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| 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 | + |
| 17 | +package com.android.test.hwui; |
| 18 | + |
| 19 | +import android.app.Activity; |
| 20 | +import android.graphics.Color; |
| 21 | +import android.os.Bundle; |
| 22 | +import android.view.View; |
| 23 | +import android.view.ViewGroup; |
| 24 | +import android.widget.LinearLayout; |
| 25 | +import android.widget.TextView; |
| 26 | + |
| 27 | +import java.util.ArrayList; |
| 28 | + |
| 29 | +public class ViewLayerInvalidationActivity extends Activity { |
| 30 | + |
| 31 | + int currentColor = Color.WHITE; |
| 32 | + boolean nestedLayersOn = false; |
| 33 | + ArrayList<LinearLayout> linearLayouts = new ArrayList<LinearLayout>(); |
| 34 | + ArrayList<LinearLayout> topLayouts = new ArrayList<LinearLayout>(); |
| 35 | + ArrayList<TextView> textViews = new ArrayList<TextView>(); |
| 36 | + LinearLayout container = null; |
| 37 | + boolean randomInvalidates = false; |
| 38 | + TextView nestedStatusTV, invalidateStatusTV; |
| 39 | + static final String NO_NESTING = "Nested Layer: NO "; |
| 40 | + static final String NESTING = "Nested Layers: YES "; |
| 41 | + static final String NO_INVALIDATING = "Random Invalidating: NO "; |
| 42 | + static final String INVALIDATING = "Random Invalidating: YES "; |
| 43 | + static final int TEXT_COLOR_INTERVAL = 400; |
| 44 | + static final int INVALIDATING_INTERVAL = 1000; |
| 45 | + static final int NESTING_INTERVAL = 2000; |
| 46 | + |
| 47 | + @Override |
| 48 | + public void onCreate(Bundle savedInstanceState) { |
| 49 | + super.onCreate(savedInstanceState); |
| 50 | + setContentView(R.layout.view_layer_invalidation); |
| 51 | + |
| 52 | + container = (LinearLayout) findViewById(R.id.container); |
| 53 | + final LinearLayout container1 = (LinearLayout) findViewById(R.id.container1); |
| 54 | + final LinearLayout container2 = (LinearLayout) findViewById(R.id.container2); |
| 55 | + final LinearLayout container3 = (LinearLayout) findViewById(R.id.container3); |
| 56 | + nestedStatusTV = (TextView) findViewById(R.id.nestedStatus); |
| 57 | + invalidateStatusTV = (TextView) findViewById(R.id.invalidateStatus); |
| 58 | + final TextView tva = (TextView) findViewById(R.id.textviewa); |
| 59 | + |
| 60 | + topLayouts.add(container1); |
| 61 | + topLayouts.add(container2); |
| 62 | + topLayouts.add(container3); |
| 63 | + |
| 64 | + collectLinearLayouts(container); |
| 65 | + collectTextViews(container); |
| 66 | + |
| 67 | + nestedStatusTV.setText(NO_NESTING); |
| 68 | + invalidateStatusTV.setText(NO_INVALIDATING); |
| 69 | + |
| 70 | + tva.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| 71 | + container1.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| 72 | + container2.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| 73 | + container3.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| 74 | + |
| 75 | + container.postDelayed(textColorSetter, TEXT_COLOR_INTERVAL); |
| 76 | + container.postDelayed(nestedLayerSetter, NESTING_INTERVAL); |
| 77 | + container.postDelayed(randomInvalidatesSetter, INVALIDATING_INTERVAL); |
| 78 | + } |
| 79 | + |
| 80 | + private Runnable textColorSetter = new Runnable() { |
| 81 | + @Override |
| 82 | + public void run() { |
| 83 | + currentColor = (currentColor == Color.WHITE) ? Color.RED : Color.WHITE; |
| 84 | + for (TextView tv : textViews) { |
| 85 | + tv.setTextColor(currentColor); |
| 86 | + } |
| 87 | + if (randomInvalidates) { |
| 88 | + randomInvalidator(container); |
| 89 | + } |
| 90 | + container.postDelayed(textColorSetter, TEXT_COLOR_INTERVAL); |
| 91 | + } |
| 92 | + }; |
| 93 | + |
| 94 | + private Runnable randomInvalidatesSetter = new Runnable() { |
| 95 | + @Override |
| 96 | + public void run() { |
| 97 | + randomInvalidates = !randomInvalidates; |
| 98 | + invalidateStatusTV.setText(randomInvalidates ? INVALIDATING : NO_INVALIDATING); |
| 99 | + container.postDelayed(randomInvalidatesSetter, INVALIDATING_INTERVAL); |
| 100 | + } |
| 101 | + }; |
| 102 | + |
| 103 | + private Runnable nestedLayerSetter = new Runnable() { |
| 104 | + @Override |
| 105 | + public void run() { |
| 106 | + nestedLayersOn = !nestedLayersOn; |
| 107 | + nestedStatusTV.setText(nestedLayersOn ? NESTING : NO_NESTING); |
| 108 | + for (LinearLayout layout : linearLayouts) { |
| 109 | + layout.setLayerType(nestedLayersOn ? |
| 110 | + View.LAYER_TYPE_HARDWARE : View.LAYER_TYPE_NONE, null); |
| 111 | + } |
| 112 | + if (!nestedLayersOn) { |
| 113 | + for (LinearLayout layout : topLayouts) { |
| 114 | + layout.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| 115 | + } |
| 116 | + } |
| 117 | + container.postDelayed(nestedLayerSetter, NESTING_INTERVAL); |
| 118 | + } |
| 119 | + }; |
| 120 | + |
| 121 | + /** |
| 122 | + * Invalidates views based on random chance (50%). This is meant to test |
| 123 | + * invalidating several items in the hierarchy at the same time, which can cause artifacts |
| 124 | + * if our invalidation-propagation logic is not sound. |
| 125 | + */ |
| 126 | + private void randomInvalidator(ViewGroup parent) { |
| 127 | + for (int i = 0; i < parent.getChildCount(); ++i) { |
| 128 | + View child = parent.getChildAt(i); |
| 129 | + if (Math.random() < .5) { |
| 130 | + child.invalidate(); |
| 131 | + } |
| 132 | + if (child instanceof ViewGroup) { |
| 133 | + randomInvalidator((ViewGroup) child); |
| 134 | + } |
| 135 | + } |
| 136 | + } |
| 137 | + |
| 138 | + private void collectLinearLayouts(View view) { |
| 139 | + if (!(view instanceof LinearLayout)) { |
| 140 | + return; |
| 141 | + } |
| 142 | + LinearLayout parent = (LinearLayout) view; |
| 143 | + linearLayouts.add(parent); |
| 144 | + for (int i = 0; i < parent.getChildCount(); ++i) { |
| 145 | + collectLinearLayouts(parent.getChildAt(i)); |
| 146 | + } |
| 147 | + } |
| 148 | + |
| 149 | + private void collectTextViews(View view) { |
| 150 | + if (view instanceof TextView) { |
| 151 | + textViews.add((TextView) view); |
| 152 | + return; |
| 153 | + } |
| 154 | + if (!(view instanceof ViewGroup)) { |
| 155 | + return; |
| 156 | + } |
| 157 | + ViewGroup parent = (ViewGroup) view; |
| 158 | + for (int i = 0; i < parent.getChildCount(); ++i) { |
| 159 | + collectTextViews(parent.getChildAt(i)); |
| 160 | + } |
| 161 | + } |
| 162 | +} |
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