111 lines
3.8 KiB
Java
111 lines
3.8 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.fuelgauge;
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import android.content.Context;
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import android.content.Intent;
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import android.os.BatteryStats;
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import android.os.Bundle;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceViewHolder;
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import android.util.AttributeSet;
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import android.view.ViewGroup;
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import com.android.internal.os.BatteryStatsHelper;
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import com.android.settings.R;
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import com.android.settings.SettingsActivity;
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/**
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* Custom preference for displaying power consumption as a bar and an icon on the left for the
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* subsystem/app type.
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*
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*/
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public class BatteryHistoryPreference extends Preference {
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protected static final String BATTERY_HISTORY_FILE = "tmp_bat_history.bin";
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private BatteryStats mStats;
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private Intent mBatteryBroadcast;
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private BatteryHistoryChart mChart;
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private BatteryStatsHelper mHelper;
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public BatteryHistoryPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onClick() {
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if (!isEnabled()) {
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return;
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}
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mHelper.storeStatsHistoryInFile(BATTERY_HISTORY_FILE);
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Bundle args = new Bundle();
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args.putString(BatteryHistoryDetail.EXTRA_STATS, BATTERY_HISTORY_FILE);
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args.putParcelable(BatteryHistoryDetail.EXTRA_BROADCAST,
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mHelper.getBatteryBroadcast());
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if (getContext() instanceof SettingsActivity) {
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SettingsActivity sa = (SettingsActivity) getContext();
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sa.startPreferencePanel(BatteryHistoryDetail.class.getName(), args,
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R.string.history_details_title, null, null, 0);
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}
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}
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public void setStats(BatteryStatsHelper batteryStats) {
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// Clear out the chart to receive new data.
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mChart = null;
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mHelper = batteryStats;
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mStats = batteryStats.getStats();
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mBatteryBroadcast = batteryStats.getBatteryBroadcast();
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if (getLayoutResource() != R.layout.battery_history_chart) {
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// Now we should have some data, set the layout we want.
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setLayoutResource(R.layout.battery_history_chart);
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}
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notifyChanged();
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}
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BatteryStats getStats() {
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return mStats;
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}
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@Override
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public void onBindViewHolder(PreferenceViewHolder view) {
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super.onBindViewHolder(view);
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if (mStats == null) {
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return;
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}
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BatteryHistoryChart chart = (BatteryHistoryChart) view.findViewById(
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R.id.battery_history_chart);
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if (mChart == null) {
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// First time: use and initialize this chart.
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chart.setStats(mStats, mBatteryBroadcast);
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mChart = chart;
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} else {
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// All future times: forget the newly inflated chart, re-use the
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// already initialized chart from last time.
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ViewGroup parent = (ViewGroup) chart.getParent();
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int index = parent.indexOfChild(chart);
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parent.removeViewAt(index);
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if (mChart.getParent() != null) {
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((ViewGroup) mChart.getParent()).removeView(mChart);
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}
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parent.addView(mChart, index);
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}
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}
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}
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