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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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