Add CORS-awareness to HTML5 media elements.

webkit/media/buffered_data_source.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_BUFFERED_DATA_SOURCE_H_
 #define WEBKIT_MEDIA_BUFFERED_DATA_SOURCE_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 17 matching lines @@
 // in-memory sliding window.
 //
 // BufferedDataSource must be created and initialized on the render thread
 // before being passed to other threads. It may be deleted on any thread.
 class BufferedDataSource : public media::DataSource {
  public:
   BufferedDataSource(MessageLoop* render_loop,
                      WebKit::WebFrame* frame,
                      media::MediaLog* media_log);
 
-  // Initialize this object using |url|. This object calls |status_cb| when
-  // initialization has completed.
+  // Initialize this object using |url| and |cors_mode|, and call |status_cb|
+  // when initialization has completed.
   //
   // Method called on the render thread.
-  void Initialize(const GURL& url,
-                  const media::PipelineStatusCB& status_cb);
+  void Initialize(
+      const GURL& url,
+      BufferedResourceLoader::CORSMode cors_mode,
+      const media::PipelineStatusCB& status_cb);
 
   // Adjusts the buffering algorithm based on the given preload value.
   void SetPreload(Preload preload);
 
   // Returns true if the media resource has a single origin, false otherwise.
   // Only valid to call after Initialize() has completed.
   //
   // Method called on the render thread.
   bool HasSingleOrigin();
 
@@ skipping 78 matching lines @@
   // Callback method for making a read request to BufferedResourceLoader.
   void ReadCallback(BufferedResourceLoader::Status status, int bytes_read);
 
   // Callback method when a network event is received.
   void NetworkEventCallback();
 
   void UpdateHostState_Locked();
 
   // URL of the resource requested.
   GURL url_;
+  // crossorigin attribute on the corresponding HTML media element, if any.
+  BufferedResourceLoader::CORSMode cors_mode_;
 
   // Members for total bytes of the requested object. It is written once on
   // render thread but may be read from any thread. However reading of this
   // member is guaranteed to happen after it is first written, so we don't
   // need to protect it.
   int64 total_bytes_;
   int64 buffered_bytes_;
 
   // This value will be true if this data source can only support streaming.
   // i.e. range request is not supported.
@@ skipping 64 matching lines @@
   float playback_rate_;
 
   scoped_refptr<media::MediaLog> media_log_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedDataSource);
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_BUFFERED_DATA_SOURCE_H_