Generalize AesDecryptor to make it more spec compliant.

webkit/media/webmediaplayer_impl.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.
 
 // Delegate calls from WebCore::MediaPlayerPrivate to Chrome's video player.
 // It contains Pipeline which is the actual media player pipeline, it glues
 // the media player pipeline, data source, audio renderer and renderer.
 // Pipeline would creates multiple threads and access some public methods
 // of this class, so we need to be extra careful about concurrent access of
 // methods and members.
@@ skipping 30 matching lines @@
 // During tear down of the whole browser or a tab, the DOM tree may not be
 // destructed nicely, and there will be some dangling media threads trying to
 // the main thread, so we need this class to listen to destruction event of the
 // main thread and cleanup the media threads when the even is received. Also
 // at destruction of this class we will need to unhook it from destruction event
 // list of the main thread.
 
 #ifndef WEBKIT_MEDIA_WEBMEDIAPLAYER_IMPL_H_
 #define WEBKIT_MEDIA_WEBMEDIAPLAYER_IMPL_H_
 
+#include <string>
+
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "googleurl/src/gurl.h"
 #include "media/base/audio_renderer_sink.h"
 #include "media/base/filters.h"
 #include "media/base/message_loop_factory.h"
 #include "media/base/pipeline.h"
+#include "media/crypto/aes_decryptor.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebAudioSourceProvider.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayer.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayerClient.h"
 
 class RenderAudioSourceProvider;
 
 namespace WebKit {
 class WebAudioSourceProvider;
 class WebFrame;
@@ skipping 144 matching lines @@
                                    const unsigned char* key,
                                    unsigned key_length,
                                    const unsigned char* init_data,
                                    unsigned init_data_length,
                                    const WebKit::WebString& session_id);
 
   virtual MediaKeyException cancelKeyRequest(
       const WebKit::WebString& key_system,
       const WebKit::WebString& session_id);
 
-
   // As we are closing the tab or even the browser, |main_loop_| is destroyed
   // even before this object gets destructed, so we need to know when
   // |main_loop_| is being destroyed and we can stop posting repaint task
   // to it.
   virtual void WillDestroyCurrentMessageLoop() OVERRIDE;
 
   void Repaint();
 
   void OnPipelineInitialize(media::PipelineStatus status);
   void OnPipelineSeek(media::PipelineStatus status);
   void OnPipelineEnded(media::PipelineStatus status);
   void OnPipelineError(media::PipelineStatus error);
   void OnNetworkEvent(media::NetworkEvent type);
   void OnDemuxerOpened();
-  void OnKeyNeeded(scoped_array<uint8> init_data, int init_data_size);
+  void OnKeyAdded(const std::string& key_system, const std::string& session_id);
+  void OnKeyError(const std::string& key_system,
+                  const std::string& session_id,
+                  media::AesDecryptor::KeyError error_code,
+                  int system_code);
+  void OnKeyMessage(const std::string& key_system,
+                    const std::string& session_id,
+                    scoped_array<uint8> message,
+                    int message_length,
+                    const std::string& default_url);
+  void OnNeedKey(const std::string& key_system,
+                 const std::string& session_id,
+                 scoped_array<uint8> init_data,
+                 int init_data_size);
   void SetOpaque(bool);
 
  private:
   // Called after asynchronous initialization of a data source completed.
   void DataSourceInitialized(const GURL& gurl, media::PipelineStatus status);
 
   // Finishes starting the pipeline due to a call to load().
   void StartPipeline();
 
   // Helpers that set the network/ready state and notifies the client if
@@ skipping 83 matching lines @@
 
   // TODO(fischman): see TODO on bytesLoaded() above.
   mutable uint64 fake_bytes_loaded_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_WEBMEDIAPLAYER_IMPL_H_