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Merge Request Queue (See issue #75):

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* Introduces RKRequestCache for cacheing responses (supports ETag conditional GET, use cache if available, use cache on error, etc.) closes #75
    * Updates to Three20 layer to eliminate need for intermediary TTTableItem classes closes #76
    * Fixes to ensure iOS 3.x compatability:
        * Switched compiler to Clang
        * Updated conditional checks for UIBackgroundTask symbols to ensure runtime safety on iOS 3.x
        * Removed unnecessary linkage against UIKit and CoreFoundation from library targets
    * Fix for issue where RKRequest objects could become stuck in infinite loop within RKRequestQueue loadNextInQueue if you start
      a request and then cancel immediately. On cancel only decrement loadCount if the request has start loading. refs #122
This commit is contained in:
Blake Watters
2011-06-08 14:39:38 -04:00
parent 9416ad9cf6
commit f2ceefa012
42 changed files with 1829 additions and 268 deletions
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25
Code/Network/RKRequestQueue.m
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@@ -70,14 +70,17 @@ static const NSTimeInterval kFlushDelay = 0.3;
name:RKRequestFailedWithErrorNotification
object:nil];
#if TARGET_OS_IPHONE
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(willTransitionToBackground)
name:UIApplicationDidEnterBackgroundNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(willTransitionToForeground)
name:UIApplicationWillEnterForegroundNotification
object:nil];
BOOL backgroundOK = &UIApplicationDidEnterBackgroundNotification != NULL;
if (backgroundOK) {
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(willTransitionToBackground)
name:UIApplicationDidEnterBackgroundNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(willTransitionToForeground)
name:UIApplicationWillEnterForegroundNotification
object:nil];
}
#endif
}
return self;
@@ -145,9 +148,9 @@ static const NSTimeInterval kFlushDelay = 0.3;
}
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
_queueTimer = nil;
NSArray* requestsCopy = [NSArray arrayWithArray:_requests];
for (RKRequest* request in requestsCopy) {
if (![request isLoading] && ![request isLoaded] && self.loadingCount < _concurrentRequestsLimit) {
@@ -187,7 +190,7 @@ static const NSTimeInterval kFlushDelay = 0.3;
}
_suspended = isSuspended;
if (!_suspended) {
[self loadNextInQueue];
} else if (_queueTimer) {