reachable - // (we can't determine reachability directly as the remote object is - // out-of-proc). - if (port1->isEntangled() && !port2) - wrapper.ClearWeak(); - - if (port2 != NULL) { - // As ports are always entangled in pairs only perform the entanglement - // once for each pair (see ASSERT in MessagePort::unentangle()). - if (port1 < port2) { - v8::Handle<v8::Value> port1_wrapper = - V8Proxy::ToV8Object(V8ClassIndex::MESSAGEPORT, port1); - v8::Handle<v8::Value> port2_wrapper = - V8Proxy::ToV8Object(V8ClassIndex::MESSAGEPORT, port2); - ASSERT(port1_wrapper->IsObject()); - v8::Handle<v8::Object>::Cast(port1_wrapper)->SetInternalField( - V8Custom::kMessagePortEntangledPortIndex, port2_wrapper); - ASSERT(port2_wrapper->IsObject()); - v8::Handle<v8::Object>::Cast(port2_wrapper)->SetInternalField( - V8Custom::kMessagePortEntangledPortIndex, port1_wrapper); - } - } else { - // Remove the wrapper entanglement when a port is not entangled. - if (V8Proxy::DOMObjectHasJSWrapper(port1)) { - v8::Handle<v8::Value> wrapper = - V8Proxy::ToV8Object(V8ClassIndex::MESSAGEPORT, port1); - ASSERT(wrapper->IsObject()); - v8::Handle<v8::Object>::Cast(wrapper)->SetInternalField( - V8Custom::kMessagePortEntangledPortIndex, v8::Undefined()); - } - } - } - } -}; - -class GrouperItem { - public: - GrouperItem(uintptr_t group_id, Node* node, v8::Persistent<v8::Object> wrapper) - : group_id_(group_id), node_(node), wrapper_(wrapper) { } - - uintptr_t group_id() const { return group_id_; } - Node* node() const { return node_; } - v8::Persistent<v8::Object> wrapper() const { return wrapper_; } - - private: - uintptr_t group_id_; - Node* node_; - v8::Persistent<v8::Object> wrapper_; -}; - -bool operator<(const GrouperItem& a, const GrouperItem& b) { - return a.group_id() < b.group_id(); -} - -typedef Vector<GrouperItem> GrouperList; - -class ObjectGrouperVisitor : public DOMWrapperMap<Node>::Visitor { - public: - ObjectGrouperVisitor() { - // TODO(abarth): grouper_.reserveCapacity(node_map.size()); ? - } - - void visitDOMWrapper(Node* node, v8::Persistent<v8::Object> wrapper) { - // If the node is in document, put it in the ownerDocument's object group. - // - // If an image element was created by JavaScript "new Image", - // it is not in a document. However, if the load event has not - // been fired (still onloading), it is treated as in the document. - // - // Otherwise, the node is put in an object group identified by the root - // elment of the tree to which it belongs. - uintptr_t group_id; - if (node->inDocument() || - (node->hasTagName(HTMLNames::imgTag) && - !static_cast<HTMLImageElement*>(node)->haveFiredLoadEvent())) { - group_id = reinterpret_cast<uintptr_t>(node->document()); - } else { - Node* root = node; - while (root->parent()) - root = root->parent(); - - // If the node is alone in its DOM tree (doesn't have a parent or any - // children) then the group will be filtered out later anyway. - if (root == node && !node->hasChildNodes()) - return; - - group_id = reinterpret_cast<uintptr_t>(root); - } - grouper_.append(GrouperItem(group_id, node, wrapper)); - } - - void ApplyGrouping() { - // Group by sorting by the group id. - std::sort(grouper_.begin(), grouper_.end()); - - // TODO(deanm): Should probably work in iterators here, but indexes were - // easier for my simple mind. - for (size_t i = 0; i < grouper_.size(); ) { - // Seek to the next key (or the end of the list). - size_t next_key_index = grouper_.size(); - for (size_t j = i; j < grouper_.size(); ++j) { - if (grouper_[i].group_id() != grouper_[j].group_id()) { - next_key_index = j; - break; - } - } - - ASSERT(next_key_index > i); - - // We only care about a group if it has more than one object. If it only - // has one object, it has nothing else that needs to be kept alive. - if (next_key_index - i <= 1) { - i = next_key_index; - continue; - } - - Vector<v8::Persistent<v8::Value> > group; - group.reserveCapacity(next_key_index - i); - for (; i < next_key_index; ++i) { - Node* node = grouper_[i].node(); - v8::Persistent<v8::Value> wrapper = grouper_[i].wrapper(); - if (!wrapper.IsEmpty()) - group.append(wrapper); - /* TODO(abarth): Re-enabled this code to avoid GCing these wrappers! - Currently this depends on looking up the wrapper - during a GC, but we don't know which isolated world - we're in, so it's unclear which map to look in... - - // If the node is styled and there is a wrapper for the inline - // style declaration, we need to keep that style declaration - // wrapper alive as well, so we add it to the object group. - if (node->isStyledElement()) { - StyledElement* element = reinterpret_cast<StyledElement*>(node); - CSSStyleDeclaration* style = element->inlineStyleDecl(); - if (style != NULL) { - wrapper = getDOMObjectMap().get(style); - if (!wrapper.IsEmpty()) - group.append(wrapper); - } - } - */ - } - - if (group.size() > 1) - v8::V8::AddObjectGroup(&group[0], group.size()); - - ASSERT(i == next_key_index); - } - } - - private: - GrouperList grouper_; -}; - -// Create object groups for DOM tree nodes. -static void GCPrologue() -{ - v8::HandleScope scope; - -#ifndef NDEBUG - DOMObjectVisitor domObjectVisitor; - visitDOMObjectsInCurrentThread(&domObjectVisitor); -#endif - - // Run through all objects with possible pending activity making their - // wrappers non weak if there is pending activity. - GCPrologueVisitor prologueVisitor; - visitActiveDOMObjectsInCurrentThread(&prologueVisitor); - - // Create object groups. - ObjectGrouperVisitor objectGrouperVisitor; - visitDOMNodesInCurrentThread(&objectGrouperVisitor); - objectGrouperVisitor.ApplyGrouping(); -} - -class GCEpilogueVisitor : public DOMWrapperMap<void>::Visitor { - public: - void visitDOMWrapper(void* object, v8::Persistent<v8::Object> wrapper) - { - V8ClassIndex::V8WrapperType type = V8Proxy::GetDOMWrapperType(wrapper); - switch (type) { -#define MAKE_CASE(TYPE, NAME) \ - case V8ClassIndex::TYPE: { \ - NAME* impl = static_cast<NAME*>(object); \ - if (impl->hasPendingActivity()) { \ - ASSERT(!wrapper.IsWeak()); \ - wrapper.MakeWeak(impl, &weakActiveDOMObjectCallback); \ - } \ - break; \ - } -ACTIVE_DOM_OBJECT_TYPES(MAKE_CASE) - default: - ASSERT(false); -#undef MAKE_CASE - } - } -}; - -static void GCEpilogue() -{ - v8::HandleScope scope; - - // Run through all objects with pending activity making their wrappers weak - // again. - GCEpilogueVisitor epilogueVisitor; - visitActiveDOMObjectsInCurrentThread(&epilogueVisitor); - -#ifndef NDEBUG - // Check all survivals are weak. - DOMObjectVisitor domObjectVisitor; - visitDOMObjectsInCurrentThread(&domObjectVisitor); - - EnsureWeakDOMNodeVisitor weakDOMNodeVisitor; - visitDOMNodesInCurrentThread(&weakDOMNodeVisitor); - - EnumerateDOMObjectMap(gc_protected_map()); - EnumerateGlobalHandles(); -#undef USE_VAR -#endif -} - - -typedef HashMap<int, v8::FunctionTemplate*> FunctionTemplateMap; - -bool AllowAllocation::m_current = false; - - -// JavaScriptConsoleMessages encapsulate everything needed to -// log messages originating from JavaScript to the Chrome console. -class JavaScriptConsoleMessage { - public: - JavaScriptConsoleMessage(const String& str, - const String& sourceID, - unsigned lineNumber) - : m_string(str) - , m_sourceID(sourceID) - , m_lineNumber(lineNumber) { } - - void AddToPage(Page* page) const; - - private: - const String m_string; - const String m_sourceID; - const unsigned m_lineNumber; -}; - -void JavaScriptConsoleMessage::AddToPage(Page* page) const -{ - ASSERT(page); - Console* console = page->mainFrame()->domWindow()->console(); - console->addMessage(JSMessageSource, ErrorMessageLevel, m_string, m_lineNumber, m_sourceID); -} - -// The ConsoleMessageManager handles all console messages that stem -// from JavaScript. It keeps a list of messages that have been delayed but -// it makes sure to add all messages to the console in the right order. -class ConsoleMessageManager { - public: - // Add a message to the console. May end up calling JavaScript code - // indirectly through the inspector so only call this function when - // it is safe to do allocations. - static void AddMessage(Page* page, const JavaScriptConsoleMessage& message); - - // Add a message to the console but delay the reporting until it - // is safe to do so: Either when we leave JavaScript execution or - // when adding other console messages. The primary purpose of this - // method is to avoid calling into V8 to handle console messages - // when the VM is in a state that does not support GCs or allocations. - // Delayed messages are always reported in the page corresponding - // to the active context. - static void AddDelayedMessage(const JavaScriptConsoleMessage& message); - - // Process any delayed messages. May end up calling JavaScript code - // indirectly through the inspector so only call this function when - // it is safe to do allocations. - static void ProcessDelayedMessages(); - - private: - // All delayed messages are stored in this vector. If the vector - // is NULL, there are no delayed messages. - static Vector<JavaScriptConsoleMessage>* m_delayed; -}; - - -Vector<JavaScriptConsoleMessage>* ConsoleMessageManager::m_delayed = NULL; - - -void ConsoleMessageManager::AddMessage( - Page* page, - const JavaScriptConsoleMessage& message) -{ - // Process any delayed messages to make sure that messages - // appear in the right order in the console. - ProcessDelayedMessages(); - message.AddToPage(page); -} - - -void ConsoleMessageManager::AddDelayedMessage(const JavaScriptConsoleMessage& message) -{ - if (!m_delayed) - // Allocate a vector for the delayed messages. Will be - // deallocated when the delayed messages are processed - // in ProcessDelayedMessages(). - m_delayed = new Vector<JavaScriptConsoleMessage>(); - m_delayed->append(message); -} - - -void ConsoleMessageManager::ProcessDelayedMessages() -{ - // If we have a delayed vector it cannot be empty. - if (!m_delayed) - return; - ASSERT(!m_delayed->isEmpty()); - - // Add the delayed messages to the page of the active - // context. If that for some bizarre reason does not - // exist, we clear the list of delayed messages to avoid - // posting messages. We still deallocate the vector. - Frame* frame = V8Proxy::retrieveFrameForEnteredContext(); - Page* page = NULL; - if (frame) - page = frame->page(); - if (!page) - m_delayed->clear(); - - // Iterate through all the delayed messages and add them - // to the console. - const int size = m_delayed->size(); - for (int i = 0; i < size; i++) { - m_delayed->at(i).AddToPage(page); - } - - // Deallocate the delayed vector. - delete m_delayed; - m_delayed = NULL; -} - - -// Convenience class for ensuring that delayed messages in the -// ConsoleMessageManager are processed quickly. -class ConsoleMessageScope { - public: - ConsoleMessageScope() { ConsoleMessageManager::ProcessDelayedMessages(); } - ~ConsoleMessageScope() { ConsoleMessageManager::ProcessDelayedMessages(); } -}; - -void log_info(Frame* frame, const String& msg, const String& url) -{ - Page* page = frame->page(); - if (!page) - return; - JavaScriptConsoleMessage message(msg, url, 0); - ConsoleMessageManager::AddMessage(page, message); -} - -static void HandleConsoleMessage(v8::Handle<v8::Message> message, - v8::Handle<v8::Value> data) -{ - // Use the frame where JavaScript is called from. - Frame* frame = V8Proxy::retrieveFrameForEnteredContext(); - if (!frame) - return; - - Page* page = frame->page(); - if (!page) - return; - - v8::Handle<v8::String> errorMessageString = message->Get(); - ASSERT(!errorMessageString.IsEmpty()); - String errorMessage = ToWebCoreString(errorMessageString); - - v8::Handle<v8::Value> resourceName = message->GetScriptResourceName(); - bool useURL = (resourceName.IsEmpty() || !resourceName->IsString()); - String resourceNameString = (useURL) - ? frame->document()->url() - : ToWebCoreString(resourceName); - JavaScriptConsoleMessage consoleMessage(errorMessage, - resourceNameString, - message->GetLineNumber()); - ConsoleMessageManager::AddMessage(page, consoleMessage); -} - - -enum DelayReporting { - REPORT_LATER, - REPORT_NOW -}; - - -static void ReportUnsafeAccessTo(Frame* target, DelayReporting delay) -{ - ASSERT(target); - Document* targetDocument = target->document(); - if (!targetDocument) - return; - - Frame* source = V8Proxy::retrieveFrameForEnteredContext(); - if (!source || !source->document()) - return; // Ignore error if the source document is gone. - - Document* sourceDocument = source->document(); - - // FIXME: This error message should contain more specifics of why the same - // origin check has failed. - String str = String::format("Unsafe JavaScript attempt to access frame " - "with URL %s from frame with URL %s. " - "Domains, protocols and ports must match.\n", - targetDocument->url().string().utf8().data(), - sourceDocument->url().string().utf8().data()); - - // Build a console message with fake source ID and line number. - const String kSourceID = ""; - const int kLineNumber = 1; - JavaScriptConsoleMessage message(str, kSourceID, kLineNumber); - - if (delay == REPORT_NOW) { - // NOTE(tc): Apple prints the message in the target page, but it seems like - // it should be in the source page. Even for delayed messages, we put it in - // the source page; see ConsoleMessageManager::ProcessDelayedMessages(). - ConsoleMessageManager::AddMessage(source->page(), message); - - } else { - ASSERT(delay == REPORT_LATER); - // We cannot safely report the message eagerly, because this may cause - // allocations and GCs internally in V8 and we cannot handle that at this - // point. Therefore we delay the reporting. - ConsoleMessageManager::AddDelayedMessage(message); - } -} - -static void ReportUnsafeJavaScriptAccess(v8::Local<v8::Object> host, - v8::AccessType type, - v8::Local<v8::Value> data) -{ - Frame* target = V8Custom::GetTargetFrame(host, data); - if (target) - ReportUnsafeAccessTo(target, REPORT_LATER); -} - -static void HandleFatalErrorInV8() -{ - // TODO: We temporarily deal with V8 internal error situations - // such as out-of-memory by crashing the renderer. - CRASH(); -} - -static void ReportFatalErrorInV8(const char* location, const char* message) -{ - // V8 is shutdown, we cannot use V8 api. - // The only thing we can do is to disable JavaScript. - // TODO: clean up V8Proxy and disable JavaScript. - printf("V8 error: %s (%s)\n", message, location); - HandleFatalErrorInV8(); -} - -V8Proxy::~V8Proxy() -{ - clearForClose(); - DestroyGlobal(); -} - -void V8Proxy::DestroyGlobal() -{ - if (!m_global.IsEmpty()) { -#ifndef NDEBUG - UnregisterGlobalHandle(this, m_global); -#endif - m_global.Dispose(); - m_global.Clear(); - } -} - - -bool V8Proxy::DOMObjectHasJSWrapper(void* obj) { - return getDOMObjectMap().contains(obj) || - getActiveDOMObjectMap().contains(obj); -} - - -// The caller must have increased obj's ref count. -void V8Proxy::SetJSWrapperForDOMObject(void* obj, v8::Persistent<v8::Object> wrapper) -{ - ASSERT(MaybeDOMWrapper(wrapper)); -#ifndef NDEBUG - V8ClassIndex::V8WrapperType type = V8Proxy::GetDOMWrapperType(wrapper); - switch (type) { -#define MAKE_CASE(TYPE, NAME) case V8ClassIndex::TYPE: -ACTIVE_DOM_OBJECT_TYPES(MAKE_CASE) - ASSERT(false); -#undef MAKE_CASE - default: break; - } -#endif - getDOMObjectMap().set(obj, wrapper); -} - -// The caller must have increased obj's ref count. -void V8Proxy::SetJSWrapperForActiveDOMObject(void* obj, v8::Persistent<v8::Object> wrapper) -{ - ASSERT(MaybeDOMWrapper(wrapper)); -#ifndef NDEBUG - V8ClassIndex::V8WrapperType type = V8Proxy::GetDOMWrapperType(wrapper); - switch (type) { -#define MAKE_CASE(TYPE, NAME) case V8ClassIndex::TYPE: break; -ACTIVE_DOM_OBJECT_TYPES(MAKE_CASE) - default: ASSERT(false); -#undef MAKE_CASE - } -#endif - getActiveDOMObjectMap().set(obj, wrapper); -} - -// The caller must have increased node's ref count. -void V8Proxy::SetJSWrapperForDOMNode(Node* node, v8::Persistent<v8::Object> wrapper) -{ - ASSERT(MaybeDOMWrapper(wrapper)); - getDOMNodeMap().set(node, wrapper); -} - -// Event listeners - -static V8EventListener* FindEventListenerInList(V8EventListenerList& list, - v8::Local<v8::Value> listener, - bool isInline) -{ - ASSERT(v8::Context::InContext()); - - if (!listener->IsObject()) - return 0; - - return list.find(listener->ToObject(), isInline); -} - -// Find an existing wrapper for a JS event listener in the map. -PassRefPtr<V8EventListener> V8Proxy::FindV8EventListener(v8::Local<v8::Value> listener, - bool isInline) -{ - return FindEventListenerInList(m_event_listeners, listener, isInline); -} - -PassRefPtr<V8EventListener> V8Proxy::FindOrCreateV8EventListener(v8::Local<v8::Value> obj, bool isInline) -{ - ASSERT(v8::Context::InContext()); - - if (!obj->IsObject()) - return 0; - - V8EventListener* wrapper = - FindEventListenerInList(m_event_listeners, obj, isInline); - if (wrapper) - return wrapper; - - // Create a new one, and add to cache. - RefPtr<V8EventListener> new_listener = - V8EventListener::create(m_frame, v8::Local<v8::Object>::Cast(obj), isInline); - m_event_listeners.add(new_listener.get()); - - return new_listener; -} - - -// Object event listeners (such as XmlHttpRequest and MessagePort) are -// different from listeners on DOM nodes. An object event listener wrapper -// only holds a weak reference to the JS function. A strong reference can -// create a cycle. -// -// The lifetime of these objects is bounded by the life time of its JS -// wrapper. So we can create a hidden reference from the JS wrapper to -// to its JS function. -// -// (map) -// XHR <---------- JS_wrapper -// | (hidden) : ^ -// V V : (may reachable by closure) -// V8_listener --------> JS_function -// (weak) <-- may create a cycle if it is strong -// -// The persistent reference is made weak in the constructor -// of V8ObjectEventListener. - -PassRefPtr<V8EventListener> V8Proxy::FindObjectEventListener( - v8::Local<v8::Value> listener, bool isInline) -{ - return FindEventListenerInList(m_xhr_listeners, listener, isInline); -} - - -PassRefPtr<V8EventListener> V8Proxy::FindOrCreateObjectEventListener( - v8::Local<v8::Value> obj, bool isInline) -{ - ASSERT(v8::Context::InContext()); - - if (!obj->IsObject()) - return 0; - - V8EventListener* wrapper = - FindEventListenerInList(m_xhr_listeners, obj, isInline); - if (wrapper) - return wrapper; - - // Create a new one, and add to cache. - RefPtr<V8EventListener> new_listener = - V8ObjectEventListener::create(m_frame, v8::Local<v8::Object>::Cast(obj), isInline); - m_xhr_listeners.add(new_listener.get()); - - return new_listener.release(); -} - - -static void RemoveEventListenerFromList(V8EventListenerList& list, - V8EventListener* listener) -{ - list.remove(listener); -} - - -void V8Proxy::RemoveV8EventListener(V8EventListener* listener) -{ - RemoveEventListenerFromList(m_event_listeners, listener); -} - - -void V8Proxy::RemoveObjectEventListener(V8ObjectEventListener* listener) -{ - RemoveEventListenerFromList(m_xhr_listeners, listener); -} - - -static void DisconnectEventListenersInList(V8EventListenerList& list) -{ - V8EventListenerList::iterator p = list.begin(); - while (p != list.end()) { - (*p)->disconnectFrame(); - ++p; - } - list.clear(); -} - - -void V8Proxy::DisconnectEventListeners() -{ - DisconnectEventListenersInList(m_event_listeners); - DisconnectEventListenersInList(m_xhr_listeners); -} - - -v8::Handle<v8::Script> V8Proxy::CompileScript(v8::Handle<v8::String> code, - const String& fileName, - int baseLine) -{ - const uint16_t* fileNameString = FromWebCoreString(fileName); - v8::Handle<v8::String> name = - v8::String::New(fileNameString, fileName.length()); - v8::Handle<v8::Integer> line = v8::Integer::New(baseLine); - v8::ScriptOrigin origin(name, line); - v8::Handle<v8::Script> script = v8::Script::Compile(code, &origin); - return script; -} - -bool V8Proxy::HandleOutOfMemory() -{ - v8::Local<v8::Context> context = v8::Context::GetCurrent(); - - if (!context->HasOutOfMemoryException()) - return false; - - // Warning, error, disable JS for this frame? - Frame* frame = V8Proxy::retrieveFrame(context); - - V8Proxy* proxy = V8Proxy::retrieve(frame); - if (proxy != NULL) { - // Clean m_context, and event handlers. - proxy->clearForClose(); - // Destroy the global object. - proxy->DestroyGlobal(); - } - - ChromiumBridge::notifyJSOutOfMemory(frame); - - // Disable JS. - Settings* settings = frame->settings(); - ASSERT(settings); - settings->setJavaScriptEnabled(false); - - return true; -} - -void V8Proxy::evaluateInNewWorld(const Vector<ScriptSourceCode>& sources) -{ - InitContextIfNeeded(); - V8IsolatedWorld::evaluate(sources, this); -} - -void V8Proxy::evaluateInNewContext(const Vector<ScriptSourceCode>& sources) -{ - InitContextIfNeeded(); - - v8::HandleScope handleScope; - - // Set up the DOM window as the prototype of the new global object. - v8::Handle<v8::Context> windowContext = m_context; - v8::Handle<v8::Object> windowGlobal = windowContext->Global(); - v8::Handle<v8::Value> windowWrapper = - V8Proxy::LookupDOMWrapper(V8ClassIndex::DOMWINDOW, windowGlobal); - - ASSERT(V8Proxy::DOMWrapperToNative<DOMWindow>(windowWrapper) == - m_frame->domWindow()); - - v8::Persistent<v8::Context> context = - createNewContext(v8::Handle<v8::Object>()); - v8::Context::Scope context_scope(context); - - // Setup context id for JS debugger. - v8::Handle<v8::Object> context_data = v8::Object::New(); - v8::Handle<v8::Value> window_context_data = windowContext->GetData(); - if (window_context_data->IsObject()) { - v8::Handle<v8::String> property_name = - v8::String::New(kContextDebugDataValue); - context_data->Set( - property_name, - v8::Object::Cast(*window_context_data)->Get(property_name)); - } - context_data->Set(v8::String::New(kContextDebugDataType), - v8::String::New("injected")); - context->SetData(context_data); - - v8::Handle<v8::Object> global = context->Global(); - - v8::Handle<v8::String> implicitProtoString = v8::String::New("__proto__"); - global->Set(implicitProtoString, windowWrapper); - - // Give the code running in the new context a way to get access to the - // original context. - global->Set(v8::String::New("contentWindow"), windowGlobal); - - // Run code in the new context. - for (size_t i = 0; i < sources.size(); ++i) - evaluate(sources[i], 0); - - // Using the default security token means that the canAccess is always - // called, which is slow. - // TODO(aa): Use tokens where possible. This will mean keeping track of all - // created contexts so that they can all be updated when the document domain - // changes. - context->UseDefaultSecurityToken(); - context.Dispose(); -} - -v8::Local<v8::Value> V8Proxy::evaluate(const ScriptSourceCode& source, Node* n) -{ - ASSERT(v8::Context::InContext()); - - // Compile the script. - v8::Local<v8::String> code = v8ExternalString(source.source()); - ChromiumBridge::traceEventBegin("v8.compile", n, ""); - - // NOTE: For compatibility with WebCore, ScriptSourceCode's line starts at - // 1, whereas v8 starts at 0. - v8::Handle<v8::Script> script = CompileScript(code, source.url(), - source.startLine() - 1); - ChromiumBridge::traceEventEnd("v8.compile", n, ""); - - ChromiumBridge::traceEventBegin("v8.run", n, ""); - v8::Local<v8::Value> result; - { - // Isolate exceptions that occur when executing the code. These - // exceptions should not interfere with javascript code we might - // evaluate from C++ when returning from here - v8::TryCatch try_catch; - try_catch.SetVerbose(true); - - // Set inlineCode to true for <a href="javascript:doSomething()"> - // and false for <script>doSomething</script>. We make a rough guess at - // this based on whether the script source has a URL. - result = RunScript(script, source.url().string().isNull()); - } - ChromiumBridge::traceEventEnd("v8.run", n, ""); - return result; -} - -v8::Local<v8::Value> V8Proxy::RunScript(v8::Handle<v8::Script> script, - bool inline_code) -{ - if (script.IsEmpty()) - return v8::Local<v8::Value>(); - - // Compute the source string and prevent against infinite recursion. - if (m_recursion >= kMaxRecursionDepth) { - v8::Local<v8::String> code = - v8ExternalString("throw RangeError('Recursion too deep')"); - // TODO(kasperl): Ideally, we should be able to re-use the origin of the - // script passed to us as the argument instead of using an empty string - // and 0 baseLine. - script = CompileScript(code, "", 0); - } - - if (HandleOutOfMemory()) - ASSERT(script.IsEmpty()); - - if (script.IsEmpty()) - return v8::Local<v8::Value>(); - - // Save the previous value of the inlineCode flag and update the flag for - // the duration of the script invocation. - bool previous_inline_code = inlineCode(); - setInlineCode(inline_code); - - // Run the script and keep track of the current recursion depth. - v8::Local<v8::Value> result; - { ConsoleMessageScope scope; - m_recursion++; - - // Evaluating the JavaScript could cause the frame to be deallocated, - // so we start the keep alive timer here. - // Frame::keepAlive method adds the ref count of the frame and sets a - // timer to decrease the ref count. It assumes that the current JavaScript - // execution finishs before firing the timer. - // See issue 1218756 and 914430. - m_frame->keepAlive(); - - result = script->Run(); - m_recursion--; - } - - if (HandleOutOfMemory()) - ASSERT(result.IsEmpty()); - - // Handle V8 internal error situation (Out-of-memory). - if (result.IsEmpty()) - return v8::Local<v8::Value>(); - - // Restore inlineCode flag. - setInlineCode(previous_inline_code); - - if (v8::V8::IsDead()) - HandleFatalErrorInV8(); - - return result; -} - - -v8::Local<v8::Value> V8Proxy::CallFunction(v8::Handle<v8::Function> function, - v8::Handle<v8::Object> receiver, - int argc, - v8::Handle<v8::Value> args[]) -{ - // For now, we don't put any artificial limitations on the depth - // of recursion that stems from calling functions. This is in - // contrast to the script evaluations. - v8::Local<v8::Value> result; - { - ConsoleMessageScope scope; - - // Evaluating the JavaScript could cause the frame to be deallocated, - // so we start the keep alive timer here. - // Frame::keepAlive method adds the ref count of the frame and sets a - // timer to decrease the ref count. It assumes that the current JavaScript - // execution finishs before firing the timer. - // See issue 1218756 and 914430. - m_frame->keepAlive(); - - result = function->Call(receiver, argc, args); - } - - if (v8::V8::IsDead()) - HandleFatalErrorInV8(); - - return result; -} - - -v8::Local<v8::Value> V8Proxy::NewInstance(v8::Handle<v8::Function> constructor, - int argc, - v8::Handle<v8::Value> args[]) -{ - // No artificial limitations on the depth of recursion, see comment in - // V8Proxy::CallFunction. - v8::Local<v8::Value> result; - { - ConsoleMessageScope scope; - - // See comment in V8Proxy::CallFunction. - m_frame->keepAlive(); - - result = constructor->NewInstance(argc, args); - } - - if (v8::V8::IsDead()) - HandleFatalErrorInV8(); - - return result; -} - - -v8::Local<v8::Function> V8Proxy::GetConstructor(V8ClassIndex::V8WrapperType t){ - // A DOM constructor is a function instance created from a DOM constructor - // template. There is one instance per context. A DOM constructor is - // different from a normal function in two ways: - // 1) it cannot be called as constructor (aka, used to create a DOM object) - // 2) its __proto__ points to Object.prototype rather than - // Function.prototype. - // The reason for 2) is that, in Safari, a DOM constructor is a normal JS - // object, but not a function. Hotmail relies on the fact that, in Safari, - // HTMLElement.__proto__ == Object.prototype. - // - // m_object_prototype is a cache of the original Object.prototype. - - ASSERT(ContextInitialized()); - // Enter the context of the proxy to make sure that the - // function is constructed in the context corresponding to - // this proxy. - v8::Context::Scope scope(m_context); - v8::Handle<v8::FunctionTemplate> templ = GetTemplate(t); - // Getting the function might fail if we're running out of - // stack or memory. - v8::TryCatch try_catch; - v8::Local<v8::Function> value = templ->GetFunction(); - if (value.IsEmpty()) - return v8::Local<v8::Function>(); - // Hotmail fix, see comments above. - value->Set(v8::String::New("__proto__"), m_object_prototype); - return value; -} - - -v8::Local<v8::Object> V8Proxy::CreateWrapperFromCache(V8ClassIndex::V8WrapperType type) { - int class_index = V8ClassIndex::ToInt(type); - v8::Local<v8::Value> cached_object = - m_wrapper_boilerplates->Get(v8::Integer::New(class_index)); - if (cached_object->IsObject()) { - v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(cached_object); - return object->Clone(); - } - - // Not in cache. - InitContextIfNeeded(); - v8::Context::Scope scope(m_context); - v8::Local<v8::Function> function = GetConstructor(type); - v8::Local<v8::Object> instance = SafeAllocation::NewInstance(function); - if (!instance.IsEmpty()) { - m_wrapper_boilerplates->Set(v8::Integer::New(class_index), instance); - return instance->Clone(); - } - return v8::Local<v8::Object>(); -} - - -// Get the string 'toString'. -static v8::Persistent<v8::String> GetToStringName() { - static v8::Persistent<v8::String> value; - if (value.IsEmpty()) - value = v8::Persistent<v8::String>::New(v8::String::New("toString")); - return value; -} - - -static v8::Handle<v8::Value> ConstructorToString(const v8::Arguments& args) { - // The DOM constructors' toString functions grab the current toString - // for Functions by taking the toString function of itself and then - // calling it with the constructor as its receiver. This means that - // changes to the Function prototype chain or toString function are - // reflected when printing DOM constructors. The only wart is that - // changes to a DOM constructor's toString's toString will cause the - // toString of the DOM constructor itself to change. This is extremely - // obscure and unlikely to be a problem. - v8::Handle<v8::Value> val = args.Callee()->Get(GetToStringName()); - if (!val->IsFunction()) return v8::String::New(""); - return v8::Handle<v8::Function>::Cast(val)->Call(args.This(), 0, NULL); -} - - -v8::Persistent<v8::FunctionTemplate> V8Proxy::GetTemplate( - V8ClassIndex::V8WrapperType type) -{ - v8::Persistent<v8::FunctionTemplate>* cache_cell = - V8ClassIndex::GetCache(type); - if (!(*cache_cell).IsEmpty()) - return *cache_cell; - - // not found - FunctionTemplateFactory factory = V8ClassIndex::GetFactory(type); - v8::Persistent<v8::FunctionTemplate> desc = factory(); - // DOM constructors are functions and should print themselves as such. - // However, we will later replace their prototypes with Object - // prototypes so we need to explicitly override toString on the - // instance itself. If we later make DOM constructors full objects - // we can give them class names instead and Object.prototype.toString - // will work so we can remove this code. - static v8::Persistent<v8::FunctionTemplate> to_string_template; - if (to_string_template.IsEmpty()) { - to_string_template = v8::Persistent<v8::FunctionTemplate>::New( - v8::FunctionTemplate::New(ConstructorToString)); - } - desc->Set(GetToStringName(), to_string_template); - switch (type) { - case V8ClassIndex::CSSSTYLEDECLARATION: - // The named property handler for style declarations has a - // setter. Therefore, the interceptor has to be on the object - // itself and not on the prototype object. - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(CSSStyleDeclaration), - USE_NAMED_PROPERTY_SETTER(CSSStyleDeclaration)); - setCollectionStringOrNullIndexedGetter<CSSStyleDeclaration>(desc); - break; - case V8ClassIndex::CSSRULELIST: - setCollectionIndexedGetter<CSSRuleList, CSSRule>(desc, - V8ClassIndex::CSSRULE); - break; - case V8ClassIndex::CSSVALUELIST: - setCollectionIndexedGetter<CSSValueList, CSSValue>( - desc, - V8ClassIndex::CSSVALUE); - break; - case V8ClassIndex::CSSVARIABLESDECLARATION: - setCollectionStringOrNullIndexedGetter<CSSVariablesDeclaration>(desc); - break; - case V8ClassIndex::WEBKITCSSTRANSFORMVALUE: - setCollectionIndexedGetter<WebKitCSSTransformValue, CSSValue>( - desc, - V8ClassIndex::CSSVALUE); - break; - case V8ClassIndex::UNDETECTABLEHTMLCOLLECTION: - desc->InstanceTemplate()->MarkAsUndetectable(); // fall through - case V8ClassIndex::HTMLCOLLECTION: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(HTMLCollection)); - desc->InstanceTemplate()->SetCallAsFunctionHandler( - USE_CALLBACK(HTMLCollectionCallAsFunction)); - setCollectionIndexedGetter<HTMLCollection, Node>(desc, - V8ClassIndex::NODE); - break; - case V8ClassIndex::HTMLOPTIONSCOLLECTION: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(HTMLCollection)); - desc->InstanceTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(HTMLOptionsCollection), - USE_INDEXED_PROPERTY_SETTER(HTMLOptionsCollection)); - desc->InstanceTemplate()->SetCallAsFunctionHandler( - USE_CALLBACK(HTMLCollectionCallAsFunction)); - break; - case V8ClassIndex::HTMLSELECTELEMENT: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(HTMLSelectElementCollection)); - desc->InstanceTemplate()->SetIndexedPropertyHandler( - nodeCollectionIndexedPropertyGetter<HTMLSelectElement>, - USE_INDEXED_PROPERTY_SETTER(HTMLSelectElementCollection), - 0, - 0, - nodeCollectionIndexedPropertyEnumerator<HTMLSelectElement>, - v8::Integer::New(V8ClassIndex::NODE)); - break; - case V8ClassIndex::HTMLDOCUMENT: { - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(HTMLDocument), - 0, - 0, - USE_NAMED_PROPERTY_DELETER(HTMLDocument)); - - // We add an extra internal field to all Document wrappers for - // storing a per document DOMImplementation wrapper. - // - // Additionally, we add two extra internal fields for - // HTMLDocuments to implement temporary shadowing of - // document.all. One field holds an object that is used as a - // marker. The other field holds the marker object if - // document.all is not shadowed and some other value if - // document.all is shadowed. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - ASSERT(instance_template->InternalFieldCount() == - V8Custom::kDefaultWrapperInternalFieldCount); - instance_template->SetInternalFieldCount( - V8Custom::kHTMLDocumentInternalFieldCount); - break; - } -#if ENABLE(SVG) - case V8ClassIndex::SVGDOCUMENT: // fall through -#endif - case V8ClassIndex::DOCUMENT: { - // We add an extra internal field to all Document wrappers for - // storing a per document DOMImplementation wrapper. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - ASSERT(instance_template->InternalFieldCount() == - V8Custom::kDefaultWrapperInternalFieldCount); - instance_template->SetInternalFieldCount( - V8Custom::kDocumentMinimumInternalFieldCount); - break; - } - case V8ClassIndex::HTMLAPPLETELEMENT: // fall through - case V8ClassIndex::HTMLEMBEDELEMENT: // fall through - case V8ClassIndex::HTMLOBJECTELEMENT: - // HTMLAppletElement, HTMLEmbedElement and HTMLObjectElement are - // inherited from HTMLPlugInElement, and they share the same property - // handling code. - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(HTMLPlugInElement), - USE_NAMED_PROPERTY_SETTER(HTMLPlugInElement)); - desc->InstanceTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(HTMLPlugInElement), - USE_INDEXED_PROPERTY_SETTER(HTMLPlugInElement)); - desc->InstanceTemplate()->SetCallAsFunctionHandler( - USE_CALLBACK(HTMLPlugInElement)); - break; - case V8ClassIndex::HTMLFRAMESETELEMENT: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(HTMLFrameSetElement)); - break; - case V8ClassIndex::HTMLFORMELEMENT: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(HTMLFormElement)); - desc->InstanceTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(HTMLFormElement), - 0, - 0, - 0, - nodeCollectionIndexedPropertyEnumerator<HTMLFormElement>, - v8::Integer::New(V8ClassIndex::NODE)); - break; - case V8ClassIndex::CANVASPIXELARRAY: - desc->InstanceTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(CanvasPixelArray), - USE_INDEXED_PROPERTY_SETTER(CanvasPixelArray)); - break; - case V8ClassIndex::STYLESHEET: // fall through - case V8ClassIndex::CSSSTYLESHEET: { - // We add an extra internal field to hold a reference to - // the owner node. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - ASSERT(instance_template->InternalFieldCount() == - V8Custom::kDefaultWrapperInternalFieldCount); - instance_template->SetInternalFieldCount( - V8Custom::kStyleSheetInternalFieldCount); - break; - } - case V8ClassIndex::MEDIALIST: - setCollectionStringOrNullIndexedGetter<MediaList>(desc); - break; - case V8ClassIndex::MIMETYPEARRAY: - setCollectionIndexedAndNamedGetters<MimeTypeArray, MimeType>( - desc, - V8ClassIndex::MIMETYPE); - break; - case V8ClassIndex::NAMEDNODEMAP: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(NamedNodeMap)); - desc->InstanceTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(NamedNodeMap), - 0, - 0, - 0, - collectionIndexedPropertyEnumerator<NamedNodeMap>, - v8::Integer::New(V8ClassIndex::NODE)); - break; -#if ENABLE(DOM_STORAGE) - case V8ClassIndex::STORAGE: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(Storage), - USE_NAMED_PROPERTY_SETTER(Storage), - 0, - USE_NAMED_PROPERTY_DELETER(Storage), - V8Custom::v8StorageNamedPropertyEnumerator); - desc->InstanceTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(Storage), - USE_INDEXED_PROPERTY_SETTER(Storage), - 0, - USE_INDEXED_PROPERTY_DELETER(Storage)); - break; -#endif - case V8ClassIndex::NODELIST: - setCollectionIndexedGetter<NodeList, Node>(desc, V8ClassIndex::NODE); - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(NodeList)); - break; - case V8ClassIndex::PLUGIN: - setCollectionIndexedAndNamedGetters<Plugin, MimeType>( - desc, - V8ClassIndex::MIMETYPE); - break; - case V8ClassIndex::PLUGINARRAY: - setCollectionIndexedAndNamedGetters<PluginArray, Plugin>( - desc, - V8ClassIndex::PLUGIN); - break; - case V8ClassIndex::STYLESHEETLIST: - desc->InstanceTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(StyleSheetList)); - setCollectionIndexedGetter<StyleSheetList, StyleSheet>( - desc, - V8ClassIndex::STYLESHEET); - break; - case V8ClassIndex::DOMWINDOW: { - v8::Local<v8::Signature> default_signature = v8::Signature::New(desc); - - desc->PrototypeTemplate()->SetNamedPropertyHandler( - USE_NAMED_PROPERTY_GETTER(DOMWindow)); - desc->PrototypeTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(DOMWindow)); - - desc->SetHiddenPrototype(true); - - // Reserve spaces for references to location, history and - // navigator objects. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - instance_template->SetInternalFieldCount( - V8Custom::kDOMWindowInternalFieldCount); - - // Set access check callbacks, but turned off initially. - // When a context is detached from a frame, turn on the access check. - // Turning on checks also invalidates inline caches of the object. - instance_template->SetAccessCheckCallbacks( - V8Custom::v8DOMWindowNamedSecurityCheck, - V8Custom::v8DOMWindowIndexedSecurityCheck, - v8::Integer::New(V8ClassIndex::DOMWINDOW), - false); - break; - } - case V8ClassIndex::LOCATION: { - // For security reasons, these functions are on the instance - // instead of on the prototype object to insure that they cannot - // be overwritten. - v8::Local<v8::ObjectTemplate> instance = desc->InstanceTemplate(); - instance->SetAccessor( - v8::String::New("reload"), - V8Custom::v8LocationReloadAccessorGetter, - 0, - v8::Handle<v8::Value>(), - v8::ALL_CAN_READ, - static_cast<v8::PropertyAttribute>(v8::DontDelete|v8::ReadOnly)); - - instance->SetAccessor( - v8::String::New("replace"), - V8Custom::v8LocationReplaceAccessorGetter, - 0, - v8::Handle<v8::Value>(), - v8::ALL_CAN_READ, - static_cast<v8::PropertyAttribute>(v8::DontDelete|v8::ReadOnly)); - - instance->SetAccessor( - v8::String::New("assign"), - V8Custom::v8LocationAssignAccessorGetter, - 0, - v8::Handle<v8::Value>(), - v8::ALL_CAN_READ, - static_cast<v8::PropertyAttribute>(v8::DontDelete|v8::ReadOnly)); - break; - } - case V8ClassIndex::HISTORY: { - break; - } - - case V8ClassIndex::MESSAGECHANNEL: { - // Reserve two more internal fields for referencing the port1 - // and port2 wrappers. This ensures that the port wrappers are - // kept alive when the channel wrapper is. - desc->SetCallHandler(USE_CALLBACK(MessageChannelConstructor)); - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - instance_template->SetInternalFieldCount( - V8Custom::kMessageChannelInternalFieldCount); - break; - } - - case V8ClassIndex::MESSAGEPORT: { - // Reserve one more internal field for keeping event listeners. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - instance_template->SetInternalFieldCount( - V8Custom::kMessagePortInternalFieldCount); - break; - } - -#if ENABLE(WORKERS) - case V8ClassIndex::WORKER: { - // Reserve one more internal field for keeping event listeners. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - instance_template->SetInternalFieldCount( - V8Custom::kWorkerInternalFieldCount); - desc->SetCallHandler(USE_CALLBACK(WorkerConstructor)); - break; - } - - case V8ClassIndex::WORKERCONTEXT: { - // Reserve one more internal field for keeping event listeners. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - instance_template->SetInternalFieldCount( - V8Custom::kWorkerContextInternalFieldCount); - break; - } -#endif // WORKERS - - - // The following objects are created from JavaScript. - case V8ClassIndex::DOMPARSER: - desc->SetCallHandler(USE_CALLBACK(DOMParserConstructor)); - break; -#if ENABLE(VIDEO) - case V8ClassIndex::HTMLAUDIOELEMENT: - desc->SetCallHandler(USE_CALLBACK(HTMLAudioElementConstructor)); - break; -#endif - case V8ClassIndex::HTMLIMAGEELEMENT: - desc->SetCallHandler(USE_CALLBACK(HTMLImageElementConstructor)); - break; - case V8ClassIndex::HTMLOPTIONELEMENT: - desc->SetCallHandler(USE_CALLBACK(HTMLOptionElementConstructor)); - break; - case V8ClassIndex::WEBKITCSSMATRIX: - desc->SetCallHandler(USE_CALLBACK(WebKitCSSMatrixConstructor)); - break; - case V8ClassIndex::WEBKITPOINT: - desc->SetCallHandler(USE_CALLBACK(WebKitPointConstructor)); - break; - case V8ClassIndex::XMLSERIALIZER: - desc->SetCallHandler(USE_CALLBACK(XMLSerializerConstructor)); - break; - case V8ClassIndex::XMLHTTPREQUEST: { - // Reserve one more internal field for keeping event listeners. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - instance_template->SetInternalFieldCount( - V8Custom::kXMLHttpRequestInternalFieldCount); - desc->SetCallHandler(USE_CALLBACK(XMLHttpRequestConstructor)); - break; - } - case V8ClassIndex::XMLHTTPREQUESTUPLOAD: { - // Reserve one more internal field for keeping event listeners. - v8::Local<v8::ObjectTemplate> instance_template = - desc->InstanceTemplate(); - instance_template->SetInternalFieldCount( - V8Custom::kXMLHttpRequestInternalFieldCount); - break; - } - case V8ClassIndex::XPATHEVALUATOR: - desc->SetCallHandler(USE_CALLBACK(XPathEvaluatorConstructor)); - break; - case V8ClassIndex::XSLTPROCESSOR: - desc->SetCallHandler(USE_CALLBACK(XSLTProcessorConstructor)); - break; - case V8ClassIndex::CLIENTRECTLIST: - desc->InstanceTemplate()->SetIndexedPropertyHandler( - USE_INDEXED_PROPERTY_GETTER(ClientRectList)); - break; - default: - break; - } - - *cache_cell = desc; - return desc; -} - - -bool V8Proxy::ContextInitialized() -{ - // m_context, m_global, m_object_prototype and m_wrapper_boilerplates should - // all be non-empty if if m_context is non-empty. - ASSERT(m_context.IsEmpty() || !m_global.IsEmpty()); - ASSERT(m_context.IsEmpty() || !m_object_prototype.IsEmpty()); - ASSERT(m_context.IsEmpty() || !m_wrapper_boilerplates.IsEmpty()); - return !m_context.IsEmpty(); -} - - -DOMWindow* V8Proxy::retrieveWindow() -{ - // TODO: This seems very fragile. How do we know that the global object - // from the current context is something sensible? Do we need to use the - // last entered here? Who calls this? - return retrieveWindow(v8::Context::GetCurrent()); -} - - -DOMWindow* V8Proxy::retrieveWindow(v8::Handle<v8::Context> context) -{ - v8::Handle<v8::Object> global = context->Global(); - ASSERT(!global.IsEmpty()); - global = LookupDOMWrapper(V8ClassIndex::DOMWINDOW, global); - ASSERT(!global.IsEmpty()); - return ToNativeObject<DOMWindow>(V8ClassIndex::DOMWINDOW, global); -} - - -Frame* V8Proxy::retrieveFrame(v8::Handle<v8::Context> context) -{ - return retrieveWindow(context)->frame(); -} - - -Frame* V8Proxy::retrieveFrameForEnteredContext() -{ - v8::Handle<v8::Context> context = v8::Context::GetEntered(); - if (context.IsEmpty()) - return 0; - return retrieveFrame(context); -} - - -Frame* V8Proxy::retrieveFrameForCurrentContext() -{ - v8::Handle<v8::Context> context = v8::Context::GetCurrent(); - if (context.IsEmpty()) - return 0; - return retrieveFrame(context); -} - - -Frame* V8Proxy::retrieveFrameForCallingContext() -{ - v8::Handle<v8::Context> context = v8::Context::GetCalling(); - if (context.IsEmpty()) - return 0; - return retrieveFrame(context); -} - - -Frame* V8Proxy::retrieveFrame() -{ - DOMWindow* window = retrieveWindow(); - return window ? window->frame() : 0; -} - - -V8Proxy* V8Proxy::retrieve() -{ - DOMWindow* window = retrieveWindow(); - ASSERT(window); - return retrieve(window->frame()); -} - -V8Proxy* V8Proxy::retrieve(Frame* frame) -{ - if (!frame) - return 0; - return frame->script()->isEnabled() ? frame->script()->proxy() : 0; -} - - -V8Proxy* V8Proxy::retrieve(ScriptExecutionContext* context) -{ - if (!context->isDocument()) - return 0; - return retrieve(static_cast<Document*>(context)->frame()); -} - - -void V8Proxy::disconnectFrame() -{ - // disconnect all event listeners - DisconnectEventListeners(); -} - - -bool V8Proxy::isEnabled() -{ - Settings* settings = m_frame->settings(); - if (!settings) - return false; - - // In the common case, JavaScript is enabled and we're done. - if (settings->isJavaScriptEnabled()) - return true; - - // If JavaScript has been disabled, we need to look at the frame to tell - // whether this script came from the web or the embedder. Scripts from the - // embedder are safe to run, but scripts from the other sources are - // disallowed. - Document* document = m_frame->document(); - if (!document) - return false; - - SecurityOrigin* origin = document->securityOrigin(); - if (origin->protocol().isEmpty()) - return false; // Uninitialized document - - if (origin->protocol() == "http" || origin->protocol() == "https") - return false; // Web site - - // TODO(darin): the following are application decisions, and they should - // not be made at this layer. instead, we should bridge out to the - // embedder to allow them to override policy here. - - if (origin->protocol() == ChromiumBridge::uiResourceProtocol()) - return true; // Embedder's scripts are ok to run - - // If the scheme is ftp: or file:, an empty file name indicates a directory - // listing, which requires JavaScript to function properly. - const char* kDirProtocols[] = { "ftp", "file" }; - for (size_t i = 0; i < arraysize(kDirProtocols); ++i) { - if (origin->protocol() == kDirProtocols[i]) { - const KURL& url = document->url(); - return url.pathAfterLastSlash() == url.pathEnd(); - } - } - - return false; // Other protocols fall through to here -} - - -void V8Proxy::UpdateDocumentWrapper(v8::Handle<v8::Value> wrapper) { - ClearDocumentWrapper(); - - ASSERT(m_document.IsEmpty()); - m_document = v8::Persistent<v8::Value>::New(wrapper); -#ifndef NDEBUG - RegisterGlobalHandle(PROXY, this, m_document); -#endif -} - - -void V8Proxy::ClearDocumentWrapper() -{ - if (!m_document.IsEmpty()) { -#ifndef NDEBUG - UnregisterGlobalHandle(this, m_document); -#endif - m_document.Dispose(); - m_document.Clear(); - } -} - - -void V8Proxy::UpdateDocumentWrapperCache() -{ - v8::HandleScope handle_scope; - v8::Context::Scope context_scope(GetContext()); - - // If the document has no frame, NodeToV8Object might get the - // document wrapper for a document that is about to be deleted. - // If the ForceSet below causes a garbage collection, the document - // might get deleted and the global handle for the document - // wrapper cleared. Using the cleared global handle will lead to - // crashes. In this case we clear the cache and let the DOMWindow - // accessor handle access to the document. - if (!m_frame->document()->frame()) { - ClearDocumentWrapperCache(); - return; - } - - v8::Handle<v8::Value> document_wrapper = NodeToV8Object(m_frame->document()); - - // If instantiation of the document wrapper fails, clear the cache - // and let the DOMWindow accessor handle access to the document. - if (document_wrapper.IsEmpty()) { - ClearDocumentWrapperCache(); - return; - } - - m_context->Global()->ForceSet(v8::String::New("document"), - document_wrapper, - static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete)); -} - - -void V8Proxy::ClearDocumentWrapperCache() -{ - ASSERT(!m_context.IsEmpty()); - m_context->Global()->ForceDelete(v8::String::New("document")); -} - - -void V8Proxy::DisposeContextHandles() { - if (!m_context.IsEmpty()) { - m_frame->loader()->client()->didDestroyScriptContext(); - m_context.Dispose(); - m_context.Clear(); - } - - if (!m_wrapper_boilerplates.IsEmpty()) { -#ifndef NDEBUG - UnregisterGlobalHandle(this, m_wrapper_boilerplates); -#endif - m_wrapper_boilerplates.Dispose(); - m_wrapper_boilerplates.Clear(); - } - - if (!m_object_prototype.IsEmpty()) { -#ifndef NDEBUG - UnregisterGlobalHandle(this, m_object_prototype); -#endif - m_object_prototype.Dispose(); - m_object_prototype.Clear(); - } -} - -void V8Proxy::clearForClose() -{ - if (!m_context.IsEmpty()) { - v8::HandleScope handle_scope; - - ClearDocumentWrapper(); - DisposeContextHandles(); - } -} - - -void V8Proxy::clearForNavigation() -{ - // disconnect all event listeners - DisconnectEventListeners(); - - if (!m_context.IsEmpty()) { - v8::HandleScope handle; - ClearDocumentWrapper(); - - v8::Context::Scope context_scope(m_context); - - // Clear the document wrapper cache before turning on access checks on - // the old DOMWindow wrapper. This way, access to the document wrapper - // will be protected by the security checks on the DOMWindow wrapper. - ClearDocumentWrapperCache(); - - // Turn on access check on the old DOMWindow wrapper. - v8::Handle<v8::Object> wrapper = - LookupDOMWrapper(V8ClassIndex::DOMWINDOW, m_global); - ASSERT(!wrapper.IsEmpty()); - wrapper->TurnOnAccessCheck(); - - // Separate the context from its global object. - m_context->DetachGlobal(); - - DisposeContextHandles(); - - // Reinitialize the context so the global object points to - // the new DOM window. - InitContextIfNeeded(); - } -} - - -void V8Proxy::SetSecurityToken() { - Document* document = m_frame->document(); - // Setup security origin and security token - if (!document) { - m_context->UseDefaultSecurityToken(); - return; - } - - // Ask the document's SecurityOrigin to generate a security token. - // If two tokens are equal, then the SecurityOrigins canAccess each other. - // If two tokens are not equal, then we have to call canAccess. - // Note: we can't use the HTTPOrigin if it was set from the DOM. - SecurityOrigin* origin = document->securityOrigin(); - String token; - if (!origin->domainWasSetInDOM()) - token = document->securityOrigin()->toString(); - - // An empty or "null" token means we always have to call - // canAccess. The toString method on securityOrigins returns the - // string "null" for empty security origins and for security - // origins that should only allow access to themselves. In this - // case, we use the global object as the security token to avoid - // calling canAccess when a script accesses its own objects. - if (token.isEmpty() || token == "null") { - m_context->UseDefaultSecurityToken(); - return; - } - - CString utf8_token = token.utf8(); - // NOTE: V8 does identity comparison in fast path, must use a symbol - // as the security token. - m_context->SetSecurityToken( - v8::String::NewSymbol(utf8_token.data(), utf8_token.length())); -} - - -void V8Proxy::updateDocument() -{ - if (!m_frame->document()) - return; - - if (m_global.IsEmpty()) { - ASSERT(m_context.IsEmpty()); - return; - } - - // We have a new document and we need to update the cache. - UpdateDocumentWrapperCache(); - - updateSecurityOrigin(); -} - -void V8Proxy::updateSecurityOrigin() -{ - v8::HandleScope scope; - SetSecurityToken(); -} - -// Same origin policy implementation: -// -// Same origin policy prevents JS code from domain A access JS & DOM objects -// in a different domain B. There are exceptions and several objects are -// accessible by cross-domain code. For example, the window.frames object is -// accessible by code from a different domain, but window.document is not. -// -// The binding code sets security check callbacks on a function template, -// and accessing instances of the template calls the callback function. -// The callback function checks same origin policy. -// -// Callback functions are expensive. V8 uses a security token string to do -// fast access checks for the common case where source and target are in the -// same domain. A security token is a string object that represents -// the protocol/url/port of a domain. -// -// There are special cases where a security token matching is not enough. -// For example, JavaScript can set its domain to a super domain by calling -// document.setDomain(...). In these cases, the binding code can reset -// a context's security token to its global object so that the fast access -// check will always fail. - -// Check if the current execution context can access a target frame. -// First it checks same domain policy using the lexical context -// -// This is equivalent to KJS::Window::allowsAccessFrom(ExecState*, String&). -bool V8Proxy::CanAccessPrivate(DOMWindow* target_window) -{ - ASSERT(target_window); - - String message; - - DOMWindow* origin_window = retrieveWindow(); - if (origin_window == target_window) - return true; - - if (!origin_window) - return false; - - const SecurityOrigin* active_security_origin = origin_window->securityOrigin(); - const SecurityOrigin* target_security_origin = target_window->securityOrigin(); - - // We have seen crashes were the security origin of the target has not been - // initialized. Defend against that. - if (!target_security_origin) - return false; - - if (active_security_origin->canAccess(target_security_origin)) - return true; - - // Allow access to a "about:blank" page if the dynamic context is a - // detached context of the same frame as the blank page. - if (target_security_origin->isEmpty() && - origin_window->frame() == target_window->frame()) - return true; - - return false; -} - - -bool V8Proxy::CanAccessFrame(Frame* target, bool report_error) -{ - // The subject is detached from a frame, deny accesses. - if (!target) - return false; - - if (!CanAccessPrivate(target->domWindow())) { - if (report_error) - ReportUnsafeAccessTo(target, REPORT_NOW); - return false; - } - return true; -} - - -bool V8Proxy::CheckNodeSecurity(Node* node) -{ - if (!node) - return false; - - Frame* target = node->document()->frame(); - - if (!target) - return false; - - return CanAccessFrame(target, true); -} - -v8::Persistent<v8::Context> V8Proxy::createNewContext( - v8::Handle<v8::Object> global) -{ - v8::Persistent<v8::Context> result; - - // Create a new environment using an empty template for the shadow - // object. Reuse the global object if one has been created earlier. - v8::Persistent<v8::ObjectTemplate> globalTemplate = - V8DOMWindow::GetShadowObjectTemplate(); - if (globalTemplate.IsEmpty()) - return result; - - // Install a security handler with V8. - globalTemplate->SetAccessCheckCallbacks( - V8Custom::v8DOMWindowNamedSecurityCheck, - V8Custom::v8DOMWindowIndexedSecurityCheck, - v8::Integer::New(V8ClassIndex::DOMWINDOW)); - - // Dynamically tell v8 about our extensions now. - const char** extensionNames = new const char*[m_extensions.size()]; - int index = 0; - for (V8ExtensionList::iterator it = m_extensions.begin(); - it != m_extensions.end(); ++it) { - // Note: we check the loader URL here instead of the document URL - // because we might be currently loading an URL into a blank page. - // See http://code.google.com/p/chromium/issues/detail?id=10924 - if (it->scheme.length() > 0 && - (it->scheme != m_frame->loader()->activeDocumentLoader()->url().protocol() || - it->scheme != m_frame->page()->mainFrame()->loader()->activeDocumentLoader()->url().protocol())) - continue; - - extensionNames[index++] = it->extension->name(); - } - v8::ExtensionConfiguration extensions(index, extensionNames); - result = v8::Context::New(&extensions, globalTemplate, global); - delete [] extensionNames; - extensionNames = 0; - - return result; -} - -bool V8Proxy::installDOMWindow(v8::Handle<v8::Context> context, - DOMWindow* window) -{ - v8::Handle<v8::String> implicit_proto_string = v8::String::New("__proto__"); - if (implicit_proto_string.IsEmpty()) - return false; - - // Create a new JS window object and use it as the prototype for the - // shadow global object. - v8::Handle<v8::Function> window_constructor = - GetConstructor(V8ClassIndex::DOMWINDOW); - v8::Local<v8::Object> js_window = - SafeAllocation::NewInstance(window_constructor); - // Bail out if allocation failed. - if (js_window.IsEmpty()) - return false; - - // Wrap the window. - SetDOMWrapper(js_window, - V8ClassIndex::ToInt(V8ClassIndex::DOMWINDOW), - window); - - window->ref(); - V8Proxy::SetJSWrapperForDOMObject(window, - v8::Persistent<v8::Object>::New(js_window)); - - // Insert the window instance as the prototype of the shadow object. - v8::Handle<v8::Object> v8_global = context->Global(); - v8_global->Set(implicit_proto_string, js_window); - return true; -} - -// Create a new environment and setup the global object. -// -// The global object corresponds to a DOMWindow instance. However, to -// allow properties of the JS DOMWindow instance to be shadowed, we -// use a shadow object as the global object and use the JS DOMWindow -// instance as the prototype for that shadow object. The JS DOMWindow -// instance is undetectable from javascript code because the __proto__ -// accessors skip that object. -// -// The shadow object and the DOMWindow instance are seen as one object -// from javascript. The javascript object that corresponds to a -// DOMWindow instance is the shadow object. When mapping a DOMWindow -// instance to a V8 object, we return the shadow object. -// -// To implement split-window, see -// 1) https://bugs.webkit.org/show_bug.cgi?id=17249 -// 2) https://wiki.mozilla.org/Gecko:SplitWindow -// 3) https://bugzilla.mozilla.org/show_bug.cgi?id=296639 -// we need to split the shadow object further into two objects: -// an outer window and an inner window. The inner window is the hidden -// prototype of the outer window. The inner window is the default -// global object of the context. A variable declared in the global -// scope is a property of the inner window. -// -// The outer window sticks to a Frame, it is exposed to JavaScript -// via window.window, window.self, window.parent, etc. The outer window -// has a security token which is the domain. The outer window cannot -// have its own properties. window.foo = 'x' is delegated to the -// inner window. -// -// When a frame navigates to a new page, the inner window is cut off -// the outer window, and the outer window identify is preserved for -// the frame. However, a new inner window is created for the new page. -// If there are JS code holds a closure to the old inner window, -// it won't be able to reach the outer window via its global object. -void V8Proxy::InitContextIfNeeded() -{ - // Bail out if the context has already been initialized. - if (!m_context.IsEmpty()) - return; - - // Create a handle scope for all local handles. - v8::HandleScope handle_scope; - - // Setup the security handlers and message listener. This only has - // to be done once. - static bool v8_initialized = false; - if (!v8_initialized) { - // Tells V8 not to call the default OOM handler, binding code - // will handle it. - v8::V8::IgnoreOutOfMemoryException(); - v8::V8::SetFatalErrorHandler(ReportFatalErrorInV8); - - v8::V8::SetGlobalGCPrologueCallback(&GCPrologue); - v8::V8::SetGlobalGCEpilogueCallback(&GCEpilogue); - - v8::V8::AddMessageListener(HandleConsoleMessage); - - v8::V8::SetFailedAccessCheckCallbackFunction(ReportUnsafeJavaScriptAccess); - - v8_initialized = true; - } - - m_context = createNewContext(m_global); - if (m_context.IsEmpty()) - return; - - // Starting from now, use local context only. - v8::Local<v8::Context> context = GetContext(); - v8::Context::Scope context_scope(context); - - // Store the first global object created so we can reuse it. - if (m_global.IsEmpty()) { - m_global = v8::Persistent<v8::Object>::New(context->Global()); - // Bail out if allocation of the first global objects fails. - if (m_global.IsEmpty()) { - DisposeContextHandles(); - return; - } -#ifndef NDEBUG - RegisterGlobalHandle(PROXY, this, m_global); -#endif - } - - // Allocate strings used during initialization. - v8::Handle<v8::String> object_string = v8::String::New("Object"); - v8::Handle<v8::String> prototype_string = v8::String::New("prototype"); - // Bail out if allocation failed. - if (object_string.IsEmpty() || - prototype_string.IsEmpty()) { - DisposeContextHandles(); - return; - } - - // Allocate clone cache and pre-allocated objects - v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast( - m_global->Get(object_string)); - m_object_prototype = v8::Persistent<v8::Value>::New( - object->Get(prototype_string)); - m_wrapper_boilerplates = v8::Persistent<v8::Array>::New( - v8::Array::New(V8ClassIndex::WRAPPER_TYPE_COUNT)); - // Bail out if allocation failed. - if (m_object_prototype.IsEmpty()) { - DisposeContextHandles(); - return; - } -#ifndef NDEBUG - RegisterGlobalHandle(PROXY, this, m_object_prototype); - RegisterGlobalHandle(PROXY, this, m_wrapper_boilerplates); -#endif - - if (!installDOMWindow(context, m_frame->domWindow())) - DisposeContextHandles(); - - updateDocument(); - - SetSecurityToken(); - - m_frame->loader()->client()->didCreateScriptContext(); - m_frame->loader()->dispatchWindowObjectAvailable(); -} - -template <class T> -void setDOMExceptionHelper(V8ClassIndex::V8WrapperType type, PassRefPtr<T> exception) { - v8::Handle<v8::Value> v8Exception; - if (WorkerContextExecutionProxy::retrieve()) - v8Exception = WorkerContextExecutionProxy::ToV8Object(type, exception.get()); - else - v8Exception = V8Proxy::ToV8Object(type, exception.get()); - - v8::ThrowException(v8Exception); -} - -void V8Proxy::SetDOMException(int exception_code) -{ - if (exception_code <= 0) - return; - - ExceptionCodeDescription description; - getExceptionCodeDescription(exception_code, description); - - v8::Handle<v8::Value> exception; - switch (description.type) { - case DOMExceptionType: - setDOMExceptionHelper(V8ClassIndex::DOMCOREEXCEPTION, - DOMCoreException::create(description)); - break; - case RangeExceptionType: - setDOMExceptionHelper(V8ClassIndex::RANGEEXCEPTION, - RangeException::create(description)); - break; - case EventExceptionType: - setDOMExceptionHelper(V8ClassIndex::EVENTEXCEPTION, - EventException::create(description)); - break; - case XMLHttpRequestExceptionType: - setDOMExceptionHelper(V8ClassIndex::XMLHTTPREQUESTEXCEPTION, - XMLHttpRequestException::create(description)); - break; -#if ENABLE(SVG) - case SVGExceptionType: - setDOMExceptionHelper(V8ClassIndex::SVGEXCEPTION, - SVGException::create(description)); - break; -#endif -#if ENABLE(XPATH) - case XPathExceptionType: - setDOMExceptionHelper(V8ClassIndex::XPATHEXCEPTION, - XPathException::create(description)); - break; -#endif - default: - ASSERT(false); - break; - } -} - -v8::Handle<v8::Value> V8Proxy::ThrowError(ErrorType type, const char* message) -{ - switch (type) { - case RANGE_ERROR: - return v8::ThrowException(v8::Exception::RangeError(v8String(message))); - case REFERENCE_ERROR: - return v8::ThrowException( - v8::Exception::ReferenceError(v8String(message))); - case SYNTAX_ERROR: - return v8::ThrowException(v8::Exception::SyntaxError(v8String(message))); - case TYPE_ERROR: - return v8::ThrowException(v8::Exception::TypeError(v8String(message))); - case GENERAL_ERROR: - return v8::ThrowException(v8::Exception::Error(v8String(message))); - default: - ASSERT(false); - return v8::Handle<v8::Value>(); - } -} - -v8::Local<v8::Context> V8Proxy::GetContext(Frame* frame) -{ - V8Proxy* proxy = retrieve(frame); - if (!proxy) - return v8::Local<v8::Context>(); - - proxy->InitContextIfNeeded(); - return proxy->GetContext(); -} - -v8::Local<v8::Context> V8Proxy::GetCurrentContext() -{ - return v8::Context::GetCurrent(); -} - -v8::Handle<v8::Value> V8Proxy::ToV8Object(V8ClassIndex::V8WrapperType type, void* imp) -{ - ASSERT(type != V8ClassIndex::EVENTLISTENER); - ASSERT(type != V8ClassIndex::EVENTTARGET); - ASSERT(type != V8ClassIndex::EVENT); - - bool is_active_dom_object = false; - switch (type) { -#define MAKE_CASE(TYPE, NAME) case V8ClassIndex::TYPE: - DOM_NODE_TYPES(MAKE_CASE) -#if ENABLE(SVG) - SVG_NODE_TYPES(MAKE_CASE) -#endif - return NodeToV8Object(static_cast<Node*>(imp)); - case V8ClassIndex::CSSVALUE: - return CSSValueToV8Object(static_cast<CSSValue*>(imp)); - case V8ClassIndex::CSSRULE: - return CSSRuleToV8Object(static_cast<CSSRule*>(imp)); - case V8ClassIndex::STYLESHEET: - return StyleSheetToV8Object(static_cast<StyleSheet*>(imp)); - case V8ClassIndex::DOMWINDOW: - return WindowToV8Object(static_cast<DOMWindow*>(imp)); -#if ENABLE(SVG) - SVG_NONNODE_TYPES(MAKE_CASE) - if (type == V8ClassIndex::SVGELEMENTINSTANCE) - return SVGElementInstanceToV8Object(static_cast<SVGElementInstance*>(imp)); - return SVGObjectWithContextToV8Object(type, imp); -#endif - - ACTIVE_DOM_OBJECT_TYPES(MAKE_CASE) - is_active_dom_object = true; - break; - default: - break; - } - -#undef MAKE_CASE - - if (!imp) return v8::Null(); - - // Non DOM node - v8::Persistent<v8::Object> result = is_active_dom_object ? - getActiveDOMObjectMap().get(imp) : - getDOMObjectMap().get(imp); - if (result.IsEmpty()) { - v8::Local<v8::Object> v8obj = InstantiateV8Object(type, type, imp); - if (!v8obj.IsEmpty()) { - // Go through big switch statement, it has some duplications - // that were handled by code above (such as CSSVALUE, CSSRULE, etc). - switch (type) { -#define MAKE_CASE(TYPE, NAME) \ - case V8ClassIndex::TYPE: static_cast<NAME*>(imp)->ref(); break; - DOM_OBJECT_TYPES(MAKE_CASE) -#undef MAKE_CASE - default: - ASSERT(false); - } - result = v8::Persistent<v8::Object>::New(v8obj); - if (is_active_dom_object) - SetJSWrapperForActiveDOMObject(imp, result); - else - SetJSWrapperForDOMObject(imp, result); - - // Special case for non-node objects associated with a - // DOMWindow. Both Safari and FF let the JS wrappers for these - // objects survive GC. To mimic their behavior, V8 creates - // hidden references from the DOMWindow to these wrapper - // objects. These references get cleared when the DOMWindow is - // reused by a new page. - switch (type) { - case V8ClassIndex::CONSOLE: - SetHiddenWindowReference(static_cast<Console*>(imp)->frame(), - V8Custom::kDOMWindowConsoleIndex, result); - break; - case V8ClassIndex::HISTORY: - SetHiddenWindowReference(static_cast<History*>(imp)->frame(), - V8Custom::kDOMWindowHistoryIndex, result); - break; - case V8ClassIndex::NAVIGATOR: - SetHiddenWindowReference(static_cast<Navigator*>(imp)->frame(), - V8Custom::kDOMWindowNavigatorIndex, result); - break; - case V8ClassIndex::SCREEN: - SetHiddenWindowReference(static_cast<Screen*>(imp)->frame(), - V8Custom::kDOMWindowScreenIndex, result); - break; - case V8ClassIndex::LOCATION: - SetHiddenWindowReference(static_cast<Location*>(imp)->frame(), - V8Custom::kDOMWindowLocationIndex, result); - break; - case V8ClassIndex::DOMSELECTION: - SetHiddenWindowReference(static_cast<DOMSelection*>(imp)->frame(), - V8Custom::kDOMWindowDOMSelectionIndex, result); - break; - case V8ClassIndex::BARINFO: { - BarInfo* barinfo = static_cast<BarInfo*>(imp); - Frame* frame = barinfo->frame(); - switch (barinfo->type()) { - case BarInfo::Locationbar: - SetHiddenWindowReference(frame, V8Custom::kDOMWindowLocationbarIndex, result); - break; - case BarInfo::Menubar: - SetHiddenWindowReference(frame, V8Custom::kDOMWindowMenubarIndex, result); - break; - case BarInfo::Personalbar: - SetHiddenWindowReference(frame, V8Custom::kDOMWindowPersonalbarIndex, result); - break; - case BarInfo::Scrollbars: - SetHiddenWindowReference(frame, V8Custom::kDOMWindowScrollbarsIndex, result); - break; - case BarInfo::Statusbar: - SetHiddenWindowReference(frame, V8Custom::kDOMWindowStatusbarIndex, result); - break; - case BarInfo::Toolbar: - SetHiddenWindowReference(frame, V8Custom::kDOMWindowToolbarIndex, result); - break; - } - break; - } - default: - break; - } - } - } - return result; -} - - -void V8Proxy::SetHiddenWindowReference(Frame* frame, - const int internal_index, - v8::Handle<v8::Object> jsobj) -{ - // Get DOMWindow - if (!frame) return; // Object might be detached from window - v8::Handle<v8::Context> context = GetContext(frame); - if (context.IsEmpty()) return; - - ASSERT(internal_index < V8Custom::kDOMWindowInternalFieldCount); - - v8::Handle<v8::Object> global = context->Global(); - // Look for real DOM wrapper. - global = LookupDOMWrapper(V8ClassIndex::DOMWINDOW, global); - ASSERT(!global.IsEmpty()); - ASSERT(global->GetInternalField(internal_index)->IsUndefined()); - global->SetInternalField(internal_index, jsobj); -} - - -V8ClassIndex::V8WrapperType V8Proxy::GetDOMWrapperType(v8::Handle<v8::Object> object) -{ - ASSERT(MaybeDOMWrapper(object)); - v8::Handle<v8::Value> type = - object->GetInternalField(V8Custom::kDOMWrapperTypeIndex); - return V8ClassIndex::FromInt(type->Int32Value()); -} - - -void* V8Proxy::ToNativeObjectImpl(V8ClassIndex::V8WrapperType type, - v8::Handle<v8::Value> object) -{ - // Native event listener is per frame, it cannot be handled - // by this generic function. - ASSERT(type != V8ClassIndex::EVENTLISTENER); - ASSERT(type != V8ClassIndex::EVENTTARGET); - - ASSERT(MaybeDOMWrapper(object)); - - switch (type) { -#define MAKE_CASE(TYPE, NAME) case V8ClassIndex::TYPE: - DOM_NODE_TYPES(MAKE_CASE) -#if ENABLE(SVG) - SVG_NODE_TYPES(MAKE_CASE) -#endif - ASSERT(false); - return NULL; - case V8ClassIndex::XMLHTTPREQUEST: - return DOMWrapperToNative<XMLHttpRequest>(object); - case V8ClassIndex::EVENT: - return DOMWrapperToNative<Event>(object); - case V8ClassIndex::CSSRULE: - return DOMWrapperToNative<CSSRule>(object); - default: - break; - } -#undef MAKE_CASE - - return DOMWrapperToNative<void>(object); -} - - -void* V8Proxy::ToSVGPODTypeImpl(V8ClassIndex::V8WrapperType type, - v8::Handle<v8::Value> object) { - return IsWrapperOfType(object, type) - ? DOMWrapperToNative<void>(object) - : NULL; -} - - -v8::Handle<v8::Object> V8Proxy::LookupDOMWrapper( - V8ClassIndex::V8WrapperType type, v8::Handle<v8::Value> value) -{ - if (value.IsEmpty()) - return v8::Handle<v8::Object>(); - - v8::Handle<v8::FunctionTemplate> desc = V8Proxy::GetTemplate(type); - while (value->IsObject()) { - v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value); - if (desc->HasInstance(object)) - return object; - - value = object->GetPrototype(); - } - return v8::Handle<v8::Object>(); -} - - -// static -void* V8Proxy::DOMWrapperToNodeHelper(v8::Handle<v8::Value> value) { - ASSERT(MaybeDOMWrapper(value)); - - v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value); - - ASSERT(GetDOMWrapperType(object) == V8ClassIndex::NODE); - - v8::Handle<v8::Value> wrapper = - object->GetInternalField(V8Custom::kDOMWrapperObjectIndex); - return ExtractCPointer<Node>(wrapper); -} - - -PassRefPtr<NodeFilter> V8Proxy::ToNativeNodeFilter(v8::Handle<v8::Value> filter) -{ - // A NodeFilter is used when walking through a DOM tree or iterating tree - // nodes. - // TODO: we may want to cache NodeFilterCondition and NodeFilter - // object, but it is minor. - // NodeFilter is passed to NodeIterator that has a ref counted pointer - // to NodeFilter. NodeFilter has a ref counted pointer to NodeFilterCondition. - // In NodeFilterCondition, filter object is persisted in its constructor, - // and disposed in its destructor. - if (!filter->IsFunction()) - return 0; - - NodeFilterCondition* cond = new V8NodeFilterCondition(filter); - return NodeFilter::create(cond); -} - - -v8::Local<v8::Object> V8Proxy::InstantiateV8Object( - V8ClassIndex::V8WrapperType desc_type, - V8ClassIndex::V8WrapperType cptr_type, - void* imp) -{ - // Make a special case for document.all - if (desc_type == V8ClassIndex::HTMLCOLLECTION && - static_cast<HTMLCollection*>(imp)->type() == DocAll) { - desc_type = V8ClassIndex::UNDETECTABLEHTMLCOLLECTION; - } - - V8Proxy* proxy = V8Proxy::retrieve(); - v8::Local<v8::Object> instance; - if (proxy) { - instance = proxy->CreateWrapperFromCache(desc_type); - } else { - v8::Local<v8::Function> function = GetTemplate(desc_type)->GetFunction(); - instance = SafeAllocation::NewInstance(function); - } - if (!instance.IsEmpty()) { - // Avoid setting the DOM wrapper for failed allocations. - SetDOMWrapper(instance, V8ClassIndex::ToInt(cptr_type), imp); - } - return instance; -} - -v8::Handle<v8::Value> V8Proxy::CheckNewLegal(const v8::Arguments& args) -{ - if (!AllowAllocation::m_current) - return ThrowError(TYPE_ERROR, "Illegal constructor"); - - return args.This(); -} - -void V8Proxy::SetDOMWrapper(v8::Handle<v8::Object> obj, int type, void* cptr) -{ - ASSERT(obj->InternalFieldCount() >= 2); - obj->SetInternalField(V8Custom::kDOMWrapperObjectIndex, WrapCPointer(cptr)); - obj->SetInternalField(V8Custom::kDOMWrapperTypeIndex, v8::Integer::New(type)); -} - - -#ifndef NDEBUG -bool V8Proxy::MaybeDOMWrapper(v8::Handle<v8::Value> value) -{ - if (value.IsEmpty() || !value->IsObject()) return false; - - v8::Handle<v8::Object> obj = v8::Handle<v8::Object>::Cast(value); - if (obj->InternalFieldCount() == 0) return false; - - ASSERT(obj->InternalFieldCount() >= - V8Custom::kDefaultWrapperInternalFieldCount); - - v8::Handle<v8::Value> type = - obj->GetInternalField(V8Custom::kDOMWrapperTypeIndex); - ASSERT(type->IsInt32()); - ASSERT(V8ClassIndex::INVALID_CLASS_INDEX < type->Int32Value() && - type->Int32Value() < V8ClassIndex::CLASSINDEX_END); - - v8::Handle<v8::Value> wrapper = - obj->GetInternalField(V8Custom::kDOMWrapperObjectIndex); - ASSERT(wrapper->IsNumber() || wrapper->IsExternal()); - - return true; -} -#endif - - -bool V8Proxy::IsDOMEventWrapper(v8::Handle<v8::Value> value) -{ - // All kinds of events use EVENT as dom type in JS wrappers. - // See EventToV8Object - return IsWrapperOfType(value, V8ClassIndex::EVENT); -} - -bool V8Proxy::IsWrapperOfType(v8::Handle<v8::Value> value, - V8ClassIndex::V8WrapperType classType) -{ - if (value.IsEmpty() || !value->IsObject()) return false; - - v8::Handle<v8::Object> obj = v8::Handle<v8::Object>::Cast(value); - if (obj->InternalFieldCount() == 0) return false; - - ASSERT(obj->InternalFieldCount() >= - V8Custom::kDefaultWrapperInternalFieldCount); - - v8::Handle<v8::Value> wrapper = - obj->GetInternalField(V8Custom::kDOMWrapperObjectIndex); - ASSERT(wrapper->IsNumber() || wrapper->IsExternal()); - - v8::Handle<v8::Value> type = - obj->GetInternalField(V8Custom::kDOMWrapperTypeIndex); - ASSERT(type->IsInt32()); - ASSERT(V8ClassIndex::INVALID_CLASS_INDEX < type->Int32Value() && - type->Int32Value() < V8ClassIndex::CLASSINDEX_END); - - return V8ClassIndex::FromInt(type->Int32Value()) == classType; -} - -#if ENABLE(VIDEO) -#define FOR_EACH_VIDEO_TAG(macro) \ - macro(audio, AUDIO) \ - macro(source, SOURCE) \ - macro(video, VIDEO) -#else -#define FOR_EACH_VIDEO_TAG(macro) -#endif - -#define FOR_EACH_TAG(macro) \ - macro(a, ANCHOR) \ - macro(applet, APPLET) \ - macro(area, AREA) \ - macro(base, BASE) \ - macro(basefont, BASEFONT) \ - macro(blockquote, BLOCKQUOTE) \ - macro(body, BODY) \ - macro(br, BR) \ - macro(button, BUTTON) \ - macro(caption, TABLECAPTION) \ - macro(col, TABLECOL) \ - macro(colgroup, TABLECOL) \ - macro(del, MOD) \ - macro(canvas, CANVAS) \ - macro(dir, DIRECTORY) \ - macro(div, DIV) \ - macro(dl, DLIST) \ - macro(embed, EMBED) \ - macro(fieldset, FIELDSET) \ - macro(font, FONT) \ - macro(form, FORM) \ - macro(frame, FRAME) \ - macro(frameset, FRAMESET) \ - macro(h1, HEADING) \ - macro(h2, HEADING) \ - macro(h3, HEADING) \ - macro(h4, HEADING) \ - macro(h5, HEADING) \ - macro(h6, HEADING) \ - macro(head, HEAD) \ - macro(hr, HR) \ - macro(html, HTML) \ - macro(img, IMAGE) \ - macro(iframe, IFRAME) \ - macro(image, IMAGE) \ - macro(input, INPUT) \ - macro(ins, MOD) \ - macro(isindex, ISINDEX) \ - macro(keygen, SELECT) \ - macro(label, LABEL) \ - macro(legend, LEGEND) \ - macro(li, LI) \ - macro(link, LINK) \ - macro(listing, PRE) \ - macro(map, MAP) \ - macro(marquee, MARQUEE) \ - macro(menu, MENU) \ - macro(meta, META) \ - macro(object, OBJECT) \ - macro(ol, OLIST) \ - macro(optgroup, OPTGROUP) \ - macro(option, OPTION) \ - macro(p, PARAGRAPH) \ - macro(param, PARAM) \ - macro(pre, PRE) \ - macro(q, QUOTE) \ - macro(script, SCRIPT) \ - macro(select, SELECT) \ - macro(style, STYLE) \ - macro(table, TABLE) \ - macro(thead, TABLESECTION) \ - macro(tbody, TABLESECTION) \ - macro(tfoot, TABLESECTION) \ - macro(td, TABLECELL) \ - macro(th, TABLECELL) \ - macro(tr, TABLEROW) \ - macro(textarea, TEXTAREA) \ - macro(title, TITLE) \ - macro(ul, ULIST) \ - macro(xmp, PRE) - -V8ClassIndex::V8WrapperType V8Proxy::GetHTMLElementType(HTMLElement* element) -{ - static HashMap<String, V8ClassIndex::V8WrapperType> map; - if (map.isEmpty()) { -#define ADD_TO_HASH_MAP(tag, name) \ - map.set(#tag, V8ClassIndex::HTML##name##ELEMENT); -FOR_EACH_TAG(ADD_TO_HASH_MAP) -#if ENABLE(VIDEO) - if (MediaPlayer::isAvailable()) { -FOR_EACH_VIDEO_TAG(ADD_TO_HASH_MAP) - } -#endif -#undef ADD_TO_HASH_MAP - } - - V8ClassIndex::V8WrapperType t = map.get(element->localName().impl()); - if (t == 0) - return V8ClassIndex::HTMLELEMENT; - return t; -} -#undef FOR_EACH_TAG - -#if ENABLE(SVG) - -#if ENABLE(SVG_ANIMATION) -#define FOR_EACH_ANIMATION_TAG(macro) \ - macro(animateColor, ANIMATECOLOR) \ - macro(animate, ANIMATE) \ - macro(animateTransform, ANIMATETRANSFORM) \ - macro(set, SET) -#else -#define FOR_EACH_ANIMATION_TAG(macro) -#endif - -#if ENABLE(SVG_FILTERS) -#define FOR_EACH_FILTERS_TAG(macro) \ - macro(feBlend, FEBLEND) \ - macro(feColorMatrix, FECOLORMATRIX) \ - macro(feComponentTransfer, FECOMPONENTTRANSFER) \ - macro(feComposite, FECOMPOSITE) \ - macro(feDiffuseLighting, FEDIFFUSELIGHTING) \ - macro(feDisplacementMap, FEDISPLACEMENTMAP) \ - macro(feDistantLight, FEDISTANTLIGHT) \ - macro(feFlood, FEFLOOD) \ - macro(feFuncA, FEFUNCA) \ - macro(feFuncB, FEFUNCB) \ - macro(feFuncG, FEFUNCG) \ - macro(feFuncR, FEFUNCR) \ - macro(feGaussianBlur, FEGAUSSIANBLUR) \ - macro(feImage, FEIMAGE) \ - macro(feMerge, FEMERGE) \ - macro(feMergeNode, FEMERGENODE) \ - macro(feOffset, FEOFFSET) \ - macro(fePointLight, FEPOINTLIGHT) \ - macro(feSpecularLighting, FESPECULARLIGHTING) \ - macro(feSpotLight, FESPOTLIGHT) \ - macro(feTile, FETILE) \ - macro(feTurbulence, FETURBULENCE) \ - macro(filter, FILTER) -#else -#define FOR_EACH_FILTERS_TAG(macro) -#endif - -#if ENABLE(SVG_FONTS) -#define FOR_EACH_FONTS_TAG(macro) \ - macro(definition-src, DEFINITIONSRC) \ - macro(font-face, FONTFACE) \ - macro(font-face-format, FONTFACEFORMAT) \ - macro(font-face-name, FONTFACENAME) \ - macro(font-face-src, FONTFACESRC) \ - macro(font-face-uri, FONTFACEURI) -#else -#define FOR_EACH_FONTS_TAG(marco) -#endif - -#if ENABLE(SVG_FOREIGN_OBJECT) -#define FOR_EACH_FOREIGN_OBJECT_TAG(macro) \ - macro(foreignObject, FOREIGNOBJECT) -#else -#define FOR_EACH_FOREIGN_OBJECT_TAG(macro) -#endif - -#if ENABLE(SVG_USE) -#define FOR_EACH_USE_TAG(macro) \ - macro(use, USE) -#else -#define FOR_EACH_USE_TAG(macro) -#endif - -#define FOR_EACH_TAG(macro) \ - FOR_EACH_ANIMATION_TAG(macro) \ - FOR_EACH_FILTERS_TAG(macro) \ - FOR_EACH_FONTS_TAG(macro) \ - FOR_EACH_FOREIGN_OBJECT_TAG(macro) \ - FOR_EACH_USE_TAG(macro) \ - macro(a, A) \ - macro(altGlyph, ALTGLYPH) \ - macro(circle, CIRCLE) \ - macro(clipPath, CLIPPATH) \ - macro(cursor, CURSOR) \ - macro(defs, DEFS) \ - macro(desc, DESC) \ - macro(ellipse, ELLIPSE) \ - macro(g, G) \ - macro(glyph, GLYPH) \ - macro(image, IMAGE) \ - macro(linearGradient, LINEARGRADIENT) \ - macro(line, LINE) \ - macro(marker, MARKER) \ - macro(mask, MASK) \ - macro(metadata, METADATA) \ - macro(path, PATH) \ - macro(pattern, PATTERN) \ - macro(polyline, POLYLINE) \ - macro(polygon, POLYGON) \ - macro(radialGradient, RADIALGRADIENT) \ - macro(rect, RECT) \ - macro(script, SCRIPT) \ - macro(stop, STOP) \ - macro(style, STYLE) \ - macro(svg, SVG) \ - macro(switch, SWITCH) \ - macro(symbol, SYMBOL) \ - macro(text, TEXT) \ - macro(textPath, TEXTPATH) \ - macro(title, TITLE) \ - macro(tref, TREF) \ - macro(tspan, TSPAN) \ - macro(view, VIEW) \ - // end of macro - -V8ClassIndex::V8WrapperType V8Proxy::GetSVGElementType(SVGElement* element) -{ - static HashMap<String, V8ClassIndex::V8WrapperType> map; - if (map.isEmpty()) { -#define ADD_TO_HASH_MAP(tag, name) \ - map.set(#tag, V8ClassIndex::SVG##name##ELEMENT); -FOR_EACH_TAG(ADD_TO_HASH_MAP) -#undef ADD_TO_HASH_MAP - } - - V8ClassIndex::V8WrapperType t = map.get(element->localName().impl()); - if (t == 0) return V8ClassIndex::SVGELEMENT; - return t; -} -#undef FOR_EACH_TAG - -#endif // ENABLE(SVG) - - -v8::Handle<v8::Value> V8Proxy::EventToV8Object(Event* event) -{ - if (!event) - return v8::Null(); - - v8::Handle<v8::Object> wrapper = getDOMObjectMap().get(event); - if (!wrapper.IsEmpty()) - return wrapper; - - V8ClassIndex::V8WrapperType type = V8ClassIndex::EVENT; - - if (event->isUIEvent()) { - if (event->isKeyboardEvent()) - type = V8ClassIndex::KEYBOARDEVENT; - else if (event->isTextEvent()) - type = V8ClassIndex::TEXTEVENT; - else if (event->isMouseEvent()) - type = V8ClassIndex::MOUSEEVENT; - else if (event->isWheelEvent()) - type = V8ClassIndex::WHEELEVENT; -#if ENABLE(SVG) - else if (event->isSVGZoomEvent()) - type = V8ClassIndex::SVGZOOMEVENT; -#endif - else - type = V8ClassIndex::UIEVENT; - } else if (event->isMutationEvent()) - type = V8ClassIndex::MUTATIONEVENT; - else if (event->isOverflowEvent()) - type = V8ClassIndex::OVERFLOWEVENT; - else if (event->isMessageEvent()) - type = V8ClassIndex::MESSAGEEVENT; - else if (event->isProgressEvent()) { - if (event->isXMLHttpRequestProgressEvent()) - type = V8ClassIndex::XMLHTTPREQUESTPROGRESSEVENT; - else - type = V8ClassIndex::PROGRESSEVENT; - } else if (event->isWebKitAnimationEvent()) - type = V8ClassIndex::WEBKITANIMATIONEVENT; - else if (event->isWebKitTransitionEvent()) - type = V8ClassIndex::WEBKITTRANSITIONEVENT; - - - v8::Handle<v8::Object> result = - InstantiateV8Object(type, V8ClassIndex::EVENT, event); - if (result.IsEmpty()) { - // Instantiation failed. Avoid updating the DOM object map and - // return null which is already handled by callers of this function - // in case the event is NULL. - return v8::Null(); - } - - event->ref(); // fast ref - SetJSWrapperForDOMObject(event, v8::Persistent<v8::Object>::New(result)); - - return result; -} - - -// Caller checks node is not null. -v8::Handle<v8::Value> V8Proxy::NodeToV8Object(Node* node) -{ - if (!node) return v8::Null(); - - // Find the context to which the node belongs and create the wrapper - // in that context. If the node is not in a document, the current - // context is used. - // - // Getting the context might initialize the context which can instantiate - // a document wrapper. Therefore, we get the context before checking if - // the node already has a wrapper. - v8::Local<v8::Context> context; - Document* doc = node->document(); - if (doc) { - context = V8Proxy::GetContext(doc->frame()); - } - - v8::Handle<v8::Object> wrapper = getDOMNodeMap().get(node); - if (!wrapper.IsEmpty()) - return wrapper; - - bool is_document = false; // document type node has special handling - V8ClassIndex::V8WrapperType type; - - switch (node->nodeType()) { - case Node::ELEMENT_NODE: - if (node->isHTMLElement()) - type = GetHTMLElementType(static_cast<HTMLElement*>(node)); -#if ENABLE(SVG) - else if (node->isSVGElement()) - type = GetSVGElementType(static_cast<SVGElement*>(node)); -#endif - else - type = V8ClassIndex::ELEMENT; - break; - case Node::ATTRIBUTE_NODE: - type = V8ClassIndex::ATTR; - break; - case Node::TEXT_NODE: - type = V8ClassIndex::TEXT; - break; - case Node::CDATA_SECTION_NODE: - type = V8ClassIndex::CDATASECTION; - break; - case Node::ENTITY_NODE: - type = V8ClassIndex::ENTITY; - break; - case Node::PROCESSING_INSTRUCTION_NODE: - type = V8ClassIndex::PROCESSINGINSTRUCTION; - break; - case Node::COMMENT_NODE: - type = V8ClassIndex::COMMENT; - break; - case Node::DOCUMENT_NODE: { - is_document = true; - Document* doc = static_cast<Document*>(node); - if (doc->isHTMLDocument()) - type = V8ClassIndex::HTMLDOCUMENT; -#if ENABLE(SVG) - else if (doc->isSVGDocument()) - type = V8ClassIndex::SVGDOCUMENT; -#endif - else - type = V8ClassIndex::DOCUMENT; - break; - } - case Node::DOCUMENT_TYPE_NODE: - type = V8ClassIndex::DOCUMENTTYPE; - break; - case Node::NOTATION_NODE: - type = V8ClassIndex::NOTATION; - break; - case Node::DOCUMENT_FRAGMENT_NODE: - type = V8ClassIndex::DOCUMENTFRAGMENT; - break; - case Node::ENTITY_REFERENCE_NODE: - type = V8ClassIndex::ENTITYREFERENCE; - break; - default: - type = V8ClassIndex::NODE; - } - - // Enter the node's context and create the wrapper in that context. - if (!context.IsEmpty()) { - context->Enter(); - } - - v8::Local<v8::Object> result = - InstantiateV8Object(type, V8ClassIndex::NODE, node); - - // Exit the node's context if it was entered. - if (!context.IsEmpty()) { - context->Exit(); - } - - if (result.IsEmpty()) { - // If instantiation failed it's important not to add the result - // to the DOM node map. Instead we return an empty handle, which - // should already be handled by callers of this function in case - // the node is NULL. - return result; - } - - node->ref(); - SetJSWrapperForDOMNode(node, v8::Persistent<v8::Object>::New(result)); - - if (is_document) { - Document* doc = static_cast<Document*>(node); - V8Proxy* proxy = V8Proxy::retrieve(doc->frame()); - if (proxy) - proxy->UpdateDocumentWrapper(result); - - if (type == V8ClassIndex::HTMLDOCUMENT) { - // Create marker object and insert it in two internal fields. - // This is used to implement temporary shadowing of - // document.all. - ASSERT(result->InternalFieldCount() == - V8Custom::kHTMLDocumentInternalFieldCount); - v8::Local<v8::Object> marker = v8::Object::New(); - result->SetInternalField(V8Custom::kHTMLDocumentMarkerIndex, marker); - result->SetInternalField(V8Custom::kHTMLDocumentShadowIndex, marker); - } - } - - return result; -} - - -// A JS object of type EventTarget can only be the following possible types: -// 1) EventTargetNode; 2) DOMWindow 3) XMLHttpRequest; 4) MessagePort; -// 5) XMLHttpRequestUpload -// check EventTarget.h for new type conversion methods -v8::Handle<v8::Value> V8Proxy::EventTargetToV8Object(EventTarget* target) -{ - if (!target) - return v8::Null(); - -#if ENABLE(SVG) - SVGElementInstance* instance = target->toSVGElementInstance(); - if (instance) - return ToV8Object(V8ClassIndex::SVGELEMENTINSTANCE, instance); -#endif - -#if ENABLE(WORKERS) - Worker* worker = target->toWorker(); - if (worker) - return ToV8Object(V8ClassIndex::WORKER, worker); -#endif // WORKERS - - Node* node = target->toNode(); - if (node) - return NodeToV8Object(node); - - if (DOMWindow* domWindow = target->toDOMWindow()) - return ToV8Object(V8ClassIndex::DOMWINDOW, domWindow); - - // XMLHttpRequest is created within its JS counterpart. - XMLHttpRequest* xhr = target->toXMLHttpRequest(); - if (xhr) { - v8::Handle<v8::Object> wrapper = getActiveDOMObjectMap().get(xhr); - ASSERT(!wrapper.IsEmpty()); - return wrapper; - } - - // MessagePort is created within its JS counterpart - MessagePort* port = target->toMessagePort(); - if (port) { - v8::Handle<v8::Object> wrapper = getActiveDOMObjectMap().get(port); - ASSERT(!wrapper.IsEmpty()); - return wrapper; - } - - XMLHttpRequestUpload* upload = target->toXMLHttpRequestUpload(); - if (upload) { - v8::Handle<v8::Object> wrapper = getDOMObjectMap().get(upload); - ASSERT(!wrapper.IsEmpty()); - return wrapper; - } - - ASSERT(0); - return v8::Handle<v8::Value>(); -} - - -v8::Handle<v8::Value> V8Proxy::EventListenerToV8Object( - EventListener* listener) -{ - if (listener == 0) return v8::Null(); - - // TODO(fqian): can a user take a lazy event listener and set to other places? - V8AbstractEventListener* v8listener = - static_cast<V8AbstractEventListener*>(listener); - return v8listener->getListenerObject(); -} - - -v8::Handle<v8::Value> V8Proxy::DOMImplementationToV8Object( - DOMImplementation* impl) -{ - v8::Handle<v8::Object> result = - InstantiateV8Object(V8ClassIndex::DOMIMPLEMENTATION, - V8ClassIndex::DOMIMPLEMENTATION, - impl); - if (result.IsEmpty()) { - // If the instantiation failed, we ignore it and return null instead - // of returning an empty handle. - return v8::Null(); - } - return result; -} - - -v8::Handle<v8::Value> V8Proxy::StyleSheetToV8Object(StyleSheet* sheet) -{ - if (!sheet) return v8::Null(); - - v8::Handle<v8::Object> wrapper = getDOMObjectMap().get(sheet); - if (!wrapper.IsEmpty()) - return wrapper; - - V8ClassIndex::V8WrapperType type = V8ClassIndex::STYLESHEET; - if (sheet->isCSSStyleSheet()) - type = V8ClassIndex::CSSSTYLESHEET; - - v8::Handle<v8::Object> result = - InstantiateV8Object(type, V8ClassIndex::STYLESHEET, sheet); - if (!result.IsEmpty()) { - // Only update the DOM object map if the result is non-empty. - sheet->ref(); - SetJSWrapperForDOMObject(sheet, v8::Persistent<v8::Object>::New(result)); - } - - // Add a hidden reference from stylesheet object to its owner node. - Node* owner_node = sheet->ownerNode(); - if (owner_node) { - v8::Handle<v8::Object> owner = - v8::Handle<v8::Object>::Cast(NodeToV8Object(owner_node)); - result->SetInternalField(V8Custom::kStyleSheetOwnerNodeIndex, owner); - } - - return result; -} - - -v8::Handle<v8::Value> V8Proxy::CSSValueToV8Object(CSSValue* value) -{ - if (!value) return v8::Null(); - - v8::Handle<v8::Object> wrapper = getDOMObjectMap().get(value); - if (!wrapper.IsEmpty()) - return wrapper; - - V8ClassIndex::V8WrapperType type; - - if (value->isWebKitCSSTransformValue()) - type = V8ClassIndex::WEBKITCSSTRANSFORMVALUE; - else if (value->isValueList()) - type = V8ClassIndex::CSSVALUELIST; - else if (value->isPrimitiveValue()) - type = V8ClassIndex::CSSPRIMITIVEVALUE; -#if ENABLE(SVG) - else if (value->isSVGPaint()) - type = V8ClassIndex::SVGPAINT; - else if (value->isSVGColor()) - type = V8ClassIndex::SVGCOLOR; -#endif - else - type = V8ClassIndex::CSSVALUE; - - v8::Handle<v8::Object> result = - InstantiateV8Object(type, V8ClassIndex::CSSVALUE, value); - if (!result.IsEmpty()) { - // Only update the DOM object map if the result is non-empty. - value->ref(); - SetJSWrapperForDOMObject(value, v8::Persistent<v8::Object>::New(result)); - } - - return result; -} - - -v8::Handle<v8::Value> V8Proxy::CSSRuleToV8Object(CSSRule* rule) -{ - if (!rule) return v8::Null(); - - v8::Handle<v8::Object> wrapper = getDOMObjectMap().get(rule); - if (!wrapper.IsEmpty()) - return wrapper; - - V8ClassIndex::V8WrapperType type; - - switch (rule->type()) { - case CSSRule::STYLE_RULE: - type = V8ClassIndex::CSSSTYLERULE; - break; - case CSSRule::CHARSET_RULE: - type = V8ClassIndex::CSSCHARSETRULE; - break; - case CSSRule::IMPORT_RULE: - type = V8ClassIndex::CSSIMPORTRULE; - break; - case CSSRule::MEDIA_RULE: - type = V8ClassIndex::CSSMEDIARULE; - break; - case CSSRule::FONT_FACE_RULE: - type = V8ClassIndex::CSSFONTFACERULE; - break; - case CSSRule::PAGE_RULE: - type = V8ClassIndex::CSSPAGERULE; - break; - case CSSRule::VARIABLES_RULE: - type = V8ClassIndex::CSSVARIABLESRULE; - break; - case CSSRule::WEBKIT_KEYFRAME_RULE: - type = V8ClassIndex::WEBKITCSSKEYFRAMERULE; - break; - case CSSRule::WEBKIT_KEYFRAMES_RULE: - type = V8ClassIndex::WEBKITCSSKEYFRAMESRULE; - break; - default: // CSSRule::UNKNOWN_RULE - type = V8ClassIndex::CSSRULE; - break; - } - - v8::Handle<v8::Object> result = - InstantiateV8Object(type, V8ClassIndex::CSSRULE, rule); - if (!result.IsEmpty()) { - // Only update the DOM object map if the result is non-empty. - rule->ref(); - SetJSWrapperForDOMObject(rule, v8::Persistent<v8::Object>::New(result)); - } - return result; -} - -v8::Handle<v8::Value> V8Proxy::WindowToV8Object(DOMWindow* window) -{ - if (!window) return v8::Null(); - // Initializes environment of a frame, and return the global object - // of the frame. - Frame* frame = window->frame(); - if (!frame) - return v8::Handle<v8::Object>(); - - // Special case: Because of evaluateInNewContext() one DOMWindow can have - // multiple contexts and multiple global objects associated with it. When - // code running in one of those contexts accesses the window object, we - // want to return the global object associated with that context, not - // necessarily the first global object associated with that DOMWindow. - v8::Handle<v8::Context> current_context = v8::Context::GetCurrent(); - v8::Handle<v8::Object> current_global = current_context->Global(); - v8::Handle<v8::Object> windowWrapper = - LookupDOMWrapper(V8ClassIndex::DOMWINDOW, current_global); - if (!windowWrapper.IsEmpty()) - if (DOMWrapperToNative<DOMWindow>(windowWrapper) == window) - return current_global; - - // Otherwise, return the global object associated with this frame. - v8::Handle<v8::Context> context = GetContext(frame); - if (context.IsEmpty()) - return v8::Handle<v8::Object>(); - - v8::Handle<v8::Object> global = context->Global(); - ASSERT(!global.IsEmpty()); - return global; -} - -void V8Proxy::BindJSObjectToWindow(Frame* frame, - const char* name, - int type, - v8::Handle<v8::FunctionTemplate> desc, - void* imp) -{ - // Get environment. - v8::Handle<v8::Context> context = V8Proxy::GetContext(frame); - if (context.IsEmpty()) - return; // JS not enabled. - - v8::Context::Scope scope(context); - v8::Handle<v8::Object> instance = desc->GetFunction(); - SetDOMWrapper(instance, type, imp); - - v8::Handle<v8::Object> global = context->Global(); - global->Set(v8::String::New(name), instance); -} - -void V8Proxy::ProcessConsoleMessages() -{ - ConsoleMessageManager::ProcessDelayedMessages(); -} - - -// Create the utility context for holding JavaScript functions used internally -// which are not visible to JavaScript executing on the page. -void V8Proxy::CreateUtilityContext() { - ASSERT(m_utilityContext.IsEmpty()); - - v8::HandleScope scope; - v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); - m_utilityContext = v8::Context::New(NULL, global_template); - v8::Context::Scope context_scope(m_utilityContext); - - // Compile JavaScript function for retrieving the source line of the top - // JavaScript stack frame. - static const char* frame_source_line_source = - "function frame_source_line(exec_state) {" - " return exec_state.frame(0).sourceLine();" - "}"; - v8::Script::Compile(v8::String::New(frame_source_line_source))->Run(); - - // Compile JavaScript function for retrieving the source name of the top - // JavaScript stack frame. - static const char* frame_source_name_source = - "function frame_source_name(exec_state) {" - " var frame = exec_state.frame(0);" - " if (frame.func().resolved() && " - " frame.func().script() && " - " frame.func().script().name()) {" - " return frame.func().script().name();" - " }" - "}"; - v8::Script::Compile(v8::String::New(frame_source_name_source))->Run(); -} - - -int V8Proxy::GetSourceLineNumber() { - v8::HandleScope scope; - v8::Handle<v8::Context> utility_context = V8Proxy::GetUtilityContext(); - if (utility_context.IsEmpty()) { - return 0; - } - v8::Context::Scope context_scope(utility_context); - v8::Handle<v8::Function> frame_source_line; - frame_source_line = v8::Local<v8::Function>::Cast( - utility_context->Global()->Get(v8::String::New("frame_source_line"))); - if (frame_source_line.IsEmpty()) { - return 0; - } - v8::Handle<v8::Value> result = v8::Debug::Call(frame_source_line); - if (result.IsEmpty()) { - return 0; - } - return result->Int32Value(); -} - - -String V8Proxy::GetSourceName() { - v8::HandleScope scope; - v8::Handle<v8::Context> utility_context = GetUtilityContext(); - if (utility_context.IsEmpty()) { - return String(); - } - v8::Context::Scope context_scope(utility_context); - v8::Handle<v8::Function> frame_source_name; - frame_source_name = v8::Local<v8::Function>::Cast( - utility_context->Global()->Get(v8::String::New("frame_source_name"))); - if (frame_source_name.IsEmpty()) { - return String(); - } - return ToWebCoreString(v8::Debug::Call(frame_source_name)); -} - -void V8Proxy::RegisterExtension(v8::Extension* extension, - const String& schemeRestriction) { - v8::RegisterExtension(extension); - V8ExtensionInfo info = {schemeRestriction, extension}; - m_extensions.push_back(info); -} - -bool V8Proxy::SetContextDebugId(int debug_id) { - ASSERT(debug_id > 0); - if (m_context.IsEmpty()) { - return false; - } - v8::HandleScope scope; - if (!m_context->GetData()->IsUndefined()) { - return false; - } - - v8::Handle<v8::Object> context_data = v8::Object::New(); - context_data->Set(v8::String::New(kContextDebugDataType), - v8::String::New("page")); - context_data->Set(v8::String::New(kContextDebugDataValue), - v8::Integer::New(debug_id)); - m_context->SetData(context_data); - return true; -} - -// static -int V8Proxy::GetContextDebugId(v8::Handle<v8::Context> context) { - v8::HandleScope scope; - if (!context->GetData()->IsObject()) { - return -1; - } - v8::Handle<v8::Value> data = context->GetData()->ToObject()->Get( - v8::String::New(kContextDebugDataValue)); - return data->IsInt32() ? data->Int32Value() : -1; -} - -} // namespace WebCore diff --git a/webkit/port/bindings/v8/v8_proxy.h b/webkit/port/bindings/v8/v8_proxy.h deleted file mode 100644 index fbb74f3..0000000 --- a/webkit/port/bindings/v8/v8_proxy.h +++ /dev/null @@ -1,673 +0,0 @@ -// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef V8_PROXY_H__ -#define V8_PROXY_H__ - -#include <v8.h> -#include "v8_utility.h" -#include "ChromiumBridge.h" -#include "Node.h" -#include "NodeFilter.h" -#include "PlatformString.h" // for WebCore::String -#include "ScriptSourceCode.h" // for WebCore::ScriptSourceCode -#include "SecurityOrigin.h" // for WebCore::SecurityOrigin -#include "V8CustomBinding.h" -#include "V8DOMMap.h" -#include "V8EventListenerList.h" -#include "V8Index.h" -#include <wtf/Assertions.h> -#include <wtf/PassRefPtr.h> // so generated bindings don't have to -#include <wtf/Vector.h> - -#include <iterator> -#include <list> - -#ifdef ENABLE_DOM_STATS_COUNTERS -#define INC_STATS(name) ChromiumBridge::incrementStatsCounter(name) -#else -#define INC_STATS(name) -#endif - -// FIXME: Remove the following hack when we replace all references to GetDOMObjectMap. -#define GetDOMObjectMap getDOMObjectMap - -namespace WebCore { - -class CSSStyleDeclaration; -class ClientRectList; -class DOMImplementation; -class Element; -class Event; -class EventListener; -class Frame; -class HTMLCollection; -class HTMLOptionsCollection; -class HTMLElement; -class HTMLDocument; -class MediaList; -class NamedNodeMap; -class Node; -class NodeList; -class Screen; -class String; -class StyleSheet; -class SVGElement; -class DOMWindow; -class Document; -class EventTarget; -class Event; -class EventListener; -class Navigator; -class MimeType; -class MimeTypeArray; -class Plugin; -class PluginArray; -class StyleSheetList; -class CSSValue; -class CSSRule; -class CSSRuleList; -class CSSValueList; -class NodeFilter; -class ScriptExecutionContext; - -#if ENABLE(DOM_STORAGE) -class Storage; -class StorageEvent; -#endif - -#if ENABLE(SVG) -class SVGElementInstance; -#endif - -class V8EventListener; -class V8ObjectEventListener; - - -// TODO(fqian): use standard logging facilities in WebCore. -void log_info(Frame* frame, const String& msg, const String& url); - - -#ifndef NDEBUG - -#define GlobalHandleTypeList(V) \ - V(PROXY) \ - V(NPOBJECT) \ - V(SCHEDULED_ACTION) \ - V(EVENT_LISTENER) \ - V(NODE_FILTER) \ - V(SCRIPTINSTANCE) \ - V(SCRIPTVALUE) - - -// Host information of persistent handles. -enum GlobalHandleType { -#define ENUM(name) name, - GlobalHandleTypeList(ENUM) -#undef ENUM -}; - - -class GlobalHandleInfo { - public: - GlobalHandleInfo(void* host, GlobalHandleType type) - : host_(host), type_(type) { } - void* host_; - GlobalHandleType type_; -}; - -#endif // NDEBUG - -// The following Batch structs and methods are used for setting multiple -// properties on an ObjectTemplate, used from the generated bindings -// initialization (ConfigureXXXTemplate). This greatly reduces the binary -// size by moving from code driven setup to data table driven setup. - -// BatchedAttribute translates into calls to SetAccessor() on either the -// instance or the prototype ObjectTemplate, based on |on_proto|. -struct BatchedAttribute { - const char* const name; - v8::AccessorGetter getter; - v8::AccessorSetter setter; - V8ClassIndex::V8WrapperType data; - v8::AccessControl settings; - v8::PropertyAttribute attribute; - bool on_proto; -}; - -void BatchConfigureAttributes(v8::Handle<v8::ObjectTemplate> inst, - v8::Handle<v8::ObjectTemplate> proto, - const BatchedAttribute* attrs, - size_t num_attrs); - -// BatchedConstant translates into calls to Set() for setting up an object's -// constants. It sets the constant on both the FunctionTemplate |desc| and the -// ObjectTemplate |proto|. PropertyAttributes is always ReadOnly. -struct BatchedConstant { - const char* const name; - int value; -}; - -void BatchConfigureConstants(v8::Handle<v8::FunctionTemplate> desc, - v8::Handle<v8::ObjectTemplate> proto, - const BatchedConstant* consts, - size_t num_consts); - -const int kMaxRecursionDepth = 20; - -// Information about an extension that is registered for use with V8. If scheme -// is non-empty, it contains the URL scheme the extension should be used with. -// Otherwise, the extension is used with all schemes. -struct V8ExtensionInfo { - String scheme; - v8::Extension* extension; -}; -typedef std::list<V8ExtensionInfo> V8ExtensionList; - -class V8Proxy { - public: - // The types of javascript errors that can be thrown. - enum ErrorType { - RANGE_ERROR, - REFERENCE_ERROR, - SYNTAX_ERROR, - TYPE_ERROR, - GENERAL_ERROR - }; - - explicit V8Proxy(Frame* frame) - : m_frame(frame), m_inlineCode(false), - m_timerCallback(false), m_recursion(0) { } - - ~V8Proxy(); - - Frame* frame() { return m_frame; } - - // Clear page-specific data, but keep the global object identify. - void clearForNavigation(); - - // Clear page-specific data before shutting down the proxy object. - void clearForClose(); - - // Update document object of the frame. - void updateDocument(); - - // Update the security origin of a document - // (e.g., after setting docoument.domain). - void updateSecurityOrigin(); - - // Destroy the global object. - void DestroyGlobal(); - - // TODO(mpcomplete): Need comment. User Gesture related. - bool inlineCode() const { return m_inlineCode; } - void setInlineCode(bool value) { m_inlineCode = value; } - - bool timerCallback() const { return m_timerCallback; } - void setTimerCallback(bool value) { m_timerCallback = value; } - - // Has the context for this proxy been initialized? - bool ContextInitialized(); - - // Disconnects the proxy from its owner frame, - // and clears all timeouts on the DOM window. - void disconnectFrame(); - - bool isEnabled(); - - // Find/Create/Remove event listener wrappers. - PassRefPtr<V8EventListener> FindV8EventListener(v8::Local<v8::Value> listener, - bool html); - PassRefPtr<V8EventListener> FindOrCreateV8EventListener(v8::Local<v8::Value> listener, - bool html); - - PassRefPtr<V8EventListener> FindObjectEventListener(v8::Local<v8::Value> listener, - bool html); - PassRefPtr<V8EventListener> FindOrCreateObjectEventListener(v8::Local<v8::Value> listener, - bool html); - - void RemoveV8EventListener(V8EventListener* listener); - void RemoveObjectEventListener(V8ObjectEventListener* listener); - - // Protect/Unprotect JS wrappers of a DOM object. - static void GCProtect(void* dom_object); - static void GCUnprotect(void* dom_object); - -#if ENABLE(SVG) - static void SetSVGContext(void* object, SVGElement* context); - static SVGElement* GetSVGContext(void* object); -#endif - - void setEventHandlerLineno(int lineno) { m_handlerLineno = lineno; } - void finishedWithEvent(Event* event) { } - - // Evaluate JavaScript in a new isolated world. The script gets its own - // global scope, its own prototypes for intrinsic JavaScript objects (String, - // Array, and so-on), and its own wrappers for all DOM nodes and DOM - // constructors. - void evaluateInNewWorld(const Vector<ScriptSourceCode>& sources); - - // Evaluate JavaScript in a new context. The script gets its own global scope - // and its own prototypes for intrinsic JavaScript objects (String, Array, - // and so-on). It shares the wrappers for all DOM nodes and DOM constructors. - void evaluateInNewContext(const Vector<ScriptSourceCode>& sources); - - // Evaluate a script file in the current execution environment. - // The caller must hold an execution context. - // If cannot evalute the script, it returns an error. - v8::Local<v8::Value> evaluate(const ScriptSourceCode& source, - Node* node); - - // Run an already compiled script. - v8::Local<v8::Value> RunScript(v8::Handle<v8::Script> script, - bool inline_code); - - // Call the function with the given receiver and arguments. - v8::Local<v8::Value> CallFunction(v8::Handle<v8::Function> function, - v8::Handle<v8::Object> receiver, - int argc, - v8::Handle<v8::Value> argv[]); - - // Call the function as constructor with the given arguments. - v8::Local<v8::Value> NewInstance(v8::Handle<v8::Function> constructor, - int argc, - v8::Handle<v8::Value> argv[]); - - // Returns the dom constructor function for the given node type. - v8::Local<v8::Function> GetConstructor(V8ClassIndex::V8WrapperType type); - - // To create JS Wrapper objects, we create a cache of a 'boiler plate' - // object, and then simply Clone that object each time we need a new one. - // This is faster than going through the full object creation process. - v8::Local<v8::Object> CreateWrapperFromCache(V8ClassIndex::V8WrapperType type); - - // Returns the window object of the currently executing context. - static DOMWindow* retrieveWindow(); - // Returns the window object associated with a context. - static DOMWindow* retrieveWindow(v8::Handle<v8::Context> context); - // Returns V8Proxy object of the currently executing context. - static V8Proxy* retrieve(); - // Returns V8Proxy object associated with a frame. - static V8Proxy* retrieve(Frame* frame); - // Returns V8Proxy object associated with a script execution context. - static V8Proxy* retrieve(ScriptExecutionContext* context); - - // Returns the frame object of the window object associated - // with the currently executing context. - static Frame* retrieveFrame(); - // Returns the frame object of the window object associated with - // a context. - static Frame* retrieveFrame(v8::Handle<v8::Context> context); - - - // The three functions below retrieve WebFrame instances relating the - // currently executing JavaScript. Since JavaScript can make function calls - // across frames, though, we need to be more precise. - // - // For example, imagine that a JS function in frame A calls a function in - // frame B, which calls native code, which wants to know what the 'active' - // frame is. - // - // The 'entered context' is the context where execution first entered the - // script engine; the context that is at the bottom of the JS function stack. - // RetrieveFrameForEnteredContext() would return Frame A in our example. - // This frame is often referred to as the "dynamic global object." - // - // The 'current context' is the context the JS engine is currently inside of; - // the context that is at the top of the JS function stack. - // RetrieveFrameForCurrentContext() would return Frame B in our example. - // This frame is often referred to as the "lexical global object." - // - // Finally, the 'calling context' is the context one below the current - // context on the JS function stack. For example, if function f calls - // function g, then the calling context will be the context associated with - // f. This context is commonly used by DOM security checks because they want - // to know who called them. - // - // If you are unsure which of these functions to use, ask abarth. - // - // NOTE: These cannot be declared as inline function, because VS complains at - // linking time. - static Frame* retrieveFrameForEnteredContext(); - static Frame* retrieveFrameForCurrentContext(); - static Frame* retrieveFrameForCallingContext(); - - // Returns V8 Context of a frame. If none exists, creates - // a new context. It is potentially slow and consumes memory. - static v8::Local<v8::Context> GetContext(Frame* frame); - static v8::Local<v8::Context> GetCurrentContext(); - - // If the current context causes out of memory, JavaScript setting - // is disabled and it returns true. - static bool HandleOutOfMemory(); - - // Check if the active execution context can access the target frame. - static bool CanAccessFrame(Frame* target, bool report_error); - - // Check if it is safe to access the given node from the - // current security context. - static bool CheckNodeSecurity(Node* node); - - static v8::Handle<v8::Value> CheckNewLegal(const v8::Arguments& args); - - // Create a V8 wrapper for a C pointer - static v8::Handle<v8::Value> WrapCPointer(void* cptr) { - // Represent void* as int - int addr = reinterpret_cast<int>(cptr); - ASSERT((addr & 0x01) == 0); // the address must be aligned. - return v8::Integer::New(addr >> 1); - } - - // Take C pointer out of a v8 wrapper - template <class C> - static C* ExtractCPointer(v8::Handle<v8::Value> obj) { - return static_cast<C*>(ExtractCPointerImpl(obj)); - } - - static v8::Handle<v8::Script> CompileScript(v8::Handle<v8::String> code, - const String& fileName, - int baseLine); - -#ifndef NDEBUG - // Checks if a v8 value can be a DOM wrapper - static bool MaybeDOMWrapper(v8::Handle<v8::Value> value); -#endif - - // Sets contents of a DOM wrapper. - static void SetDOMWrapper(v8::Handle<v8::Object> obj, int type, void* ptr); - - static v8::Handle<v8::Object> LookupDOMWrapper( - V8ClassIndex::V8WrapperType type, v8::Handle<v8::Value> value); - - // A helper function extract native object pointer from a DOM wrapper - // and cast to the specified type. - template <class C> - static C* DOMWrapperToNative(v8::Handle<v8::Value> object) { - ASSERT(MaybeDOMWrapper(object)); - v8::Handle<v8::Value> ptr = - v8::Handle<v8::Object>::Cast(object)->GetInternalField( - V8Custom::kDOMWrapperObjectIndex); - return ExtractCPointer<C>(ptr); - } - - // A help function extract a node type pointer from a DOM wrapper. - // Wrapped pointer must be cast to Node* first. - static void* DOMWrapperToNodeHelper(v8::Handle<v8::Value> value); - - template <class C> - static C* DOMWrapperToNode(v8::Handle<v8::Value> value) { - return static_cast<C*>(DOMWrapperToNodeHelper(value)); - } - - template<typename T> - static v8::Handle<v8::Value> ToV8Object(V8ClassIndex::V8WrapperType type, PassRefPtr<T> imp) - { - return ToV8Object(type, imp.get()); - } - static v8::Handle<v8::Value> ToV8Object(V8ClassIndex::V8WrapperType type, - void* imp); - // Fast-path for Node objects. - static v8::Handle<v8::Value> NodeToV8Object(Node* node); - - template <class C> - static C* ToNativeObject(V8ClassIndex::V8WrapperType type, - v8::Handle<v8::Value> object) { - return static_cast<C*>(ToNativeObjectImpl(type, object)); - } - - static V8ClassIndex::V8WrapperType GetDOMWrapperType( - v8::Handle<v8::Object> object); - - // If the exception code is different from zero, a DOM exception is - // schedule to be thrown. - static void SetDOMException(int exception_code); - - // Schedule an error object to be thrown. - static v8::Handle<v8::Value> ThrowError(ErrorType type, const char* message); - - // Create an instance of a function descriptor and set to the global object - // as a named property. Used by v8_test_shell. - static void BindJSObjectToWindow(Frame* frame, - const char* name, - int type, - v8::Handle<v8::FunctionTemplate> desc, - void* imp); - - static v8::Handle<v8::Value> EventToV8Object(Event* event); - static Event* ToNativeEvent(v8::Handle<v8::Value> jsevent) { - if (!IsDOMEventWrapper(jsevent)) return 0; - return DOMWrapperToNative<Event>(jsevent); - } - - static v8::Handle<v8::Value> EventTargetToV8Object(EventTarget* target); - // Wrap and unwrap JS event listeners - static v8::Handle<v8::Value> EventListenerToV8Object(EventListener* target); - - // DOMImplementation is a singleton and it is handled in a special - // way. A wrapper is generated per document and stored in an - // internal field of the document. - static v8::Handle<v8::Value> DOMImplementationToV8Object( - DOMImplementation* impl); - - // Wrap JS node filter in C++ - static PassRefPtr<NodeFilter> ToNativeNodeFilter(v8::Handle<v8::Value> filter); - - static v8::Persistent<v8::FunctionTemplate> GetTemplate( - V8ClassIndex::V8WrapperType type); - - template <int tag, typename T> - static v8::Handle<v8::Value> ConstructDOMObject(const v8::Arguments& args); - - // Checks whether a DOM object has a JS wrapper. - static bool DOMObjectHasJSWrapper(void* obj); - // Set JS wrapper of a DOM object, the caller in charge of increase ref. - static void SetJSWrapperForDOMObject(void* obj, - v8::Persistent<v8::Object> wrapper); - static void SetJSWrapperForActiveDOMObject(void* obj, - v8::Persistent<v8::Object> wrapper); - static void SetJSWrapperForDOMNode(Node* node, - v8::Persistent<v8::Object> wrapper); - - // Process any pending JavaScript console messages. - static void ProcessConsoleMessages(); - -#ifndef NDEBUG - // For debugging and leak detection purpose - static void RegisterGlobalHandle(GlobalHandleType type, - void* host, - v8::Persistent<v8::Value> handle); - static void UnregisterGlobalHandle(void* host, - v8::Persistent<v8::Value> handle); -#endif - - // Check whether a V8 value is a wrapper of type |classType|. - static bool IsWrapperOfType(v8::Handle<v8::Value> obj, - V8ClassIndex::V8WrapperType classType); - - // Function for retrieving the line number and source name for the top - // JavaScript stack frame. - static int GetSourceLineNumber(); - static String GetSourceName(); - - - // Returns a local handle of the context. - v8::Local<v8::Context> GetContext() { - return v8::Local<v8::Context>::New(m_context); - } - - bool SetContextDebugId(int id); - static int GetContextDebugId(v8::Handle<v8::Context> context); - - // Registers an extension to be available on webpages with a particular scheme - // If the scheme argument is empty, the extension is available on all pages. - // Will only affect v8 contexts initialized after this call. Takes ownership - // of the v8::Extension object passed. - static void RegisterExtension(v8::Extension* extension, - const String& schemeRestriction); - - static void* ToSVGPODTypeImpl(V8ClassIndex::V8WrapperType type, - v8::Handle<v8::Value> object); - - // TODO(abarth): Separate these concerns from V8Proxy? - v8::Persistent<v8::Context> createNewContext(v8::Handle<v8::Object> global); - bool installDOMWindow(v8::Handle<v8::Context> context, DOMWindow* window); - - private: - static const char* kContextDebugDataType; - static const char* kContextDebugDataValue; - - void InitContextIfNeeded(); - void DisconnectEventListeners(); - void SetSecurityToken(); - void ClearDocumentWrapper(); - void UpdateDocumentWrapper(v8::Handle<v8::Value> wrapper); - - // The JavaScript wrapper for the document object is cached on the global - // object for fast access. UpdateDocumentWrapperCache sets the wrapper - // for the current document on the global object. ClearDocumentWrapperCache - // deletes the document wrapper from the global object. - void UpdateDocumentWrapperCache(); - void ClearDocumentWrapperCache(); - - // Dispose global handles of m_contexts and friends. - void DisposeContextHandles(); - - static bool CanAccessPrivate(DOMWindow* target); - - // Check whether a V8 value is a DOM Event wrapper - static bool IsDOMEventWrapper(v8::Handle<v8::Value> obj); - - static void* ToNativeObjectImpl(V8ClassIndex::V8WrapperType type, - v8::Handle<v8::Value> object); - - // Take C pointer out of a v8 wrapper - static void* ExtractCPointerImpl(v8::Handle<v8::Value> obj) { - ASSERT(obj->IsNumber()); - int addr = obj->Int32Value(); - return reinterpret_cast<void*>(addr << 1); - } - - - static v8::Handle<v8::Value> StyleSheetToV8Object(StyleSheet* sheet); - static v8::Handle<v8::Value> CSSValueToV8Object(CSSValue* value); - static v8::Handle<v8::Value> CSSRuleToV8Object(CSSRule* rule); - // Returns the JS wrapper of a window object, initializes the environment - // of the window frame if needed. - static v8::Handle<v8::Value> WindowToV8Object(DOMWindow* window); - -#if ENABLE(SVG) - static v8::Handle<v8::Value> SVGElementInstanceToV8Object( - SVGElementInstance* instance); - static v8::Handle<v8::Value> SVGObjectWithContextToV8Object( - V8ClassIndex::V8WrapperType type, void* object); -#endif - - // Set hidden references in a DOMWindow object of a frame. - static void SetHiddenWindowReference(Frame* frame, - const int internal_index, - v8::Handle<v8::Object> jsobj); - - static V8ClassIndex::V8WrapperType GetHTMLElementType(HTMLElement* elm); - - // The first parameter, desc_type, specifies the function descriptor - // used to create JS object. The second parameter, cptr_type, specifies - // the type of third parameter, impl, for type casting. - // For example, a HTML element has HTMLELEMENT desc_type, but always - // use NODE as cptr_type. JS wrapper stores cptr_type and impl as - // internal fields. - static v8::Local<v8::Object> InstantiateV8Object( - V8ClassIndex::V8WrapperType desc_type, - V8ClassIndex::V8WrapperType cptr_type, - void* impl); - - static const char* GetRangeExceptionName(int exception_code); - static const char* GetEventExceptionName(int exception_code); - static const char* GetXMLHttpRequestExceptionName(int exception_code); - static const char* GetDOMExceptionName(int exception_code); - -#if ENABLE(XPATH) - static const char* GetXPathExceptionName(int exception_code); -#endif - -#if ENABLE(SVG) - static V8ClassIndex::V8WrapperType GetSVGElementType(SVGElement* elm); - static const char* GetSVGExceptionName(int exception_code); -#endif - - // Create and populate the utility context. - static void CreateUtilityContext(); - - // Returns a local handle of the utility context. - static v8::Local<v8::Context> GetUtilityContext() { - if (m_utilityContext.IsEmpty()) { - CreateUtilityContext(); - } - return v8::Local<v8::Context>::New(m_utilityContext); - } - - Frame* m_frame; - - v8::Persistent<v8::Context> m_context; - // For each possible type of wrapper, we keep a boilerplate object. - // The boilerplate is used to create additional wrappers of the same type. - // We keep a single persistent handle to an array of the activated - // boilerplates. - v8::Persistent<v8::Array> m_wrapper_boilerplates; - v8::Persistent<v8::Value> m_object_prototype; - - v8::Persistent<v8::Object> m_global; - v8::Persistent<v8::Value> m_document; - - // Utility context holding JavaScript functions used internally. - static v8::Persistent<v8::Context> m_utilityContext; - - int m_handlerLineno; - - // A list of event listeners created for this frame, - // the list gets cleared when removing all timeouts. - V8EventListenerList m_event_listeners; - - // A list of event listeners create for XMLHttpRequest object for this frame, - // the list gets cleared when removing all timeouts. - V8EventListenerList m_xhr_listeners; - - // True for <a href="javascript:foo()"> and false for <script>foo()</script>. - // Only valid during execution. - bool m_inlineCode; - - // True when executing from within a timer callback. Only valid during - // execution. - bool m_timerCallback; - - // Track the recursion depth to be able to avoid too deep recursion. The V8 - // engine allows much more recursion than KJS does so we need to guard against - // excessive recursion in the binding layer. - int m_recursion; - - // List of extensions registered with the context. - static V8ExtensionList m_extensions; -}; - -template <int tag, typename T> -v8::Handle<v8::Value> V8Proxy::ConstructDOMObject(const v8::Arguments& args) { - if (!args.IsConstructCall()) { - V8Proxy::ThrowError(V8Proxy::TYPE_ERROR, - "DOM object constructor cannot be called as a function."); - return v8::Undefined(); - } - - - // Note: it's OK to let this RefPtr go out of scope because we also call - // SetDOMWrapper(), which effectively holds a reference to obj. - RefPtr<T> obj = T::create(); - V8Proxy::SetDOMWrapper(args.Holder(), tag, obj.get()); - obj->ref(); - V8Proxy::SetJSWrapperForDOMObject( - obj.get(), v8::Persistent<v8::Object>::New(args.Holder())); - return args.Holder(); -} - -} // namespace WebCore - -#endif // V8_PROXY_H__ diff --git a/webkit/port/bindings/v8/v8_utility.h b/webkit/port/bindings/v8/v8_utility.h deleted file mode 100644 index a7c3325..0000000 --- a/webkit/port/bindings/v8/v8_utility.h +++ /dev/null @@ -1,68 +0,0 @@ -// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef V8_UTILITY_H__ -#define V8_UTILITY_H__ - -#include "V8Utilities.h" - -// To break a cycle dependency during upstreaming this block of code, -// ifdefing it out based on this #define. -// -// TODO(ajwong): After https://bugs.webkit.org/show_bug.cgi?id=25595 -// lands and is rolled down into chromium, migrate all headaers to use -// the code in V8Utilities.h directly, and then, remove this code. -#ifndef V8UTILITIES_DEFINED -namespace WebCore { - -class AllowAllocation { - public: - inline AllowAllocation() { - m_prev = m_current; - m_current = true; - } - inline ~AllowAllocation() { - m_current = m_prev; - } - static bool m_current; - private: - bool m_prev; -}; - -class SafeAllocation { - public: - static inline v8::Local<v8::Object> NewInstance( - v8::Handle<v8::Function> fun); - static inline v8::Local<v8::Object> NewInstance( - v8::Handle<v8::ObjectTemplate> templ); - static inline v8::Local<v8::Object> NewInstance( - v8::Handle<v8::Function> fun, int argc, v8::Handle<v8::Value> argv[]); -}; - -v8::Local<v8::Object> SafeAllocation::NewInstance( - v8::Handle<v8::Function> fun) { - if (fun.IsEmpty()) - return v8::Local<v8::Object>(); - AllowAllocation allow; - return fun->NewInstance(); -} - -v8::Local<v8::Object> SafeAllocation::NewInstance( - v8::Handle<v8::ObjectTemplate> templ) { - if (templ.IsEmpty()) return v8::Local<v8::Object>(); - AllowAllocation allow; - return templ->NewInstance(); -} - -v8::Local<v8::Object> SafeAllocation::NewInstance( - v8::Handle<v8::Function> fun, int argc, v8::Handle<v8::Value> argv[]) { - if (fun.IsEmpty()) return v8::Local<v8::Object>(); - AllowAllocation allow; - return fun->NewInstance(argc, argv); -} - -} // namespace WebCore -#endif // V8UTILITIES_DEFINED - -#endif // V8_UTILITY_H__ diff --git a/webkit/tools/test_shell/test_shell.cc b/webkit/tools/test_shell/test_shell.cc index caa450d..13a5e89 100644 --- a/webkit/tools/test_shell/test_shell.cc +++ b/webkit/tools/test_shell/test_shell.cc @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. -#include "v8_proxy.h" +#include "V8Proxy.h" #undef LOG #include "webkit/tools/test_shell/test_shell.h" @@ -183,7 +183,7 @@ void TestShell::Dump(TestShell* shell) { if ((shell == NULL) || ((params = shell->test_params()) == NULL)) return; - WebCore::V8Proxy::ProcessConsoleMessages(); + WebCore::V8Proxy::processConsoleMessages(); // Echo the url in the output so we know we're not getting out of sync. printf("#URL:%s\n", params->test_url.c_str()); diff --git a/webkit/webkit.gyp b/webkit/webkit.gyp index 598ebb3..ea3b0b8 100644 --- a/webkit/webkit.gyp +++ b/webkit/webkit.gyp @@ -1130,6 +1130,7 @@ '../third_party/WebKit/WebCore/bindings/v8/V8NodeFilterCondition.h', '../third_party/WebKit/WebCore/bindings/v8/V8ObjectEventListener.cpp', '../third_party/WebKit/WebCore/bindings/v8/V8ObjectEventListener.h', + '../third_party/WebKit/WebCore/bindings/v8/V8Proxy.cpp', '../third_party/WebKit/WebCore/bindings/v8/V8Proxy.h', '../third_party/WebKit/WebCore/bindings/v8/V8Utilities.cpp', '../third_party/WebKit/WebCore/bindings/v8/V8Utilities.h', @@ -1169,9 +1170,6 @@ 'port/bindings/v8/V8NPUtils.h', 'port/bindings/v8/V8NPObject.cpp', 'port/bindings/v8/V8NPObject.h', - 'port/bindings/v8/v8_proxy.cpp', - 'port/bindings/v8/v8_proxy.h', - 'port/bindings/v8/v8_utility.h', # This list contains every .cpp, .h, .m, and .mm file in the # subdirectories of ../third_party/WebKit/WebCore, excluding the |