SlidingTabScrollView.java

/*
 *      Copyright (C) 2005-2009 Team XBMC
 *      http://xbmc.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with XBMC Remote; see the file license.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

package org.xbmc.android.widget.slidingtabs;

import org.xbmc.android.remote.R;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;

/**
 * This is roughly taken from Android's HorizontalScrollView code. The idea
 * is to have a view that can be as large as its content but doesn't scroll
 * 
 * @author Team XBMC
 */
public class SlidingTabScrollView extends FrameLayout {

	public SlidingTabScrollView(Context context) {
		this(context, null);
	}

	public SlidingTabScrollView(Context context, AttributeSet attrs) {
		this(context, attrs, R.attr.slidingTabScrollViewStyle);
	}

	public SlidingTabScrollView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
	}

	@Override
	protected void measureChildWithMargins(View child, int parentWidthMeasureSpec, int widthUsed, int parentHeightMeasureSpec, int heightUsed) {
		final MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams();

		final int childHeightMeasureSpec = getChildMeasureSpec(parentHeightMeasureSpec, getPaddingTop() + getPaddingBottom() + lp.topMargin + lp.bottomMargin
				+ heightUsed, lp.height);
		final int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.leftMargin + lp.rightMargin, MeasureSpec.UNSPECIFIED);

		child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
	}
}