/macosx/Controller.m

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/* $Id: Controller.mm,v 1.79 2005/11/04 19:41:32 titer Exp $

   This file is part of the HandBrake source code.
   Homepage: <http://handbrake.fr/>.
   It may be used under the terms of the GNU General Public License. */

#include <dlfcn.h>
#import "Controller.h"
#import "HBOutputPanelController.h"
#import "HBPreferencesController.h"
#import "HBDVDDetector.h"
#import "HBPresets.h"
#import "HBPreviewController.h"

unsigned int maximumNumberOfAllowedAudioTracks = 24;
NSString *HBContainerChangedNotification = @"HBContainerChangedNotification";
NSString *keyContainerTag = @"keyContainerTag";
NSString *HBTitleChangedNotification = @"HBTitleChangedNotification";
NSString *keyTitleTag = @"keyTitleTag";

#define DragDropSimplePboardType 	@"MyCustomOutlineViewPboardType"

/* We setup the toolbar values here ShowPreviewIdentifier */
static NSString *        ToggleDrawerIdentifier             = @"Toggle Drawer Item Identifier";
static NSString *        StartEncodingIdentifier            = @"Start Encoding Item Identifier";
static NSString *        PauseEncodingIdentifier            = @"Pause Encoding Item Identifier";
static NSString *        ShowQueueIdentifier                = @"Show Queue Item Identifier";
static NSString *        AddToQueueIdentifier               = @"Add to Queue Item Identifier";
static NSString *        ShowPictureIdentifier             = @"Show Picture Window Item Identifier";
static NSString *        ShowPreviewIdentifier             = @"Show Preview Window Item Identifier";
static NSString *        ShowActivityIdentifier             = @"Debug Output Item Identifier";
static NSString *        ChooseSourceIdentifier             = @"Choose Source Item Identifier";


/*******************************
 * HBController implementation *
 *******************************/
@implementation HBController

+ (unsigned int) maximumNumberOfAllowedAudioTracks	{	return maximumNumberOfAllowedAudioTracks;	}

- (id)init
{
    self = [super init];
    if( !self )
    {
        return nil;
    }

    /* replace bundled app icon with one which is 32/64-bit savvy */
#if defined( __LP64__ )
    fApplicationIcon = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForImageResource:@"HandBrake-64.icns"]];
#else
    fApplicationIcon = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForImageResource:@"HandBrake.icns"]];
#endif
    if( fApplicationIcon != nil )
        [NSApp setApplicationIconImage:fApplicationIcon];
    
    [HBPreferencesController registerUserDefaults];
    fHandle = NULL;
    fQueueEncodeLibhb = NULL;
    /* Check for check for the app support directory here as
     * outputPanel needs it right away, as may other future methods
     */
    NSString *libraryDir = [NSSearchPathForDirectoriesInDomains( NSLibraryDirectory,
                                                                NSUserDomainMask,
                                                                YES ) objectAtIndex:0];
    AppSupportDirectory = [[libraryDir stringByAppendingPathComponent:@"Application Support"]
                           stringByAppendingPathComponent:@"HandBrake"];
    if( ![[NSFileManager defaultManager] fileExistsAtPath:AppSupportDirectory] )
    {
        [[NSFileManager defaultManager] createDirectoryAtPath:AppSupportDirectory
                                                   attributes:nil];
    }
    /* Check for and create the App Support Preview directory if necessary */
    NSString *PreviewDirectory = [AppSupportDirectory stringByAppendingPathComponent:@"Previews"];
    if( ![[NSFileManager defaultManager] fileExistsAtPath:PreviewDirectory] )
    {
        [[NSFileManager defaultManager] createDirectoryAtPath:PreviewDirectory
                                                   attributes:nil];
    }                                                            
    outputPanel = [[HBOutputPanelController alloc] init];
    fPictureController = [[PictureController alloc] init];
    fQueueController = [[HBQueueController alloc] init];
    fAdvancedOptions = [[HBAdvancedController alloc] init];
    /* we init the HBPresets class which currently is only used
     * for updating built in presets, may move more functionality
     * there in the future
     */
    fPresetsBuiltin = [[HBPresets alloc] init];
    fPreferencesController = [[HBPreferencesController alloc] init];
    /* Lets report the HandBrake version number here to the activity log and text log file */
    NSString *versionStringFull = [[NSString stringWithFormat: @"Handbrake Version: %@", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]] stringByAppendingString: [NSString stringWithFormat: @" (%@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]]];
    [self writeToActivityLog: "%s", [versionStringFull UTF8String]];
    
    return self;
}


- (void) applicationDidFinishLaunching: (NSNotification *) notification
{
    /* Init libhb with check for updates libhb style set to "0" so its ignored and lets sparkle take care of it */
    int loggingLevel = [[[NSUserDefaults standardUserDefaults] objectForKey:@"LoggingLevel"] intValue];
    fHandle = hb_init(loggingLevel, 0);
    /* Optional dvd nav UseDvdNav*/
    hb_dvd_set_dvdnav([[[NSUserDefaults standardUserDefaults] objectForKey:@"UseDvdNav"] boolValue]);
    /* Init a separate instance of libhb for user scanning and setting up jobs */
    fQueueEncodeLibhb = hb_init(loggingLevel, 0);
    
	// Set the Growl Delegate
    [GrowlApplicationBridge setGrowlDelegate: self];
    /* Init others controllers */
    [fPictureController SetHandle: fHandle];
    [fPictureController   setHBController: self];
    
    [fQueueController   setHandle: fQueueEncodeLibhb];
    [fQueueController   setHBController: self];

    fChapterTitlesDelegate = [[ChapterTitles alloc] init];
    [fChapterTable setDataSource:fChapterTitlesDelegate];
    [fChapterTable setDelegate:fChapterTitlesDelegate];
    
    /* setup the subtitles delegate and connections to table */
    fSubtitlesDelegate = [[HBSubtitles alloc] init];
    [fSubtitlesTable setDataSource:fSubtitlesDelegate];
    [fSubtitlesTable setDelegate:fSubtitlesDelegate];
    [fSubtitlesTable setRowHeight:25.0];
    
	/* setup the audio controller */
	[fAudioDelegate setHBController: self];
	[[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(autoSetM4vExtension:) name: HBMixdownChangedNotification object: nil];

    [fPresetsOutlineView setAutosaveName:@"Presets View"];
    [fPresetsOutlineView setAutosaveExpandedItems:YES];
    
    dockIconProgress = 0;
    
    /* Init QueueFile .plist */
    [self loadQueueFile];
    /* Run hbInstances to get any info on other instances as well as set the
     * pid number for this instance in the case of multi-instance encoding. */ 
    hbInstanceNum = [self hbInstances];
    
    /* If we are a single instance it is safe to clean up the previews if there are any
     * left over. This is a bit of a kludge but will prevent a build up of old instance
     * live preview cruft. No danger of removing an active preview directory since they
     * are created later in HBPreviewController if they don't exist at the moment a live
     * preview encode is initiated. */
    if (hbInstanceNum == 1)
    {
        NSString *PreviewDirectory = [NSString stringWithFormat:@"~/Library/Application Support/HandBrake/Previews"];
        PreviewDirectory = [PreviewDirectory stringByExpandingTildeInPath];
        NSError *error;
        NSArray *files = [ [NSFileManager defaultManager]  contentsOfDirectoryAtPath: PreviewDirectory error: &error ];
        for( NSString *file in files ) 
        {
            if( file != @"." && file != @".." ) 
            {
                [ [NSFileManager defaultManager] removeItemAtPath: [ PreviewDirectory stringByAppendingPathComponent: file ] error: &error ];
                if( error ) 
                { 
                    //an error occurred...
                    [self writeToActivityLog: "Could not remove existing preview at : %s",[file UTF8String] ];
                }
            }    
        }
        
    }
    
     
    
    /* Call UpdateUI every 1/2 sec */
    
    [[NSRunLoop currentRunLoop] addTimer:[NSTimer
                                          scheduledTimerWithTimeInterval:0.5 
                                          target:self
                                          selector:@selector(updateUI:) 
                                          userInfo:nil repeats:YES]
                                          forMode:NSDefaultRunLoopMode];
                             

    // Open debug output window now if it was visible when HB was closed
    if ([[NSUserDefaults standardUserDefaults] boolForKey:@"OutputPanelIsOpen"])
        [self showDebugOutputPanel:nil];

    // Open queue window now if it was visible when HB was closed
    if ([[NSUserDefaults standardUserDefaults] boolForKey:@"QueueWindowIsOpen"])
        [self showQueueWindow:nil];

	[self openMainWindow:nil];
    
    /* We have to set the bool to tell hb what to do after a scan
     * Initially we set it to NO until we start processing the queue
     */
     applyQueueToScan = NO;
    
    /* Now we re-check the queue array to see if there are
     * any remaining encodes to be done in it and ask the
     * user if they want to reload the queue */
    if ([QueueFileArray count] > 0)
	{
        /* run  getQueueStats to see whats in the queue file */
        [self getQueueStats];
        /* this results in these values
         * fEncodingQueueItem = 0;
         * fPendingCount = 0;
         * fCompletedCount = 0;
         * fCanceledCount = 0;
         * fWorkingCount = 0;
         */
        
        /*On Screen Notification*/
        NSString * alertTitle;
        
        /* We check to see if there is already another instance of hb running.
         * Note: hbInstances == 1 means we are the only instance of HandBrake.app
         */
        if (hbInstanceNum > 1)
        {
            alertTitle = [NSString stringWithFormat:
                          NSLocalizedString(@"There is already an instance of HandBrake running.", @"")];
            NSBeginCriticalAlertSheet(
                                      alertTitle,
                                      NSLocalizedString(@"Reload Queue", nil),
                                      nil,
                                      nil,
                                      fWindow, self,
                                      nil, @selector(didDimissReloadQueue:returnCode:contextInfo:), nil,
                                      NSLocalizedString(@" HandBrake will now load up the existing queue.", nil));    
        }
        else
        {
            if (fWorkingCount > 0 || fPendingCount > 0)
            {
                if (fWorkingCount > 0)
                {
                    alertTitle = [NSString stringWithFormat:
                                  NSLocalizedString(@"HandBrake Has Detected %d Previously Encoding Item(s) and %d Pending Item(s) In Your Queue.", @""),
                                  fWorkingCount,fPendingCount];
                }
                else
                {
                    alertTitle = [NSString stringWithFormat:
                                  NSLocalizedString(@"HandBrake Has Detected %d Pending Item(s) In Your Queue.", @""),
                                  fPendingCount];
                }
                
                NSBeginCriticalAlertSheet(
                                          alertTitle,
                                          NSLocalizedString(@"Reload Queue", nil),
                                          nil,
                                          NSLocalizedString(@"Empty Queue", nil),
                                          fWindow, self,
                                          nil, @selector(didDimissReloadQueue:returnCode:contextInfo:), nil,
                                          NSLocalizedString(@" Do you want to reload them ?", nil));
            }
            else
            {
                /* Since we addressed any pending or previously encoding items above, we go ahead and make sure the queue
                 * is empty of any finished items or cancelled items */
                [self clearQueueAllItems];
                /* We show whichever open source window specified in LaunchSourceBehavior preference key */
                if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"LaunchSourceBehavior"] isEqualToString: @"Open Source"])
                {
                    [self browseSources:nil];
                }
                
                if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"LaunchSourceBehavior"] isEqualToString: @"Open Source (Title Specific)"])
                {
                    [self browseSources:(id)fOpenSourceTitleMMenu];
                }
            }
            
        }
    }
    else
    {
        /* We show whichever open source window specified in LaunchSourceBehavior preference key */
        if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"LaunchSourceBehavior"] isEqualToString: @"Open Source"])
        {
            [self browseSources:nil];
        }
        
        if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"LaunchSourceBehavior"] isEqualToString: @"Open Source (Title Specific)"])
        {
            [self browseSources:(id)fOpenSourceTitleMMenu];
        }
    }
    currentQueueEncodeNameString = @"";
}

#pragma mark -
#pragma mark Multiple Instances

/* hbInstances checks to see if other instances of HB are running and also sets the pid for this instance for multi-instance queue encoding */
 
 /* Note for now since we are in early phases of multi-instance I have put in quite a bit of logging. Can be removed as we see fit. */
- (int) hbInstances
{
    /* check to see if another instance of HandBrake.app is running */
    NSArray *runningAppDictionaries = [[NSWorkspace sharedWorkspace] launchedApplications];
    NSDictionary *runningAppsDictionary;
    int hbInstances = 0;
    NSString * thisInstanceAppPath = [[NSBundle mainBundle] bundlePath];
    NSString * runningInstanceAppPath;
    int runningInstancePidNum;
    [self writeToActivityLog: "hbInstances path to this instance: %s", [thisInstanceAppPath UTF8String]];
    for (runningAppsDictionary in runningAppDictionaries)
	{
        if ([[runningAppsDictionary valueForKey:@"NSApplicationName"] isEqualToString:@"HandBrake"])
		{
            /*Report the path to each active instances app path */
            runningInstancePidNum = [[runningAppsDictionary valueForKey:@"NSApplicationProcessIdentifier"] intValue];
            runningInstanceAppPath = [runningAppsDictionary valueForKey:@"NSApplicationPath"];
            [self writeToActivityLog: "hbInstance found instance pidnum:%d at path: %s", runningInstancePidNum, [runningInstanceAppPath UTF8String]];
            /* see if this is us by comparing the app path */
            if ([runningInstanceAppPath isEqualToString: thisInstanceAppPath])
            {
                /* If so this is our pidnum */
                [self writeToActivityLog: "hbInstance MATCH FOUND, our pidnum is:%d", runningInstancePidNum];
                /* Get the PID number for this hb instance, used in multi instance encoding */
                pidNum = runningInstancePidNum;
                /* Report this pid to the activity log */
                [self writeToActivityLog: "Pid for this instance:%d", pidNum];
                /* Tell fQueueController what our pidNum is */
                [fQueueController setPidNum:pidNum];
            }
            hbInstances++;
        }
    }
    return hbInstances;
}

- (int) getPidnum
{
    return pidNum;
}

#pragma mark -

- (void) didDimissReloadQueue: (NSWindow *)sheet returnCode: (int)returnCode contextInfo: (void *)contextInfo
{
    
    [self writeToActivityLog: "didDimissReloadQueue number of hb instances:%d", hbInstanceNum];
    if (returnCode == NSAlertOtherReturn)
    {
        [self writeToActivityLog: "didDimissReloadQueue NSAlertOtherReturn Chosen"];
        [self clearQueueAllItems];
        
        /* We show whichever open source window specified in LaunchSourceBehavior preference key */
        if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"LaunchSourceBehavior"] isEqualToString: @"Open Source"])
        {
            [self browseSources:nil];
        }
        
        if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"LaunchSourceBehavior"] isEqualToString: @"Open Source (Title Specific)"])
        {
            [self browseSources:(id)fOpenSourceTitleMMenu];
        }
    }
    else
    {
        [self writeToActivityLog: "didDimissReloadQueue First Button Chosen"];
        if (hbInstanceNum == 1)
        {
            
            [self setQueueEncodingItemsAsPending];
        }
        [self showQueueWindow:NULL];
    }
}

- (NSApplicationTerminateReply) applicationShouldTerminate: (NSApplication *) app
{

    
    hb_state_t s;
    hb_get_state( fQueueEncodeLibhb, &s );
    
    if ( s.state != HB_STATE_IDLE )
    {
        int result = NSRunCriticalAlertPanel(
                                             NSLocalizedString(@"Are you sure you want to quit HandBrake?", nil),
                                             NSLocalizedString(@"If you quit HandBrake your current encode will be reloaded into your queue at next launch. Do you want to quit anyway?", nil),
                                             NSLocalizedString(@"Quit", nil), NSLocalizedString(@"Don't Quit", nil), nil, @"A movie" );
        
        if (result == NSAlertDefaultReturn)
        {
            return NSTerminateNow;
        }
        else
            return NSTerminateCancel;
    }
    
    // Warn if items still in the queue
    else if ( fPendingCount > 0 )
    {
        int result = NSRunCriticalAlertPanel(
                                             NSLocalizedString(@"Are you sure you want to quit HandBrake?", nil),
                                             NSLocalizedString(@"There are pending encodes in your queue. Do you want to quit anyway?",nil),
                                             NSLocalizedString(@"Quit", nil), NSLocalizedString(@"Don't Quit", nil), nil);
        
        if ( result == NSAlertDefaultReturn )
            return NSTerminateNow;
        else
            return NSTerminateCancel;
    }
    
    return NSTerminateNow;
}

- (void)applicationWillTerminate:(NSNotification *)aNotification
{
    [currentQueueEncodeNameString release];
    [browsedSourceDisplayName release];
    [outputPanel release];
	[fQueueController release];
    [fPreviewController release];
    [fPictureController release];
    [fApplicationIcon release];

    hb_close(&fHandle);
    hb_close(&fQueueEncodeLibhb);
    hb_global_close();

}


- (void) awakeFromNib
{
    [fWindow center];
    [fWindow setExcludedFromWindowsMenu:NO];
    
    [fAdvancedOptions setView:fAdvancedView];
    
    /* lets setup our presets drawer for drag and drop here */
    [fPresetsOutlineView registerForDraggedTypes: [NSArray arrayWithObject:DragDropSimplePboardType] ];
    [fPresetsOutlineView setDraggingSourceOperationMask:NSDragOperationEvery forLocal:YES];
    [fPresetsOutlineView setVerticalMotionCanBeginDrag: YES];
    
    /* Initialize currentScanCount so HB can use it to
     evaluate successive scans */
	currentScanCount = 0;
    
    
    /* Init UserPresets .plist */
	[self loadPresets];
	
    fRipIndicatorShown = NO;  // initially out of view in the nib
    
    /* For 64 bit builds, the threaded animation in the progress
     * indicators conflicts with the animation in the advanced tab
     * for reasons not completely clear. jbrjake found a note in the
     * 10.5 dev notes regarding this possiblility. It was also noted
     * that unless specified, setUsesThreadedAnimation defaults to true.
     * So, at least for now we set the indicator animation to NO for
     * both the scan and regular progress indicators for both 32 and 64 bit
     * as it test out fine on both and there is no reason our progress indicators
     * should require their own thread.
     */

    [fScanIndicator setUsesThreadedAnimation:NO];
    [fRipIndicator setUsesThreadedAnimation:NO];
  
    
    
	/* Show/Dont Show Presets drawer upon launch based
     on user preference DefaultPresetsDrawerShow*/
	if( [[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultPresetsDrawerShow"] > 0 )
	{
        [fPresetDrawer setDelegate:self];
        NSSize drawerSize = NSSizeFromString( [[NSUserDefaults standardUserDefaults] 
                                               stringForKey:@"Drawer Size"] );
        if( drawerSize.width )
            [fPresetDrawer setContentSize: drawerSize];
		[fPresetDrawer open];
	}
    
    /* Initially set the dvd angle widgets to hidden (dvdnav only) */
    [fSrcAngleLabel setHidden:YES];
    [fSrcAnglePopUp setHidden:YES];
    
    /* Setup the start / stop popup */
    [fEncodeStartStopPopUp removeAllItems];
    [fEncodeStartStopPopUp addItemWithTitle: @"Chapters"];
    [fEncodeStartStopPopUp addItemWithTitle: @"Seconds"];
    [fEncodeStartStopPopUp addItemWithTitle: @"Frames"];
    /* Align the start / stop widgets with the chapter popups */
    [fSrcTimeStartEncodingField setFrameOrigin:[fSrcChapterStartPopUp frame].origin];
    [fSrcTimeEndEncodingField setFrameOrigin:[fSrcChapterEndPopUp frame].origin];
    
    [fSrcFrameStartEncodingField setFrameOrigin:[fSrcChapterStartPopUp frame].origin];
    [fSrcFrameEndEncodingField setFrameOrigin:[fSrcChapterEndPopUp frame].origin];
    
    /* Destination box*/
    NSMenuItem *menuItem;
    [fDstFormatPopUp removeAllItems];
    // MP4 file
    menuItem = [[fDstFormatPopUp menu] addItemWithTitle:@"MP4 file" action: NULL keyEquivalent: @""];
    [menuItem setTag: HB_MUX_MP4];
	// MKV file
    menuItem = [[fDstFormatPopUp menu] addItemWithTitle:@"MKV file" action: NULL keyEquivalent: @""];
    [menuItem setTag: HB_MUX_MKV];
    
    [fDstFormatPopUp selectItemAtIndex: 0];
    
    [self formatPopUpChanged:nil];
    
	/* We enable the create chapters checkbox here since we are .mp4 */
	[fCreateChapterMarkers setEnabled: YES];
	if ([fDstFormatPopUp indexOfSelectedItem] == 0 && [[NSUserDefaults standardUserDefaults] boolForKey:@"DefaultChapterMarkers"] > 0)
	{
		[fCreateChapterMarkers setState: NSOnState];
	}
    
    
    
    
    [fDstFile2Field setStringValue: [NSString stringWithFormat:
                                     @"%@/Desktop/Movie.mp4", NSHomeDirectory()]];
    
    /* Video encoder */
    [fVidEncoderPopUp removeAllItems];
    [fVidEncoderPopUp addItemWithTitle: @"FFmpeg"];
    
    
    /* Video quality */
    [fVidTargetSizeField setIntValue: 700];
	[fVidBitrateField    setIntValue: 1000];
    
    [fVidQualityMatrix   selectCell: fVidBitrateCell];
    [self videoMatrixChanged:nil];
    
    /* Video framerate */
    [fVidRatePopUp removeAllItems];
	[fVidRatePopUp addItemWithTitle: NSLocalizedString( @"Same as source", @"" )];
    for( int i = 0; i < hb_video_rates_count; i++ )
    {
        if ([[NSString stringWithUTF8String: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%.3f",23.976]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
                                             [NSString stringWithUTF8String: hb_video_rates[i].string], @" (NTSC Film)"]];
		}
		else if ([[NSString stringWithUTF8String: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%d",25]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
                                             [NSString stringWithUTF8String: hb_video_rates[i].string], @" (PAL Film/Video)"]];
		}
		else if ([[NSString stringWithUTF8String: hb_video_rates[i].string] isEqualToString: [NSString stringWithFormat: @"%.2f",29.97]])
		{
			[fVidRatePopUp addItemWithTitle:[NSString stringWithFormat: @"%@%@",
                                             [NSString stringWithUTF8String: hb_video_rates[i].string], @" (NTSC Video)"]];
		}
		else
		{
			[fVidRatePopUp addItemWithTitle:
             [NSString stringWithUTF8String: hb_video_rates[i].string]];
		}
    }
    [fVidRatePopUp selectItemAtIndex: 0];
	
	/* Set Auto Crop to On at launch */
    [fPictureController setAutoCrop:YES];
		
    /* Bottom */
    [fStatusField setStringValue: @""];
    
    [self enableUI: NO];
	[self setupToolbar];
    
	/* We disable the Turbo 1st pass checkbox since we are not x264 */
	[fVidTurboPassCheck setEnabled: NO];
	[fVidTurboPassCheck setState: NSOffState];
    
    
	/* lets get our default prefs here */
	[self getDefaultPresets:nil];
	/* lets initialize the current successful scancount here to 0 */
	currentSuccessfulScanCount = 0;
}

- (void) enableUI: (bool) b
{
    NSControl * controls[] =
    { fSrcTitleField, fSrcTitlePopUp,
        fSrcChapterField, fSrcChapterStartPopUp, fSrcChapterToField,
        fSrcChapterEndPopUp, fSrcDuration1Field, fSrcDuration2Field,
        fDstFormatField, fDstFormatPopUp, fDstFile1Field, fDstFile2Field,
        fDstBrowseButton, fVidRateField, fVidRatePopUp,fVidEncoderField, fVidEncoderPopUp, fVidQualityField,
        fPictureSizeField,fPictureCroppingField, fVideoFiltersField,fVidQualityMatrix, fSubField, fSubPopUp,
        fQueueStatus,fPresetsAdd,fPresetsDelete,fSrcAngleLabel,fSrcAnglePopUp,
		fCreateChapterMarkers,fVidTurboPassCheck,fDstMp4LargeFileCheck,fSubForcedCheck,fPresetsOutlineView,
        fDstMp4HttpOptFileCheck,fDstMp4iPodFileCheck,fVidQualityRFField,fVidQualityRFLabel,
        fEncodeStartStopPopUp,fSrcTimeStartEncodingField,fSrcTimeEndEncodingField,fSrcFrameStartEncodingField,
        fSrcFrameEndEncodingField, fLoadChaptersButton, fSaveChaptersButton, fFrameratePfrCheck};
    
    for( unsigned i = 0;
        i < sizeof( controls ) / sizeof( NSControl * ); i++ )
    {
        if( [[controls[i] className] isEqualToString: @"NSTextField"] )
        {
            NSTextField * tf = (NSTextField *) controls[i];
            if( ![tf isBezeled] )
            {
                [tf setTextColor: b ? [NSColor controlTextColor] :
                 [NSColor disabledControlTextColor]];
                continue;
            }
        }
        [controls[i] setEnabled: b];
        
    }
    
	if (b) 
    {
        
        /* we also call calculatePictureSizing here to sense check if we already have vfr selected */
        [self calculatePictureSizing:nil];
        /* Also enable the preview window hud controls */
        [fPictureController enablePreviewHudControls];
    }
    else 
    {
        
		[fPresetsOutlineView setEnabled: NO];
        [fPictureController disablePreviewHudControls];
    }
    
    [self videoMatrixChanged:nil];
    [fAdvancedOptions enableUI:b];
}


/***********************************************************************
 * UpdateDockIcon
 ***********************************************************************
 * Shows a progression bar on the dock icon, filled according to
 * 'progress' (0.0 <= progress <= 1.0).
 * Called with progress < 0.0 or progress > 1.0, restores the original
 * icon.
 **********************************************************************/
- (void) UpdateDockIcon: (float) progress
{
    NSData * tiff;
    NSBitmapImageRep * bmp;
    uint32_t * pen;
    uint32_t black = htonl( 0x000000FF );
    uint32_t red   = htonl( 0xFF0000FF );
    uint32_t white = htonl( 0xFFFFFFFF );
    int row_start, row_end;
    int i, j;

    if( progress < 0.0 || progress > 1.0 )
    {
        [NSApp setApplicationIconImage: fApplicationIcon];
        return;
    }

    /* Get it in a raw bitmap form */
    tiff = [fApplicationIcon TIFFRepresentationUsingCompression:
            NSTIFFCompressionNone factor: 1.0];
    bmp = [NSBitmapImageRep imageRepWithData: tiff];
    
    /* Draw the progression bar */
    /* It's pretty simple (ugly?) now, but I'm no designer */

    row_start = 3 * (int) [bmp size].height / 4;
    row_end   = 7 * (int) [bmp size].height / 8;

    for( i = row_start; i < row_start + 2; i++ )
    {
        pen = (uint32_t *) ( [bmp bitmapData] + i * [bmp bytesPerRow] );
        for( j = 0; j < (int) [bmp size].width; j++ )
        {
            pen[j] = black;
        }
    }
    for( i = row_start + 2; i < row_end - 2; i++ )
    {
        pen = (uint32_t *) ( [bmp bitmapData] + i * [bmp bytesPerRow] );
        pen[0] = black;
        pen[1] = black;
        for( j = 2; j < (int) [bmp size].width - 2; j++ )
        {
            if( j < 2 + (int) ( ( [bmp size].width - 4.0 ) * progress ) )
            {
                pen[j] = red;
            }
            else
            {
                pen[j] = white;
            }
        }
        pen[j]   = black;
        pen[j+1] = black;
    }
    for( i = row_end - 2; i < row_end; i++ )
    {
        pen = (uint32_t *) ( [bmp bitmapData] + i * [bmp bytesPerRow] );
        for( j = 0; j < (int) [bmp size].width; j++ )
        {
            pen[j] = black;
        }
    }

    /* Now update the dock icon */
    tiff = [bmp TIFFRepresentationUsingCompression:
            NSTIFFCompressionNone factor: 1.0];
    NSImage* icon = [[NSImage alloc] initWithData: tiff];
    [NSApp setApplicationIconImage: icon];
    [icon release];
}

- (void) updateUI: (NSTimer *) timer
{
    
    /* Update UI for fHandle (user scanning instance of libhb ) */
    
    hb_list_t  * list;
    list = hb_get_titles( fHandle );
    /* check to see if there has been a new scan done
     this bypasses the constraints of HB_STATE_WORKING
     not allowing setting a newly scanned source */
	int checkScanCount = hb_get_scancount( fHandle );
	if( checkScanCount > currentScanCount )
	{
		currentScanCount = checkScanCount;
        [fScanIndicator setIndeterminate: NO];
        [fScanIndicator setDoubleValue: 0.0];
        [fScanIndicator setHidden: YES];
		[self showNewScan:nil];
	}
    
    hb_state_t s;
    hb_get_state( fHandle, &s );
    
    switch( s.state )
    {
        case HB_STATE_IDLE:
            break;
#define p s.param.scanning
        case HB_STATE_SCANNING:
		{
            [fSrcDVD2Field setStringValue: [NSString stringWithFormat:
                                            NSLocalizedString( @"Scanning title %d of %d...", @"" ),
                                            p.title_cur, p.title_count]];
            [fScanIndicator setHidden: NO];
            [fScanIndicator setDoubleValue: 100.0 * ((double)( p.title_cur - 1 ) / p.title_count)];
            break;
		}
#undef p
            
#define p s.param.scandone
        case HB_STATE_SCANDONE:
        {
            [fScanIndicator setIndeterminate: NO];
            [fScanIndicator setDoubleValue: 0.0];
            [fScanIndicator setHidden: YES];
			[self writeToActivityLog:"ScanDone state received from fHandle"];
            [self showNewScan:nil];
            [[fWindow toolbar] validateVisibleItems];
            
			break;
        }
#undef p
            
#define p s.param.working
        case HB_STATE_WORKING:
        {
            
            break;
        }
#undef p
            
#define p s.param.muxing
        case HB_STATE_MUXING:
        {
            
            break;
        }
#undef p
            
        case HB_STATE_PAUSED:
            break;
            
        case HB_STATE_WORKDONE:
        {
            break;
        }
    }
    
    
    /* Update UI for fQueueEncodeLibhb */
    // hb_list_t  * list;
    // list = hb_get_titles( fQueueEncodeLibhb ); //fQueueEncodeLibhb
    /* check to see if there has been a new scan done
     this bypasses the constraints of HB_STATE_WORKING
     not allowing setting a newly scanned source */
	
    checkScanCount = hb_get_scancount( fQueueEncodeLibhb );
	if( checkScanCount > currentScanCount )
	{
		currentScanCount = checkScanCount;
	}
    
    //hb_state_t s;
    hb_get_state( fQueueEncodeLibhb, &s );
    
    switch( s.state )
    {
        case HB_STATE_IDLE:
            break;
#define p s.param.scanning
        case HB_STATE_SCANNING:
		{
            [fStatusField setStringValue: [NSString stringWithFormat:
                                           NSLocalizedString( @"Queue Scanning title %d of %d...", @"" ),
                                           p.title_cur, p.title_count]];
            
            /* Set the status string in fQueueController as well */                               
            [fQueueController setQueueStatusString: [NSString stringWithFormat:
                                                     NSLocalizedString( @"Queue Scanning title %d of %d...", @"" ),
                                                     p.title_cur, p.title_count]];
            break;
		}
#undef p
            
#define p s.param.scandone
        case HB_STATE_SCANDONE:
        {
			[self writeToActivityLog:"ScanDone state received from fQueueEncodeLibhb"];
            [self processNewQueueEncode];
            [[fWindow toolbar] validateVisibleItems];
            
			break;
        }
#undef p
            
            
#define p s.param.working
            
        case HB_STATE_SEARCHING:
		{
            NSMutableString * string;
            NSString * pass_desc;
            
            /* Update text field */
            pass_desc = @"";
            //string = [NSMutableString stringWithFormat: NSLocalizedString( @"Searching for start point: pass %d %@ of %d, %.2f %%", @"" ), p.job_cur, pass_desc, p.job_count, 100.0 * p.progress];
            /* For now, do not announce "pass x of x for the search phase ... */
            string = [NSMutableString stringWithFormat: NSLocalizedString( @"Searching for start point ... :  %.2f %%", @"" ), 100.0 * p.progress];
            
			if( p.seconds > -1 )
            {
                [string appendFormat:
                 NSLocalizedString( @" (ETA %02dh%02dm%02ds)", @"" ), p.hours, p.minutes, p.seconds];
            }
            
            [fStatusField setStringValue: string];
            /* Set the status string in fQueueController as well */
            [fQueueController setQueueStatusString: string];
            /* Update slider */
            CGFloat progress_total = ( p.progress + p.job_cur - 1 ) / p.job_count;
            [fRipIndicator setIndeterminate: NO];
            [fRipIndicator setDoubleValue:100.0 * progress_total];
            
            // If progress bar hasn't been revealed at the bottom of the window, do
            // that now. This code used to be in doRip. I moved it to here to handle
            // the case where hb_start is called by HBQueueController and not from
            // HBController.
            if( !fRipIndicatorShown )
            {
                NSRect frame = [fWindow frame];
                if( frame.size.width <= 591 )
                    frame.size.width = 591;
                frame.size.height += 36;
                frame.origin.y -= 36;
                [fWindow setFrame:frame display:YES animate:YES];
                fRipIndicatorShown = YES;
                
            }
            
            /* Update dock icon */
            /* Note not done yet */
            break;  
        }
            
            
        case HB_STATE_WORKING:
        {
            NSMutableString * string;
            NSString * pass_desc;
			/* Update text field */
            if (p.job_cur == 1 && p.job_count > 1)
            {
                if ([[QueueFileArray objectAtIndex:currentQueueEncodeIndex] objectForKey:@"SubtitleList"] && [[[[[QueueFileArray objectAtIndex:currentQueueEncodeIndex]objectForKey:@"SubtitleList"] objectAtIndex:0] objectForKey:@"subtitleSourceTrackNum"] intValue] == 1)
                {
                    pass_desc = @"(subtitle scan)";   
                }
                else
                {
                    pass_desc = @"";
                }
            }
            else
            {
                pass_desc = @"";
            }
            
			string = [NSMutableString stringWithFormat: NSLocalizedString( @"Encoding: %@ \nPass %d %@ of %d, %.2f %%", @"" ), currentQueueEncodeNameString, p.job_cur, pass_desc, p.job_count, 100.0 * p.progress];
            
			if( p.seconds > -1 )
            {
                [string appendFormat:
                 NSLocalizedString( @" (%.2f fps, avg %.2f fps, ETA %02dh%02dm%02ds)", @"" ),
                 p.rate_cur, p.rate_avg, p.hours, p.minutes, p.seconds];
            }
            [fStatusField setStringValue: string];
            [fQueueController setQueueStatusString:string];
            
            /* Update slider */
            CGFloat progress_total = ( p.progress + p.job_cur - 1 ) / p.job_count;
            [fRipIndicator setIndeterminate: NO];
            [fRipIndicator setDoubleValue:100.0 * progress_total];
            
            // If progress bar hasn't been revealed at the bottom of the window, do
            // that now. This code used to be in doRip. I moved it to here to handle
            // the case where hb_start is called by HBQueueController and not from
            // HBController.
            if( !fRipIndicatorShown )
            {
                NSRect frame = [fWindow frame];
                if( frame.size.width <= 591 )
                    frame.size.width = 591;
                frame.size.height += 36;
                frame.origin.y -= 36;
                [fWindow setFrame:frame display:YES animate:YES];
                fRipIndicatorShown = YES;
                
            }
            
            /* Update dock icon */
            if( dockIconProgress < 100.0 * progress_total )
            {
                [self UpdateDockIcon: progress_total];
                dockIconProgress += 5;
            }
            
            break;
        }
#undef p
            
#define p s.param.muxing
        case HB_STATE_MUXING:
        {
            /* Update text field */
            [fStatusField setStringValue: NSLocalizedString( @"Muxing...", @"" )];
            /* Set the status string in fQueueController as well */
            [fQueueController setQueueStatusString: NSLocalizedString( @"Muxing...", @"" )];
            /* Update slider */
            [fRipIndicator setIndeterminate: YES];
            [fRipIndicator startAnimation: nil];
            
            /* Update dock icon */
            [self UpdateDockIcon: 1.0];
            
			break;
        }
#undef p
            
        case HB_STATE_PAUSED:
		    [fStatusField setStringValue: NSLocalizedString( @"Paused", @"" )];
            [fQueueController setQueueStatusString: NSLocalizedString( @"Paused", @"" )];
            
			break;
            
        case HB_STATE_WORKDONE:
        {
            // HB_STATE_WORKDONE happpens as a result of libhb finishing all its jobs
            // or someone calling hb_stop. In the latter case, hb_stop does not clear
            // out the remaining passes/jobs in the queue. We'll do that here.
            
            // Delete all remaining jobs of this encode.
            [fStatusField setStringValue: NSLocalizedString( @"Encode Finished.", @"" )];
            /* Set the status string in fQueueController as well */
            [fQueueController setQueueStatusString: NSLocalizedString( @"Encode Finished.", @"" )];
            [fRipIndicator setIndeterminate: NO];
            [fRipIndicator stopAnimation: nil];
            [fRipIndicator setDoubleValue: 0.0];
            [[fWindow toolbar] validateVisibleItems];
            
            /* Restore dock icon */
            [self UpdateDockIcon: -1.0];
            dockIconProgress = 0;
            
            if( fRipIndicatorShown )
            {
                NSRect frame = [fWindow frame];
                if( frame.size.width <= 591 )
				    frame.size.width = 591;
                frame.size.height += -36;
                frame.origin.y -= -36;
                [fWindow setFrame:frame display:YES animate:YES];
				fRipIndicatorShown = NO;
			}
            /* Since we are done with this encode, tell output to stop writing to the
             * individual encode log
             */
			[outputPanel endEncodeLog];
            /* Check to see if the encode state has not been cancelled
             to determine if we should check for encode done notifications */
			if( fEncodeState != 2 )
            {
                NSString *pathOfFinishedEncode;
                /* Get the output file name for the finished encode */
                pathOfFinishedEncode = [[QueueFileArray objectAtIndex:currentQueueEncodeIndex] objectForKey:@"DestinationPath"];
                
                /* Both the Growl Alert and Sending to MetaX can be done as encodes roll off the queue */
                if ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Growl Notification"] || 
                    [[[NSUserDefaults standardUserDefaults] stringForKey:@"AlertWhenDone"] isEqualToString: @"Alert Window And Growl"])
                {
                    /* If Play System Alert has been selected in Preferences */
                    if( [[NSUserDefaults standardUserDefaults] boolForKey:@"AlertWhenDoneSound"] == YES )
                    {
                        NSBeep();
                    }
                    [self showGrowlDoneNotification:pathOfFinishedEncode];
                }
                
                /* Send to MetaX */
                [self sendToMetaX:pathOfFinishedEncode];
                
                /* since we have successfully completed an encode, we increment the queue counter */
                [self incrementQueueItemDone:currentQueueEncodeIndex]; 

            }
            
            break;
        }
    }
    
    /* Since we can use multiple instance off of the same queue file it is imperative that we keep the QueueFileArray updated off of the QueueFile.plist
     * so we go ahead and do it in this existing timer as opposed to using a new one */
    
    NSMutableArray * tempQueueArray = [[NSMutableArray alloc] initWithContentsOfFile:QueueFile];
    [QueueFileArray setArray:tempQueueArray];
    [tempQueueArray release]; 
    /* Send Fresh QueueFileArray to fQueueController to update queue window */
    [fQueueController setQueueArray: QueueFileArray];
    [self getQueueStats];
    
}

/* We use this to write messages to stderr from the macgui which show up in the activity window and log*/
- (void) writeToActivityLog:(const char *) format, ...
{
    va_list args;
    va_start(args, format);
    if (format != nil)
    {
        char str[1024];
        vsnprintf( str, 1024, format, args );

        time_t _now = time( NULL );
        struct tm * now  = localtime( &_now );
        fprintf(stderr, "[%02d:%02d:%02d] macgui: %s\n", now->tm_hour, now->tm_min, now->tm_sec, str );
    }
    va_end(args);
}

#pragma mark -
#pragma mark Toolbar
// ============================================================
// NSToolbar Related Methods
// ============================================================

- (void) setupToolbar {
    NSToolbar *toolbar = [[[NSToolbar alloc] initWithIdentifier: @"HandBrake Toolbar"] autorelease];

    [toolbar setAllowsUserCustomization: YES];
    [toolbar setAutosavesConfiguration: YES];
    [toolbar setDisplayMode: NSToolbarDisplayModeIconAndLabel];

    [toolbar setDelegate: self];

    [fWindow setToolbar: toolbar];
}

- (NSToolbarItem *) toolbar: (NSToolbar *)toolbar itemForItemIdentifier:
    (NSString *) itemIdent willBeInsertedIntoToolbar:(BOOL) willBeInserted {
    NSToolbarItem * item = [[[NSToolbarItem alloc] initWithItemIdentifier: itemIdent] autorelease];

    if ([itemIdent isEqualToString: ToggleDrawerIdentifier])
    {
        [item setLabel: @"Toggle Presets"];
        [item setPaletteLabel: @"Toggler Presets"];
        [item setToolTip: @"Open/Close Preset Drawer"];
        [item setImage: [NSImage imageNamed: @"Drawer"]];
        [item setTarget: self];
        [item setAction: @selector(toggleDrawer:)];
        [item setAutovalidates: NO];
    }
    else if ([itemIdent isEqualToString: StartEncodingIdentifier])
    {
        [item setLabel: @"Start"];
        [item setPaletteLabel: @"Start Encoding"];
        [item setToolTip: @"Start Encoding"];
        [item setImage: [NSImage imageNamed: @"Play"]];
        [item setTarget: self];
        [item setAction: @selector(Rip:)];
    }
    else if ([itemIdent isEqualToString: ShowQueueIdentifier])
    {
        [item setLabel: @"Show Queue"];
        [item setPaletteLabel: @"Show Queue"];
        [item setToolTip: @"Show Queue"];
        [item setImage: [NSImage imageNamed: @"Queue"]];
        [item setTarget: self];
        [item setAction: @selector(showQueueWindow:)];
        [item setAutovalidates: NO];
    }
    else if ([itemIdent isEqualToString: AddToQueueIdentifier])
    {
        [item setLabel: @"Add to Queue"];
        [item setPaletteLabel: @"Add to Queue"];
        [item setToolTip: @"Add to Queue"];
        [item setImage: [NSImage imageNamed: @"AddToQueue"]];
        [item setTarget: self];
        [item setAction: @selector(addToQueue:)];
    }
    else if ([itemIdent isEqualToString: PauseEncodingIdentifier])
    {
        [item setLabel: @"Pause"];
        [item setPaletteLabel: @"Pause Encoding"];
        [item setToolTip: @"Pause Encoding"];
        [item setImage: [NSImage imageNamed: @"Pause"]];
        [item setTarget: self];
        [item setAction: @selector(Pause:)];
    }
    else if ([itemIdent isEqualToString: ShowPictureIdentifier])
    {
        [item setLabel: @"Picture Settings"];
        [item setPaletteLabel: @"Show Picture Settings"];
        [item setToolTip: @"Show Picture Settings"];
        [item setImage: [NSImage imageNamed: @"pref-picture"]];
        [item setTarget: self];
        [item setAction: @selector(showPicturePanel:)];
    }
    else if ([itemIdent isEqualToString: ShowPreviewIdentifier])
    {
        [item setLabel: @"Preview Window"];
        [item setPaletteLabel: @"Show Preview"];
        [item setToolTip: @"Show Preview"];
        //[item setImage: [NSImage imageNamed: @"pref-picture"]];
        [item setImage: [NSImage imageNamed: @"Brushed_Window"]];
        [item setTarget: self];
        [item setAction: @selector(showPreviewWindow:)];
    }
    else if ([itemIdent isEqualToString: ShowActivityIdentifier]) 
    {
        [item setLabel: @"Activity Window"];
        [item setPaletteLabel: @"Show Activity Window"];
        [item setToolTip: @"Show Activity Window"];
        [item setImage: [NSImage imageNamed: @"ActivityWindow"]];
        [item setTarget: self];
        [item setAction: @selector(showDebugOutputPanel:)];
        [item setAutovalidates: NO];
    }
    else if ([itemIdent isEqualToString: ChooseSourceIdentifier])
    {
        [item setLabel: @"Source"];
        [item setPaletteLabel: @"Source"];
        [item setToolTip: @"Choose Video Source"];
        [item setImage: [NSImage imageNamed: @"Source"]];
        [item setTarget: self];
        [item setAction: @selector(browseSources:)];
    }
    else
    {
        return nil;
    }

    return item;
}

- (NSArray *) toolbarDefaultItemIdentifiers: (NSToolbar *) toolbar
{
    return [NSArray arrayWithObjects: ChooseSourceIdentifier, NSToolbarSeparatorItemIdentifier, StartEncodingIdentifier,
        PauseEncodingIdentifier, AddToQueueIdentifier, ShowQueueIdentifier, NSToolbarFlexibleSpaceItemIdentifier, 
		NSToolbarSpaceItemIdentifier, ShowPictureIdentifier, ShowPreviewIdentifier, ShowActivityIdentifier, ToggleDrawerIdentifier, nil];
}

- (NSArray *) toolbarAllowedItemIdentifiers: (NSToolbar *) toolbar
{
    return [NSArray arrayWithObjects:  StartEncodingIdentifier, PauseEncodingIdentifier, AddToQueueIdentifier,
        ChooseSourceIdentifier, ShowQueueIdentifier, ShowPictureIdentifier, ShowPreviewIdentifier, ShowActivityIdentifier, ToggleDrawerIdentifier,
        NSToolbarCustomizeToolbarItemIdentifier, NSToolbarFlexibleSpaceItemIdentifier,
        NSToolbarSpaceItemIdentifier, NSToolbarSeparatorItemIdentifier, nil];
}

- (BOOL) validateToolbarItem: (NSToolbarItem *) toolbarItem
{
    NSString * ident = [toolbarItem itemIdentifier];
        
    if (fHandle)
    {
        hb_state_t s;
        
        hb_get_state( fHandle, &s );
        if (s.state == HB_STATE_SCANNING)
        {
            
            if ([ident isEqualToString: ChooseSourceIdentifier])
            {
                [toolbarItem setImage: [NSImage imageNamed: @"Stop"]];
                [toolbarItem setLabel: @"Cancel Scan"];
                [toolbarItem setPaletteLabel: @"Cancel Scanning"];
                [toolbarItem setToolTip: @"Cancel Scanning Source"];
                return YES;
            }
            
            if ([ident isEqualToString: StartEncodingIdentifier] || [ident isEqualToString: AddToQueueIdentifier])
                return NO;
        }
        else
        {
            if ([ident isEqualToString: ChooseSourceIdentifier])
            {
                [toolbarItem setImage: [NSImage imageNamed: @"Source"]];
                [toolbarItem setLabel: @"Source"];
                [toolbarItem setPaletteLabel: @"Source"];
                [toolbarItem setToolTip: @"Choose Video Source"];
                return YES;
            }
        }

        hb_get_state2( fQueueEncodeLibhb, &s );
        
        if (s.state == HB_STATE_WORKING || s.state == HB_STATE_SEARCHING || s.state == HB_STATE_MUXING)
        {
            if ([ident isEqualToString: StartEncodingIdentifier])
            {
                [toolbarItem setImage: [NSImage imageNamed: @"Stop"]];
                [toolbarItem setLabel: @"Stop"];
                [toolbarItem setPaletteLabel: @"Stop"];
                [toolbarItem setToolTip: @"Stop Encoding"];
                return YES;
            }
            if ([ident isEqualToString: PauseEncodingIdentifie…

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