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Diffstat (limited to 'OSX/Updater.m')
| -rw-r--r-- | OSX/Updater.m | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/OSX/Updater.m b/OSX/Updater.m deleted file mode 100644 index 6e0d3c9..0000000 --- a/OSX/Updater.m +++ /dev/null @@ -1,177 +0,0 @@ -/* xscreensaver, Copyright (c) 2013-2018 Jamie Zawinski <jwz@jwz.org> - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation. No representations are made about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * XScreenSaverUpdater.app -- downloads and installs XScreenSaver updates - * via Sparkle.framework. - * - * Created: 7-Dec-2013 - * - * NOTE: This does not work with Sparkle 1.5b6 -- it requires the "HEAD" - * version 4-Dec-2013 or later. - */ - -#define IN_UPDATER -#import "Updater.h" -#import "Sparkle/SUUpdater.h" - -@implementation XScreenSaverUpdater : NSObject - -- (void)applicationDidFinishLaunching:(NSNotification *)aNotification -{ - NSUserDefaults *defs = [NSUserDefaults standardUserDefaults]; - [defs registerDefaults:UPDATER_DEFAULTS]; - - // If it's not time to run the updater, then bail immediately. - // I'm not sure why this is necessary, but Sparkle seems to be - // checking too often. - // - if (! [self timeToCheck]) - [[NSApplication sharedApplication] terminate:self]; - - // If the screen saver is not running, then launch the updater now. - // Otherwise, wait until the screen saver deactivates, and then do - // it. This is because if the updater tries to pop up a dialog box - // while the screen saver is active, everything goes to hell and it - // never shows up. You'd expect the dialog to just map below the - // screen saver window, but no. - - if (! [self screenSaverActive]) { - [self runUpdater]; - } else { - // Run the updater when the "screensaver.didstop" notification arrives. - [[NSDistributedNotificationCenter defaultCenter] - addObserver:self - selector:@selector(saverStoppedNotification:) - name:@"com.apple.screensaver.didstop" - object:nil]; - - // But I'm not sure I trust that, so also poll every couple minutes. - timer = [NSTimer scheduledTimerWithTimeInterval: 60 * 2 - target:self - selector:@selector(pollSaverTermination:) - userInfo:nil - repeats:YES]; - } -} - - -- (BOOL) timeToCheck -{ - NSUserDefaults *defs = [NSUserDefaults standardUserDefaults]; - NSTimeInterval interval = [defs doubleForKey:@SUScheduledCheckIntervalKey]; - NSDate *last = [defs objectForKey:@SULastCheckTimeKey]; - if (!interval || !last) - return YES; - NSTimeInterval since = [[NSDate date] timeIntervalSinceDate:last]; - return (since > interval); -} - - -// Whether ScreenSaverEngine is currently running, meaning screen is blanked. -// There's no easy way to determine this other than scanning the process table. -// -- (BOOL) screenSaverActive -{ - BOOL found = NO; - NSString *target = @"/ScreenSaverEngine.app"; - ProcessSerialNumber psn = { kNoProcess, kNoProcess }; - while (GetNextProcess(&psn) == noErr) { - CFDictionaryRef cfdict = - ProcessInformationCopyDictionary (&psn, - kProcessDictionaryIncludeAllInformationMask); - if (cfdict) { - NSDictionary *dict = (NSDictionary *) cfdict; - NSString *path = [dict objectForKey:@"BundlePath"]; - if (path && [path hasSuffix:target]) - found = YES; - CFRelease (cfdict); - } - if (found) - break; - } - return found; -} - - -- (void) saverStoppedNotification:(NSNotification *)note -{ - [self runUpdater]; -} - - -- (void) pollSaverTermination:(NSTimer *)t -{ - if (! [self screenSaverActive]) - [self runUpdater]; -} - - -- (void) runUpdater -{ - if (timer) { - [timer invalidate]; - timer = nil; - } - - SUUpdater *updater = [SUUpdater updaterForBundle: - [NSBundle bundleForClass:[self class]]]; - [updater setDelegate:self]; - - // Launch the updater thread. - [updater checkForUpdatesInBackground]; - - // Now we need to wait for the Sparkle thread to finish before we can - // exit, so just poll waiting for it. - // - [NSTimer scheduledTimerWithTimeInterval:1 - target:self - selector:@selector(pollUpdaterTermination:) - userInfo:updater - repeats:YES]; -} - - -// Delegate method that lets us append extra info to the system-info URL. -// -- (NSArray *) feedParametersForUpdater:(SUUpdater *)updater - sendingSystemProfile:(BOOL)sending -{ - // Get the name of the saver that invoked us, and include that in the - // system info. - NSString *saver = [[[NSProcessInfo processInfo] environment] - objectForKey:@"XSCREENSAVER_CLASSPATH"]; - if (! saver) return @[]; - NSString *head = @"org.jwz.xscreensaver."; - if ([saver hasPrefix:head]) - saver = [saver substringFromIndex:[head length]]; - - return @[ @{ @"key": @"saver", - @"value": saver, - @"displayKey": @"Current Saver", - @"displayValue": saver - } - ]; -} - - -- (void) pollUpdaterTermination:(NSTimer *)t -{ - SUUpdater *updater = [t userInfo]; - if (![updater updateInProgress]) - [[NSApplication sharedApplication] terminate:self]; -} - - -- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)app -{ - return YES; -} - -@end |