1 files changed, 56 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
new file mode 100644
index 000000000..a1e666df0
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/menuhandler/MenuItemUtils.java
@@ -0,0 +1,56 @@
+package de.danoeh.antennapod.menuhandler;
+
+import android.support.v4.view.MenuItemCompat;
+import android.support.v7.widget.SearchView;
+import android.view.Menu;
+import android.view.MenuItem;
+
+import de.danoeh.antennapod.core.R;
+
+/**
+ * Utilities for menu items
+ */
+public class MenuItemUtils {
+
+    public static MenuItem addSearchItem(Menu menu, SearchView searchView) {
+        MenuItem item = menu.add(Menu.NONE, R.id.search_item, Menu.NONE, R.string.search_label);
+        MenuItemCompat.setShowAsAction(item, MenuItemCompat.SHOW_AS_ACTION_IF_ROOM);
+        MenuItemCompat.setActionView(item, searchView);
+        return item;
+    }
+
+    /**
+     * Checks if the navigation drawer of the DrawerActivity is opened. This can be useful for Fragments
+     * that hide their menu if the navigation drawer is open.
+     *
+     * @return True if the drawer is open, false otherwise (also if the parameter is null)
+     */
+    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();
+    }
+}