git.sesse.net Git - vlc/blob - projects/macosx/framework/Examples/FlashVideoDownloader/Controller.m

   1 #import "Controller.h"
   2
   3
   4 /**********************************************************
   5  * First off, some value transformer to easily play with
   6  * bindings
   7  */
   8 @interface VLCFloat10000FoldTransformer : NSObject
   9 @end
  10
  11 @implementation VLCFloat10000FoldTransformer
  12
  13 + (Class)transformedValueClass
  14 {
  15     return [NSNumber class];
  16 }
  17
  18 + (BOOL)allowsReverseTransformation
  19 {
  20     return YES;
  21 }
  22
  23 - (id)transformedValue:(id)value
  24 {
  25     if( !value ) return nil;
  26
  27     if(![value respondsToSelector: @selector(floatValue)])
  28     {
  29         [NSException raise: NSInternalInconsistencyException
  30                     format: @"Value (%@) does not respond to -floatValue.",
  31         [value class]];
  32         return nil;
  33     }
  34
  35     return [NSNumber numberWithFloat: [value floatValue]*10000.];
  36 }
  37
  38 - (id)reverseTransformedValue:(id)value
  39 {
  40     if( !value ) return nil;
  41
  42     if(![value respondsToSelector: @selector(floatValue)])
  43     {
  44         [NSException raise: NSInternalInconsistencyException
  45                     format: @"Value (%@) does not respond to -floatValue.",
  46         [value class]];
  47         return nil;
  48     }
  49
  50     return [NSNumber numberWithFloat: [value floatValue]/10000.];
  51 }
  52 @end
  53
  54
  55 /**********************************************************
  56  * @implementation Controller
  57  */
  58 @interface Controller ()
  59 @property (retain,readwrite) NSString * outputFolderPath;
  60 @end
  61
  62 @implementation Controller
  63 - (id)init
  64 {
  65     if(self = [super init])
  66     {
  67         [self bind:@"outputFolderPath" toObject:[NSUserDefaultsController sharedUserDefaultsController]
  68               withKeyPath:@"values.outputFolderPath" options:nil];
  69         [[[NSUserDefaultsController sharedUserDefaultsController] values] bind:@"outputFolderPath" toObject:self
  70               withKeyPath:@"outputFolderPath" options:nil];
  71         VLCFloat10000FoldTransformer *float100fold;
  72         float100fold = [[[VLCFloat10000FoldTransformer alloc] init] autorelease];
  73         [NSValueTransformer setValueTransformer:(id)float100fold forName:@"Float10000FoldTransformer"];
  74         self.media = nil;
  75         self.streamSession = nil;
  76         selectedStreamOutput = [[NSNumber alloc] initWithInt:0];
  77         self.remoteURLAsString = [NSString stringWithString:@"http://youtube.com/watch?v=IXpx2OEWBdA&feature=bz303"];
  78         outputFilePath = nil;
  79         if( !self.outputFolderPath || [self.outputFolderPath isKindOfClass:[NSNull class]])
  80             self.outputFolderPath = [@"~/Movies/Flash Video Converted" stringByExpandingTildeInPath];
  81     }
  82     return self;
  83 }
  84
  85 - (void)dealloc
  86 {
  87     [outputFilePath release];
  88     [remoteURLAsString release];
  89     [streamSession release];
  90     [media release];
  91     [super dealloc];
  92 }
  93
  94 @synthesize streamSession;
  95 @synthesize selectedStreamOutput;
  96 @synthesize media;
  97 @synthesize outputFolderPath;
  98
  99 - (void)awakeFromNib
 100 {
 101     [window setShowsResizeIndicator:NO];
 102     [NSApp setDelegate: self];
 103 }
 104
 105 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification
 106 {
 107     [VLCLibrary sharedLibrary];
 108 }
 109
 110 - (NSString *)remoteURLAsString
 111 {
 112     return remoteURLAsString;
 113 }
 114
 115 - (void)setRemoteURLAsString:(NSString *)newURLAsString
 116 {
 117     [remoteURLAsString release];
 118     remoteURLAsString = [[newURLAsString copy] retain];
 119     media = [[newURLAsString copy] retain];
 120     [self setMedia:[VLCMedia mediaWithPath:newURLAsString]];
 121 }
 122
 123 + (NSSet *)keyPathsForValuesAffectingOutputFilePath
 124 {
 125     return [NSSet setWithObjects:@"media.metaDictionary.title", nil];
 126 }
 127
 128 - (void)freezeOutputFilePath
 129 {
 130     [outputFilePath release];
 131     outputFilePath = nil;
 132     outputFilePath = [self outputFilePath];
 133     [outputFilePath retain];
 134 }
 135
 136 - (NSString *)outputFilePath
 137 {
 138     if(outputFilePath)
 139         return [outputFilePath copy];
 140     VLCMedia * aMedia = self.streamSession ? self.streamSession.media ? self.streamSession.media : self.media : self.media;
 141     NSString * name = [[[aMedia metaDictionary] objectForKey:@"title"] lastPathComponent];
 142     NSString * extension = [selectedStreamOutput intValue] == 2 ? @"mpeg" : @"mp4";
 143     NSString * path = [NSString stringWithFormat:@"%@/%@.%@", self.outputFolderPath, name, extension ];
 144     int i;
 145     for( i = 0; [[NSFileManager defaultManager] fileExistsAtPath:path]; i ++)
 146     {
 147         path = [NSString stringWithFormat:@"%@/%@ %d.%@", self.outputFolderPath, name, i, extension ];
 148         if( i > 256 )
 149         {
 150             /* Don't got too far */
 151             /* FIXME: Be nicer with the user and give him a choice for the new name */
 152             NSRunAlertPanelRelativeToWindow(@"File already exists",
 153                 [NSString stringWithFormat:
 154                     @"File '%@', already exists. The old one will be deleted when the OK button will be pressed", path],
 155                 @"OK", nil, nil, window);
 156             break;
 157         }
 158     }
 159     return path;
 160 }
 161
 162
 163 - (IBAction)convert:(id)sender
 164 {
 165     VLCStreamOutput * streamOutput;
 166     [self.streamSession removeObserver:self forKeyPath:@"isComplete"];
 167
 168     self.streamSession = [VLCStreamSession streamSession];
 169     [self freezeOutputFilePath];
 170
 171     if([selectedStreamOutput intValue] == 2)
 172     {
 173         streamOutput = [VLCStreamOutput mpeg2StreamOutputWithFilePath:[self outputFilePath]];
 174     }
 175     else if([selectedStreamOutput intValue] == 1)
 176     {
 177         streamOutput = [VLCStreamOutput mpeg4StreamOutputWithFilePath:[self outputFilePath]];
 178     }
 179     else
 180         streamOutput = [VLCStreamOutput ipodStreamOutputWithFilePath:[self outputFilePath]];
 181
 182     /* Make sure we are exporting to a well known directory */
 183     [[NSFileManager defaultManager] createDirectoryAtPath:self.outputFolderPath attributes:nil];
 184
 185     [self.streamSession setStreamOutput:streamOutput];
 186     [self.streamSession setMedia:self.media];
 187     [self.streamSession startStreaming];
 188
 189     [self.streamSession addObserver:self forKeyPath:@"isComplete" options:NSKeyValueObservingOptionNew context:nil];
 190
 191     /* Show the new view */
 192     [[window contentView] addSubview:workingView];
 193     NSRect frame = [workingView frame];
 194     frame.origin.y -= NSHeight([window contentRectForFrameRect:[window frame]]) + 20.f;
 195     [workingView setFrame:frame];
 196     [[window animator] setFrame:NSMakeRect([window frame].origin.x, [window frame].origin.y-NSHeight([workingView frame]), NSWidth([window frame]), NSHeight([window frame])+NSHeight([workingView frame])) display:YES];
 197 }
 198
 199 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
 200 {
 201     if([keyPath isEqualToString:@"isComplete"])
 202     {
 203         if([self.streamSession isComplete])
 204         {
 205             /* Notify the user */
 206             [[NSSound soundNamed:@"Glass"] play];
 207
 208             /* Set the icon */
 209             [openConvertedFileButton setImage:[[NSWorkspace sharedWorkspace] iconForFile:[self outputFilePath]]];
 210
 211             /* Rename the link with a nicer name */
 212             NSString * oldPath = [self outputFilePath];
 213             [self freezeOutputFilePath];
 214             [[NSFileManager defaultManager] moveItemAtPath:oldPath toPath:[self outputFilePath] error:NULL];
 215         }
 216         return;
 217     }
 218     [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
 219 }
 220
 221 - (IBAction)openConvertedFile:(id)sender
 222 {
 223     [[NSWorkspace sharedWorkspace] openFile:[self outputFilePath]];
 224 }
 225
 226 - (IBAction)pickOutputFolderPath:(id)sender;
 227 {
 228     NSOpenPanel * panel = [NSOpenPanel openPanel];
 229     [panel setCanChooseFiles:NO];
 230     [panel setCanChooseDirectories:YES];
 231     [panel setAllowsMultipleSelection:NO];
 232     [panel beginSheetForDirectory:self.outputFolderPath file:nil types:nil modalForWindow:[sender window] modalDelegate:self didEndSelector:@selector(openPanelDidEnd:returnCode:contextInfo:) contextInfo:nil];
 233 }
 234
 235 - (void)openPanelDidEnd:(NSOpenPanel *)panel returnCode:(int)returnCode  contextInfo:(void  *)contextInfo
 236 {
 237     if(returnCode != NSOKButton || ![[panel filenames] count])
 238         return;
 239     self.outputFolderPath = [[panel filenames] objectAtIndex:0];
 240 }
 241
 242 - (IBAction)openConvertedEnclosingFolder:(id)sender
 243 {
 244     [[NSWorkspace sharedWorkspace] selectFile:[self outputFilePath] inFileViewerRootedAtPath:[[self outputFilePath] stringByDeletingLastPathComponent]];
 245 }
 246
 247 - (IBAction)cancel:(id)sender
 248 {
 249     [self.streamSession stop];
 250 }
 251
 252 @end