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