| /* |
| * Copyright (C) 2018 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.settings.fuelgauge.batterysaver; |
| |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.os.PowerManager; |
| import android.provider.Settings; |
| import android.provider.Settings.Global; |
| |
| import androidx.preference.Preference; |
| import androidx.preference.Preference.OnPreferenceChangeListener; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settings.R; |
| import com.android.settings.Utils; |
| import com.android.settings.widget.SeekBarPreference; |
| |
| /** |
| * Responds to user actions in the Settings > Battery > Set a Schedule Screen for the seekbar. |
| * Note that this seekbar is only visible when the radio button selected is "Percentage". |
| * |
| * Note that this is not a preference controller since that screen does not inherit from |
| * DashboardFragment. |
| * |
| * Will call the appropriate power manager APIs and modify the correct settings to enable |
| * users to control their automatic battery saver toggling preferences. |
| * See {@link Settings.Global#AUTOMATIC_POWER_SAVE_MODE} for more details. |
| */ |
| public class BatterySaverScheduleSeekBarController implements |
| OnPreferenceChangeListener { |
| |
| public static final int MAX_SEEKBAR_VALUE = 15; |
| public static final int MIN_SEEKBAR_VALUE = 1; |
| public static final String KEY_BATTERY_SAVER_SEEK_BAR = "battery_saver_seek_bar"; |
| |
| @VisibleForTesting |
| public SeekBarPreference mSeekBarPreference; |
| private Context mContext; |
| |
| public BatterySaverScheduleSeekBarController(Context context) { |
| mContext = context; |
| mSeekBarPreference = new SeekBarPreference(context); |
| mSeekBarPreference.setOnPreferenceChangeListener(this); |
| mSeekBarPreference.setContinuousUpdates(true); |
| mSeekBarPreference.setMax(MAX_SEEKBAR_VALUE); |
| mSeekBarPreference.setMin(MIN_SEEKBAR_VALUE); |
| mSeekBarPreference.setKey(KEY_BATTERY_SAVER_SEEK_BAR); |
| updateSeekBar(); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| // The nits are in intervals of 5% |
| final int percentage = ((Integer) newValue) * 5; |
| Settings.Global.putInt(mContext.getContentResolver(), Global.LOW_POWER_MODE_TRIGGER_LEVEL, |
| percentage); |
| preference.setTitle(mContext.getString( |
| R.string.battery_saver_seekbar_title, Utils.formatPercentage(percentage))); |
| return true; |
| } |
| |
| public void updateSeekBar() { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| // Note: this can also be obtained via PowerManager.getPowerSaveModeTrigger() |
| final int mode = Settings.Global.getInt(resolver, Global.AUTOMATIC_POWER_SAVE_MODE, |
| PowerManager.POWER_SAVE_MODE_TRIGGER_PERCENTAGE); |
| // if mode is "dynamic" we are in routine mode, percentage with non-zero threshold is |
| // percentage mode, otherwise it is no schedule mode |
| if (mode == PowerManager.POWER_SAVE_MODE_TRIGGER_PERCENTAGE) { |
| final int threshold = |
| Settings.Global.getInt(resolver, Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0); |
| if (threshold <= 0) { |
| mSeekBarPreference.setVisible(false); |
| } else { |
| final int currentSeekbarValue = Math.max(threshold / 5, MIN_SEEKBAR_VALUE); |
| mSeekBarPreference.setVisible(true); |
| mSeekBarPreference.setProgress(currentSeekbarValue); |
| mSeekBarPreference.setTitle(mContext.getString( |
| R.string.battery_saver_seekbar_title, |
| Utils.formatPercentage(currentSeekbarValue * 5))); |
| } |
| } else { |
| mSeekBarPreference.setVisible(false); |
| } |
| } |
| |
| /** |
| * Adds the seekbar to the end of the provided preference screen |
| * |
| * @param screen The preference screen to add the seekbar to |
| */ |
| public void addToScreen(PreferenceScreen screen) { |
| // makes sure it gets added after the preferences if called due to first time battery |
| // saver message |
| mSeekBarPreference.setOrder(100); |
| screen.addPreference(mSeekBarPreference); |
| } |
| } |