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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.fuelgauge;
import android.content.Context;
import android.content.Intent;
import android.os.BatteryStats;
import android.preference.Preference;
import android.view.View;
import android.view.ViewGroup;
import com.android.settings.R;
/**
* Custom preference for displaying power consumption as a bar and an icon on the left for the
* subsystem/app type.
*
*/
public class BatteryHistoryPreference extends Preference {
final private BatteryStats mStats;
final private Intent mBatteryBroadcast;
private boolean mHideLabels;
private View mLabelHeader;
private BatteryHistoryChart mChart;
public BatteryHistoryPreference(Context context, BatteryStats stats, Intent batteryBroadcast) {
super(context);
setLayoutResource(R.layout.preference_batteryhistory);
mStats = stats;
mBatteryBroadcast = batteryBroadcast;
}
BatteryStats getStats() {
return mStats;
}
public void setHideLabels(boolean hide) {
if (mHideLabels != hide) {
mHideLabels = hide;
if (mLabelHeader != null) {
mLabelHeader.setVisibility(hide ? View.GONE : View.VISIBLE);
}
}
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
BatteryHistoryChart chart = (BatteryHistoryChart)view.findViewById(
R.id.battery_history_chart);
if (mChart == null) {
// First time: use and initialize this chart.
chart.setStats(mStats, mBatteryBroadcast);
mChart = chart;
} else {
// All future times: forget the newly inflated chart, re-use the
// already initialized chart from last time.
ViewGroup parent = (ViewGroup)chart.getParent();
int index = parent.indexOfChild(chart);
parent.removeViewAt(index);
if (mChart.getParent() != null) {
((ViewGroup)mChart.getParent()).removeView(mChart);
}
parent.addView(mChart, index);
}
mLabelHeader = view.findViewById(R.id.labelsHeader);
mLabelHeader.setVisibility(mHideLabels ? View.GONE : View.VISIBLE);
}
}
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