/************************************************************
 *  * Hyphenate CONFIDENTIAL
 * __________________
 * Copyright (C) 2016 Hyphenate Inc. All rights reserved.
 *
 * NOTICE: All information contained herein is, and remains
 * the property of Hyphenate Inc.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Hyphenate Inc.
 */

#import "UIViewController+DismissKeyboard.h"

@implementation UIViewController (DismissKeyboard)

- (void)setupForDismissKeyboard
{
    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
    UITapGestureRecognizer *singleTapGR =
    [[UITapGestureRecognizer alloc] initWithTarget:self
                                            action:@selector(tapAnywhereToDismissKeyboard:)];
    
    __weak UIViewController *weakSelf = self;
    
    NSOperationQueue *mainQuene =[NSOperationQueue mainQueue];
    [nc addObserverForName:UIKeyboardWillShowNotification
                    object:nil
                     queue:mainQuene
                usingBlock:^(NSNotification *note){
                    [weakSelf.view addGestureRecognizer:singleTapGR];
                }];
    [nc addObserverForName:UIKeyboardWillHideNotification
                    object:nil
                     queue:mainQuene
                usingBlock:^(NSNotification *note){
                    [weakSelf.view removeGestureRecognizer:singleTapGR];
                }];
}

- (void)tapAnywhereToDismissKeyboard:(UIGestureRecognizer *)gestureRecognizer {
    [self.view endEditing:YES];
}

@end