Improved scroll in history

app/js/controllers.js

@@ -1136,8 +1136,8 @@ angular.module('myApp.controllers', ['myApp.i18n'])
 
       if ($scope.curDialog.messageID) {
         maxID = parseInt($scope.curDialog.messageID);
-        limit = 10;
+        limit = 20;
-        backLimit = 10;
+        backLimit = 20;
       }
       else if (forceRecent) {
         limit = 10;

app/js/directives.js

@@ -911,6 +911,7 @@ angular.module('myApp.directives', ['myApp.filters'])
             if (scrollTopInitial >= 0) {
               changeScroll();
             } else {
+              // console.log('change scroll prepend');
               scrollableWrap.scrollTop = st + scrollableWrap.scrollHeight - sh;
             }
 

app/js/services.js

@@ -952,8 +952,8 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
       if (foundDialog && foundDialog[0] && foundDialog[0].unread_count > 1) {
         var unreadCount = foundDialog[0].unread_count;
         if (unreadSkip = (unreadCount > 50)) {
-          limit = 10;
+          limit = 20;
-          unreadOffset = 6;
+          unreadOffset = 16;
           offset = unreadCount - unreadOffset;
         } else {
           limit = Math.max(10, prerendered, unreadCount + 2);