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      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 
     17 package com.android.photos.views;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.widget.ImageView;
     22 
     23 
     24 public 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