src/views/versioncontrol/updateitemstatesthread.h

   1 /*
   2  * SPDX-FileCopyrightText: 2009 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #ifndef UPDATEITEMSTATESTHREAD_H
   8 #define UPDATEITEMSTATESTHREAD_H
   9
  10 #include "dolphin_export.h"
  11 #include "views/versioncontrol/versioncontrolobserver.h"
  12
  13 #include <QMutex>
  14 #include <QThread>
  15
  16 /**
  17  * The performance of updating the version state of items depends
  18  * on the used plugin. To prevent that Dolphin gets blocked by a
  19  * slow plugin, the updating is delegated to a thread.
  20  */
  21 class DOLPHIN_EXPORT UpdateItemStatesThread : public QThread
  22 {
  23     Q_OBJECT
  24
  25 public:
  26     /**
  27      * @param plugin     Version control plugin that is used to update the
  28      *                   state of the items. Whenever the plugin is accessed
  29      *                   from the thread creator after starting the thread,
  30      *                   UpdateItemStatesThread::lockPlugin() and
  31      *                   UpdateItemStatesThread::unlockPlugin() must be used.
  32      * @param itemStates List of items, where the states get updated.
  33      */
  34     UpdateItemStatesThread(KVersionControlPlugin* plugin,
  35                            const QMap<QString, QVector<VersionControlObserver::ItemState> >& itemStates);
  36     ~UpdateItemStatesThread() override;
  37
  38     QMap<QString, QVector<VersionControlObserver::ItemState> > itemStates() const;
  39
  40 protected:
  41     void run() override;
  42
  43 private:
  44     QMutex* m_globalPluginMutex; // Protects the m_plugin globally
  45     KVersionControlPlugin* m_plugin;
  46
  47     QMap<QString, QVector<VersionControlObserver::ItemState> > m_itemStates;
  48 };
  49
  50 #endif // UPDATEITEMSTATESTHREAD_H