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 17package com.android.settings.fuelgauge; 18 19import android.content.Context; 20import android.graphics.drawable.ColorDrawable; 21import android.graphics.drawable.Drawable; 22import android.view.View; 23import android.widget.TextView; 24 25import com.android.settings.AppProgressPreference; 26import com.android.settings.Utils; 27 28/** 29 * Custom preference for displaying power consumption as a bar and an icon on 30 * the left for the subsystem/app type. 31 */ 32public class PowerGaugePreference extends AppProgressPreference { 33 private BatteryEntry mInfo; 34 private final CharSequence mContentDescription; 35 36 public PowerGaugePreference(Context context, Drawable icon, CharSequence contentDescription, 37 BatteryEntry info) { 38 super(context, null); 39 setIcon(icon != null ? icon : new ColorDrawable(0)); 40 mInfo = info; 41 mContentDescription = contentDescription; 42 } 43 44 public void setPercent(double percentOfMax, double percentOfTotal) { 45 setProgress((int) Math.ceil(percentOfMax)); 46 setSummary(Utils.formatPercentage((int) (percentOfTotal + 0.5))); 47 } 48 49 BatteryEntry getInfo() { 50 return mInfo; 51 } 52 53 @Override 54 protected void onBindView(View view) { 55 super.onBindView(view); 56 57 if (mContentDescription != null) { 58 final TextView titleView = (TextView) view.findViewById(android.R.id.title); 59 titleView.setContentDescription(mContentDescription); 60 } 61 } 62} 63