/*

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 and an ADBannerView

*/

#import "TextViewController.h"

@interface TextViewController ()

@property (nonatomic, strong) IBOutlet UIView *contentView;

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

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

@end

@implementation TextViewController {

    ADBannerView *_bannerView;

    NSTimer *_timer;

    CFTimeInterval _ticks;

}

- (instancetype)init

{

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

    if (self) {

        // On iOS 6 ADBannerView introduces a new initializer, use it when available.

        if ([ADBannerView instancesRespondToSelector:@selector(initWithAdType:)]) {

            _bannerView = [[ADBannerView alloc] initWithAdType:ADAdTypeBanner];

        } else {

            _bannerView = [[ADBannerView alloc] init];

        }

        _bannerView.delegate = self;

    }

    return self;

}

- (void)layoutAnimated:(BOOL)animated

{

    // As of iOS 6.0, the banner will automatically resize itself based on its width.

    // To support iOS 5.0 however, we continue to set the currentContentSizeIdentifier appropriately.

    CGRect contentFrame = self.view.bounds;

    if (contentFrame.size.width < contentFrame.size.height) {

        _bannerView.currentContentSizeIdentifier = ADBannerContentSizeIdentifierPortrait;

    } else {

        _bannerView.currentContentSizeIdentifier = ADBannerContentSizeIdentifierLandscape;

    }

    CGRect bannerFrame = _bannerView.frame;

    if (_bannerView.bannerLoaded) {

        contentFrame.size.height -= _bannerView.frame.size.height;

        bannerFrame.origin.y = contentFrame.size.height;

    } else {

        bannerFrame.origin.y = contentFrame.size.height;

    }

    [UIView animateWithDuration:animated ? 0.25 : 0.0 animations:^{

        _contentView.frame = contentFrame;

        [_contentView layoutIfNeeded];

        _bannerView.frame = bannerFrame;

    }];

}

- (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.view addSubview:_bannerView];

    self.textView.text = self.text;

}

- (void)viewDidAppear:(BOOL)animated

{

    [super viewDidAppear:animated];

    [self layoutAnimated:NO];

    [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)viewDidLayoutSubviews

{

    [self layoutAnimated:[UIView areAnimationsEnabled]];

}

- (void)bannerViewDidLoadAd:(ADBannerView *)banner

{

    [self layoutAnimated:YES];

}

- (void)bannerView:(ADBannerView *)banner didFailToReceiveAdWithError:(NSError *)error

{

    [self layoutAnimated:YES];

}

- (BOOL)bannerViewActionShouldBegin:(ADBannerView *)banner willLeaveApplication:(BOOL)willLeave

{

    [self stopTimer];

    return YES;

}

- (void)bannerViewActionDidFinish:(ADBannerView *)banner

{

    [self startTimer];

}

@end