2 * Copyright 2017 Google
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #import "FIRMessagingTopicOperation.h"
19 @class FIRMessagingCheckinService;
21 @interface FIRMessagingPubSubRegistrar : NSObject
24 * Designated Initializer.
26 * @param checkinService The checkin service used to register with Checkin
29 * @return A new FIRMessagingPubSubRegistrar instance used to subscribe/unsubscribe.
31 - (instancetype)initWithCheckinService:(FIRMessagingCheckinService *)checkinService;
34 * Stops all the subscription requests going on in parallel. This would
35 * invalidate all the handlers associated with the subscription requests.
37 - (void)stopAllSubscriptionRequests;
40 * Update subscription status for a given topic with FIRMessaging's backend.
42 * @param topic The topic to subscribe to.
43 * @param token The registration token to be used.
44 * @param options The options to be passed in during subscription request.
45 * @param shouldDelete NO if the subscription is being added else YES if being
47 * @param handler The handler invoked once the update subscription request
50 - (void)updateSubscriptionToTopic:(NSString *)topic
51 withToken:(NSString *)token
52 options:(NSDictionary *)options
53 shouldDelete:(BOOL)shouldDelete
54 handler:(FIRMessagingTopicOperationCompletion)handler;