mirror of
https://github.com/firebase/firebase-ios-sdk
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53 lines
1.8 KiB
Objective-C
53 lines
1.8 KiB
Objective-C
/*
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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 <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Represents the action taken on a subscription topic.
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*/
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typedef NS_ENUM(NSInteger, FIRMessagingTopicAction) {
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FIRMessagingTopicActionSubscribe,
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FIRMessagingTopicActionUnsubscribe
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};
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/**
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* Represents the possible results of a topic operation.
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*/
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typedef NS_ENUM(NSInteger, FIRMessagingTopicOperationResult) {
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FIRMessagingTopicOperationResultSucceeded,
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FIRMessagingTopicOperationResultError,
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FIRMessagingTopicOperationResultCancelled,
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};
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/**
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* Callback to invoke once the HTTP call to FIRMessaging backend for updating
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* subscription finishes.
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*
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* @param result The result of the operation. If the result is
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* FIRMessagingTopicOperationResultError, the error parameter will be
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* non-nil.
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* @param error The error which occurred while updating the subscription topic
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* on the FIRMessaging server. This will be nil in case the operation
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* was successful, or if the operation was cancelled.
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*/
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typedef void(^FIRMessagingTopicOperationCompletion)
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(FIRMessagingTopicOperationResult result, NSError * _Nullable error);
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NS_ASSUME_NONNULL_END
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