DownloadsViewController.m

//
//  DownloadsViewController.m
//  Copyright 2011 Max Bäumle
//  http://github.com/iosdeveloper
//
//  This file is part of MyTube.
//
//  MyTube is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  MyTube is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with MyTube.  If not, see <http://www.gnu.org/licenses/>.
//

#import "DownloadsViewController.h"
#import <MediaPlayer/MediaPlayer.h>

@implementation DownloadsViewController

@synthesize contents = _DownloadsContents;
@synthesize path = _DownloadsPath;

#pragma mark -
#pragma mark Initialization

- (void)loadContents {
	NSFileManager *fileManager = [NSFileManager defaultManager];
	NSString *path = self.path;
	NSArray *files = [[fileManager contentsOfDirectoryAtPath:path error:NULL] pathsMatchingExtensions:[NSArray arrayWithObject:@"mp4"]];
	
	if (files) {
		NSMutableArray *filesMutableArray = [NSMutableArray array];
		
		for (NSString *item in files) {
			[filesMutableArray addObject:[item stringByDeletingPathExtension]];
		}
		
		[self setContents:filesMutableArray];
	}
}

#pragma mark -
#pragma mark View lifecyle

- (void)viewDidLoad {
	[super viewDidLoad];
	
	NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
	
	[self setPath:[paths objectAtIndex:0]];
	[self loadContents];
	
    [navItem setLeftBarButtonItem:[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(back)] autorelease]];
	[navItem setRightBarButtonItem:self.editButtonItem];
}

- (void)back {
	[self dismissModalViewControllerAnimated:YES];
}

#pragma mark -
#pragma mark Delegates

- (void)setEditing:(BOOL)editing animated:(BOOL)animated {
	[super setEditing:editing animated:animated];
	
    [table setEditing:editing animated:YES];
}

#pragma mark -
#pragma mark Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    // Return the number of sections.
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    // Return the number of rows in the section.
	return [self.contents count];
}

// Customize the appearance of table view cells.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
	static NSString *CellIdentifier = @"Cell";
	
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
    }
	
    // Configure the cell...
	
	NSString *moviePath = [NSString stringWithFormat:@"%@.mp4", [self.path stringByAppendingPathComponent:[self.contents objectAtIndex:[indexPath indexAtPosition:1]]]];
	
	AVAsset *asset = [[AVURLAsset alloc] initWithURL:[NSURL fileURLWithPath:moviePath] options:nil];
	
	NSString *imagePath = [NSString stringWithFormat:@"%@.png", [self.path stringByAppendingPathComponent:[self.contents objectAtIndex:[indexPath indexAtPosition:1]]]];
	
	int durationSec = (int)CMTimeGetSeconds(asset.duration);
	int min = durationSec / 60;
	int sec = durationSec % 60;
	
	[asset release];
	
	[cell.textLabel setMinimumFontSize:14.0];
	[cell.textLabel setAdjustsFontSizeToFitWidth:YES];
	[cell.textLabel setText:[self.contents objectAtIndex:[indexPath indexAtPosition:1]]];
	[cell.detailTextLabel setText:[NSString stringWithFormat:@"%d:%02d", min, sec]];
	[cell.imageView setImage:[UIImage imageWithContentsOfFile:imagePath]];
	
    return cell;
}

/*
 // Override to support conditional editing of the table view.
 - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
 // Return NO if you do not want the specified item to be editable.
 return YES;
 }
 */

// Override to support editing the table view.
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // Delete the row from the data source.
		NSFileManager *fileManager = [NSFileManager defaultManager];
		
		NSString *moviePath = [NSString stringWithFormat:@"%@.mp4", [self.path stringByAppendingPathComponent:[self.contents objectAtIndex:[indexPath indexAtPosition:1]]]];
		[fileManager removeItemAtPath:moviePath error:NULL];
		
		NSString *imagePath = [NSString stringWithFormat:@"%@.png", [self.path stringByAppendingPathComponent:[self.contents objectAtIndex:[indexPath indexAtPosition:1]]]];
		[fileManager removeItemAtPath:imagePath error:NULL];
		
		[self setContents:nil];
		[self loadContents];

		[table deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
    }   
	/*
	 else if (editingStyle == UITableViewCellEditingStyleInsert) {
	 // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view.
	 }
	 */
}

/*
 // Override to support rearranging the table view.
 - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
 }
 */

/*
 // Override to support conditional rearranging of the table view.
 - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
 // Return NO if you do not want the item to be re-orderable.
 return YES;
 }
 */

#pragma mark -
#pragma mark Table view delegate

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 69.3;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [table deselectRowAtIndexPath:indexPath animated:YES];
	
	NSString *contentURL = [NSString stringWithFormat:@"%@.mp4", [self.path stringByAppendingPathComponent:[self.contents objectAtIndex:[indexPath indexAtPosition:1]]]];
	
	MPMoviePlayerViewController *moviePlayerViewController = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL fileURLWithPath:contentURL]];
	if (moviePlayerViewController) {
		[self presentMoviePlayerViewControllerAnimated:moviePlayerViewController];
		[moviePlayerViewController.moviePlayer setMovieSourceType:MPMovieSourceTypeFile];
        
        if ([moviePlayerViewController.moviePlayer respondsToSelector:@selector(setAllowsAirPlay:)]) {
            [moviePlayerViewController.moviePlayer setAllowsAirPlay:YES];
        }
		
		[[NSNotificationCenter defaultCenter] addObserverForName:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayerViewController queue:nil usingBlock:^(NSNotification *notification) {
			[[NSNotificationCenter defaultCenter] removeObserver:self];
			[self dismissMoviePlayerViewControllerAnimated];
			[moviePlayerViewController release];
		}];
		
		[moviePlayerViewController.moviePlayer play];
	}
	
	// Navigation logic may go here. Create and push another view controller.
    /*
	 <#DetailViewController#> *detailViewController = [[<#DetailViewController#> alloc] initWithNibName:@"<#Nib name#>" bundle:nil];
     // ...
     // Pass the selected object to the new view controller.
	 [self.navigationController pushViewController:detailViewController animated:YES];
	 [detailViewController release];
	 */
}

#pragma mark -
#pragma mark Memory management

- (void)didReceiveMemoryWarning {
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
    
    // Relinquish ownership any cached data, images, etc. that aren't in use.
}

- (void)viewDidUnload {
    // Relinquish ownership of anything that can be recreated in viewDidLoad or on demand.
    // For example: self.myOutlet = nil;
}

- (void)dealloc {
	[self setContents:nil];
	[self setPath:nil];
	
    [super dealloc];
}

@end