83 lines
2.2 KiB
Plaintext
83 lines
2.2 KiB
Plaintext
// This file Copyright © Transmission authors and contributors.
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// It may be used under the MIT (SPDX: MIT) license.
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// License text can be found in the licenses/ folder.
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#import "BlocklistScheduler.h"
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#import "BlocklistDownloader.h"
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//thirty second delay before running after option is changed
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static NSTimeInterval const kSmallDelay = 30;
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//update one week after previous update
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static NSTimeInterval const kFullWait = 60 * 60 * 24 * 7;
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@interface BlocklistScheduler ()
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@property(nonatomic) NSTimer* fTimer;
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@end
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@implementation BlocklistScheduler
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BlocklistScheduler* fScheduler = nil;
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+ (BlocklistScheduler*)scheduler
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{
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if (!fScheduler)
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{
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fScheduler = [[BlocklistScheduler alloc] init];
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}
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return fScheduler;
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}
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- (void)updateSchedule
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{
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if (BlocklistDownloader.isRunning)
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return;
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[self cancelSchedule];
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NSString* blocklistURL;
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if (![NSUserDefaults.standardUserDefaults boolForKey:@"BlocklistNew"] ||
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!((blocklistURL = [NSUserDefaults.standardUserDefaults stringForKey:@"BlocklistURL"]) && ![blocklistURL isEqualToString:@""]) ||
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![NSUserDefaults.standardUserDefaults boolForKey:@"BlocklistAutoUpdate"])
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{
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return;
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}
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NSDate* lastUpdateDate = [NSUserDefaults.standardUserDefaults objectForKey:@"BlocklistNewLastUpdate"];
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if (lastUpdateDate)
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{
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lastUpdateDate = [lastUpdateDate dateByAddingTimeInterval:kFullWait];
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}
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NSDate* closeDate = [NSDate dateWithTimeIntervalSinceNow:kSmallDelay];
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NSDate* useDate = lastUpdateDate ? [lastUpdateDate laterDate:closeDate] : closeDate;
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self.fTimer = [[NSTimer alloc] initWithFireDate:useDate interval:0 target:self selector:@selector(runUpdater) userInfo:nil
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repeats:NO];
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//current run loop usually means a second update won't work
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NSRunLoop* loop = NSRunLoop.mainRunLoop;
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[loop addTimer:self.fTimer forMode:NSDefaultRunLoopMode];
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[loop addTimer:self.fTimer forMode:NSModalPanelRunLoopMode];
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[loop addTimer:self.fTimer forMode:NSEventTrackingRunLoopMode];
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}
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- (void)cancelSchedule
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{
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[self.fTimer invalidate];
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self.fTimer = nil;
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}
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#pragma mark - Private
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- (void)runUpdater
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{
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self.fTimer = nil;
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[BlocklistDownloader downloader];
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}
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@end
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