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 #include "bindings/v8/ScriptValue.h" 30 #include "bindings/v8/ScriptWrappable.h" 31 #include "modules/indexeddb/IDBKeyPath.h" 32 #include "wtf/PassRefPtr.h" 33 #include "wtf/RefCounted.h" 34 #include "wtf/RefPtr.h" 35 #include "wtf/text/WTFString.h" 36 37 namespace WebCore { 38 39 class DOMStringList; 40 class IDBCursor; 41 class IDBCursorWithValue; 42 class IDBDatabase; 43 class IDBFactory; 44 class IDBIndex; 45 class IDBKeyPath; 46 class IDBObjectStore; 47 class IDBTransaction; 48 49 class IDBAny : public RefCounted<IDBAny> { 50 public: 51 static PassRefPtr<IDBAny> createInvalid(); 52 static PassRefPtr<IDBAny> createNull(); 53 static PassRefPtr<IDBAny> createString(const String&); 54 template<typename T> 55 static PassRefPtr<IDBAny> create(T* idbObject) 56 { 57 return adoptRef(new IDBAny(idbObject)); 58 } 59 template<typename T> 60 static PassRefPtr<IDBAny> create(const T& idbObject) 61 { 62 return adoptRef(new IDBAny(idbObject)); 63 } 64 template<typename T> 65 static PassRefPtr<IDBAny> create(PassRefPtr<T> idbObject) 66 { 67 return adoptRef(new IDBAny(idbObject)); 68 } 69 static PassRefPtr<IDBAny> create(int64_t value) 70 { 71 return adoptRef(new IDBAny(value)); 72 } 73 ~IDBAny(); 74 75 enum Type { 76 UndefinedType = 0, 77 NullType, 78 DOMStringListType, 79 IDBCursorType, 80 IDBCursorWithValueType, 81 IDBDatabaseType, 82 IDBFactoryType, 83 IDBIndexType, 84 IDBObjectStoreType, 85 IDBTransactionType, 86 ScriptValueType, 87 IntegerType, 88 StringType, 89 KeyPathType, 90 }; 91 92 Type type() const { return m_type; } 93 // Use type() to figure out which one of these you're allowed to call. 94 PassRefPtr<DOMStringList> domStringList(); 95 PassRefPtr<IDBCursor> idbCursor(); 96 PassRefPtr<IDBCursorWithValue> idbCursorWithValue(); 97 PassRefPtr<IDBDatabase> idbDatabase(); 98 PassRefPtr<IDBFactory> idbFactory(); 99 PassRefPtr<IDBIndex> idbIndex(); 100 PassRefPtr<IDBObjectStore> idbObjectStore(); 101 PassRefPtr<IDBTransaction> idbTransaction(); 102 const ScriptValue& scriptValue(); 103 int64_t integer(); 104 const String& string(); 105 const IDBKeyPath& keyPath() { return m_idbKeyPath; }; 106 107 private: 108 explicit IDBAny(Type); 109 explicit IDBAny(PassRefPtr<DOMStringList>); 110 explicit IDBAny(PassRefPtr<IDBCursor>); 111 explicit IDBAny(PassRefPtr<IDBDatabase>); 112 explicit IDBAny(PassRefPtr<IDBFactory>); 113 explicit IDBAny(PassRefPtr<IDBIndex>); 114 explicit IDBAny(PassRefPtr<IDBObjectStore>); 115 explicit IDBAny(PassRefPtr<IDBTransaction>); 116 explicit IDBAny(const IDBKeyPath&); 117 explicit IDBAny(const String&); 118 explicit IDBAny(const ScriptValue&); 119 explicit IDBAny(int64_t); 120 121 const Type m_type; 122 123 // Only one of the following should ever be in use at any given time. 124 const RefPtr<DOMStringList> m_domStringList; 125 const RefPtr<IDBCursor> m_idbCursor; 126 const RefPtr<IDBDatabase> m_idbDatabase; 127 const RefPtr<IDBFactory> m_idbFactory; 128 const RefPtr<IDBIndex> m_idbIndex; 129 const RefPtr<IDBObjectStore> m_idbObjectStore; 130 const RefPtr<IDBTransaction> m_idbTransaction; 131 const IDBKeyPath m_idbKeyPath; 132 const ScriptValue m_scriptValue; 133 const String m_string; 134 const int64_t m_integer; 135 }; 136 137 } // namespace WebCore 138 139 #endif // IDBAny_h 140