93 lines
3.2 KiB
Objective-C
93 lines
3.2 KiB
Objective-C
/*
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* Copyright [2019] [Doric.Pub]
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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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//
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// Created by pengfei.zhou on 2020/1/8.
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//
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#import "DoricNotificationPlugin.h"
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@interface DoricNotificationPlugin ()
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@property(nonatomic, strong) NSMutableDictionary<NSString *, id> *observers;
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@end
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@implementation DoricNotificationPlugin
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- (NSMutableDictionary *)observers {
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if (!_observers) {
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_observers = [NSMutableDictionary new];
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}
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return _observers;
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}
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- (void)publish:(NSDictionary *)dic withPromise:(DoricPromise *)promise {
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NSString *biz = dic[@"biz"];
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NSString *name = dic[@"name"];
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if (biz) {
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name = [NSString stringWithFormat:@"__doric__%@#%@", biz, name];
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}
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NSString *data = dic[@"data"];
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NSDictionary *dataDic = nil;
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if (data) {
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NSData *jsonData = [data dataUsingEncoding:NSUTF8StringEncoding];
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NSError *err;
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dataDic = [NSJSONSerialization JSONObjectWithData:jsonData
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options:NSJSONReadingMutableContainers
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error:&err];
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}
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[[NSNotificationCenter defaultCenter] postNotificationName:name object:nil userInfo:dataDic];
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[promise resolve:nil];
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}
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- (void)subscribe:(NSDictionary *)dic withPromise:(DoricPromise *)promise {
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NSString *biz = dic[@"biz"];
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NSString *name = dic[@"name"];
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if (biz) {
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name = [NSString stringWithFormat:@"__doric__%@#%@", biz, name];
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}
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NSString *callbackId = dic[@"callback"];
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__weak typeof(self) _self = self;
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id observer = [[NSNotificationCenter defaultCenter]
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addObserverForName:name
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object:nil
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queue:[NSOperationQueue mainQueue]
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usingBlock:^(NSNotification *note) {
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__strong typeof(_self) self = _self;
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DoricPromise *currentPromise = [[DoricPromise alloc] initWithContext:self.doricContext callbackId:callbackId];
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[currentPromise resolve:note.userInfo];
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}];
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self.observers[callbackId] = observer;
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[promise resolve:callbackId];
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}
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- (void)unsubscribe:(NSString *)subscribeId withPromise:(DoricPromise *)promise {
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id observer = self.observers[subscribeId];
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if (observer) {
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[[NSNotificationCenter defaultCenter] removeObserver:observer];
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[self.observers removeObjectForKey:subscribeId];
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}
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[promise resolve:nil];
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}
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- (void)dealloc {
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[self.observers enumerateKeysAndObjectsUsingBlock:^(NSString *key, id obj, BOOL *stop) {
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[[NSNotificationCenter defaultCenter] removeObserver:obj];
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}];
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[self.observers removeAllObjects];
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}
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@end
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