feat: add plasma-face-unlock

src/agent/userconfig.h

@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// ~/.config/plasma-face-unlock/config: what this user wants from the agent.
+// Written by the menu, read here, and read again whenever it changes.
+
+#pragma once
+
+#include <QFileSystemWatcher>
+#include <QObject>
+
+class UserConfig : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool bubble READ bubble NOTIFY changed)
+    Q_PROPERTY(QString bubbleStyle READ bubbleStyle NOTIFY changed)
+public:
+    explicit UserConfig(QObject *parent = nullptr);
+
+    // Unlock the lock screen by face.
+    bool lockScreen() const
+    {
+        return m_lockScreen;
+    }
+    // Scan when somebody comes back to a locked screen (a key, the mouse,
+    // opening the lid).
+    bool scanOnWake() const
+    {
+        return m_scanOnWake;
+    }
+    // Scan right as the screen locks. Off by default: somebody who locks
+    // their screen on purpose is usually still sitting in front of it.
+    bool scanOnLock() const
+    {
+        return m_scanOnLock;
+    }
+    bool bubble() const
+    {
+        return m_bubble;
+    }
+    // "full" (the island with the face) or "minimal" (a small pill with a
+    // lock).
+    QString bubbleStyle() const
+    {
+        return m_styleOverride.isEmpty() ? m_bubbleStyle : m_styleOverride;
+    }
+    // For --demo --style: try a style without writing it down.
+    void overrideStyle(const QString &style)
+    {
+        m_styleOverride = style == u"minimal" ? QStringLiteral("minimal") : QStringLiteral("full");
+        Q_EMIT changed();
+    }
+    // Show the bubble for sudo and admin prompts, not only the lock screen.
+    bool bubbleForPrompts() const
+    {
+        return m_bubbleForPrompts;
+    }
+
+    static QString path();
+
+Q_SIGNALS:
+    void changed();
+
+private:
+    void load();
+
+    QFileSystemWatcher m_watcher;
+    bool m_lockScreen = true;
+    bool m_scanOnWake = true;
+    bool m_scanOnLock = false;
+    bool m_bubble = true;
+    QString m_bubbleStyle = QStringLiteral("full");
+    bool m_bubbleForPrompts = true;
+    QString m_styleOverride;
+};