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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 HTMLMediaElementEncryptedMedia_h | |
6 #define HTMLMediaElementEncryptedMedia_h | |
7 | |
8 #include "core/events/EventTarget.h" | |
9 #include "heap/Handle.h" | |
10 #include "platform/Supplementable.h" | |
11 #include "platform/graphics/media/MediaPlayer.h" | |
12 #include "public/platform/WebMediaPlayerClient.h" | |
13 #include "wtf/Forward.h" | |
14 | |
15 typedef blink::WebMediaPlayerClient::MediaKeyErrorCode MediaKeyErrorCode; | |
acolwell GONE FROM CHROMIUM
2014/02/26 17:19:19
nit: I don't think this should be here. Nothing in
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16 | |
17 namespace WebCore { | |
18 | |
19 class ExceptionState; | |
20 class HTMLMediaElement; | |
21 class MediaKeys; | |
22 | |
23 class HTMLMediaElementEncryptedMedia : public Supplement<HTMLMediaElement> { | |
24 public: | |
25 // encrypted media extensions (v0.1b) | |
26 static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySys tem, PassRefPtr<Uint8Array> initData, ExceptionState&); | |
27 static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySys tem, ExceptionState&); | |
28 static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRef Ptr<Uint8Array> key, PassRefPtr<Uint8Array> initData, const String& sessionId, E xceptionState&); | |
29 static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRef Ptr<Uint8Array> key, ExceptionState&); | |
30 static void webkitCancelKeyRequest(HTMLMediaElement&, const String& keySyste m, const String& sessionId, ExceptionState&); | |
31 | |
32 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyadded); | |
33 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyerror); | |
34 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeymessage); | |
35 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitneedkey); | |
36 | |
37 // encrypted media extensions (WD) | |
38 static MediaKeys* mediaKeys(HTMLMediaElement&); | |
39 static void setMediaKeys(HTMLMediaElement&, MediaKeys*, ExceptionState&); | |
40 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(needkey); | |
41 | |
42 static void keyAdded(HTMLMediaElement&, const blink::WebString& keySystem, c onst blink::WebString& sessionId); | |
acolwell GONE FROM CHROMIUM
2014/02/26 17:19:19
nit: I think you should change the blink::WebStrin
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43 static void keyError(HTMLMediaElement&, const blink::WebString& keySystem, c onst blink::WebString& sessionId, MediaKeyErrorCode, unsigned short systemCode); | |
44 static void keyMessage(HTMLMediaElement&, const blink::WebString& keySystem, const blink::WebString& sessionId, const unsigned char* message, unsigned messa geLength, const blink::WebURL& defaultURL); | |
45 static void keyNeeded(HTMLMediaElement&, const blink::WebString& contentType , const unsigned char* initData, unsigned initDataLength); | |
46 static void playerDestroyed(HTMLMediaElement&); | |
47 static blink::WebContentDecryptionModule* contentDecryptionModule(HTMLMediaE lement&); | |
48 | |
49 virtual ~HTMLMediaElementEncryptedMedia(); | |
50 static HTMLMediaElementEncryptedMedia& from(HTMLMediaElement&); | |
51 static const char* supplementName(); | |
52 | |
53 private: | |
54 HTMLMediaElementEncryptedMedia(HTMLMediaElement&); | |
55 void generateKeyRequest(const String& keySystem, PassRefPtr<Uint8Array> init Data, ExceptionState&); | |
56 void addKey(const String& keySystem, PassRefPtr<Uint8Array> key, PassRefPtr< Uint8Array> initData, const String& sessionId, ExceptionState&); | |
57 void cancelKeyRequest(const String& keySystem, const String& sessionId, Exce ptionState&); | |
58 | |
59 // EventTarget | |
60 bool setAttributeEventListener(const AtomicString& eventType, PassRefPtr<Eve ntListener>); | |
61 EventListener* getAttributeEventListener(const AtomicString& eventType); | |
62 | |
63 // Currently we have both EME v0.1b and EME WD implemented in media element. | |
64 // But we do not want to support both at the same time. The one used first | |
65 // will be supported. Use |m_emeMode| to track this selection. | |
66 // FIXME: Remove EmeMode once EME v0.1b support is removed. See crbug.com/24 9976. | |
67 enum EmeMode { EmeModeNotSelected, EmeModePrefixed, EmeModeUnprefixed }; | |
68 | |
69 // check (and set if necessary) the encrypted media extensions (EME) mode | |
70 // (v0.1b or WD). Returns whether the mode is allowed and successfully set. | |
71 bool setEmeMode(EmeMode, ExceptionState&); | |
72 | |
73 blink::WebContentDecryptionModule* contentDecryptionModule(); | |
74 void setMediaKeysInternal(MediaKeys*); | |
75 | |
76 MediaPlayer* player(); | |
acolwell GONE FROM CHROMIUM
2014/02/26 17:19:19
nit: Remove. It doesn't look like this is used/def
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77 blink::WebMediaPlayer* webMediaPlayer(); | |
78 | |
79 EmeMode m_emeMode; | |
80 | |
81 RefPtrWillBePersistent<MediaKeys> m_mediaKeys; | |
82 HTMLMediaElement& m_mediaElement; | |
83 }; | |
84 | |
85 } | |
86 | |
87 #endif | |
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