1 /* 2 * Copyright (C) 2024 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.settings.fuelgauge; 18 19 import static com.android.settings.fuelgauge.BatteryBroadcastReceiver.BatteryUpdateType.BATTERY_NOT_PRESENT; 20 21 import android.content.Context; 22 import android.content.Intent; 23 24 import androidx.annotation.NonNull; 25 import androidx.annotation.Nullable; 26 import androidx.annotation.VisibleForTesting; 27 import androidx.lifecycle.Lifecycle; 28 import androidx.lifecycle.LifecycleEventObserver; 29 import androidx.lifecycle.LifecycleOwner; 30 import androidx.preference.PreferenceScreen; 31 32 import com.android.settings.core.BasePreferenceController; 33 import com.android.settings.core.PreferenceControllerMixin; 34 import com.android.settingslib.Utils; 35 import com.android.settingslib.widget.UsageProgressBarPreference; 36 37 // LINT.IfChange 38 /** Controller that update the battery header view */ 39 public class BatteryHeaderPreferenceController extends BasePreferenceController 40 implements PreferenceControllerMixin, LifecycleEventObserver { 41 private static final String TAG = "BatteryHeaderPreferenceController"; 42 private static final int BATTERY_MAX_LEVEL = 100; 43 44 @Nullable @VisibleForTesting BatteryBroadcastReceiver mBatteryBroadcastReceiver; 45 @Nullable @VisibleForTesting UsageProgressBarPreference mBatteryUsageProgressBarPreference; 46 BatteryHeaderPreferenceController(Context context, String key)47 public BatteryHeaderPreferenceController(Context context, String key) { 48 super(context, key); 49 } 50 51 @Override onStateChanged(@onNull LifecycleOwner lifecycleOwner, @NonNull Lifecycle.Event event)52 public void onStateChanged(@NonNull LifecycleOwner lifecycleOwner, 53 @NonNull Lifecycle.Event event) { 54 switch (event) { 55 case ON_CREATE: 56 mBatteryBroadcastReceiver = new BatteryBroadcastReceiver(mContext); 57 mBatteryBroadcastReceiver.setBatteryChangedListener( 58 type -> { 59 if (type != BATTERY_NOT_PRESENT) { 60 quickUpdateHeaderPreference(); 61 } 62 }); 63 break; 64 case ON_START: 65 if (mBatteryBroadcastReceiver != null) { 66 mBatteryBroadcastReceiver.register(); 67 } 68 break; 69 case ON_STOP: 70 if (mBatteryBroadcastReceiver != null) { 71 mBatteryBroadcastReceiver.unRegister(); 72 } 73 break; 74 default: 75 break; 76 } 77 } 78 79 @Override displayPreference(PreferenceScreen screen)80 public void displayPreference(PreferenceScreen screen) { 81 super.displayPreference(screen); 82 mBatteryUsageProgressBarPreference = screen.findPreference(getPreferenceKey()); 83 // Hide the bottom summary from the progress bar. 84 mBatteryUsageProgressBarPreference.setBottomSummary(""); 85 86 if (com.android.settings.Utils.isBatteryPresent(mContext)) { 87 quickUpdateHeaderPreference(); 88 } else { 89 mBatteryUsageProgressBarPreference.setVisible(false); 90 } 91 } 92 93 @Override getAvailabilityStatus()94 public int getAvailabilityStatus() { 95 return AVAILABLE_UNSEARCHABLE; 96 } 97 98 /** Updates {@link UsageProgressBarPreference} information. */ quickUpdateHeaderPreference()99 public void quickUpdateHeaderPreference() { 100 if (mBatteryUsageProgressBarPreference == null) { 101 return; 102 } 103 104 Intent batteryBroadcast = 105 com.android.settingslib.fuelgauge.BatteryUtils.getBatteryIntent(mContext); 106 final int batteryLevel = Utils.getBatteryLevel(batteryBroadcast); 107 108 mBatteryUsageProgressBarPreference.setUsageSummary( 109 formatBatteryPercentageText(batteryLevel)); 110 mBatteryUsageProgressBarPreference.setPercent(batteryLevel, BATTERY_MAX_LEVEL); 111 } 112 formatBatteryPercentageText(int batteryLevel)113 private CharSequence formatBatteryPercentageText(int batteryLevel) { 114 return com.android.settings.Utils.formatPercentage(batteryLevel); 115 } 116 } 117 // LINT.ThenChange(BatteryHeaderPreference.kt) 118