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#ifndef QABSTRACTEVENTDISPATCHER_H

#define QABSTRACTEVENTDISPATCHER_H

#include <QtCore/qobject.h>

#include <QtCore/qeventloop.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QAbstractEventDispatcherPrivate;

class QSocketNotifier;

template <typename T1, typename T2> struct QPair;

class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QAbstractEventDispatcher)

public:

    typedef QPair<int, int> TimerInfo;

    explicit QAbstractEventDispatcher(QObject *parent = 0);

    ~QAbstractEventDispatcher();

    static QAbstractEventDispatcher *instance(QThread *thread = 0);

    virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0;

    virtual bool hasPendingEvents() = 0;

    virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0;

    virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0;

    int registerTimer(int interval, QObject *object);

    virtual void registerTimer(int timerId, int interval, QObject *object) = 0;

    virtual bool unregisterTimer(int timerId) = 0;

    virtual bool unregisterTimers(QObject *object) = 0;

    virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0;

    virtual void wakeUp() = 0;

    virtual void interrupt() = 0;

    virtual void flush() = 0;

    virtual void startingUp();

    virtual void closingDown();

    typedef bool(*EventFilter)(void *message);

    EventFilter setEventFilter(EventFilter filter);

    bool filterEvent(void *message);

Q_SIGNALS:

    void aboutToBlock();

    void awake();

protected:

    QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &,

                             QObject *parent);

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QABSTRACTEVENTDISPATCHER_H