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/*
* Copyright 2020 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.car.calendar;
import android.content.ContentResolver;
import android.os.Handler;
import android.os.HandlerThread;
import android.telephony.TelephonyManager;
import android.util.Log;
import androidx.annotation.Nullable;
import androidx.lifecycle.ViewModel;
import com.android.car.calendar.common.EventDescriptions;
import com.android.car.calendar.common.EventLocations;
import com.android.car.calendar.common.EventsLiveData;
import java.time.Clock;
import java.util.Locale;
class CarCalendarViewModel extends ViewModel {
private static final String TAG = "CarCalendarViewModel";
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
private final HandlerThread mHandlerThread = new HandlerThread("CarCalendarBackground");
private final Clock mClock;
private final ContentResolver mResolver;
private final Locale mLocale;
private final TelephonyManager mTelephonyManager;
@Nullable private EventsLiveData mEventsLiveData;
CarCalendarViewModel(ContentResolver resolver, Locale locale,
TelephonyManager telephonyManager, Clock clock) {
mLocale = locale;
if (DEBUG) Log.d(TAG, "Creating view model");
mResolver = resolver;
mTelephonyManager = telephonyManager;
mHandlerThread.start();
mClock = clock;
}
/** Creates an {@link EventsLiveData} lazily and always returns the same instance. */
EventsLiveData getEventsLiveData() {
if (mEventsLiveData == null) {
mEventsLiveData =
new EventsLiveData(
mClock,
new Handler(mHandlerThread.getLooper()),
mResolver,
new EventDescriptions(mLocale, mTelephonyManager),
new EventLocations());
}
return mEventsLiveData;
}
@Override
protected void onCleared() {
super.onCleared();
mHandlerThread.quitSafely();
}
}
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