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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 "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 "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::Page;
using WebCore::String;
using WebCore::V8ClassIndex;
using WebCore::V8Custom;
using WebCore::V8DOMWindow;
using WebCore::V8DOMWrapper;;
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),
profiler_log_position_(0) {
DebuggerAgentManager::DebugAttach(this);
}
DebuggerAgentImpl::~DebuggerAgentImpl() {
DebuggerAgentManager::DebugDetach(this);
}
void DebuggerAgentImpl::DebugBreak() {
DebuggerAgentManager::DebugBreak(this);
}
void DebuggerAgentImpl::GetContextId() {
delegate_->SetContextId(webdevtools_agent_->host_id());
}
void DebuggerAgentImpl::StartProfiling(int flags) {
v8::HandleScope scope;
WebCore::Frame* frame = GetPage()->mainFrame();
DCHECK(V8Proxy::retrieve(GetPage()->mainFrame())->isContextInitialized());
v8::Context::Scope context_scope(V8Proxy::context(frame));
v8::V8::ResumeProfilerEx(flags);
}
void DebuggerAgentImpl::StopProfiling(int flags) {
v8::V8::PauseProfilerEx(flags);
}
void DebuggerAgentImpl::GetActiveProfilerModules() {
delegate_->DidGetActiveProfilerModules(v8::V8::GetActiveProfilerModules());
}
void DebuggerAgentImpl::GetNextLogLines() {
static char buffer[65536];
int read_size = v8::V8::GetLogLines(
profiler_log_position_, buffer, sizeof(buffer) - 1);
profiler_log_position_ += read_size;
buffer[read_size] = '\0';
delegate_->DidGetNextLogLines(buffer);
}
void DebuggerAgentImpl::DebuggerOutput(const std::string& command) {
delegate_->DebuggerOutput(command);
webdevtools_agent_->ForceRepaint();
}
// static
void DebuggerAgentImpl::ResetUtilityContext(
Document* document,
v8::Persistent<v8::Context>* context) {
if (!context->IsEmpty()) {
context->Dispose();
context->Clear();
}
v8::HandleScope scope;
// 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::context(document->frame());
v8::Handle<v8::Object> window_global = window_context->Global();
v8::Handle<v8::Object> window_wrapper =
V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::DOMWINDOW, window_global);
ASSERT(V8DOMWrapper::convertDOMWrapperToNative<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 injectjs_webkit =
webkit_glue::GetDataResource(IDR_DEVTOOLS_INJECT_WEBKIT_JS);
v8::Script::Compile(
v8::String::New(injectjs_webkit.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();
StringPiece inject_dispatchjs = webkit_glue::GetDataResource(
IDR_DEVTOOLS_INJECT_DISPATCH_JS);
v8::Script::Compile(v8::String::New(
inject_dispatchjs.as_string().c_str()))->Run();
}
String DebuggerAgentImpl::ExecuteUtilityFunction(
v8::Handle<v8::Context> context,
const String &function_name,
const String& json_args,
String* exception) {
v8::HandleScope scope;
ASSERT(!context.IsEmpty());
if (context.IsEmpty()) {
*exception = "No window context.";
return "";
}
v8::Context::Scope context_scope(context);
DebuggerAgentManager::UtilityContextScope utility_scope;
v8::Handle<v8::Function> function = v8::Local<v8::Function>::Cast(
context->Global()->Get(v8::String::New("devtools$$dispatch")));
v8::Handle<v8::String> function_name_wrapper = v8::Handle<v8::String>(
v8::String::New(function_name.utf8().data()));
v8::Handle<v8::String> json_args_wrapper = v8::Handle<v8::String>(
v8::String::New(json_args.utf8().data()));
v8::Handle<v8::Value> args[] = {
function_name_wrapper,
json_args_wrapper
};
v8::TryCatch try_catch;
v8::Handle<v8::Value> res_obj = function->Call(context->Global(), 2, args);
if (try_catch.HasCaught()) {
*exception = WebCore::toWebCoreString(try_catch.Message()->Get());
return "";
} else {
return WebCore::toWebCoreStringWithNullCheck(res_obj);
}
}
WebCore::Page* DebuggerAgentImpl::GetPage() {
return web_view_impl_->page();
}
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