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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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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 QFUTUREINTERFACE_P_H | |
#define QFUTUREINTERFACE_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 <QtCore/qelapsedtimer.h> | |
#include <QtCore/qcoreevent.h> | |
#include <QtCore/qlist.h> | |
#include <QtCore/qwaitcondition.h> | |
#include <QtCore/qrunnable.h> | |
QT_BEGIN_NAMESPACE | |
class QFutureCallOutEvent : public QEvent | |
{ | |
public: | |
enum CallOutType { | |
Started, | |
Finished, | |
Canceled, | |
Paused, | |
Resumed, | |
Progress, | |
ProgressRange, | |
ResultsReady | |
}; | |
QFutureCallOutEvent() | |
: QEvent(QEvent::FutureCallOut), callOutType(CallOutType(0)), index1(-1), index2(-1) | |
{ } | |
QFutureCallOutEvent(CallOutType callOutType, int index1 = -1) | |
: QEvent(QEvent::FutureCallOut), callOutType(callOutType), index1(index1), index2(-1) | |
{ } | |
QFutureCallOutEvent(CallOutType callOutType, int index1, int index2) | |
: QEvent(QEvent::FutureCallOut), callOutType(callOutType), index1(index1), index2(index2) | |
{ } | |
QFutureCallOutEvent(CallOutType callOutType, int index1, const QString &text) | |
: QEvent(QEvent::FutureCallOut), | |
callOutType(callOutType), | |
index1(index1), | |
index2(-1), | |
text(text) | |
{ } | |
CallOutType callOutType; | |
int index1; | |
int index2; | |
QString text; | |
QFutureCallOutEvent *clone() const | |
{ | |
return new QFutureCallOutEvent(callOutType, index1, index2, text); | |
} | |
private: | |
QFutureCallOutEvent(CallOutType callOutType, | |
int index1, | |
int index2, | |
const QString &text) | |
: QEvent(QEvent::FutureCallOut), | |
callOutType(callOutType), | |
index1(index1), | |
index2(index2), | |
text(text) | |
{ } | |
}; | |
class QFutureCallOutInterface | |
{ | |
public: | |
virtual ~QFutureCallOutInterface() {} | |
virtual void postCallOutEvent(const QFutureCallOutEvent &) = 0; | |
virtual void callOutInterfaceDisconnected() = 0; | |
}; | |
class QFutureInterfaceBasePrivate | |
{ | |
public: | |
QFutureInterfaceBasePrivate(QFutureInterfaceBase::State initialState); | |
QAtomicInt refCount; | |
mutable QMutex m_mutex; | |
QWaitCondition waitCondition; | |
QList<QFutureCallOutInterface *> outputConnections; | |
int m_progressValue; | |
int m_progressMinimum; | |
int m_progressMaximum; | |
QFutureInterfaceBase::State state; | |
QElapsedTimer progressTime; | |
QWaitCondition pausedWaitCondition; | |
int pendingResults; | |
QtConcurrent::ResultStoreBase m_results; | |
bool manualProgress; | |
int m_expectedResultCount; | |
QtConcurrent::internal::ExceptionStore m_exceptionStore; | |
QString m_progressText; | |
QRunnable *runnable; | |
// Internal functions that does not change the mutex state. | |
// The mutex must be locked when calling these. | |
int internal_resultCount() const; | |
bool internal_isResultReadyAt(int index) const; | |
bool internal_waitForNextResult(); | |
bool internal_updateProgress(int progress, const QString &progressText = QString()); | |
void internal_setThrottled(bool enable); | |
void sendCallOut(const QFutureCallOutEvent &callOut); | |
void sendCallOuts(const QFutureCallOutEvent &callOut1, const QFutureCallOutEvent &callOut2); | |
void connectOutputInterface(QFutureCallOutInterface *iface); | |
void disconnectOutputInterface(QFutureCallOutInterface *iface); | |
void setState(QFutureInterfaceBase::State state); | |
}; | |
QT_END_NAMESPACE | |
#endif |