[gnome-shell-extensions/extension-live-disable: 7/11] example: port to new extension API

[Giovanni Campagna <gcampagna src gnome org>]

commit 67dc01ea36332531e7379b8b1982f8c93ff8ac58
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Tue Aug 2 23:32:35 2011 +0200

    example: port to new extension API
    
    main() has been	replaced by init(), enable() and disable()

 extensions/example/extension.js |   15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/extensions/example/extension.js b/extensions/example/extension.js
index 6c6a847..68dfa2a 100644
--- a/extensions/example/extension.js
+++ b/extensions/example/extension.js
@@ -16,9 +16,20 @@ function _showHello() {
 }
 
 // Put your extension initialization code here
-function main(metadata) {
+function init(metadata) {
     imports.gettext.bindtextdomain('gnome-shell-extensions', metadata.localedir);
+}
+
+let signalId;
 
+function enable() {
     Main.panel.actor.reactive = true;
-    Main.panel.actor.connect('button-release-event', _showHello);
+    signalId = Main.panel.actor.connect('button-release-event', _showHello);
 }
+
+function disable() {
+    if (signalId) {
+	Main.panel.actor.disconnect(signalId);
+	signalId = 0;
+    }
+}
\ No newline at end of file