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/*
* Copyright (C) 2021 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.systemui.statusbar;
import android.annotation.NonNull;
import android.app.Notification;
import android.app.RemoteInputHistoryItem;
import android.content.Context;
import android.net.Uri;
import android.os.Parcelable;
import android.service.notification.StatusBarNotification;
import android.text.TextUtils;
import com.android.internal.annotations.VisibleForTesting;
import com.android.systemui.dagger.SysUISingleton;
import com.android.systemui.statusbar.notification.collection.NotificationEntry;
import java.util.Arrays;
import java.util.stream.Stream;
import javax.inject.Inject;
/**
* A helper class which will augment the notifications using arguments and other information
* accessible to the entry in order to provide intermediate remote input states.
*/
@SysUISingleton
public class RemoteInputNotificationRebuilder {
private final Context mContext;
@Inject
RemoteInputNotificationRebuilder(Context context) {
mContext = context;
}
/**
* When a smart reply is sent off to the app, we insert the text into the remote input history,
* and show a spinner to indicate that the app has yet to respond.
*/
@NonNull
public StatusBarNotification rebuildForSendingSmartReply(NotificationEntry entry,
CharSequence reply) {
return rebuildWithRemoteInputInserted(entry, reply,
true /* showSpinner */,
null /* mimeType */, null /* uri */);
}
/**
* When the app cancels a notification in response to a smart reply, we remove the spinner
* and leave the previously-added reply. This is the lifetime-extended appearance of the
* notification.
*/
@NonNull
public StatusBarNotification rebuildForCanceledSmartReplies(
NotificationEntry entry) {
return rebuildWithRemoteInputInserted(entry, null /* remoteInputTest */,
false /* showSpinner */, null /* mimeType */, null /* uri */);
}
/**
* When the app cancels a notification in response to a remote input reply, we update the
* notification with the reply text and/or attachment. This is the lifetime-extended
* appearance of the notification.
*/
@NonNull
public StatusBarNotification rebuildForRemoteInputReply(NotificationEntry entry) {
CharSequence remoteInputText = entry.remoteInputText;
if (TextUtils.isEmpty(remoteInputText)) {
remoteInputText = entry.remoteInputTextWhenReset;
}
String remoteInputMimeType = entry.remoteInputMimeType;
Uri remoteInputUri = entry.remoteInputUri;
StatusBarNotification newSbn = rebuildWithRemoteInputInserted(entry,
remoteInputText, false /* showSpinner */, remoteInputMimeType,
remoteInputUri);
return newSbn;
}
/** Inner method for generating the SBN */
@VisibleForTesting
@NonNull
StatusBarNotification rebuildWithRemoteInputInserted(NotificationEntry entry,
CharSequence remoteInputText, boolean showSpinner, String mimeType, Uri uri) {
StatusBarNotification sbn = entry.getSbn();
Notification.Builder b = Notification.Builder
.recoverBuilder(mContext, sbn.getNotification().clone());
if (remoteInputText != null || uri != null) {
RemoteInputHistoryItem newItem = uri != null
? new RemoteInputHistoryItem(mimeType, uri, remoteInputText)
: new RemoteInputHistoryItem(remoteInputText);
Parcelable[] oldHistoryItems = sbn.getNotification().extras
.getParcelableArray(Notification.EXTRA_REMOTE_INPUT_HISTORY_ITEMS);
RemoteInputHistoryItem[] newHistoryItems = oldHistoryItems != null
? Stream.concat(
Stream.of(newItem),
Arrays.stream(oldHistoryItems).map(p -> (RemoteInputHistoryItem) p))
.toArray(RemoteInputHistoryItem[]::new)
: new RemoteInputHistoryItem[] { newItem };
b.setRemoteInputHistory(newHistoryItems);
}
b.setShowRemoteInputSpinner(showSpinner);
b.setHideSmartReplies(true);
Notification newNotification = b.build();
// Undo any compatibility view inflation
newNotification.contentView = sbn.getNotification().contentView;
newNotification.bigContentView = sbn.getNotification().bigContentView;
newNotification.headsUpContentView = sbn.getNotification().headsUpContentView;
return new StatusBarNotification(
sbn.getPackageName(),
sbn.getOpPkg(),
sbn.getId(),
sbn.getTag(),
sbn.getUid(),
sbn.getInitialPid(),
newNotification,
sbn.getUser(),
sbn.getOverrideGroupKey(),
sbn.getPostTime());
}
}
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