X-Git-Url: https://git.toastfreeware.priv.at/gregoa/zavai.git/blobdiff_plain/97d76c25837ff3ab824195614373c75cf9136461..871850692003c3fb3ad24e19e5557a1777460a98:/src/app_power.vala?ds=sidebyside

diff --git a/src/app_power.vala b/src/app_power.vala
index 98d351a..f3f587b 100644
--- a/src/app_power.vala
+++ b/src/app_power.vala
@@ -29,14 +29,20 @@ public class Power : zavai.Resource, Object
 	public dynamic DBus.Object usage;
 	public bool screen_locked;
 	private int screen_lock_fd;
+	// Timestamp of the past power button pressed even (0 if the button has
+	// been released)
+	private time_t last_down;
 
 	private bool hide_after_closing_power_menu;
 
+	public signal void screen_lock_changed(bool state);
+
 	public Power()
 	{
 		screen_locked = false;
 		screen_lock_fd = -1;
 		hide_after_closing_power_menu = false;
+		last_down = 0;
 
 		usage = zavai.registry.sbus.get_object(
 			"org.freesmartphone.ousaged",
@@ -83,22 +89,33 @@ public class Power : zavai.Resource, Object
 			Posix.close(screen_lock_fd);
 		}
 		screen_locked = locked;
+
+		screen_lock_changed(locked);
 	}
 
-	private void on_power_button(Posix.timeval* time, bool pressed)
+	private void on_power_button(Posix.timeval* t, bool pressed)
 	{
-		if (!pressed)
+		if (pressed)
 		{
+			last_down = t->tv_sec;
+		} else {
 			if (screen_locked)
 			{
-				// TODO: short press: turn on backlight for a bit
-				// TODO: long press: unlock
-				set_screen_lock(false);
+				time_t now = new time_t();
+				if (now < last_down + 2)
+				{
+					// Short press: turn on backlight for a bit
+					backlight.wiggle();
+				} else {
+					// Long press: unlock
+					set_screen_lock(false);
+				}
 			}
 			else
 			{
 				power_menu.toggle();
 			}
+			last_down = 0;
 		}
 	}
 }
@@ -245,6 +262,14 @@ public class Backlight: zavai.Service
 			"org.freesmartphone.Usage");
 	}
 
+	// Turn the backlight and then let it fade off
+	public void wiggle()
+	{
+		// There must be a better method
+		usage.RequestResource("Display");
+		usage.ReleaseResource("Display");
+	}
+
 	/// Request GPS resource
 	public override void start()
 	{