examples/tutorials/xcode iOS/Tutorial 5/LibraryViewController.m

   1 #import "LibraryViewController.h"
   2 #import "VideoViewController.h"
   3 #import <AssetsLibrary/AssetsLibrary.h>
   4
   5 @interface LibraryViewController ()
   6
   7 @end
   8
   9 @implementation LibraryViewController
  10
  11 - (void)viewDidLoad
  12 {
  13     [super viewDidLoad];
  14     [super setTitle:@"Library"];
  15     [self refreshMediaItems];
  16 }
  17
  18 - (IBAction)refresh:(id)sender
  19 {
  20     [self refreshMediaItems];
  21     [self.tableView reloadData];
  22 }
  23
  24 static NSString *CellIdentifier = @"CellIdentifier";
  25
  26 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
  27     return 3;
  28 }
  29
  30 - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
  31 {
  32     switch (section)
  33     {
  34         case 0: return @"Photo library";
  35         case 1: return @"iTunes file sharing";
  36         default: return @"Online files";
  37     }
  38 }
  39
  40 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
  41     switch (section) {
  42         case 0:
  43             return [self->libraryEntries count];
  44         case 1:
  45             return [self->mediaEntries count];
  46         case 2:
  47             return [self->onlineEntries count];
  48         default:
  49             return 0;
  50     }
  51 }
  52
  53 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
  54     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
  55     // Configure Cell
  56     UILabel *title = (UILabel *)[cell.contentView viewWithTag:10];
  57     UILabel *subtitle = (UILabel *)[cell.contentView viewWithTag:11];
  58
  59     switch (indexPath.section) {
  60         case 0: subtitle.text = [self->libraryEntries objectAtIndex:indexPath.item];
  61             break;
  62         case 1: subtitle.text = [self->mediaEntries objectAtIndex:indexPath.item];
  63             break;
  64         case 2: subtitle.text = [self->onlineEntries objectAtIndex:indexPath.item];
  65             break;
  66         default:
  67             break;
  68     }
  69
  70     NSArray *components = [subtitle.text pathComponents];
  71     title.text = components.lastObject;
  72
  73     return cell;
  74 }
  75
  76 - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
  77     return NO;
  78 }
  79
  80 - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
  81     return NO;
  82 }
  83
  84 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
  85     if ([segue.identifier isEqualToString:@"playVideo"]) {
  86         NSIndexPath *indexPath = [self.tableView indexPathForSelectedRow];
  87         VideoViewController *destViewController = segue.destinationViewController;
  88         UITableViewCell *cell = [[self tableView] cellForRowAtIndexPath:indexPath];
  89         UILabel *label = (UILabel *)[cell.contentView viewWithTag:10];
  90         destViewController.title = label.text;
  91         label = (UILabel *)[cell.contentView viewWithTag:11];
  92         destViewController.uri = label.text;
  93     }
  94 }
  95
  96 - (void)refreshMediaItems {
  97     NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSAllDomainsMask, YES);
  98     NSString *docsPath = [paths objectAtIndex:0];
  99
 100     /* Entries from the Photo Library */
 101     NSMutableArray *entries = [[NSMutableArray alloc] init];
 102     ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
 103     [library enumerateGroupsWithTypes:ALAssetsGroupAll
 104         usingBlock:^(ALAssetsGroup *group, BOOL *stop)
 105         {
 106             if (group) {
 107                 [group enumerateAssetsUsingBlock:^(ALAsset *result, NSUInteger index, BOOL *stop)
 108                 {
 109                     if(result) {
 110                         [entries addObject:[NSString stringWithFormat:@"%@",[result valueForProperty:ALAssetPropertyAssetURL]]];
 111                         *stop = NO;
 112
 113                     }
 114                 }];
 115             } else {
 116                 [self.tableView reloadData];
 117             }
 118         }
 119         failureBlock:^(NSError *error)
 120         {
 121             NSLog(@"ERROR");
 122         }
 123      ];
 124     self->libraryEntries = entries;
 125
 126     /* Retrieve entries from iTunes file sharing */
 127     entries = [[NSMutableArray alloc] init];
 128     for (NSString *e in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:docsPath error:nil])
 129     {
 130         [entries addObject:[NSString stringWithFormat:@"file://%@/%@", docsPath, e]];
 131     }
 132     self->mediaEntries = entries;
 133
 134     /* Hardcoded list of Online media files */
 135     entries = [[NSMutableArray alloc] init];
 136
 137     // Big Buck Bunny
 138     [entries addObject:@"http://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_surround-fix.avi"];
 139     [entries addObject:@"http://mirrorblender.top-ix.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_h264.mov"];
 140     [entries addObject:@"http://mirrorblender.top-ix.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_stereo.ogg"];
 141     [entries addObject:@"http://mirrorblender.top-ix.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_stereo.avi"];
 142
 143     // Sintel
 144     // The ftp.nluug.nl links no longer work
 145     // [entries addObject:@"http://ftp.nluug.nl/ftp/graphics/blender/apricot/trailer/Sintel_Trailer1.480p.DivX_Plus_HD.mkv"];
 146     // [entries addObject:@"http://ftp.nluug.nl/ftp/graphics/blender/apricot/trailer/sintel_trailer-480p.mp4"];
 147     // [entries addObject:@"http://ftp.nluug.nl/ftp/graphics/blender/apricot/trailer/sintel_trailer-480p.ogv"];
 148     [entries addObject:@"http://mirrorblender.top-ix.org/movies/sintel-1024-surround.mp4"];
 149
 150     // Tears of Steel
 151     [entries addObject:@"http://blender-mirror.kino3d.org/mango/download.blender.org/demo/movies/ToS/tears_of_steel_720p.mkv"];
 152     [entries addObject:@"http://blender-mirror.kino3d.org/mango/download.blender.org/demo/movies/ToS/tears_of_steel_720p.mov"];
 153     [entries addObject:@"http://media.xiph.org/mango/tears_of_steel_1080p.webm"];
 154
 155     // Radio stations
 156     [entries addObject:@"http://radio.hbr1.com:19800/trance.ogg"];
 157     [entries addObject:@"http://radio.hbr1.com:19800/tronic.aac"];
 158
 159     // Non-existing entries (to debug error reporting facilities)
 160     [entries addObject:@"http://non-existing.org/Non_Existing_Server"];
 161     [entries addObject:@"https://www.freedesktop.org/software/gstreamer-sdk/data/media/Non_Existing_File"];
 162
 163     self->onlineEntries = entries;
 164 }
 165
 166 @end