1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 * Copyright (C) 2017 Metrological Group B.V.
4 * Copyright (C) 2017 Igalia S.L.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
17 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
25 * THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#pragma once
29
30#if ENABLE(ENCRYPTED_MEDIA)
31
32#include <memory>
33#include <wtf/Forward.h>
34
35namespace WebCore {
36
37class CDMPrivate;
38
39class CDMFactory {
40public:
41 virtual ~CDMFactory() { };
42 virtual std::unique_ptr<CDMPrivate> createCDM(const String&) = 0;
43 virtual bool supportsKeySystem(const String&) = 0;
44
45 static Vector<CDMFactory*>& registeredFactories();
46 WEBCORE_EXPORT static void registerFactory(CDMFactory&);
47 WEBCORE_EXPORT static void unregisterFactory(CDMFactory&);
48
49 // Platform-specific function that's called when the list of
50 // registered CDMFactory objects is queried for the first time.
51 static void platformRegisterFactories(Vector<CDMFactory*>&);
52};
53
54} // namespace WebCore
55
56#endif // ENABLE(ENCRYPTED_MEDIA)
57