VLCPlaylistViewController.m 12.1 KB
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//
//  VLCMasterViewController.m
//  AspenProject
//
//  Created by Felix Paul Kühne on 27.02.13.
//  Copyright (c) 2013 VideoLAN. All rights reserved.
//

#import "VLCPlaylistViewController.h"
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#import "VLCMovieViewController.h"
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#import "VLCPlaylistTableViewCell.h"
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#import "VLCPlaylistGridView.h"
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#import "VLCMenuViewController.h"
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@implementation EmptyLibraryView
@end

@interface VLCPlaylistViewController () <AQGridViewDataSource, AQGridViewDelegate,
                                         UITableViewDataSource, UITableViewDelegate> {
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    NSMutableArray *_foundMedia;
}
@end

@implementation VLCPlaylistViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
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    if (self)
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        self.title = @"VLC";
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    return self;
}

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- (void)loadView {
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        _tableView = [[UITableView alloc] initWithFrame:[UIScreen mainScreen].bounds style:UITableViewStylePlain];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        self.view = _tableView;
    } else {
        _gridView = [[AQGridView alloc] initWithFrame:[UIScreen mainScreen].bounds];
        _gridView.delegate = self;
        _gridView.dataSource = self;
        self.view = _gridView;
    }

    self.view.backgroundColor = [UIColor blackColor];
    self.view.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
    self.emptyLibraryView = [[[NSBundle mainBundle] loadNibNamed:@"VLCEmptyLibraryView" owner:self options:nil] lastObject];
}

#pragma mark -

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- (void)viewDidLoad
{
    [super viewDidLoad];

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    UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"menuCone"] style:UIBarButtonItemStyleBordered target:self action:@selector(leftButtonAction:)];
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    [addButton setBackgroundImage:[UIImage imageNamed:@"button"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
    [addButton setBackgroundImage:[UIImage imageNamed:@"buttonHighlight"] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
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    /* After day 354 of the year, the usual VLC cone is replaced by another cone
     * wearing a Father Xmas hat.
     * Note: this icon doesn't represent an endorsement of The Coca-Cola Company
     * and should not be confused with the idea of religious statements or propagation there off
     */
    NSCalendar *gregorian =
    [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
    NSUInteger dayOfYear = [gregorian ordinalityOfUnit:NSDayCalendarUnit inUnit:NSYearCalendarUnit forDate:[NSDate date]];
    if (dayOfYear >= 354)
        addButton.image = [UIImage imageNamed:@"vlc-xmas"];

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    self.navigationItem.leftBarButtonItem = addButton;
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    [self.editButtonItem setBackgroundImage:[UIImage imageNamed:@"button"]
                                   forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
    [self.editButtonItem setBackgroundImage:[UIImage imageNamed:@"buttonHighlight"]
                                   forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
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    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
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        _gridView.separatorStyle = AQGridViewCellSeparatorStyleEmptySpace;
        _gridView.alwaysBounceVertical = YES;
        _gridView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
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    } else {
        _tableView.rowHeight = [VLCPlaylistTableViewCell heightOfCell];
        _tableView.separatorColor = [UIColor colorWithWhite:.2 alpha:1.];
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    }
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    _emptyLibraryView.emptyLibraryLabel.text = NSLocalizedString(@"EMPTY_LIBRARY", @"");
    _emptyLibraryView.emptyLibraryLongDescriptionLabel.lineBreakMode = UILineBreakModeWordWrap;
    _emptyLibraryView.emptyLibraryLongDescriptionLabel.numberOfLines = 0;
    _emptyLibraryView.emptyLibraryLongDescriptionLabel.text = NSLocalizedString(@"EMPTY_LIBRARY_LONG", @"");
    [_emptyLibraryView.emptyLibraryLongDescriptionLabel sizeToFit];
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}

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- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
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    [self _displayEmptyLibraryViewIfNeeded];
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}

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- (void)viewDidAppear:(BOOL)animated
{
    [self performSelector:@selector(updateViewContents) withObject:nil afterDelay:.3];
    [[MLMediaLibrary sharedMediaLibrary] performSelector:@selector(libraryDidAppear) withObject:nil afterDelay:1.];
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    [super viewDidAppear:animated];
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}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
    [[MLMediaLibrary sharedMediaLibrary] libraryDidDisappear];
}

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- (void)removeMediaObject:(MLFile *)mediaObject
{
    [[NSFileManager defaultManager] removeItemAtPath:[[NSURL URLWithString:mediaObject.url] path] error:nil];
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}

- (void)_displayEmptyLibraryViewIfNeeded
{
    if (_foundMedia.count > 0) {
        if (self.emptyLibraryView.superview)
            [self.emptyLibraryView removeFromSuperview];
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        self.navigationItem.rightBarButtonItem = self.editButtonItem;
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    } else {
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        self.emptyLibraryView.frame = self.view.frame;
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        [self.view addSubview:self.emptyLibraryView];
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        self.navigationItem.rightBarButtonItem = nil;
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    }
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    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        _tableView.separatorStyle = (_foundMedia.count > 0)? UITableViewCellSeparatorStyleSingleLine:
                                                             UITableViewCellSeparatorStyleNone;
    }
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}

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- (void)updateViewContents
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{
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    _foundMedia = [NSMutableArray arrayWithArray:[MLFile allFiles]];
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    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
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        [self.tableView reloadData];
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    else {
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        [self.gridView reloadData];
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        [self.gridView setNeedsDisplay];
    }
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    [self _displayEmptyLibraryViewIfNeeded];
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}

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#pragma mark - Table View

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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return _foundMedia.count;
}

// Customize the appearance of table view cells.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
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    static NSString *CellIdentifier = @"PlaylistCell";
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    VLCPlaylistTableViewCell *cell = (VLCPlaylistTableViewCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];
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    if (cell == nil)
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        cell = [VLCPlaylistTableViewCell cellWithReuseIdentifier:CellIdentifier];
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    cell.mediaObject = _foundMedia[indexPath.row];

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    return cell;
}

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
    return YES;
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
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    if (editingStyle == UITableViewCellEditingStyleDelete)
        [self removeMediaObject: _foundMedia[indexPath.row]];
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}

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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
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{
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    MLFile *mediaObject = _foundMedia[indexPath.row];
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    if (!self.movieViewController)
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        self.movieViewController = [[VLCMovieViewController alloc] initWithNibName:@"VLCMovieViewController" bundle:nil];
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    self.movieViewController.mediaItem = mediaObject;
    [self.navigationController pushViewController:self.movieViewController animated:YES];
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}

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#pragma mark - AQGridView
- (NSUInteger)numberOfItemsInGridView:(AQGridView *)gridView
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{
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    return _foundMedia.count;
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}

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- (AQGridViewCell *)gridView:(AQGridView *)gridView cellForItemAtIndex:(NSUInteger)index
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{
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    static NSString *AQCellIdentifier = @"AQPlaylistCell";
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    VLCPlaylistGridView *cell = (VLCPlaylistGridView *)[gridView dequeueReusableCellWithIdentifier:AQCellIdentifier];
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    if (cell == nil) {
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        cell = [[[NSBundle mainBundle] loadNibNamed:@"VLCPlaylistGridView" owner:self options:nil] lastObject];
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        cell.selectionStyle = AQGridViewCellSelectionStyleGlow;
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        cell.gridView = gridView;
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    }

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    cell.mediaObject = _foundMedia[index];
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    return cell;
}

- (CGSize)portraitGridCellSizeForGridView:(AQGridView *)gridView
{
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    return [VLCPlaylistGridView preferredSize];
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}

- (void)gridView:(AQGridView *)gridView didSelectItemAtIndex:(NSUInteger)index
{
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    [self.gridView deselectItemAtIndex:index animated:YES];

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    MLFile *mediaObject = _foundMedia[index];
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    if (!self.movieViewController)
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        self.movieViewController = [[VLCMovieViewController alloc] initWithNibName:@"VLCMovieViewController" bundle:nil];
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    self.movieViewController.mediaItem = mediaObject;
    [self.navigationController pushViewController:self.movieViewController animated:YES];
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}

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- (void)gridView:(AQGridView *)aGridView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndex:(NSUInteger)index
{
    if (editingStyle == UITableViewCellEditingStyleDelete)
        [self removeMediaObject: _foundMedia[index]];
}

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#pragma mark - UI implementation
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- (void)setEditing:(BOOL)editing animated:(BOOL)animated
{
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    [super setEditing:editing animated:animated];
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    NSString *editImage = editing? @"doneButton": @"button";
    NSString *editImageHighlight = editing? @"doneButtonHighlight": @"buttonHighlight";
    [self.editButtonItem setBackgroundImage:[UIImage imageNamed:editImage] forState:UIControlStateNormal
                                 barMetrics:UIBarMetricsDefault];
    [self.editButtonItem setBackgroundImage:[UIImage imageNamed:editImageHighlight]
                                   forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
    
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    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
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        [self.gridView setEditing:editing];
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    else
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        [self.tableView setEditing:editing animated:YES];
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}

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- (IBAction)leftButtonAction:(id)sender
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{
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    if (self.menuViewController == nil)
        self.menuViewController = [[VLCMenuViewController alloc] initWithNibName:@"VLCMenuViewController" bundle:nil];
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    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
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		self.menuViewController.contentSizeForViewInPopover = self.menuViewController.view.frame.size;
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        if (self.addMediaPopoverController == nil) {
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            self.addMediaPopoverController = [[UIPopoverController alloc] initWithContentViewController:self.menuViewController];
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            self.addMediaPopoverController.delegate = self;
        }

        if (self.addMediaPopoverController.popoverVisible)
            [self.addMediaPopoverController dismissPopoverAnimated:YES];
        else
            [self.addMediaPopoverController presentPopoverFromBarButtonItem:self.navigationItem.leftBarButtonItem
                                                   permittedArrowDirections:UIPopoverArrowDirectionUp
                                                                   animated:YES];
    } else
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        [self.navigationController presentViewController:self.menuViewController animated:YES completion:NULL];
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}

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/* deprecated in iOS 6 */
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- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
{
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    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
        return YES;

    return (_foundMedia.count > 0) || toInterfaceOrientation == UIInterfaceOrientationPortrait;
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}

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// RootController is responsible for supporting interface orientation(iOS6.0+), i.e. navigation controller
// so this will not work as intended without "voodoo magic"(UINavigationController category, subclassing, etc)
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/* introduced in iOS 6 */
- (NSUInteger)supportedInterfaceOrientations {
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    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
        return UIInterfaceOrientationMaskAll;

    return (_foundMedia.count > 0)? UIInterfaceOrientationMaskAllButUpsideDown:
                                    UIInterfaceOrientationMaskPortrait;
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}

/* introduced in iOS 6 */
- (BOOL)shouldAutorotate {
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    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (_foundMedia.count > 0);
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}

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- (void)openMovieFromURL:(NSURL *)url
{
    if (!self.movieViewController)
        self.movieViewController = [[VLCMovieViewController alloc] initWithNibName:@"VLCMovieViewController" bundle:nil];

    self.movieViewController.url = url;
    [self.navigationController pushViewController:self.movieViewController animated:YES];
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}

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@end