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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef IDBRequest_h 29 #define IDBRequest_h 30 31 #include "ActiveDOMObject.h" 32 #include "EventTarget.h" 33 #include <wtf/PassRefPtr.h> 34 #include <wtf/RefCounted.h> 35 #include <wtf/RefPtr.h> 36 37 #if ENABLE(INDEXED_DATABASE) 38 39 namespace WebCore { 40 41 class IDBDatabaseError; 42 class SerializedScriptValue; 43 44 class IDBRequest : public RefCounted<IDBRequest>, public ActiveDOMObject, public EventTarget { 45 public: create(ScriptExecutionContext * context)46 static PassRefPtr<IDBRequest> create(ScriptExecutionContext* context) 47 { 48 return adoptRef(new IDBRequest(context)); 49 } 50 ~IDBRequest(); 51 52 void abort(); readyState()53 unsigned short readyState() const { return m_readyState; } error()54 IDBDatabaseError* error() const { return m_error.get(); } result()55 SerializedScriptValue* result() const { return m_result.get(); } 56 57 DEFINE_ATTRIBUTE_EVENT_LISTENER(success); 58 DEFINE_ATTRIBUTE_EVENT_LISTENER(error); 59 60 using RefCounted<IDBRequest>::ref; 61 using RefCounted<IDBRequest>::deref; 62 63 // EventTarget interface scriptExecutionContext()64 virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); } toIDBRequest()65 virtual IDBRequest* toIDBRequest() { return this; } 66 67 private: 68 explicit IDBRequest(ScriptExecutionContext* context); 69 70 // EventTarget interface refEventTarget()71 virtual void refEventTarget() { ref(); } derefEventTarget()72 virtual void derefEventTarget() { deref(); } 73 virtual EventTargetData* eventTargetData(); 74 virtual EventTargetData* ensureEventTargetData(); 75 76 unsigned short m_readyState; 77 RefPtr<IDBDatabaseError> m_error; 78 RefPtr<SerializedScriptValue> m_result; 79 80 EventTargetData m_eventTargetData; 81 }; 82 83 } // namespace WebCore 84 85 #endif 86 87 #endif // IDBRequest_h 88 89