78 lines
1.8 KiB
Matlab
78 lines
1.8 KiB
Matlab
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// SUAppcast.m
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// Sparkle
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//
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// Created by Andy Matuschak on 3/12/06.
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// Copyright 2006 Andy Matuschak. All rights reserved.
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//
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#import "SUAppcast.h"
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#import "SUAppcastItem.h"
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#import "SUUtilities.h"
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#import "RSS.h"
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@implementation SUAppcast
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- (void)fetchAppcastFromURL:(NSURL *)url
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{
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[NSThread detachNewThreadSelector:@selector(_fetchAppcastFromURL:) toTarget:self withObject:url]; // let's not block the main thread
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}
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- (void)setDelegate:del
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{
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delegate = del;
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}
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- (void)dealloc
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{
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[items release];
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[super dealloc];
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}
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- (SUAppcastItem *)newestItem
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{
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return [items objectAtIndex:0]; // the RSS class takes care of sorting by published date, descending.
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}
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- (NSArray *)items
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{
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return items;
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}
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- (void)_fetchAppcastFromURL:(NSURL *)url
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{
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NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
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RSS *feed;
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@try
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{
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NSString *userAgent = [NSString stringWithFormat: @"%@/%@ (Mac OS X) Sparkle/1.0", SUHostAppName(), SUHostAppVersion()];
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feed = [[RSS alloc] initWithURL:url normalize:YES userAgent:userAgent];
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// Set up all the appcast items
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NSMutableArray *tempItems = [NSMutableArray array];
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id enumerator = [[feed newsItems] objectEnumerator], current;
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while ((current = [enumerator nextObject]))
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{
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[tempItems addObject:[[[SUAppcastItem alloc] initWithDictionary:current] autorelease]];
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}
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items = [[NSArray arrayWithArray:tempItems] retain];
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[feed release];
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if ([delegate respondsToSelector:@selector(appcastDidFinishLoading:)])
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[delegate performSelectorOnMainThread:@selector(appcastDidFinishLoading:) withObject:self waitUntilDone:NO];
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}
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@catch (NSException *e)
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{
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if ([delegate respondsToSelector:@selector(appcastDidFailToLoad:)])
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[delegate performSelectorOnMainThread:@selector(appcastDidFailToLoad:) withObject:self waitUntilDone:NO];
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}
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@finally
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{
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[pool release];
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}
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}
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@end
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