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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.systemui.doze;
import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.os.UserHandle;
import android.provider.Settings;
import android.text.format.DateUtils;
import android.util.KeyValueListParser;
import android.util.Log;
import com.android.systemui.R;
/**
* Class to store the policy for AOD, which comes from
* {@link android.provider.Settings.Global}
*/
public class AlwaysOnDisplayPolicy {
public static final String TAG = "AlwaysOnDisplayPolicy";
private static final long DEFAULT_PROX_SCREEN_OFF_DELAY_MS = 10 * DateUtils.SECOND_IN_MILLIS;
private static final long DEFAULT_PROX_COOLDOWN_TRIGGER_MS = 2 * DateUtils.SECOND_IN_MILLIS;
private static final long DEFAULT_PROX_COOLDOWN_PERIOD_MS = 5 * DateUtils.SECOND_IN_MILLIS;
private static final long DEFAULT_WALLPAPER_VISIBILITY_MS = 60 * DateUtils.SECOND_IN_MILLIS;
private static final long DEFAULT_WALLPAPER_FADE_OUT_MS = 400;
static final String KEY_SCREEN_BRIGHTNESS_ARRAY = "screen_brightness_array";
static final String KEY_DIMMING_SCRIM_ARRAY = "dimming_scrim_array";
static final String KEY_PROX_SCREEN_OFF_DELAY_MS = "prox_screen_off_delay";
static final String KEY_PROX_COOLDOWN_TRIGGER_MS = "prox_cooldown_trigger";
static final String KEY_PROX_COOLDOWN_PERIOD_MS = "prox_cooldown_period";
static final String KEY_WALLPAPER_VISIBILITY_MS = "wallpaper_visibility_timeout";
static final String KEY_WALLPAPER_FADE_OUT_MS = "wallpaper_fade_out_duration";
/**
* Integer used to dim the screen while dozing.
*
* @see R.integer.config_screenBrightnessDoze
*/
public int defaultDozeBrightness;
/**
* Integer used to dim the screen just before the screen turns off.
*
* @see R.integer.config_screenBrightnessDim
*/
public int dimBrightness;
/**
* Integer array to map ambient brightness type to real screen brightness.
*
* @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS
* @see #KEY_SCREEN_BRIGHTNESS_ARRAY
*/
public int[] screenBrightnessArray;
/**
* Integer array to map ambient brightness type to dimming scrim.
*
* @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS
* @see #KEY_DIMMING_SCRIM_ARRAY
*/
public int[] dimmingScrimArray;
/**
* Delay time(ms) from covering the prox to turning off the screen.
*
* @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS
* @see #KEY_PROX_SCREEN_OFF_DELAY_MS
*/
public long proxScreenOffDelayMs;
/**
* The threshold time(ms) to trigger the cooldown timer, which will
* turn off prox sensor for a period.
*
* @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS
* @see #KEY_PROX_COOLDOWN_TRIGGER_MS
*/
public long proxCooldownTriggerMs;
/**
* The period(ms) to turning off the prox sensor if
* {@link #KEY_PROX_COOLDOWN_TRIGGER_MS} is triggered.
*
* @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS
* @see #KEY_PROX_COOLDOWN_PERIOD_MS
*/
public long proxCooldownPeriodMs;
/**
* For how long(ms) the wallpaper should still be visible
* after entering AoD.
*
* @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS
* @see #KEY_WALLPAPER_VISIBILITY_MS
*/
public long wallpaperVisibilityDuration;
/**
* Duration(ms) of the fade out animation after
* {@link #KEY_WALLPAPER_VISIBILITY_MS} elapses.
*
* @see Settings.Global#ALWAYS_ON_DISPLAY_CONSTANTS
* @see #KEY_WALLPAPER_FADE_OUT_MS
*/
public long wallpaperFadeOutDuration;
private final KeyValueListParser mParser;
private final Context mContext;
private SettingsObserver mSettingsObserver;
public AlwaysOnDisplayPolicy(Context context) {
context = context.getApplicationContext();
mContext = context;
mParser = new KeyValueListParser(',');
mSettingsObserver = new SettingsObserver(context.getMainThreadHandler());
mSettingsObserver.observe();
}
private final class SettingsObserver extends ContentObserver {
private final Uri ALWAYS_ON_DISPLAY_CONSTANTS_URI
= Settings.Global.getUriFor(Settings.Global.ALWAYS_ON_DISPLAY_CONSTANTS);
SettingsObserver(Handler handler) {
super(handler);
}
void observe() {
ContentResolver resolver = mContext.getContentResolver();
resolver.registerContentObserver(ALWAYS_ON_DISPLAY_CONSTANTS_URI,
false, this, UserHandle.USER_ALL);
update(null);
}
@Override
public void onChange(boolean selfChange, Uri uri) {
update(uri);
}
public void update(Uri uri) {
if (uri == null || ALWAYS_ON_DISPLAY_CONSTANTS_URI.equals(uri)) {
final Resources resources = mContext.getResources();
final String value = Settings.Global.getString(mContext.getContentResolver(),
Settings.Global.ALWAYS_ON_DISPLAY_CONSTANTS);
try {
mParser.setString(value);
} catch (IllegalArgumentException e) {
Log.e(TAG, "Bad AOD constants");
}
proxScreenOffDelayMs = mParser.getLong(KEY_PROX_SCREEN_OFF_DELAY_MS,
DEFAULT_PROX_SCREEN_OFF_DELAY_MS);
proxCooldownTriggerMs = mParser.getLong(KEY_PROX_COOLDOWN_TRIGGER_MS,
DEFAULT_PROX_COOLDOWN_TRIGGER_MS);
proxCooldownPeriodMs = mParser.getLong(KEY_PROX_COOLDOWN_PERIOD_MS,
DEFAULT_PROX_COOLDOWN_PERIOD_MS);
wallpaperFadeOutDuration = mParser.getLong(KEY_WALLPAPER_FADE_OUT_MS,
DEFAULT_WALLPAPER_FADE_OUT_MS);
wallpaperVisibilityDuration = mParser.getLong(KEY_WALLPAPER_VISIBILITY_MS,
DEFAULT_WALLPAPER_VISIBILITY_MS);
defaultDozeBrightness = resources.getInteger(
com.android.internal.R.integer.config_screenBrightnessDoze);
dimBrightness = resources.getInteger(
com.android.internal.R.integer.config_screenBrightnessDim);
screenBrightnessArray = mParser.getIntArray(KEY_SCREEN_BRIGHTNESS_ARRAY,
resources.getIntArray(
R.array.config_doze_brightness_sensor_to_brightness));
dimmingScrimArray = mParser.getIntArray(KEY_DIMMING_SCRIM_ARRAY,
resources.getIntArray(
R.array.config_doze_brightness_sensor_to_scrim_opacity));
}
}
}
}
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