1 /* 2 * Copyright (C) 2022 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.batteryusage; 18 19 import android.content.Context; 20 import android.graphics.drawable.Drawable; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.view.ViewGroup; 24 import android.widget.TextView; 25 26 import androidx.preference.PreferenceViewHolder; 27 28 import com.android.settings.R; 29 import com.android.settings.Utils; 30 import com.android.settingslib.widget.AppPreference; 31 32 /** 33 * Custom preference for displaying battery usage info as a bar and an icon on 34 * the left for the subsystem/app type. 35 * 36 * The battery usage info could be usage percentage or usage time. The preference 37 * won't show any icon if it is null. 38 */ 39 public class PowerGaugePreference extends AppPreference { 40 41 // Please see go/battery-usage-app-list-alpha 42 private static final float SELECTABLE_ALPHA = 1f; 43 private static final float UNSELECTABLE_ALPHA_LIGHT_MODE = 0.65f; 44 private static final float UNSELECTABLE_ALPHA_DARK_MODE = 0.5f; 45 46 private BatteryEntry mInfo; 47 private BatteryDiffEntry mBatteryDiffEntry; 48 private CharSequence mContentDescription; 49 private CharSequence mProgress; 50 private boolean mShowAnomalyIcon; 51 PowerGaugePreference(Context context, Drawable icon, CharSequence contentDescription, BatteryEntry info)52 public PowerGaugePreference(Context context, Drawable icon, CharSequence contentDescription, 53 BatteryEntry info) { 54 this(context, null, icon, contentDescription, info); 55 } 56 PowerGaugePreference(Context context)57 public PowerGaugePreference(Context context) { 58 this(context, null, null, null, null); 59 } 60 PowerGaugePreference(Context context, AttributeSet attrs)61 public PowerGaugePreference(Context context, AttributeSet attrs) { 62 this(context, attrs, null, null, null); 63 } 64 PowerGaugePreference(Context context, AttributeSet attrs, Drawable icon, CharSequence contentDescription, BatteryEntry info)65 private PowerGaugePreference(Context context, AttributeSet attrs, Drawable icon, 66 CharSequence contentDescription, BatteryEntry info) { 67 super(context, attrs); 68 if (icon != null) { 69 setIcon(icon); 70 } 71 setWidgetLayoutResource(R.layout.preference_widget_summary); 72 mInfo = info; 73 mContentDescription = contentDescription; 74 mShowAnomalyIcon = false; 75 } 76 77 /** Sets the content description. */ setContentDescription(String name)78 public void setContentDescription(String name) { 79 mContentDescription = name; 80 notifyChanged(); 81 } 82 83 /** Sets the percentage to show. */ setPercentage(CharSequence percentage)84 public void setPercentage(CharSequence percentage) { 85 mProgress = percentage; 86 notifyChanged(); 87 } 88 89 /** Gets the percentage to show. */ getPercentage()90 public String getPercentage() { 91 return mProgress.toString(); 92 } 93 94 /** Sets whether to show anomaly icon */ shouldShowAnomalyIcon(boolean showAnomalyIcon)95 public void shouldShowAnomalyIcon(boolean showAnomalyIcon) { 96 mShowAnomalyIcon = showAnomalyIcon; 97 notifyChanged(); 98 } 99 100 /** Gets whether to show anomaly icon */ showAnomalyIcon()101 public boolean showAnomalyIcon() { 102 return mShowAnomalyIcon; 103 } 104 setBatteryDiffEntry(BatteryDiffEntry entry)105 public void setBatteryDiffEntry(BatteryDiffEntry entry) { 106 mBatteryDiffEntry = entry; 107 } 108 getInfo()109 BatteryEntry getInfo() { 110 return mInfo; 111 } 112 getBatteryDiffEntry()113 BatteryDiffEntry getBatteryDiffEntry() { 114 return mBatteryDiffEntry; 115 } 116 117 @Override onBindViewHolder(PreferenceViewHolder view)118 public void onBindViewHolder(PreferenceViewHolder view) { 119 super.onBindViewHolder(view); 120 121 final boolean isNightMode = Utils.isNightMode(getContext()); 122 final float alpha = isSelectable() ? SELECTABLE_ALPHA 123 : (isNightMode ? UNSELECTABLE_ALPHA_DARK_MODE : UNSELECTABLE_ALPHA_LIGHT_MODE); 124 setViewAlpha(view.itemView, alpha); 125 126 final TextView subtitle = (TextView) view.findViewById(R.id.widget_summary); 127 subtitle.setText(mProgress); 128 if (mShowAnomalyIcon) { 129 subtitle.setCompoundDrawablesRelativeWithIntrinsicBounds(R.drawable.ic_warning_24dp, 0, 130 0, 0); 131 } else { 132 subtitle.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, 0, 0); 133 } 134 if (mContentDescription != null) { 135 final TextView titleView = (TextView) view.findViewById(android.R.id.title); 136 titleView.setContentDescription(mContentDescription); 137 } 138 } 139 setViewAlpha(View view, float alpha)140 private static void setViewAlpha(View view, float alpha) { 141 if (view instanceof ViewGroup) { 142 final ViewGroup viewGroup = (ViewGroup) view; 143 for (int i = viewGroup.getChildCount() - 1; i >= 0; i--) { 144 setViewAlpha(viewGroup.getChildAt(i), alpha); 145 } 146 } else { 147 view.setAlpha(alpha); 148 } 149 } 150 } 151