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
|
/***************************************************************************
* Copyright (C) 2009 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "updateitemstatesthread.h"
#include <kversioncontrolplugin2.h>
#include <QMutexLocker>
UpdateItemStatesThread::UpdateItemStatesThread(KVersionControlPlugin* plugin,
const QMap<QString, QVector<VersionControlObserver::ItemState> >& itemStates) :
QThread(),
m_globalPluginMutex(0),
m_plugin(plugin),
m_retrievedItems(false),
m_itemStates(itemStates)
{
// Several threads may share one instance of a plugin. A global
// mutex is required to serialize the retrieval of version control
// states inside run().
static QMutex globalMutex;
m_globalPluginMutex = &globalMutex;
}
UpdateItemStatesThread::~UpdateItemStatesThread()
{
}
void UpdateItemStatesThread::run()
{
Q_ASSERT(!m_itemStates.isEmpty());
Q_ASSERT(m_plugin);
m_retrievedItems = false;
QMutexLocker pluginLocker(m_globalPluginMutex);
QMap<QString, QVector<VersionControlObserver::ItemState> >::iterator it = m_itemStates.begin();
for (; it != m_itemStates.end(); ++it) {
if (m_plugin->beginRetrieval(it.key())) {
QVector<VersionControlObserver::ItemState>& items = it.value();
const int count = items.count();
KVersionControlPlugin2* pluginV2 = qobject_cast<KVersionControlPlugin2*>(m_plugin);
if (pluginV2) {
for (int i = 0; i < count; ++i) {
items[i].version = pluginV2->itemVersion(items[i].item);
}
} else {
for (int i = 0; i < count; ++i) {
const KVersionControlPlugin::VersionState state = m_plugin->versionState(items[i].item);
items[i].version = static_cast<KVersionControlPlugin2::ItemVersion>(state);
}
}
m_plugin->endRetrieval();
m_retrievedItems = true;
}
}
}
bool UpdateItemStatesThread::lockPlugin()
{
return m_globalPluginMutex->tryLock(300);
}
void UpdateItemStatesThread::unlockPlugin()
{
m_globalPluginMutex->unlock();
}
QMap<QString, QVector<VersionControlObserver::ItemState> > UpdateItemStatesThread::itemStates() const
{
return m_itemStates;
}
bool UpdateItemStatesThread::retrievedItems() const
{
return m_retrievedItems;
}
#include "updateitemstatesthread.moc"
|
