Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 1 | /* |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 2 | * Copyright (C) 2019 The Android Open Source Project |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 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 |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 14 | * limitations under the License. |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | package com.android.systemui.statusbar; |
| 18 | |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 19 | import android.animation.ObjectAnimator; |
| 20 | import android.animation.ValueAnimator; |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 21 | import android.text.format.DateFormat; |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 22 | import android.util.FloatProperty; |
| 23 | import android.view.animation.Interpolator; |
| 24 | |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 25 | import com.android.internal.annotations.GuardedBy; |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 26 | import com.android.systemui.Dumpable; |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 27 | import com.android.systemui.Interpolators; |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 28 | import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener; |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 29 | import com.android.systemui.statusbar.notification.stack.StackStateAnimator; |
Jason Monk | af08c15 | 2018-12-04 11:12:39 -0500 | [diff] [blame] | 30 | import com.android.systemui.statusbar.policy.CallbackController; |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 31 | |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 32 | import java.io.FileDescriptor; |
| 33 | import java.io.PrintWriter; |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 34 | import java.util.ArrayList; |
| 35 | import java.util.Comparator; |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 36 | |
Jason Monk | 27d01a62 | 2018-12-10 15:57:09 -0500 | [diff] [blame] | 37 | import javax.inject.Inject; |
| 38 | import javax.inject.Singleton; |
| 39 | |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 40 | /** |
| 41 | * Tracks and reports on {@link StatusBarState}. |
| 42 | */ |
Jason Monk | 27d01a62 | 2018-12-10 15:57:09 -0500 | [diff] [blame] | 43 | @Singleton |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 44 | public class StatusBarStateControllerImpl implements SysuiStatusBarStateController, |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 45 | CallbackController<StateListener>, Dumpable { |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 46 | private static final String TAG = "SbStateController"; |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 47 | // Must be a power of 2 |
| 48 | private static final int HISTORY_SIZE = 32; |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 49 | |
| 50 | private static final int MAX_STATE = StatusBarState.FULLSCREEN_USER_SWITCHER; |
| 51 | private static final int MIN_STATE = StatusBarState.SHADE; |
| 52 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 53 | private static final Comparator<RankedListener> sComparator = |
| 54 | Comparator.comparingInt(o -> o.mRank); |
| 55 | private static final FloatProperty<StatusBarStateControllerImpl> SET_DARK_AMOUNT_PROPERTY = |
| 56 | new FloatProperty<StatusBarStateControllerImpl>("mDozeAmount") { |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 57 | |
| 58 | @Override |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 59 | public void setValue(StatusBarStateControllerImpl object, float value) { |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 60 | object.setDozeAmountInternal(value); |
| 61 | } |
| 62 | |
| 63 | @Override |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 64 | public Float get(StatusBarStateControllerImpl object) { |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 65 | return object.mDozeAmount; |
| 66 | } |
| 67 | }; |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 68 | |
| 69 | private final ArrayList<RankedListener> mListeners = new ArrayList<>(); |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 70 | private int mState; |
| 71 | private int mLastState; |
| 72 | private boolean mLeaveOpenOnKeyguardHide; |
Jason Monk | 297c04e | 2018-08-23 17:16:59 -0400 | [diff] [blame] | 73 | private boolean mKeyguardRequested; |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 74 | |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 75 | // Record the HISTORY_SIZE most recent states |
| 76 | private int mHistoryIndex = 0; |
| 77 | private HistoricalState[] mHistoricalRecords = new HistoricalState[HISTORY_SIZE]; |
| 78 | |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 79 | /** |
| 80 | * If the device is currently dozing or not. |
| 81 | */ |
| 82 | private boolean mIsDozing; |
| 83 | |
| 84 | /** |
| 85 | * Current {@link #mDozeAmount} animator. |
| 86 | */ |
| 87 | private ValueAnimator mDarkAnimator; |
| 88 | |
| 89 | /** |
| 90 | * Current doze amount in this frame. |
| 91 | */ |
| 92 | private float mDozeAmount; |
| 93 | |
| 94 | /** |
| 95 | * Where the animator will stop. |
| 96 | */ |
| 97 | private float mDozeAmountTarget; |
| 98 | |
| 99 | /** |
| 100 | * The type of interpolator that should be used to the doze animation. |
| 101 | */ |
| 102 | private Interpolator mDozeInterpolator = Interpolators.FAST_OUT_SLOW_IN; |
| 103 | |
Jason Monk | 27d01a62 | 2018-12-10 15:57:09 -0500 | [diff] [blame] | 104 | @Inject |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 105 | public StatusBarStateControllerImpl() { |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 106 | for (int i = 0; i < HISTORY_SIZE; i++) { |
| 107 | mHistoricalRecords[i] = new HistoricalState(); |
| 108 | } |
Jason Monk | 27d01a62 | 2018-12-10 15:57:09 -0500 | [diff] [blame] | 109 | } |
| 110 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 111 | @Override |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 112 | public int getState() { |
| 113 | return mState; |
| 114 | } |
| 115 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 116 | @Override |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 117 | public boolean setState(int state) { |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 118 | if (state > MAX_STATE || state < MIN_STATE) { |
| 119 | throw new IllegalArgumentException("Invalid state " + state); |
| 120 | } |
| 121 | if (state == mState) { |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 122 | return false; |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 123 | } |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 124 | |
| 125 | // Record the to-be mState and mLastState |
| 126 | recordHistoricalState(state, mState); |
| 127 | |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 128 | synchronized (mListeners) { |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 129 | for (RankedListener rl : new ArrayList<>(mListeners)) { |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 130 | rl.mListener.onStatePreChange(mState, state); |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 131 | } |
| 132 | mLastState = mState; |
| 133 | mState = state; |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 134 | for (RankedListener rl : new ArrayList<>(mListeners)) { |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 135 | rl.mListener.onStateChanged(mState); |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | for (RankedListener rl : new ArrayList<>(mListeners)) { |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 139 | rl.mListener.onStatePostChange(); |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 140 | } |
| 141 | } |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 142 | |
| 143 | return true; |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 144 | } |
| 145 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 146 | @Override |
Evan Laird | e84d855 | 2018-10-15 15:08:45 -0400 | [diff] [blame] | 147 | public boolean isDozing() { |
| 148 | return mIsDozing; |
| 149 | } |
| 150 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 151 | @Override |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 152 | public float getDozeAmount() { |
| 153 | return mDozeAmount; |
| 154 | } |
| 155 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 156 | @Override |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 157 | public float getInterpolatedDozeAmount() { |
| 158 | return mDozeInterpolator.getInterpolation(mDozeAmount); |
| 159 | } |
| 160 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 161 | @Override |
Evan Laird | e84d855 | 2018-10-15 15:08:45 -0400 | [diff] [blame] | 162 | public boolean setIsDozing(boolean isDozing) { |
| 163 | if (mIsDozing == isDozing) { |
| 164 | return false; |
| 165 | } |
| 166 | |
| 167 | mIsDozing = isDozing; |
| 168 | |
| 169 | synchronized (mListeners) { |
| 170 | for (RankedListener rl : new ArrayList<>(mListeners)) { |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 171 | rl.mListener.onDozingChanged(isDozing); |
Evan Laird | e84d855 | 2018-10-15 15:08:45 -0400 | [diff] [blame] | 172 | } |
| 173 | } |
| 174 | |
| 175 | return true; |
| 176 | } |
| 177 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 178 | @Override |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 179 | public void setDozeAmount(float dozeAmount, boolean animated) { |
| 180 | if (mDarkAnimator != null && mDarkAnimator.isRunning()) { |
| 181 | if (animated && mDozeAmountTarget == dozeAmount) { |
| 182 | return; |
| 183 | } else { |
| 184 | mDarkAnimator.cancel(); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | mDozeAmountTarget = dozeAmount; |
| 189 | if (animated) { |
| 190 | startDozeAnimation(); |
| 191 | } else { |
| 192 | setDozeAmountInternal(dozeAmount); |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | private void startDozeAnimation() { |
| 197 | if (mDozeAmount == 0f || mDozeAmount == 1f) { |
| 198 | mDozeInterpolator = mIsDozing |
| 199 | ? Interpolators.FAST_OUT_SLOW_IN |
| 200 | : Interpolators.TOUCH_RESPONSE_REVERSE; |
| 201 | } |
| 202 | mDarkAnimator = ObjectAnimator.ofFloat(this, SET_DARK_AMOUNT_PROPERTY, mDozeAmountTarget); |
| 203 | mDarkAnimator.setInterpolator(Interpolators.LINEAR); |
| 204 | mDarkAnimator.setDuration(StackStateAnimator.ANIMATION_DURATION_WAKEUP); |
| 205 | mDarkAnimator.start(); |
| 206 | } |
| 207 | |
| 208 | private void setDozeAmountInternal(float dozeAmount) { |
| 209 | mDozeAmount = dozeAmount; |
| 210 | float interpolatedAmount = mDozeInterpolator.getInterpolation(dozeAmount); |
| 211 | synchronized (mListeners) { |
| 212 | for (RankedListener rl : new ArrayList<>(mListeners)) { |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 213 | rl.mListener.onDozeAmountChanged(mDozeAmount, interpolatedAmount); |
Lucas Dupin | 1a8b33d | 2018-11-12 18:18:15 -0800 | [diff] [blame] | 214 | } |
| 215 | } |
| 216 | } |
| 217 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 218 | @Override |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 219 | public boolean goingToFullShade() { |
| 220 | return mState == StatusBarState.SHADE && mLeaveOpenOnKeyguardHide; |
| 221 | } |
| 222 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 223 | @Override |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 224 | public void setLeaveOpenOnKeyguardHide(boolean leaveOpen) { |
| 225 | mLeaveOpenOnKeyguardHide = leaveOpen; |
| 226 | } |
| 227 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 228 | @Override |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 229 | public boolean leaveOpenOnKeyguardHide() { |
| 230 | return mLeaveOpenOnKeyguardHide; |
| 231 | } |
| 232 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 233 | @Override |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 234 | public boolean fromShadeLocked() { |
| 235 | return mLastState == StatusBarState.SHADE_LOCKED; |
| 236 | } |
| 237 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 238 | @Override |
Jason Monk | af08c15 | 2018-12-04 11:12:39 -0500 | [diff] [blame] | 239 | public void addCallback(StateListener listener) { |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 240 | synchronized (mListeners) { |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 241 | addListenerInternalLocked(listener, Integer.MAX_VALUE); |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 242 | } |
| 243 | } |
| 244 | |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 245 | /** |
| 246 | * Add a listener and a rank based on the priority of this message |
| 247 | * @param listener the listener |
| 248 | * @param rank the order in which you'd like to be called. Ranked listeners will be |
| 249 | * notified before unranked, and we will sort ranked listeners from low to high |
| 250 | * |
| 251 | * @deprecated This method exists only to solve latent inter-dependencies from refactoring |
| 252 | * StatusBarState out of StatusBar.java. Any new listeners should be built not to need ranking |
| 253 | * (i.e., they are non-dependent on the order of operations of StatusBarState listeners). |
| 254 | */ |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 255 | @Deprecated |
| 256 | @Override |
Jason Monk | af08c15 | 2018-12-04 11:12:39 -0500 | [diff] [blame] | 257 | public void addCallback(StateListener listener, @SbStateListenerRank int rank) { |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 258 | synchronized (mListeners) { |
| 259 | addListenerInternalLocked(listener, rank); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | @GuardedBy("mListeners") |
| 264 | private void addListenerInternalLocked(StateListener listener, int rank) { |
| 265 | // Protect against double-subscribe |
| 266 | for (RankedListener rl : mListeners) { |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 267 | if (rl.mListener.equals(listener)) { |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 268 | return; |
| 269 | } |
| 270 | } |
| 271 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 272 | RankedListener rl = new SysuiStatusBarStateController.RankedListener(listener, rank); |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 273 | mListeners.add(rl); |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 274 | mListeners.sort(sComparator); |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 275 | } |
| 276 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 277 | |
| 278 | @Override |
Jason Monk | af08c15 | 2018-12-04 11:12:39 -0500 | [diff] [blame] | 279 | public void removeCallback(StateListener listener) { |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 280 | synchronized (mListeners) { |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 281 | mListeners.removeIf((it) -> it.mListener.equals(listener)); |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 282 | } |
| 283 | } |
| 284 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 285 | @Override |
Jason Monk | 297c04e | 2018-08-23 17:16:59 -0400 | [diff] [blame] | 286 | public void setKeyguardRequested(boolean keyguardRequested) { |
| 287 | mKeyguardRequested = keyguardRequested; |
| 288 | } |
| 289 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 290 | @Override |
Jason Monk | 297c04e | 2018-08-23 17:16:59 -0400 | [diff] [blame] | 291 | public boolean isKeyguardRequested() { |
| 292 | return mKeyguardRequested; |
| 293 | } |
| 294 | |
Beverly | 8fdb533 | 2019-02-04 14:29:49 -0500 | [diff] [blame] | 295 | /** |
| 296 | * Returns String readable state of status bar from {@link StatusBarState} |
| 297 | */ |
Evan Laird | 91d0f10 | 2018-09-18 17:39:55 -0400 | [diff] [blame] | 298 | public static String describe(int state) { |
| 299 | return StatusBarState.toShortString(state); |
| 300 | } |
Evan Laird | 2ce144e | 2019-03-04 18:45:34 -0500 | [diff] [blame] | 301 | |
| 302 | @Override |
| 303 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 304 | pw.println("StatusBarStateController: "); |
| 305 | pw.println(" mState=" + mState + " (" + describe(mState) + ")"); |
| 306 | pw.println(" mLastState=" + mLastState + " (" + describe(mLastState) + ")"); |
| 307 | pw.println(" mLeaveOpenOnKeyguardHide=" + mLeaveOpenOnKeyguardHide); |
| 308 | pw.println(" mKeyguardRequested=" + mKeyguardRequested); |
| 309 | pw.println(" mIsDozing=" + mIsDozing); |
| 310 | pw.println(" Historical states:"); |
| 311 | // Ignore records without a timestamp |
| 312 | int size = 0; |
| 313 | for (int i = 0; i < HISTORY_SIZE; i++) { |
| 314 | if (mHistoricalRecords[i].mTimestamp != 0) size++; |
| 315 | } |
| 316 | for (int i = mHistoryIndex + HISTORY_SIZE; |
| 317 | i >= mHistoryIndex + HISTORY_SIZE - size + 1; i--) { |
| 318 | pw.println(" (" + (mHistoryIndex + HISTORY_SIZE - i + 1) + ")" |
| 319 | + mHistoricalRecords[i & (HISTORY_SIZE - 1)]); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | private void recordHistoricalState(int currentState, int lastState) { |
| 324 | mHistoryIndex = (mHistoryIndex + 1) % HISTORY_SIZE; |
| 325 | HistoricalState state = mHistoricalRecords[mHistoryIndex]; |
| 326 | state.mState = currentState; |
| 327 | state.mLastState = lastState; |
| 328 | state.mTimestamp = System.currentTimeMillis(); |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * For keeping track of our previous state to help with debugging |
| 333 | */ |
| 334 | private static class HistoricalState { |
| 335 | int mState; |
| 336 | int mLastState; |
| 337 | long mTimestamp; |
| 338 | |
| 339 | @Override |
| 340 | public String toString() { |
| 341 | if (mTimestamp != 0) { |
| 342 | StringBuilder sb = new StringBuilder(); |
| 343 | sb.append("state=").append(mState) |
| 344 | .append(" (").append(describe(mState)).append(")"); |
| 345 | sb.append("lastState=").append(mLastState).append(" (").append(describe(mLastState)) |
| 346 | .append(")"); |
| 347 | sb.append("timestamp=") |
| 348 | .append(DateFormat.format("MM-dd HH:mm:ss", mTimestamp)); |
| 349 | |
| 350 | return sb.toString(); |
| 351 | } |
| 352 | return "Empty " + getClass().getSimpleName(); |
| 353 | } |
| 354 | } |
Jason Monk | 1fd3fc3 | 2018-08-14 17:20:09 -0400 | [diff] [blame] | 355 | } |