Files
tubestation/mobile/android/base/widget/RoundedCornerLayout.java

66 lines
2.0 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* 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.gecko.widget;
import org.mozilla.gecko.R;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Path;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.widget.LinearLayout;
public class RoundedCornerLayout extends LinearLayout {
private static final String LOGTAG = "Gecko" + RoundedCornerLayout.class.getSimpleName();
private float cornerRadius;
private Path path;
public RoundedCornerLayout(Context context) {
super(context);
init(context);
}
public RoundedCornerLayout(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
public RoundedCornerLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context);
}
private void init(Context context) {
final DisplayMetrics metrics = context.getResources().getDisplayMetrics();
cornerRadius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX,
getResources().getDimensionPixelSize(R.dimen.doorhanger_rounded_corner_radius), metrics);
setWillNotDraw(false);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
final RectF r = new RectF(0, 0, w, h);
path = new Path();
path.addRoundRect(r, cornerRadius, cornerRadius, Path.Direction.CW);
path.close();
}
@Override
public void draw(Canvas canvas) {
canvas.save();
canvas.clipPath(path);
super.draw(canvas);
canvas.restore();
}
}