chrome/browser/extensions/message_handler.cc

   1 // Copyright (c) 2012 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/message_handler.h"
   6
   7 #include "chrome/browser/extensions/api/messaging/message_service.h"
   8 #include "chrome/browser/extensions/extension_system.h"
   9 #include "chrome/browser/profiles/profile.h"
  10 #include "chrome/common/extensions/extension_messages.h"
  11 #include "content/public/browser/render_process_host.h"
  12 #include "content/public/browser/render_view_host.h"
  13 #include "content/public/browser/web_contents.h"
  14 #include "extensions/browser/view_type_utils.h"
  15
  16 using content::WebContents;
  17
  18 namespace extensions {
  19
  20 MessageHandler::MessageHandler(
  21     content::RenderViewHost* render_view_host)
  22     : content::RenderViewHostObserver(render_view_host) {
  23 }
  24
  25 MessageHandler::~MessageHandler() {
  26 }
  27
  28 bool MessageHandler::OnMessageReceived(
  29     const IPC::Message& message) {
  30   bool handled = true;
  31   IPC_BEGIN_MESSAGE_MAP(MessageHandler, message)
  32     IPC_MESSAGE_HANDLER(ExtensionHostMsg_PostMessage, OnPostMessage)
  33     IPC_MESSAGE_UNHANDLED(handled = false)
  34   IPC_END_MESSAGE_MAP()
  35   return handled;
  36 }
  37
  38 void MessageHandler::RenderViewHostInitialized() {
  39   WebContents* web_contents =
  40       WebContents::FromRenderViewHost(render_view_host());
  41   Send(new ExtensionMsg_NotifyRenderViewType(
  42       routing_id(), extensions::GetViewType(web_contents)));
  43 }
  44
  45 void MessageHandler::OnPostMessage(int port_id,
  46                                    const std::string& message) {
  47   Profile* profile = Profile::FromBrowserContext(
  48       render_view_host()->GetProcess()->GetBrowserContext());
  49   MessageService* message_service = MessageService::Get(profile);
  50   if (message_service) {
  51     message_service->PostMessage(port_id, message);
  52   }
  53 }
  54
  55 }  // namespace extensions