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      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 
     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
     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