UIViewComponentPeer: Avoid sending unnecessary UIWindowScene change notifications

reuk · reuk · commit d66ca542b83c · 2025-11-04T14:18:19.000Z
diff --git a/modules/juce_gui_basics/native/juce_UIViewComponentPeer_ios.mm b/modules/juce_gui_basics/native/juce_UIViewComponentPeer_ios.mm
@@ -53,8 +53,8 @@
 
     void setWindowScene (UIWindowScene* x) API_AVAILABLE (ios (13.0))
     {
-        windowScene = x;
-        listeners.call ([] (auto& l) { l.windowSceneChanged(); });
+        if (std::exchange (windowScene, x) != x)
+            listeners.call ([] (auto& l) { l.windowSceneChanged(); });
     }
 
     UIWindowScene* getWindowScene() const API_AVAILABLE (ios (13.0))

Original file line number	Diff line number	Diff line change
`@@ -53,8 +53,8 @@`
`53`	`53`
`54`	`54`	`void setWindowScene (UIWindowScene* x) API_AVAILABLE (ios (13.0))`
`55`	`55`	`{`
`56`		`- windowScene = x;`
`57`		`- listeners.call ([] (auto& l) { l.windowSceneChanged(); });`
	`56`	`+ if (std::exchange (windowScene, x) != x)`
	`57`	`+ listeners.call ([] (auto& l) { l.windowSceneChanged(); });`
`58`	`58`	`}`
`59`	`59`
`60`	`60`	`UIWindowScene* getWindowScene() const API_AVAILABLE (ios (13.0))`