1/*
2 * Copyright (C) 2012 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.internal.widget;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.util.Log;
22import android.view.View;
23import android.widget.RelativeLayout;
24
25public class FaceUnlockView extends RelativeLayout {
26    private static final String TAG = "FaceUnlockView";
27
28    public FaceUnlockView(Context context) {
29        this(context, null);
30    }
31
32    public FaceUnlockView(Context context, AttributeSet attrs) {
33        super(context, attrs);
34    }
35
36    private int resolveMeasured(int measureSpec, int desired)
37    {
38        int result = 0;
39        int specSize = MeasureSpec.getSize(measureSpec);
40        switch (MeasureSpec.getMode(measureSpec)) {
41            case MeasureSpec.UNSPECIFIED:
42                result = desired;
43                break;
44            case MeasureSpec.AT_MOST:
45                result = Math.max(specSize, desired);
46                break;
47            case MeasureSpec.EXACTLY:
48            default:
49                result = specSize;
50        }
51        return result;
52    }
53
54    @Override
55    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
56        final int minimumWidth = getSuggestedMinimumWidth();
57        final int minimumHeight = getSuggestedMinimumHeight();
58        int viewWidth = resolveMeasured(widthMeasureSpec, minimumWidth);
59        int viewHeight = resolveMeasured(heightMeasureSpec, minimumHeight);
60
61        final int chosenSize = Math.min(viewWidth, viewHeight);
62        final int newWidthMeasureSpec =
63                MeasureSpec.makeMeasureSpec(chosenSize, MeasureSpec.AT_MOST);
64        final int newHeightMeasureSpec =
65                MeasureSpec.makeMeasureSpec(chosenSize, MeasureSpec.AT_MOST);
66
67        super.onMeasure(newWidthMeasureSpec, newHeightMeasureSpec);
68    }
69}
70