HPTextViewInternal.m

//
//  HPTextViewInternal.m
//
//  Created by Hans Pinckaers on 29-06-10.
//
//	MIT License
//
//	Copyright (c) 2011 Hans Pinckaers
//
//	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 "HPTextViewInternal.h"


@implementation HPTextViewInternal

-(void)setContentOffset:(CGPoint)s
{
	if(self.tracking || self.decelerating){
		//initiated by user...
        
        UIEdgeInsets insets = self.contentInset;
        insets.bottom = 0;
        insets.top = 0;
        self.contentInset = insets;
        
	} else {

		float bottomOffset = (self.contentSize.height - self.frame.size.height + self.contentInset.bottom);
		if(s.y < bottomOffset && self.scrollEnabled){            
            UIEdgeInsets insets = self.contentInset;
            insets.bottom = 8;
            insets.top = 0;
            self.contentInset = insets;            
        }
	}
    	
	[super setContentOffset:s];
}

-(void)setContentInset:(UIEdgeInsets)s
{
	UIEdgeInsets insets = s;
	
	if(s.bottom>8) insets.bottom = 0;
	insets.top = 0;

	[super setContentInset:insets];
}

-(void)setContentSize:(CGSize)contentSize
{
    // is this an iOS5 bug? Need testing!
    if(self.contentSize.height > contentSize.height)
    {
        UIEdgeInsets insets = self.contentInset;
        insets.bottom = 0;
        insets.top = 0;
        self.contentInset = insets;
    }
    
    [super setContentSize:contentSize];
}


- (void)dealloc {
    [super dealloc];
}


@end