2 * Copyright (C) 2010 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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
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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
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17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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32 #if ENABLE(INDEXED_DATABASE)
34 #include "ActiveDOMObject.h"
36 #include "EventListener.h"
37 #include "EventNames.h"
38 #include "EventTarget.h"
39 #include "ExceptionCode.h"
41 #include "IDBCallbacks.h"
47 class IDBRequest : public IDBCallbacks, public EventTarget, public ActiveDOMObject {
49 static PassRefPtr<IDBRequest> create(ScriptExecutionContext*, PassRefPtr<IDBAny> source, IDBTransaction*);
50 virtual ~IDBRequest();
52 PassRefPtr<IDBAny> result(ExceptionCode&) const;
53 unsigned short errorCode(ExceptionCode&) const;
54 String webkitErrorMessage(ExceptionCode&) const;
55 PassRefPtr<IDBAny> source() const;
56 PassRefPtr<IDBTransaction> transaction() const;
64 unsigned short readyState() const;
66 DEFINE_ATTRIBUTE_EVENT_LISTENER(success);
67 DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
69 void markEarlyDeath();
70 bool resetReadyState(IDBTransaction*);
71 void setCursorType(IDBCursorBackendInterface::CursorType);
76 virtual void onError(PassRefPtr<IDBDatabaseError>);
77 virtual void onSuccess(PassRefPtr<IDBDatabaseBackendInterface>);
78 virtual void onSuccess(PassRefPtr<IDBCursorBackendInterface>);
79 virtual void onSuccess(PassRefPtr<IDBKey>);
80 virtual void onSuccess(PassRefPtr<IDBTransactionBackendInterface>);
81 virtual void onSuccess(PassRefPtr<SerializedScriptValue>);
82 virtual void onBlocked();
85 virtual bool hasPendingActivity() const;
88 virtual IDBRequest* toIDBRequest() { return this; }
89 virtual ScriptExecutionContext* scriptExecutionContext() const;
90 virtual bool dispatchEvent(PassRefPtr<Event>);
91 bool dispatchEvent(PassRefPtr<Event> event, ExceptionCode& ec) { return EventTarget::dispatchEvent(event, ec); }
92 virtual void uncaughtExceptionInEventHandler();
94 using ThreadSafeRefCounted<IDBCallbacks>::ref;
95 using ThreadSafeRefCounted<IDBCallbacks>::deref;
98 IDBRequest(ScriptExecutionContext*, PassRefPtr<IDBAny> source, IDBTransaction*);
99 void enqueueEvent(PassRefPtr<Event>);
100 RefPtr<IDBAny> m_result;
101 unsigned short m_errorCode;
102 String m_errorMessage;
106 virtual void refEventTarget() { ref(); }
107 virtual void derefEventTarget() { deref(); }
108 virtual EventTargetData* eventTargetData();
109 virtual EventTargetData* ensureEventTargetData();
111 RefPtr<IDBAny> m_source;
112 RefPtr<IDBTransaction> m_transaction;
114 ReadyState m_readyState;
115 bool m_finished; // Is it possible that we'll fire any more events? If not, we're finished.
116 Vector<RefPtr<Event> > m_enqueuedEvents;
118 // Only used if the result type will be a cursor.
119 IDBCursorBackendInterface::CursorType m_cursorType;
121 EventTargetData m_eventTargetData;
124 } // namespace WebCore
126 #endif // ENABLE(INDEXED_DATABASE)
128 #endif // IDBRequest_h