//
//  MPT_Demo.h
//  AUCoderDemo
//
//  Created by Andrew Salamon on 10/5/07.
//  Copyright 2007 Machine Perception Laboratory, University of California San Diego.. All rights reserved.
//

#import <Cocoa/Cocoa.h>


@interface MPT_Demo : NSObject
{
	NSString *filename;
	NSArray *allowedPaths;
	NSTimeInterval demoLength;
	
	NSDate *startDate;
}
+ (MPT_Demo *)sharedDemo;

- (BOOL)isDemo; ///< Returns yes if we have a startDate or can read one from a file.
- (BOOL)hasDemoEnded;
- (BOOL)startDemo; ///< Write the current date to a file to start counting the demo period. Returns NO if we can't write the file.

- (void)notifyUserDemoEnded;
- (void)notifyUserDemoNotAllowed;
- (void)notifyUserDemoLeft;

- (NSString *)filename;
- (void)setFilename:(NSString *)value;

- (NSArray *)allowedPaths;
- (void)setAllowedPaths:(NSArray *)value;

- (unsigned int)demoLength; ///< In days.
- (void)setDemoLength:(unsigned int)days;
@end