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 struct Message; 20 21 // An ExtensionWebContentsObserver that adds support for the extension error 22 // console, reloading crashed extensions and routing extension messages between 23 // renderers. 24 class ChromeExtensionWebContentsObserver 25 : public ExtensionWebContentsObserver, 26 public content::WebContentsUserData<ChromeExtensionWebContentsObserver> { 27 private: 28 friend class content::WebContentsUserData<ChromeExtensionWebContentsObserver>; 29 30 explicit ChromeExtensionWebContentsObserver( 31 content::WebContents* web_contents); 32 virtual ~ChromeExtensionWebContentsObserver(); 33 34 // content::WebContentsObserver overrides. 35 virtual void RenderViewCreated(content::RenderViewHost* render_view_host) 36 OVERRIDE; 37 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 38 virtual bool OnMessageReceived( 39 const IPC::Message& message, 40 content::RenderFrameHost* render_frame_host) OVERRIDE; 41 42 // Routes a message to the extensions MessageService. 43 void OnPostMessage(int port_id, const Message& message); 44 45 // Adds a message to the extensions ErrorConsole. 46 void OnDetailedConsoleMessageAdded(const base::string16& message, 47 const base::string16& source, 48 const StackTrace& stack_trace, 49 int32 severity_level); 50 51 // Reloads an extension if it is on the terminated list. 52 void ReloadIfTerminated(content::RenderViewHost* render_view_host); 53 54 DISALLOW_COPY_AND_ASSIGN(ChromeExtensionWebContentsObserver); 55 }; 56 57 } // namespace extensions 58 59 #endif // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_WEB_CONTENTS_OBSERVER_H_ 60