Home | History | Annotate | Download | only in fuelgauge 
      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.Drawable;
     21 import android.preference.Preference;
     22 import android.view.View;
     23 import android.widget.ImageView;
     24 import android.widget.TextView;
     25 
     26 import com.android.settings.R;
     27 
     28 /**
     29  * Custom preference for displaying power consumption as a bar and an icon on the left for the
     30  * subsystem/app type.
     31  *
     32  */
     33 public class PowerGaugePreference extends Preference {
     34 
     35     private Drawable mIcon;
     36     private PercentageBar mGauge;
     37     private double mValue;
     38     private BatterySipper mInfo;
     39     private double mPercent;
     40 
     41     public PowerGaugePreference(Context context, Drawable icon, BatterySipper info) {
     42         super(context);
     43         setLayoutResource(R.layout.preference_powergauge);
     44         mIcon = icon;
     45         mGauge = new PercentageBar();
     46         mGauge.bar = context.getResources().getDrawable(R.drawable.app_gauge);
     47         mInfo = info;
     48     }
     49 
     50     /**
     51      * Sets the width of the gauge in percentage (0 - 100)
     52      * @param percent
     53      */
     54     void setGaugeValue(double percent) {
     55         mValue = percent;
     56         mGauge.percent = mValue;
     57     }
     58 
     59     void setPercent(double percent) {
     60         mPercent = percent;
     61     }
     62 
     63     BatterySipper getInfo() {
     64         return mInfo;
     65     }
     66 
     67     void setIcon(Drawable icon) {
     68         mIcon = icon;
     69         notifyChanged();
     70     }
     71 
     72     @Override
     73     protected void onBindView(View view) {
     74         super.onBindView(view);
     75 
     76         ImageView appIcon = (ImageView) view.findViewById(R.id.appIcon);
     77         if (mIcon == null) {
     78             mIcon = getContext().getResources().getDrawable(android.R.drawable.sym_def_app_icon);
     79         }
     80         appIcon.setImageDrawable(mIcon);
     81 
     82         ImageView appGauge = (ImageView) view.findViewById(R.id.appGauge);
     83         appGauge.setImageDrawable(mGauge);
     84 
     85         TextView percentView = (TextView) view.findViewById(R.id.percent);
     86         percentView.setText((int) (Math.ceil(mPercent)) + "%");
     87     }
     88 
     89 }
     90