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/*
* Copyright (C) 2011 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.
*
* 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 IDBDatabaseCallbacks_h
#define IDBDatabaseCallbacks_h
#include "platform/heap/Handle.h"
#include "wtf/PassRefPtr.h"
namespace blink {
class DOMError;
class IDBDatabase;
class IDBDatabaseCallbacks : public GarbageCollectedFinalized<IDBDatabaseCallbacks> {
public:
static IDBDatabaseCallbacks* create();
virtual ~IDBDatabaseCallbacks();
void trace(Visitor*);
// IDBDatabaseCallbacks
virtual void onForcedClose();
virtual void onVersionChange(int64_t oldVersion, int64_t newVersion);
virtual void onAbort(int64_t transactionId, DOMError*);
virtual void onComplete(int64_t transactionId);
void connect(IDBDatabase*);
protected:
// Exposed to subclasses for unit tests.
IDBDatabaseCallbacks();
private:
// The initial IDBOpenDBRequest, final IDBDatabase, and/or
// WebIDBDatabaseCallbacks have strong references to an IDBDatabaseCallbacks
// object.
// Oilpan: We'd like to delete an IDBDatabase object by a
// GC. WebIDBDatabaseCallbacks can survive the GC, and IDBDatabaseCallbacks
// can survive too. m_database should be a weak reference to avoid that an
// IDBDatabase survives the GC with the IDBDatabaseCallbacks.
WeakMember<IDBDatabase> m_database;
};
} // namespace blink
#endif // IDBDatabaseCallbacks_h
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