bluetooth: integrate with DMS API v9 - Supports proper pairing with an agent & pin, passcode, etc.

Services/BluetoothService.qml

@@ -6,6 +6,7 @@ import QtQuick
 import Quickshell
 import Quickshell.Io
 import Quickshell.Bluetooth
+import qs.Services
 
 Singleton {
     id: root
@@ -15,6 +16,7 @@ Singleton {
     readonly property bool enabled: (adapter && adapter.enabled) ?? false
     readonly property bool discovering: (adapter && adapter.discovering) ?? false
     readonly property var devices: adapter ? adapter.devices : null
+    readonly property bool enhancedPairingAvailable: DMSService.dmsAvailable && DMSService.apiVersion >= 9 && DMSService.capabilities.includes("bluetooth")
     readonly property bool connected: {
         if (!adapter || !adapter.devices) {
             return false
@@ -173,6 +175,25 @@ Singleton {
         device.connect()
     }
 
+    function pairDevice(device, callback) {
+        if (!device) {
+            if (callback) callback({error: "Invalid device"})
+            return
+        }
+
+        // The DMS backend actually implements a bluez agent, so we can pair anything
+        if (enhancedPairingAvailable) {
+            const devicePath = getDevicePath(device)
+            DMSService.bluetoothPair(devicePath, callback)
+            return
+        }
+
+        // Quickshell does not implement a bluez agent, so we can try to pair but only with devices that don't require a passcode
+        device.trusted = true
+        device.connect()
+        if (callback) callback({success: true})
+    }
+
     function getCardName(device) {
         if (!device) {
             return ""
@@ -180,6 +201,14 @@ Singleton {
         return `bluez_card.${device.address.replace(/:/g, "_")}`
     }
 
+    function getDevicePath(device) {
+        if (!device || !device.address) {
+            return ""
+        }
+        const adapterPath = adapter ? "/org/bluez/hci0" : "/org/bluez/hci0"
+        return `${adapterPath}/dev_${device.address.replace(/:/g, "_")}`
+    }
+
     function isAudioDevice(device) {
         if (!device) {
             return false