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 14namespace content { 15class RenderFrameHost; 16} 17 18namespace extensions { 19 20// An ExtensionWebContentsObserver that adds support for the extension error 21// console, reloading crashed extensions and routing extension messages between 22// renderers. 23class 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 virtual ~ChromeExtensionWebContentsObserver(); 32 33 // content::WebContentsObserver overrides. 34 virtual void RenderViewCreated(content::RenderViewHost* render_view_host) 35 OVERRIDE; 36 virtual bool OnMessageReceived( 37 const IPC::Message& message, 38 content::RenderFrameHost* render_frame_host) OVERRIDE; 39 40 // Adds a message to the extensions ErrorConsole. 41 void OnDetailedConsoleMessageAdded(const base::string16& message, 42 const base::string16& source, 43 const StackTrace& stack_trace, 44 int32 severity_level); 45 46 // Reloads an extension if it is on the terminated list. 47 void ReloadIfTerminated(content::RenderViewHost* render_view_host); 48 49 DISALLOW_COPY_AND_ASSIGN(ChromeExtensionWebContentsObserver); 50}; 51 52} // namespace extensions 53 54#endif // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_WEB_CONTENTS_OBSERVER_H_ 55