1/* 2 * Copyright (C) 2013 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef StorageAreaImpl_h 27#define StorageAreaImpl_h 28 29#include "MessageReceiver.h" 30#include <WebCore/StorageArea.h> 31#include <wtf/HashCountedSet.h> 32#include <wtf/HashMap.h> 33 34namespace WebKit { 35 36class StorageAreaMap; 37 38class StorageAreaImpl final : public WebCore::StorageArea { 39public: 40 static PassRefPtr<StorageAreaImpl> create(PassRefPtr<StorageAreaMap>); 41 virtual ~StorageAreaImpl(); 42 43 uint64_t storageAreaID() const { return m_storageAreaID; } 44 45private: 46 StorageAreaImpl(PassRefPtr<StorageAreaMap>); 47 48 // WebCore::StorageArea. 49 virtual unsigned length() override; 50 virtual String key(unsigned index) override; 51 virtual String item(const String& key) override; 52 virtual void setItem(WebCore::Frame* sourceFrame, const String& key, const String& value, bool& quotaException) override; 53 virtual void removeItem(WebCore::Frame* sourceFrame, const String& key) override; 54 virtual void clear(WebCore::Frame* sourceFrame) override; 55 virtual bool contains(const String& key) override; 56 virtual bool canAccessStorage(WebCore::Frame*) override; 57 virtual WebCore::StorageType storageType() const override; 58 virtual size_t memoryBytesUsedByCache() override; 59 virtual void incrementAccessCount() override; 60 virtual void decrementAccessCount() override; 61 virtual void closeDatabaseIfIdle() override; 62 63 uint64_t m_storageAreaID; 64 RefPtr<StorageAreaMap> m_storageAreaMap; 65}; 66 67} // namespace WebKit 68 69#endif // StorageAreaImpl_h 70