mirror of
https://github.com/google/promises
synced 2026-11-09 22:26:00 +05:45
79 lines
2.3 KiB
Objective-C
79 lines
2.3 KiB
Objective-C
/**
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Copyright 2018 Google Inc. All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#import "FBLPromiseProgressPrivate.h"
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#import "FBLPromise.h"
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@implementation FBLPromiseProgress {
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FBLPromise __weak *_promise;
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NSHashTable<FBLPromiseProgress *> *_syncProgresses;
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}
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- (instancetype)initWithParent:(NSProgress *)parentProgressOrNil
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userInfo:(NSDictionary<NSProgressUserInfoKey,id> *)userInfoOrNil {
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self = [super initWithParent:parentProgressOrNil userInfo:userInfoOrNil];
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if (self) {
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NSPointerFunctionsOptions options =
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NSPointerFunctionsWeakMemory | NSPointerFunctionsObjectPersonality;
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_syncProgresses = [[NSHashTable alloc] initWithOptions:options capacity:1];
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}
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return self;
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}
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- (void)addSyncProgress:(FBLPromiseProgress *)progress {
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@synchronized(self) {
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[_syncProgresses addObject:progress];
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}
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}
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#pragma mark NSProgress
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- (void)setCompletedUnitCount:(int64_t)completedUnitCount {
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@synchronized(self) {
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super.completedUnitCount = completedUnitCount;
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for (FBLPromiseProgress *progress in _syncProgresses) {
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progress.completedUnitCount = completedUnitCount;
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}
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}
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}
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- (void)setTotalUnitCount:(int64_t)totalUnitCount {
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@synchronized(self) {
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super.totalUnitCount = totalUnitCount;
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for (FBLPromiseProgress *progress in _syncProgresses) {
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progress.totalUnitCount = totalUnitCount;
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}
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}
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}
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- (void)cancel {
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@synchronized(self) {
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if (!self.isCancelled) {
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[super cancel];
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for (FBLPromiseProgress *progress in _syncProgresses) {
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progress.cancellationHandler = nil;
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[progress cancel];
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}
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}
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[_promise reject:[[NSError alloc] initWithDomain:FBLPromiseErrorDomain
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code:FBLPromiseErrorCodeCancelled
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userInfo:nil]];
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}
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}
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@end
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