RMLoadingTileView.m
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//
// RMTileLoadingView.m
// MapView
//
// Created by Justin R. Miller on 8/15/12.
// Copyright 2012 MapBox.
//
#import "RMLoadingTileView.h"
@implementation RMLoadingTileView
{
UIView *_contentView;
}
@synthesize mapZooming=_mapZooming;
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self)
{
RMRequireAsset(@"LoadingTile.png");
RMRequireAsset(@"LoadingTileZoom.png");
_contentView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, frame.size.width * 3, frame.size.height * 3)];
[self addSubview:_contentView];
[self setMapZooming:YES];
self.userInteractionEnabled = NO;
self.showsHorizontalScrollIndicator = NO;
self.showsVerticalScrollIndicator = NO;
}
return self;
}
- (void)dealloc
{
[_contentView release]; _contentView = nil;
[super dealloc];
}
- (void)setMapZooming:(BOOL)zooming
{
if (zooming)
{
_contentView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"LoadingTileZoom.png"]];
}
else
{
_contentView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"LoadingTile.png"]];
_contentView.frame = CGRectMake(0, 0, self.frame.size.width * 3, self.frame.size.height * 3);
self.contentSize = _contentView.bounds.size;
self.contentOffset = CGPointMake(self.frame.size.width, self.frame.size.height);
}
_mapZooming = zooming;
}
- (void)setContentOffset:(CGPoint)contentOffset
{
CGPoint newContentOffset = contentOffset;
if (newContentOffset.x > 2 * self.contentSize.width / 3)
{
newContentOffset.x = self.bounds.size.width;
}
else if (newContentOffset.x < self.contentSize.width / 3)
{
newContentOffset.x = self.bounds.size.width * 2;
}
if (newContentOffset.y > 2 * self.contentSize.height / 3)
{
newContentOffset.y = self.bounds.size.height;
}
else if (newContentOffset.y < self.contentSize.height / 3)
{
newContentOffset.y = self.bounds.size.height * 2;
}
[super setContentOffset:newContentOffset];
}
@end