chrome/browser/extensions/chrome_extension_web_contents_observer.h

   1 // Copyright 2014 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 #ifndef CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_WEB_CONTENTS_OBSERVER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_WEB_CONTENTS_OBSERVER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/strings/string16.h"
  10 #include "content/public/browser/web_contents_user_data.h"
  11 #include "extensions/browser/extension_web_contents_observer.h"
  12 #include "extensions/common/stack_frame.h"
  13
  14 namespace extensions {
  15 struct Message;
  16
  17 // An ExtensionWebContentsObserver that adds support for the extension error
  18 // console, reloading crashed extensions and routing extension messages between
  19 // renderers.
  20 class ChromeExtensionWebContentsObserver
  21     : public ExtensionWebContentsObserver,
  22       public content::WebContentsUserData<ChromeExtensionWebContentsObserver> {
  23  private:
  24   friend class content::WebContentsUserData<ChromeExtensionWebContentsObserver>;
  25
  26   explicit ChromeExtensionWebContentsObserver(
  27       content::WebContents* web_contents);
  28   virtual ~ChromeExtensionWebContentsObserver();
  29
  30   // content::WebContentsObserver overrides.
  31   virtual void RenderViewCreated(content::RenderViewHost* render_view_host)
  32       OVERRIDE;
  33   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  34
  35   // Routes a message to the extensions MessageService.
  36   void OnPostMessage(int port_id, const Message& message);
  37
  38   // Adds a message to the extensions ErrorConsole.
  39   void OnDetailedConsoleMessageAdded(const base::string16& message,
  40                                      const base::string16& source,
  41                                      const StackTrace& stack_trace,
  42                                      int32 severity_level);
  43
  44   // Reloads an extension if it is on the terminated list.
  45   void ReloadIfTerminated(content::RenderViewHost* render_view_host);
  46
  47   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionWebContentsObserver);
  48 };
  49
  50 }  // namespace extensions
  51
  52 #endif  // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_WEB_CONTENTS_OBSERVER_H_