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