1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.photos.views;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.widget.ImageView;
22
23
24public class SquareImageView extends ImageView {
25
26    public SquareImageView(Context context) {
27        super(context);
28    }
29
30    public SquareImageView(Context context, AttributeSet attrs) {
31        super(context, attrs);
32    }
33
34    public SquareImageView(Context context, AttributeSet attrs, int defStyle) {
35        super(context, attrs, defStyle);
36    }
37
38    @Override
39    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
40        int widthMode = MeasureSpec.getMode(widthMeasureSpec);
41        int heightMode = MeasureSpec.getMode(heightMeasureSpec);
42        if (widthMode == MeasureSpec.EXACTLY && heightMode != MeasureSpec.EXACTLY) {
43            int width = MeasureSpec.getSize(widthMeasureSpec);
44            int height = width;
45            if (heightMode == MeasureSpec.AT_MOST) {
46                height = Math.min(height, MeasureSpec.getSize(heightMeasureSpec));
47            }
48            setMeasuredDimension(width, height);
49        } else {
50            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
51        }
52    }
53}
54