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cog/Utils/AppleRemote.h

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/*****************************************************************************
* AppleRemote.h
* AppleRemote
* $Id: AppleRemote.h 18683 2007-02-02 09:12:37Z fkuehne $
*
* Created by Martin Kahr on 11.03.06 under a MIT-style license.
* Copyright (c) 2006 martinkahr.com. All rights reserved.
*
* 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.
*
*****************************************************************************
*
* Note that changes made by any members or contributors of the VideoLAN team
* (i.e. changes that were checked in exclusively into one of VideoLAN's source code
* repositories) are licensed under the GNU General Public License version 2,
* or (at your option) any later version.
* Thus, the following statements apply to our changes:
*
* Copyright (C) 2006-2007 the VideoLAN team
* Authors: Eric Petit <titer@m0k.org>
* Felix Kühne <fkuehne at videolan dot org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#import <Cocoa/Cocoa.h>
#import <mach/mach.h>
#import <mach/mach_error.h>
#import <IOKit/IOKitLib.h>
#import <IOKit/IOCFPlugIn.h>
#import <IOKit/hid/IOHIDLib.h>
#import <IOKit/hid/IOHIDKeys.h>
enum AppleRemoteEventIdentifier
{
kRemoteButtonVolume_Plus =1<<1,
kRemoteButtonVolume_Minus =1<<2,
kRemoteButtonMenu =1<<3,
kRemoteButtonPlay =1<<4,
kRemoteButtonRight =1<<5,
kRemoteButtonLeft =1<<6,
kRemoteButtonRight_Hold =1<<7,
kRemoteButtonLeft_Hold =1<<8,
kRemoteButtonMenu_Hold =1<<9,
kRemoteButtonPlay_Sleep =1<<10,
kRemoteControl_Switched =1<<11,
kRemoteButtonVolume_Plus_Hold =1<<12,
kRemoteButtonVolume_Minus_Hold =1<<13
};
typedef enum AppleRemoteEventIdentifier AppleRemoteEventIdentifier;
/* Encapsulates usage of the apple remote control
This class is implemented as a singleton as there is exactly one remote per machine (until now)
The class is not thread safe
*/
@interface AppleRemote : NSObject {
IOHIDDeviceInterface** hidDeviceInterface;
IOHIDQueueInterface** queue;
NSMutableArray* allCookies;
NSMutableDictionary* cookieToButtonMapping;
BOOL openInExclusiveMode;
BOOL simulatePlusMinusHold;
BOOL processesBacklog;
/* state for simulating plus/minus hold */
BOOL lastEventSimulatedHold;
AppleRemoteEventIdentifier lastPlusMinusEvent;
NSTimeInterval lastPlusMinusEventTime;
int remoteId;
unsigned int clickCountEnabledButtons;
NSTimeInterval maxClickTimeDifference;
NSTimeInterval lastClickCountEventTime;
AppleRemoteEventIdentifier lastClickCountEvent;
unsigned int eventClickCount;
IBOutlet id delegate;
}
- (int) remoteId;
- (BOOL) isRemoteAvailable;
- (BOOL) isListeningToRemote;
- (void) setListeningToRemote: (BOOL) value;
- (BOOL) isOpenInExclusiveMode;
- (void) setOpenInExclusiveMode: (BOOL) value;
/* click counting makes it possible to recognize if the user has pressed a button repeatedly
* click counting does delay each event as it has to wait if there is another event (second click)
* therefore there is a slight time difference (maximumClickCountTimeDifference) between a single click
* of the user and the call of your delegate method
* click counting can be enabled individually for specific buttons. Use the property clickCountEnableButtons
* to set the buttons for which click counting shall be enabled */
- (BOOL) clickCountingEnabled;
- (void) setClickCountingEnabled: (BOOL) value;
- (unsigned int) clickCountEnabledButtons;
- (void) setClickCountEnabledButtons: (unsigned int)value;
/* the maximum time difference till which clicks are recognized as multi clicks */
- (NSTimeInterval) maximumClickCountTimeDifference;
- (void) setMaximumClickCountTimeDifference: (NSTimeInterval) timeDiff;
/* When your application needs to much time on the main thread when processing an event other events
* may already be received which are put on a backlog. As soon as your main thread
* has some spare time this backlog is processed and may flood your delegate with calls.
* Backlog processing is turned off by default. */
- (BOOL) processesBacklog;
- (void) setProcessesBacklog: (BOOL) value;
/* Sets an NSApplication delegate which starts listening when application is becoming active
* and stops listening when application resigns being active.
* If an NSApplication delegate has been already set all method calls will be forwarded to this delegate, too. */
- (BOOL) listeningOnAppActivate;
- (void) setListeningOnAppActivate: (BOOL) value;
/* Simulating plus/minus hold does deactivate sending of individual requests for plus/minus pressed down/released.
* Instead special hold events are being triggered when the user is pressing and holding plus/minus for a small period.
* With simulating enabled the plus/minus buttons do behave as the left/right buttons */
- (BOOL) simulatesPlusMinusHold;
- (void) setSimulatesPlusMinusHold: (BOOL) value;
/* Delegates are not retained */
- (void) setDelegate: (id) delegate;
- (id) delegate;
- (IBAction) startListening: (id) sender;
- (IBAction) stopListening: (id) sender;
@end
@interface AppleRemote (Singleton)
+ (AppleRemote*) sharedRemote;
@end
/* Method definitions for the delegate of the AppleRemote class */
@interface NSObject(NSAppleRemoteDelegate)
- (void) appleRemoteButton: (AppleRemoteEventIdentifier)buttonIdentifier pressedDown: (BOOL) pressedDown clickCount: (unsigned int) count;
@end
@interface AppleRemote (PrivateMethods)
- (void) setRemoteId: (int) aValue;
- (NSDictionary*) cookieToButtonMapping;
- (IOHIDQueueInterface**) queue;
- (IOHIDDeviceInterface**) hidDeviceInterface;
- (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues;
@end
@interface AppleRemote (IOKitMethods)
- (io_object_t) findAppleRemoteDevice;
- (IOHIDDeviceInterface**) createInterfaceForDevice: (io_object_t) hidDevice;
- (BOOL) initializeCookies;
- (BOOL) openDevice;
@end
/* A NSApplication delegate which is used to activate and deactivate listening to the remote control
* dependent on the activation state of your application.
* All events are delegated to the original NSApplication delegate if necessary */
@interface AppleRemoteApplicationDelegate : NSObject {
id applicationDelegate;
}
- (id) initWithApplicationDelegate: (id) delegate;
- (id) applicationDelegate;
@end
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