qdispatchtimer.h

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/*
* Copyright (c) 2011-2012 MLBA-Team. All rights reserved.
*
* @MLBA_OPEN_LICENSE_HEADER_START@
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @MLBA_OPEN_LICENSE_HEADER_END@
*/


#ifndef QDISPATCH_TIMER_H_
#define QDISPATCH_TIMER_H_

#include "qdispatchglobal.h"
#include "qblockrunnable.h"

#include <QtCore/qobject.h>

QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE

class QTime;
class QRunnable;

QT_MODULE(Dispatch)


class Q_DISPATCH_EXPORT QDispatchTimer : public QObject, private xdispatch::timer {

        Q_OBJECT

    public:
        QDispatchTimer(int msec, QObject* parent = NULL);
        QDispatchTimer(const QDispatchTimer&);
        QDispatchTimer(const xdispatch::timer&, QObject* parent = NULL);
        ~QDispatchTimer();
        void setInterval(int msec);
        void setTargetQueue(const xdispatch::queue&);
        void setHandler(QRunnable*);
#ifdef XDISPATCH_HAS_BLOCKS

        inline void setHandler(dispatch_block_t b) {
            setHandler( new QBlockRunnable(b) );
        }
#endif

        void setLatency(int usec);
        static void singleShot(dispatch_time_t, const xdispatch::queue&, QRunnable*);
        static void singleShot(const QTime&, const xdispatch::queue&, QRunnable*);
#ifdef XDISPATCH_HAS_BLOCKS

        static void singleShot(dispatch_time_t t, const xdispatch::queue& q, dispatch_block_t b) {
            singleShot( t, q, new QBlockRunnable(b) );
        }
        static void singleShot(const QTime& t, const xdispatch::queue& q, dispatch_block_t b) {
            singleShot( t, q, new QBlockRunnable(b) );
        }
#endif
        static QDispatchTimer* current();

        bool operator ==(const QDispatchTimer&);

    public slots:
        void start();
        void stop();

};

QT_END_NAMESPACE
QT_END_HEADER

#endif /* QDISPATCH_SEMAPHORE_H_ */