/*

     File: AVPlayerDemoMetadataViewController.m

 Abstract: UIViewController subclass displaying metadata.

  Version: 1.3

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 */

#import "AVPlayerDemoMetadataViewController.h"

#import "AVPlayerDemoPlaybackView.h"

#import <AVFoundation/AVFoundation.h>

@interface AVPlayerDemoMetadataViewController()

- (void)setMetadata:(NSArray*)metadata;

- (void)goAway:(id)sender;

@end

@implementation AVPlayerDemoMetadataViewController

- (id)init

{

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) 

    {

        return [self initWithNibName:@"AVPlayerDemoMetadataView-iPad" bundle:nil];

    } 

    else 

    {

        return [self initWithNibName:@"AVPlayerDemoMetadataView" bundle:nil];

    }

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    return YES;

}

/* Display the asset 'title' and 'copyright' metadata. */

- (void)syncLabels

{

    /* Assume no metadata was found. */

    [mTitleLabel setText:@"<Title metadata not found>"];

    [mCopyrightLabel setText:@"<Copyright metadata not found>"];

    for (AVMetadataItem* item in self->mMetadata)

    {

        NSString* commonKey = [item commonKey];

        if ([commonKey isEqualToString:AVMetadataCommonKeyTitle])

        {

            [mTitleLabel setText:[item stringValue]];

            [mTitleLabel setHidden:NO];

        }

        if ([commonKey isEqualToString:AVMetadataCommonKeyCopyrights])

        {

            [mCopyrightLabel setText:[item stringValue]];

            [mCopyrightLabel setHidden:NO];

        }

    }

}

- (void)viewDidLoad

{

    [self syncLabels];

    [super viewDidLoad];       

}

- (NSArray*)metadata

{

    return self->mMetadata;

}

- (void)setMetadata:(NSArray*)metadata

{

    self->mMetadata = [metadata copy];

    [self syncLabels];

}

- (void)goAway:(id)sender

{

    if ([self respondsToSelector:@selector(presentingViewController)])

    {

        [[self presentingViewController] dismissViewControllerAnimated:YES completion:NULL];

    }

    else

    {

        [[self parentViewController] dismissViewControllerAnimated:YES completion:NULL];

    }

}

@end