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/*
* Copyright (C) 2017 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.notification;
import android.annotation.TargetApi;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.media.AudioAttributes;
import android.os.Build.VERSION_CODES;
import android.provider.Settings;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.os.BuildCompat;
import android.telecom.PhoneAccount;
import android.telecom.PhoneAccountHandle;
import android.telecom.TelecomManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.ArraySet;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/** Utilities for working with voicemail channels. */
@TargetApi(VERSION_CODES.O)
/* package */ final class VoicemailChannelUtils {
private static final String GLOBAL_VOICEMAIL_CHANNEL_ID = "phone_voicemail";
private static final String PER_ACCOUNT_VOICEMAIL_CHANNEL_ID_PREFIX = "phone_voicemail_account_";
static Set<String> getAllChannelIds(@NonNull Context context) {
Assert.checkArgument(BuildCompat.isAtLeastO());
Assert.isNotNull(context);
Set<String> result = new ArraySet<>();
if (isSingleSimDevice(context)) {
result.add(GLOBAL_VOICEMAIL_CHANNEL_ID);
} else {
for (PhoneAccountHandle handle : getAllEligableAccounts(context)) {
result.add(getChannelIdForAccount(handle));
}
}
return result;
}
static void createAllChannels(@NonNull Context context) {
Assert.checkArgument(BuildCompat.isAtLeastO());
Assert.isNotNull(context);
if (isSingleSimDevice(context)) {
createGlobalVoicemailChannel(context);
} else {
for (PhoneAccountHandle handle : getAllEligableAccounts(context)) {
createVoicemailChannelForAccount(context, handle);
}
}
}
@NonNull
static String getChannelId(@NonNull Context context, @Nullable PhoneAccountHandle handle) {
Assert.checkArgument(BuildCompat.isAtLeastO());
Assert.isNotNull(context);
// Most devices we deal with have a single SIM slot. No need to distinguish between phone
// accounts.
if (isSingleSimDevice(context)) {
return GLOBAL_VOICEMAIL_CHANNEL_ID;
}
// We can get a null phone account at random points (modem reboot, etc...). Gracefully degrade
// by using the default channel.
if (handle == null) {
LogUtil.i(
"VoicemailChannelUtils.getChannelId",
"no phone account on a multi-SIM device, using default channel");
return NotificationChannelId.DEFAULT;
}
// Voicemail notifications should always be associated with a SIM based phone account.
if (!isChannelAllowedForAccount(context, handle)) {
LogUtil.i(
"VoicemailChannelUtils.getChannelId",
"phone account is not for a SIM, using default channel");
return NotificationChannelId.DEFAULT;
}
// Now we're in the multi-SIM case.
String channelId = getChannelIdForAccount(handle);
if (!doesChannelExist(context, channelId)) {
LogUtil.i(
"VoicemailChannelUtils.getChannelId",
"voicemail channel not found for phone account (possible SIM swap?), creating a new one");
createVoicemailChannelForAccount(context, handle);
}
return channelId;
}
private static boolean doesChannelExist(@NonNull Context context, @NonNull String channelId) {
return context.getSystemService(NotificationManager.class).getNotificationChannel(channelId)
!= null;
}
private static String getChannelIdForAccount(@NonNull PhoneAccountHandle handle) {
Assert.isNotNull(handle);
return PER_ACCOUNT_VOICEMAIL_CHANNEL_ID_PREFIX + ":" + handle.getId();
}
/**
* Creates a voicemail channel but doesn't associate it with a SIM. For devices with only one SIM
* slot this is ideal because there won't be duplication in the settings UI.
*/
private static void createGlobalVoicemailChannel(@NonNull Context context) {
NotificationChannel channel = newChannel(context, GLOBAL_VOICEMAIL_CHANNEL_ID, null);
TelecomManager telecomManager = context.getSystemService(TelecomManager.class);
PhoneAccountHandle handle =
telecomManager.getDefaultOutgoingPhoneAccount(PhoneAccount.SCHEME_TEL);
if (handle == null) {
LogUtil.i(
"VoicemailChannelUtils.createGlobalVoicemailChannel",
"phone account is null, not migrating sound settings");
} else if (!isChannelAllowedForAccount(context, handle)) {
LogUtil.i(
"VoicemailChannelUtils.createGlobalVoicemailChannel",
"phone account is not eligable, not migrating sound settings");
} else {
migrateVoicemailSoundSettings(context, channel, handle);
}
context.getSystemService(NotificationManager.class).createNotificationChannel(channel);
}
private static List<PhoneAccountHandle> getAllEligableAccounts(@NonNull Context context) {
List<PhoneAccountHandle> handles = new ArrayList<>();
TelecomManager telecomManager = context.getSystemService(TelecomManager.class);
for (PhoneAccountHandle handle : telecomManager.getCallCapablePhoneAccounts()) {
if (isChannelAllowedForAccount(context, handle)) {
handles.add(handle);
}
}
return handles;
}
private static void createVoicemailChannelForAccount(
@NonNull Context context, @NonNull PhoneAccountHandle handle) {
PhoneAccount phoneAccount =
context.getSystemService(TelecomManager.class).getPhoneAccount(handle);
NotificationChannel channel =
newChannel(context, getChannelIdForAccount(handle), phoneAccount.getLabel());
migrateVoicemailSoundSettings(context, channel, handle);
context.getSystemService(NotificationManager.class).createNotificationChannel(channel);
}
private static void migrateVoicemailSoundSettings(
@NonNull Context context,
@NonNull NotificationChannel channel,
@NonNull PhoneAccountHandle handle) {
TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class);
channel.enableVibration(telephonyManager.isVoicemailVibrationEnabled(handle));
channel.setSound(
telephonyManager.getVoicemailRingtoneUri(handle),
new AudioAttributes.Builder().setUsage(AudioAttributes.USAGE_NOTIFICATION).build());
}
private static boolean isChannelAllowedForAccount(
@NonNull Context context, @NonNull PhoneAccountHandle handle) {
PhoneAccount phoneAccount =
context.getSystemService(TelecomManager.class).getPhoneAccount(handle);
if (phoneAccount == null) {
return false;
}
if (!phoneAccount.hasCapabilities(PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION)) {
return false;
}
return true;
}
private static NotificationChannel newChannel(
@NonNull Context context, @NonNull String channelId, @Nullable CharSequence nameSuffix) {
CharSequence name = context.getText(R.string.notification_channel_voicemail);
// TODO: Use a string resource template after v10.
if (!TextUtils.isEmpty(nameSuffix)) {
name = TextUtils.concat(name, ": ", nameSuffix);
}
NotificationChannel channel =
new NotificationChannel(channelId, name, NotificationManager.IMPORTANCE_DEFAULT);
channel.setShowBadge(true);
channel.enableLights(true);
channel.enableVibration(true);
channel.setSound(
Settings.System.DEFAULT_NOTIFICATION_URI,
new AudioAttributes.Builder().setUsage(AudioAttributes.USAGE_NOTIFICATION).build());
return channel;
}
private static boolean isSingleSimDevice(@NonNull Context context) {
return context.getSystemService(TelephonyManager.class).getPhoneCount() <= 1;
}
private VoicemailChannelUtils() {}
}
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