gecko/mobile/android/base/BrowserToolbarBackground.java
Sriram Ramasubramanian ebf8e0eb36 Bug 785246: Recreate BrowserToolbar curve with low-level window functions. [r=mfinkle]
--HG--
extra : rebase_source : 28c57bcc00aa8c824ed7e25c648085a084206e35
2012-08-31 11:59:50 -07:00

54 lines
1.6 KiB
Java

/* 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;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Path;
import android.graphics.PorterDuff.Mode;
import android.util.AttributeSet;
import android.widget.LinearLayout;
public class BrowserToolbarBackground extends LinearLayout
implements CanvasDelegate.DrawManager {
Path mPath;
CanvasDelegate mCanvasDelegate;
public BrowserToolbarBackground(Context context, AttributeSet attrs) {
super(context, attrs);
// Path is clipped.
mPath = new Path();
mCanvasDelegate = new CanvasDelegate(this, Mode.DST_OUT);
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int width = getMeasuredWidth();
int height = getMeasuredHeight();
float curve = height * 1.125f;
mPath.reset();
mPath.moveTo(width, height);
mPath.cubicTo((width - (curve * 0.75f)), height,
(width - (curve * 0.25f)), 0,
(width - curve), 0);
mPath.lineTo(width, 0);
mPath.lineTo(width, height);
}
@Override
public void draw(Canvas canvas) {
mCanvasDelegate.draw(canvas, mPath, getWidth(), getHeight());
}
@Override
public void defaultDraw(Canvas canvas) {
super.draw(canvas);
}
}