89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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* Copyright (C) 2010, 2011, 2012 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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namespace WebCore {
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class BlobRegistry;
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class LoaderStrategy;
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class MediaStrategy;
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class PasteboardStrategy;
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class PlatformStrategies {
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public:
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LoaderStrategy* loaderStrategy()
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{
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if (!m_loaderStrategy)
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m_loaderStrategy = createLoaderStrategy();
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return m_loaderStrategy;
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}
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PasteboardStrategy* pasteboardStrategy()
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{
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if (!m_pasteboardStrategy)
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m_pasteboardStrategy = createPasteboardStrategy();
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return m_pasteboardStrategy;
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}
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MediaStrategy& mediaStrategy()
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{
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if (!m_mediaStrategy)
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m_mediaStrategy = createMediaStrategy();
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return *m_mediaStrategy;
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}
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BlobRegistry* blobRegistry()
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{
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if (!m_blobRegistry)
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m_blobRegistry = createBlobRegistry();
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return m_blobRegistry;
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}
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protected:
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PlatformStrategies() = default;
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virtual ~PlatformStrategies()
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{
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}
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private:
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virtual LoaderStrategy* createLoaderStrategy() = 0;
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virtual PasteboardStrategy* createPasteboardStrategy() = 0;
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virtual MediaStrategy* createMediaStrategy() = 0;
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virtual BlobRegistry* createBlobRegistry() = 0;
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LoaderStrategy* m_loaderStrategy { };
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PasteboardStrategy* m_pasteboardStrategy { };
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MediaStrategy* m_mediaStrategy { };
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BlobRegistry* m_blobRegistry { };
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};
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bool hasPlatformStrategies();
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WEBCORE_EXPORT PlatformStrategies* platformStrategies();
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WEBCORE_EXPORT void setPlatformStrategies(PlatformStrategies*);
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} // namespace WebCore
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