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
|
/***************************************************************************
* 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 *
***************************************************************************/
#ifndef VERSIONCONTROLOBSERVER_H
#define VERSIONCONTROLOBSERVER_H
#include <libdolphin_export.h>
#include <KFileItem>
#include <kversioncontrolplugin.h>
#include <QList>
#include <QMutex>
#include <QObject>
#include <QPersistentModelIndex>
#include <QString>
class DolphinModel;
class KDirLister;
class KFileItemList;
class QAbstractItemView;
class QAction;
class QTimer;
class UpdateItemStatesThread;
/**
* @brief Observes all version control plugins.
*
* The item view gets updated automatically if the currently shown
* directory is under version control.
*
* @see VersionControlPlugin
*/
class LIBDOLPHINPRIVATE_EXPORT VersionControlObserver : public QObject
{
Q_OBJECT
public:
VersionControlObserver(QWidget* parent);
virtual ~VersionControlObserver();
QList<QAction*> contextMenuActions(const KFileItemList& items) const;
QList<QAction*> contextMenuActions(const QString& directory) const;
signals:
/**
* Is emitted if an information message with the content \a msg
* should be shown.
*/
void infoMessage(const QString& msg);
/**
* Is emitted if an error message with the content \a msg
* should be shown.
*/
void errorMessage(const QString& msg);
/**
* Is emitted if an "operation completed" message with the content \a msg
* should be shown.
*/
void operationCompletedMessage(const QString& msg);
private slots:
/**
* Invokes verifyDirectory() with a small delay. If delayedDirectoryVerification()
* is invoked before the delay has been exceeded, the delay will be reset. This
* assures that a lot of short requests for directory verification only result
* in one (expensive) call.
*/
void delayedDirectoryVerification();
/**
* Invokes verifyDirectory() with a small delay. In opposite to
* delayedDirectoryVerification() it and assures that the verification of
* the directory is done silently without information messages.
*/
void silentDirectoryVerification();
void verifyDirectory();
/**
* Is invoked if the thread m_updateItemStatesThread has been finished
* and applys the item states.
*/
void slotThreadFinished();
private:
struct ItemState
{
QPersistentModelIndex index;
KFileItem item;
KVersionControlPlugin::VersionState version;
};
void updateItemStates();
/**
* Adds recursively all items from the directory \p parentIndex into
* the list \p itemStates.
*/
void addDirectory(const QModelIndex& parentIndex, QList<ItemState>& itemStates);
/**
* Returns a matching plugin for the given directory.
* 0 is returned, if no matching plugin has been found.
*/
KVersionControlPlugin* searchPlugin(const KUrl& directory) const;
/**
* Returns true, if the directory contains a version control information.
*/
bool isVersioned() const;
private:
bool m_pendingItemStatesUpdate;
bool m_versionedDirectory;
bool m_silentUpdate; // if true, no messages will be send during the update
// of version states
QWidget* m_view;
//KDirLister* m_dirLister;
//DolphinModel* m_dolphinModel;
QTimer* m_dirVerificationTimer;
KVersionControlPlugin* m_plugin;
UpdateItemStatesThread* m_updateItemStatesThread;
friend class UpdateItemStatesThread;
};
#endif // REVISIONCONTROLOBSERVER_H
|
