| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef HTMLMediaElementEncryptedMedia_h |
| #define HTMLMediaElementEncryptedMedia_h |
| |
| #include "core/EventTypeNames.h" |
| #include "core/dom/DOMTypedArray.h" |
| #include "core/events/EventTarget.h" |
| #include "platform/Supplementable.h" |
| #include "platform/graphics/media/MediaPlayer.h" |
| #include "platform/heap/Handle.h" |
| #include "public/platform/WebMediaPlayerClient.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class HTMLMediaElement; |
| class MediaKeys; |
| class ScriptPromise; |
| class ScriptState; |
| |
| class HTMLMediaElementEncryptedMedia final : public NoBaseWillBeGarbageCollected<HTMLMediaElementEncryptedMedia>, public WillBeHeapSupplement<HTMLMediaElement> { |
| WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLMediaElementEncryptedMedia); |
| DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(HTMLMediaElementEncryptedMedia); |
| public: |
| // encrypted media extensions (v0.1b) |
| static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySystem, PassRefPtr<DOMUint8Array> initData, ExceptionState&); |
| static void webkitGenerateKeyRequest(HTMLMediaElement&, const String& keySystem, ExceptionState&); |
| static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRefPtr<DOMUint8Array> key, PassRefPtr<DOMUint8Array> initData, const String& sessionId, ExceptionState&); |
| static void webkitAddKey(HTMLMediaElement&, const String& keySystem, PassRefPtr<DOMUint8Array> key, ExceptionState&); |
| static void webkitCancelKeyRequest(HTMLMediaElement&, const String& keySystem, const String& sessionId, ExceptionState&); |
| |
| DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyadded); |
| DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeyerror); |
| DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitkeymessage); |
| DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(webkitneedkey); |
| |
| // encrypted media extensions (WD) |
| static MediaKeys* mediaKeys(HTMLMediaElement&); |
| static ScriptPromise setMediaKeys(ScriptState*, HTMLMediaElement&, MediaKeys*); |
| DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(encrypted); |
| |
| static void keyAdded(HTMLMediaElement&, const String& keySystem, const String& sessionId); |
| static void keyError(HTMLMediaElement&, const String& keySystem, const String& sessionId, WebMediaPlayerClient::MediaKeyErrorCode, unsigned short systemCode); |
| static void keyMessage(HTMLMediaElement&, const String& keySystem, const String& sessionId, const unsigned char* message, unsigned messageLength, const WebURL& defaultURL); |
| static void encrypted(HTMLMediaElement&, const String& initDataType, const unsigned char* initData, unsigned initDataLength); |
| static void playerDestroyed(HTMLMediaElement&); |
| static WebContentDecryptionModule* contentDecryptionModule(HTMLMediaElement&); |
| |
| static HTMLMediaElementEncryptedMedia& from(HTMLMediaElement&); |
| static const char* supplementName(); |
| |
| virtual void trace(Visitor*) override; |
| |
| private: |
| friend class SetMediaKeysHandler; |
| |
| HTMLMediaElementEncryptedMedia(); |
| void generateKeyRequest(WebMediaPlayer*, const String& keySystem, PassRefPtr<DOMUint8Array> initData, ExceptionState&); |
| void addKey(WebMediaPlayer*, const String& keySystem, PassRefPtr<DOMUint8Array> key, PassRefPtr<DOMUint8Array> initData, const String& sessionId, ExceptionState&); |
| void cancelKeyRequest(WebMediaPlayer*, const String& keySystem, const String& sessionId, ExceptionState&); |
| |
| // EventTarget |
| bool setAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>); |
| EventListener* getAttributeEventListener(const AtomicString& eventType); |
| |
| // Currently we have both EME v0.1b and EME WD implemented in media element. |
| // But we do not want to support both at the same time. The one used first |
| // will be supported. Use |m_emeMode| to track this selection. |
| // FIXME: Remove EmeMode once EME v0.1b support is removed. See crbug.com/249976. |
| enum EmeMode { EmeModeNotSelected, EmeModePrefixed, EmeModeUnprefixed }; |
| |
| // check (and set if necessary) the encrypted media extensions (EME) mode |
| // (v0.1b or WD). Returns whether the mode is allowed and successfully set. |
| bool setEmeMode(EmeMode); |
| |
| WebContentDecryptionModule* contentDecryptionModule(); |
| |
| EmeMode m_emeMode; |
| |
| PersistentWillBeMember<MediaKeys> m_mediaKeys; |
| }; |
| |
| } // namespace blink |
| |
| #endif |