author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 23:40:16 +0200 | |
branch | RCL_3 |
changeset 4 | 3b1da2848fc7 |
parent 0 | 1918ee327afb |
child 15 | b25b6dc3ff8b |
permissions | -rw-r--r-- |
0 | 1 |
/**************************************************************************** |
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** |
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3b1da2848fc7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtCore module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#ifndef QEVENTDISPATCHER_SYMBIAN_P_H |
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#define QEVENTDISPATCHER_SYMBIAN_P_H |
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// |
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// W A R N I N G |
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// ------------- |
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// |
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// This file is not part of the Qt API. It exists purely as an |
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// implementation detail. This header file may change from version to |
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// version without notice, or even be removed. |
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// |
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// We mean it. |
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// |
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#include <qhash.h> |
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#include <qset.h> |
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#include <qshareddata.h> |
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#include <qabstracteventdispatcher.h> |
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#include <private/qabstracteventdispatcher_p.h> |
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#include <qthread.h> |
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#include <qmutex.h> |
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#include <qwaitcondition.h> |
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#include <qsocketnotifier.h> |
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#include <e32base.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <sys/select.h> |
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QT_BEGIN_NAMESPACE |
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class QEventDispatcherSymbian; |
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class QTimerActiveObject; |
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class QActiveObject : public CActive |
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{ |
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public: |
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QActiveObject(TInt priority, QEventDispatcherSymbian *dispatcher); |
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~QActiveObject(); |
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bool okToRun(); |
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void reactivateAndComplete(); |
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protected: |
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QEventDispatcherSymbian *m_dispatcher; |
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private: |
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bool m_hasAlreadyRun : 1; |
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bool m_hasRunAgain : 1; |
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int m_iterationCount; |
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}; |
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class QWakeUpActiveObject : public CActive |
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{ |
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public: |
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QWakeUpActiveObject(QEventDispatcherSymbian *dispatcher); |
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~QWakeUpActiveObject(); |
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void Complete(); |
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protected: |
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void DoCancel(); |
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void RunL(); |
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private: |
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QEventDispatcherSymbian *m_dispatcher; |
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}; |
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struct SymbianTimerInfo : public QSharedData |
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{ |
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SymbianTimerInfo(); |
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~SymbianTimerInfo(); |
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int timerId; |
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int interval; |
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int msLeft; |
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bool inTimerEvent; |
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QObject *receiver; |
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QTimerActiveObject *timerAO; |
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QEventDispatcherSymbian *dispatcher; |
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}; |
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typedef QExplicitlySharedDataPointer<SymbianTimerInfo> SymbianTimerInfoPtr; |
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// This is a bit of a proxy class. See comments in SetActive and Start for details. |
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class QTimerActiveObject : public QActiveObject |
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{ |
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public: |
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QTimerActiveObject(QEventDispatcherSymbian *dispatcher, SymbianTimerInfo *timerInfo); |
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~QTimerActiveObject(); |
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void Start(); |
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protected: |
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void DoCancel(); |
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void RunL(); |
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private: |
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void Run(); |
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void StartTimer(); |
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private: |
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SymbianTimerInfo *m_timerInfo; |
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RTimer m_rTimer; |
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}; |
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class QCompleteDeferredAOs : public CActive |
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{ |
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public: |
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QCompleteDeferredAOs(QEventDispatcherSymbian *dispatcher); |
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~QCompleteDeferredAOs(); |
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void complete(); |
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protected: |
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void DoCancel(); |
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void RunL(); |
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private: |
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QEventDispatcherSymbian *m_dispatcher; |
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}; |
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class QSocketActiveObject : public QActiveObject |
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{ |
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public: |
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QSocketActiveObject(QEventDispatcherSymbian *dispatcher, QSocketNotifier *notifier); |
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~QSocketActiveObject(); |
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void deleteLater(); |
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protected: |
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void DoCancel(); |
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void RunL(); |
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private: |
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QSocketNotifier *m_notifier; |
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bool m_inSocketEvent; |
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bool m_deleteLater; |
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friend class QEventDispatcherSymbian; |
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}; |
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class QSelectThread : public QThread |
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{ |
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Q_DECLARE_PRIVATE(QThread) |
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public: |
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QSelectThread(); |
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~QSelectThread(); |
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void requestSocketEvents ( QSocketNotifier *notifier, TRequestStatus *status ); |
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void cancelSocketEvents ( QSocketNotifier *notifier ); |
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void restart(); |
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void stop(); |
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protected: |
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void run(); |
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private: |
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int updateSocketSet(QSocketNotifier::Type type, fd_set *fds); |
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void updateActivatedNotifiers(QSocketNotifier::Type type, fd_set *fds); |
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private: |
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int m_pipeEnds[2]; |
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QHash<QSocketNotifier *, TRequestStatus *> m_AOStatuses; |
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QMutex m_mutex; |
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QWaitCondition m_waitCond; |
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bool m_quit; |
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}; |
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class Q_CORE_EXPORT CQtActiveScheduler : public CActiveScheduler |
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{ |
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public: // from CActiveScheduler |
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virtual void Error(TInt aError) const; |
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}; |
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class Q_CORE_EXPORT QEventDispatcherSymbian : public QAbstractEventDispatcher |
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{ |
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Q_DECLARE_PRIVATE(QAbstractEventDispatcher) |
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public: |
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QEventDispatcherSymbian(QObject *parent = 0); |
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~QEventDispatcherSymbian(); |
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void flush(); |
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bool hasPendingEvents(); |
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void interrupt(); |
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bool processEvents ( QEventLoop::ProcessEventsFlags flags ); |
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void registerSocketNotifier ( QSocketNotifier * notifier ); |
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void registerTimer ( int timerId, int interval, QObject * object ); |
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QList<TimerInfo> registeredTimers ( QObject * object ) const; |
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void unregisterSocketNotifier ( QSocketNotifier * notifier ); |
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bool unregisterTimer ( int timerId ); |
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bool unregisterTimers ( QObject * object ); |
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void wakeUp(); |
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void startingUp(); |
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void closingDown(); |
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void timerFired(int timerId); |
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void socketFired(QSocketActiveObject *socketAO); |
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void wakeUpWasCalled(); |
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void reactivateSocketNotifier(QSocketNotifier *notifier); |
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void addDeferredActiveObject(QActiveObject *object); |
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void removeDeferredActiveObject(QActiveObject *object); |
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void reactivateDeferredActiveObjects(); |
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inline int iterationCount() const { return m_iterationCount; } |
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static void RequestComplete(TRequestStatus *&status, TInt reason); |
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static void RequestComplete(RThread &threadHandle, TRequestStatus *&status, TInt reason); |
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private: |
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bool sendPostedEvents(); |
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bool sendDeferredSocketEvents(); |
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private: |
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QSelectThread m_selectThread; |
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CQtActiveScheduler *m_activeScheduler; |
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QHash<int, SymbianTimerInfoPtr> m_timerList; |
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QHash<QSocketNotifier *, QSocketActiveObject *> m_notifiers; |
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QWakeUpActiveObject *m_wakeUpAO; |
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QCompleteDeferredAOs *m_completeDeferredAOs; |
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volatile bool m_interrupt; |
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QAtomicInt m_wakeUpDone; |
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unsigned char m_iterationCount; |
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bool m_noSocketEvents; |
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QList<QSocketActiveObject *> m_deferredSocketEvents; |
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QList<QActiveObject *> m_deferredActiveObjects; |
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RProcess m_processHandle; |
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}; |
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#ifdef QT_DEBUG |
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# define VERIFY_PENDING_REQUEST_STATUS \ |
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Q_ASSERT(status->Int() == KRequestPending); |
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#else |
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# define VERIFY_PENDING_REQUEST_STATUS |
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#endif |
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// Convenience functions for doing some sanity checking on our own complete code. |
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// Unless QT_DEBUG is defined, it is exactly equivalent to the Symbian version. |
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inline void QEventDispatcherSymbian::RequestComplete(TRequestStatus *&status, TInt reason) |
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{ |
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VERIFY_PENDING_REQUEST_STATUS |
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User::RequestComplete(status, reason); |
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} |
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inline void QEventDispatcherSymbian::RequestComplete(RThread &threadHandle, TRequestStatus *&status, TInt reason) |
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{ |
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VERIFY_PENDING_REQUEST_STATUS |
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threadHandle.RequestComplete(status, reason); |
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} |
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#undef VERIFY_PENDING_REQUEST_STATUS |
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QT_END_NAMESPACE |
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#endif // QEVENTDISPATCHER_SYMBIAN_P_H |