Code Quality: Prevent exceptions when available size is zero or negative (#17477)

seer-by-sentry[bot] · yaira2 · web-flow · commit 1e67aa41e2ad · 2025-08-21T00:27:49.000-04:00
Co-authored-by: seer-by-sentry[bot] &lt;157164994+seer-by-sentry[bot]@users.noreply.github.com&gt;
Co-authored-by: Yair &lt;39923744+yaira2@users.noreply.github.com&gt;
diff --git a/src/Files.App.Controls/BreadcrumbBar/BreadcrumbBarLayout.cs b/src/Files.App.Controls/BreadcrumbBar/BreadcrumbBarLayout.cs
@@ -98,6 +98,10 @@ private int GetFirstIndexToRender(NonVirtualizingLayoutContext context)
 			var itemCount = context.Children.Count;
 			var accumulatedWidth = 0d;
 
+			// Handle zero or negative available width - hide all items
+			if (_availableSize.Width <= 0)
+				return itemCount;
+
 			// Go through all items from the last item
 			for (int index = itemCount - 1; index >= 0; index--)
 			{
@@ -111,4 +115,4 @@ private int GetFirstIndexToRender(NonVirtualizingLayoutContext context)
 			return 0;
 		}
 	}
-}
+}

Original file line number	Diff line number	Diff line change
`@@ -98,6 +98,10 @@ private int GetFirstIndexToRender(NonVirtualizingLayoutContext context)`
`98`	`98`	`var itemCount = context.Children.Count;`
`99`	`99`	`var accumulatedWidth = 0d;`
`100`	`100`
	`101`	`+ // Handle zero or negative available width - hide all items`
	`102`	`+ if (_availableSize.Width <= 0)`
	`103`	`+ return itemCount;`
	`104`	`+`
`101`	`105`	`// Go through all items from the last item`
`102`	`106`	`for (int index = itemCount - 1; index >= 0; index--)`
`103`	`107`	`{`
`@@ -111,4 +115,4 @@ private int GetFirstIndexToRender(NonVirtualizingLayoutContext context)`
`111`	`115`	`return 0;`
`112`	`116`	`}`
`113`	`117`	`}`
`114`		`-}`
	`118`	`+}`