add 'disallow_device()' function to devicemanager.vala and devicemanager-proxy.vala

src/mconnect/devicemanager-proxy.vala

@@ -68,6 +68,25 @@ class DeviceManagerDBusProxy : Object
 		this.manager.allow_device(dev_proxy.device);
 	}
 
+	/**
+	 * disallow_device:
+	 * @path: device object path
+	 *
+	 * Disallow given device
+	 */
+	public void disallow_device(string path) {
+		debug("disallow device %s", path);
+
+		var dev_proxy = this.devices.@get(path);
+
+		if (dev_proxy == null) {
+			warning("no device under path %s", path);
+			return;
+		}
+
+		this.manager.disallow_device(dev_proxy.device);
+	}
+
 	/**
 	 * list_devices:
 	 *
@@ -143,4 +162,4 @@ class DeviceManagerDBusProxy : Object
 
 		return path;
 	}
-}
+}

src/mconnect/devicemanager.vala

@@ -252,4 +252,17 @@ class DeviceManager : GLib.Object
 		// maybe activate if needed
 		activate_device(dev);
 	}
-}
+
+	/**
+	 * disallow_device:
+	 * @path: device object path
+	 *
+	 * Disallow given device
+	 */
+	public void disallow_device(Device dev) {
+		dev.allowed = false;
+
+		// update device cache
+		update_cache();
+	}
+}