Split media::DemuxerAndroid implementation of BrowserMediaPlayerManager to BrowserDemuxerAndroid.

content/browser/android/browser_demuxer_android.h

+// Copyright 2013 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_ANDROID_BROWSER_DEMUXER_ANDROID_H_
+#define CONTENT_BROWSER_ANDROID_BROWSER_DEMUXER_ANDROID_H_
+
+#include "base/id_map.h"
+#include "content/public/browser/render_view_host_observer.h"
+#include "media/base/android/demuxer_android.h"
+
+namespace content {
+
+// Represents the browser process half of an IPC-based implementation of
+// media::DemuxerAndroid.
+class CONTENT_EXPORT BrowserDemuxerAndroid
+    : public RenderViewHostObserver,
+      public media::DemuxerAndroid {
+ public:
+  explicit BrowserDemuxerAndroid(RenderViewHost* rvh);
+  virtual ~BrowserDemuxerAndroid();
+
+  // RenderViewHostObserver overrides.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+  // media::DemuxerAndroid implementation.
+  virtual void AddDemuxerClient(int demuxer_client_id,
+                                media::DemuxerAndroidClient* client) OVERRIDE;
+  virtual void RemoveDemuxerClient(int demuxer_client_id) OVERRIDE;
+  virtual void RequestDemuxerConfigs(int demuxer_client_id) OVERRIDE;
+  virtual void RequestDemuxerData(int demuxer_client_id,
+                                  media::DemuxerStream::Type type) OVERRIDE;
+  virtual void RequestDemuxerSeek(int demuxer_client_id,
+                                  base::TimeDelta time_to_seek,
+                                  unsigned seek_request_id) OVERRIDE;
+
+ private:
+  void OnDemuxerReady(int demuxer_client_id,
+                      const media::DemuxerConfigs& configs);
+  void OnReadFromDemuxerAck(int demuxer_client_id,
+                            const media::DemuxerData& data);
+  void OnMediaSeekRequestAck(int demuxer_client_id, unsigned seek_request_id);
+  void OnDurationChanged(int demuxer_client_id,
+                         const base::TimeDelta& duration);
+
+  IDMap<media::DemuxerAndroidClient> demuxer_clients_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserDemuxerAndroid);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ANDROID_BROWSER_DEMUXER_ANDROID_H_