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.logging.MetricsLogger;
23 import com.android.internal.logging.UiEvent;
24 import com.android.internal.logging.UiEventLogger;
25 import com.android.internal.logging.UiEventLoggerImpl;
26 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
27 import com.android.systemui.EventLogConstants;
28 import com.android.systemui.EventLogTags;
29 import com.android.systemui.dagger.SysUISingleton;
30 
31 import javax.inject.Inject;
32 
33 /**
34  * Wrapper that emits both new- and old-style gesture logs.
35  * TODO: delete this once the old logs are no longer needed.
36  */
37 @SysUISingleton
38 public class LockscreenGestureLogger {
39 
40     /**
41      * Contains Lockscreen related statsd UiEvent enums.
42      */
43     public enum LockscreenUiEvent implements UiEventLogger.UiEventEnum {
44         @UiEvent(doc = "Lockscreen > Pull shade open")
45         LOCKSCREEN_PULL_SHADE_OPEN(539),
46 
47         @UiEvent(doc = "Lockscreen > Tap on lock, locks phone")
48         LOCKSCREEN_LOCK_TAP(540),
49 
50         @UiEvent(doc = "Lockscreen > Swipe down to open quick settings")
51         LOCKSCREEN_QUICK_SETTINGS_OPEN(541),
52 
53         @UiEvent(doc = "Swipe down to open quick settings when unlocked")
54         LOCKSCREEN_UNLOCKED_QUICK_SETTINGS_OPEN(542),
55 
56         @UiEvent(doc = "Lockscreen > Tap on lock, shows hint")
57         LOCKSCREEN_LOCK_SHOW_HINT(543),
58 
59         @UiEvent(doc = "Notification shade > Tap to open quick settings")
60         LOCKSCREEN_NOTIFICATION_SHADE_QUICK_SETTINGS_OPEN(544),
61 
62         @UiEvent(doc = "Lockscreen > Dialer")
63         LOCKSCREEN_DIALER(545),
64 
65         @UiEvent(doc = "Lockscreen > Camera")
66         LOCKSCREEN_CAMERA(546),
67 
68         @UiEvent(doc = "Lockscreen > Unlock gesture")
69         LOCKSCREEN_UNLOCK(547),
70 
71         @UiEvent(doc = "Lockscreen > Tap on notification, false touch rejection")
72         LOCKSCREEN_NOTIFICATION_FALSE_TOUCH(548),
73 
74         @UiEvent(doc = "Expand the notification panel while unlocked")
75         LOCKSCREEN_UNLOCKED_NOTIFICATION_PANEL_EXPAND(549);
76 
77         private final int mId;
78 
LockscreenUiEvent(int id)79         LockscreenUiEvent(int id) {
80             mId = id;
81         }
82 
83         @Override
getId()84         public int getId() {
85             return mId;
86         }
87     }
88 
89     private ArrayMap<Integer, Integer> mLegacyMap;
90     private final MetricsLogger mMetricsLogger;
91 
92     @Inject
LockscreenGestureLogger(MetricsLogger metricsLogger)93     public LockscreenGestureLogger(MetricsLogger metricsLogger) {
94         mMetricsLogger = metricsLogger;
95         mLegacyMap = new ArrayMap<>(EventLogConstants.METRICS_GESTURE_TYPE_MAP.length);
96         for (int i = 0; i < EventLogConstants.METRICS_GESTURE_TYPE_MAP.length ; i++) {
97             mLegacyMap.put(EventLogConstants.METRICS_GESTURE_TYPE_MAP[i], i);
98         }
99     }
100 
write(int gesture, int length, int velocity)101     public void write(int gesture, int length, int velocity) {
102         mMetricsLogger.write(new LogMaker(gesture)
103                 .setType(MetricsEvent.TYPE_ACTION)
104                 .addTaggedData(MetricsEvent.FIELD_GESTURE_LENGTH, length)
105                 .addTaggedData(MetricsEvent.FIELD_GESTURE_VELOCITY, velocity));
106         // also write old-style logs for backward-0compatibility
107         EventLogTags.writeSysuiLockscreenGesture(safeLookup(gesture), length, velocity);
108     }
109 
110     /**
111      * Logs {@link LockscreenUiEvent}.
112      */
log(LockscreenUiEvent lockscreenUiEvent)113     public void log(LockscreenUiEvent lockscreenUiEvent) {
114         new UiEventLoggerImpl().log(lockscreenUiEvent);
115     }
116 
117     /**
118      * Record the location of a swipe gesture, expressed as percentages of the whole screen
119      * @param category the action
120      * @param xPercent x-location / width * 100
121      * @param yPercent y-location / height * 100
122      */
writeAtFractionalPosition( int category, int xPercent, int yPercent, int rotation)123     public void writeAtFractionalPosition(
124             int category, int xPercent, int yPercent, int rotation) {
125         mMetricsLogger.write(new LogMaker(category)
126                 .setType(MetricsEvent.TYPE_ACTION)
127                 .addTaggedData(MetricsEvent.FIELD_GESTURE_X_PERCENT, xPercent)
128                 .addTaggedData(MetricsEvent.FIELD_GESTURE_Y_PERCENT, yPercent)
129                 .addTaggedData(MetricsEvent.FIELD_DEVICE_ROTATION, rotation));
130     }
131 
safeLookup(int gesture)132     private int safeLookup(int gesture) {
133         Integer value = mLegacyMap.get(gesture);
134         if (value == null) {
135             return MetricsEvent.VIEW_UNKNOWN;
136         }
137         return value;
138     }
139 }
140