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iOS:fix Collection <__NSDictionaryM: XX> was mutated while being enumerated

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pengfei.zhou 2020-04-18 14:07:32 +08:00 committed by osborn
parent a386c548ec
commit 4376e37836
1 changed files with 11 additions and 7 deletions
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18
doric-iOS/Pod/Classes/Plugin/DoricNotificationPlugin.m
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@ -21,14 +21,14 @@
@interface DoricNotificationPlugin ()
@property(nonatomic, strong) NSMutableDictionary<NSString *, id> *observers;
@property(nonatomic, copy) NSDictionary<NSString *, id> *observers;
@end
@implementation DoricNotificationPlugin
- (NSMutableDictionary *)observers {
- (NSDictionary *)observers {
if (!_observers) {
_observers = [NSMutableDictionary new];
_observers = [NSDictionary new];
}
return _observers;
}
@ -69,7 +69,9 @@ - (void)subscribe:(NSDictionary *)dic withPromise:(DoricPromise *)promise {
DoricPromise *currentPromise = [[DoricPromise alloc] initWithContext:self.doricContext callbackId:callbackId];
[currentPromise resolve:note.userInfo];
}];
self.observers[callbackId] = observer;
NSMutableDictionary *mutableDictionary = [self.observers mutableCopy];
mutableDictionary[callbackId] = observer;
self.observers = mutableDictionary;
[promise resolve:callbackId];
}
@ -77,16 +79,18 @@ - (void)unsubscribe:(NSString *)subscribeId withPromise:(DoricPromise *)promise
id observer = self.observers[subscribeId];
if (observer) {
[[NSNotificationCenter defaultCenter] removeObserver:observer];
[self.observers removeObjectForKey:subscribeId];
NSMutableDictionary *mutableDictionary = [self.observers mutableCopy];
[mutableDictionary removeObjectForKey:subscribeId];
self.observers = mutableDictionary;
}
[promise resolve:nil];
}
- (void)dealloc {
[self.observers enumerateKeysAndObjectsUsingBlock:^(NSString *key, id obj, BOOL *stop) {
NSDictionary *dictionary = self.observers;
[dictionary enumerateKeysAndObjectsUsingBlock:^(NSString *key, id obj, BOOL *stop) {
[[NSNotificationCenter defaultCenter] removeObserver:obj];
}];
[self.observers removeAllObjects];
}
@end