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/*
* 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 IDBCallbacks_h
#define IDBCallbacks_h
#include "IDBDatabaseBackendInterface.h"
#include "IDBDatabaseError.h"
#include "IDBKey.h"
#include "IDBKeyPath.h"
#include "SharedBuffer.h"
#include <wtf/RefCounted.h>
#if ENABLE(INDEXED_DATABASE)
namespace WebCore {
class DOMStringList;
class IDBCursorBackendInterface;
class IDBCallbacks : public RefCounted<IDBCallbacks> {
public:
virtual ~IDBCallbacks() { }
virtual void onError(PassRefPtr<IDBDatabaseError>) = 0;
// From IDBFactory.webkitGetDatabaseNames()
virtual void onSuccess(PassRefPtr<DOMStringList>) = 0;
// From IDBObjectStore/IDBIndex.openCursor(), IDBIndex.openKeyCursor()
virtual void onSuccess(PassRefPtr<IDBCursorBackendInterface>, PassRefPtr<IDBKey>, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer>) = 0;
// From IDBObjectStore.add()/put(), IDBIndex.getKey()
virtual void onSuccess(PassRefPtr<IDBKey>) = 0;
// From IDBObjectStore/IDBIndex.get()/count(), and various methods that yield null/undefined.
virtual void onSuccess(PassRefPtr<SharedBuffer>) = 0;
// From IDBObjectStore/IDBIndex.get() (with key injection)
virtual void onSuccess(PassRefPtr<SharedBuffer>, PassRefPtr<IDBKey>, const IDBKeyPath&) = 0;
// From IDBObjectStore/IDBIndex.count()
virtual void onSuccess(int64_t value) = 0;
// From IDBFactor.deleteDatabase(), IDBObjectStore/IDBIndex.get(), IDBObjectStore.delete(), IDBObjectStore.clear()
virtual void onSuccess() = 0;
// From IDBCursor.advance()/continue()
virtual void onSuccess(PassRefPtr<IDBKey>, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer>) = 0;
// From IDBCursor.advance()/continue()
virtual void onSuccessWithPrefetch(const Vector<RefPtr<IDBKey> >& keys, const Vector<RefPtr<IDBKey> >& primaryKeys, const Vector<RefPtr<SharedBuffer> >& values) = 0;
// From IDBFactory.open()/deleteDatabase()
virtual void onBlocked(int64_t /* existingVersion */) { ASSERT_NOT_REACHED(); }
// From IDBFactory.open()
virtual void onUpgradeNeeded(int64_t /* oldVersion */, PassRefPtr<IDBDatabaseBackendInterface>, const IDBDatabaseMetadata&) { ASSERT_NOT_REACHED(); }
virtual void onSuccess(PassRefPtr<IDBDatabaseBackendInterface>, const IDBDatabaseMetadata&) { ASSERT_NOT_REACHED(); }
};
} // namespace WebCore
#endif
#endif // IDBCallbacks_h
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