1 files changed, 48 insertions, 0 deletions
diff --git a/src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFrameLayout.java b/src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFrameLayout.java
new file mode 100644
index 000000000..67bde5709
--- /dev/null
+++ b/src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFrameLayout.java
@@ -0,0 +1,48 @@
+package org.citra.citra_emu.features.settings.ui;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+
+/**
+ * FrameLayout subclass with few Properties added to simplify animations.
+ * Don't remove the methods appearing as unused, in order not to break the menu animations
+ */
+public final class SettingsFrameLayout extends FrameLayout {
+    private float mVisibleness = 1.0f;
+
+    public SettingsFrameLayout(Context context) {
+        super(context);
+    }
+
+    public SettingsFrameLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public SettingsFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public SettingsFrameLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public float getYFraction() {
+        return getY() / getHeight();
+    }
+
+    public void setYFraction(float yFraction) {
+        final int height = getHeight();
+        setY((height > 0) ? (yFraction * height) : -9999);
+    }
+
+    public float getVisibleness() {
+        return mVisibleness;
+    }
+
+    public void setVisibleness(float visibleness) {
+        setScaleX(visibleness);
+        setScaleY(visibleness);
+        setAlpha(visibleness);
+    }
+}