1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
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 Digia. For licensing terms and |
14 | ** conditions see http://qt.digia.com/licensing. For further information |
15 | ** use the contact form at http://qt.digia.com/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 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
32 | ** Foundation and appearing in the file LICENSE.GPL included in the |
33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
35 | ** met: http://www.gnu.org/copyleft/gpl.html. |
36 | ** |
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 | |