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PhotoViewController.m
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PhotoViewController.m
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//
// FlickrAppPhotoViewController.m
// FlickrApp
//
// Created by Joshua Dover on 7/22/12.
// Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//
#import "PhotoViewController.h"
#import "FlickrFetcher.h"
#import "PhotoCacher.h"
@interface PhotoViewController () <UIScrollViewDelegate>
@end
@implementation PhotoViewController
@synthesize scrollView;
@synthesize imageView;
@synthesize photo;
@synthesize splitViewBarButtonItem = _splitViewBarButtonItem;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)setup
{
UIActivityIndicatorView *spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
[spinner startAnimating];
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:spinner];
dispatch_queue_t downloadQueue = dispatch_queue_create("download queue", NULL);
dispatch_async(downloadQueue, ^{
if (self.photo == nil) {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
if ([[defaults objectForKey:@"Recent Photos"] count] > 0) {
self.photo = [[defaults objectForKey:@"Recent Photos"] objectAtIndex:0];
self.title = [self.photo objectForKey:FLICKR_PHOTO_TITLE];
}
}
UIImage *newImage = [UIImage imageWithData:[PhotoCacher getPhoto:self.photo withFormat:FlickrPhotoFormatLarge]];
// UIImage *newImage = [UIImage imageWithData:[NSData dataWithContentsOfURL:[FlickrFetcher urlForPhoto:self.photo format:FlickrPhotoFormatLarge]]];
dispatch_async(dispatch_get_main_queue(), ^{
self.imageView.image = newImage;
self.scrollView.contentSize = self.imageView.image.size;
self.imageView.frame = CGRectMake(0, 0, self.imageView.image.size.width, self.imageView.image.size.height);
float horZoomScale = self.scrollView.bounds.size.width / self.imageView.image.size.width;
float verZoomScale = self.scrollView.bounds.size.height / self.imageView.image.size.height;
[self.scrollView setZoomScale:MAX(horZoomScale, verZoomScale) animated:NO];
self.scrollView.minimumZoomScale = MAX(horZoomScale, verZoomScale);
self.navigationItem.rightBarButtonItem = nil;
});
});
dispatch_release(downloadQueue);
}
- (void)updatePhoto:(NSDictionary *)newPhoto withTitle:(NSString *)title
{
self.photo = newPhoto;
self.title = title;
[self setup];
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.scrollView.delegate = self;
[self setup];
}
- (void)viewWillAppear:(BOOL)animated
{
}
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView
{
return self.imageView;
}
- (void)awakeFromNib
{
[super awakeFromNib];
self.splitViewController.delegate = self;
}
- (BOOL)splitViewController:(UISplitViewController *)svc shouldHideViewController:(UIViewController *)vc inOrientation:(UIInterfaceOrientation)orientation
{
if (UIInterfaceOrientationIsPortrait(orientation)) {
return YES;
} else {
return NO;
}
}
- (void)splitViewController:(UISplitViewController *)svc willHideViewController:(UIViewController *)aViewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController:(UIPopoverController *)pc
{
barButtonItem.title = @"Browser";
// [self setupSplitViewControllerButton:barButtonItem];
self.navigationItem.leftBarButtonItem = barButtonItem;
}
- (void)splitViewController:(UISplitViewController *)svc willShowViewController:(UIViewController *)aViewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem
{
self.navigationItem.leftBarButtonItem = nil;
}
- (void)viewDidUnload
{
[self setScrollView:nil];
[self setImageView:nil];
[super viewDidUnload];
// Release any retained subviews of the main view.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return YES;
}
@end