TLLocationMaster.h

//
//  TLLocationMaster.h
//  TrailLocation
//
//  Created by Nathan Vander Wilt on 7/9/09.
//  Copyright 2009 Calf Trail Software, LLC. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Calf Trail Software, LLC nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//

#import <Foundation/Foundation.h>

#import "TLLocationSource.h"
@class CLLocationManager;


@interface TLLocationMaster : NSObject {
@private
	NSCountedSet* locationSources;
	NSMutableSet* activeManagers;	// added when start/stop
	BOOL requestsLocationUpdates;
	CLLocationAccuracy desiredAccuracy;
	CLLocationDistance distanceFilter;
	BOOL requestsHeadingUpdates;
	CLLocationDegrees headingFilter;
}

+ (id)defaultMaster;
+ (void)setDefaultMaster:(id)newDefaultMaster;


// these are for memory management convenience
@property (nonatomic, readonly) NSSet* locationSources;
- (void)addLocationSource:(id <TLLocationSource>)newSource;
- (void)removeLocationSource:(id <TLLocationSource>)oldSource;

@end