1 /* 2 * Copyright (C) 2016 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.settings.display; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.widget.LinearLayout; 22 23 import com.android.settings.R; 24 25 public class MessageBubbleBackground extends LinearLayout { 26 private final int mSnapWidthPixels; 27 MessageBubbleBackground(Context context, AttributeSet attrs)28 public MessageBubbleBackground(Context context, AttributeSet attrs) { 29 super(context, attrs); 30 mSnapWidthPixels = context.getResources().getDimensionPixelSize( 31 R.dimen.conversation_bubble_width_snap); 32 } 33 34 @Override onMeasure(int widthMeasureSpec, int heightMeasureSpec)35 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 36 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 37 final int widthPadding = getPaddingLeft() + getPaddingRight(); 38 int bubbleWidth = getMeasuredWidth() - widthPadding; 39 final int maxWidth = MeasureSpec.getSize(widthMeasureSpec) - widthPadding; 40 // Round up to next snapWidthPixels 41 bubbleWidth = Math.min(maxWidth, 42 (int) (Math.ceil(bubbleWidth / (float) mSnapWidthPixels) * mSnapWidthPixels)); 43 super.onMeasure( 44 MeasureSpec.makeMeasureSpec(bubbleWidth + widthPadding, MeasureSpec.EXACTLY), 45 heightMeasureSpec); 46 } 47 } 48