/* * Copyright (C) 2016-2018 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. ``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 * 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 PLATFORM(COCOA) #include "MIMETypeCache.h" namespace WebCore { class ContentType; class WEBCORE_EXPORT AVAssetMIMETypeCache final : public MIMETypeCache { public: static AVAssetMIMETypeCache& singleton(); bool isAvailable() const final; using CacheMIMETypesCallback = std::function<void(const Vector<String>&)>; void setCacheMIMETypesCallback(CacheMIMETypesCallback&& callback) { m_cacheTypeCallback = WTFMove(callback); } const HashSet<String, ASCIICaseInsensitiveHash>& staticContainerTypeList() final; bool isUnsupportedContainerType(const String&) final; void addSupportedTypes(const Vector<String>&) final; private: friend NeverDestroyed<AVAssetMIMETypeCache>; AVAssetMIMETypeCache() = default; bool canDecodeExtendedType(const ContentType&) final; void initializeCache(HashSet<String, ASCIICaseInsensitiveHash>&) final; CacheMIMETypesCallback m_cacheTypeCallback; }; } #endif