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/*
* Copyright (C) 2008 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
*/
#ifndef OriginUsageRecord_h
#define OriginUsageRecord_h
#if ENABLE(DATABASE)
#include "PlatformString.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
// Objects of this class can be used from multiple threads with external synchronization.
// String arguments are also supposed to be deeply copied by the caller when necessary.
class OriginUsageRecord {
WTF_MAKE_NONCOPYABLE(OriginUsageRecord); WTF_MAKE_FAST_ALLOCATED;
public:
OriginUsageRecord();
void addDatabase(const String& identifier, const String& fullPath);
void removeDatabase(const String& identifier);
void markDatabase(const String& identifier); // Size may have changed, and will need to be recalculated.
unsigned long long diskUsage();
private:
struct DatabaseEntry {
DatabaseEntry() { }
DatabaseEntry(const String& filename) : filename(filename) { }
DatabaseEntry(const String& filename, unsigned long long size) : filename(filename), size(size) { }
String filename;
unsigned long long size; // This member remains uninitialized until disk usage is calculated.
};
HashMap<String, DatabaseEntry> m_databaseMap;
HashSet<String> m_unknownSet;
unsigned long long m_cachedDiskUsage;
bool m_cachedDiskUsageIsValid;
};
} // namespace WebCore
#endif
#endif
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