1 files changed, 25 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/menuhandler/MenuItemUtils.java b/app/src/main/java/de/danoeh/antennapod/menuhandler/MenuItemUtils.java
index c4a96ac3f..a1e666df0 100644
--- a/app/src/main/java/de/danoeh/antennapod/menuhandler/MenuItemUtils.java
+++ b/app/src/main/java/de/danoeh/antennapod/menuhandler/MenuItemUtils.java
@@ -28,4 +28,29 @@ public class MenuItemUtils {
     public static boolean isActivityDrawerOpen(NavDrawerActivity activity) {
         return activity != null && activity.isDrawerOpen();
     }
+
+    /**
+     * Changes the appearance of a MenuItem depending on whether the given UpdateRefreshMenuItemChecker
+     * is refreshing or not. If it returns true, the menu item will be replaced by an indeterminate progress
+     * bar, otherwise nothing will happen.
+     *
+     * @param menu    The menu that the MenuItem belongs to
+     * @param resId   The id of the MenuItem
+     * @param checker Is used for checking whether to show the progress indicator or not.
+     * @return The returned value of the UpdateRefreshMenuItemChecker's isRefreshing() method.
+     */
+    public static boolean updateRefreshMenuItem(Menu menu, int resId, UpdateRefreshMenuItemChecker checker) {
+        // expand actionview if feeds are being downloaded, collapse otherwise
+        if (checker.isRefreshing()) {
+            MenuItem refreshItem = menu.findItem(resId);
+            MenuItemCompat.setActionView(refreshItem, de.danoeh.antennapod.R.layout.refresh_action_view);
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public static interface UpdateRefreshMenuItemChecker {
+        public boolean isRefreshing();
+    }
 }