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#ifndef QEVENTDISPATCHER_MAC_P_H

#define QEVENTDISPATCHER_MAC_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 <QtGui/qwindowdefs.h>

#include <QtCore/qhash.h>

#include <QtCore/qstack.h>

#include "private/qabstracteventdispatcher_p.h"

#include "private/qt_mac_p.h"

QT_BEGIN_NAMESPACE

#ifdef QT_MAC_USE_COCOA

typedef struct _NSModalSession *NSModalSession;

typedef struct _QCocoaModalSessionInfo {

    QPointer<QWidget> widget;

    NSModalSession session;

} QCocoaModalSessionInfo;

#endif

class QEventDispatcherMacPrivate;

class QEventDispatcherMac : public QAbstractEventDispatcher

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QEventDispatcherMac)

public:

    explicit QEventDispatcherMac(QObject *parent = 0);

    ~QEventDispatcherMac();

    bool processEvents(QEventLoop::ProcessEventsFlags flags);

    bool hasPendingEvents();

    void registerSocketNotifier(QSocketNotifier *notifier);

    void unregisterSocketNotifier(QSocketNotifier *notifier);

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

    bool unregisterTimer(int timerId);

    bool unregisterTimers(QObject *object);

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

    void wakeUp();

    void flush();

    void interrupt();

private:

    friend void qt_mac_select_timer_callbk(__EventLoopTimer*, void*);

    friend class QApplicationPrivate;

};

struct MacTimerInfo {

    int id;

    int interval;

    QObject *obj;

    bool pending;

    CFRunLoopTimerRef runLoopTimer;

    bool operator==(const MacTimerInfo &other)

    {

        return (id == other.id);

    }

};

typedef QHash<int, MacTimerInfo *> MacTimerHash;

struct MacSocketInfo {

    MacSocketInfo() : socket(0), runloop(0), readNotifier(0), writeNotifier(0) {}

    CFSocketRef socket;

    CFRunLoopSourceRef runloop;

    QObject *readNotifier;

    QObject *writeNotifier;

};

typedef QHash<int, MacSocketInfo *> MacSocketHash;

class QEventDispatcherMacPrivate : public QAbstractEventDispatcherPrivate

{

    Q_DECLARE_PUBLIC(QEventDispatcherMac)

public:

    QEventDispatcherMacPrivate();

    static MacTimerHash macTimerHash;

    // Set 'blockSendPostedEvents' to true if you _really_ need

    // to make sure that qt events are not posted while calling

    // low-level cocoa functions (like beginModalForWindow). And

    // use a QBoolBlocker to be safe:

    static bool blockSendPostedEvents;

#ifdef QT_MAC_USE_COCOA

    // The following variables help organizing modal sessions:

    static QStack<QCocoaModalSessionInfo> cocoaModalSessionStack;

    static bool currentExecIsNSAppRun;

    static bool nsAppRunCalledByQt;

    static NSModalSession currentModalSessionCached;

    static void updateChildrenWorksWhenModal();

    static NSModalSession currentModalSession();

    static int activeModalSessionCount();

    static void temporarilyStopAllModalSessions();

    static void beginModalSession(QWidget *widget);

    static void endModalSession(QWidget *widget);

#endif

    MacSocketHash macSockets;

    QList<void *> queuedUserInputEvents; // List of EventRef in Carbon, and NSEvent * in Cocoa

    CFRunLoopSourceRef postedEventsSource;

    CFRunLoopObserverRef waitingObserver;

    CFRunLoopObserverRef firstTimeObserver;

    QAtomicInt serialNumber;

    int lastSerial;

    bool interrupt;

private:

    static Boolean postedEventSourceEqualCallback(const void *info1, const void *info2);

    static void postedEventsSourcePerformCallback(void *info);

    static void activateTimer(CFRunLoopTimerRef, void *info);

    static void waitingObserverCallback(CFRunLoopObserverRef observer,

                                        CFRunLoopActivity activity, void *info);

    static void firstLoopEntry(CFRunLoopObserverRef ref, CFRunLoopActivity activity, void *info);

};

#ifdef QT_MAC_USE_COCOA

class QtMacInterruptDispatcherHelp : public QObject

{

    static QtMacInterruptDispatcherHelp *instance;

    bool cancelled;

    QtMacInterruptDispatcherHelp();

    ~QtMacInterruptDispatcherHelp();

    public:

    static void interruptLater();

};

#endif

QT_END_NAMESPACE

#endif // QEVENTDISPATCHER_MAC_P_H