2 * Copyright (C) 2013 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
29 #include "bindings/core/v8/ScriptPromise.h"
30 #include "bindings/core/v8/ScriptWrappable.h"
31 #include "core/dom/ContextLifecycleObserver.h"
32 #include "wtf/Forward.h"
33 #include "wtf/text/WTFString.h"
36 class WebContentDecryptionModule;
42 class ExecutionContext;
43 class HTMLMediaElement;
46 // References are held by JS and HTMLMediaElement.
47 // The WebContentDecryptionModule has the same lifetime as this object.
48 class MediaKeys : public GarbageCollectedFinalized<MediaKeys>, public ContextLifecycleObserver, public ScriptWrappable {
50 static ScriptPromise create(ScriptState*, const String& keySystem);
53 const String& keySystem() const { return m_keySystem; }
55 ScriptPromise createSession(ScriptState*, const String& initDataType, ArrayBuffer* initData, const String& sessionType);
56 ScriptPromise createSession(ScriptState*, const String& initDataType, ArrayBufferView* initData, const String& sessionType);
58 static bool isTypeSupported(const String& keySystem, const String& contentType);
60 blink::WebContentDecryptionModule* contentDecryptionModule();
64 // ContextLifecycleObserver
65 virtual void contextDestroyed() OVERRIDE;
68 friend class MediaKeysInitializer;
69 MediaKeys(ExecutionContext*, const String& keySystem, PassOwnPtr<blink::WebContentDecryptionModule>);
71 ScriptPromise createSessionInternal(ScriptState*, const String& initDataType, PassRefPtr<ArrayBuffer> initData, const String& sessionType);
73 const String m_keySystem;
74 OwnPtr<blink::WebContentDecryptionModule> m_cdm;