1 /* 2 * Copyright 2018 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.pump.widget; 18 19 import android.content.Context; 20 import android.graphics.drawable.Drawable; 21 import android.util.AttributeSet; 22 23 import androidx.annotation.AttrRes; 24 import androidx.annotation.NonNull; 25 import androidx.annotation.Nullable; 26 import androidx.annotation.UiThread; 27 28 @UiThread 29 public class AspectRatioImageView extends UriImageView { AspectRatioImageView(@onNull Context context)30 public AspectRatioImageView(@NonNull Context context) { 31 super(context); 32 } 33 AspectRatioImageView(@onNull Context context, @Nullable AttributeSet attrs)34 public AspectRatioImageView(@NonNull Context context, @Nullable AttributeSet attrs) { 35 super(context, attrs); 36 } 37 AspectRatioImageView(@onNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr)38 public AspectRatioImageView(@NonNull Context context, @Nullable AttributeSet attrs, 39 @AttrRes int defStyleAttr) { 40 super(context, attrs, defStyleAttr); 41 } 42 43 @Override onMeasure(int widthMeasureSpec, int heightMeasureSpec)44 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 45 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 46 47 // TODO Make aspect ratio configurable 48 int aspectWidth = 16; 49 int aspectHeight = 9; 50 51 Drawable drawable = getDrawable(); 52 if (drawable != null) { 53 // TODO Landscape/Portrait preference should be configurable 54 int intrinsicWidth = drawable.getIntrinsicWidth(); 55 int intrinsicHeight = drawable.getIntrinsicHeight(); 56 57 if (intrinsicWidth < intrinsicHeight) { 58 aspectWidth = 2; 59 aspectHeight = 3; 60 } 61 } 62 63 int width = getMeasuredWidth(); 64 int height = width * aspectHeight / aspectWidth; 65 setMeasuredDimension(width, height); 66 } 67 } 68