Don't allow task count to go below zero.

TransitApp · Jun 2, 2013 · 98ccae4 · 98ccae4
1 parent fd0cfa1
commit 98ccae4
Showing 1 changed file with 8 additions and 8 deletions.
diff --git a/SVHTTPRequest/SVHTTPRequest.m b/SVHTTPRequest/SVHTTPRequest.m
@@ -29,7 +29,7 @@ - (NSString*)encodedURLParameterString;
 
 typedef NSUInteger SVHTTPRequestState;
 
-static NSUInteger taskCount = 0;
+static NSInteger SVHTTPRequestTaskCount = 0;
 static NSString *defaultUserAgent;
 static NSTimeInterval SVHTTPRequestTimeoutInterval = 20;
 
@@ -103,20 +103,20 @@ - (NSUInteger)timeoutInterval {
     return _timeoutInterval;
 }
 
-- (void)increaseTaskCount {
-    taskCount++;
+- (void)increaseSVHTTPRequestTaskCount {
+    SVHTTPRequestTaskCount++;
     [self toggleNetworkActivityIndicator];
 }
 
-- (void)decreaseTaskCount {
-    taskCount--;
+- (void)decreaseSVHTTPRequestTaskCount {
+    SVHTTPRequestTaskCount = MAX(0, SVHTTPRequestTaskCount-1);
     [self toggleNetworkActivityIndicator];
 }
 
 - (void)toggleNetworkActivityIndicator {
 #if TARGET_OS_IPHONE
     dispatch_async(dispatch_get_main_queue(), ^{
-        [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:(taskCount > 0)];
+        [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:(SVHTTPRequestTaskCount > 0)];
     });
 #endif
 }
@@ -351,7 +351,7 @@ - (void)start {
 #endif
 
     dispatch_async(dispatch_get_main_queue(), ^{
-        [self increaseTaskCount];
+        [self increaseSVHTTPRequestTaskCount];
     });
 
     if(self.operationParameters)
@@ -405,7 +405,7 @@ - (void)finish {
     [self.operationConnection cancel];
     self.operationConnection = nil;
 
-    [self decreaseTaskCount];
+    [self decreaseSVHTTPRequestTaskCount];
 
 #if TARGET_OS_IPHONE
     if(self.backgroundTaskIdentifier != UIBackgroundTaskInvalid) {