102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
/*
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* Copyright (C) 2008 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <WebCore/SecurityOriginData.h>
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#include <WebCore/StorageArea.h>
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#include <WebCore/StorageMap.h>
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#include <WebCore/Timer.h>
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#include <wtf/HashMap.h>
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#include <wtf/RefPtr.h>
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namespace WebCore {
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class SecurityOrigin;
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class StorageMap;
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}
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namespace WebKit {
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class StorageAreaSync;
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class StorageAreaImpl : public WebCore::StorageArea {
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public:
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static Ref<StorageAreaImpl> create(WebCore::StorageType, const WebCore::SecurityOriginData&, RefPtr<WebCore::StorageSyncManager>&&, unsigned quota);
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virtual ~StorageAreaImpl();
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unsigned length() override;
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String key(unsigned index) override;
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String item(const String& key) override;
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void setItem(WebCore::Frame* sourceFrame, const String& key, const String& value, bool& quotaException) override;
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void removeItem(WebCore::Frame* sourceFrame, const String& key) override;
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void clear(WebCore::Frame* sourceFrame) override;
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bool contains(const String& key) override;
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WebCore::StorageType storageType() const override;
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size_t memoryBytesUsedByCache() override;
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void incrementAccessCount() override;
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void decrementAccessCount() override;
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void closeDatabaseIfIdle() override;
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Ref<StorageAreaImpl> copy();
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void close();
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// Only called from a background thread.
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void importItems(HashMap<String, String>&& items);
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// Used to clear a StorageArea and close db before backing db file is deleted.
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void clearForOriginDeletion();
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void sync();
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void sessionChanged(bool isNewSessionPersistent);
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private:
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StorageAreaImpl(WebCore::StorageType, const WebCore::SecurityOriginData&, RefPtr<WebCore::StorageSyncManager>&&, unsigned quota);
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explicit StorageAreaImpl(const StorageAreaImpl&);
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void blockUntilImportComplete() const;
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void closeDatabaseTimerFired();
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void dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, WebCore::Frame* sourceFrame);
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WebCore::StorageType m_storageType;
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WebCore::SecurityOriginData m_securityOrigin;
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WebCore::StorageMap m_storageMap;
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RefPtr<StorageAreaSync> m_storageAreaSync;
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RefPtr<WebCore::StorageSyncManager> m_storageSyncManager;
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#if ASSERT_ENABLED
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bool m_isShutdown { false };
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#endif
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unsigned m_accessCount;
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WebCore::Timer m_closeDatabaseTimer;
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};
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} // namespace WebCore
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