Scroll chat to bottom upon dialog double click

app/js/controllers.js

@@ -603,6 +603,10 @@ angular.module('myApp.controllers', ['myApp.i18n'])
       $rootScope.$broadcast('history_focus', params)
     }
 
+    $scope.scrollChatToBottom = function () {
+      $scope.$broadcast('ui_history_change_scroll', true)
+    }
+
     $scope.logOut = function () {
       ErrorService.confirm({type: 'LOGOUT'}).then(function () {
         MtpApiManager.logOut().then(function () {

app/partials/desktop/dialog.html

@@ -1,4 +1,4 @@
-<a class="im_dialog" ng-mousedown="dialogSelect(dialogMessage.peerString, dialogMessage.unreadCount == -1 && dialogMessage.mid)">
+<a class="im_dialog" ng-mousedown="dialogSelect(dialogMessage.peerString, dialogMessage.unreadCount == -1 && dialogMessage.mid)" ng-dblclick="scrollChatToBottom()">
 
   <div class="im_dialog_meta pull-right text-right">
     <div class="im_dialog_date" ng-bind="dialogMessage.dateText"></div>