| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.systemui.statusbar.phone; |
| |
| import android.metrics.LogMaker; |
| import android.util.ArrayMap; |
| |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.EventLogConstants; |
| import com.android.systemui.EventLogTags; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Wrapper that emits both new- and old-style gesture logs. |
| * TODO: delete this once the old logs are no longer needed. |
| */ |
| @Singleton |
| public class LockscreenGestureLogger { |
| private ArrayMap<Integer, Integer> mLegacyMap; |
| private LogMaker mLogMaker = new LogMaker(MetricsEvent.VIEW_UNKNOWN) |
| .setType(MetricsEvent.TYPE_ACTION); |
| private final MetricsLogger mMetricsLogger = Dependency.get(MetricsLogger.class); |
| |
| @Inject |
| public LockscreenGestureLogger() { |
| mLegacyMap = new ArrayMap<>(EventLogConstants.METRICS_GESTURE_TYPE_MAP.length); |
| for (int i = 0; i < EventLogConstants.METRICS_GESTURE_TYPE_MAP.length ; i++) { |
| mLegacyMap.put(EventLogConstants.METRICS_GESTURE_TYPE_MAP[i], i); |
| } |
| } |
| |
| public void write(int gesture, int length, int velocity) { |
| mMetricsLogger.write(mLogMaker.setCategory(gesture) |
| .setType(MetricsEvent.TYPE_ACTION) |
| .addTaggedData(MetricsEvent.FIELD_GESTURE_LENGTH, length) |
| .addTaggedData(MetricsEvent.FIELD_GESTURE_VELOCITY, velocity)); |
| // also write old-style logs for backward-0compatibility |
| EventLogTags.writeSysuiLockscreenGesture(safeLookup(gesture), length, velocity); |
| } |
| |
| /** |
| * Record the location of a swipe gesture, expressed as percentages of the whole screen |
| * @param category the action |
| * @param xPercent x-location / width * 100 |
| * @param yPercent y-location / height * 100 |
| */ |
| public void writeAtFractionalPosition( |
| int category, int xPercent, int yPercent, int rotation) { |
| mMetricsLogger.write(mLogMaker.setCategory(category) |
| .setType(MetricsEvent.TYPE_ACTION) |
| .addTaggedData(MetricsEvent.FIELD_GESTURE_X_PERCENT, xPercent) |
| .addTaggedData(MetricsEvent.FIELD_GESTURE_Y_PERCENT, yPercent) |
| .addTaggedData(MetricsEvent.FIELD_DEVICE_ROTATION, rotation)); |
| } |
| |
| private int safeLookup(int gesture) { |
| Integer value = mLegacyMap.get(gesture); |
| if (value == null) { |
| return MetricsEvent.VIEW_UNKNOWN; |
| } |
| return value; |
| } |
| } |