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/*
* Copyright (C) 2019 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.dialer.notification;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Icon;
import android.telecom.Call;
import android.text.TextUtils;
import androidx.annotation.StringRes;
import com.android.car.dialer.R;
import com.android.car.dialer.log.L;
import com.android.car.telephony.common.CallDetail;
import com.android.car.telephony.common.TelecomUtils;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
/** Controller that manages the heads up notification for incoming calls. */
public final class InCallNotificationController {
private static final String TAG = "CD.InCallNotificationController";
private static final String CHANNEL_ID = "com.android.car.dialer.incoming";
// A random number that is used for notification id.
private static final int NOTIFICATION_ID = 20181105;
private static InCallNotificationController sInCallNotificationController;
private boolean mShowFullscreenIncallUi;
/**
* Initialized a globally accessible {@link InCallNotificationController} which can be retrieved
* by {@link #get}. If this function is called a second time before calling {@link #tearDown()},
* an {@link IllegalStateException} will be thrown.
*
* @param applicationContext Application context.
*/
public static void init(Context applicationContext) {
if (sInCallNotificationController == null) {
sInCallNotificationController = new InCallNotificationController(applicationContext);
} else {
throw new IllegalStateException("InCallNotificationController has been initialized.");
}
}
/**
* Gets the global {@link InCallNotificationController} instance. Make sure
* {@link #init(Context)} is called before calling this method.
*/
public static InCallNotificationController get() {
if (sInCallNotificationController == null) {
throw new IllegalStateException(
"Call InCallNotificationController.init(Context) before calling this function");
}
return sInCallNotificationController;
}
public static void tearDown() {
sInCallNotificationController = null;
}
private final Context mContext;
private final NotificationManager mNotificationManager;
private final Notification.Builder mNotificationBuilder;
private final Set<String> mActiveInCallNotifications;
private CompletableFuture<Void> mNotificationFuture;
private InCallNotificationController(Context context) {
mContext = context;
mShowFullscreenIncallUi = mContext.getResources().getBoolean(
R.bool.config_show_hun_fullscreen_incall_ui);
mNotificationManager =
(NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
CharSequence name = mContext.getString(R.string.in_call_notification_channel_name);
NotificationChannel notificationChannel = new NotificationChannel(CHANNEL_ID, name,
NotificationManager.IMPORTANCE_HIGH);
mNotificationManager.createNotificationChannel(notificationChannel);
mNotificationBuilder = new Notification.Builder(mContext, CHANNEL_ID)
.setSmallIcon(R.drawable.ic_phone)
.setContentText(mContext.getString(R.string.notification_incoming_call))
.setCategory(Notification.CATEGORY_CALL)
.setOngoing(true)
.setAutoCancel(false);
mActiveInCallNotifications = new HashSet<>();
}
/** Show a new incoming call notification or update the existing incoming call notification. */
public void showInCallNotification(Call call) {
L.d(TAG, "showInCallNotification");
if (mNotificationFuture != null) {
mNotificationFuture.cancel(true);
}
CallDetail callDetail = CallDetail.fromTelecomCallDetail(call.getDetails());
String number = callDetail.getNumber();
String callId = call.getDetails().getTelecomCallId();
mActiveInCallNotifications.add(callId);
if (mShowFullscreenIncallUi) {
mNotificationBuilder.setFullScreenIntent(
getFullscreenIntent(call), /* highPriority= */true);
}
mNotificationBuilder
.setLargeIcon((Icon) null)
.setContentTitle(TelecomUtils.getBidiWrappedNumber(number))
.setActions(
getAction(call, R.string.answer_call,
NotificationService.ACTION_ANSWER_CALL),
getAction(call, R.string.decline_call,
NotificationService.ACTION_DECLINE_CALL));
mNotificationManager.notify(
callId,
NOTIFICATION_ID,
mNotificationBuilder.build());
mNotificationFuture = NotificationUtils.getDisplayNameAndRoundedAvatar(mContext, number)
.thenAcceptAsync((pair) -> {
// Check that the notification hasn't already been dismissed
if (mActiveInCallNotifications.contains(callId)) {
mNotificationBuilder
.setLargeIcon(pair.second)
.setContentTitle(TelecomUtils.getBidiWrappedNumber(pair.first));
mNotificationManager.notify(
callId,
NOTIFICATION_ID,
mNotificationBuilder.build());
}
}, mContext.getMainExecutor());
}
/** Cancel the incoming call notification for the given call. */
public void cancelInCallNotification(Call call) {
L.d(TAG, "cancelInCallNotification");
if (call.getDetails() != null) {
String callId = call.getDetails().getTelecomCallId();
cancelInCallNotification(callId);
}
}
/**
* Cancel the incoming call notification for the given call id. Any action that dismisses the
* notification needs to call this explicitly.
*/
void cancelInCallNotification(String callId) {
if (TextUtils.isEmpty(callId)) {
return;
}
mActiveInCallNotifications.remove(callId);
mNotificationManager.cancel(callId, NOTIFICATION_ID);
}
private PendingIntent getFullscreenIntent(Call call) {
Intent intent = getIntent(NotificationService.ACTION_SHOW_FULLSCREEN_UI, call);
return PendingIntent.getService(mContext, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
}
private Notification.Action getAction(Call call, @StringRes int actionText,
String intentAction) {
CharSequence text = mContext.getString(actionText);
PendingIntent intent = PendingIntent.getService(
mContext,
0,
getIntent(intentAction, call),
PendingIntent.FLAG_UPDATE_CURRENT);
return new Notification.Action.Builder(null, text, intent).build();
}
private Intent getIntent(String action, Call call) {
Intent intent = new Intent(action, null, mContext, NotificationService.class);
intent.putExtra(NotificationService.EXTRA_CALL_ID, call.getDetails().getTelecomCallId());
return intent;
}
}
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