From 5adeba1a560985173974c9ac98c624093055d669 Mon Sep 17 00:00:00 2001
From: Bernhard Posselt <dev@bernhard-posselt.com>
Date: Fri, 23 Jan 2015 11:52:54 +0100
Subject: fix #715

---
 js/gui/KeyboardShortcuts.js | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

(limited to 'js/gui/KeyboardShortcuts.js')

diff --git a/js/gui/KeyboardShortcuts.js b/js/gui/KeyboardShortcuts.js
index f28ab8823..e7ae0defd 100644
--- a/js/gui/KeyboardShortcuts.js
+++ b/js/gui/KeyboardShortcuts.js
@@ -62,6 +62,17 @@
         navigationArea.find('.active > a:visible').trigger('click');
     };
 
+    var tryReload = function (navigationArea, scrollArea) {
+        if (navigationArea.scrollTop() === 0) {
+            var pullToRefresh = scrollArea.find('.pull-to-refresh');
+            if (!pullToRefresh.hasClass('show-pull-to-refresh')) {
+                pullToRefresh.addClass('show-pull-to-refresh');
+            } else if (pullToRefresh.hasClass('done')) {
+                reloadFeed(navigationArea);
+            }
+        }
+    };
+
     var activateNavigationEntry = function (element, navigationArea) {
         element.children('a:visible').trigger('click');
         scrollToNavigationElement(element, navigationArea.children('ul'));
@@ -295,7 +306,8 @@
 
     };
 
-    var scrollToPreviousItem = function (scrollArea, expandItemInCompact) {
+    var scrollToPreviousItem = function (navigationArea, scrollArea,
+                                         expandItemInCompact) {
         var items = scrollArea.find('.item');
         var jumped = false;
 
@@ -308,6 +320,8 @@
                 // if there are no items before the current one
                 if (previous.length > 0) {
                     scrollToItem(scrollArea, previous, expandItemInCompact);
+                } else {
+                    tryReload(navigationArea, scrollArea);
                 }
 
                 jumped = true;
@@ -344,7 +358,8 @@
             } else if ([75, 80, 37].indexOf(keyCode) >= 0) {
 
                 event.preventDefault();
-                scrollToPreviousItem(scrollArea, expandItemInCompact);
+                scrollToPreviousItem(navigationArea, scrollArea,
+                                     expandItemInCompact);
 
             // u
             } else if ([85].indexOf(keyCode) >= 0) {
@@ -413,6 +428,9 @@
                 event.preventDefault();
                 nextFolder(navigationArea);
 
+            // page up
+            } else if ([33].indexOf(keyCode) >= 0) {
+                tryReload(navigationArea, scrollArea);
             }
 
         }
-- 
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