RMUserLocation.m
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//
// RMUserLocation.m
// MapView
//
// Copyright (c) 2008-2013, Route-Me Contributors
// 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.
//
// 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 "RMUserLocation.h"
#import "RMMarker.h"
#import "RMMapView.h"
#define kRMUserLocationAnnotationTypeName @"RMUserLocationAnnotation"
@interface RMUserLocation ()
@property (nonatomic, assign) BOOL hasCustomLayer;
@end
#pragma mark -
@implementation RMUserLocation
@synthesize updating = _updating;
@synthesize location = _location;
@synthesize heading = _heading;
@synthesize hasCustomLayer = _hasCustomLayer;
- (id)initWithMapView:(RMMapView *)aMapView coordinate:(CLLocationCoordinate2D)aCoordinate andTitle:(NSString *)aTitle
{
if ( ! (self = [super initWithMapView:aMapView coordinate:aCoordinate andTitle:aTitle]))
return nil;
self.annotationType = kRMUserLocationAnnotationTypeName;
self.clusteringEnabled = NO;
return self;
}
- (RMMapLayer *)layer
{
if ( ! super.layer)
{
if ([self.mapView.delegate respondsToSelector:@selector(mapView:layerForAnnotation:)])
super.layer = [self.mapView.delegate mapView:self.mapView layerForAnnotation:self];
if (super.layer)
self.hasCustomLayer = YES;
if ( ! super.layer)
super.layer = [[RMMarker alloc] initWithUIImage:[RMMapView resourceImageNamed:@"TrackingDot.png"]];
super.layer.zPosition = -MAXFLOAT + 2;
}
return super.layer;
}
- (BOOL)isUpdating
{
return (self.mapView.userTrackingMode != RMUserTrackingModeNone);
}
- (void)setLocation:(CLLocation *)newLocation
{
if ([newLocation distanceFromLocation:_location] && newLocation.coordinate.latitude != 0 && newLocation.coordinate.longitude != 0)
{
[self willChangeValueForKey:@"location"];
_location = newLocation;
self.coordinate = _location.coordinate;
[self didChangeValueForKey:@"location"];
}
}
- (void)setHeading:(CLHeading *)newHeading
{
if (newHeading.trueHeading != _heading.trueHeading)
{
[self willChangeValueForKey:@"heading"];
_heading = newHeading;
[self didChangeValueForKey:@"heading"];
}
}
- (BOOL)isUserLocationAnnotation
{
return YES;
}
@end