// Copyright (c) 2011 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 "chrome/browser/extensions/extension_devtools_bridge.h" #include "base/json/json_writer.h" #include "base/message_loop.h" #include "base/string_util.h" #include "base/stringprintf.h" #include "base/values.h" #include "chrome/browser/debugger/devtools_manager.h" #include "chrome/browser/extensions/extension_devtools_events.h" #include "chrome/browser/extensions/extension_devtools_manager.h" #include "chrome/browser/extensions/extension_event_router.h" #include "chrome/browser/extensions/extension_tabs_module.h" #include "chrome/browser/profiles/profile.h" #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h" #include "chrome/common/devtools_messages.h" #include "content/browser/tab_contents/tab_contents.h" ExtensionDevToolsBridge::ExtensionDevToolsBridge(int tab_id, Profile* profile) : tab_id_(tab_id), profile_(profile), on_page_event_name_( ExtensionDevToolsEvents::OnPageEventNameForTab(tab_id)), on_tab_close_event_name_( ExtensionDevToolsEvents::OnTabCloseEventNameForTab(tab_id)) { extension_devtools_manager_ = profile_->GetExtensionDevToolsManager(); DCHECK(extension_devtools_manager_.get()); } ExtensionDevToolsBridge::~ExtensionDevToolsBridge() { } static std::string FormatDevToolsMessage(int id, const std::string& method) { DictionaryValue message; message.SetInteger("id", id); message.SetString("method", method); std::string json; base::JSONWriter::Write(&message, false, &json); return json; } bool ExtensionDevToolsBridge::RegisterAsDevToolsClientHost() { DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI); Browser* browser; TabStripModel* tab_strip; TabContentsWrapper* contents; int tab_index; if (ExtensionTabUtil::GetTabById(tab_id_, profile_, true, &browser, &tab_strip, &contents, &tab_index)) { DevToolsManager* devtools_manager = DevToolsManager::GetInstance(); if (devtools_manager->GetDevToolsClientHostFor(contents-> render_view_host()) != NULL) return false; devtools_manager->RegisterDevToolsClientHostFor( contents->render_view_host(), this); // Following messages depend on inspector protocol that is not yet // finalized. // 1. Report front-end is loaded. devtools_manager->ForwardToDevToolsAgent( this, DevToolsAgentMsg_FrontendLoaded()); // 2. Start timeline profiler. devtools_manager->ForwardToDevToolsAgent( this, DevToolsAgentMsg_DispatchOnInspectorBackend( FormatDevToolsMessage(2, "Timeline.start"))); // 3. Enable network resource tracking. devtools_manager->ForwardToDevToolsAgent( this, DevToolsAgentMsg_DispatchOnInspectorBackend( FormatDevToolsMessage(3, "Network.enable"))); return true; } return false; } void ExtensionDevToolsBridge::UnregisterAsDevToolsClientHost() { DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI); NotifyCloseListener(); } // If the tab we are looking at is going away then we fire a closing event at // the extension. void ExtensionDevToolsBridge::InspectedTabClosing() { DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI); // TODO(knorton): Remove this event in favor of the standard tabs.onRemoved // event in extensions. std::string json("[{}]"); profile_->GetExtensionEventRouter()->DispatchEventToRenderers( on_tab_close_event_name_, json, profile_, GURL()); // This may result in this object being destroyed. extension_devtools_manager_->BridgeClosingForTab(tab_id_); } void ExtensionDevToolsBridge::SendMessageToClient(const IPC::Message& msg) { IPC_BEGIN_MESSAGE_MAP(ExtensionDevToolsBridge, msg) IPC_MESSAGE_HANDLER(DevToolsClientMsg_DispatchOnInspectorFrontend, OnDispatchOnInspectorFrontend); IPC_MESSAGE_UNHANDLED_ERROR() IPC_END_MESSAGE_MAP() } void ExtensionDevToolsBridge::TabReplaced(TabContentsWrapper* new_tab) { DCHECK_EQ(profile_, new_tab->profile()); // We don't update the tab id as it needs to remain the same so that we can // properly unregister. } void ExtensionDevToolsBridge::OnDispatchOnInspectorFrontend( const std::string& data) { DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI); std::string json = base::StringPrintf("[%s]", data.c_str()); profile_->GetExtensionEventRouter()->DispatchEventToRenderers( on_page_event_name_, json, profile_, GURL()); }