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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTCONTACTFILTER_H
#define QABSTRACTCONTACTFILTER_H
#include <QList>
#include "qtcontactsglobal.h"
#include "qcontactmanager.h"
#include "qcontactsortorder.h"
#include "qcontactfilter.h"
QTM_USE_NAMESPACE
class CntAbstractContactFilter
{
public:
virtual ~CntAbstractContactFilter(){};
public:
enum FilterSupport {
/* The filter is not supported */
NotSupported = 0,
/* The filter is illegal. Filtering is not allowed and the operation
* should fail immediately with an error.
*/
IllegalFilter,
/* The filter is supported natively */
Supported,
/* The filter is not fully natively supported, but for performance
* reasons the contact filter implementation pretends supporting the
* filter when it actually maps the filter to another, less strict
* filter.
*
* For example if the caller uses match flag QContactFilter::MatchExactly,
* the filter actually gives the result as QContactFilter::MatchContains
* (because of the limitations in the underlying database).
*
* The result then needs to be filtered by the caller (for example by
* using QContactManagerEngine::testFilter).
*/
SupportedPreFilterOnly
};
public:
virtual QList<QContactLocalId> contacts(
const QContactFilter &filter,
const QList<QContactSortOrder> &sortOrders,
bool &filterSupported,
QContactManager::Error* error) = 0;
virtual bool filterSupported(const QContactFilter& filter) = 0;
};
#endif /* QABSTRACTCONTACTFILTER_H */
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