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.systemui.statusbar.phone; 18 19 import android.metrics.LogMaker; 20 import android.util.ArrayMap; 21 22 import com.android.internal.annotations.VisibleForTesting; 23 import com.android.internal.logging.MetricsLogger; 24 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 25 import com.android.systemui.Dependency; 26 import com.android.systemui.EventLogConstants; 27 import com.android.systemui.EventLogTags; 28 29 /** 30 * Wrapper that emits both new- and old-style gesture logs. 31 * TODO: delete this once the old logs are no longer needed. 32 */ 33 public class LockscreenGestureLogger { 34 private ArrayMap<Integer, Integer> mLegacyMap; 35 private LogMaker mLogMaker = new LogMaker(MetricsEvent.VIEW_UNKNOWN) 36 .setType(MetricsEvent.TYPE_ACTION); 37 private final MetricsLogger mMetricsLogger = Dependency.get(MetricsLogger.class); 38 39 public LockscreenGestureLogger() { 40 mLegacyMap = new ArrayMap<>(EventLogConstants.METRICS_GESTURE_TYPE_MAP.length); 41 for (int i = 0; i < EventLogConstants.METRICS_GESTURE_TYPE_MAP.length ; i++) { 42 mLegacyMap.put(EventLogConstants.METRICS_GESTURE_TYPE_MAP[i], i); 43 } 44 } 45 46 public void write(int gesture, int length, int velocity) { 47 mMetricsLogger.write(mLogMaker.setCategory(gesture) 48 .setType(MetricsEvent.TYPE_ACTION) 49 .addTaggedData(MetricsEvent.FIELD_GESTURE_LENGTH, length) 50 .addTaggedData(MetricsEvent.FIELD_GESTURE_VELOCITY, velocity)); 51 // also write old-style logs for backward-0compatibility 52 EventLogTags.writeSysuiLockscreenGesture(safeLookup(gesture), length, velocity); 53 } 54 55 private int safeLookup(int gesture) { 56 Integer value = mLegacyMap.get(gesture); 57 if (value == null) { 58 return MetricsEvent.VIEW_UNKNOWN; 59 } 60 return value; 61 } 62 } 63