1 files changed, 30 insertions, 0 deletions
diff --git a/mobile/android/geckoview_example/src/main/java/org/mozilla/geckoview_example/GeckoViewBottomBehavior.java b/mobile/android/geckoview_example/src/main/java/org/mozilla/geckoview_example/GeckoViewBottomBehavior.java
new file mode 100644
index 0000000000..c51ab969c6
--- /dev/null
+++ b/mobile/android/geckoview_example/src/main/java/org/mozilla/geckoview_example/GeckoViewBottomBehavior.java
@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.geckoview_example;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import androidx.appcompat.widget.Toolbar;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import org.mozilla.geckoview.GeckoView;
+
+public class GeckoViewBottomBehavior extends CoordinatorLayout.Behavior<GeckoView> {
+  public GeckoViewBottomBehavior(Context context, AttributeSet attributeSet) {
+    super(context, attributeSet);
+  }
+
+  @Override
+  public boolean layoutDependsOn(CoordinatorLayout parent, GeckoView child, View dependency) {
+    return dependency instanceof Toolbar;
+  }
+
+  @Override
+  public boolean onDependentViewChanged(
+      CoordinatorLayout parent, GeckoView child, View dependency) {
+    child.setVerticalClipping(Math.round(-dependency.getTranslationY()));
+    return true;
+  }
+}