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1 // Copyright 2016 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_BASE_MEDIA_OBSERVER_H_ | |
6 #define MEDIA_BASE_MEDIA_OBSERVER_H_ | |
7 | |
8 #include "media/base/cdm_context.h" | |
9 #include "media/base/pipeline_metadata.h" | |
10 | |
11 namespace media { | |
12 | |
13 // This class is an observer of media player events. | |
14 class MEDIA_EXPORT MediaObserver { | |
15 public: | |
16 MediaObserver(); | |
17 virtual ~MediaObserver(); | |
18 | |
19 // Called when the media element or its ancestor is entered/exited fullscreen. | |
foolip
2016/10/10 08:35:22
Stray "is"
xjz
2016/10/10 19:31:02
Done.
| |
20 virtual void OnEnteredFullscreen() = 0; | |
21 virtual void OnExitedFullscreen() = 0; | |
22 | |
23 // Called when CDM is attached to the media element. The |cdm_context| is | |
24 // only guaranteed to be valid in this call. | |
25 virtual void OnSetCdm(CdmContext* cdm_context) = 0; | |
26 | |
27 // Called after demuxer is initialized. | |
28 virtual void OnMetadataChanged(const PipelineMetadata& metadata) = 0; | |
29 }; | |
30 | |
31 } // namespace media | |
32 | |
33 #endif // MEDIA_BASE_MEDIA_OBSERVER_H_ | |
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