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 */
16package com.android.test.uibench;
17
18import android.animation.ObjectAnimator;
19import android.animation.ValueAnimator;
20import android.graphics.Color;
21import android.os.Bundle;
22import android.support.v7.app.AppCompatActivity;
23import android.view.ViewGroup;
24import android.widget.LinearLayout;
25
26import java.util.ArrayList;
27
28/**
29 * Tests invalidation/record performance by invalidating a large number of easily rendered
30 * nested views.
31 */
32public class InvalidateTreeActivity extends AppCompatActivity {
33    private final ArrayList<LinearLayout> mLayouts = new ArrayList<>();
34
35    private int mColorToggle = 0;
36
37    private void createQuadTree(LinearLayout parent, int remainingDepth) {
38        mLayouts.add(parent);
39        if (remainingDepth <= 0) {
40            mColorToggle = (mColorToggle + 1) % 4;
41            parent.setBackgroundColor((mColorToggle < 2) ? Color.RED : Color.BLUE);
42            return;
43        }
44
45        boolean vertical = remainingDepth % 2 == 0;
46        parent.setOrientation(vertical ? LinearLayout.VERTICAL : LinearLayout.HORIZONTAL);
47
48        for (int i = 0; i < 2; i++) {
49            LinearLayout child = new LinearLayout(this);
50            // vertical: match parent in x axis, horizontal: y axis.
51            parent.addView(child, new LinearLayout.LayoutParams(
52                    (vertical ? ViewGroup.LayoutParams.MATCH_PARENT : 0),
53                    (vertical ? 0 : ViewGroup.LayoutParams.MATCH_PARENT),
54                    1.0f));
55
56            createQuadTree(child, remainingDepth - 1);
57        }
58    }
59
60    @SuppressWarnings("unused")
61    public void setIgnoredValue(int ignoredValue) {
62        for (int i = 0; i < mLayouts.size(); i++) {
63            mLayouts.get(i).invalidate();
64        }
65    }
66
67    @Override
68    protected void onCreate(Bundle savedInstanceState) {
69        super.onCreate(savedInstanceState);
70        LinearLayout root = new LinearLayout(this);
71        createQuadTree(root, 8);
72        setContentView(root);
73
74        ObjectAnimator animator = ObjectAnimator.ofInt(this, "ignoredValue", 0, 1000);
75        animator.setRepeatMode(ValueAnimator.REVERSE);
76        animator.setRepeatCount(ValueAnimator.INFINITE);
77        animator.start();
78    }
79}
80