source: trunk/macosx/BlocklistScheduler.m @ 8227

Last change on this file since 8227 was 7659, checked in by livings124, 13 years ago

update the Mac code's copyright dates

  • Property svn:keywords set to Date Rev Author Id
File size: 3.1 KB
Line 
1/******************************************************************************
2 * $Id: BlocklistScheduler.m 7659 2009-01-10 23:37:37Z livings124 $
3 *
4 * Copyright (c) 2008-2009 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#import "BlocklistScheduler.h"
26#import "BlocklistDownloader.h"
27
28//thirty second delay before running after option is changed
29#define SMALL_DELAY 30
30
31//update one week after previous update
32#define FULL_WAIT (60 * 60 * 24 * 7)
33
34@interface BlocklistScheduler (Private)
35
36- (void) runUpdater;
37
38@end
39
40@implementation BlocklistScheduler
41
42BlocklistScheduler * fScheduler = nil;
43+ (BlocklistScheduler *) scheduler
44{
45    if (!fScheduler)
46        fScheduler = [[BlocklistScheduler alloc] init];
47   
48    return fScheduler;
49}
50
51- (void) updateSchedule
52{
53    if ([BlocklistDownloader isRunning])
54        return;
55   
56    [self cancelSchedule];
57   
58    if (![[NSUserDefaults standardUserDefaults] boolForKey: @"Blocklist"]
59        || ![[NSUserDefaults standardUserDefaults] boolForKey: @"BlocklistAutoUpdate"])
60        return;
61   
62    NSDate * lastUpdateDate = [[NSUserDefaults standardUserDefaults] objectForKey: @"BlocklistLastUpdate"];
63    if (lastUpdateDate)
64        lastUpdateDate = [lastUpdateDate addTimeInterval: FULL_WAIT];
65    NSDate * closeDate = [NSDate dateWithTimeIntervalSinceNow: SMALL_DELAY];
66   
67    NSDate * useDate = lastUpdateDate ? [lastUpdateDate laterDate: closeDate] : closeDate;
68   
69    fTimer = [[NSTimer alloc] initWithFireDate: useDate interval: 0 target: self selector: @selector(runUpdater)
70                userInfo: nil repeats: NO];
71   
72    //current run loop usually means a second update won't work
73    NSRunLoop * loop = [NSRunLoop mainRunLoop];
74    [loop addTimer: fTimer forMode: NSDefaultRunLoopMode];
75    [loop addTimer: fTimer forMode: NSModalPanelRunLoopMode];
76    [loop addTimer: fTimer forMode: NSEventTrackingRunLoopMode];
77}
78
79- (void) cancelSchedule
80{
81    [fTimer invalidate];
82    fTimer = nil;
83}
84
85@end
86
87@implementation BlocklistScheduler (Private)
88
89- (void) runUpdater
90{
91    fTimer = nil;
92    [BlocklistDownloader downloader];
93}
94
95@end
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