/*

File: MovieInspectorController.m

Abstract: This file contains methods which implement an Inspector

               window for a given movie, showing details about the movie

         such as size, duration, full file path and more.

Version: 1.0

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*/

#import "MovieInspectorController.h"

#import "MovieDocument.h"

#import "QTKitPlayerAppDelegate.h"

@implementation MovieInspectorController

#pragma mark Initialization

-(id)init

{

    self = [super initWithWindowNibName:@"Inspector"];

    mMovie = nil;

    // we want to be notified when our window

    // is closing so we can do cleanup

    [ [NSNotificationCenter defaultCenter]

       addObserver:self selector:@selector(closeWin:)

       name:NSWindowWillCloseNotification object:mInspectorPanel ];

    return self;

}

- (void)dealloc

{

    if (mMovie)

    {

        [mMovie release];

    }

    [super dealloc];

}

#pragma mark Window Handling

//////////

//

// doShowWindow

// Bring the window to the front and show it.

//

//////////

-(void)doShowWindow

{

    [self showWindow:self];

    [mInspectorPanel makeKeyAndOrderFront:self];

}

//////////

//

// closeWin

// Called when our window is closed so we can

// perform cleanup.

//

//////////

- (void)closeWin:(NSNotification *)notification

{

    // did our inspector window close?

    if ([notification object] == mInspectorPanel)

    {

        // tell App. delegate the inspector window has closed

        [[NSApp delegate] inspectorWindowHasClosed];

    }

}

//////////

//

// getMovieForCurrentDocument

// Return the QTMovie instance for the current movie document.

//

//////////

- (QTMovie *)getMovieForCurrentDocument

{

    NSDocumentController *documentController = [NSDocumentController sharedDocumentController];

    MovieDocument *currDoc = [documentController currentDocument];

    if (currDoc)

    {

        return ([currDoc qtmovie]);

    }

    return nil;

}

//////////

//

// updateInspectorWindowForMovie

// Update movie attributes in the Inspector window for the specified movie.

//

//////////

- (void) updateInspectorWindowForMovie:(QTMovie *)inMovie

{

    // save new movie

    [mMovie release];

    mMovie = inMovie;

    [mMovie retain];

    // display attributes for movie

    [self displayMovieDuration];

    [self displayMovieNormalSize];

    [self setCurrentSizeDisplay];

    [self setWindowTitleForMovie];

    [self displayMovieTrackFormat];

    [self setDisplayName];

}

//////////

//

// updateInspectorWindowForCurrentMovie

// Update movie attributes in the Inspector window for the current movie.

//

//////////

- (void) updateInspectorWindowForCurrentMovie

{

    // get QTMovie for current movie document

    QTMovie *currentMovie = [self getMovieForCurrentDocument];

    if (currentMovie)

    {

        // update Inspector for current movie

        [self updateInspectorWindowForMovie:currentMovie];

    }

}

#pragma mark Display Routines

//////////

//

// setWindowTitleForMovie

// Set the Window title to the Movie name.

//

//////////

- (void)setWindowTitleForMovie

{

    if (mMovie)

    {

        if ([mMovie attributeForKey:QTMovieDisplayNameAttribute])

        {

            NSString *nameStr = [mMovie attributeForKey:QTMovieDisplayNameAttribute];

            if (nameStr)

            {

                NSMutableString *finalStr = [NSMutableString stringWithString:nameStr];

                [finalStr appendString:@" - Inspector"];

                [mInspectorPanel setTitle:finalStr];

            }

        }

    }

}

//////////

//

// setDisplayName

// Set the Movie path name in the Inspector window.

//

//////////

- (void)setDisplayName

{

    if (mMovie)

    {

        if ([mMovie attributeForKey:QTMovieURLAttribute])

        {

            NSURL *movieURL = [mMovie attributeForKey:QTMovieURLAttribute];

            if (movieURL)

            {

                [mDisplayName setStringValue:[movieURL path]];

            }

        }

    }

}

//////////

//

// displayMovieDuration

// Set the Movie duration text field in the Inspector window.

//

//////////

- (void)displayMovieDuration

{

    if (mMovie)

    {

        if ([mMovie attributeForKey:QTMovieHasDurationAttribute])

        {

            NSString *durStr = QTStringFromTime([[mMovie attributeForKey:QTMovieDurationAttribute] QTTimeValue]);

            if (durStr)

            {

                [mDuration setStringValue:durStr];

            }

        }

    }

}

//////////

//

// displayMovieTrackFormat

// Set the Movie track format summary field in the Inspector window.

//

//////////

- (void)displayMovieTrackFormat

{

    if (mMovie)

    {

        [mFormat setStringValue:@""];

        NSMutableString *trackFormatStr = [NSMutableString string];

        NSArray *tracksArray = [mMovie tracks];

        int i, tracks = [tracksArray count];

        for (i=0; i<tracks; ++i)

        {

            QTTrack *track = [tracksArray objectAtIndex:i];

            if ([track attributeForKey:QTTrackFormatSummaryAttribute] && ([track isEnabled] == YES))

            {

                NSString *formatStr = [track attributeForKey:QTTrackFormatSummaryAttribute];

                if (formatStr)

                {

                    [trackFormatStr appendFormat:@"(Track %i) ", i];

                    [trackFormatStr appendString:formatStr];

                    [trackFormatStr appendString:@" "];

                }

            }

        }

        [mFormat setStringValue:trackFormatStr];

    }

}

//////////

//

// displayMovieNormalSize

// Set the Movie Normal Size text field in the Inspector window.

//

//////////

- (void)displayMovieNormalSize

{

    if (mMovie)

    {

        NSMutableString *sizeString = [NSMutableString string];

        NSSize movSize = NSMakeSize(0,0);

        movSize = [[mMovie attributeForKey:QTMovieNaturalSizeAttribute] sizeValue];

        [sizeString appendFormat:@"%.0f", movSize.width];

        [sizeString appendString:@" x "];

        [sizeString appendFormat:@"%.0f", movSize.height];

        [mNormalSize setStringValue:sizeString];

    }

}

//////////

//

// setCurrentSize

// Set the Movie Current Size text field in the Inspector window.

//

//////////

- (void)setCurrentSizeDisplay

{

    if (mMovie)

    {

        NSSize movCurrentSize = NSMakeSize(0,0);

        movCurrentSize = [[mMovie attributeForKey:QTMovieCurrentSizeAttribute] sizeValue];

        NSMutableString *sizeString = [NSMutableString string];

        [sizeString appendFormat:@"%.0f", movCurrentSize.width];

        [sizeString appendString:@" x "];

        [sizeString appendFormat:@"%.0f", movCurrentSize.height];

        [sizeString appendString:@" (Actual)"];

        [mCurrentSize setStringValue:sizeString];

    }

}

@end