session-ios/Signal/src/view controllers/APNavigationController.m

100 lines
3.6 KiB
Objective-C

//
// APNavigationController.m
// DropDownToolBar
//
// Created by Ankur Patel on 2/24/14.
// Copyright (c) 2014 Encore Dev Labs LLC. All rights reserved.
//
#import "APNavigationController.h"
@interface APNavigationController ()
@property (nonatomic, copy) NSString *originalNavigationBarTitle;
@property (nonatomic, copy) NSString *originalBarButtonTitle;
@end
@implementation APNavigationController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.dropDownToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 64)];
self.dropDownToolbar.autoresizingMask = UIViewAutoresizingFlexibleWidth;
self.dropDownToolbar.tintColor = self.navigationBar.tintColor;
[self.navigationBar.superview insertSubview:self.dropDownToolbar belowSubview:self.navigationBar];
self.originalNavigationBarTitle = self.navigationBar.topItem.title;
}
- (void)toggleDropDown:(id)sender {
if (self.isDropDownVisible) {
[self hideDropDown:sender];
} else {
[self showDropDown:sender];
}
}
- (void)hideDropDown:(id)sender {
if (self.isDropDownVisible) {
__weak APNavigationController *weakSelf = self;
CGRect frame = self.dropDownToolbar.frame;
frame.origin.y = CGRectGetMaxY(self.navigationBar.frame);
self.dropDownToolbar.frame = frame;
[UIView animateWithDuration:0.25
animations:^{
CGRect finalframe = self.dropDownToolbar.frame;
finalframe.origin.y = 0.;
weakSelf.dropDownToolbar.frame = finalframe;
}
completion:^(BOOL finished) {
weakSelf.isDropDownVisible = !weakSelf.isDropDownVisible;
weakSelf.dropDownToolbar.hidden = YES;
}];
if (self.activeNavigationBarTitle) {
self.navigationBar.topItem.title = self.originalNavigationBarTitle;
}
if (sender && [sender isKindOfClass:[UIBarButtonItem class]]) {
[(UIBarButtonItem *)sender setTitle:self.originalBarButtonTitle];
}
}
}
- (void)showDropDown:(id)sender {
if (!self.isDropDownVisible) {
__weak APNavigationController *weakSelf = self;
CGRect frame = self.dropDownToolbar.frame;
frame.origin.y = 0.f;
self.dropDownToolbar.hidden = NO;
self.dropDownToolbar.frame = frame;
[UIView animateWithDuration:0.25
animations:^{
CGRect finalframe = self.dropDownToolbar.frame;
finalframe.origin.y = CGRectGetMaxY(self.navigationBar.frame);
weakSelf.dropDownToolbar.frame = finalframe;
}
completion:^(BOOL finished) {
weakSelf.isDropDownVisible = !weakSelf.isDropDownVisible;
}];
if (self.activeNavigationBarTitle) {
self.navigationBar.topItem.title = self.activeNavigationBarTitle;
}
if (sender && [sender isKindOfClass:[UIBarButtonItem class]]) {
self.originalBarButtonTitle = [(UIBarButtonItem *)sender title];
if (self.activeBarButtonTitle) {
[(UIBarButtonItem *)sender setTitle:self.activeBarButtonTitle];
}
}
}
}
@end