Userscript installation and updater

couchpotato/core/plugins/userscript/static/userscript.js

@@ -7,7 +7,7 @@ Page.Userscript = new Class({
 
 	options: {
 		'onOpened': function(){
-			App.stopLoadTimer();
+			App.fireEvent('unload');
 			App.getBlock('header').hide();
 		}
 	},
@@ -43,4 +43,71 @@ Page.Userscript = new Class({
 
 	}
 
-});
+});
+
+var UserscriptSettingTab = new Class({
+
+	tab: '',
+	content: '',
+
+	initialize: function(){
+		var self = this;
+
+		App.addEvent('load', self.addSettings.bind(self))
+
+	},
+
+	addSettings: function(){
+		var self = this;
+
+		self.settings = App.getPage('Settings')
+		self.settings.addEvent('create', function(){
+			var tab = self.settings.createTab('userscript', {
+				'label': 'Userscript',
+				'name': 'userscript'
+			});
+
+			self.tab = tab.tab;
+			self.content = tab.content;
+
+			self.createUserscript();
+
+		});
+
+	},
+
+	createUserscript: function(){
+		var self = this;
+
+
+		self.settings.createGroup({
+			'label': 'Install the Userscript'
+		}).inject(self.content).adopt(
+			new Element('a', {
+				'text': 'Install userscript',
+				'href': Api.createUrl('userscript.get')+'?couchpotato.user.js',
+				'normalhref': true
+			})
+		);
+
+	}
+
+});
+
+window.addEvent('domready', function(){
+	new UserscriptSettingTab();
+});
+
+window.addEvent('load', function(){
+	var your_version = $(document.body).get('data-userscript_version')
+		latest_version = App.getOption('userscript_version')
+		key = 'cp_version_check',
+		checked_already = Cookie.read(key);
+
+	if(your_version < latest_version && checked_already < latest_version){
+		if(confirm("Update to the latest Userscript?\nYour version: " + your_version + ', new version: ' + latest_version )){
+			document.location = Api.getOption('url')+'userscript.get/?couchpotato.user.js';
+		}
+		Cookie.write(key, latest_version, {duration: 100});
+	}
+});