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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 
12 namespace blink {
13 class WebURLLoader;
14 }
15 
16 namespace media {
17 
18 // Wraps an active WebURLLoader with some additional state.
19 //
20 // Handles deferring and deletion of loaders.
21 class 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);
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