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.doze; 18 19 import android.content.ContentResolver; 20 import android.content.Context; 21 import android.content.res.Resources; 22 import android.database.ContentObserver; 23 import android.net.Uri; 24 import android.os.Handler; 25 import android.os.UserHandle; 26 import android.provider.Settings; 27 import android.text.format.DateUtils; 28 import android.util.KeyValueListParser; 29 import android.util.Log; 30 31 import com.android.systemui.R; 32 33 /** 34 * Class to store the policy for AOD, which comes from 35 * {@link android.provider.Settings.Global} 36 */ 37 public class AlwaysOnDisplayPolicy { 38 public static final String TAG = "AlwaysOnDisplayPolicy"; 39 40 private static final long DEFAULT_PROX_SCREEN_OFF_DELAY_MS = 10 * DateUtils.SECOND_IN_MILLIS; 41 private static final long DEFAULT_PROX_COOLDOWN_TRIGGER_MS = 2 * DateUtils.SECOND_IN_MILLIS; 42 private static final long DEFAULT_PROX_COOLDOWN_PERIOD_MS = 5 * DateUtils.SECOND_IN_MILLIS; 43 private static final long DEFAULT_WALLPAPER_VISIBILITY_MS = 60 * DateUtils.SECOND_IN_MILLIS; 44 private static final long DEFAULT_WALLPAPER_FADE_OUT_MS = 400; 45 46 static final String KEY_SCREEN_BRIGHTNESS_ARRAY = "screen_brightness_array"; 47 static final String KEY_DIMMING_SCRIM_ARRAY = "dimming_scrim_array"; 48 static final String KEY_PROX_SCREEN_OFF_DELAY_MS = "prox_screen_off_delay"; 49 static final String KEY_PROX_COOLDOWN_TRIGGER_MS = "prox_cooldown_trigger"; 50 static final String KEY_PROX_COOLDOWN_PERIOD_MS = "prox_cooldown_period"; 51 static final String KEY_WALLPAPER_VISIBILITY_MS = "wallpaper_visibility_timeout"; 52 static final String KEY_WALLPAPER_FADE_OUT_MS = "wallpaper_fade_out_duration"; 53 54 /** 55 * Integer array to map ambient brightness type to real screen brightness. 56 * 57 * @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS 58 * @see #KEY_SCREEN_BRIGHTNESS_ARRAY 59 */ 60 public int[] screenBrightnessArray; 61 62 /** 63 * Integer array to map ambient brightness type to dimming scrim. 64 * 65 * @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS 66 * @see #KEY_DIMMING_SCRIM_ARRAY 67 */ 68 public int[] dimmingScrimArray; 69 70 /** 71 * Delay time(ms) from covering the prox to turning off the screen. 72 * 73 * @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS 74 * @see #KEY_PROX_SCREEN_OFF_DELAY_MS 75 */ 76 public long proxScreenOffDelayMs; 77 78 /** 79 * The threshold time(ms) to trigger the cooldown timer, which will 80 * turn off prox sensor for a period. 81 * 82 * @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS 83 * @see #KEY_PROX_COOLDOWN_TRIGGER_MS 84 */ 85 public long proxCooldownTriggerMs; 86 87 /** 88 * The period(ms) to turning off the prox sensor if 89 * {@link #KEY_PROX_COOLDOWN_TRIGGER_MS} is triggered. 90 * 91 * @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS 92 * @see #KEY_PROX_COOLDOWN_PERIOD_MS 93 */ 94 public long proxCooldownPeriodMs; 95 96 /** 97 * For how long(ms) the wallpaper should still be visible 98 * after entering AoD. 99 * 100 * @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS 101 * @see #KEY_WALLPAPER_VISIBILITY_MS 102 */ 103 public long wallpaperVisibilityDuration; 104 105 /** 106 * Duration(ms) of the fade out animation after 107 * {@link #KEY_WALLPAPER_VISIBILITY_MS} elapses. 108 * 109 * @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS 110 * @see #KEY_WALLPAPER_FADE_OUT_MS 111 */ 112 public long wallpaperFadeOutDuration; 113 114 private final KeyValueListParser mParser; 115 private final Context mContext; 116 private SettingsObserver mSettingsObserver; 117 AlwaysOnDisplayPolicy(Context context)118 public AlwaysOnDisplayPolicy(Context context) { 119 context = context.getApplicationContext(); 120 mContext = context; 121 mParser = new KeyValueListParser(','); 122 mSettingsObserver = new SettingsObserver(context.getMainThreadHandler()); 123 mSettingsObserver.observe(); 124 } 125 126 private final class SettingsObserver extends ContentObserver { 127 private final Uri ALWAYS_ON_DISPLAY_CONSTANTS_URI 128 = Settings.Global.getUriFor(Settings.Global.ALWAYS_ON_DISPLAY_CONSTANTS); 129 SettingsObserver(Handler handler)130 SettingsObserver(Handler handler) { 131 super(handler); 132 } 133 observe()134 void observe() { 135 ContentResolver resolver = mContext.getContentResolver(); 136 resolver.registerContentObserver(ALWAYS_ON_DISPLAY_CONSTANTS_URI, 137 false, this, UserHandle.USER_ALL); 138 update(null); 139 } 140 141 @Override onChange(boolean selfChange, Uri uri)142 public void onChange(boolean selfChange, Uri uri) { 143 update(uri); 144 } 145 update(Uri uri)146 public void update(Uri uri) { 147 if (uri == null || ALWAYS_ON_DISPLAY_CONSTANTS_URI.equals(uri)) { 148 final Resources resources = mContext.getResources(); 149 final String value = Settings.Global.getString(mContext.getContentResolver(), 150 Settings.Global.ALWAYS_ON_DISPLAY_CONSTANTS); 151 152 try { 153 mParser.setString(value); 154 } catch (IllegalArgumentException e) { 155 Log.e(TAG, "Bad AOD constants"); 156 } 157 158 proxScreenOffDelayMs = mParser.getLong(KEY_PROX_SCREEN_OFF_DELAY_MS, 159 DEFAULT_PROX_SCREEN_OFF_DELAY_MS); 160 proxCooldownTriggerMs = mParser.getLong(KEY_PROX_COOLDOWN_TRIGGER_MS, 161 DEFAULT_PROX_COOLDOWN_TRIGGER_MS); 162 proxCooldownPeriodMs = mParser.getLong(KEY_PROX_COOLDOWN_PERIOD_MS, 163 DEFAULT_PROX_COOLDOWN_PERIOD_MS); 164 wallpaperFadeOutDuration = mParser.getLong(KEY_WALLPAPER_FADE_OUT_MS, 165 DEFAULT_WALLPAPER_FADE_OUT_MS); 166 wallpaperVisibilityDuration = mParser.getLong(KEY_WALLPAPER_VISIBILITY_MS, 167 DEFAULT_WALLPAPER_VISIBILITY_MS); 168 screenBrightnessArray = mParser.getIntArray(KEY_SCREEN_BRIGHTNESS_ARRAY, 169 resources.getIntArray( 170 R.array.config_doze_brightness_sensor_to_brightness)); 171 dimmingScrimArray = mParser.getIntArray(KEY_DIMMING_SCRIM_ARRAY, 172 resources.getIntArray( 173 R.array.config_doze_brightness_sensor_to_scrim_opacity)); 174 } 175 } 176 } 177 } 178