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/ScriptWrappable.h" 30 #include "modules/indexeddb/IDBKey.h" 31 #include "modules/indexeddb/IDBKeyPath.h" 32 #include "platform/SharedBuffer.h" 33 #include "wtf/PassRefPtr.h" 34 #include "wtf/RefCounted.h" 35 #include "wtf/RefPtr.h" 36 #include "wtf/text/WTFString.h" 37 38 namespace WebCore { 39 40 class DOMStringList; 41 class IDBCursor; 42 class IDBCursorWithValue; 43 class IDBDatabase; 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> createUndefined(); 52 static PassRefPtr<IDBAny> createNull(); 53 static PassRefPtr<IDBAny> createString(const String&); 54 template<typename T> create(T * idbObject)55 static PassRefPtr<IDBAny> create(T* idbObject) 56 { 57 return adoptRef(new IDBAny(idbObject)); 58 } 59 template<typename T> create(const T & idbObject)60 static PassRefPtr<IDBAny> create(const T& idbObject) 61 { 62 return adoptRef(new IDBAny(idbObject)); 63 } 64 template<typename T> create(PassRefPtr<T> idbObject)65 static PassRefPtr<IDBAny> create(PassRefPtr<T> idbObject) 66 { 67 return adoptRef(new IDBAny(idbObject)); 68 } create(int64_t value)69 static PassRefPtr<IDBAny> create(int64_t value) 70 { 71 return adoptRef(new IDBAny(value)); 72 } create(PassRefPtr<SharedBuffer> value,PassRefPtr<IDBKey> key,const IDBKeyPath & keyPath)73 static PassRefPtr<IDBAny> create(PassRefPtr<SharedBuffer> value, PassRefPtr<IDBKey> key, const IDBKeyPath& keyPath) 74 { 75 return adoptRef(new IDBAny(value, key, keyPath)); 76 } 77 ~IDBAny(); 78 79 enum Type { 80 UndefinedType = 0, 81 NullType, 82 DOMStringListType, 83 IDBCursorType, 84 IDBCursorWithValueType, 85 IDBDatabaseType, 86 IDBIndexType, 87 IDBObjectStoreType, 88 IDBTransactionType, 89 BufferType, 90 IntegerType, 91 StringType, 92 KeyPathType, 93 KeyType, 94 BufferKeyAndKeyPathType, 95 }; 96 type()97 Type type() const { return m_type; } 98 // Use type() to figure out which one of these you're allowed to call. 99 DOMStringList* domStringList() const; 100 IDBCursor* idbCursor() const; 101 IDBCursorWithValue* idbCursorWithValue() const; 102 IDBDatabase* idbDatabase() const; 103 IDBIndex* idbIndex() const; 104 IDBObjectStore* idbObjectStore() const; 105 IDBTransaction* idbTransaction() const; 106 SharedBuffer* buffer() const; 107 int64_t integer() const; 108 const String& string() const; 109 const IDBKey* key() const; 110 const IDBKeyPath& keyPath() const; 111 112 private: 113 explicit IDBAny(Type); 114 explicit IDBAny(PassRefPtr<DOMStringList>); 115 explicit IDBAny(PassRefPtr<IDBCursor>); 116 explicit IDBAny(PassRefPtr<IDBDatabase>); 117 explicit IDBAny(PassRefPtr<IDBIndex>); 118 explicit IDBAny(PassRefPtr<IDBObjectStore>); 119 explicit IDBAny(PassRefPtr<IDBTransaction>); 120 explicit IDBAny(PassRefPtr<IDBKey>); 121 explicit IDBAny(const IDBKeyPath&); 122 explicit IDBAny(const String&); 123 explicit IDBAny(PassRefPtr<SharedBuffer>); 124 explicit IDBAny(PassRefPtr<SharedBuffer>, PassRefPtr<IDBKey>, const IDBKeyPath&); 125 explicit IDBAny(int64_t); 126 127 const Type m_type; 128 129 // Only one of the following should ever be in use at any given time. 130 const RefPtr<DOMStringList> m_domStringList; 131 const RefPtr<IDBCursor> m_idbCursor; 132 const RefPtr<IDBDatabase> m_idbDatabase; 133 const RefPtr<IDBIndex> m_idbIndex; 134 const RefPtr<IDBObjectStore> m_idbObjectStore; 135 const RefPtr<IDBTransaction> m_idbTransaction; 136 const RefPtr<IDBKey> m_idbKey; 137 const IDBKeyPath m_idbKeyPath; 138 const RefPtr<SharedBuffer> m_buffer; 139 const String m_string; 140 const int64_t m_integer; 141 }; 142 143 } // namespace WebCore 144 145 #endif // IDBAny_h 146