gstreamer/gst-sdk/tutorials/xcode iOS/Tutorial 5/LibraryViewController.m

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#import "LibraryViewController.h"
#import "VideoViewController.h"
#import <AssetsLibrary/AssetsLibrary.h>
@interface LibraryViewController ()
@end
@implementation LibraryViewController
- (void)viewDidLoad
{
[super viewDidLoad];
[super setTitle:@"Library"];
[self refreshMediaItems];
}
- (IBAction)refresh:(id)sender
{
[self refreshMediaItems];
[self.tableView reloadData];
}
static NSString *CellIdentifier = @"CellIdentifier";
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 3;
}
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
switch (section)
{
case 0: return @"Photo library";
case 1: return @"iTunes file sharing";
default: return @"Online files";
}
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
switch (section) {
case 0:
return [self->libraryEntries count];
case 1:
return [self->mediaEntries count];
case 2:
return [self->onlineEntries count];
default:
return 0;
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
// Configure Cell
UILabel *title = (UILabel *)[cell.contentView viewWithTag:10];
UILabel *subtitle = (UILabel *)[cell.contentView viewWithTag:11];
switch (indexPath.section) {
case 0: subtitle.text = [self->libraryEntries objectAtIndex:indexPath.item];
break;
case 1: subtitle.text = [self->mediaEntries objectAtIndex:indexPath.item];
break;
case 2: subtitle.text = [self->onlineEntries objectAtIndex:indexPath.item];
break;
default:
break;
}
NSArray *components = [subtitle.text pathComponents];
title.text = components.lastObject;
return cell;
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
return NO;
}
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
return NO;
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
if ([segue.identifier isEqualToString:@"playVideo"]) {
NSIndexPath *indexPath = [self.tableView indexPathForSelectedRow];
VideoViewController *destViewController = segue.destinationViewController;
UITableViewCell *cell = [[self tableView] cellForRowAtIndexPath:indexPath];
UILabel *label = (UILabel *)[cell.contentView viewWithTag:10];
destViewController.title = label.text;
label = (UILabel *)[cell.contentView viewWithTag:11];
destViewController.uri = label.text;
}
}
- (void)refreshMediaItems {
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSAllDomainsMask, YES);
NSString *docsPath = [paths objectAtIndex:0];
/* Entries from the Photo Library */
NSMutableArray *entries = [[NSMutableArray alloc] init];
ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
[library enumerateGroupsWithTypes:ALAssetsGroupAll
usingBlock:^(ALAssetsGroup *group, BOOL *stop)
{
if (group) {
[group enumerateAssetsUsingBlock:^(ALAsset *result, NSUInteger index, BOOL *stop)
{
if(result) {
[entries addObject:[NSString stringWithFormat:@"%@",[result valueForProperty:ALAssetPropertyAssetURL]]];
*stop = NO;
}
}];
} else {
[self.tableView reloadData];
}
}
failureBlock:^(NSError *error)
{
NSLog(@"ERROR");
}
];
self->libraryEntries = entries;
/* Retrieve entries from iTunes file sharing */
entries = [[NSMutableArray alloc] init];
for (NSString *e in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:docsPath error:nil])
{
[entries addObject:[NSString stringWithFormat:@"file://%@/%@", docsPath, e]];
}
self->mediaEntries = entries;
/* Hardcoded list of Online media files */
entries = [[NSMutableArray alloc] init];
// Big Buck Bunny
[entries addObject:@"http://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_surround-fix.avi"];
[entries addObject:@"http://mirrorblender.top-ix.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_h264.mov"];
[entries addObject:@"http://mirrorblender.top-ix.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_stereo.ogg"];
[entries addObject:@"http://mirrorblender.top-ix.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_stereo.avi"];
// Sintel
[entries addObject:@"http://ftp.nluug.nl/ftp/graphics/blender/apricot/trailer/Sintel_Trailer1.480p.DivX_Plus_HD.mkv"];
[entries addObject:@"http://ftp.nluug.nl/ftp/graphics/blender/apricot/trailer/sintel_trailer-480p.mp4"];
[entries addObject:@"http://ftp.nluug.nl/ftp/graphics/blender/apricot/trailer/sintel_trailer-480p.ogv"];
[entries addObject:@"http://mirrorblender.top-ix.org/movies/sintel-1024-surround.mp4"];
// Tears of Steel
[entries addObject:@"http://blender-mirror.kino3d.org/mango/download.blender.org/demo/movies/ToS/tears_of_steel_720p.mkv"];
[entries addObject:@"http://blender-mirror.kino3d.org/mango/download.blender.org/demo/movies/ToS/tears_of_steel_720p.mov"];
[entries addObject:@"http://media.xiph.org/mango/tears_of_steel_1080p.webm"];
// Radio stations
[entries addObject:@"http://radio.hbr1.com:19800/trance.ogg"];
[entries addObject:@"http://radio.hbr1.com:19800/tronic.aac"];
// Non-existing entries (to debug error reporting facilities)
[entries addObject:@"http://non-existing.org/Non_Existing_Server"];
[entries addObject:@"http://docs.gstreamer.com/Non_Existing_File"];
self->onlineEntries = entries;
}
@end