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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 #include "config.h" | |
27 | |
28 #if ENABLE(ENCRYPTED_MEDIA_V2) | |
29 | |
30 #include "modules/encryptedmedia/CDM.h" | |
31 | |
32 #include "core/html/MediaKeyError.h" | |
33 #include "modules/encryptedmedia/CDMPrivate.h" | |
34 #include "modules/encryptedmedia/MediaKeys.h" | |
35 #include "wtf/text/WTFString.h" | |
36 | |
37 namespace WebCore { | |
38 | |
39 struct CDMFactory { | |
40 WTF_MAKE_NONCOPYABLE(CDMFactory); WTF_MAKE_FAST_ALLOCATED; | |
41 public: | |
42 CDMFactory(CreateCDM constructor, CDMSupportsKeySystem supportsKeySystem) | |
43 : constructor(constructor) | |
44 , supportsKeySystem(supportsKeySystem) | |
45 { | |
46 } | |
47 | |
48 CreateCDM constructor; | |
49 CDMSupportsKeySystem supportsKeySystem; | |
50 }; | |
51 | |
52 static Vector<CDMFactory*>& installedCDMFactories() | |
53 { | |
54 DEFINE_STATIC_LOCAL(Vector<CDMFactory*>, cdms, ()); | |
55 static bool queriedCDMs = false; | |
56 if (!queriedCDMs) { | |
57 queriedCDMs = true; | |
58 | |
59 // FIXME: initialize specific UA CDMs. http://webkit.org/b/109318, http:
//webkit.org/b/109320 | |
60 } | |
61 | |
62 return cdms; | |
63 } | |
64 | |
65 void CDM::registerCDMFactory(CreateCDM constructor, CDMSupportsKeySystem support
sKeySystem) | |
66 { | |
67 installedCDMFactories().append(new CDMFactory(constructor, supportsKeySystem
)); | |
68 } | |
69 | |
70 static CDMFactory* CDMFactoryForKeySystem(const String& keySystem) | |
71 { | |
72 Vector<CDMFactory*>& cdmFactories = installedCDMFactories(); | |
73 for (size_t i = 0; i < cdmFactories.size(); ++i) { | |
74 if (cdmFactories[i]->supportsKeySystem(keySystem)) | |
75 return cdmFactories[i]; | |
76 } | |
77 return 0; | |
78 } | |
79 | |
80 bool CDM::supportsKeySystem(const String& keySystem) | |
81 { | |
82 return CDMFactoryForKeySystem(keySystem); | |
83 } | |
84 | |
85 PassOwnPtr<CDM> CDM::create(const String& keySystem) | |
86 { | |
87 if (!supportsKeySystem(keySystem)) | |
88 return nullptr; | |
89 | |
90 return adoptPtr(new CDM(keySystem)); | |
91 } | |
92 | |
93 CDM::CDM(const String& keySystem) | |
94 : m_keySystem(keySystem) | |
95 , m_client(0) | |
96 { | |
97 m_private = CDMFactoryForKeySystem(keySystem)->constructor(this); | |
98 } | |
99 | |
100 CDM::~CDM() | |
101 { | |
102 } | |
103 | |
104 bool CDM::supportsMIMEType(const String& mimeType) const | |
105 { | |
106 return m_private->supportsMIMEType(mimeType); | |
107 } | |
108 | |
109 PassOwnPtr<CDMSession> CDM::createSession() | |
110 { | |
111 return m_private->createSession(); | |
112 } | |
113 | |
114 MediaPlayer* CDM::mediaPlayer() const | |
115 { | |
116 if (!m_client) | |
117 return 0; | |
118 return m_client->cdmMediaPlayer(this); | |
119 } | |
120 | |
121 } | |
122 | |
123 #endif // ENABLE(ENCRYPTED_MEDIA_V2) | |
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