src/dolphinplacesmodelsingleton.h

   1 /*
   2  * SPDX-FileCopyrightText: 2018 Kai Uwe Broulik <kde@privat.broulik.de>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #ifndef DOLPHINPLACESMODELSINGLETON_H
   8 #define DOLPHINPLACESMODELSINGLETON_H
   9
  10 #include <QString>
  11 #include <QScopedPointer>
  12
  13 #include <KFilePlacesModel>
  14
  15 /**
  16  * @brief Dolphin's special-cased KFilePlacesModel
  17  *
  18  * It returns the trash's icon based on whether
  19  * it is full or not.
  20  */
  21 class DolphinPlacesModel : public KFilePlacesModel
  22 {
  23     Q_OBJECT
  24
  25 public:
  26     explicit DolphinPlacesModel(const QString &alternativeApplicationName, QObject *parent = nullptr);
  27     ~DolphinPlacesModel() override;
  28
  29     bool panelsLocked() const;
  30     void setPanelsLocked(bool locked);
  31
  32 protected:
  33     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
  34
  35 private Q_SLOTS:
  36     void slotTrashEmptinessChanged(bool isEmpty);
  37
  38 private:
  39     bool isTrash(const QModelIndex &index) const;
  40
  41     bool m_isEmpty = false;
  42     bool m_panelsLocked = true; // common-case, panels are locked
  43 };
  44
  45 /**
  46  * @brief Provides a global KFilePlacesModel instance.
  47  */
  48 class DolphinPlacesModelSingleton
  49 {
  50
  51 public:
  52     static DolphinPlacesModelSingleton& instance();
  53
  54     DolphinPlacesModel *placesModel() const;
  55     /** A suffix to the application-name of the stored bookmarks is
  56      added, which is only read by PlacesItemModel. */
  57     static QString applicationNameSuffix();
  58
  59     DolphinPlacesModelSingleton(const DolphinPlacesModelSingleton&) = delete;
  60     DolphinPlacesModelSingleton& operator=(const DolphinPlacesModelSingleton&) = delete;
  61
  62 private:
  63     DolphinPlacesModelSingleton();
  64
  65     QScopedPointer<DolphinPlacesModel> m_placesModel;
  66 };
  67
  68 #endif // DOLPHINPLACESMODELSINGLETON_H