--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/storage/IDBRequest.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef IDBRequest_h
+#define IDBRequest_h
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "ActiveDOMObject.h"
+#include "EventListener.h"
+#include "EventNames.h"
+#include "EventTarget.h"
+#include "IDBAny.h"
+#include "IDBCallbacks.h"
+#include "Timer.h"
+
+namespace WebCore {
+
+class IDBDatabaseRequest;
+
+class IDBRequest : public IDBCallbacks, public EventTarget, public ActiveDOMObject {
+public:
+    static PassRefPtr<IDBRequest> create(ScriptExecutionContext* context, PassRefPtr<IDBAny> source) { return adoptRef(new IDBRequest(context, source)); }
+    virtual ~IDBRequest();
+
+    // Defined in the IDL
+    void abort();
+    enum ReadyState {
+        INITIAL = 0,
+        LOADING = 1,
+        DONE = 2
+    };
+    unsigned short readyState() const { return m_readyState; }
+    PassRefPtr<IDBDatabaseError> error() const { return m_error; }
+    PassRefPtr<IDBAny> result() { return m_result; }
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(success);
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
+
+    // IDBCallbacks
+    virtual void onError(PassRefPtr<IDBDatabaseError>);
+    virtual void onSuccess(); // For "null".
+    virtual void onSuccess(PassRefPtr<IDBDatabase>);
+    virtual void onSuccess(PassRefPtr<IDBIndex>);
+    virtual void onSuccess(PassRefPtr<IDBKey>);
+    virtual void onSuccess(PassRefPtr<IDBObjectStore>);
+    virtual void onSuccess(PassRefPtr<SerializedScriptValue>);
+
+    // EventTarget
+    virtual IDBRequest* toIDBRequest() { return this; }
+
+    // ActiveDOMObject
+    virtual ScriptExecutionContext* scriptExecutionContext() const;
+    virtual void stop();
+    virtual void suspend();
+    virtual void resume();
+
+    using RefCounted<IDBCallbacks>::ref;
+    using RefCounted<IDBCallbacks>::deref;
+
+private:
+    IDBRequest(ScriptExecutionContext*, PassRefPtr<IDBAny> source);
+
+    void timerFired(Timer<IDBRequest>*);
+    void onEventCommon();
+
+    // EventTarget
+    virtual void refEventTarget() { ref(); }
+    virtual void derefEventTarget() { deref(); }
+    virtual EventTargetData* eventTargetData();
+    virtual EventTargetData* ensureEventTargetData();
+
+    RefPtr<IDBAny> m_source;
+
+    RefPtr<IDBAny> m_result;
+    RefPtr<IDBDatabaseError> m_error;
+
+    // Used to fire events asynchronously.
+    Timer<IDBRequest> m_timer;
+    RefPtr<IDBRequest> m_selfRef; // This is set to us iff there's an event pending.
+
+    bool m_stopped;
+    bool m_aborted;
+    ReadyState m_readyState;
+    EventTargetData m_eventTargetData;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)
+
+#endif // IDBRequest_h