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 content {
  15 class RenderFrameHost;
  16 }
  17
  18 namespace extensions {
  19
  20 // An ExtensionWebContentsObserver that adds support for the extension error
  21 // console, reloading crashed extensions and routing extension messages between
  22 // renderers.
  23 class ChromeExtensionWebContentsObserver
  24     : public ExtensionWebContentsObserver,
  25       public content::WebContentsUserData<ChromeExtensionWebContentsObserver> {
  26  private:
  27   friend class content::WebContentsUserData<ChromeExtensionWebContentsObserver>;
  28
  29   explicit ChromeExtensionWebContentsObserver(
  30       content::WebContents* web_contents);
  31   ~ChromeExtensionWebContentsObserver() override;
  32
  33   // ExtensionWebContentsObserver:
  34   void InitializeRenderFrame(
  35       content::RenderFrameHost* render_frame_host) override;
  36
  37   // content::WebContentsObserver overrides.
  38   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
  39
  40   // Silence a warning about hiding a virtual function.
  41   bool OnMessageReceived(const IPC::Message& message,
  42                          content::RenderFrameHost* render_frame_host) override;
  43
  44   // Adds a message to the extensions ErrorConsole.
  45   void OnDetailedConsoleMessageAdded(const base::string16& message,
  46                                      const base::string16& source,
  47                                      const StackTrace& stack_trace,
  48                                      int32 severity_level);
  49
  50   // Reloads an extension if it is on the terminated list.
  51   void ReloadIfTerminated(content::RenderViewHost* render_view_host);
  52
  53   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionWebContentsObserver);
  54 };
  55
  56 }  // namespace extensions
  57
  58 #endif  // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_WEB_CONTENTS_OBSERVER_H_