From 37d41674c2b1a706c95c2c326cbfbd06b0c1a655 Mon Sep 17 00:00:00 2001
From: Tomaž Vajngerl <tomaz.vajngerl@collabora.com>
Date: Sun, 1 Nov 2015 23:06:09 +0100
Subject: android: don't crash in LO when SurfaceView layout is 0 width

Change-Id: I49be19b273d0c263637369e9b095f374b345191b
---
 android/source/src/java/org/mozilla/gecko/gfx/ComposedTileLayer.java | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'android')

diff --git a/android/source/src/java/org/mozilla/gecko/gfx/ComposedTileLayer.java b/android/source/src/java/org/mozilla/gecko/gfx/ComposedTileLayer.java
index e11c91c59fcc..e902a060a69b 100644
--- a/android/source/src/java/org/mozilla/gecko/gfx/ComposedTileLayer.java
+++ b/android/source/src/java/org/mozilla/gecko/gfx/ComposedTileLayer.java
@@ -149,6 +149,11 @@ public abstract class ComposedTileLayer extends Layer implements ComponentCallba
         RectF newViewPort = getViewPort(viewportMetrics);
         float newZoom = getZoom(viewportMetrics);
 
+        // When
+        if (newZoom <= 0.0 || Float.isNaN(newZoom)) {
+            return;
+        }
+
         if (currentViewport.equals(newViewPort) && FloatUtils.fuzzyEquals(currentZoom, newZoom)) {
             return;
         }
-- 
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