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