/*

Copyright (C) 2013-2015 Apple Inc. All Rights Reserved.

See LICENSE.txt for this sample’s licensing information

Abstract:

A simple view controller that manages a content view

*/

#import "TextViewController.h"

#import "BannerViewController.h"

@interface TextViewController ()

@property (nonatomic, strong) IBOutlet UITextView *textView;

@property (nonatomic, strong) IBOutlet UILabel *timerLabel;

@end

@implementation TextViewController {

    NSTimer *_timer;

    CFTimeInterval _ticks;

}

- (instancetype)init

{

    self = [super initWithNibName:@"TextViewController" bundle:nil];

    if (self) {

        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(willBeginBannerViewActionNotification:) name:BannerViewActionWillBegin object:nil];

        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didFinishBannerViewActionNotification:) name:BannerViewActionDidFinish object:nil];

    }

    return self;

}

- (void)dealloc

{

    [[NSNotificationCenter defaultCenter] removeObserver:self];

}

- (void)setText:(NSString *)text

{

    _text = [text copy];

    self.textView.text = text;

}

- (void)startTimer

{

    if (_timer == nil) {

        _timer = [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(timerTick:) userInfo:nil repeats:YES];

    }

}

- (void)stopTimer

{

    [_timer invalidate];

    _timer = nil;

}

- (void)timerTick:(NSTimer *)timer

{

    // Timers are not guaranteed to tick at the nominal rate specified, so this isn't technically accurate.

    // However, this is just an example to demonstrate how to stop some ongoing activity, so we can live with that inaccuracy.

    _ticks += 0.1;

    double seconds = fmod(_ticks, 60.0);

    double minutes = fmod(trunc(_ticks / 60.0), 60.0);

    double hours = trunc(_ticks / 3600.0);

    self.timerLabel.text = [NSString stringWithFormat:@"%02.0f:%02.0f:%04.1f", hours, minutes, seconds];

}

- (void)viewDidLoad

{

    [super viewDidLoad];

    self.textView.text = self.text;

}

- (void)viewDidAppear:(BOOL)animated

{

    [super viewDidAppear:animated];

    [self startTimer];

}

- (void)viewDidDisappear:(BOOL)animated

{

    [super viewDidDisappear:animated];

    [self stopTimer];

}

#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_6_0

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    return YES;

}

#endif

- (NSUInteger)supportedInterfaceOrientations

{

    return UIInterfaceOrientationMaskAll;

}

- (void)willBeginBannerViewActionNotification:(NSNotification *)notification

{

    [self stopTimer];

}

- (void)didFinishBannerViewActionNotification:(NSNotification *)notification

{

    [self startTimer];

}

@end