AFNetworking/AFNetworking/AFNetworkActivityIndicatorManager.m
Mattt Thompson e76262c275 Adding enabled @property to AFNetworkActivityIndicatorManager
Decoupling AFNetworkActivityIndicatorManager from AFHTTPRequestOperation, by using notifications instead of directly incrementing and decrementing the activity count

Initializing the network activity indicator in App Delegate
2011-09-23 15:01:19 -05:00

85 lines
2.8 KiB
Objective-C

// AFNetworkActivityIndicatorManager.m
//
// Copyright (c) 2011 Gowalla (http://gowalla.com/)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import "AFNetworkActivityIndicatorManager.h"
#import "AFHTTPRequestOperation.h"
@interface AFNetworkActivityIndicatorManager ()
@property (readwrite, nonatomic, assign) NSInteger activityCount;
@end
@implementation AFNetworkActivityIndicatorManager
@synthesize activityCount = _activityCount;
@synthesize enabled = _enabled;
+ (AFNetworkActivityIndicatorManager *)sharedManager {
static AFNetworkActivityIndicatorManager *_sharedManager = nil;
static dispatch_once_t oncePredicate;
dispatch_once(&oncePredicate, ^{
_sharedManager = [[self alloc] init];
});
return _sharedManager;
}
- (id)init {
self = [super init];
if (!self) {
return nil;
}
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(incrementActivityCount) name:AFHTTPOperationDidStartNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(decrementActivityCount) name:AFHTTPOperationDidFinishNotification object:nil];
return self;
}
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
- (void)setActivityCount:(NSInteger)activityCount {
[self willChangeValueForKey:@"activityCount"];
_activityCount = MAX(activityCount, 0);
[self didChangeValueForKey:@"activityCount"];
if (self.enabled) {
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:self.activityCount > 0];
}
}
- (void)incrementActivityCount {
@synchronized(self) {
self.activityCount += 1;
}
}
- (void)decrementActivityCount {
@synchronized(self) {
self.activityCount -= 1;
}
}
@end