64 lines
1.7 KiB
Objective-C
64 lines
1.7 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 2020/3/25.
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//
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#import "DoricJSDispatcher.h"
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@interface DoricJSDispatcher ()
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@property(nonatomic, strong) NSMutableArray <DoricAsyncResult *(^)(void)> *blocks;
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@property(nonatomic, assign) BOOL consuming;
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@end
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@implementation DoricJSDispatcher
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- (void)dispatch:(DoricAsyncResult *(^)(void))block {
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if (!self.blocks) {
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self.blocks = [@[block] mutableCopy];
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} else {
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if (self.blocks.count > 0) {
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[self.blocks removeAllObjects];
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}
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[self.blocks insertObject:block atIndex:0];
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}
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if (!self.consuming) {
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[self consume];
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}
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}
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- (void)consume {
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DoricAsyncResult *(^block )(void) = self.blocks.lastObject;
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if (block) {
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self.consuming = YES;
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[self.blocks removeLastObject];
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DoricAsyncResult *result = block();
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__weak typeof(self) __self = self;
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result.finishCallback = ^{
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dispatch_async(dispatch_get_main_queue(), ^{
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__strong typeof(__self) self = __self;
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[self consume];
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});
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};
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} else {
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self.consuming = NO;
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}
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}
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- (void)clear {
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[self.blocks removeAllObjects];
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}
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@end
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