/* | |
* 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 "StringHash.h" | |
#include <wtf/HashMap.h> | |
#include <wtf/HashSet.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 : public Noncopyable { | |
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 |