/
TwitterAvatarURLManager.m
96 lines (77 loc) · 2.33 KB
/
TwitterAvatarURLManager.m
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// LimeChat is copyrighted free software by Satoshi Nakagawa <psychs AT limechat DOT net>.
// You can redistribute it and/or modify it under the terms of the GPL version 2 (see the file GPL.txt).
#import "TwitterAvatarURLManager.h"
#import "TwitterImageURLClient.h"
@implementation TwitterAvatarURLManager
- (id)init
{
self = [super init];
if (self) {
connections = [NSMutableDictionary new];
imageUrls = [NSMutableDictionary new];
}
return self;
}
+ (TwitterAvatarURLManager*)instance
{
static TwitterAvatarURLManager *instance = nil;
if (!instance) {
instance = [self new];
}
return instance;
}
- (void)dealloc
{
for (TwitterImageURLClient* c in connections) {
[c cancel];
}
[connections release];
[imageUrls release];
[super dealloc];
}
- (NSString*)imageURLForTwitterScreenName:(NSString*)screenName
{
return [imageUrls objectForKey:screenName];
}
- (BOOL)fetchImageURLForTwitterScreenName:(NSString*)screenName
{
if (!screenName.length) {
return NO;
}
NSString* url = [imageUrls objectForKey:screenName];
if (url) {
return NO;
}
if ([connections objectForKey:screenName]) {
return NO;
}
TwitterImageURLClient *client = [[TwitterImageURLClient new] autorelease];
client.delegate = self;
client.screenName = screenName;
[connections setObject:client forKey:screenName];
[client getImageURL];
return YES;
}
#pragma mark -
#pragma mark TwitterImageURLClientDelegate
- (void)twitterImageURLClient:(TwitterImageURLClient*)sender didGetImageURL:(NSString*)imageUrl
{
[[sender retain] autorelease];
[connections removeObjectForKey:sender];
NSString* screenName = sender.screenName;
if (screenName.length && imageUrl.length) {
[imageUrls setObject:imageUrl forKey:screenName];
[[NSNotificationCenter defaultCenter] postNotificationName:TwitterAvatarURLManagerDidGetImageURLNotification object:screenName];
}
}
- (void)twitterImageURLClientDidReceiveBadURL:(TwitterImageURLClient*)sender
{
[[sender retain] autorelease];
[connections removeObjectForKey:sender];
}
- (void)twitterImageURLClient:(TwitterImageURLClient*)sender didFailWithError:(NSString*)error
{
[[sender retain] autorelease];
[connections removeObjectForKey:sender];
}
@end