1 /* 2 * Copyright (C) 2017 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.dialer.performancereport; 18 19 import android.os.SystemClock; 20 import android.support.annotation.Nullable; 21 import android.support.v7.widget.RecyclerView; 22 import android.widget.AbsListView; 23 import com.android.dialer.common.LogUtil; 24 import com.android.dialer.logging.UiAction; 25 import java.util.ArrayList; 26 import java.util.List; 27 import java.util.concurrent.TimeUnit; 28 29 /** Tracks UI performance for a call. */ 30 public final class PerformanceReport { 31 32 private static final long INVALID_TIME = -1; 33 private static final long ACTIVE_DURATION = TimeUnit.MINUTES.toMillis(5); 34 35 private static final List<UiAction.Type> actions = new ArrayList<>(); 36 private static final List<Long> actionTimestamps = new ArrayList<>(); 37 38 private static final RecyclerView.OnScrollListener recordOnScrollListener = 39 new RecyclerView.OnScrollListener() { 40 @Override 41 public void onScrollStateChanged(RecyclerView recyclerView, int newState) { 42 if (newState == RecyclerView.SCROLL_STATE_SETTLING) { 43 PerformanceReport.recordClick(UiAction.Type.SCROLL); 44 } 45 super.onScrollStateChanged(recyclerView, newState); 46 } 47 }; 48 49 private static boolean recording = false; 50 private static long appLaunchTimeMillis = INVALID_TIME; 51 private static long firstClickTimeMillis = INVALID_TIME; 52 private static long lastActionTimeMillis = INVALID_TIME; 53 54 @Nullable private static UiAction.Type ignoreActionOnce = null; 55 56 private static int startingTabIndex = -1; // UNKNOWN 57 PerformanceReport()58 private PerformanceReport() {} 59 startRecording()60 public static void startRecording() { 61 LogUtil.enterBlock("PerformanceReport.startRecording"); 62 63 appLaunchTimeMillis = SystemClock.elapsedRealtime(); 64 lastActionTimeMillis = appLaunchTimeMillis; 65 if (!actions.isEmpty()) { 66 actions.clear(); 67 actionTimestamps.clear(); 68 } 69 recording = true; 70 } 71 stopRecording()72 public static void stopRecording() { 73 LogUtil.enterBlock("PerformanceReport.stopRecording"); 74 recording = false; 75 } 76 recordClick(UiAction.Type action)77 public static void recordClick(UiAction.Type action) { 78 if (!recording) { 79 return; 80 } 81 82 if (action == ignoreActionOnce) { 83 LogUtil.i("PerformanceReport.recordClick", "%s is ignored", action.toString()); 84 ignoreActionOnce = null; 85 return; 86 } 87 ignoreActionOnce = null; 88 89 LogUtil.v("PerformanceReport.recordClick", action.toString()); 90 91 // Timeout 92 long currentTime = SystemClock.elapsedRealtime(); 93 if (currentTime - lastActionTimeMillis > ACTIVE_DURATION) { 94 startRecording(); 95 recordClick(action); 96 return; 97 } 98 99 lastActionTimeMillis = currentTime; 100 if (actions.isEmpty()) { 101 firstClickTimeMillis = currentTime; 102 } 103 actions.add(action); 104 actionTimestamps.add(currentTime - appLaunchTimeMillis); 105 } 106 recordScrollStateChange(int scrollState)107 public static void recordScrollStateChange(int scrollState) { 108 if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL) { 109 recordClick(UiAction.Type.SCROLL); 110 } 111 } 112 logOnScrollStateChange(RecyclerView recyclerView)113 public static void logOnScrollStateChange(RecyclerView recyclerView) { 114 // Remove the listener in case it was added before 115 recyclerView.removeOnScrollListener(recordOnScrollListener); 116 recyclerView.addOnScrollListener(recordOnScrollListener); 117 } 118 isRecording()119 public static boolean isRecording() { 120 return recording; 121 } 122 getTimeSinceAppLaunch()123 public static long getTimeSinceAppLaunch() { 124 if (appLaunchTimeMillis == INVALID_TIME) { 125 return INVALID_TIME; 126 } 127 return SystemClock.elapsedRealtime() - appLaunchTimeMillis; 128 } 129 getTimeSinceFirstClick()130 public static long getTimeSinceFirstClick() { 131 if (firstClickTimeMillis == INVALID_TIME) { 132 return INVALID_TIME; 133 } 134 return SystemClock.elapsedRealtime() - firstClickTimeMillis; 135 } 136 getActions()137 public static List<UiAction.Type> getActions() { 138 return actions; 139 } 140 getActionTimestamps()141 public static List<Long> getActionTimestamps() { 142 return actionTimestamps; 143 } 144 getStartingTabIndex()145 public static int getStartingTabIndex() { 146 return startingTabIndex; 147 } 148 setStartingTabIndex(int startingTabIndex)149 public static void setStartingTabIndex(int startingTabIndex) { 150 PerformanceReport.startingTabIndex = startingTabIndex; 151 } 152 setIgnoreActionOnce(@ullable UiAction.Type ignoreActionOnce)153 public static void setIgnoreActionOnce(@Nullable UiAction.Type ignoreActionOnce) { 154 PerformanceReport.ignoreActionOnce = ignoreActionOnce; 155 LogUtil.i( 156 "PerformanceReport.setIgnoreActionOnce", 157 "next action will be ignored once if it is %s", 158 ignoreActionOnce.toString()); 159 } 160 } 161