/*

Copyright (C) 2016 Apple Inc. All Rights Reserved.

See LICENSE.txt for this sample’s licensing information

Abstract:

View Factory Class

*/

#import "AppleDemoFilter_ViewFactory.h"

#import "AppleDemoFilter_UIView.h"

@implementation AppleDemoFilter_ViewFactory

// version 0

- (unsigned) interfaceVersion {

    return 0;

}

// string description of the Cocoa UI

- (NSString *) description {

    return @"Apple Demo: Filter";

}

// N.B.: this class is simply a view-factory,

// returning a new autoreleased view each time it's called.

- (NSView *)uiViewForAudioUnit:(AudioUnit)inAU withSize:(NSSize)inPreferredSize {

    if (! [NSBundle loadNibNamed: @"CocoaView" owner:self]) {

        NSLog (@"Unable to load nib for view.");

        return nil;

    }

    // This particular nib has a fixed size, so we don't do anything with the inPreferredSize argument.

    // It's up to the host application to handle.

    [uiFreshlyLoadedView setAU:inAU];

    NSView *returnView = uiFreshlyLoadedView;

    uiFreshlyLoadedView = nil;  // zero out pointer.  This is a view factory.  Once a view's been created

                                // and handed off, the factory keeps no record of it.

    return [returnView autorelease];

}

@end