82 lines
2.7 KiB
Java
82 lines
2.7 KiB
Java
/*
|
|
* Copyright 2017 Martijn Brekhof. All rights reserved.
|
|
*
|
|
* 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.xbmc.kore.ui.viewgroups;
|
|
|
|
|
|
import android.content.Context;
|
|
import android.support.v7.widget.GridLayout;
|
|
import android.util.AttributeSet;
|
|
import android.view.ViewGroup;
|
|
import android.view.ViewParent;
|
|
import android.view.ViewTreeObserver;
|
|
import android.widget.RelativeLayout;
|
|
|
|
import org.xbmc.kore.utils.LogUtils;
|
|
|
|
/**
|
|
* The square grid layout creates a square layout that will fit inside
|
|
* the boundaries provided by the parent layout.
|
|
*/
|
|
public class SquareGridLayout extends GridLayout {
|
|
|
|
public SquareGridLayout(Context context) {
|
|
super(context);
|
|
fixForRelativeLayout();
|
|
}
|
|
|
|
public SquareGridLayout(Context context, AttributeSet attrs) {
|
|
super(context, attrs);
|
|
fixForRelativeLayout();
|
|
}
|
|
|
|
public SquareGridLayout(Context context, AttributeSet attrs, int defStyle) {
|
|
super(context, attrs, defStyle);
|
|
fixForRelativeLayout();
|
|
}
|
|
|
|
@Override
|
|
protected void onMeasure(int widthSpec, int heightSpec) {
|
|
int width = MeasureSpec.getSize(widthSpec);
|
|
int height = MeasureSpec.getSize(heightSpec);
|
|
int size = Math.min(width, height);
|
|
|
|
super.onMeasure(MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY),
|
|
MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY));
|
|
}
|
|
|
|
/**
|
|
* When used in a relative layout we need to set the layout parameters to
|
|
* the correct size manually. Otherwise the grid layout will be stretched.
|
|
*/
|
|
private void fixForRelativeLayout() {
|
|
getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
|
|
@Override
|
|
public void onGlobalLayout() {
|
|
ViewGroup.LayoutParams pParams = getLayoutParams();
|
|
|
|
if (pParams instanceof RelativeLayout.LayoutParams) {
|
|
int size = Math.min(getWidth(), getHeight());
|
|
pParams.width = size;
|
|
pParams.height = size;
|
|
setLayoutParams(pParams);
|
|
}
|
|
|
|
getViewTreeObserver().removeGlobalOnLayoutListener(this);
|
|
}
|
|
});
|
|
}
|
|
}
|