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1 // Copyright 2014 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_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | |
6 #define MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | |
7 | |
8 #include "media/base/media_export.h" | |
9 #include "media/blink/encrypted_media_player_support.h" | |
10 | |
11 namespace media { | |
12 | |
13 // A "null" implementation of the EncryptedMediaPlayerSupport interface | |
14 // that indicates all key systems are not supported. This makes sure that | |
15 // any attempts to play encrypted content always fail. | |
16 class MEDIA_EXPORT NullEncryptedMediaPlayerSupport | |
17 : public EncryptedMediaPlayerSupport { | |
18 public: | |
19 static scoped_ptr<media::EncryptedMediaPlayerSupport> Create( | |
scherkus (not reviewing)
2014/09/12 00:17:52
strip off media:: here and everywhere else
acolwell GONE FROM CHROMIUM
2014/09/12 16:46:02
Done.
| |
20 blink::WebMediaPlayerClient* client); | |
21 | |
22 virtual ~NullEncryptedMediaPlayerSupport(); | |
23 | |
24 // Prefixed API methods. | |
25 virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest( | |
26 blink::WebLocalFrame* frame, | |
27 const blink::WebString& key_system, | |
28 const unsigned char* init_data, | |
29 unsigned init_data_length) OVERRIDE; | |
30 | |
31 virtual blink::WebMediaPlayer::MediaKeyException AddKey( | |
32 const blink::WebString& key_system, | |
33 const unsigned char* key, | |
34 unsigned key_length, | |
35 const unsigned char* init_data, | |
36 unsigned init_data_length, | |
37 const blink::WebString& session_id) OVERRIDE; | |
38 | |
39 virtual blink::WebMediaPlayer::MediaKeyException CancelKeyRequest( | |
40 const blink::WebString& key_system, | |
41 const blink::WebString& session_id) OVERRIDE; | |
42 | |
43 | |
44 // Unprefixed API methods. | |
45 virtual void SetContentDecryptionModule( | |
46 blink::WebContentDecryptionModule* cdm) OVERRIDE; | |
47 virtual void SetContentDecryptionModule( | |
48 blink::WebContentDecryptionModule* cdm, | |
49 blink::WebContentDecryptionModuleResult result) OVERRIDE; | |
50 virtual void SetContentDecryptionModuleSync( | |
51 blink::WebContentDecryptionModule* cdm) OVERRIDE; | |
52 | |
53 | |
54 // Callback factory and notification methods used by WebMediaPlayerImpl. | |
55 | |
56 // Creates a callback that Demuxers can use to signal that the content | |
57 // requires a key. This method makes sure the callback returned can be safely | |
58 // invoked from any thread. | |
59 virtual Demuxer::NeedKeyCB CreateNeedKeyCB() OVERRIDE; | |
60 | |
61 // Creates a callback that renderers can use to set decryptor | |
62 // ready callback. This method makes sure the callback returned can be safely | |
63 // invoked from any thread. | |
64 virtual SetDecryptorReadyCB CreateSetDecryptorReadyCB() OVERRIDE; | |
65 | |
66 // Called to inform this object that the media pipeline encountered | |
67 // and handled a decryption error. | |
68 virtual void OnPipelineDecryptError() OVERRIDE; | |
69 | |
70 private: | |
71 NullEncryptedMediaPlayerSupport(); | |
72 | |
73 DISALLOW_COPY_AND_ASSIGN(NullEncryptedMediaPlayerSupport); | |
74 }; | |
75 | |
76 } // namespace media | |
77 | |
78 #endif // MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | |
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