1/*
2 * Copyright (C) 2010 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.support.annotation.VisibleForTesting;
21import android.support.v7.preference.Preference;
22import android.support.v7.preference.PreferenceViewHolder;
23import android.util.AttributeSet;
24import android.view.View;
25import android.widget.TextView;
26import com.android.internal.os.BatteryStatsHelper;
27import com.android.settings.R;
28import com.android.settings.graph.UsageView;
29
30/**
31 * Custom preference for displaying power consumption as a bar and an icon on the left for the
32 * subsystem/app type.
33 */
34public class BatteryHistoryPreference extends Preference {
35    private static final String TAG = "BatteryHistoryPreference";
36
37    private CharSequence mSummary;
38    private TextView mSummaryView;
39
40    @VisibleForTesting
41    boolean hideSummary;
42    @VisibleForTesting
43    BatteryInfo mBatteryInfo;
44
45    public BatteryHistoryPreference(Context context, AttributeSet attrs) {
46        super(context, attrs);
47        setLayoutResource(R.layout.battery_usage_graph);
48        setSelectable(false);
49    }
50
51    public void setStats(BatteryStatsHelper batteryStats) {
52        BatteryInfo.getBatteryInfo(getContext(), info -> {
53            mBatteryInfo = info;
54            notifyChanged();
55        }, batteryStats.getStats(), false);
56    }
57
58    public void setBottomSummary(CharSequence text) {
59        mSummary = text;
60        if (mSummaryView != null) {
61            mSummaryView.setVisibility(View.VISIBLE);
62            mSummaryView.setText(mSummary);
63        }
64        hideSummary = false;
65    }
66
67    public void hideBottomSummary() {
68        if (mSummaryView != null) {
69            mSummaryView.setVisibility(View.GONE);
70        }
71        hideSummary = true;
72    }
73
74    @Override
75    public void onBindViewHolder(PreferenceViewHolder view) {
76        super.onBindViewHolder(view);
77        final long startTime = System.currentTimeMillis();
78        if (mBatteryInfo == null) {
79            return;
80        }
81
82        ((TextView) view.findViewById(R.id.charge)).setText(mBatteryInfo.batteryPercentString);
83        mSummaryView = (TextView) view.findViewById(R.id.bottom_summary);
84        if (mSummary != null) {
85            mSummaryView.setText(mSummary);
86        }
87        if (hideSummary) {
88            mSummaryView.setVisibility(View.GONE);
89        }
90        UsageView usageView = (UsageView) view.findViewById(R.id.battery_usage);
91        usageView.findViewById(R.id.label_group).setAlpha(.7f);
92        mBatteryInfo.bindHistory(usageView);
93        BatteryUtils.logRuntime(TAG, "onBindViewHolder", startTime);
94    }
95}
96