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.preference.Preference; 23 import android.view.View; 24 import android.widget.ProgressBar; 25 import android.widget.TextView; 26 27 import com.android.settings.R; 28 import com.android.settings.Utils; 29 30 /** 31 * Custom preference for displaying power consumption as a bar and an icon on 32 * the left for the subsystem/app type. 33 */ 34 public class PowerGaugePreference extends Preference { 35 private BatteryEntry mInfo; 36 private int mProgress; 37 private CharSequence mProgressText; 38 private final CharSequence mContentDescription; 39 PowerGaugePreference(Context context, Drawable icon, CharSequence contentDescription, BatteryEntry info)40 public PowerGaugePreference(Context context, Drawable icon, CharSequence contentDescription, 41 BatteryEntry info) { 42 super(context); 43 setLayoutResource(R.layout.preference_app_percentage); 44 setIcon(icon != null ? icon : new ColorDrawable(0)); 45 mInfo = info; 46 mContentDescription = contentDescription; 47 } 48 setPercent(double percentOfMax, double percentOfTotal)49 public void setPercent(double percentOfMax, double percentOfTotal) { 50 mProgress = (int) Math.ceil(percentOfMax); 51 mProgressText = Utils.formatPercentage((int) (percentOfTotal + 0.5)); 52 notifyChanged(); 53 } 54 getInfo()55 BatteryEntry getInfo() { 56 return mInfo; 57 } 58 59 @Override onBindView(View view)60 protected void onBindView(View view) { 61 super.onBindView(view); 62 63 final ProgressBar progress = (ProgressBar) view.findViewById(android.R.id.progress); 64 progress.setProgress(mProgress); 65 66 final TextView text1 = (TextView) view.findViewById(android.R.id.text1); 67 text1.setText(mProgressText); 68 69 if (mContentDescription != null) { 70 final TextView titleView = (TextView) view.findViewById(android.R.id.title); 71 titleView.setContentDescription(mContentDescription); 72 } 73 } 74 } 75