[gnome-bluetooth] properties: Implement "Powered" switch

[Bastien Nocera <hadess src gnome org>]

commit 726b9257b94d617108c713f4143d7714764a4413
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Mar 4 14:10:24 2011 +0000

    properties: Implement "Powered" switch
    
    Handle setting the initial state of the Powered switch, as well
    as killswitch changes, and powered state changes.
    
    Still no feedback on the current state of the switches though.

 properties/cc-bluetooth-panel.c |   82 ++++++++++++++++++++++++++++++++++++++-
 1 files changed, 81 insertions(+), 1 deletions(-)
---
diff --git a/properties/cc-bluetooth-panel.c b/properties/cc-bluetooth-panel.c
index 5d4a48f..c1dd629 100644
--- a/properties/cc-bluetooth-panel.c
+++ b/properties/cc-bluetooth-panel.c
@@ -276,6 +276,65 @@ cc_bluetooth_panel_update_properties (CcBluetoothPanel *self)
 }
 
 static void
+power_callback (GObject          *object,
+		GParamSpec       *spec,
+		CcBluetoothPanel *self)
+{
+	gboolean state;
+
+	state = gtk_switch_get_active (GTK_SWITCH (WID ("switch_bluetooth")));
+	g_debug ("Power switched to %s", state ? "off" : "on");
+	bluetooth_killswitch_set_state (self->priv->killswitch,
+					state ? KILLSWITCH_STATE_UNBLOCKED : KILLSWITCH_STATE_SOFT_BLOCKED);
+}
+
+static void
+cc_bluetooth_panel_update_power (CcBluetoothPanel *self)
+{
+	KillswitchState state;
+	char *bdaddr;
+	gboolean powered, sensitive;
+	GtkSwitch *button;
+
+	g_object_get (G_OBJECT (self->priv->client),
+		      "default-adapter", &bdaddr,
+		      "default-adapter-powered", &powered,
+		      NULL);
+	state = bluetooth_killswitch_get_state (self->priv->killswitch);
+
+	g_debug ("Updating power, default adapter: %s (powered: %s), killswitch: %s",
+		 bdaddr ? bdaddr : "(none)",
+		 powered ? "on" : "off",
+		 bluetooth_killswitch_state_to_string (state));
+
+	if (bdaddr == NULL &&
+	    bluetooth_killswitch_has_killswitches (self->priv->killswitch) &&
+	    state != KILLSWITCH_STATE_HARD_BLOCKED) {
+		g_debug ("Default adapter is unpowered, but should be available");
+		sensitive = TRUE;
+	} else if (bdaddr == NULL &&
+		   state == KILLSWITCH_STATE_HARD_BLOCKED) {
+		g_debug ("Bluetooth is Hard blocked");
+		sensitive = FALSE;
+	} else if (bdaddr == NULL) {
+		sensitive = FALSE;
+		g_debug ("No Bluetooth available");
+	} else {
+		sensitive = TRUE;
+		g_debug ("Bluetooth is available and powered");
+	}
+
+	g_free (bdaddr);
+	gtk_widget_set_sensitive (WID ("hbox2") , sensitive);
+
+	button = GTK_SWITCH (WID ("switch_bluetooth"));
+
+	g_signal_handlers_block_by_func (button, power_callback, self);
+	gtk_switch_set_active (button, powered);
+	g_signal_handlers_unblock_by_func (button, power_callback, self);
+}
+
+static void
 keyboard_callback (GtkButton        *button,
 		   CcBluetoothPanel *self)
 {
@@ -382,8 +441,12 @@ static void
 cc_bluetooth_panel_update_state (CcBluetoothPanel *self)
 {
 	char *bdaddr;
+	gboolean powered;
 
-	g_object_get (G_OBJECT (self->priv->client), "default-adapter", &bdaddr, NULL);
+	g_object_get (G_OBJECT (self->priv->client),
+		      "default-adapter", &bdaddr,
+		      "default-adapter-powered", &powered,
+		      NULL);
 	gtk_widget_set_sensitive (WID ("toolbar"), (bdaddr != NULL));
 	g_free (bdaddr);
 }
@@ -394,6 +457,16 @@ default_adapter_changed (BluetoothClient  *client,
 			 CcBluetoothPanel *self)
 {
 	cc_bluetooth_panel_update_state (self);
+	cc_bluetooth_panel_update_power (self);
+}
+
+static void
+killswitch_changed (BluetoothKillswitch *killswitch,
+		    KillswitchState      state,
+		    CcBluetoothPanel    *self)
+{
+	cc_bluetooth_panel_update_state (self);
+	cc_bluetooth_panel_update_power (self);
 }
 
 static void
@@ -484,6 +557,13 @@ cc_bluetooth_panel_init (CcBluetoothPanel *self)
 	g_signal_connect (G_OBJECT (WID ("switch_connection")), "notify::active",
 			  G_CALLBACK (switch_connected_active_changed), self);
 
+	/* Set the initial state of power */
+	g_signal_connect (G_OBJECT (WID ("switch_bluetooth")), "notify::active",
+			  G_CALLBACK (power_callback), self);
+	g_signal_connect (G_OBJECT (self->priv->killswitch), "state-changed",
+			  G_CALLBACK (killswitch_changed), self);
+	cc_bluetooth_panel_update_power (self);
+
 	gtk_widget_show_all (GTK_WIDGET (self));
 }