Use new command for "syncing" hotlist.

This patch also implements parsing version message and using that to
check that the WeeChat is new enough to use the new command.

js/connection.js

@@ -78,7 +78,8 @@ weechat.factory('connection',
             // a version command. If it fails, it means the we
             // did not provide the proper password.
             _initializeConnection(passwd).then(
-                function() {
+                function(version) {
+                    handlers.handleVersionInfo(version);
                     // Connection is successful
                     // Send all the other commands required for initialization
                     _requestBufferInfos().then(function(bufinfo) {

js/glowingbear.js

@@ -213,13 +213,6 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
         $timeout(function() {
             $rootScope.scrollWithBuffer(true);
         });
-        // If user wants to sync hotlist with weechat
-        // we will send a /buffer bufferName command every time
-        // the user switches a buffer. This will ensure that notifications
-        // are cleared in the buffer the user switches to
-        if (settings.hotlistsync && ab.fullName) {
-            connection.sendCoreCommand('/buffer ' + ab.fullName);
-        }
 
         // Clear search term on buffer change
         $scope.search = '';
@@ -232,6 +225,20 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
                 document.getElementById('sendMessage').focus();
             }, 0);
         }
+
+        // Do this part last since it's not important for the UI
+        if (settings.hotlistsync && ab.fullName) {
+            if (parseInt(models.version.charAt(0)) >= 1) {
+                // WeeChat >= 1 supports clearing hotlist with this command
+                connection.sendMessage('/buffer set hotlist -1');
+            } else {
+                // If user wants to sync hotlist with weechat
+                // we will send a /buffer bufferName command every time
+                // the user switches a buffer. This will ensure that notifications
+                // are cleared in the buffer the user switches to
+                connection.sendCoreCommand('/buffer ' + ab.fullName);
+            }
+        }
     });
 
     $rootScope.favico = new Favico({animation: 'none'});

js/handlers.js

@@ -5,6 +5,14 @@ var weechat = angular.module('weechat');
 
 weechat.factory('handlers', ['$rootScope', '$log', 'models', 'plugins', 'notifications', function($rootScope, $log, models, plugins, notifications) {
 
+    var handleVersionInfo = function(message) {
+        console.log(message.objects[0]);
+        var content = message.objects[0].content;
+        var version = content.value;
+        // Store the WeeChat version in models
+        models.version = version;
+    };
+
     var handleBufferClosing = function(message) {
         var bufferMessage = message.objects[0].content[0];
         var bufferId = bufferMessage.pointers[0];
@@ -260,6 +268,7 @@ weechat.factory('handlers', ['$rootScope', '$log', 'models', 'plugins', 'notific
     };
 
     return {
+        handleVersionInfo: handleVersionInfo,
         handleEvent: handleEvent,
         handleLineInfo: handleLineInfo,
         handleHotlistInfo: handleHotlistInfo,

js/models.js

@@ -8,6 +8,9 @@
 var models = angular.module('weechatModels', []);
 
 models.service('models', ['$rootScope', '$filter', function($rootScope, $filter) {
+    // WeeChat version
+    this.version = null;
+
     var parseRichText = function(text) {
         var textElements = weeChat.Protocol.rawText2Rich(text),
             typeToClassPrefixFg = {