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
17package com.android.settings.display;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.widget.LinearLayout;
22
23import com.android.settings.R;
24
25public 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