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/*
* Copyright (C) 2015 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 static com.android.settings.fuelgauge.BatteryBroadcastReceiver.BatteryUpdateType;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.UserManager;
import android.view.Menu;
import androidx.annotation.VisibleForTesting;
import androidx.loader.app.LoaderManager;
import androidx.loader.content.Loader;
import com.android.internal.os.BatteryStatsHelper;
import com.android.settings.dashboard.DashboardFragment;
/**
* Common base class for things that need to show the battery usage graph.
*/
public abstract class PowerUsageBase extends DashboardFragment {
// +1 to allow ordering for PowerUsageSummary.
@VisibleForTesting
static final int MENU_STATS_REFRESH = Menu.FIRST + 1;
private static final String TAG = "PowerUsageBase";
private static final String KEY_REFRESH_TYPE = "refresh_type";
protected BatteryStatsHelper mStatsHelper;
protected UserManager mUm;
private BatteryBroadcastReceiver mBatteryBroadcastReceiver;
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
mUm = (UserManager) activity.getSystemService(Context.USER_SERVICE);
mStatsHelper = new BatteryStatsHelper(activity, true);
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mStatsHelper.create(icicle);
setHasOptionsMenu(true);
mBatteryBroadcastReceiver = new BatteryBroadcastReceiver(getContext());
mBatteryBroadcastReceiver.setBatteryChangedListener(type -> {
restartBatteryStatsLoader(type);
});
}
@Override
public void onStart() {
super.onStart();
mBatteryBroadcastReceiver.register();
}
@Override
public void onStop() {
super.onStop();
mBatteryBroadcastReceiver.unRegister();
}
protected void restartBatteryStatsLoader(int refreshType) {
final Bundle bundle = new Bundle();
bundle.putInt(KEY_REFRESH_TYPE, refreshType);
getLoaderManager().restartLoader(0, bundle, new PowerLoaderCallback());
}
protected abstract void refreshUi(@BatteryUpdateType int refreshType);
protected void updatePreference(BatteryHistoryPreference historyPref) {
final long startTime = System.currentTimeMillis();
historyPref.setStats(mStatsHelper);
BatteryUtils.logRuntime(TAG, "updatePreference", startTime);
}
/**
* {@link android.app.LoaderManager.LoaderCallbacks} for {@link PowerUsageBase} to load
* the {@link BatteryStatsHelper}
*/
public class PowerLoaderCallback implements LoaderManager.LoaderCallbacks<BatteryStatsHelper> {
private int mRefreshType;
@Override
public Loader<BatteryStatsHelper> onCreateLoader(int id,
Bundle args) {
mRefreshType = args.getInt(KEY_REFRESH_TYPE);
return new BatteryStatsHelperLoader(getContext());
}
@Override
public void onLoadFinished(Loader<BatteryStatsHelper> loader,
BatteryStatsHelper statsHelper) {
mStatsHelper = statsHelper;
refreshUi(mRefreshType);
}
@Override
public void onLoaderReset(Loader<BatteryStatsHelper> loader) {
}
}
}
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