| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_HANDLER_H_ |
| #define CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_HANDLER_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/public/browser/web_ui_message_handler.h" |
| |
| namespace base { |
| class ListValue; |
| } |
| |
| namespace content { |
| class MediaInternalsProxy; |
| |
| // This class handles messages to and from MediaInternalsUI. |
| // It does all its work on the IO thread through the proxy below. |
| class MediaInternalsMessageHandler : public WebUIMessageHandler { |
| public: |
| MediaInternalsMessageHandler(); |
| virtual ~MediaInternalsMessageHandler(); |
| |
| // WebUIMessageHandler implementation. |
| virtual void RegisterMessages() OVERRIDE; |
| |
| // Javascript message handlers. |
| void OnGetEverything(const base::ListValue* list); |
| |
| // MediaInternals message handlers. |
| void OnUpdate(const base::string16& update); |
| |
| private: |
| scoped_refptr<MediaInternalsProxy> proxy_; |
| |
| // Reflects whether the chrome://media-internals HTML+JS has finished loading. |
| // If not, it's not safe to send JavaScript calls targeting the page yet. |
| bool page_load_complete_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MediaInternalsMessageHandler); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_HANDLER_H_ |