| // Copyright 2014 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_WEB_CONTENTS_OBSERVER_H_ |
| #define CONTENT_BROWSER_MEDIA_MEDIA_WEB_CONTENTS_OBSERVER_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "base/containers/scoped_ptr_hash_map.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/web_contents_observer.h" |
| |
| namespace content { |
| |
| class BrowserCdmManager; |
| class BrowserMediaPlayerManager; |
| class RenderViewHost; |
| |
| // This class manages all RenderFrame based media related managers at the |
| // browser side. It receives IPC messages from media RenderFrameObservers and |
| // forwards them to the corresponding managers. The managers are responsible |
| // for sending IPCs back to the RenderFrameObservers at the render side. |
| class CONTENT_EXPORT MediaWebContentsObserver : public WebContentsObserver { |
| public: |
| explicit MediaWebContentsObserver(RenderViewHost* render_view_host); |
| virtual ~MediaWebContentsObserver(); |
| |
| // WebContentsObserver implementations. |
| virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; |
| |
| #if defined(OS_ANDROID) |
| virtual bool OnMessageReceived(const IPC::Message& message, |
| RenderFrameHost* render_frame_host) override; |
| |
| // Helper functions to handle media player IPC messages. Returns whether the |
| // |message| is handled in the function. |
| bool OnMediaPlayerMessageReceived(const IPC::Message& message, |
| RenderFrameHost* render_frame_host); |
| bool OnMediaPlayerSetCdmMessageReceived(const IPC::Message& message, |
| RenderFrameHost* render_frame_host); |
| |
| // Gets the media player manager associated with |render_frame_host|. Creates |
| // a new one if it doesn't exist. The caller doesn't own the returned pointer. |
| BrowserMediaPlayerManager* GetMediaPlayerManager( |
| RenderFrameHost* render_frame_host); |
| |
| void OnSetCdm(RenderFrameHost* render_frame_host, int player_id, int cdm_id); |
| |
| #if defined(VIDEO_HOLE) |
| void OnFrameInfoUpdated(); |
| #endif // defined(VIDEO_HOLE) |
| |
| private: |
| // Map from RenderFrameHost* to BrowserMediaPlayerManager. |
| typedef base::ScopedPtrHashMap<uintptr_t, BrowserMediaPlayerManager> |
| MediaPlayerManagerMap; |
| MediaPlayerManagerMap media_player_managers_; |
| #endif // defined(OS_ANDROID) |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(MediaWebContentsObserver); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_MEDIA_MEDIA_WEB_CONTENTS_OBSERVER_H_ |