DDHidKeyboard.h

/*
 * Copyright (c) 2007 Dave Dribin
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#import <Cocoa/Cocoa.h>
#import "DDHidDevice.h"

@class DDHidElement;
@class DDHidQueue;

@interface DDHidKeyboard : DDHidDevice
{
    NSMutableArray * mKeyElements;
    
    id mDelegate;
}

+ (NSArray *) allKeyboards;

- (id) initWithDevice: (io_object_t) device error: (NSError **) error_;

#pragma mark -
#pragma mark Keyboards Elements

- (NSArray *) keyElements;

- (unsigned) numberOfKeys;

- (void) addElementsToQueue: (DDHidQueue *) queue;

#pragma mark -
#pragma mark Asynchronous Notification

- (void) setDelegate: (id) delegate;

- (void) addElementsToDefaultQueue;

@end

@interface NSObject (DDHidKeyboardDelegate)

- (void) ddhidKeyboard: (DDHidKeyboard *) keyboard
               keyDown: (unsigned) usageId;

- (void) ddhidKeyboard: (DDHidKeyboard *) keyboard
                 keyUp: (unsigned) usageId;

@end