1/* 2 * Copyright (C) 2010 Google 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 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef IDBAny_h 27#define IDBAny_h 28 29#if ENABLE(INDEXED_DATABASE) 30 31#include "IDBKeyPath.h" 32#include "ScriptWrappable.h" 33#include <bindings/ScriptValue.h> 34#include <wtf/PassRefPtr.h> 35#include <wtf/RefCounted.h> 36#include <wtf/RefPtr.h> 37#include <wtf/text/WTFString.h> 38 39namespace WebCore { 40 41class DOMStringList; 42class IDBCursor; 43class IDBCursorWithValue; 44class IDBDatabase; 45class IDBFactory; 46class IDBIndex; 47class IDBKeyPath; 48class IDBObjectStore; 49class IDBTransaction; 50 51class IDBAny : public ScriptWrappable, public RefCounted<IDBAny> { 52public: 53 static PassRefPtr<IDBAny> createInvalid(); 54 static PassRefPtr<IDBAny> createNull(); 55 static PassRefPtr<IDBAny> createString(const String&); 56 template<typename T> 57 static PassRefPtr<IDBAny> create(T* idbObject) 58 { 59 return adoptRef(new IDBAny(idbObject)); 60 } 61 template<typename T> 62 static PassRefPtr<IDBAny> create(const T& idbObject) 63 { 64 return adoptRef(new IDBAny(idbObject)); 65 } 66 template<typename T> 67 static PassRefPtr<IDBAny> create(PassRefPtr<T> idbObject) 68 { 69 return adoptRef(new IDBAny(idbObject)); 70 } 71 static PassRefPtr<IDBAny> create(int64_t value) 72 { 73 return adoptRef(new IDBAny(value)); 74 } 75 ~IDBAny(); 76 77 enum Type { 78 UndefinedType = 0, 79 NullType, 80 DOMStringListType, 81 IDBCursorType, 82 IDBCursorWithValueType, 83 IDBDatabaseType, 84 IDBFactoryType, 85 IDBIndexType, 86 IDBObjectStoreType, 87 IDBTransactionType, 88 ScriptValueType, 89 IntegerType, 90 StringType, 91 KeyPathType, 92 }; 93 94 Type type() const { return m_type; } 95 // Use type() to figure out which one of these you're allowed to call. 96 PassRefPtr<DOMStringList> domStringList(); 97 PassRefPtr<IDBCursor> idbCursor(); 98 PassRefPtr<IDBCursorWithValue> idbCursorWithValue(); 99 PassRefPtr<IDBDatabase> idbDatabase(); 100 PassRefPtr<IDBFactory> idbFactory(); 101 PassRefPtr<IDBIndex> idbIndex(); 102 PassRefPtr<IDBObjectStore> idbObjectStore(); 103 PassRefPtr<IDBTransaction> idbTransaction(); 104 const Deprecated::ScriptValue& scriptValue(); 105 int64_t integer(); 106 const String& string(); 107 const IDBKeyPath& keyPath() { return m_idbKeyPath; }; 108 109private: 110 explicit IDBAny(Type); 111 explicit IDBAny(PassRefPtr<DOMStringList>); 112 explicit IDBAny(PassRefPtr<IDBCursor>); 113 explicit IDBAny(PassRefPtr<IDBCursorWithValue>); 114 explicit IDBAny(PassRefPtr<IDBDatabase>); 115 explicit IDBAny(PassRefPtr<IDBFactory>); 116 explicit IDBAny(PassRefPtr<IDBIndex>); 117 explicit IDBAny(PassRefPtr<IDBObjectStore>); 118 explicit IDBAny(PassRefPtr<IDBTransaction>); 119 explicit IDBAny(const IDBKeyPath&); 120 explicit IDBAny(const String&); 121 explicit IDBAny(const Deprecated::ScriptValue&); 122 explicit IDBAny(int64_t); 123 124 const Type m_type; 125 126 // Only one of the following should ever be in use at any given time. 127 const RefPtr<DOMStringList> m_domStringList; 128 const RefPtr<IDBCursor> m_idbCursor; 129 const RefPtr<IDBCursorWithValue> m_idbCursorWithValue; 130 const RefPtr<IDBDatabase> m_idbDatabase; 131 const RefPtr<IDBFactory> m_idbFactory; 132 const RefPtr<IDBIndex> m_idbIndex; 133 const RefPtr<IDBObjectStore> m_idbObjectStore; 134 const RefPtr<IDBTransaction> m_idbTransaction; 135 const IDBKeyPath m_idbKeyPath; 136 const Deprecated::ScriptValue m_scriptValue; 137 const String m_string; 138 const int64_t m_integer; 139}; 140 141} // namespace WebCore 142 143#endif // ENABLE(INDEXED_DATABASE) 144 145#endif // IDBAny_h 146