webkit/glue/media/web_data_source_factory.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef WEBKIT_GLUE_MEDIA_BUFFERED_DATA_SOURCE_FACTORY_H_
   6 #define WEBKIT_GLUE_MEDIA_BUFFERED_DATA_SOURCE_FACTORY_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "media/base/async_filter_factory_base.h"
  10 #include "webkit/glue/media/web_data_source.h"
  11
  12 class MessageLoop;
  13
  14 namespace media {
  15 class MediaLog;
  16 }
  17
  18 namespace WebKit {
  19 class WebFrame;
  20 }
  21
  22 namespace webkit_glue {
  23
  24 class WebDataSourceFactory : public media::AsyncDataSourceFactoryBase {
  25  public:
  26   typedef WebDataSource* (*FactoryFunction)(MessageLoop* render_loop,
  27                                             WebKit::WebFrame* frame,
  28                                             media::MediaLog* media_log);
  29
  30   WebDataSourceFactory(MessageLoop* render_loop, WebKit::WebFrame* frame,
  31                        media::MediaLog* media_log,
  32                        FactoryFunction factory_function,
  33                        const WebDataSourceBuildObserverHack& build_observer);
  34   virtual ~WebDataSourceFactory();
  35
  36   // DataSourceFactory method.
  37   virtual media::DataSourceFactory* Clone() const;
  38
  39  protected:
  40   // AsyncDataSourceFactoryBase methods.
  41   virtual bool AllowRequests() const;
  42   virtual AsyncDataSourceFactoryBase::BuildRequest* CreateRequest(
  43       const std::string& url, const BuildCallback& callback);
  44
  45  private:
  46   class BuildRequest;
  47
  48   MessageLoop* render_loop_;
  49   WebKit::WebFrame* frame_;
  50   scoped_refptr<media::MediaLog> media_log_;
  51   FactoryFunction factory_function_;
  52   WebDataSourceBuildObserverHack build_observer_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(WebDataSourceFactory);
  55 };
  56
  57 }  // namespace webkit_glue
  58
  59 #endif  // WEBKIT_GLUE_MEDIA_BUFFERED_DATA_SOURCE_FACTORY_H_