Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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 | |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 17 | package com.android.server.display; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 18 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 19 | import android.content.Context; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 20 | import android.os.Handler; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 21 | import android.os.Looper; |
| 22 | import android.os.PowerManager; |
Michael Wright | c3e6af8 | 2017-07-25 22:31:03 +0100 | [diff] [blame] | 23 | import android.os.Trace; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 24 | import android.util.FloatProperty; |
| 25 | import android.util.IntProperty; |
| 26 | import android.util.Slog; |
| 27 | import android.view.Choreographer; |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 28 | import android.view.Display; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 29 | |
| 30 | import java.io.PrintWriter; |
| 31 | |
| 32 | /** |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 33 | * Controls the display power state. |
| 34 | * <p> |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 35 | * This component is similar in nature to a {@link android.view.View} except that it |
| 36 | * describes the properties of a display. When properties are changed, the component |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 37 | * invalidates itself and posts a callback to apply the changes in a consistent order. |
| 38 | * This mechanism enables multiple properties of the display power state to be animated |
| 39 | * together smoothly by the animation framework. Some of the work to blank or unblank |
| 40 | * the display is done on a separate thread to avoid blocking the looper. |
| 41 | * </p><p> |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 42 | * This component must only be created or accessed by the {@link Looper} thread |
| 43 | * that belongs to the {@link DisplayPowerController}. |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 44 | * </p><p> |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 45 | * We don't need to worry about holding a suspend blocker here because the |
Jeff Brown | ad9ef19 | 2014-04-08 17:26:30 -0700 | [diff] [blame] | 46 | * power manager does that for us whenever there is a change in progress. |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 47 | * </p> |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 48 | */ |
| 49 | final class DisplayPowerState { |
| 50 | private static final String TAG = "DisplayPowerState"; |
| 51 | |
| 52 | private static boolean DEBUG = false; |
Michael Wright | c3e6af8 | 2017-07-25 22:31:03 +0100 | [diff] [blame] | 53 | private static String COUNTER_COLOR_FADE = "ColorFadeLevel"; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 54 | |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 55 | private final Handler mHandler; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 56 | private final Choreographer mChoreographer; |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 57 | private final DisplayBlanker mBlanker; |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 58 | private final ColorFade mColorFade; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 59 | private final PhotonicModulator mPhotonicModulator; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 60 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 61 | private int mScreenState; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 62 | private int mScreenBrightness; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 63 | private boolean mScreenReady; |
| 64 | private boolean mScreenUpdatePending; |
| 65 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 66 | private boolean mColorFadePrepared; |
| 67 | private float mColorFadeLevel; |
| 68 | private boolean mColorFadeReady; |
| 69 | private boolean mColorFadeDrawPending; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 70 | |
| 71 | private Runnable mCleanListener; |
| 72 | |
Jeff Brown | 5d6443b | 2015-04-10 20:15:01 -0700 | [diff] [blame] | 73 | public DisplayPowerState(DisplayBlanker blanker, ColorFade colorFade) { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 74 | mHandler = new Handler(true /*async*/); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 75 | mChoreographer = Choreographer.getInstance(); |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 76 | mBlanker = blanker; |
Jeff Brown | 5d6443b | 2015-04-10 20:15:01 -0700 | [diff] [blame] | 77 | mColorFade = colorFade; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 78 | mPhotonicModulator = new PhotonicModulator(); |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 79 | mPhotonicModulator.start(); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 80 | |
Jeff Brown | f75724b | 2012-08-25 13:34:32 -0700 | [diff] [blame] | 81 | // At boot time, we know that the screen is on and the electron beam |
| 82 | // animation is not playing. We don't know the screen's brightness though, |
| 83 | // so prepare to set it to a known state when the state is next applied. |
| 84 | // Although we set the brightness to full on here, the display power controller |
| 85 | // will reset the brightness to a new level immediately before the changes |
| 86 | // actually have a chance to be applied. |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 87 | mScreenState = Display.STATE_ON; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 88 | mScreenBrightness = PowerManager.BRIGHTNESS_ON; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 89 | scheduleScreenUpdate(); |
| 90 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 91 | mColorFadePrepared = false; |
| 92 | mColorFadeLevel = 1.0f; |
| 93 | mColorFadeReady = true; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 94 | } |
| 95 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 96 | public static final FloatProperty<DisplayPowerState> COLOR_FADE_LEVEL = |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 97 | new FloatProperty<DisplayPowerState>("electronBeamLevel") { |
| 98 | @Override |
| 99 | public void setValue(DisplayPowerState object, float value) { |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 100 | object.setColorFadeLevel(value); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public Float get(DisplayPowerState object) { |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 105 | return object.getColorFadeLevel(); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 106 | } |
| 107 | }; |
| 108 | |
| 109 | public static final IntProperty<DisplayPowerState> SCREEN_BRIGHTNESS = |
| 110 | new IntProperty<DisplayPowerState>("screenBrightness") { |
| 111 | @Override |
| 112 | public void setValue(DisplayPowerState object, int value) { |
| 113 | object.setScreenBrightness(value); |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public Integer get(DisplayPowerState object) { |
| 118 | return object.getScreenBrightness(); |
| 119 | } |
| 120 | }; |
| 121 | |
| 122 | /** |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 123 | * Sets whether the screen is on, off, or dozing. |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 124 | */ |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 125 | public void setScreenState(int state) { |
| 126 | if (mScreenState != state) { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 127 | if (DEBUG) { |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 128 | Slog.d(TAG, "setScreenState: state=" + state); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 129 | } |
| 130 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 131 | mScreenState = state; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 132 | mScreenReady = false; |
| 133 | scheduleScreenUpdate(); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 134 | } |
| 135 | } |
| 136 | |
| 137 | /** |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 138 | * Gets the desired screen state. |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 139 | */ |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 140 | public int getScreenState() { |
| 141 | return mScreenState; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | /** |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 145 | * Sets the display brightness. |
| 146 | * |
| 147 | * @param brightness The brightness, ranges from 0 (minimum / off) to 255 (brightest). |
| 148 | */ |
| 149 | public void setScreenBrightness(int brightness) { |
| 150 | if (mScreenBrightness != brightness) { |
| 151 | if (DEBUG) { |
| 152 | Slog.d(TAG, "setScreenBrightness: brightness=" + brightness); |
| 153 | } |
| 154 | |
| 155 | mScreenBrightness = brightness; |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 156 | if (mScreenState != Display.STATE_OFF) { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 157 | mScreenReady = false; |
| 158 | scheduleScreenUpdate(); |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Gets the screen brightness. |
| 165 | */ |
| 166 | public int getScreenBrightness() { |
| 167 | return mScreenBrightness; |
| 168 | } |
| 169 | |
| 170 | /** |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 171 | * Prepares the electron beam to turn on or off. |
| 172 | * This method should be called before starting an animation because it |
| 173 | * can take a fair amount of time to prepare the electron beam surface. |
| 174 | * |
Jeff Brown | 8b9cf1c | 2012-10-07 14:54:17 -0700 | [diff] [blame] | 175 | * @param mode The electron beam animation mode to prepare. |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 176 | * @return True if the electron beam was prepared. |
| 177 | */ |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 178 | public boolean prepareColorFade(Context context, int mode) { |
Narayan Kamath | 3881998 | 2017-07-06 18:15:30 +0100 | [diff] [blame] | 179 | if (mColorFade == null || !mColorFade.prepare(context, mode)) { |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 180 | mColorFadePrepared = false; |
| 181 | mColorFadeReady = true; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 182 | return false; |
| 183 | } |
| 184 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 185 | mColorFadePrepared = true; |
| 186 | mColorFadeReady = false; |
| 187 | scheduleColorFadeDraw(); |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 188 | return true; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | /** |
Michael Lentine | d73854d | 2015-09-25 10:55:26 -0700 | [diff] [blame] | 192 | * Dismisses the color fade surface. |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 193 | */ |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 194 | public void dismissColorFade() { |
Michael Wright | c3e6af8 | 2017-07-25 22:31:03 +0100 | [diff] [blame] | 195 | Trace.traceCounter(Trace.TRACE_TAG_POWER, COUNTER_COLOR_FADE, 100); |
Narayan Kamath | 3881998 | 2017-07-06 18:15:30 +0100 | [diff] [blame] | 196 | if (mColorFade != null) mColorFade.dismiss(); |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 197 | mColorFadePrepared = false; |
| 198 | mColorFadeReady = true; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 199 | } |
| 200 | |
Michael Lentine | d73854d | 2015-09-25 10:55:26 -0700 | [diff] [blame] | 201 | /** |
| 202 | * Dismisses the color fade resources. |
| 203 | */ |
| 204 | public void dismissColorFadeResources() { |
Narayan Kamath | 3881998 | 2017-07-06 18:15:30 +0100 | [diff] [blame] | 205 | if (mColorFade != null) mColorFade.dismissResources(); |
Michael Lentine | d73854d | 2015-09-25 10:55:26 -0700 | [diff] [blame] | 206 | } |
| 207 | |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 208 | /** |
| 209 | * Sets the level of the electron beam steering current. |
| 210 | * |
| 211 | * The display is blanked when the level is 0.0. In normal use, the electron |
| 212 | * beam should have a value of 1.0. The electron beam is unstable in between |
| 213 | * these states and the picture quality may be compromised. For best effect, |
| 214 | * the electron beam should be warmed up or cooled off slowly. |
| 215 | * |
| 216 | * Warning: Electron beam emits harmful radiation. Avoid direct exposure to |
| 217 | * skin or eyes. |
| 218 | * |
| 219 | * @param level The level, ranges from 0.0 (full off) to 1.0 (full on). |
| 220 | */ |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 221 | public void setColorFadeLevel(float level) { |
| 222 | if (mColorFadeLevel != level) { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 223 | if (DEBUG) { |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 224 | Slog.d(TAG, "setColorFadeLevel: level=" + level); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 225 | } |
| 226 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 227 | mColorFadeLevel = level; |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 228 | if (mScreenState != Display.STATE_OFF) { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 229 | mScreenReady = false; |
| 230 | scheduleScreenUpdate(); // update backlight brightness |
| 231 | } |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 232 | if (mColorFadePrepared) { |
| 233 | mColorFadeReady = false; |
| 234 | scheduleColorFadeDraw(); |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 235 | } |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 236 | } |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Gets the level of the electron beam steering current. |
| 241 | */ |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 242 | public float getColorFadeLevel() { |
| 243 | return mColorFadeLevel; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | /** |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 247 | * Returns true if no properties have been invalidated. |
| 248 | * Otherwise, returns false and promises to invoke the specified listener |
| 249 | * when the properties have all been applied. |
| 250 | * The listener always overrides any previously set listener. |
| 251 | */ |
| 252 | public boolean waitUntilClean(Runnable listener) { |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 253 | if (!mScreenReady || !mColorFadeReady) { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 254 | mCleanListener = listener; |
| 255 | return false; |
| 256 | } else { |
| 257 | mCleanListener = null; |
| 258 | return true; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | public void dump(PrintWriter pw) { |
| 263 | pw.println(); |
| 264 | pw.println("Display Power State:"); |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 265 | pw.println(" mScreenState=" + Display.stateToString(mScreenState)); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 266 | pw.println(" mScreenBrightness=" + mScreenBrightness); |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 267 | pw.println(" mScreenReady=" + mScreenReady); |
| 268 | pw.println(" mScreenUpdatePending=" + mScreenUpdatePending); |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 269 | pw.println(" mColorFadePrepared=" + mColorFadePrepared); |
| 270 | pw.println(" mColorFadeLevel=" + mColorFadeLevel); |
| 271 | pw.println(" mColorFadeReady=" + mColorFadeReady); |
| 272 | pw.println(" mColorFadeDrawPending=" + mColorFadeDrawPending); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 273 | |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 274 | mPhotonicModulator.dump(pw); |
Narayan Kamath | 3881998 | 2017-07-06 18:15:30 +0100 | [diff] [blame] | 275 | if (mColorFade != null) mColorFade.dump(pw); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 276 | } |
| 277 | |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 278 | private void scheduleScreenUpdate() { |
| 279 | if (!mScreenUpdatePending) { |
| 280 | mScreenUpdatePending = true; |
| 281 | postScreenUpdateThreadSafe(); |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | private void postScreenUpdateThreadSafe() { |
| 286 | mHandler.removeCallbacks(mScreenUpdateRunnable); |
| 287 | mHandler.post(mScreenUpdateRunnable); |
| 288 | } |
| 289 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 290 | private void scheduleColorFadeDraw() { |
| 291 | if (!mColorFadeDrawPending) { |
| 292 | mColorFadeDrawPending = true; |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 293 | mChoreographer.postCallback(Choreographer.CALLBACK_TRAVERSAL, |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 294 | mColorFadeDrawRunnable, null); |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 298 | private void invokeCleanListenerIfNeeded() { |
| 299 | final Runnable listener = mCleanListener; |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 300 | if (listener != null && mScreenReady && mColorFadeReady) { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 301 | mCleanListener = null; |
| 302 | listener.run(); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | private final Runnable mScreenUpdateRunnable = new Runnable() { |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 307 | @Override |
| 308 | public void run() { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 309 | mScreenUpdatePending = false; |
| 310 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 311 | int brightness = mScreenState != Display.STATE_OFF |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 312 | && mColorFadeLevel > 0f ? mScreenBrightness : 0; |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 313 | if (mPhotonicModulator.setState(mScreenState, brightness)) { |
Jeff Brown | 2d8a390 | 2014-03-11 23:02:35 -0700 | [diff] [blame] | 314 | if (DEBUG) { |
| 315 | Slog.d(TAG, "Screen ready"); |
| 316 | } |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 317 | mScreenReady = true; |
| 318 | invokeCleanListenerIfNeeded(); |
Jeff Brown | 2d8a390 | 2014-03-11 23:02:35 -0700 | [diff] [blame] | 319 | } else { |
| 320 | if (DEBUG) { |
| 321 | Slog.d(TAG, "Screen not ready"); |
| 322 | } |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 323 | } |
| 324 | } |
| 325 | }; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 326 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 327 | private final Runnable mColorFadeDrawRunnable = new Runnable() { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 328 | @Override |
| 329 | public void run() { |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 330 | mColorFadeDrawPending = false; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 331 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 332 | if (mColorFadePrepared) { |
| 333 | mColorFade.draw(mColorFadeLevel); |
Michael Wright | c3e6af8 | 2017-07-25 22:31:03 +0100 | [diff] [blame] | 334 | Trace.traceCounter(Trace.TRACE_TAG_POWER, |
Michael Wright | 63a4006 | 2017-07-26 01:10:59 +0100 | [diff] [blame] | 335 | COUNTER_COLOR_FADE, Math.round(mColorFadeLevel * 100)); |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 336 | } |
| 337 | |
Michael Lentine | 0839adb | 2014-07-29 18:47:56 -0700 | [diff] [blame] | 338 | mColorFadeReady = true; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 339 | invokeCleanListenerIfNeeded(); |
| 340 | } |
| 341 | }; |
| 342 | |
| 343 | /** |
| 344 | * Updates the state of the screen and backlight asynchronously on a separate thread. |
| 345 | */ |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 346 | private final class PhotonicModulator extends Thread { |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 347 | private static final int INITIAL_SCREEN_STATE = Display.STATE_OFF; // unknown, assume off |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 348 | private static final int INITIAL_BACKLIGHT = -1; // unknown |
| 349 | |
| 350 | private final Object mLock = new Object(); |
| 351 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 352 | private int mPendingState = INITIAL_SCREEN_STATE; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 353 | private int mPendingBacklight = INITIAL_BACKLIGHT; |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 354 | private int mActualState = INITIAL_SCREEN_STATE; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 355 | private int mActualBacklight = INITIAL_BACKLIGHT; |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 356 | private boolean mStateChangeInProgress; |
| 357 | private boolean mBacklightChangeInProgress; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 358 | |
Jeff Brown | faec22c8 | 2015-04-10 12:58:52 -0700 | [diff] [blame] | 359 | public PhotonicModulator() { |
| 360 | super("PhotonicModulator"); |
| 361 | } |
| 362 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 363 | public boolean setState(int state, int backlight) { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 364 | synchronized (mLock) { |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 365 | boolean stateChanged = state != mPendingState; |
| 366 | boolean backlightChanged = backlight != mPendingBacklight; |
| 367 | if (stateChanged || backlightChanged) { |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 368 | if (DEBUG) { |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 369 | Slog.d(TAG, "Requesting new screen state: state=" |
| 370 | + Display.stateToString(state) + ", backlight=" + backlight); |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 371 | } |
| 372 | |
Jeff Brown | 037c33e | 2014-04-09 00:31:55 -0700 | [diff] [blame] | 373 | mPendingState = state; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 374 | mPendingBacklight = backlight; |
| 375 | |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 376 | boolean changeInProgress = mStateChangeInProgress || mBacklightChangeInProgress; |
Michael Wright | 640666f | 2017-06-06 22:01:20 +0100 | [diff] [blame] | 377 | mStateChangeInProgress = stateChanged || mStateChangeInProgress; |
| 378 | mBacklightChangeInProgress = backlightChanged || mBacklightChangeInProgress; |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 379 | |
| 380 | if (!changeInProgress) { |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 381 | mLock.notifyAll(); |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 382 | } |
| 383 | } |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 384 | return !mStateChangeInProgress; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 385 | } |
| 386 | } |
| 387 | |
| 388 | public void dump(PrintWriter pw) { |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 389 | synchronized (mLock) { |
| 390 | pw.println(); |
| 391 | pw.println("Photonic Modulator State:"); |
| 392 | pw.println(" mPendingState=" + Display.stateToString(mPendingState)); |
| 393 | pw.println(" mPendingBacklight=" + mPendingBacklight); |
| 394 | pw.println(" mActualState=" + Display.stateToString(mActualState)); |
| 395 | pw.println(" mActualBacklight=" + mActualBacklight); |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 396 | pw.println(" mStateChangeInProgress=" + mStateChangeInProgress); |
| 397 | pw.println(" mBacklightChangeInProgress=" + mBacklightChangeInProgress); |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 398 | } |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 399 | } |
| 400 | |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 401 | @Override |
| 402 | public void run() { |
| 403 | for (;;) { |
| 404 | // Get pending change. |
| 405 | final int state; |
| 406 | final boolean stateChanged; |
| 407 | final int backlight; |
| 408 | final boolean backlightChanged; |
| 409 | synchronized (mLock) { |
| 410 | state = mPendingState; |
| 411 | stateChanged = (state != mActualState); |
| 412 | backlight = mPendingBacklight; |
| 413 | backlightChanged = (backlight != mActualBacklight); |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 414 | if (!stateChanged) { |
| 415 | // State changed applied, notify outer class. |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 416 | postScreenUpdateThreadSafe(); |
Jorim Jaggi | 6e90ea0 | 2015-08-24 13:54:19 -0700 | [diff] [blame] | 417 | mStateChangeInProgress = false; |
| 418 | } |
| 419 | if (!backlightChanged) { |
| 420 | mBacklightChangeInProgress = false; |
| 421 | } |
| 422 | if (!stateChanged && !backlightChanged) { |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 423 | try { |
| 424 | mLock.wait(); |
| 425 | } catch (InterruptedException ex) { } |
| 426 | continue; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 427 | } |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 428 | mActualState = state; |
| 429 | mActualBacklight = backlight; |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 430 | } |
| 431 | |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 432 | // Apply pending change. |
| 433 | if (DEBUG) { |
| 434 | Slog.d(TAG, "Updating screen state: state=" |
| 435 | + Display.stateToString(state) + ", backlight=" + backlight); |
| 436 | } |
Jeff Brown | 5d6443b | 2015-04-10 20:15:01 -0700 | [diff] [blame] | 437 | mBlanker.requestDisplayState(state, backlight); |
Jeff Brown | 0a43477 | 2014-09-30 14:42:27 -0700 | [diff] [blame] | 438 | } |
| 439 | } |
Jeff Brown | 32dafe2 | 2012-10-19 17:04:30 -0700 | [diff] [blame] | 440 | } |
Jeff Brown | 9630704 | 2012-07-27 15:51:34 -0700 | [diff] [blame] | 441 | } |