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MKMapView+MTLocation.m
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MKMapView+MTLocation.m
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//
// MKMapVIew+MTLocation.m
//
// Created by Matthias Tretter on 02.03.11.
// Copyright (c) 2009-2011 Matthias Tretter, @myell0w. All rights reserved.
//
// 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 "MKMapView+MTLocation.h"
#import "MTLocation.h"
#import <objc/runtime.h>
#define kDefaultGoogleBadgeOriginX 12
#define kDefaultGoogleBadgeYOffset 27
static char headingAngleViewKey;
@implementation MKMapView (MTLocation)
////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Adding Overlay Views
////////////////////////////////////////////////////////////////////////
- (void)sizeToFitTrackingModeFollowWithHeading {
CGRect newFrame = self.frame;
CGRect bounds = self.superview.bounds;
// pythagoras ftw.
CGFloat superviewDiagonal = ceilf(sqrtf(bounds.size.width * bounds.size.width + bounds.size.height * bounds.size.height));
// set new size of frame
newFrame.size.width = superviewDiagonal + 5.f;
newFrame.size.height = superviewDiagonal + 5.f;
self.frame = newFrame;
// center in superview
self.center = self.superview.center;
self.frame = CGRectIntegral(self.frame);
}
- (void)addGoogleBadge {
CGPoint p;
p.x = kDefaultGoogleBadgeOriginX;
p.y = self.superview.frame.origin.y + self.superview.frame.size.height - kDefaultGoogleBadgeYOffset;
[self addGoogleBadgeAtPoint:p];
}
- (void)addGoogleBadgeAtPoint:(CGPoint)topLeftOfGoogleBadge {
UIImageView *googleView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"GoogleBadge.png"]] autorelease];
googleView.tag = kMTLocationGoogleBadgeTag;
googleView.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleRightMargin;
googleView.frame = CGRectMake(topLeftOfGoogleBadge.x, topLeftOfGoogleBadge.y,
googleView.frame.size.width, googleView.frame.size.height);
[self.superview addSubview:googleView];
}
- (void)addHeadingAngleView {
UIImageView *headingAngleView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"HeadingAngleSmall.png"]] autorelease];
headingAngleView.hidden = YES;
headingAngleView.tag = kMTLocationHeadingViewTag;
// add to superview
[self.superview addSubview:headingAngleView];
// add as associated object to MapView
objc_setAssociatedObject(self, &headingAngleViewKey, headingAngleView, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
- (void)showHeadingAngleView {
id headingAngleView = objc_getAssociatedObject(self, &headingAngleViewKey);
[headingAngleView setHidden:NO];
}
- (void)hideHeadingAngleView {
id headingAngleView = objc_getAssociatedObject(self, &headingAngleViewKey);
[headingAngleView setHidden:YES];
}
- (void)moveHeadingAngleViewToCoordinate:(CLLocationCoordinate2D)coordinate {
CGPoint center = [self convertCoordinate:coordinate toPointToView:self.superview];
id headingAngleView = objc_getAssociatedObject(self, &headingAngleViewKey);
center.y -= [headingAngleView frame].size.height/2 + 8;
[headingAngleView setCenter:center];
}
////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Rotation (Heading information)
////////////////////////////////////////////////////////////////////////
- (void)rotateToHeading:(CLHeading *)heading {
[self rotateToHeading:heading animated:YES];
}
- (void)rotateToHeading:(CLHeading *)heading animated:(BOOL)animated {
MTRotateViewToHeading(self, heading, animated);
}
- (void)resetHeadingRotation {
[self resetHeadingRotationAnimated:YES];
}
- (void)resetHeadingRotationAnimated:(BOOL)animated {
MTResetViewRotation(self, animated);
}
@end