RMMapScrollView.m
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//
// RMMapScrollView.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 "RMMapScrollView.h"
@implementation RMMapScrollView
@synthesize mapScrollViewDelegate;
- (void)setContentOffset:(CGPoint)contentOffset
{
if (self.mapScrollViewDelegate)
[self.mapScrollViewDelegate scrollView:self correctedContentOffset:&contentOffset];
if ( ! isnan(contentOffset.x) && ! isnan(contentOffset.y))
[super setContentOffset:contentOffset];
}
- (void)setContentOffset:(CGPoint)contentOffset animated:(BOOL)animated
{
if (self.mapScrollViewDelegate)
[self.mapScrollViewDelegate scrollView:self correctedContentOffset:&contentOffset];
if ( ! isnan(contentOffset.x) && ! isnan(contentOffset.y))
[super setContentOffset:contentOffset animated:animated];
}
- (void)setContentSize:(CGSize)contentSize
{
CGFloat factor = 1.0;
if (self.mapScrollViewDelegate)
{
CGSize previousContentSize = contentSize;
[self.mapScrollViewDelegate scrollView:self correctedContentSize:&contentSize];
factor = contentSize.width / previousContentSize.width;
}
[super setContentSize:contentSize];
if (factor != 1.0)
self.zoomScale *= factor;
}
@end