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/*
* Copyright 2017 Google * * 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. */
#import <Foundation/Foundation.h>
/**
* Register the device with Checkin Service and get back the `authID`, `secret token` etc. for the * client. Checkin results are cached in the `FIRMessagingDefaultsManager` and periodically refreshed to * prevent them from being stale. Each client needs to register with checkin before registering * with FIRMessaging. */@interface FIRMessagingCheckinService : NSObject
@property(nonatomic, readonly, strong) NSString *deviceAuthID;@property(nonatomic, readonly, strong) NSString *secretToken;@property(nonatomic, readonly, strong) NSString *versionInfo;@property(nonatomic, readonly, assign) BOOL hasValidCheckinInfo;
/**
* Verify if valid checkin preferences have been loaded in memory. * * @return YES if valid checkin preferences exist in memory else NO. */- (BOOL)hasValidCheckinInfo;
/**
* Try to load prefetched checkin preferences from the cache. This supports the use case where * InstanceID library has already obtained a valid checkin and we should be using that. * * This should be used as a last gasp effort to retreive any cached checkin preferences before * hitting the FIRMessaging backend to retrieve new preferences. * * Note this is only required because InstanceID and FIRMessaging both require checkin preferences which * need to be synced with each other. * * @return YES if successfully loaded cached checkin preferences into memory else NO. */- (BOOL)tryToLoadPrefetchedCheckinPreferences;
@end
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