1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtCore module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QABSTRACTEVENTDISPATCHER_H 43 #define QABSTRACTEVENTDISPATCHER_H 44 45 #include <QtCore/qobject.h> 46 #include <QtCore/qeventloop.h> 47 48 QT_BEGIN_HEADER 49 50 QT_BEGIN_NAMESPACE 51 52 QT_MODULE(Core) 53 54 class QAbstractEventDispatcherPrivate; 55 class QSocketNotifier; 56 template <typename T1, typename T2> struct QPair; 57 58 class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject 59 { 60 Q_OBJECT 61 Q_DECLARE_PRIVATE(QAbstractEventDispatcher) 62 63 public: 64 typedef QPair<int, int> TimerInfo; 65 66 explicit QAbstractEventDispatcher(QObject *parent = 0); 67 ~QAbstractEventDispatcher(); 68 69 static QAbstractEventDispatcher *instance(QThread *thread = 0); 70 71 virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0; 72 virtual bool hasPendingEvents() = 0; 73 74 virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0; 75 virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0; 76 77 int registerTimer(int interval, QObject *object); 78 virtual void registerTimer(int timerId, int interval, QObject *object) = 0; 79 virtual bool unregisterTimer(int timerId) = 0; 80 virtual bool unregisterTimers(QObject *object) = 0; 81 virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0; 82 83 virtual void wakeUp() = 0; 84 virtual void interrupt() = 0; 85 virtual void flush() = 0; 86 87 virtual void startingUp(); 88 virtual void closingDown(); 89 90 typedef bool(*EventFilter)(void *message); 91 EventFilter setEventFilter(EventFilter filter); 92 bool filterEvent(void *message); 93 94 Q_SIGNALS: 95 void aboutToBlock(); 96 void awake(); 97 98 protected: 99 QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &, 100 QObject *parent); 101 }; 102 103 QT_END_NAMESPACE 104 105 QT_END_HEADER 106 107 #endif // QABSTRACTEVENTDISPATCHER_H 108