1 /* 2 * Copyright (C) 2009 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 android.content.Context; 20 import android.graphics.drawable.ColorDrawable; 21 import android.graphics.drawable.Drawable; 22 import android.support.v7.preference.PreferenceViewHolder; 23 import android.util.AttributeSet; 24 import android.view.View; 25 import android.widget.ImageView; 26 import android.widget.LinearLayout; 27 import android.widget.TextView; 28 29 import com.android.settings.R; 30 import com.android.settings.TintablePreference; 31 import com.android.settings.Utils; 32 33 /** 34 * Custom preference for displaying battery usage info as a bar and an icon on 35 * the left for the subsystem/app type. 36 * 37 * The battery usage info could be usage percentage or usage time. The preference 38 * won't show any icon if it is null. 39 */ 40 public class PowerGaugePreference extends TintablePreference { 41 private final int mIconSize; 42 43 private BatteryEntry mInfo; 44 private CharSequence mContentDescription; 45 private CharSequence mProgress; 46 private boolean mShowAnomalyIcon; 47 48 public PowerGaugePreference(Context context, Drawable icon, CharSequence contentDescription, 49 BatteryEntry info) { 50 this(context, null, icon, contentDescription, info); 51 } 52 53 public PowerGaugePreference(Context context) { 54 this(context, null, null, null, null); 55 } 56 57 public PowerGaugePreference(Context context, AttributeSet attrs) { 58 this(context, attrs, null, null, null); 59 } 60 61 private PowerGaugePreference(Context context, AttributeSet attrs, Drawable icon, 62 CharSequence contentDescription, BatteryEntry info) { 63 super(context, attrs); 64 setIcon(icon != null ? icon : new ColorDrawable(0)); 65 setWidgetLayoutResource(R.layout.preference_widget_summary); 66 mInfo = info; 67 mContentDescription = contentDescription; 68 mIconSize = context.getResources().getDimensionPixelSize(R.dimen.app_icon_size); 69 mShowAnomalyIcon = false; 70 } 71 72 public void setContentDescription(String name) { 73 mContentDescription = name; 74 notifyChanged(); 75 } 76 77 public void setPercent(double percentOfTotal) { 78 mProgress = Utils.formatPercentage(percentOfTotal, true); 79 notifyChanged(); 80 } 81 82 public String getPercent() { 83 return mProgress.toString(); 84 } 85 86 public void setSubtitle(CharSequence subtitle) { 87 mProgress = subtitle; 88 notifyChanged(); 89 } 90 91 public CharSequence getSubtitle() { 92 return mProgress; 93 } 94 95 public void shouldShowAnomalyIcon(boolean showAnomalyIcon) { 96 mShowAnomalyIcon = showAnomalyIcon; 97 notifyChanged(); 98 } 99 100 public boolean showAnomalyIcon() { 101 return mShowAnomalyIcon; 102 } 103 104 BatteryEntry getInfo() { 105 return mInfo; 106 } 107 108 @Override 109 public void onBindViewHolder(PreferenceViewHolder view) { 110 super.onBindViewHolder(view); 111 ImageView icon = (ImageView) view.findViewById(android.R.id.icon); 112 icon.setLayoutParams(new LinearLayout.LayoutParams(mIconSize, mIconSize)); 113 114 final TextView subtitle = (TextView) view.findViewById(R.id.widget_summary); 115 subtitle.setText(mProgress); 116 if (mShowAnomalyIcon) { 117 subtitle.setCompoundDrawablesRelativeWithIntrinsicBounds(R.drawable.ic_warning_24dp, 0, 118 0, 0); 119 } else { 120 subtitle.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, 0, 0); 121 } 122 if (mContentDescription != null) { 123 final TextView titleView = (TextView) view.findViewById(android.R.id.title); 124 titleView.setContentDescription(mContentDescription); 125 } 126 } 127 } 128