1// Copyright 2013 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 MEDIA_BLINK_ACTIVE_LOADER_H_ 6#define MEDIA_BLINK_ACTIVE_LOADER_H_ 7 8#include "base/basictypes.h" 9#include "base/memory/scoped_ptr.h" 10#include "media/base/media_export.h" 11 12namespace blink { 13class WebURLLoader; 14} 15 16namespace media { 17 18// Wraps an active WebURLLoader with some additional state. 19// 20// Handles deferring and deletion of loaders. 21class MEDIA_EXPORT ActiveLoader { 22 public: 23 // Creates an ActiveLoader with the given loader. It is assumed that the 24 // initial state of |loader| is loading and not deferred. 25 explicit ActiveLoader(scoped_ptr<blink::WebURLLoader> loader); 26 ~ActiveLoader(); 27 28 // Starts or stops deferring the resource load. 29 void SetDeferred(bool deferred); 30 bool deferred() { return deferred_; } 31 32 private: 33 friend class BufferedDataSourceTest; 34 35 scoped_ptr<blink::WebURLLoader> loader_; 36 bool deferred_; 37 38 DISALLOW_IMPLICIT_CONSTRUCTORS(ActiveLoader); 39}; 40 41} // namespace media 42 43#endif // MEDIA_BLINK_ACTIVE_LOADER_H_ 44