Initial import from the monolithic Qt.

This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:

http://qt.gitorious.org/qt/pages/GitIntroductionWithQt

If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.

Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 327 insertions, 0 deletions

diff --git a/src/corelib/kernel/qeventdispatcher_symbian_p.h b/src/corelib/kernel/qeventdispatcher_symbian_p.h
new file mode 100644
index 0000000000..6fdd4b248d
--- /dev/null
+++ b/src/corelib/kernel/qeventdispatcher_symbian_p.h
@@ -0,0 +1,327 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 Q_CORE_EXPORT QActiveObject : public CActive
+{
+public:
+    QActiveObject(TInt priority, QEventDispatcherSymbian *dispatcher);
+    ~QActiveObject();
+
+    bool maybeQueueForLater();
+    bool maybeDeferSocketEvent();
+
+    void reactivateAndComplete();
+
+    static bool wait(CActive* ao, int ms);
+    static bool wait(QList<CActive*> aos, int ms);
+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();
+
+private:
+    TThreadId m_hostThreadId;
+};
+
+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();
+    void run();
+
+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 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; }
+
+    void addDeferredSocketActiveObject(QActiveObject *object);
+    inline bool areSocketEventsBlocked() const { return m_noSocketEvents; }
+
+    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;
+    //deferred until socket events are enabled
+    QList<QActiveObject *> m_deferredSocketEvents;
+    //deferred until idle
+    QList<QActiveObject *> m_deferredActiveObjects;
+
+    int m_delay;
+    int m_avgEventTime;
+    QElapsedTimer 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