Log BufferedResourceLoader events to MediaLog.

webkit/glue/media/buffered_resource_loader.h

 // Copyright (c) 2011 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_GLUE_MEDIA_BUFFERED_RESOURCE_LOADER_H_
 #define WEBKIT_GLUE_MEDIA_BUFFERED_RESOURCE_LOADER_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "googleurl/src/gurl.h"
 #include "media/base/seekable_buffer.h"
 #include "net/base/file_stream.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLLoader.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLLoaderClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
 #include "webkit/glue/media/web_data_source.h"
 #include "webkit/glue/webmediaplayer_impl.h"
 
+namespace media {
+class MediaLog;
+}
+
 namespace webkit_glue {
 
 const int64 kPositionNotSpecified = -1;
 
 const char kHttpScheme[] = "http";
 const char kHttpsScheme[] = "https";
 const char kDataScheme[] = "data";
 
 // This class works inside demuxer thread and render thread. It contains a
 // WebURLLoader and does the actual resource loading. This object does
@@ skipping 14 matching lines @@
 
   typedef Callback0::Type NetworkEventCallback;
 
   // |url| - URL for the resource to be loaded.
   // |first_byte_position| - First byte to start loading from,
   // |kPositionNotSpecified| for not specified.
   // |last_byte_position| - Last byte to be loaded,
   // |kPositionNotSpecified| for not specified.
   BufferedResourceLoader(const GURL& url,
                          int64 first_byte_position,
-                         int64 last_byte_position);
+                         int64 last_byte_position,
+                         media::MediaLog* media_log);
 
   // Start the resource loading with the specified URL and range.
   // This method operates in asynchronous mode. Once there's a response from the
   // server, success or fail |callback| is called with the result.
   // |callback| is called with the following values:
   // - net::OK
   //   The request has started successfully.
   // - net::ERR_FAILED
   //   The request has failed because of an error with the network.
   // - net::ERR_INVALID_RESPONSE
@@ skipping 136 matching lines @@
   void DoneStart(int error);
 
   // Calls |event_callback_| in terms of a network event.
   void NotifyNetworkEvent();
 
   bool HasPendingRead() { return read_callback_.get() != NULL; }
 
   // Helper function that returns true if a range request was specified.
   bool IsRangeRequest() const;
 
+  // Log everything interesting to |media_log_|.
+  void Log();
+
   // A sliding window of buffer.
   scoped_ptr<media::SeekableBuffer> buffer_;
 
   // True if resource loading was deferred.
   bool deferred_;
 
   // Current buffering algorithm in place for resource loading.
   DeferStrategy defer_strategy_;
 
   // True if resource loading has completed.
@@ skipping 33 matching lines @@
   uint8* read_buffer_;
 
   // Offsets of the requested first byte and last byte in |buffer_|. They are
   // written by Read().
   int first_offset_;
   int last_offset_;
 
   // Used to ensure mocks for unittests are used instead of reset in Start().
   bool keep_test_loader_;
 
+  scoped_refptr<media::MediaLog> media_log_;
+
   DISALLOW_COPY_AND_ASSIGN(BufferedResourceLoader);
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_MEDIA_BUFFERED_RESOURCE_LOADER_H_