fix(ios): fire blur event when TabGroup focus is removed (#12207)

Fixes TIMOB-28111
tidev · Nov 5, 2020 · 5fa704d · 5fa704d
1 parent 7ac871c
commit 5fa704d
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diff --git a/iphone/Classes/TiUITabGroupProxy.m b/iphone/Classes/TiUITabGroupProxy.m
@@ -192,6 +192,12 @@ - (void)gainFocus
 
 - (void)resignFocus
 {
+  if ([self _hasListeners:@"blur"]) {
+    // focus event and blur event has same parameters
+    NSDictionary *event = [((TiUITabGroup *)self.view) focusEvent];
+    [self fireEvent:@"blur" withObject:event];
+  }
+
   if (focussed) {
     UITabBarController *tabController = [(TiUITabGroup *)[self view] tabController];
     NSUInteger blessedController = [tabController selectedIndex];

diff --git a/tests/Resources/ti.ui.tabgroup.test.js b/tests/Resources/ti.ui.tabgroup.test.js
@@ -304,6 +304,34 @@ describe('Titanium.UI.TabGroup', function () {
 			tabGroup.addTab(tab);
 			tabGroup.open();
 		});
+
+		it('blur event on opening new window', finish => {
+			const win = Ti.UI.createWindow();
+			tabGroup = Ti.UI.createTabGroup();
+			const tab = Ti.UI.createTab({
+				title: 'Tab',
+				window: win
+			});
+
+			function openNewWindow() {
+				setTimeout(() => {
+					tabGroup.addEventListener('blur', done);
+					const newWin = Ti.UI.createWindow();
+					newWin.open();
+				}, 1);
+			}
+
+			function done() {
+				tabGroup.removeEventListener('open', openNewWindow);
+				tabGroup.removeEventListener('blur', done);
+				finish();
+			}
+
+			tabGroup.addEventListener('focus', openNewWindow);
+
+			tabGroup.addTab(tab);
+			tabGroup.open();
+		});
 	});
 
 	it.windowsBroken('#setActiveTab()', finish => {