Route session locking through Panama

2026-08-18 15:00:18 -04:00
parent a845534110
commit 3520700983
5 changed files with 310 additions and 2 deletions
@@ -0,0 +1,132 @@
+pragma Singleton
+
+// Generated lock-screen state. Visual preferences are coalesced into one
+// helper invocation, while the last valid status remains visible if a helper
+// response is malformed.
+
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+import qs.config
+
+Singleton {
+    id: root
+
+    readonly property string helperPath: Quickshell.shellDir + "/scripts/panama-lock"
+
+    property bool generated: false
+    property string path: ""
+    property bool fallback: true
+    property string lastError: ""
+    property string watchedSignature: ""
+    property bool regenerateAfterCurrent: false
+
+    readonly property bool busy: generateProcess.running || statusProcess.running
+
+    function preferenceSignature(): string {
+        DesktopPreferences.revision;
+        return JSON.stringify([
+            DesktopPreferences.get("lockBackgroundMode"),
+            DesktopPreferences.get("lockBlurLevel"),
+            DesktopPreferences.get("lockShowClock"),
+            DesktopPreferences.get("lockShowDate"),
+            DesktopPreferences.get("lockShowUser"),
+            DesktopPreferences.get("lockFadeOnEmpty"),
+            DesktopPreferences.get("use24Hour"),
+            DesktopPreferences.get("colorScheme"),
+            DesktopPreferences.get("wallpaperPath"),
+            DesktopPreferences.get("wallpaperMode"),
+            DesktopPreferences.get("wallpaperPerMonitor")
+        ]);
+    }
+
+    function applyStatus(text: string): void {
+        try {
+            const state = JSON.parse(text);
+            if (!state || typeof state.generated !== "boolean"
+                    || typeof state.path !== "string" || state.path.length === 0)
+                throw new Error("invalid lock status");
+            root.generated = state.generated;
+            root.path = state.path;
+            root.fallback = state.fallback === true;
+            root.lastError = typeof state.error === "string" ? state.error : "";
+        } catch (error) {
+            root.lastError = "The lock-screen configuration could not be read.";
+        }
+    }
+
+    function refresh(): void {
+        if (!statusProcess.running)
+            statusProcess.exec([root.helperPath, "status"]);
+    }
+
+    function regenerate(): void {
+        if (generateProcess.running) {
+            root.regenerateAfterCurrent = true;
+            return;
+        }
+        generateProcess.exec([root.helperPath, "generate"]);
+    }
+
+    Process {
+        id: statusProcess
+
+        property bool parsed: false
+
+        onRunningChanged: {
+            if (running)
+                parsed = false;
+        }
+
+        stdout: StdioCollector {
+            onStreamFinished: {
+                statusProcess.parsed = true;
+                root.applyStatus(this.text);
+            }
+        }
+
+        onExited: (exitCode, exitStatus) => {
+            if (exitCode !== 0 && !statusProcess.parsed)
+                root.lastError = "The lock-screen configuration could not be read.";
+        }
+    }
+
+    Process {
+        id: generateProcess
+
+        onExited: (exitCode, exitStatus) => {
+            if (exitCode !== 0)
+                root.lastError = "The lock-screen configuration could not be generated.";
+            root.refresh();
+            if (root.regenerateAfterCurrent) {
+                root.regenerateAfterCurrent = false;
+                regenerateTimer.restart();
+            }
+        }
+    }
+
+    Connections {
+        target: DesktopPreferences
+
+        function onRevisionChanged(): void {
+            const signature = root.preferenceSignature();
+            if (signature === root.watchedSignature)
+                return;
+            root.watchedSignature = signature;
+            regenerateTimer.restart();
+        }
+    }
+
+    Timer {
+        id: regenerateTimer
+        interval: 250
+        onTriggered: root.regenerate()
+    }
+
+    Component.onCompleted: {
+        root.watchedSignature = root.preferenceSignature();
+        root.refresh();
+        regenerateTimer.restart();
+    }
+}