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diff --git a/src/com/cyanogenmod/setupwizard/ui/widget/ScrimInsetsFrameLayout.java b/src/com/cyanogenmod/setupwizard/ui/widget/ScrimInsetsFrameLayout.java
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+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.cyanogenmod.setupwizard.ui.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.support.v4.view.ViewCompat;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+
+import com.cyanogenmod.setupwizard.R;
+
+/**
+ * A layout that draws something in the insets passed to {@link #fitSystemWindows(android.graphics.Rect)}, i.e. the area above UI chrome
+ * (status and navigation bars, overlay action bars).
+ */
+public class ScrimInsetsFrameLayout extends FrameLayout {
+ private Drawable mInsetForeground;
+
+ private Rect mInsets;
+ private Rect mTempRect = new Rect();
+ private OnInsetsCallback mOnInsetsCallback;
+
+ public ScrimInsetsFrameLayout(Context context) {
+ super(context);
+ init(context, null, 0);
+ }
+
+ public ScrimInsetsFrameLayout(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ init(context, attrs, 0);
+ }
+
+ public ScrimInsetsFrameLayout(Context context, AttributeSet attrs, int defStyle) {
+ super(context, attrs, defStyle);
+ init(context, attrs, defStyle);
+ }
+
+ private void init(Context context, AttributeSet attrs, int defStyle) {
+ final TypedArray a = context.obtainStyledAttributes(attrs,
+ R.styleable.ScrimInsetsView, defStyle, 0);
+ if (a == null) {
+ return;
+ }
+ mInsetForeground = a.getDrawable(R.styleable.ScrimInsetsView_insetForeground);
+ a.recycle();
+
+ setWillNotDraw(true);
+ }
+
+ @Override
+ protected boolean fitSystemWindows(Rect insets) {
+ mInsets = new Rect(insets);
+ setWillNotDraw(mInsetForeground == null);
+ ViewCompat.postInvalidateOnAnimation(this);
+ if (mOnInsetsCallback != null) {
+ mOnInsetsCallback.onInsetsChanged(insets);
+ }
+ return true; // consume insets
+ }
+
+ @Override
+ public void draw(Canvas canvas) {
+ super.draw(canvas);
+
+ int width = getWidth();
+ int height = getHeight();
+ if (mInsets != null && mInsetForeground != null) {
+ int sc = canvas.save();
+ canvas.translate(getScrollX(), getScrollY());
+
+ // Top
+ mTempRect.set(0, 0, width, mInsets.top);
+ mInsetForeground.setBounds(mTempRect);
+ mInsetForeground.draw(canvas);
+
+ // Bottom
+ mTempRect.set(0, height - mInsets.bottom, width, height);
+ mInsetForeground.setBounds(mTempRect);
+ mInsetForeground.draw(canvas);
+
+ // Left
+ mTempRect.set(0, mInsets.top, mInsets.left, height - mInsets.bottom);
+ mInsetForeground.setBounds(mTempRect);
+ mInsetForeground.draw(canvas);
+
+ // Right
+ mTempRect.set(width - mInsets.right, mInsets.top, width, height - mInsets.bottom);
+ mInsetForeground.setBounds(mTempRect);
+ mInsetForeground.draw(canvas);
+
+ canvas.restoreToCount(sc);
+ }
+ }
+
+ @Override
+ protected void onAttachedToWindow() {
+ super.onAttachedToWindow();
+ if (mInsetForeground != null) {
+ mInsetForeground.setCallback(this);
+ }
+ }
+
+ @Override
+ protected void onDetachedFromWindow() {
+ super.onDetachedFromWindow();
+ if (mInsetForeground != null) {
+ mInsetForeground.setCallback(null);
+ }
+ }
+
+ /**
+ * Allows the calling container to specify a callback for custom processing when insets change (i.e. when
+ * {@link #fitSystemWindows(android.graphics.Rect)} is called. This is useful for setting padding on UI elements based on
+ * UI chrome insets (e.g. a Google Map or a ListView). When using with ListView or GridView, remember to set
+ * clipToPadding to false.
+ */
+ public void setOnInsetsCallback(OnInsetsCallback onInsetsCallback) {
+ mOnInsetsCallback = onInsetsCallback;
+ }
+
+ public static interface OnInsetsCallback {
+ public void onInsetsChanged(Rect insets);
+ }
+} \ No newline at end of file