Update media duration if data is appended after the previous duration

webkit/media/webmediaplayer_proxy.h

 // Copyright (c) 2012 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 WEBKIT_MEDIA_WEBMEDIAPLAYER_PROXY_H_
 #define WEBKIT_MEDIA_WEBMEDIAPLAYER_PROXY_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 69 matching lines @@
   bool HasSingleOrigin();
   bool DidPassCORSAccessCheck() const;
 
   void AbortDataSource();
 
   // Methods for Pipeline -> WebMediaPlayerImpl communication.
   void PipelineInitializationCallback(media::PipelineStatus status);
   void PipelineSeekCallback(media::PipelineStatus status);
   void PipelineEndedCallback(media::PipelineStatus status);
   void PipelineErrorCallback(media::PipelineStatus error);
+  void PipelineDurationChangedCallback();
 
   // ChunkDemuxerClient implementation.
   virtual void DemuxerOpened(media::ChunkDemuxer* demuxer) OVERRIDE;
   virtual void DemuxerClosed() OVERRIDE;
   virtual void DemuxerNeedKey(scoped_array<uint8> init_data,
                               int init_data_size) OVERRIDE;
 
   // Methods for Demuxer communication.
   void DemuxerStartWaitingForSeek();
   media::ChunkDemuxer::Status DemuxerAddId(const std::string& id,
@@ skipping 34 matching lines @@
 
   // Notify |webmediaplayer_| that initialization has finished.
   void PipelineInitializationTask(media::PipelineStatus status);
 
   // Notify |webmediaplayer_| that a seek has finished.
   void PipelineSeekTask(media::PipelineStatus status);
 
   // Notify |webmediaplayer_| that the media has ended.
   void PipelineEndedTask(media::PipelineStatus status);
 
+  // Notify |webmediaplayer_| that the media has a new duration.
+  void PipelineDurationChangedTask();
+
   // Notify |webmediaplayer_| that a pipeline error has occurred during
   // playback.
   void PipelineErrorTask(media::PipelineStatus error);
 
   // Inform |webmediaplayer_| whether the video content is opaque.
   void SetOpaqueTask(bool opaque);
 
   void DemuxerOpenedTask(const scoped_refptr<media::ChunkDemuxer>& demuxer);
   void DemuxerClosedTask();
 
@@ skipping 33 matching lines @@
   int outstanding_repaints_;
 
   scoped_refptr<media::ChunkDemuxer> chunk_demuxer_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebMediaPlayerProxy);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_WEBMEDIAPLAYER_PROXY_H_