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 UniqueIDBDatabaseIdentifier_h 27#define UniqueIDBDatabaseIdentifier_h 28 29#if ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS) 30 31#include "SecurityOriginData.h" 32#include <wtf/PassRefPtr.h> 33#include <wtf/RefCounted.h> 34#include <wtf/text/WTFString.h> 35 36namespace WebKit { 37 38class UniqueIDBDatabaseIdentifier { 39public: 40 UniqueIDBDatabaseIdentifier(); 41 UniqueIDBDatabaseIdentifier(const String& databaseName, const SecurityOriginData& openingOrigin, const SecurityOriginData& mainFrameOrigin); 42 43 bool isNull() const; 44 45 const String& databaseName() const { return m_databaseName; } 46 const SecurityOriginData& openingOrigin() const { return m_openingOrigin; } 47 const SecurityOriginData& mainFrameOrigin() const { return m_mainFrameOrigin; } 48 49 UniqueIDBDatabaseIdentifier(WTF::HashTableDeletedValueType); 50 bool isHashTableDeletedValue() const; 51 unsigned hash() const; 52 53 UniqueIDBDatabaseIdentifier isolatedCopy() const; 54 55private: 56 String m_databaseName; 57 SecurityOriginData m_openingOrigin; 58 SecurityOriginData m_mainFrameOrigin; 59}; 60 61bool operator==(const UniqueIDBDatabaseIdentifier&, const UniqueIDBDatabaseIdentifier&); 62 63struct UniqueIDBDatabaseIdentifierHash { 64 static unsigned hash(const UniqueIDBDatabaseIdentifier& identifier) { return identifier.hash(); } 65 static bool equal(const UniqueIDBDatabaseIdentifier& a, const UniqueIDBDatabaseIdentifier& b) { return a == b; } 66 static const bool safeToCompareToEmptyOrDeleted = false; 67}; 68 69struct UniqueIDBDatabaseIdentifierHashTraits : WTF::SimpleClassHashTraits<UniqueIDBDatabaseIdentifier> { 70 static const bool hasIsEmptyValueFunction = true; 71 static bool isEmptyValue(const UniqueIDBDatabaseIdentifier& info) { return info.isNull(); } 72}; 73 74} // namespace WebKit 75 76namespace WTF { 77 78template<> struct HashTraits<WebKit::UniqueIDBDatabaseIdentifier> : WebKit::UniqueIDBDatabaseIdentifierHashTraits { }; 79template<> struct DefaultHash<WebKit::UniqueIDBDatabaseIdentifier> { 80 typedef WebKit::UniqueIDBDatabaseIdentifierHash Hash; 81}; 82 83} // namespaec WTF 84 85#endif // ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS) 86#endif // UniqueIDBDatabaseIdentifier_h 87