File indexing completed on 2024-11-10 04:56:46

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2013 Antonis Tsiapaliokas <kok3rs@gmail.com>
     SPDX-FileCopyrightText: 2018 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #pragma once
 
 #include <kwin_export.h>
 
 #include <KSharedConfig>
 
 #include <QAbstractItemModel>
 #include <QString>
 #include <QUrl>
 #include <QWindow>
 
 namespace KWin
 {
 
 class KWIN_EXPORT EffectsModel : public QAbstractItemModel
 {
     Q_OBJECT
 
 public:
     /**
      * This enum type is used to specify data roles.
      */
     enum AdditionalRoles {
         /**
          * The user-friendly name of the effect.
          */
         NameRole = Qt::UserRole + 1,
         /**
          * The description of the effect.
          */
         DescriptionRole,
         /**
          * The name of the effect's author. If there are several authors, they
          * will be comma separated.
          */
         AuthorNameRole,
         /**
          * The email of the effect's author. If there are several authors, the
          * emails will be comma separated.
          */
         AuthorEmailRole,
         /**
          * The license of the effect.
          */
         LicenseRole,
         /**
          * The version of the effect.
          */
         VersionRole,
         /**
          * The category of the effect.
          */
         CategoryRole,
         /**
          * The service name(plugin name) of the effect.
          */
         ServiceNameRole,
         /**
          * The icon name of the effect.
          */
         IconNameRole,
         /**
          * Whether the effect is enabled or disabled.
          */
         StatusRole,
         /**
          * Link to a video demonstration of the effect.
          */
         VideoRole,
         /**
          * Link to the home page of the effect.
          */
         WebsiteRole,
         /**
          * Whether the effect is supported.
          */
         SupportedRole,
         /**
          * The exclusive group of the effect.
          */
         ExclusiveRole,
         /**
          * Whether the effect is internal.
          */
         InternalRole,
         /**
          * Whether the effect has a KCM.
          */
         ConfigurableRole,
         /**
          * Whether the effect is enabled by default.
          */
         EnabledByDefaultRole,
         /**
          * Id of the effect's config module, empty if the effect has no config.
          */
         ConfigModuleRole,
         /**
          * Whether the effect has a function to determine if the effect is enabled by default.
          */
         EnabledByDefaultFunctionRole,
     };
 
     /**
      * This enum type is used to specify the status of a given effect.
      */
     enum class Status {
         /**
          * The effect is disabled.
          */
         Disabled = Qt::Unchecked,
         /**
          * An enable function is used to determine whether the effect is enabled.
          * For example, such function can be useful to disable the blur effect
          * when running in a virtual machine.
          */
         EnabledUndeterminded = Qt::PartiallyChecked,
         /**
          * The effect is enabled.
          */
         Enabled = Qt::Checked
     };
 
     explicit EffectsModel(QObject *parent = nullptr);
 
     // Reimplemented from QAbstractItemModel.
     QHash<int, QByteArray> roleNames() const override;
     QModelIndex index(int row, int column, const QModelIndex &parent = {}) const override;
     QModelIndex parent(const QModelIndex &child) const override;
     int rowCount(const QModelIndex &parent = {}) const override;
     int columnCount(const QModelIndex &parent = {}) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
 
     /**
      * Changes the status of a given effect.
      *
      * @param rowIndex An effect represented by the given index.
      * @param effectState The new state.
      * @note In order to actually apply the change, you have to call save().
      */
     void updateEffectStatus(const QModelIndex &rowIndex, Status effectState);
 
     /**
      * This enum type is used to specify load options.
      */
     enum class LoadOptions {
         None,
         /**
          * Do not discard unsaved changes when reloading the model.
          */
         KeepDirty
     };
 
     /**
      * Loads effects.
      *
      * You have to call this method in order to populate the model.
      */
     void load(LoadOptions options = LoadOptions::None);
 
     /**
      * Saves status of each modified effect.
      */
     void save();
 
     /**
      * Resets the status of each effect to the default state.
      *
      * @note In order to actually apply the change, you have to call save().
      */
     void defaults();
 
     /**
      * Whether the status of each effect is its default state.
      */
     bool isDefaults() const;
 
     /**
      * Whether the model has unsaved changes.
      */
     bool needsSave() const;
 
     /**
      * Finds an effect with the given plugin id.
      */
     QModelIndex findByPluginId(const QString &pluginId) const;
 
     /**
      * Shows a configuration dialog for a given effect.
      *
      * @param index An effect represented by the given index.
      * @param transientParent The transient parent of the configuration dialog.
      */
     void requestConfigure(const QModelIndex &index, QWindow *transientParent);
 
 Q_SIGNALS:
     /**
      * This signal is emitted when the model is loaded or reloaded.
      *
      * @see load
      */
     void loaded();
 
 protected:
     struct EffectData
     {
         QString name;
         QString description;
         QString authorName;
         QString authorEmail;
         QString license;
         QString version;
         QString untranslatedCategory;
         QString category;
         QString serviceName;
         QString iconName;
         Status status;
         Status originalStatus;
         bool enabledByDefault;
         bool enabledByDefaultFunction;
         QUrl video;
         QUrl website;
         bool supported;
         QString exclusiveGroup;
         bool internal;
         bool changed = false;
         QString configModule;
         QVariantList configArgs;
     };
 
     /**
      * Returns whether the given effect should be stored in the model.
      *
      * @param data The effect.
      * @returns @c true if the effect should be stored, otherwise @c false.
      */
     virtual bool shouldStore(const EffectData &data) const;
 
 private:
     void loadBuiltInEffects(const KConfigGroup &kwinConfig);
     void loadJavascriptEffects(const KConfigGroup &kwinConfig);
     void loadPluginEffects(const KConfigGroup &kwinConfig);
 
     QList<EffectData> m_effects;
     QList<EffectData> m_pendingEffects;
     int m_lastSerial = -1;
 
     Q_DISABLE_COPY(EffectsModel)
 };
 
 }