Three20 TTImageView always checks the in-memory cache *without* using any expiration age - this version solves this problem

MSImageView.m

#import "MSImageView.h"

#import <Three20Network/TTURLCache.h>
#import <Three20Network/TTURLImageResponse.h>
#import <Three20Network/TTURLRequest.h>

#import "MSGlobals.h"

@implementation MSImageView

- (void)reload {
    if (nil == _request && nil != _urlPath) {
        UIImage* image = nil;
        TTURLCache* cacheStore = [TTURLCache sharedCache];
        
        if ([cacheStore hasDataForKey:[cacheStore keyForURL:_urlPath] expires:MS_DEFAULT_IMAGE_CACHE_EXPIRATION_AGE]) {
            image = [cacheStore imageForURL:_urlPath fromDisk:NO];
            if (!image) {
                // The image can't be found in-memory so fetch the disk
                image = [UIImage imageWithData:[cacheStore dataForURL:_urlPath]];
            }
        }
        else {
            // Make sure to remove the stale image (if any) before requesting for the new one
            [cacheStore removeURL:_urlPath fromDisk:YES];
        }
        
        if (image == nil) {
            // By default the cache policy is memory + disk + network
            TTURLRequest* request = [TTURLRequest requestWithURL:_urlPath delegate:self];
            request.response = [[[TTURLImageResponse alloc] init] autorelease];
            
            if (![request send]) {
                if (_defaultImage && self.image == nil) {
                    [super setImage:_defaultImage];
                }
            }
        }
        else
            [super setImage:image];
    }
}

@end