1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/****************************************************************************
**
** Copyright (C) 2010 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 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/qdatetime.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;
QTime progressTime;
bool progressTimeStarted;
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
|
