launcher: sort apps by usage

Closes #588

1 files changed, 93 insertions, 0 deletions

diff --git a/plugin/src/Caelestia/appdb.hpp b/plugin/src/Caelestia/appdb.hpp
new file mode 100644
index 0000000..dfedcc6
--- /dev/null
+++ b/plugin/src/Caelestia/appdb.hpp
@@ -0,0 +1,93 @@
+#pragma once
+
+#include <qhash.h>
+#include <qobject.h>
+#include <qqmlintegration.h>
+
+namespace caelestia {
+
+class AppEntry : public QObject {
+    Q_OBJECT
+    QML_ELEMENT
+    QML_UNCREATABLE("AppEntry instances can only be retrieved from an AppDb")
+
+    // The actual DesktopEntry, but we don't have access to the type so it's a QObject
+    Q_PROPERTY(QObject* entry READ entry CONSTANT)
+
+    Q_PROPERTY(quint32 frequency READ frequency NOTIFY frequencyChanged)
+    Q_PROPERTY(QString id READ id CONSTANT)
+    Q_PROPERTY(QString name READ name CONSTANT)
+    Q_PROPERTY(QString desc READ desc CONSTANT)
+    Q_PROPERTY(QString execString READ execString CONSTANT)
+    Q_PROPERTY(QString wmClass READ wmClass CONSTANT)
+    Q_PROPERTY(QString genericName READ genericName CONSTANT)
+    Q_PROPERTY(QString categories READ categories CONSTANT)
+    Q_PROPERTY(QString keywords READ keywords CONSTANT)
+
+public:
+    explicit AppEntry(QObject* entry, quint32 frequency, QObject* parent = nullptr);
+
+    [[nodiscard]] QObject* entry() const;
+
+    [[nodiscard]] quint32 frequency() const;
+    void setFrequency(quint32 frequency);
+    void incrementFrequency();
+
+    [[nodiscard]] QString id() const;
+    [[nodiscard]] QString name() const;
+    [[nodiscard]] QString desc() const;
+    [[nodiscard]] QString execString() const;
+    [[nodiscard]] QString wmClass() const;
+    [[nodiscard]] QString genericName() const;
+    [[nodiscard]] QString categories() const;
+    [[nodiscard]] QString keywords() const;
+
+signals:
+    void frequencyChanged();
+
+private:
+    QObject* m_entry;
+    quint32 m_frequency;
+};
+
+class AppDb : public QObject {
+    Q_OBJECT
+    QML_ELEMENT
+
+    Q_PROPERTY(QString uuid READ uuid CONSTANT)
+    Q_PROPERTY(QString path READ path WRITE setPath NOTIFY pathChanged REQUIRED)
+    Q_PROPERTY(QList<QObject*> entries READ entries WRITE setEntries NOTIFY entriesChanged REQUIRED)
+    Q_PROPERTY(QList<AppEntry*> apps READ apps NOTIFY appsChanged)
+
+public:
+    explicit AppDb(QObject* parent = nullptr);
+
+    [[nodiscard]] QString uuid() const;
+
+    [[nodiscard]] QString path() const;
+    void setPath(const QString& path);
+
+    [[nodiscard]] QList<QObject*> entries() const;
+    void setEntries(const QList<QObject*>& entries);
+
+    [[nodiscard]] QList<AppEntry*> apps() const;
+
+    Q_INVOKABLE void incrementFrequency(const QString& id);
+
+signals:
+    void pathChanged();
+    void entriesChanged();
+    void appsChanged();
+
+private:
+    const QString m_uuid;
+    QString m_path;
+    QList<QObject*> m_entries;
+    QHash<QString, AppEntry*> m_apps;
+
+    quint32 getFrequency(const QString& id) const;
+    void updateAppFrequencies();
+    void updateApps();
+};
+
+} // namespace caelestia