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/* 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.tabs;
import org.mozilla.gecko.R;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.ImageButton;
public class TabPanelBackButton extends ImageButton {
private int dividerWidth = 0;
private final Drawable divider;
private final int dividerPadding;
public TabPanelBackButton(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TabPanelBackButton);
divider = a.getDrawable(R.styleable.TabPanelBackButton_rightDivider);
dividerPadding = (int) a.getDimension(R.styleable.TabPanelBackButton_dividerVerticalPadding, 0);
a.recycle();
if (divider != null) {
dividerWidth = divider.getIntrinsicWidth();
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(getMeasuredWidth() + dividerWidth, getMeasuredHeight());
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (divider != null) {
final ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) getLayoutParams();
final int left = getRight() - lp.rightMargin - dividerWidth;
divider.setBounds(left, getPaddingTop() + dividerPadding,
left + dividerWidth, getHeight() - getPaddingBottom() - dividerPadding);
divider.draw(canvas);
}
}
}
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