/*

     File: AppController.m

 Abstract: Implementation of the Controller class.

  Version: 1.1

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 redistribute this Apple software.

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 Neither the name, trademarks, service marks or logos of Apple Inc. may

 be used to endorse or promote products derived from the Apple Software

 without specific prior written permission from Apple.  Except as

 expressly stated in this notice, no other rights or licenses, express or

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 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

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 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

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 Copyright (C) 2012 Apple Inc. All Rights Reserved.

 */

#import <ApplicationServices/ApplicationServices.h>

#import "AppController.h"

@implementation AppController

//---------------------------------------------------------------------------------------------------------------------- 

- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender

{

    return YES;

}

// ---------------------------------------------------------------------------------------------------------------------

- (void)loadImages

{

    // find all images inside the App Bundle

    if (NULL == _imagePaths)

    {

        _imagePaths = [[NSMutableArray alloc] init];

        NSArray *imagesArray = [[NSBundle mainBundle] pathsForResourcesOfType:@"jpg" inDirectory:nil];

        NSEnumerator *  enumerator;

        NSString *      imagePath;

        CFShow((__bridge CFTypeRef)(imagesArray));

        enumerator = [imagesArray objectEnumerator];

        while (imagePath = [enumerator nextObject])

        {

            [_imagePaths addObject: imagePath];

        }

    }

}

// ---------------------------------------------------------------------------------------------------------------------

- (void)applicationWillTerminate: (NSNotification *)notification

{

    // save user selection

    [[NSUserDefaults standardUserDefaults] setInteger: [_itemMatrix selectedRow]

                                               forKey: @"modeSelection"];

}

// ---------------------------------------------------------------------------------------------------------------------

- (NSString*)samplePDFPath

{

    // return a path to our sample pdf document...

    return [[NSBundle mainBundle] pathForResource:@"IKSlideShow" ofType:@"pdf"];

}

// ---------------------------------------------------------------------------------------------------------------------

- (void)awakeFromNib

{

    // get the image paths

    [self loadImages];

    // restore user selection

    [_itemMatrix selectCellAtRow: [[NSUserDefaults standardUserDefaults] integerForKey: @"modeSelection"]

                          column: 0];

    // get the sample PDF document - if it does not exist - disable PDFs

    NSString * path = [self samplePDFPath];

    if ([[NSFileManager defaultManager] fileExistsAtPath: path])

    {

        _pdfDoc = [[PDFDocument alloc] initWithURL: [NSURL fileURLWithPath: path

                                                               isDirectory: NO]];

    } else

    {

        id cell;

        cell = [_itemMatrix cellAtRow: 0

                               column: 0];

        [cell setEnabled: NO];

        [_itemMatrix selectCellAtRow: 1

                              column: 0];

    }

}

// ---------------------------------------------------------------------------------------------------------------------

- (IBAction)start: (id)sender

{

    NSString *modeString = nil;

    int mode = [[_itemMatrix selectedCell] tag];

    switch (mode)

    {

        case 0:

            // 1 URL

            modeString = IKSlideshowModePDF;

            break;

        case 1:

            // return the user specified number of images

            modeString = IKSlideshowModeImages;

            break;

    }

    // start the Slideshow

    [[IKSlideshow sharedSlideshow] runSlideshowWithDataSource:(id < IKSlideshowDataSource >)self inMode:modeString options:NULL];

}

// ---------------------------------------------------------------------------------------------------------------------

- (void)stopSlideshow: (id)sender

{

    // stop the Slideshow

    [[IKSlideshow sharedSlideshow] stopSlideshow: self];

}    

// ---------------------------------------------------------------------------------------------------------------------

- (NSUInteger)numberOfSlideshowItems

{

    int mode = [[_itemMatrix selectedCell] tag];

    switch (mode)

    {

        case 0:

            // 1 URL

            return 1;

            break;

        case 1:

            // return the user specified number of images

            return [_imagePaths count];

            break;

    }

    return 0;

}

// ---------------------------------------------------------------------------------------------------------------------

- (id)slideshowItemAtIndex: (NSUInteger)index

{

    id  result = NULL;

    int mode = [[_itemMatrix selectedCell] tag];

    switch (mode)

    {

        case 0:

            // return the URL

            result = [self samplePDFPath];

            break;

        case 1:

            {

                // return the image path at index

                int i =  index % [_imagePaths count];

                result = [_imagePaths objectAtIndex: i];

            }

            break;

    }

if (result==nil)

    NSLog(@" slideshowItemAtIndex   RESULT = = NIL");

    return result;

}

// ---------------------------------------------------------------------------------------------------------------------

- (void)slideshowWillStart

{

    // IKSlideshow callback - the Slideshow is about to start

    NSLog(@">>> slideshowWillStart");

}

// ---------------------------------------------------------------------------------------------------------------------

- (void)slideshowDidStop

{

    // IKSlideshow callback - the Slideshow was just stopped

    NSLog(@">>> slideshowDidStop");

}

// ---------------------------------------------------------------------------------------------------------------------

- (void)slideshowDidChangeCurrentIndex: (NSUInteger)newIndex

{

    // IKSlideshow callback - the Slideshow was switching to a new index

    NSLog(@"    slideshowDidChangeCurrentIndex - %ld", newIndex);

}

@end