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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ | 5 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ |
6 #define MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ | 6 #define MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ |
7 | 7 |
8 namespace blink { | 8 namespace blink { |
9 class WebMediaPlayer; | 9 class WebMediaPlayer; |
10 } | 10 } |
11 namespace media { | 11 namespace media { |
12 | 12 |
| 13 enum class MediaContentType; |
| 14 |
13 // An interface to allow a WebMediaPlayer to communicate changes of state to | 15 // An interface to allow a WebMediaPlayer to communicate changes of state to |
14 // objects that need to know. | 16 // objects that need to know. |
15 class WebMediaPlayerDelegate { | 17 class WebMediaPlayerDelegate { |
16 public: | 18 public: |
17 class Observer { | 19 class Observer { |
18 public: | 20 public: |
19 // Called when the WebMediaPlayer enters the background or foreground | 21 // Called when the WebMediaPlayer enters the background or foreground |
20 // respectively. Note: Some implementations will stop playback when hidden, | 22 // respectively. Note: Some implementations will stop playback when hidden, |
21 // and thus subsequently call WebMediaPlayerDelegate::PlayerGone(). | 23 // and thus subsequently call WebMediaPlayerDelegate::PlayerGone(). |
22 virtual void OnHidden() = 0; | 24 virtual void OnHidden() = 0; |
(...skipping 21 matching lines...) Expand all Loading... |
44 // Subscribe or unsubscribe from observer callbacks respectively. A client | 46 // Subscribe or unsubscribe from observer callbacks respectively. A client |
45 // must use the delegate id returned by AddObserver() for all other calls. | 47 // must use the delegate id returned by AddObserver() for all other calls. |
46 virtual int AddObserver(Observer* observer) = 0; | 48 virtual int AddObserver(Observer* observer) = 0; |
47 virtual void RemoveObserver(int delegate_id) = 0; | 49 virtual void RemoveObserver(int delegate_id) = 0; |
48 | 50 |
49 // The specified player started playing media. | 51 // The specified player started playing media. |
50 virtual void DidPlay(int delegate_id, | 52 virtual void DidPlay(int delegate_id, |
51 bool has_video, | 53 bool has_video, |
52 bool has_audio, | 54 bool has_audio, |
53 bool is_remote, | 55 bool is_remote, |
54 base::TimeDelta duration) = 0; | 56 media::MediaContentType media_content_type) = 0; |
55 | 57 |
56 // The specified player stopped playing media. This may be called at any time | 58 // The specified player stopped playing media. This may be called at any time |
57 // with or without a DidPlay() having previously occurred. Calling this will | 59 // with or without a DidPlay() having previously occurred. Calling this will |
58 // cause the delegate to be registered for idle suspension. I.e., after some | 60 // cause the delegate to be registered for idle suspension. I.e., after some |
59 // time elapses without a DidPlay(), OnSuspendRequested() will be issued. | 61 // time elapses without a DidPlay(), OnSuspendRequested() will be issued. |
60 virtual void DidPause(int delegate_id, bool reached_end_of_stream) = 0; | 62 virtual void DidPause(int delegate_id, bool reached_end_of_stream) = 0; |
61 | 63 |
62 // The specified player was destroyed or suspended and will no longer accept | 64 // The specified player was destroyed or suspended and will no longer accept |
63 // Observer::OnPlay() or Observer::OnPause() calls. This may be called | 65 // Observer::OnPlay() or Observer::OnPause() calls. This may be called |
64 // multiple times in row. Note: Clients must still call RemoveObserver() to | 66 // multiple times in row. Note: Clients must still call RemoveObserver() to |
65 // unsubscribe from callbacks. | 67 // unsubscribe from callbacks. |
66 virtual void PlayerGone(int delegate_id) = 0; | 68 virtual void PlayerGone(int delegate_id) = 0; |
67 | 69 |
68 // Returns whether the render frame is currently hidden. | 70 // Returns whether the render frame is currently hidden. |
69 virtual bool IsHidden() = 0; | 71 virtual bool IsHidden() = 0; |
70 | 72 |
71 protected: | 73 protected: |
72 virtual ~WebMediaPlayerDelegate() {} | 74 virtual ~WebMediaPlayerDelegate() {} |
73 }; | 75 }; |
74 | 76 |
75 } // namespace media | 77 } // namespace media |
76 | 78 |
77 #endif // MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ | 79 #endif // MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ |
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