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#include "config.h"
29#include "CDMFactory.h"
30
31#if ENABLE(ENCRYPTED_MEDIA)
32
33#include <mutex>
34#include <wtf/NeverDestroyed.h>
35#include <wtf/Vector.h>
36
37namespace WebCore {
38
39Vector<CDMFactory*>& CDMFactory::registeredFactories()
40{
41 static NeverDestroyed<Vector<CDMFactory*>> factories;
42 static std::once_flag once;
43 std::call_once(once, [&] { platformRegisterFactories(factories); });
44
45 return factories;
46}
47
48void CDMFactory::registerFactory(CDMFactory& factory)
49{
50 ASSERT(!registeredFactories().contains(&factory));
51 registeredFactories().append(&factory);
52}
53
54void CDMFactory::unregisterFactory(CDMFactory& factory)
55{
56 ASSERT(registeredFactories().contains(&factory));
57 registeredFactories().removeAll(&factory);
58}
59
60#if !USE(GSTREAMER) && !USE(AVFOUNDATION)
61void CDMFactory::platformRegisterFactories(Vector<CDMFactory*>&)
62{
63}
64#endif
65
66} // namespace WebCore
67
68#endif // ENABLE(ENCRYPTED_MEDIA)
69