Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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.server; |
| 18 | |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 19 | import android.app.ActivityManager; |
Jorim Jaggi | 40aa881 | 2015-09-23 12:59:22 -0700 | [diff] [blame] | 20 | import android.app.StatusBarManager; |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 21 | import android.content.BroadcastReceiver; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 24 | import android.content.IntentFilter; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 25 | import android.content.res.Resources; |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 26 | import android.database.ContentObserver; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 27 | import android.hardware.Sensor; |
| 28 | import android.hardware.SensorEvent; |
| 29 | import android.hardware.SensorEventListener; |
| 30 | import android.hardware.SensorManager; |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 31 | import android.os.Handler; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 32 | import android.os.PowerManager; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 33 | import android.os.PowerManager.WakeLock; |
Zhentao Sun | 575b6fd | 2015-08-25 21:26:45 -0700 | [diff] [blame] | 34 | import android.os.SystemClock; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 35 | import android.os.SystemProperties; |
Amith Yamasani | f16c3be | 2016-07-15 15:33:03 -0700 | [diff] [blame] | 36 | import android.os.UserHandle; |
Kevin Gabayan | 024713c | 2015-07-31 12:01:43 -0700 | [diff] [blame] | 37 | import android.provider.Settings; |
Jorim Jaggi | f1cdf95 | 2016-04-05 21:41:06 -0700 | [diff] [blame] | 38 | import android.util.MutableBoolean; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 39 | import android.util.Slog; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 40 | import android.view.KeyEvent; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 41 | |
Juan Lang | acf62e6 | 2017-04-18 16:35:39 -0700 | [diff] [blame] | 42 | import com.android.internal.annotations.VisibleForTesting; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 43 | import com.android.internal.logging.MetricsLogger; |
Tamas Berghammer | 383db5eb | 2016-06-22 15:21:38 +0100 | [diff] [blame] | 44 | import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
Selim Cinek | 372d1bd | 2015-08-14 13:19:37 -0700 | [diff] [blame] | 45 | import com.android.server.statusbar.StatusBarManagerInternal; |
| 46 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 47 | /** |
| 48 | * The service that listens for gestures detected in sensor firmware and starts the intent |
| 49 | * accordingly. |
| 50 | * <p>For now, only camera launch gesture is supported, and in the future, more gestures can be |
| 51 | * added.</p> |
| 52 | * @hide |
| 53 | */ |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 54 | public class GestureLauncherService extends SystemService { |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 55 | private static final boolean DBG = false; |
| 56 | private static final String TAG = "GestureLauncherService"; |
| 57 | |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 58 | /** |
| 59 | * Time in milliseconds in which the power button must be pressed twice so it will be considered |
| 60 | * as a camera launch. |
| 61 | */ |
Juan Lang | acf62e6 | 2017-04-18 16:35:39 -0700 | [diff] [blame] | 62 | @VisibleForTesting static final long CAMERA_POWER_DOUBLE_TAP_MAX_TIME_MS = 300; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 63 | |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 64 | /** |
| 65 | * Interval in milliseconds in which the power button must be depressed in succession to be |
| 66 | * considered part of an extended sequence of taps. Note that this is a looser threshold than |
| 67 | * the camera launch gesture, because the purpose of this threshold is to measure the |
| 68 | * frequency of consecutive taps, for evaluation for future gestures. |
| 69 | */ |
| 70 | @VisibleForTesting static final long POWER_SHORT_TAP_SEQUENCE_MAX_INTERVAL_MS = 500; |
| 71 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 72 | /** The listener that receives the gesture event. */ |
| 73 | private final GestureEventListener mGestureListener = new GestureEventListener(); |
| 74 | |
| 75 | private Sensor mCameraLaunchSensor; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 76 | private Context mContext; |
Juan Lang | 36f4624 | 2017-04-19 11:58:28 -0700 | [diff] [blame] | 77 | private final MetricsLogger mMetricsLogger; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 78 | |
| 79 | /** The wake lock held when a gesture is detected. */ |
| 80 | private WakeLock mWakeLock; |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 81 | private boolean mRegistered; |
| 82 | private int mUserId; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 83 | |
Zhentao Sun | 575b6fd | 2015-08-25 21:26:45 -0700 | [diff] [blame] | 84 | // Below are fields used for event logging only. |
| 85 | /** Elapsed real time when the camera gesture is turned on. */ |
| 86 | private long mCameraGestureOnTimeMs = 0L; |
| 87 | |
| 88 | /** Elapsed real time when the last camera gesture was detected. */ |
| 89 | private long mCameraGestureLastEventTime = 0L; |
| 90 | |
| 91 | /** |
| 92 | * How long the sensor 1 has been turned on since camera launch sensor was |
| 93 | * subscribed to and when the last camera launch gesture was detected. |
| 94 | * <p>Sensor 1 is the main sensor used to detect camera launch gesture.</p> |
| 95 | */ |
| 96 | private long mCameraGestureSensor1LastOnTimeMs = 0L; |
| 97 | |
| 98 | /** |
| 99 | * If applicable, how long the sensor 2 has been turned on since camera |
| 100 | * launch sensor was subscribed to and when the last camera launch |
| 101 | * gesture was detected. |
| 102 | * <p>Sensor 2 is the secondary sensor used to detect camera launch gesture. |
| 103 | * This is optional and if only sensor 1 is used for detect camera launch |
| 104 | * gesture, this value would always be 0.</p> |
| 105 | */ |
| 106 | private long mCameraGestureSensor2LastOnTimeMs = 0L; |
| 107 | |
| 108 | /** |
| 109 | * Extra information about the event when the last camera launch gesture |
| 110 | * was detected. |
| 111 | */ |
| 112 | private int mCameraLaunchLastEventExtra = 0; |
| 113 | |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 114 | /** |
| 115 | * Whether camera double tap power button gesture is currently enabled; |
| 116 | */ |
| 117 | private boolean mCameraDoubleTapPowerEnabled; |
Jorim Jaggi | 1b68e8b | 2015-09-22 14:44:14 -0700 | [diff] [blame] | 118 | private long mLastPowerDown; |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 119 | private int mPowerButtonConsecutiveTaps; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 120 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 121 | public GestureLauncherService(Context context) { |
Juan Lang | 36f4624 | 2017-04-19 11:58:28 -0700 | [diff] [blame] | 122 | this(context, new MetricsLogger()); |
| 123 | } |
| 124 | |
| 125 | @VisibleForTesting |
| 126 | GestureLauncherService(Context context, MetricsLogger metricsLogger) { |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 127 | super(context); |
| 128 | mContext = context; |
Juan Lang | 36f4624 | 2017-04-19 11:58:28 -0700 | [diff] [blame] | 129 | mMetricsLogger = metricsLogger; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | public void onStart() { |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 133 | LocalServices.addService(GestureLauncherService.class, this); |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | public void onBootPhase(int phase) { |
| 137 | if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) { |
| 138 | Resources resources = mContext.getResources(); |
| 139 | if (!isGestureLauncherEnabled(resources)) { |
| 140 | if (DBG) Slog.d(TAG, "Gesture launcher is disabled in system properties."); |
| 141 | return; |
| 142 | } |
| 143 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 144 | PowerManager powerManager = (PowerManager) mContext.getSystemService( |
| 145 | Context.POWER_SERVICE); |
Selim Cinek | 372d1bd | 2015-08-14 13:19:37 -0700 | [diff] [blame] | 146 | mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 147 | "GestureLauncherService"); |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 148 | updateCameraRegistered(); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 149 | updateCameraDoubleTapPowerEnabled(); |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 150 | |
| 151 | mUserId = ActivityManager.getCurrentUser(); |
| 152 | mContext.registerReceiver(mUserReceiver, new IntentFilter(Intent.ACTION_USER_SWITCHED)); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 153 | registerContentObservers(); |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 154 | } |
| 155 | } |
| 156 | |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 157 | private void registerContentObservers() { |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 158 | mContext.getContentResolver().registerContentObserver( |
| 159 | Settings.Secure.getUriFor(Settings.Secure.CAMERA_GESTURE_DISABLED), |
| 160 | false, mSettingObserver, mUserId); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 161 | mContext.getContentResolver().registerContentObserver( |
| 162 | Settings.Secure.getUriFor(Settings.Secure.CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED), |
| 163 | false, mSettingObserver, mUserId); |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | private void updateCameraRegistered() { |
| 167 | Resources resources = mContext.getResources(); |
| 168 | if (isCameraLaunchSettingEnabled(mContext, mUserId)) { |
| 169 | registerCameraLaunchGesture(resources); |
| 170 | } else { |
| 171 | unregisterCameraLaunchGesture(); |
| 172 | } |
| 173 | } |
| 174 | |
Juan Lang | acf62e6 | 2017-04-18 16:35:39 -0700 | [diff] [blame] | 175 | @VisibleForTesting |
| 176 | void updateCameraDoubleTapPowerEnabled() { |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 177 | boolean enabled = isCameraDoubleTapPowerSettingEnabled(mContext, mUserId); |
| 178 | synchronized (this) { |
| 179 | mCameraDoubleTapPowerEnabled = enabled; |
| 180 | } |
| 181 | } |
| 182 | |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 183 | private void unregisterCameraLaunchGesture() { |
| 184 | if (mRegistered) { |
| 185 | mRegistered = false; |
Zhentao Sun | 575b6fd | 2015-08-25 21:26:45 -0700 | [diff] [blame] | 186 | mCameraGestureOnTimeMs = 0L; |
| 187 | mCameraGestureLastEventTime = 0L; |
| 188 | mCameraGestureSensor1LastOnTimeMs = 0; |
| 189 | mCameraGestureSensor2LastOnTimeMs = 0; |
| 190 | mCameraLaunchLastEventExtra = 0; |
| 191 | |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 192 | SensorManager sensorManager = (SensorManager) mContext.getSystemService( |
| 193 | Context.SENSOR_SERVICE); |
| 194 | sensorManager.unregisterListener(mGestureListener); |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 195 | } |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Registers for the camera launch gesture. |
| 200 | */ |
| 201 | private void registerCameraLaunchGesture(Resources resources) { |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 202 | if (mRegistered) { |
| 203 | return; |
| 204 | } |
Zhentao Sun | 575b6fd | 2015-08-25 21:26:45 -0700 | [diff] [blame] | 205 | mCameraGestureOnTimeMs = SystemClock.elapsedRealtime(); |
| 206 | mCameraGestureLastEventTime = mCameraGestureOnTimeMs; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 207 | SensorManager sensorManager = (SensorManager) mContext.getSystemService( |
| 208 | Context.SENSOR_SERVICE); |
| 209 | int cameraLaunchGestureId = resources.getInteger( |
| 210 | com.android.internal.R.integer.config_cameraLaunchGestureSensorType); |
| 211 | if (cameraLaunchGestureId != -1) { |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 212 | mRegistered = false; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 213 | String sensorName = resources.getString( |
| 214 | com.android.internal.R.string.config_cameraLaunchGestureSensorStringType); |
| 215 | mCameraLaunchSensor = sensorManager.getDefaultSensor( |
| 216 | cameraLaunchGestureId, |
| 217 | true /*wakeUp*/); |
| 218 | |
| 219 | // Compare the camera gesture string type to that in the resource file to make |
| 220 | // sure we are registering the correct sensor. This is redundant check, it |
| 221 | // makes the code more robust. |
| 222 | if (mCameraLaunchSensor != null) { |
| 223 | if (sensorName.equals(mCameraLaunchSensor.getStringType())) { |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 224 | mRegistered = sensorManager.registerListener(mGestureListener, |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 225 | mCameraLaunchSensor, 0); |
| 226 | } else { |
| 227 | String message = String.format("Wrong configuration. Sensor type and sensor " |
| 228 | + "string type don't match: %s in resources, %s in the sensor.", |
| 229 | sensorName, mCameraLaunchSensor.getStringType()); |
| 230 | throw new RuntimeException(message); |
| 231 | } |
| 232 | } |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 233 | if (DBG) Slog.d(TAG, "Camera launch sensor registered: " + mRegistered); |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 234 | } else { |
| 235 | if (DBG) Slog.d(TAG, "Camera launch sensor is not specified."); |
| 236 | } |
| 237 | } |
| 238 | |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 239 | public static boolean isCameraLaunchSettingEnabled(Context context, int userId) { |
| 240 | return isCameraLaunchEnabled(context.getResources()) |
| 241 | && (Settings.Secure.getIntForUser(context.getContentResolver(), |
| 242 | Settings.Secure.CAMERA_GESTURE_DISABLED, 0, userId) == 0); |
| 243 | } |
| 244 | |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 245 | public static boolean isCameraDoubleTapPowerSettingEnabled(Context context, int userId) { |
| 246 | return isCameraDoubleTapPowerEnabled(context.getResources()) |
| 247 | && (Settings.Secure.getIntForUser(context.getContentResolver(), |
| 248 | Settings.Secure.CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED, 0, userId) == 0); |
| 249 | } |
| 250 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 251 | /** |
| 252 | * Whether to enable the camera launch gesture. |
| 253 | */ |
| 254 | public static boolean isCameraLaunchEnabled(Resources resources) { |
| 255 | boolean configSet = resources.getInteger( |
| 256 | com.android.internal.R.integer.config_cameraLaunchGestureSensorType) != -1; |
| 257 | return configSet && |
| 258 | !SystemProperties.getBoolean("gesture.disable_camera_launch", false); |
| 259 | } |
| 260 | |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 261 | public static boolean isCameraDoubleTapPowerEnabled(Resources resources) { |
| 262 | return resources.getBoolean( |
| 263 | com.android.internal.R.bool.config_cameraDoubleTapPowerGestureEnabled); |
| 264 | } |
| 265 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 266 | /** |
| 267 | * Whether GestureLauncherService should be enabled according to system properties. |
| 268 | */ |
| 269 | public static boolean isGestureLauncherEnabled(Resources resources) { |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 270 | return isCameraLaunchEnabled(resources) || isCameraDoubleTapPowerEnabled(resources); |
| 271 | } |
| 272 | |
Jorim Jaggi | f1cdf95 | 2016-04-05 21:41:06 -0700 | [diff] [blame] | 273 | public boolean interceptPowerKeyDown(KeyEvent event, boolean interactive, |
| 274 | MutableBoolean outLaunched) { |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 275 | boolean launched = false; |
Jorim Jaggi | 18f18ae | 2015-09-10 15:48:21 -0700 | [diff] [blame] | 276 | boolean intercept = false; |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 277 | long powerTapInterval; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 278 | synchronized (this) { |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 279 | powerTapInterval = event.getEventTime() - mLastPowerDown; |
Jorim Jaggi | 1b68e8b | 2015-09-22 14:44:14 -0700 | [diff] [blame] | 280 | if (mCameraDoubleTapPowerEnabled |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 281 | && powerTapInterval < CAMERA_POWER_DOUBLE_TAP_MAX_TIME_MS) { |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 282 | launched = true; |
Jorim Jaggi | 1b68e8b | 2015-09-22 14:44:14 -0700 | [diff] [blame] | 283 | intercept = interactive; |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 284 | mPowerButtonConsecutiveTaps++; |
| 285 | } else if (powerTapInterval < POWER_SHORT_TAP_SEQUENCE_MAX_INTERVAL_MS) { |
| 286 | mPowerButtonConsecutiveTaps++; |
| 287 | } else { |
| 288 | mPowerButtonConsecutiveTaps = 1; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 289 | } |
Jorim Jaggi | 1b68e8b | 2015-09-22 14:44:14 -0700 | [diff] [blame] | 290 | mLastPowerDown = event.getEventTime(); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 291 | } |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 292 | if (DBG && mPowerButtonConsecutiveTaps > 1) { |
| 293 | Slog.i(TAG, Long.valueOf(mPowerButtonConsecutiveTaps) + |
| 294 | " consecutive power button taps detected"); |
| 295 | } |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 296 | if (launched) { |
Jorim Jaggi | d3f84d4 | 2015-10-01 14:13:04 -0700 | [diff] [blame] | 297 | Slog.i(TAG, "Power button double tap gesture detected, launching camera. Interval=" |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 298 | + powerTapInterval + "ms"); |
Jorim Jaggi | 40aa881 | 2015-09-23 12:59:22 -0700 | [diff] [blame] | 299 | launched = handleCameraLaunchGesture(false /* useWakelock */, |
| 300 | StatusBarManager.CAMERA_LAUNCH_SOURCE_POWER_DOUBLE_TAP); |
Jorim Jaggi | 1b68e8b | 2015-09-22 14:44:14 -0700 | [diff] [blame] | 301 | if (launched) { |
Juan Lang | 36f4624 | 2017-04-19 11:58:28 -0700 | [diff] [blame] | 302 | mMetricsLogger.action(MetricsEvent.ACTION_DOUBLE_TAP_POWER_CAMERA_GESTURE, |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 303 | (int) powerTapInterval); |
Jorim Jaggi | 1b68e8b | 2015-09-22 14:44:14 -0700 | [diff] [blame] | 304 | } |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 305 | } |
Juan Lang | 0ba2237 | 2017-04-05 13:03:04 -0700 | [diff] [blame^] | 306 | mMetricsLogger.histogram("power_consecutive_short_tap_count", mPowerButtonConsecutiveTaps); |
| 307 | mMetricsLogger.histogram("power_double_tap_interval", (int) powerTapInterval); |
Jorim Jaggi | f1cdf95 | 2016-04-05 21:41:06 -0700 | [diff] [blame] | 308 | outLaunched.value = launched; |
Jorim Jaggi | 18f18ae | 2015-09-10 15:48:21 -0700 | [diff] [blame] | 309 | return intercept && launched; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | /** |
| 313 | * @return true if camera was launched, false otherwise. |
| 314 | */ |
Juan Lang | acf62e6 | 2017-04-18 16:35:39 -0700 | [diff] [blame] | 315 | @VisibleForTesting |
| 316 | boolean handleCameraLaunchGesture(boolean useWakelock, int source) { |
Amith Yamasani | f16c3be | 2016-07-15 15:33:03 -0700 | [diff] [blame] | 317 | boolean userSetupComplete = Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| 318 | Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0; |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 319 | if (!userSetupComplete) { |
| 320 | if (DBG) Slog.d(TAG, String.format( |
| 321 | "userSetupComplete = %s, ignoring camera launch gesture.", |
| 322 | userSetupComplete)); |
| 323 | return false; |
| 324 | } |
| 325 | if (DBG) Slog.d(TAG, String.format( |
| 326 | "userSetupComplete = %s, performing camera launch gesture.", |
| 327 | userSetupComplete)); |
| 328 | |
| 329 | if (useWakelock) { |
| 330 | // Make sure we don't sleep too early |
| 331 | mWakeLock.acquire(500L); |
| 332 | } |
| 333 | StatusBarManagerInternal service = LocalServices.getService( |
| 334 | StatusBarManagerInternal.class); |
Jorim Jaggi | 40aa881 | 2015-09-23 12:59:22 -0700 | [diff] [blame] | 335 | service.onCameraLaunchGestureDetected(source); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 336 | return true; |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 337 | } |
| 338 | |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 339 | private final BroadcastReceiver mUserReceiver = new BroadcastReceiver() { |
| 340 | @Override |
| 341 | public void onReceive(Context context, Intent intent) { |
| 342 | if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) { |
| 343 | mUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0); |
| 344 | mContext.getContentResolver().unregisterContentObserver(mSettingObserver); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 345 | registerContentObservers(); |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 346 | updateCameraRegistered(); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 347 | updateCameraDoubleTapPowerEnabled(); |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 348 | } |
| 349 | } |
| 350 | }; |
| 351 | |
| 352 | private final ContentObserver mSettingObserver = new ContentObserver(new Handler()) { |
| 353 | public void onChange(boolean selfChange, android.net.Uri uri, int userId) { |
| 354 | if (userId == mUserId) { |
| 355 | updateCameraRegistered(); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 356 | updateCameraDoubleTapPowerEnabled(); |
Jason Monk | 5a5e7d6 | 2015-08-04 11:20:25 -0400 | [diff] [blame] | 357 | } |
| 358 | } |
| 359 | }; |
| 360 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 361 | private final class GestureEventListener implements SensorEventListener { |
| 362 | @Override |
| 363 | public void onSensorChanged(SensorEvent event) { |
Zhentao Sun | 575b6fd | 2015-08-25 21:26:45 -0700 | [diff] [blame] | 364 | if (!mRegistered) { |
| 365 | if (DBG) Slog.d(TAG, "Ignoring gesture event because it's unregistered."); |
| 366 | return; |
| 367 | } |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 368 | if (event.sensor == mCameraLaunchSensor) { |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 369 | if (DBG) { |
| 370 | float[] values = event.values; |
| 371 | Slog.d(TAG, String.format("Received a camera launch event: " + |
| 372 | "values=[%.4f, %.4f, %.4f].", values[0], values[1], values[2])); |
| 373 | } |
Jorim Jaggi | 40aa881 | 2015-09-23 12:59:22 -0700 | [diff] [blame] | 374 | if (handleCameraLaunchGesture(true /* useWakelock */, |
| 375 | StatusBarManager.CAMERA_LAUNCH_SOURCE_WIGGLE)) { |
Juan Lang | 36f4624 | 2017-04-19 11:58:28 -0700 | [diff] [blame] | 376 | mMetricsLogger.action(MetricsEvent.ACTION_WIGGLE_CAMERA_GESTURE); |
Adrian Roos | 5941c98 | 2015-09-03 15:59:49 -0700 | [diff] [blame] | 377 | trackCameraLaunchEvent(event); |
| 378 | } |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 379 | return; |
| 380 | } |
| 381 | } |
| 382 | |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 383 | @Override |
| 384 | public void onAccuracyChanged(Sensor sensor, int accuracy) { |
| 385 | // Ignored. |
| 386 | } |
Zhentao Sun | 575b6fd | 2015-08-25 21:26:45 -0700 | [diff] [blame] | 387 | |
| 388 | private void trackCameraLaunchEvent(SensorEvent event) { |
| 389 | long now = SystemClock.elapsedRealtime(); |
| 390 | long totalDuration = now - mCameraGestureOnTimeMs; |
| 391 | // values[0]: ratio between total time duration when accel is turned on and time |
| 392 | // duration since camera launch gesture is subscribed. |
| 393 | // values[1]: ratio between total time duration when gyro is turned on and time duration |
| 394 | // since camera launch gesture is subscribed. |
| 395 | // values[2]: extra information |
| 396 | float[] values = event.values; |
| 397 | |
| 398 | long sensor1OnTime = (long) (totalDuration * (double) values[0]); |
| 399 | long sensor2OnTime = (long) (totalDuration * (double) values[1]); |
| 400 | int extra = (int) values[2]; |
| 401 | |
| 402 | // We only log the difference in the event log to make aggregation easier. |
| 403 | long gestureOnTimeDiff = now - mCameraGestureLastEventTime; |
| 404 | long sensor1OnTimeDiff = sensor1OnTime - mCameraGestureSensor1LastOnTimeMs; |
| 405 | long sensor2OnTimeDiff = sensor2OnTime - mCameraGestureSensor2LastOnTimeMs; |
| 406 | int extraDiff = extra - mCameraLaunchLastEventExtra; |
| 407 | |
| 408 | // Gating against negative time difference. This doesn't usually happen, but it may |
| 409 | // happen because of numeric errors. |
| 410 | if (gestureOnTimeDiff < 0 || sensor1OnTimeDiff < 0 || sensor2OnTimeDiff < 0) { |
| 411 | if (DBG) Slog.d(TAG, "Skipped event logging because negative numbers."); |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | if (DBG) Slog.d(TAG, String.format("totalDuration: %d, sensor1OnTime: %s, " + |
| 416 | "sensor2OnTime: %d, extra: %d", |
| 417 | gestureOnTimeDiff, |
| 418 | sensor1OnTimeDiff, |
| 419 | sensor2OnTimeDiff, |
| 420 | extraDiff)); |
| 421 | EventLogTags.writeCameraGestureTriggered( |
| 422 | gestureOnTimeDiff, |
| 423 | sensor1OnTimeDiff, |
| 424 | sensor2OnTimeDiff, |
| 425 | extraDiff); |
| 426 | |
| 427 | mCameraGestureLastEventTime = now; |
| 428 | mCameraGestureSensor1LastOnTimeMs = sensor1OnTime; |
| 429 | mCameraGestureSensor2LastOnTimeMs = sensor2OnTime; |
| 430 | mCameraLaunchLastEventExtra = extra; |
| 431 | } |
Zhentao Sun | c6cd1f9 | 2015-07-21 17:43:53 -0700 | [diff] [blame] | 432 | } |
| 433 | } |