/*

File:       MyDocument.m

Abstract:   implementation file for NSDocument subclass.

Version:    1.0

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*/

// tests movie:shouldContinueOperation:... in QTKit; run app, open a movie,and then select "Save As..."; 

// starts exporting to 3gpp file and displays a cancellable progress panel.

// note that the interaction for the Cancel button is not optimal; we specifically go looking for clicks on that button inside the

// movie:shouldContinueOperation delegate. This is pretty much the best we can do in a nonthreaded sample.

#import "MyDocument.h"

@implementation MyDocument

- (id)init

{

    self = [super init];

    if (self) {

        // Add your subclass-specific initialization here.

        // If an error occurs here, send a [self release] message and return nil.

    }

    return self;

}

- (NSString *)windowNibName

{

    // Override returning the nib file name of the document

    // If you need to use a subclass of NSWindowController or if your document supports multiple NSWindowControllers, you should remove this method and override -makeWindowControllers instead.

    return @"MyDocument";

}

- (void)windowControllerDidLoadNib:(NSWindowController *) aController

{

    [super windowControllerDidLoadNib:aController];

    if ([self fileName]) {

        QTMovie *movie = [QTMovie movieWithFile:[self fileName] error:nil];

        if (movie)

            [movieView setMovie:movie];

        [movie setDelegate:self];

    }

}

- (NSData *)dataRepresentationOfType:(NSString *)aType

{

    // Insert code here to write your document from the given data.  You can also choose to override -fileWrapperRepresentationOfType: or -writeToFile:ofType: instead.

    return nil;

}

- (BOOL)loadDataRepresentation:(NSData *)data ofType:(NSString *)aType

{

    // Insert code here to read your document from the given data.  You can also choose to override -loadFileWrapperRepresentation:ofType: or -readFromFile:ofType: instead.

    return YES;

}

- (BOOL)movie:(QTMovie *)movie shouldContinueOperation:(NSString *)op withPhase:(QTMovieOperationPhase)phase atPercent:(NSNumber *)percent withAttributes:(NSDictionary *)attributes

{

    OSErr   err = noErr;

    NSEvent *event;

    double  percentDoneDouble = (double)[percent doubleValue] * 100.0;

    switch (phase) {

        case QTMovieOperationBeginPhase:

            // set up the progress panel

            [progressText setStringValue:op];

            [progressBar setDoubleValue:0];

            // show the progress sheet

            [NSApp beginSheet:progressPanel modalForWindow:[movieView window] modalDelegate:nil didEndSelector:nil contextInfo:nil];

            break;

        case QTMovieOperationUpdatePercentPhase:

            // update the percent done

            [progressBar setDoubleValue:percentDoneDouble];

            [progressBar display];

            break;

        case QTMovieOperationEndPhase:

            [NSApp endSheet:progressPanel];

            [progressPanel close];

            break;

    }

    // cancel (if requested)

    event = [progressPanel nextEventMatchingMask:NSLeftMouseUpMask untilDate:[NSDate distantPast] inMode:NSDefaultRunLoopMode dequeue:YES];

    if (event && NSPointInRect([event locationInWindow], [cancelButton frame])) {

        [cancelButton performClick:self];

        err = userCanceledErr;

    }

    return (err == noErr);

}

- (IBAction)saveDocumentAs:(id)sender

{

    NSSavePanel *savePanel = [NSSavePanel savePanel];

    QTMovie *movie = [movieView movie];

    int result;

    NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithInt:1], QTMovieExport, 

                                                                    [NSNumber numberWithInt:kQTFileType3GPP], QTMovieExportType, nil];

    result = [savePanel runModal];

    if (result == NSOKButton)

        [movie writeToFile:[savePanel filename] withAttributes:dict];

}

- (IBAction)cancelOp:(id)sender

{

    [self movie:[movieView movie] shouldContinueOperation:nil withPhase:QTMovieOperationEndPhase atPercent:nil withAttributes:nil];

}

@end