1d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 2d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)// found in the LICENSE file. 4d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 5d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#ifndef HTMLMediaElementEncryptedMedia_h 6d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#define HTMLMediaElementEncryptedMedia_h 7d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 8d6cdb82654e8f3343a693ca752d5c4cee0324e17Torne (Richard Coles)#include "modules/EventTargetModules.h" 9d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "platform/Supplementable.h" 10d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "platform/graphics/media/MediaPlayer.h" 1110f88d5669dbd969c059d61ba09fa37dd72ac559Ben Murdoch#include "platform/heap/Handle.h" 12d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "public/platform/WebMediaPlayerClient.h" 13d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#include "wtf/Forward.h" 14d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 15d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)namespace WebCore { 16d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 17d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)class ExceptionState; 18d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)class HTMLMediaElement; 19d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)class MediaKeys; 20d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 21323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles)class HTMLMediaElementEncryptedMedia FINAL : public NoBaseWillBeGarbageCollected<HTMLMediaElementEncryptedMedia>, public WillBeHeapSupplement<HTMLMediaElement> { 22323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLMediaElementEncryptedMedia); 23323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(HTMLMediaElementEncryptedMedia); 24d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)public: 25d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // encrypted media extensions (v0.1b) 26d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySystem, PassRefPtr<Uint8Array> initData, ExceptionState&); 27d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySystem, ExceptionState&); 28d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRefPtr<Uint8Array> key, PassRefPtr<Uint8Array> initData, const String& sessionId, ExceptionState&); 29d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRefPtr<Uint8Array> key, ExceptionState&); 30d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void webkitCancelKeyRequest(HTMLMediaElement&, const String& keySystem, const String& sessionId, ExceptionState&); 31d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 32d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyadded); 33d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyerror); 34d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeymessage); 35d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitneedkey); 36d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 37d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // encrypted media extensions (WD) 38d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static MediaKeys* mediaKeys(HTMLMediaElement&); 39d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void setMediaKeys(HTMLMediaElement&, MediaKeys*, ExceptionState&); 40d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(needkey); 41d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 42d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void keyAdded(HTMLMediaElement&, const String& keySystem, const String& sessionId); 43d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void keyError(HTMLMediaElement&, const String& keySystem, const String& sessionId, blink::WebMediaPlayerClient::MediaKeyErrorCode, unsigned short systemCode); 44d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void keyMessage(HTMLMediaElement&, const String& keySystem, const String& sessionId, const unsigned char* message, unsigned messageLength, const blink::WebURL& defaultURL); 45d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void keyNeeded(HTMLMediaElement&, const String& contentType, const unsigned char* initData, unsigned initDataLength); 46d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static void playerDestroyed(HTMLMediaElement&); 47d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static blink::WebContentDecryptionModule* contentDecryptionModule(HTMLMediaElement&); 48d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 49d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static HTMLMediaElementEncryptedMedia& from(HTMLMediaElement&); 50d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) static const char* supplementName(); 51d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 52323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) virtual void trace(Visitor*) OVERRIDE; 53a9984bf9ddc3cf73fdae3f29134a2bab379e7029Ben Murdoch 54d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)private: 55d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) HTMLMediaElementEncryptedMedia(); 56d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) void generateKeyRequest(blink::WebMediaPlayer*, const String& keySystem, PassRefPtr<Uint8Array> initData, ExceptionState&); 57d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) void addKey(blink::WebMediaPlayer*, const String& keySystem, PassRefPtr<Uint8Array> key, PassRefPtr<Uint8Array> initData, const String& sessionId, ExceptionState&); 58d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) void cancelKeyRequest(blink::WebMediaPlayer*, const String& keySystem, const String& sessionId, ExceptionState&); 59d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 60d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // EventTarget 61d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) bool setAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>); 62d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) EventListener* getAttributeEventListener(const AtomicString& eventType); 63d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 64d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // Currently we have both EME v0.1b and EME WD implemented in media element. 65d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // But we do not want to support both at the same time. The one used first 66d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // will be supported. Use |m_emeMode| to track this selection. 67d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // FIXME: Remove EmeMode once EME v0.1b support is removed. See crbug.com/249976. 68d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) enum EmeMode { EmeModeNotSelected, EmeModePrefixed, EmeModeUnprefixed }; 69d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 70d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // check (and set if necessary) the encrypted media extensions (EME) mode 71d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) // (v0.1b or WD). Returns whether the mode is allowed and successfully set. 72d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) bool setEmeMode(EmeMode, ExceptionState&); 73d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 74d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) blink::WebContentDecryptionModule* contentDecryptionModule(); 75d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) void setMediaKeysInternal(HTMLMediaElement&, MediaKeys*); 76d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 77d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) EmeMode m_emeMode; 78d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 79f6b7aed3f7ce69aca0d7a032d144cbd088b04393Torne (Richard Coles) PersistentWillBeMember<MediaKeys> m_mediaKeys; 80d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)}; 81d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 82d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)} 83d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) 84d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)#endif 85