extension_devtools_bridge.cc revision c407dc5cd9bdc5668497f21b26b09d988ab439de 
1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/extensions/extension_devtools_bridge.h"
6
7#include "base/message_loop.h"
8#include "base/string_util.h"
9#include "chrome/browser/debugger/devtools_manager.h"
10#include "chrome/browser/extensions/extension_devtools_events.h"
11#include "chrome/browser/extensions/extension_devtools_manager.h"
12#include "chrome/browser/extensions/extension_tabs_module.h"
13#include "chrome/browser/profile.h"
14#include "chrome/browser/tab_contents/tab_contents.h"
15#include "chrome/common/devtools_messages.h"
16
17ExtensionDevToolsBridge::ExtensionDevToolsBridge(int tab_id,
18                                                 Profile* profile)
19    : tab_id_(tab_id),
20      profile_(profile),
21      on_page_event_name_(
22          ExtensionDevToolsEvents::OnPageEventNameForTab(tab_id)),
23      on_tab_close_event_name_(
24          ExtensionDevToolsEvents::OnTabCloseEventNameForTab(tab_id)) {
25  extension_devtools_manager_ = profile_->GetExtensionDevToolsManager();
26  DCHECK(extension_devtools_manager_.get());
27}
28
29ExtensionDevToolsBridge::~ExtensionDevToolsBridge() {
30}
31
32bool ExtensionDevToolsBridge::RegisterAsDevToolsClientHost() {
33  DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
34
35  Browser* browser;
36  TabStripModel* tab_strip;
37  TabContents* contents;
38  int tab_index;
39  if (ExtensionTabUtil::GetTabById(tab_id_, profile_, true,
40                                   &browser, &tab_strip,
41                                   &contents, &tab_index)) {
42    DevToolsManager* devtools_manager = DevToolsManager::GetInstance();
43    devtools_manager->RegisterDevToolsClientHostFor(
44        contents->render_view_host(), this);
45    devtools_manager->ForwardToDevToolsAgent(
46        this,
47        DevToolsAgentMsg_SetApuAgentEnabled(true));
48    return true;
49  }
50  return false;
51}
52
53void ExtensionDevToolsBridge::UnregisterAsDevToolsClientHost() {
54  DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
55
56  NotifyCloseListener();
57}
58
59// If the tab we are looking at is going away then we fire a closing event at
60// the extension.
61void ExtensionDevToolsBridge::InspectedTabClosing() {
62  DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
63
64  // TODO(knorton): Remove this event in favor of the standard tabs.onRemoved
65  // event in extensions.
66  std::string json("[{}]");
67  profile_->GetExtensionMessageService()->DispatchEventToRenderers(
68      on_tab_close_event_name_, json, profile_->IsOffTheRecord(), GURL());
69
70  // This may result in this object being destroyed.
71  extension_devtools_manager_->BridgeClosingForTab(tab_id_);
72}
73
74void ExtensionDevToolsBridge::SendMessageToClient(const IPC::Message& msg) {
75  IPC_BEGIN_MESSAGE_MAP(ExtensionDevToolsBridge, msg)
76    IPC_MESSAGE_HANDLER(DevToolsClientMsg_RpcMessage, OnRpcMessage);
77    IPC_MESSAGE_UNHANDLED_ERROR()
78  IPC_END_MESSAGE_MAP()
79}
80
81static const char kApuAgentClassName[] = "ApuAgentDelegate";
82static const char kApuPageEventMessageName[] = "dispatchToApu";
83
84void ExtensionDevToolsBridge::OnRpcMessage(const DevToolsMessageData& data) {
85  DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
86
87  if (data.class_name == kApuAgentClassName
88      && data.method_name == kApuPageEventMessageName) {
89    std::string json = StringPrintf("[%s]", data.arguments[0].c_str());
90    profile_->GetExtensionMessageService()->DispatchEventToRenderers(
91        on_page_event_name_, json, profile_->IsOffTheRecord(), GURL());
92  }
93}
94
95