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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/storage/OriginUsageRecord.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/storage/OriginUsageRecord.h')
-rw-r--r-- | Source/WebCore/storage/OriginUsageRecord.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Source/WebCore/storage/OriginUsageRecord.h b/Source/WebCore/storage/OriginUsageRecord.h new file mode 100644 index 0000000..a830e68 --- /dev/null +++ b/Source/WebCore/storage/OriginUsageRecord.h @@ -0,0 +1,70 @@ +/* + * 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 : 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 |