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/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "FIRMessagingPubSubRegistrar.h"
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#import "FIRMessagingDefines.h"
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#import "FIRMessagingPubSubRegistrar.h"
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#import "FIRMessagingTopicsCommon.h"
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#import "NSError+FIRMessaging.h"
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@interface FIRMessagingPubSubRegistrar ()
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@property(nonatomic, readonly, strong) NSOperationQueue *topicOperations;
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// Common errors, instantiated, to avoid generating multiple copies
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@property(nonatomic, readwrite, strong) NSError *operationInProgressError;
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@end
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@implementation FIRMessagingPubSubRegistrar
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- (instancetype)init {
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self = [super init];
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if (self) {
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_topicOperations = [[NSOperationQueue alloc] init];
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// Do 10 topic operations at a time; it's enough to keep the TCP connection to the host alive,
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// saving hundreds of milliseconds on each request (compared to a serial queue).
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_topicOperations.maxConcurrentOperationCount = 10;
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}
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return self;
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}
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- (void)stopAllSubscriptionRequests {
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[self.topicOperations cancelAllOperations];
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}
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- (void)updateSubscriptionToTopic:(NSString *)topic
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withToken:(NSString *)token
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options:(NSDictionary *)options
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shouldDelete:(BOOL)shouldDelete
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handler:(FIRMessagingTopicOperationCompletion)handler {
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FIRMessagingTopicAction action = FIRMessagingTopicActionSubscribe;
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if (shouldDelete) {
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action = FIRMessagingTopicActionUnsubscribe;
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}
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FIRMessagingTopicOperation *operation =
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[[FIRMessagingTopicOperation alloc] initWithTopic:topic
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action:action
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token:token
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options:options
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completion:handler];
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[self.topicOperations addOperation:operation];
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}
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@end
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