cog/Frameworks/Sparkle/SUStatusChecker.m

79 lines
1.7 KiB
Objective-C
Executable File

//
// SUStatusChecker.m
// Sparkle
//
// Created by Evan Schoenberg on 7/6/06.
//
#import "SUStatusChecker.h"
#import "SUAppcast.h"
#import "SUAppcastItem.h"
@interface SUStatusChecker (Private)
- (id)initForDelegate:(id<SUStatusCheckerDelegate>)inDelegate;
- (void)checkForUpdatesAndNotify:(BOOL)verbosity;
- (BOOL)newVersionAvailable;
@end;
@implementation SUStatusChecker
+ (SUStatusChecker *)statusCheckerForDelegate:(id<SUStatusCheckerDelegate>)inDelegate;
{
SUStatusChecker *statusChecker = [[self alloc] initForDelegate:inDelegate];
return [statusChecker autorelease];
}
- (id)initForDelegate:(id<SUStatusCheckerDelegate>)inDelegate
{
[super init];
scDelegate = [inDelegate retain];
[self checkForUpdatesAndNotify:NO];
return self;
}
- (void)dealloc
{
[scDelegate release]; scDelegate = nil;
[super dealloc];
}
- (void)applicationDidFinishLaunching:(NSNotification *)note
{
//Take no action when the application finishes launching
}
- (void)appcastDidFinishLoading:(SUAppcast *)ac
{
@try
{
if (!ac) { [NSException raise:@"SUAppcastException" format:@"Couldn't get a valid appcast from the server."]; }
updateItem = [[ac newestItem] retain];
[ac autorelease];
if (![updateItem fileVersion])
{
[NSException raise:@"SUAppcastException" format:@"Can't extract a version string from the appcast feed. The filenames should look like YourApp_1.5.tgz, where 1.5 is the version number."];
}
[scDelegate statusChecker:self
foundVersion:[updateItem fileVersion]
isNewVersion:[self newVersionAvailable]];
}
@catch (NSException *e)
{
NSLog(@"%@", [e reason]);
[scDelegate statusChecker:self foundVersion:nil isNewVersion:NO];
}
updateInProgress = NO;
}
@end