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 17 package com.android.settings.fuelgauge; 18 19 import android.content.Context; 20 import android.support.annotation.VisibleForTesting; 21 import android.support.v7.preference.Preference; 22 import android.support.v7.preference.PreferenceViewHolder; 23 import android.util.AttributeSet; 24 import android.view.View; 25 import android.widget.TextView; 26 import com.android.internal.os.BatteryStatsHelper; 27 import com.android.settings.R; 28 import 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 */ 34 public 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 BatteryHistoryPreference(Context context, AttributeSet attrs)45 public BatteryHistoryPreference(Context context, AttributeSet attrs) { 46 super(context, attrs); 47 setLayoutResource(R.layout.battery_usage_graph); 48 setSelectable(false); 49 } 50 setStats(BatteryStatsHelper batteryStats)51 public void setStats(BatteryStatsHelper batteryStats) { 52 BatteryInfo.getBatteryInfo(getContext(), info -> { 53 mBatteryInfo = info; 54 notifyChanged(); 55 }, batteryStats.getStats(), false); 56 } 57 setBottomSummary(CharSequence text)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 hideBottomSummary()67 public void hideBottomSummary() { 68 if (mSummaryView != null) { 69 mSummaryView.setVisibility(View.GONE); 70 } 71 hideSummary = true; 72 } 73 74 @Override onBindViewHolder(PreferenceViewHolder view)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