1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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.
12 *
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
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef MediaKeys_h
27#define MediaKeys_h
28
29#if ENABLE(ENCRYPTED_MEDIA_V2)
30
31#include "CDM.h"
32#include "EventTarget.h"
33#include "ExceptionCode.h"
34#include <wtf/OwnPtr.h>
35#include <wtf/PassRefPtr.h>
36#include <wtf/RefCounted.h>
37#include <wtf/Uint8Array.h>
38#include <wtf/Vector.h>
39#include <wtf/text/WTFString.h>
40
41namespace WebCore {
42
43class MediaKeySession;
44class HTMLMediaElement;
45
46class MediaKeys : public RefCounted<MediaKeys>, public CDMClient {
47public:
48    static PassRefPtr<MediaKeys> create(const String& keySystem, ExceptionCode&);
49    ~MediaKeys();
50
51    PassRefPtr<MediaKeySession> createSession(ScriptExecutionContext*, const String& mimeType, Uint8Array* initData, ExceptionCode&);
52
53    static bool isTypeSupported(const String& keySystem, const String& mimeType);
54
55    const String& keySystem() const { return m_keySystem; }
56    CDM* cdm() { return m_cdm.get(); }
57
58    HTMLMediaElement* mediaElement() const { return m_mediaElement; }
59    void setMediaElement(HTMLMediaElement*);
60
61protected:
62    // CDMClient:
63    virtual MediaPlayer* cdmMediaPlayer(const CDM*) const OVERRIDE;
64
65    MediaKeys(const String& keySystem, PassOwnPtr<CDM>);
66
67    Vector<RefPtr<MediaKeySession> > m_sessions;
68
69    HTMLMediaElement* m_mediaElement;
70    String m_keySystem;
71    OwnPtr<CDM> m_cdm;
72};
73
74}
75
76#endif // ENABLE(ENCRYPTED_MEDIA_V2)
77
78#endif // MediaKeys_h
79