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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 5 #ifndef MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
6 #define MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 6 #define MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
7 | 7 |
8 #include "media/base/media_export.h" | 8 #include "media/base/media_export.h" |
9 #include "media/blink/encrypted_media_player_support.h" | 9 #include "media/blink/encrypted_media_player_support.h" |
10 | 10 |
11 namespace media { | 11 namespace media { |
12 | 12 |
13 // A "null" implementation of the EncryptedMediaPlayerSupport interface | 13 // A "null" implementation of the EncryptedMediaPlayerSupport interface |
14 // that indicates all key systems are not supported. This makes sure that | 14 // that indicates all key systems are not supported. This makes sure that |
15 // any attempts to play encrypted content always fail. | 15 // any attempts to play encrypted content always fail. |
16 class MEDIA_EXPORT NullEncryptedMediaPlayerSupport | 16 class MEDIA_EXPORT NullEncryptedMediaPlayerSupport |
17 : public EncryptedMediaPlayerSupport { | 17 : public EncryptedMediaPlayerSupport { |
18 public: | 18 public: |
19 static scoped_ptr<EncryptedMediaPlayerSupport> Create( | 19 static scoped_ptr<EncryptedMediaPlayerSupport> Create( |
20 blink::WebMediaPlayerClient* client); | 20 blink::WebMediaPlayerClient* client); |
21 | 21 |
22 virtual ~NullEncryptedMediaPlayerSupport(); | 22 virtual ~NullEncryptedMediaPlayerSupport(); |
23 | 23 |
24 // Prefixed API methods. | 24 // Prefixed API methods. |
25 virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest( | 25 virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest( |
26 blink::WebLocalFrame* frame, | 26 blink::WebLocalFrame* frame, |
27 const blink::WebString& key_system, | 27 const blink::WebString& key_system, |
28 const unsigned char* init_data, | 28 const unsigned char* init_data, |
29 unsigned init_data_length) OVERRIDE; | 29 unsigned init_data_length) override; |
30 | 30 |
31 virtual blink::WebMediaPlayer::MediaKeyException AddKey( | 31 virtual blink::WebMediaPlayer::MediaKeyException AddKey( |
32 const blink::WebString& key_system, | 32 const blink::WebString& key_system, |
33 const unsigned char* key, | 33 const unsigned char* key, |
34 unsigned key_length, | 34 unsigned key_length, |
35 const unsigned char* init_data, | 35 const unsigned char* init_data, |
36 unsigned init_data_length, | 36 unsigned init_data_length, |
37 const blink::WebString& session_id) OVERRIDE; | 37 const blink::WebString& session_id) override; |
38 | 38 |
39 virtual blink::WebMediaPlayer::MediaKeyException CancelKeyRequest( | 39 virtual blink::WebMediaPlayer::MediaKeyException CancelKeyRequest( |
40 const blink::WebString& key_system, | 40 const blink::WebString& key_system, |
41 const blink::WebString& session_id) OVERRIDE; | 41 const blink::WebString& session_id) override; |
42 | 42 |
43 | 43 |
44 // Unprefixed API methods. | 44 // Unprefixed API methods. |
45 virtual void SetInitialContentDecryptionModule( | 45 virtual void SetInitialContentDecryptionModule( |
46 blink::WebContentDecryptionModule* initial_cdm) OVERRIDE; | 46 blink::WebContentDecryptionModule* initial_cdm) override; |
47 virtual void SetContentDecryptionModule( | 47 virtual void SetContentDecryptionModule( |
48 blink::WebContentDecryptionModule* cdm) OVERRIDE; | 48 blink::WebContentDecryptionModule* cdm) override; |
49 virtual void SetContentDecryptionModule( | 49 virtual void SetContentDecryptionModule( |
50 blink::WebContentDecryptionModule* cdm, | 50 blink::WebContentDecryptionModule* cdm, |
51 blink::WebContentDecryptionModuleResult result) OVERRIDE; | 51 blink::WebContentDecryptionModuleResult result) override; |
52 | 52 |
53 | 53 |
54 // Callback factory and notification methods used by WebMediaPlayerImpl. | 54 // Callback factory and notification methods used by WebMediaPlayerImpl. |
55 | 55 |
56 // Creates a callback that Demuxers can use to signal that the content | 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 | 57 // requires a key. This method makes sure the callback returned can be safely |
58 // invoked from any thread. | 58 // invoked from any thread. |
59 virtual Demuxer::NeedKeyCB CreateNeedKeyCB() OVERRIDE; | 59 virtual Demuxer::NeedKeyCB CreateNeedKeyCB() override; |
60 | 60 |
61 // Creates a callback that renderers can use to set decryptor | 61 // Creates a callback that renderers can use to set decryptor |
62 // ready callback. This method makes sure the callback returned can be safely | 62 // ready callback. This method makes sure the callback returned can be safely |
63 // invoked from any thread. | 63 // invoked from any thread. |
64 virtual SetDecryptorReadyCB CreateSetDecryptorReadyCB() OVERRIDE; | 64 virtual SetDecryptorReadyCB CreateSetDecryptorReadyCB() override; |
65 | 65 |
66 // Called to inform this object that the media pipeline encountered | 66 // Called to inform this object that the media pipeline encountered |
67 // and handled a decryption error. | 67 // and handled a decryption error. |
68 virtual void OnPipelineDecryptError() OVERRIDE; | 68 virtual void OnPipelineDecryptError() override; |
69 | 69 |
70 private: | 70 private: |
71 NullEncryptedMediaPlayerSupport(); | 71 NullEncryptedMediaPlayerSupport(); |
72 | 72 |
73 DISALLOW_COPY_AND_ASSIGN(NullEncryptedMediaPlayerSupport); | 73 DISALLOW_COPY_AND_ASSIGN(NullEncryptedMediaPlayerSupport); |
74 }; | 74 }; |
75 | 75 |
76 } // namespace media | 76 } // namespace media |
77 | 77 |
78 #endif // MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 78 #endif // MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
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