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/*
* Copyright (C) 2012 Andrew Neal
* Copyright (C) 2014 The CyanogenMod Project
* 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 org.lineageos.eleven.widgets;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
/**
* A custom {@link ViewGroup} used to make it's children into perfect squares.
* Useful when dealing with grid images and especially album art.
*
* @author Andrew Neal (andrewdneal@gmail.com)
*/
public class SquareView extends ViewGroup {
/**
* @param context The {@link Context} to use
* @param attrs The attributes of the XML tag that is inflating the view.
*/
public SquareView(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
/**
* {@inheritDoc}
*/
@Override
protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
final View mChildren = getChildAt(0);
mChildren.measure(widthMeasureSpec, widthMeasureSpec);
final int mWidth = resolveSize(mChildren.getMeasuredWidth(), widthMeasureSpec);
mChildren.measure(mWidth, mWidth);
setMeasuredDimension(mWidth, mWidth);
}
/**
* {@inheritDoc}
*/
@Override
protected void onLayout(final boolean changed, final int l, final int u, final int r,
final int d) {
getChildAt(0).layout(0, 0, r - l, d - u);
}
/**
* {@inheritDoc}
*/
@Override
public void requestLayout() {
forceLayout();
}
}
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