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** rights. These rights are described in the Nokia Qt LGPL Exception | |
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** | |
** GNU General Public License Usage | |
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** file. Please review the following information to ensure the GNU General | |
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#ifndef QEVENTDISPATCHER_SYMBIAN_P_H | |
#define QEVENTDISPATCHER_SYMBIAN_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include <qhash.h> | |
#include <qset.h> | |
#include <qshareddata.h> | |
#include <qabstracteventdispatcher.h> | |
#include <private/qabstracteventdispatcher_p.h> | |
#include <qthread.h> | |
#include <qmutex.h> | |
#include <qwaitcondition.h> | |
#include <qsocketnotifier.h> | |
#include <qdatetime.h> | |
#include <qelapsedtimer.h> | |
#include <e32base.h> | |
#include <sys/types.h> | |
#include <sys/socket.h> | |
#include <sys/select.h> | |
QT_BEGIN_NAMESPACE | |
class QEventDispatcherSymbian; | |
class QTimerActiveObject; | |
class QActiveObject : public CActive | |
{ | |
public: | |
QActiveObject(TInt priority, QEventDispatcherSymbian *dispatcher); | |
~QActiveObject(); | |
bool maybeQueueForLater(); | |
void reactivateAndComplete(); | |
protected: | |
QEventDispatcherSymbian *m_dispatcher; | |
private: | |
bool m_hasAlreadyRun : 1; | |
bool m_hasRunAgain : 1; | |
int m_iterationCount; | |
}; | |
class QWakeUpActiveObject : public QActiveObject | |
{ | |
public: | |
QWakeUpActiveObject(QEventDispatcherSymbian *dispatcher); | |
~QWakeUpActiveObject(); | |
void Complete(); | |
protected: | |
void DoCancel(); | |
void RunL(); | |
}; | |
struct SymbianTimerInfo : public QSharedData | |
{ | |
SymbianTimerInfo(); | |
~SymbianTimerInfo(); | |
int timerId; | |
int interval; | |
int msLeft; | |
bool inTimerEvent; | |
QObject *receiver; | |
QTimerActiveObject *timerAO; | |
QEventDispatcherSymbian *dispatcher; | |
}; | |
typedef QExplicitlySharedDataPointer<SymbianTimerInfo> SymbianTimerInfoPtr; | |
// This is a bit of a proxy class. See comments in SetActive and Start for details. | |
class QTimerActiveObject : public QActiveObject | |
{ | |
public: | |
QTimerActiveObject(QEventDispatcherSymbian *dispatcher, SymbianTimerInfo *timerInfo); | |
~QTimerActiveObject(); | |
void Start(); | |
protected: | |
void DoCancel(); | |
void RunL(); | |
private: | |
void Run(); | |
void StartTimer(); | |
private: | |
SymbianTimerInfo *m_timerInfo; | |
QElapsedTimer m_timeoutTimer; | |
int m_expectedTimeSinceLastEvent; | |
RTimer m_rTimer; | |
}; | |
class QCompleteDeferredAOs : public CActive | |
{ | |
public: | |
QCompleteDeferredAOs(QEventDispatcherSymbian *dispatcher); | |
~QCompleteDeferredAOs(); | |
void complete(); | |
protected: | |
void DoCancel(); | |
void RunL(); | |
private: | |
QEventDispatcherSymbian *m_dispatcher; | |
}; | |
class QSocketActiveObject : public QActiveObject | |
{ | |
public: | |
QSocketActiveObject(QEventDispatcherSymbian *dispatcher, QSocketNotifier *notifier); | |
~QSocketActiveObject(); | |
void deleteLater(); | |
protected: | |
void DoCancel(); | |
void RunL(); | |
private: | |
QSocketNotifier *m_notifier; | |
bool m_inSocketEvent; | |
bool m_deleteLater; | |
friend class QEventDispatcherSymbian; | |
}; | |
class QSelectThread : public QThread | |
{ | |
Q_DECLARE_PRIVATE(QThread) | |
public: | |
QSelectThread(); | |
~QSelectThread(); | |
void requestSocketEvents ( QSocketNotifier *notifier, TRequestStatus *status ); | |
void cancelSocketEvents ( QSocketNotifier *notifier ); | |
void restart(); | |
void stop(); | |
protected: | |
void run(); | |
private: | |
int updateSocketSet(QSocketNotifier::Type type, fd_set *fds); | |
void updateActivatedNotifiers(QSocketNotifier::Type type, fd_set *fds); | |
private: | |
int m_pipeEnds[2]; | |
QHash<QSocketNotifier *, TRequestStatus *> m_AOStatuses; | |
QMutex m_mutex; | |
QWaitCondition m_waitCond; | |
bool m_quit; | |
}; | |
class Q_CORE_EXPORT CQtActiveScheduler : public CActiveScheduler | |
{ | |
public: // from CActiveScheduler | |
virtual void Error(TInt aError) const; | |
}; | |
class Q_CORE_EXPORT QEventDispatcherSymbian : public QAbstractEventDispatcher | |
{ | |
Q_OBJECT | |
Q_DECLARE_PRIVATE(QAbstractEventDispatcher) | |
public: | |
QEventDispatcherSymbian(QObject *parent = 0); | |
~QEventDispatcherSymbian(); | |
void flush(); | |
bool hasPendingEvents(); | |
void interrupt(); | |
bool processEvents ( QEventLoop::ProcessEventsFlags flags ); | |
void registerSocketNotifier ( QSocketNotifier * notifier ); | |
void registerTimer ( int timerId, int interval, QObject * object ); | |
QList<TimerInfo> registeredTimers ( QObject * object ) const; | |
void unregisterSocketNotifier ( QSocketNotifier * notifier ); | |
bool unregisterTimer ( int timerId ); | |
bool unregisterTimers ( QObject * object ); | |
void wakeUp(); | |
void startingUp(); | |
void closingDown(); | |
void timerFired(int timerId); | |
void socketFired(QSocketActiveObject *socketAO); | |
void wakeUpWasCalled(); | |
void reactivateSocketNotifier(QSocketNotifier *notifier); | |
void addDeferredActiveObject(QActiveObject *object); | |
void removeDeferredActiveObject(QActiveObject *object); | |
void queueDeferredActiveObjectsCompletion(); | |
// Can be overridden to activate local active objects too, but do call baseclass! | |
virtual void reactivateDeferredActiveObjects(); | |
inline int iterationCount() const { return m_iterationCount; } | |
static void RequestComplete(TRequestStatus *&status, TInt reason); | |
static void RequestComplete(RThread &threadHandle, TRequestStatus *&status, TInt reason); | |
private: | |
bool sendPostedEvents(); | |
bool sendDeferredSocketEvents(); | |
QSelectThread& selectThread(); | |
private: | |
QSelectThread *m_selectThread; | |
CQtActiveScheduler *m_activeScheduler; | |
QHash<int, SymbianTimerInfoPtr> m_timerList; | |
QHash<QSocketNotifier *, QSocketActiveObject *> m_notifiers; | |
QWakeUpActiveObject *m_wakeUpAO; | |
QCompleteDeferredAOs *m_completeDeferredAOs; | |
volatile bool m_interrupt; | |
QAtomicInt m_wakeUpDone; | |
unsigned char m_iterationCount; | |
bool m_insideTimerEvent; | |
bool m_noSocketEvents; | |
QList<QSocketActiveObject *> m_deferredSocketEvents; | |
QList<QActiveObject *> m_deferredActiveObjects; | |
int m_delay; | |
int m_avgEventTime; | |
QTime m_lastIdleRequestTimer; | |
}; | |
#ifdef QT_DEBUG | |
# define VERIFY_PENDING_REQUEST_STATUS \ | |
Q_ASSERT(status->Int() == KRequestPending); | |
#else | |
# define VERIFY_PENDING_REQUEST_STATUS | |
#endif | |
// Convenience functions for doing some sanity checking on our own complete code. | |
// Unless QT_DEBUG is defined, it is exactly equivalent to the Symbian version. | |
inline void QEventDispatcherSymbian::RequestComplete(TRequestStatus *&status, TInt reason) | |
{ | |
VERIFY_PENDING_REQUEST_STATUS | |
User::RequestComplete(status, reason); | |
} | |
inline void QEventDispatcherSymbian::RequestComplete(RThread &threadHandle, TRequestStatus *&status, TInt reason) | |
{ | |
VERIFY_PENDING_REQUEST_STATUS | |
threadHandle.RequestComplete(status, reason); | |
} | |
#undef VERIFY_PENDING_REQUEST_STATUS | |
QT_END_NAMESPACE | |
#endif // QEVENTDISPATCHER_SYMBIAN_P_H |