//
//  MPT_PluginProtocol.h
//  AUCoderDemo
//
//  Created by Andrew Salamon on 9/25/06.
//  Copyright (c) 2006 Machine Perception Laboratory,
//  University of California San Diego. All rights reserved.
//

@class MPT_AUView;

extern NSString *MPT_PluginStep_NoStep;
extern NSString *MPT_PluginStep_AfterFaces;
extern NSString *MPT_PluginStep_SVM;
extern NSString *MPT_PluginStep_Features;
extern NSString *MPT_PluginStep_Frequencies;

/** The Objective-C half of a CERT plugin protocol.
 */
@protocol MPT_PluginProtocol
- (void)setDelegate:(id)delegate; ///< Don't retain the delegate since it might very well prevent deallocation.
- (id)delegate; ///< The delegate needs to be notified whenever the enabled state of the plugin changes.

- (NSString *)pluginID;
- (NSString *)localizedName;
- (NSString *)internalName; ///< This will initially be used by SVM plugins, for finding weights files

/// Each plugin may return multiple results (e.g. AU 1 and AU 2...). Each result will have its own view
- (NSArray *)labels;
- (MPT_AUView *)viewForLabel:(NSString *)label;
- (void)setView:(MPT_AUView *)view forLabel:(NSString *)label;

//- (MPT_AUView *)view; ///< If this returns NULL, the plugin controller will create and set a view
//- (void)setView:(MPT_AUView *)newView;

- (NSView *)prefPane;

- (NSString *)step;
- (BOOL)enabled;
- (void)setEnabled:(BOOL)value;
@end

@interface NSObject(MPT_PluginDelegateMethods)
- (void)didChangeEnabledStateForPlugin:(id<MPT_PluginProtocol>)plugin;
@end