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/*
* Copyright (C) 2011 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.dialer.app.calllog;
import android.content.Context;
import android.net.Uri;
import android.service.notification.StatusBarNotification;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.WorkerThread;
import android.text.TextUtils;
import android.util.ArrayMap;
import com.android.dialer.app.R;
import com.android.dialer.app.calllog.CallLogNotificationsQueryHelper.NewCall;
import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler;
import com.android.dialer.blocking.FilteredNumbersUtil;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.common.concurrent.DialerExecutor.Worker;
import com.android.dialer.common.concurrent.DialerExecutors;
import com.android.dialer.notification.DialerNotificationManager;
import com.android.dialer.phonenumbercache.ContactInfo;
import com.android.dialer.telecom.TelecomUtil;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/** Updates voicemail notifications in the background. */
class VisualVoicemailUpdateTask implements Worker<VisualVoicemailUpdateTask.Input, Void> {
@Nullable
@Override
public Void doInBackground(@NonNull Input input) throws Throwable {
updateNotification(input.context, input.queryHelper, input.queryHandler);
return null;
}
/**
* Updates the notification and notifies of the call with the given URI.
*
* <p>Clears the notification if there are no new voicemails, and notifies if the given URI
* corresponds to a new voicemail.
*/
@WorkerThread
private static void updateNotification(
Context context,
CallLogNotificationsQueryHelper queryHelper,
FilteredNumberAsyncQueryHandler queryHandler) {
Assert.isWorkerThread();
LogUtil.enterBlock("VisualVoicemailUpdateTask.updateNotification");
List<NewCall> voicemailsToNotify = queryHelper.getNewVoicemails();
if (voicemailsToNotify == null) {
// Query failed, just return
return;
}
voicemailsToNotify.addAll(getAndUpdateVoicemailsWithExistingNotification(context, queryHelper));
voicemailsToNotify = filterBlockedNumbers(context, queryHandler, voicemailsToNotify);
if (voicemailsToNotify.isEmpty()) {
LogUtil.i("VisualVoicemailUpdateTask.updateNotification", "no voicemails to notify about");
VisualVoicemailNotifier.cancelAllVoicemailNotifications(context);
VoicemailNotificationJobService.cancelJob(context);
return;
}
// This represents a list of names to include in the notification.
String callers = null;
// Maps each number into a name: if a number is in the map, it has already left a more
// recent voicemail.
Map<String, ContactInfo> contactInfos = new ArrayMap<>();
for (NewCall newCall : voicemailsToNotify) {
if (!contactInfos.containsKey(newCall.number)) {
ContactInfo contactInfo =
queryHelper.getContactInfo(
newCall.number, newCall.numberPresentation, newCall.countryIso);
contactInfos.put(newCall.number, contactInfo);
// This is a new caller. Add it to the back of the list of callers.
if (TextUtils.isEmpty(callers)) {
callers = contactInfo.name;
} else {
callers =
context.getString(
R.string.notification_voicemail_callers_list, callers, contactInfo.name);
}
}
}
VisualVoicemailNotifier.showNotifications(context, voicemailsToNotify, contactInfos, callers);
// Set trigger to update notifications when database changes.
VoicemailNotificationJobService.scheduleJob(context);
}
/**
* Cancel notification for voicemail that is already deleted. Returns a list of voicemails that
* already has notifications posted and should be updated.
*/
@WorkerThread
@NonNull
private static List<NewCall> getAndUpdateVoicemailsWithExistingNotification(
Context context, CallLogNotificationsQueryHelper queryHelper) {
Assert.isWorkerThread();
List<NewCall> result = new ArrayList<>();
for (StatusBarNotification notification :
DialerNotificationManager.getActiveNotifications(context)) {
if (notification.getId() != VisualVoicemailNotifier.NOTIFICATION_ID) {
continue;
}
if (!notification.getTag().startsWith(VisualVoicemailNotifier.NOTIFICATION_TAG_PREFIX)) {
continue;
}
String uri =
notification.getTag().replace(VisualVoicemailNotifier.NOTIFICATION_TAG_PREFIX, "");
NewCall existingCall = queryHelper.getNewCallsQuery().query(Uri.parse(uri));
if (existingCall != null) {
result.add(existingCall);
} else {
LogUtil.i(
"VisualVoicemailUpdateTask.getVoicemailsWithExistingNotification",
"voicemail deleted, removing notification");
DialerNotificationManager.cancel(context, notification.getTag(), notification.getId());
}
}
return result;
}
@WorkerThread
private static List<NewCall> filterBlockedNumbers(
Context context, FilteredNumberAsyncQueryHandler queryHandler, List<NewCall> newCalls) {
Assert.isWorkerThread();
if (FilteredNumbersUtil.hasRecentEmergencyCall(context)) {
LogUtil.i(
"VisualVoicemailUpdateTask.filterBlockedNumbers",
"not filtering due to recent emergency call");
return newCalls;
}
List<NewCall> result = new ArrayList<>();
for (NewCall newCall : newCalls) {
if (queryHandler.getBlockedIdSynchronous(newCall.number, newCall.countryIso) != null) {
LogUtil.i(
"VisualVoicemailUpdateTask.filterBlockedNumbers",
"found voicemail from blocked number, deleting");
if (newCall.voicemailUri != null) {
// Delete the voicemail.
CallLogAsyncTaskUtil.deleteVoicemailSynchronous(context, newCall.voicemailUri);
}
} else {
result.add(newCall);
}
}
return result;
}
/** Updates the voicemail notifications displayed. */
static void scheduleTask(@NonNull Context context, @NonNull Runnable callback) {
Assert.isNotNull(context);
Assert.isNotNull(callback);
if (!TelecomUtil.isDefaultDialer(context)) {
LogUtil.i("VisualVoicemailUpdateTask.scheduleTask", "not default dialer, not running");
callback.run();
return;
}
Input input =
new Input(
context,
CallLogNotificationsQueryHelper.getInstance(context),
new FilteredNumberAsyncQueryHandler(context));
DialerExecutors.createNonUiTaskBuilder(new VisualVoicemailUpdateTask())
.onSuccess(
output -> {
LogUtil.i("VisualVoicemailUpdateTask.scheduleTask", "update successful");
callback.run();
})
.onFailure(
throwable -> {
LogUtil.i("VisualVoicemailUpdateTask.scheduleTask", "update failed: " + throwable);
callback.run();
})
.build()
.executeParallel(input);
}
static class Input {
@NonNull final Context context;
@NonNull final CallLogNotificationsQueryHelper queryHelper;
@NonNull final FilteredNumberAsyncQueryHandler queryHandler;
Input(
Context context,
CallLogNotificationsQueryHelper queryHelper,
FilteredNumberAsyncQueryHandler queryHandler) {
this.context = context;
this.queryHelper = queryHelper;
this.queryHandler = queryHandler;
}
}
}
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