added iOS source code
[wl-app.git] / iOS / Pods / FirebaseMessaging / Firebase / Messaging / FIRMessagingRegistrar.m
diff --git a/iOS/Pods/FirebaseMessaging/Firebase/Messaging/FIRMessagingRegistrar.m b/iOS/Pods/FirebaseMessaging/Firebase/Messaging/FIRMessagingRegistrar.m
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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 "FIRMessagingRegistrar.h"
+
+#import "FIRMessagingDefines.h"
+#import "FIRMessagingLogger.h"
+#import "FIRMessagingPubSubRegistrar.h"
+#import "FIRMessagingUtilities.h"
+#import "NSError+FIRMessaging.h"
+
+@interface FIRMessagingRegistrar ()
+
+@property(nonatomic, readwrite, assign) BOOL stopAllSubscriptions;
+
+@property(nonatomic, readwrite, strong) FIRMessagingCheckinService *checkinService;
+@property(nonatomic, readwrite, strong) FIRMessagingPubSubRegistrar *pubsubRegistrar;
+
+@end
+
+@implementation FIRMessagingRegistrar
+
+- (NSString *)deviceAuthID {
+  return self.checkinService.deviceAuthID;
+}
+
+- (NSString *)secretToken {
+  return self.checkinService.secretToken;
+}
+
+- (instancetype)init {
+  self = [super init];
+  if (self) {
+    _checkinService = [[FIRMessagingCheckinService alloc] init];
+    // TODO(chliangGoogle): Merge pubsubRegistrar with Registrar as it is hard to track how many
+    // checkinService instances by separating classes too often.
+    _pubsubRegistrar = [[FIRMessagingPubSubRegistrar alloc] initWithCheckinService:_checkinService];
+  }
+  return self;
+}
+
+#pragma mark - Checkin
+
+- (BOOL)tryToLoadValidCheckinInfo {
+  [self.checkinService tryToLoadPrefetchedCheckinPreferences];
+  return [self.checkinService hasValidCheckinInfo];
+}
+
+#pragma mark - Subscribe/Unsubscribe
+
+- (void)updateSubscriptionToTopic:(NSString *)topic
+                        withToken:(NSString *)token
+                          options:(NSDictionary *)options
+                     shouldDelete:(BOOL)shouldDelete
+                          handler:(FIRMessagingTopicOperationCompletion)handler {
+  _FIRMessagingDevAssert(handler, @"Invalid nil handler");
+
+  if ([self tryToLoadValidCheckinInfo]) {
+    [self doUpdateSubscriptionForTopic:topic
+                                 token:token
+                               options:options
+                          shouldDelete:shouldDelete
+                            completion:handler];
+
+  } else {
+    FIRMessagingLoggerDebug(kFIRMessagingMessageCodeRegistrar000,
+                            @"Device check in error, no auth credentials found");
+    NSError *error = [NSError errorWithFCMErrorCode:kFIRMessagingErrorCodeMissingDeviceID];
+    handler(error);
+  }
+}
+
+- (void)cancelAllRequests {
+  self.stopAllSubscriptions = YES;
+  [self.pubsubRegistrar stopAllSubscriptionRequests];
+}
+
+#pragma mark - Private
+
+- (void)doUpdateSubscriptionForTopic:(NSString *)topic
+                               token:(NSString *)token
+                             options:(NSDictionary *)options
+                        shouldDelete:(BOOL)shouldDelete
+                          completion:(FIRMessagingTopicOperationCompletion)completion {
+  _FIRMessagingDevAssert([self.checkinService hasValidCheckinInfo],
+                @"No valid checkin info found before subscribe");
+
+  [self.pubsubRegistrar updateSubscriptionToTopic:topic
+                                        withToken:token
+                                          options:options
+                                     shouldDelete:shouldDelete
+                                          handler:completion];
+}
+
+@end