1 /* 2 * Copyright (C) 2013 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "core/platform/graphics/ContentDecryptionModule.h" 33 34 #include "core/platform/NotImplemented.h" 35 #include "core/platform/graphics/ContentDecryptionModuleSession.h" 36 #include "public/platform/Platform.h" 37 38 namespace WebCore { 39 40 bool ContentDecryptionModule::supportsKeySystem(const String& keySystem) 41 { 42 // FIXME: Chromium should handle this, possibly using 43 // MIMETypeRegistry::isSupportedEncryptedMediaMIMEType(). 44 notImplemented(); 45 return keySystem == "org.w3.clearkey"; 46 } 47 48 PassOwnPtr<ContentDecryptionModule> ContentDecryptionModule::create(const String& keySystem) 49 { 50 ASSERT(!keySystem.isEmpty()); 51 OwnPtr<WebKit::WebContentDecryptionModule> cdm = adoptPtr(WebKit::Platform::current()->createContentDecryptionModule(keySystem)); 52 if (!cdm) 53 return nullptr; 54 return adoptPtr(new ContentDecryptionModule(cdm.release())); 55 } 56 57 ContentDecryptionModule::ContentDecryptionModule(PassOwnPtr<WebKit::WebContentDecryptionModule> cdm) 58 : m_cdm(cdm) 59 { 60 ASSERT(m_cdm); 61 } 62 63 ContentDecryptionModule::~ContentDecryptionModule() 64 { 65 } 66 67 bool ContentDecryptionModule::supportsMIMEType(const String& mimeType) 68 { 69 // FIXME: Chromium should handle this, possibly using 70 // MIMETypeRegistry::isSupportedEncryptedMediaMIMEType(). 71 notImplemented(); 72 return mimeType == "video/webm"; 73 } 74 75 PassOwnPtr<ContentDecryptionModuleSession> ContentDecryptionModule::createSession(ContentDecryptionModuleSessionClient* client) 76 { 77 return adoptPtr(new ContentDecryptionModuleSession(m_cdm.get(), client)); 78 } 79 80 } // namespace WebCore 81