/*  This file is adapted from GTScrollNavigationBar - https://github.com/luugiathuy/GTScrollNavigationBar
 *  3-clause BSD License
 *
 *  Copyright (c) 2013, Luu Gia Thuy
 *
 *  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.
 *
 *  * Neither the name of the {organization} nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *
 *  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 HOLDER 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 <UIKit/UIKit.h>

typedef NS_ENUM(NSInteger, GTScrollNavigationBarState) {
    GTScrollNavigationBarStateNone,
    GTScrollNavigationBarStateScrollingDown,
    GTScrollNavigationBarStateScrollingUp
};

@interface GTScrollNavigationBar : UINavigationBar

@property (strong, nonatomic) UIScrollView *scrollView;
@property (assign, nonatomic) GTScrollNavigationBarState scrollState;

- (void)resetToDefaultPositionWithAnimation:(BOOL)animated;

@end

@interface UINavigationController (GTScrollNavigationBarAdditions)

@property(strong, nonatomic, readonly) GTScrollNavigationBar *scrollNavigationBar;

@end