1 files changed, 151 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/encryptedmedia/legacy/LegacyCDM.cpp b/Source/WebCore/Modules/encryptedmedia/legacy/LegacyCDM.cpp
new file mode 100644
index 000000000..4e333f856
--- /dev/null
+++ b/Source/WebCore/Modules/encryptedmedia/legacy/LegacyCDM.cpp
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
+
+#include "LegacyCDM.h"
+
+#include "LegacyCDMPrivateClearKey.h"
+#include "LegacyCDMPrivateMediaPlayer.h"
+#include "LegacyCDMSession.h"
+#include "MediaPlayer.h"
+#include "WebKitMediaKeys.h"
+#include <wtf/NeverDestroyed.h>
+#include <wtf/text/WTFString.h>
+
+#if PLATFORM(MAC) && ENABLE(MEDIA_SOURCE)
+#include "CDMPrivateMediaSourceAVFObjC.h"
+#endif
+
+namespace WebCore {
+
+struct CDMFactory {
+    WTF_MAKE_NONCOPYABLE(CDMFactory); WTF_MAKE_FAST_ALLOCATED;
+public:
+    CDMFactory(CreateCDM constructor, CDMSupportsKeySystem supportsKeySystem, CDMSupportsKeySystemAndMimeType supportsKeySystemAndMimeType)
+        : constructor(constructor)
+        , supportsKeySystem(supportsKeySystem)
+        , supportsKeySystemAndMimeType(supportsKeySystemAndMimeType)
+    {
+    }
+
+    CreateCDM constructor;
+    CDMSupportsKeySystem supportsKeySystem;
+    CDMSupportsKeySystemAndMimeType supportsKeySystemAndMimeType;
+};
+
+static Vector<CDMFactory*>& installedCDMFactories()
+{
+    static NeverDestroyed<Vector<CDMFactory*>> cdms;
+    static bool queriedCDMs = false;
+    if (!queriedCDMs) {
+        queriedCDMs = true;
+
+        cdms.get().append(new CDMFactory([](CDM* cdm) { return std::make_unique<CDMPrivateClearKey>(cdm); },
+            CDMPrivateClearKey::supportsKeySystem, CDMPrivateClearKey::supportsKeySystemAndMimeType));
+
+        // FIXME: initialize specific UA CDMs. http://webkit.org/b/109318, http://webkit.org/b/109320
+        cdms.get().append(new CDMFactory([](CDM* cdm) { return std::make_unique<CDMPrivateMediaPlayer>(cdm); },
+            CDMPrivateMediaPlayer::supportsKeySystem, CDMPrivateMediaPlayer::supportsKeySystemAndMimeType));
+
+#if PLATFORM(MAC) && ENABLE(MEDIA_SOURCE)
+        cdms.get().append(new CDMFactory([](CDM* cdm) { return std::make_unique<CDMPrivateMediaSourceAVFObjC>(cdm); },
+            CDMPrivateMediaSourceAVFObjC::supportsKeySystem, CDMPrivateMediaSourceAVFObjC::supportsKeySystemAndMimeType));
+#endif
+    }
+
+    return cdms;
+}
+
+void CDM::registerCDMFactory(CreateCDM constructor, CDMSupportsKeySystem supportsKeySystem, CDMSupportsKeySystemAndMimeType supportsKeySystemAndMimeType)
+{
+    installedCDMFactories().append(new CDMFactory(constructor, supportsKeySystem, supportsKeySystemAndMimeType));
+}
+
+static CDMFactory* CDMFactoryForKeySystem(const String& keySystem)
+{
+    for (auto& factory : installedCDMFactories()) {
+        if (factory->supportsKeySystem(keySystem))
+            return factory;
+    }
+    return 0;
+}
+
+bool CDM::supportsKeySystem(const String& keySystem)
+{
+    return CDMFactoryForKeySystem(keySystem);
+}
+
+bool CDM::keySystemSupportsMimeType(const String& keySystem, const String& mimeType)
+{
+    if (CDMFactory* factory = CDMFactoryForKeySystem(keySystem))
+        return factory->supportsKeySystemAndMimeType(keySystem, mimeType);
+    return false;
+}
+
+std::unique_ptr<CDM> CDM::create(const String& keySystem)
+{
+    if (!supportsKeySystem(keySystem))
+        return nullptr;
+
+    return std::make_unique<CDM>(keySystem);
+}
+
+CDM::CDM(const String& keySystem)
+    : m_keySystem(keySystem)
+    , m_client(nullptr)
+{
+    m_private = CDMFactoryForKeySystem(keySystem)->constructor(this);
+}
+
+CDM::~CDM()
+{
+}
+
+bool CDM::supportsMIMEType(const String& mimeType) const
+{
+    return m_private->supportsMIMEType(mimeType);
+}
+
+std::unique_ptr<CDMSession> CDM::createSession(CDMSessionClient& client)
+{
+    auto session = m_private->createSession(&client);
+    if (mediaPlayer())
+        mediaPlayer()->setCDMSession(session.get());
+    return session;
+}
+
+MediaPlayer* CDM::mediaPlayer() const
+{
+    if (!m_client)
+        return 0;
+    return m_client->cdmMediaPlayer(this);
+}
+
+}
+
+#endif // ENABLE(LEGACY_ENCRYPTED_MEDIA)