/* * Copyright (C) 2017 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. */ #pragma once #if ENABLE(ENCRYPTED_MEDIA) #include <wtf/Function.h> #include <wtf/HashMap.h> #include <wtf/Optional.h> #include <wtf/Ref.h> #include <wtf/RefPtr.h> #include <wtf/Vector.h> #include <wtf/text/AtomicString.h> #include <wtf/text/AtomicStringHash.h> namespace WebCore { class SharedBuffer; class InitDataRegistry { public: WEBCORE_EXPORT static InitDataRegistry& shared(); friend class NeverDestroyed<InitDataRegistry>; RefPtr<SharedBuffer> sanitizeInitData(const AtomicString& initDataType, const SharedBuffer&); WEBCORE_EXPORT Optional<Vector<Ref<SharedBuffer>>> extractKeyIDs(const AtomicString& initDataType, const SharedBuffer&); struct InitDataTypeCallbacks { using SanitizeInitDataCallback = Function<RefPtr<SharedBuffer>(const SharedBuffer&)>; using ExtractKeyIDsCallback = Function<Optional<Vector<Ref<SharedBuffer>>>(const SharedBuffer&)>; SanitizeInitDataCallback sanitizeInitData; ExtractKeyIDsCallback extractKeyIDs; }; void registerInitDataType(const AtomicString& initDataType, InitDataTypeCallbacks&&); private: InitDataRegistry(); ~InitDataRegistry(); HashMap<AtomicString, InitDataTypeCallbacks> m_types; }; } #endif // ENABLE(ENCRYPTED_MEDIA)