qdispatchgroup.h

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/*
* Copyright (c) 2011 MLBA. 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_GROUP_H_
#define QDISPATCH_GROUP_H_

#include <QObject>
#include <QScopedPointer>
#include "qdispatchglobal.h"
#include "../xdispatch/dispatch.h"

QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE

class QRunnable;
class QDispatchQueue;
class QTime;

QT_MODULE(Dispatch)


class Q_DISPATCH_EXPORT QDispatchGroup : public QObject, public xdispatch::group {

       Q_OBJECT

public:
       QDispatchGroup();
    QDispatchGroup(dispatch_group_t);
    QDispatchGroup(const QDispatchGroup&);
    QDispatchGroup(const xdispatch::group&);
       ~QDispatchGroup();

    void async(QRunnable* r, const xdispatch::queue& = xdispatch::global_queue());
    using xdispatch::group::async;
       bool wait(const QTime& t);
    using xdispatch::group::wait;
    void notify(QRunnable* r, const xdispatch::queue& = xdispatch::global_queue());
    void notify(xdispatch::operation*, const xdispatch::queue& = xdispatch::global_queue());
#ifdef XDISPATCH_HAS_BLOCKS

    void notify(dispatch_block_t, const xdispatch::queue& = xdispatch::global_queue());
#endif

    void enableAllFinishedSignal();

public slots:
       void resume();
       void suspend();

signals:
    void allFinished();

private:

    class Emitter;
    friend class Emitter;
       friend Q_DECL_EXPORT QDebug operator<<(QDebug, const QDispatchGroup&);
    
       class Private;
    QScopedPointer<Private> d;
};

Q_DECL_EXPORT QDebug operator<<(QDebug, const QDispatchGroup&);

QT_END_NAMESPACE
QT_END_HEADER

#endif /* QDISPATCH_GROUP_H_ */