src/revisioncontrolobserver.h

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #ifndef REVISIONCONTROLOBSERVER_H
  21 #define REVISIONCONTROLOBSERVER_H
  22
  23 #include <libdolphin_export.h>
  24
  25 #include <kfileitem.h>
  26 #include <revisioncontrolplugin.h>
  27 #include <QList>
  28 #include <QMutex>
  29 #include <QObject>
  30 #include <QPersistentModelIndex>
  31 #include <QString>
  32
  33 class DolphinModel;
  34 class KDirLister;
  35 class KFileItemList;
  36 class QAbstractItemView;
  37 class QAction;
  38 class QThread;
  39 class QTimer;
  40 class UpdateItemStatesThread;
  41
  42 /**
  43  * @brief Observes all revision control plugins.
  44  *
  45  * The item view gets updated automatically if the currently shown
  46  * directory is under revision control.
  47  *
  48  * @see RevisionControlPlugin
  49  */
  50 class LIBDOLPHINPRIVATE_EXPORT RevisionControlObserver : public QObject
  51 {
  52     Q_OBJECT
  53
  54 public:
  55     RevisionControlObserver(QAbstractItemView* view);
  56     virtual ~RevisionControlObserver();
  57
  58     QList<QAction*> contextMenuActions(const KFileItemList& items) const;
  59     QList<QAction*> contextMenuActions(const QString& directory) const;
  60
  61 private slots:
  62     void delayedDirectoryVerification();
  63     void verifyDirectory();
  64     void applyUpdatedItemStates();
  65
  66 private:
  67     void updateItemStates();
  68
  69 private:
  70     struct ItemState
  71     {
  72         QPersistentModelIndex index;
  73         KFileItem item;
  74         RevisionControlPlugin::RevisionState revision;
  75     };
  76
  77     bool m_pendingItemStatesUpdate;
  78     bool m_revisionedDirectory;
  79
  80     QAbstractItemView* m_view;
  81     KDirLister* m_dirLister;
  82     DolphinModel* m_dolphinModel;
  83
  84     QTimer* m_dirVerificationTimer;
  85
  86     mutable QMutex m_pluginMutex;
  87     RevisionControlPlugin* m_plugin;
  88     UpdateItemStatesThread* m_updateItemStatesThread;
  89
  90     friend class UpdateItemStatesThread;
  91 };
  92
  93 #endif // REVISIONCONTROLOBSERVER_H
  94