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// Copyright (c) 2009 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.
#include "config.h"
#include <wtf/HashSet.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include "Document.h"
#include "Frame.h"
#include "Node.h"
#include "Page.h"
#include "PageGroup.h"
#undef LOG
#include "grit/webkit_resources.h"
#include "V8Binding.h"
#include "V8DOMWindow.h"
#include "v8_index.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"
#include "webkit/glue/webdevtoolsagent_impl.h"
#include "webkit/glue/webkit_glue.h"
#include "webkit/glue/webview_impl.h"
using WebCore::DOMWindow;
using WebCore::Document;
using WebCore::Frame;
using WebCore::Node;
using WebCore::Page;
using WebCore::PageGroup;
using WebCore::String;
using WebCore::V8ClassIndex;
using WebCore::V8Custom;
using WebCore::V8DOMWindow;
using WebCore::V8Proxy;
DebuggerAgentImpl::DebuggerAgentImpl(
WebViewImpl* web_view_impl,
DebuggerAgentDelegate* delegate,
WebDevToolsAgentImpl* webdevtools_agent)
: web_view_impl_(web_view_impl),
delegate_(delegate),
webdevtools_agent_(webdevtools_agent) {
DebuggerAgentManager::DebugAttach(this);
}
DebuggerAgentImpl::~DebuggerAgentImpl() {
DebuggerAgentManager::DebugDetach(this);
}
void DebuggerAgentImpl::DebugBreak() {
DebuggerAgentManager::DebugBreak(this);
}
void DebuggerAgentImpl::DebuggerOutput(const std::string& command) {
delegate_->DebuggerOutput(command);
webdevtools_agent_->ForceRepaint();
}
void DebuggerAgentImpl::SetDocument(Document* document) {
v8::HandleScope scope;
if (!document) {
context_.Dispose();
return;
}
// 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());
v8::Handle<v8::Object> window_global = window_context->Global();
v8::Handle<v8::Value> window_wrapper =
V8Proxy::LookupDOMWrapper(V8ClassIndex::DOMWINDOW, window_global);
ASSERT(V8Proxy::DOMWrapperToNative<DOMWindow>(window_wrapper) ==
document->frame()->domWindow());
// Create a new environment using an empty template for the shadow
// object. Reuse the global object if one has been created earlier.
v8::Handle<v8::ObjectTemplate> global_template =
V8DOMWindow::GetShadowObjectTemplate();
// Install a security handler with V8.
global_template->SetAccessCheckCallbacks(
V8Custom::v8DOMWindowNamedSecurityCheck,
V8Custom::v8DOMWindowIndexedSecurityCheck,
v8::Integer::New(V8ClassIndex::DOMWINDOW));
context_ = v8::Context::New(
NULL /* no extensions */,
global_template,
v8::Handle<v8::Object>());
v8::Context::Scope context_scope(context_);
v8::Handle<v8::Object> global = context_->Global();
v8::Handle<v8::String> implicit_proto_string = v8::String::New("__proto__");
global->Set(implicit_proto_string, window_wrapper);
// Give the code running in the new context a way to get access to the
// original context.
global->Set(v8::String::New("contentWindow"), window_global);
// Inject javascript into the context.
StringPiece basejs = webkit_glue::GetDataResource(IDR_DEVTOOLS_BASE_JS);
v8::Script::Compile(v8::String::New(basejs.as_string().c_str()))->Run();
StringPiece jsonjs = webkit_glue::GetDataResource(IDR_DEVTOOLS_JSON_JS);
v8::Script::Compile(v8::String::New(jsonjs.as_string().c_str()))->Run();
StringPiece injectjs = webkit_glue::GetDataResource(IDR_DEVTOOLS_INJECT_JS);
v8::Script::Compile(v8::String::New(injectjs.as_string().c_str()))->Run();
}
String DebuggerAgentImpl::ExecuteUtilityFunction(
const String &function_name,
Node* node,
const String& json_args) {
v8::HandleScope scope;
ASSERT(!context_.IsEmpty());
v8::Context::Scope context_scope(context_);
v8::Handle<v8::Function> function = v8::Local<v8::Function>::Cast(
context_->Global()->Get(v8::String::New(function_name.utf8().data())));
v8::Handle<v8::Value> node_wrapper =
V8Proxy::ToV8Object(V8ClassIndex::NODE, node);
v8::Handle<v8::String> json_args_wrapper = v8::Handle<v8::String>(
v8::String::New(json_args.utf8().data()));
v8::Handle<v8::Value> args[] = {
node_wrapper,
json_args_wrapper
};
v8::Handle<v8::Value> res_obj = function->Call(
context_->Global(), 2, args);
v8::Handle<v8::String> res_json = v8::Handle<v8::String>::Cast(res_obj);
return WebCore::toWebCoreString(res_json);
}
void DebuggerAgentImpl::RunWithDeferredMessages(
const HashSet<DebuggerAgentImpl*>& agents,
WebDevToolsAgent::MessageLoopDispatchHandler handler) {
// TODO(pfeldman): Make PageGroupLoadDeferrer visible and use it from here.
// Code below is derived from the Chrome.cpp's PageGroupLoadDeferrer:
// 1. Disable active objects and input events.
Vector<RefPtr<Frame>, 16> deferred_frames;
for (HashSet<DebuggerAgentImpl*>::const_iterator ag_it = agents.begin();
ag_it != agents.end(); ++ag_it) {
DebuggerAgentImpl* agent = *ag_it;
agent->web_view()->SetIgnoreInputEvents(true);
const HashSet<Page*>& pages = agent->GetPage()->group().pages();
HashSet<Page*>::const_iterator end = pages.end();
for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) {
Page* other_page = *it;
if (!other_page->defersLoading()) {
deferred_frames.append(other_page->mainFrame());
#if !PLATFORM(MAC)
for (Frame* frame = other_page->mainFrame(); frame;
frame = frame->tree()->traverseNext()) {
frame->document()->suspendActiveDOMObjects();
}
#endif
}
}
}
// 2. Disable loading.
size_t count = deferred_frames.size();
for (size_t i = 0; i < count; ++i) {
if (Page* page = deferred_frames[i]->page()) {
page->setDefersLoading(true);
}
}
// 3. Process messages.
handler();
// 4. Bring things back.
for (size_t i = 0; i < deferred_frames.size(); ++i) {
if (Page* page = deferred_frames[i]->page()) {
page->setDefersLoading(false);
#if !PLATFORM(MAC)
for (Frame* frame = page->mainFrame(); frame; frame =
frame->tree()->traverseNext()) {
frame->document()->resumeActiveDOMObjects();
}
#endif
}
}
for (HashSet<DebuggerAgentImpl*>::const_iterator ag_it = agents.begin();
ag_it != agents.end(); ++ag_it) {
(*ag_it)->web_view()->SetIgnoreInputEvents(false);
}
}
WebCore::Page* DebuggerAgentImpl::GetPage() {
return web_view_impl_->page();
}
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