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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 HTMLMediaElementEncryptedMedia_h | 5 #ifndef HTMLMediaElementEncryptedMedia_h |
6 #define HTMLMediaElementEncryptedMedia_h | 6 #define HTMLMediaElementEncryptedMedia_h |
7 | 7 |
8 #include "core/EventTypeNames.h" | 8 #include "core/EventTypeNames.h" |
9 #include "core/dom/DOMTypedArray.h" | 9 #include "core/dom/DOMTypedArray.h" |
10 #include "core/events/EventTarget.h" | 10 #include "core/events/EventTarget.h" |
11 #include "modules/ModulesExport.h" | 11 #include "modules/ModulesExport.h" |
12 #include "platform/Supplementable.h" | 12 #include "platform/Supplementable.h" |
13 #include "platform/heap/Handle.h" | 13 #include "platform/heap/Handle.h" |
14 #include "public/platform/WebEncryptedMediaTypes.h" | 14 #include "public/platform/WebEncryptedMediaTypes.h" |
15 #include "public/platform/WebMediaPlayerClient.h" | 15 #include "public/platform/WebMediaPlayerEncryptedMediaClient.h" |
16 | 16 |
17 namespace blink { | 17 namespace blink { |
18 | 18 |
19 class ExceptionState; | 19 class ExceptionState; |
20 class HTMLMediaElement; | 20 class HTMLMediaElement; |
21 class MediaKeys; | 21 class MediaKeys; |
22 class ScriptPromise; | 22 class ScriptPromise; |
23 class ScriptState; | 23 class ScriptState; |
| 24 class WebContentDecryptionModule; |
| 25 class WebMediaPlayer; |
24 | 26 |
25 class MODULES_EXPORT HTMLMediaElementEncryptedMedia final : public NoBaseWillBeG
arbageCollected<HTMLMediaElementEncryptedMedia>, public WillBeHeapSupplement<HTM
LMediaElement> { | 27 class MODULES_EXPORT HTMLMediaElementEncryptedMedia final : public NoBaseWillBeG
arbageCollected<HTMLMediaElementEncryptedMedia>, public WillBeHeapSupplement<HTM
LMediaElement>, public WebMediaPlayerEncryptedMediaClient { |
26 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLMediaElementEncryptedMedia); | 28 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLMediaElementEncryptedMedia); |
27 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(HTMLMediaElementEncryptedMedia); | 29 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(HTMLMediaElementEncryptedMedia); |
28 public: | 30 public: |
29 // encrypted media extensions (v0.1b) | 31 // encrypted media extensions (v0.1b) |
30 static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySys
tem, PassRefPtr<DOMUint8Array> initData, ExceptionState&); | 32 static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySys
tem, PassRefPtr<DOMUint8Array> initData, ExceptionState&); |
31 static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySys
tem, ExceptionState&); | 33 static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySys
tem, ExceptionState&); |
32 static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRef
Ptr<DOMUint8Array> key, PassRefPtr<DOMUint8Array> initData, const String& sessio
nId, ExceptionState&); | 34 static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRef
Ptr<DOMUint8Array> key, PassRefPtr<DOMUint8Array> initData, const String& sessio
nId, ExceptionState&); |
33 static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRef
Ptr<DOMUint8Array> key, ExceptionState&); | 35 static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRef
Ptr<DOMUint8Array> key, ExceptionState&); |
34 static void webkitCancelKeyRequest(HTMLMediaElement&, const String& keySyste
m, const String& sessionId, ExceptionState&); | 36 static void webkitCancelKeyRequest(HTMLMediaElement&, const String& keySyste
m, const String& sessionId, ExceptionState&); |
35 | 37 |
36 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyadded); | 38 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyadded); |
37 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyerror); | 39 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyerror); |
38 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeymessage); | 40 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeymessage); |
39 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitneedkey); | 41 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitneedkey); |
40 | 42 |
41 // encrypted media extensions (WD) | 43 // encrypted media extensions (WD) |
42 static MediaKeys* mediaKeys(HTMLMediaElement&); | 44 static MediaKeys* mediaKeys(HTMLMediaElement&); |
43 static ScriptPromise setMediaKeys(ScriptState*, HTMLMediaElement&, MediaKeys
*); | 45 static ScriptPromise setMediaKeys(ScriptState*, HTMLMediaElement&, MediaKeys
*); |
44 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(encrypted); | 46 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(encrypted); |
45 | 47 |
46 static void keyAdded(HTMLMediaElement&, const String& keySystem, const Strin
g& sessionId); | 48 // WebMediaPlayerEncryptedMediaClient methods |
47 static void keyError(HTMLMediaElement&, const String& keySystem, const Strin
g& sessionId, WebMediaPlayerClient::MediaKeyErrorCode, unsigned short systemCode
); | 49 virtual void keyAdded(const WebString& keySystem, const WebString& sessionId
) override final; |
48 static void keyMessage(HTMLMediaElement&, const String& keySystem, const Str
ing& sessionId, const unsigned char* message, unsigned messageLength, const WebU
RL& defaultURL); | 50 virtual void keyError(const WebString& keySystem, const WebString& sessionId
, WebMediaPlayerEncryptedMediaClient::MediaKeyErrorCode, unsigned short systemCo
de) override final; |
49 static void encrypted(HTMLMediaElement&, WebEncryptedMediaInitDataType, cons
t unsigned char* initData, unsigned initDataLength); | 51 virtual void keyMessage(const WebString& keySystem, const WebString& session
Id, const unsigned char* message, unsigned messageLength, const WebURL& defaultU
RL) override final; |
50 static void didBlockPlaybackWaitingForKey(HTMLMediaElement&); | 52 virtual void encrypted(WebEncryptedMediaInitDataType, const unsigned char* i
nitData, unsigned initDataLength) override final; |
51 static void didResumePlaybackBlockedForKey(HTMLMediaElement&); | 53 virtual void didBlockPlaybackWaitingForKey() override final; |
52 static WebContentDecryptionModule* contentDecryptionModule(HTMLMediaElement&
); | 54 virtual void didResumePlaybackBlockedForKey() override final; |
| 55 WebContentDecryptionModule* contentDecryptionModule(); |
53 | 56 |
54 static HTMLMediaElementEncryptedMedia& from(HTMLMediaElement&); | 57 static HTMLMediaElementEncryptedMedia& from(HTMLMediaElement&); |
55 static const char* supplementName(); | 58 static const char* supplementName(); |
56 | 59 |
57 DECLARE_VIRTUAL_TRACE(); | 60 DECLARE_VIRTUAL_TRACE(); |
58 | 61 |
59 private: | 62 private: |
60 friend class SetMediaKeysHandler; | 63 friend class SetMediaKeysHandler; |
61 | 64 |
62 HTMLMediaElementEncryptedMedia(); | 65 HTMLMediaElementEncryptedMedia(HTMLMediaElement&); |
63 void generateKeyRequest(WebMediaPlayer*, const String& keySystem, PassRefPtr
<DOMUint8Array> initData, ExceptionState&); | 66 void generateKeyRequest(WebMediaPlayer*, const String& keySystem, PassRefPtr
<DOMUint8Array> initData, ExceptionState&); |
64 void addKey(WebMediaPlayer*, const String& keySystem, PassRefPtr<DOMUint8Arr
ay> key, PassRefPtr<DOMUint8Array> initData, const String& sessionId, ExceptionS
tate&); | 67 void addKey(WebMediaPlayer*, const String& keySystem, PassRefPtr<DOMUint8Arr
ay> key, PassRefPtr<DOMUint8Array> initData, const String& sessionId, ExceptionS
tate&); |
65 void cancelKeyRequest(WebMediaPlayer*, const String& keySystem, const String
& sessionId, ExceptionState&); | 68 void cancelKeyRequest(WebMediaPlayer*, const String& keySystem, const String
& sessionId, ExceptionState&); |
66 | 69 |
67 // EventTarget | 70 // EventTarget |
68 bool setAttributeEventListener(const AtomicString& eventType, PassRefPtr<Eve
ntListener>); | 71 bool setAttributeEventListener(const AtomicString& eventType, PassRefPtr<Eve
ntListener>); |
69 EventListener* getAttributeEventListener(const AtomicString& eventType); | 72 EventListener* getAttributeEventListener(const AtomicString& eventType); |
70 | 73 |
71 // Currently we have both EME v0.1b and EME WD implemented in media element. | 74 // Currently we have both EME v0.1b and EME WD implemented in media element. |
72 // But we do not want to support both at the same time. The one used first | 75 // But we do not want to support both at the same time. The one used first |
73 // will be supported. Use |m_emeMode| to track this selection. | 76 // will be supported. Use |m_emeMode| to track this selection. |
74 // FIXME: Remove EmeMode once EME v0.1b support is removed. See crbug.com/24
9976. | 77 // FIXME: Remove EmeMode once EME v0.1b support is removed. See crbug.com/24
9976. |
75 enum EmeMode { EmeModeNotSelected, EmeModePrefixed, EmeModeUnprefixed }; | 78 enum EmeMode { EmeModeNotSelected, EmeModePrefixed, EmeModeUnprefixed }; |
76 | 79 |
77 // check (and set if necessary) the encrypted media extensions (EME) mode | 80 // check (and set if necessary) the encrypted media extensions (EME) mode |
78 // (v0.1b or WD). Returns whether the mode is allowed and successfully set. | 81 // (v0.1b or WD). Returns whether the mode is allowed and successfully set. |
79 bool setEmeMode(EmeMode); | 82 bool setEmeMode(EmeMode); |
80 | 83 |
81 WebContentDecryptionModule* contentDecryptionModule(); | 84 HTMLMediaElement& m_mediaElement; |
82 | |
83 EmeMode m_emeMode; | 85 EmeMode m_emeMode; |
84 | 86 |
85 bool m_isWaitingForKey; | 87 bool m_isWaitingForKey; |
86 | 88 |
87 PersistentWillBeMember<MediaKeys> m_mediaKeys; | 89 PersistentWillBeMember<MediaKeys> m_mediaKeys; |
88 }; | 90 }; |
89 | 91 |
90 } // namespace blink | 92 } // namespace blink |
91 | 93 |
92 #endif | 94 #endif |
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