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//
// HIDRemote.h
// HIDRemote V1.2
//
// Created by Felix Schwarz on 06.04.07.
// Copyright 2007-2011 IOSPIRIT GmbH. All rights reserved.
//
// The latest version of this class is available at
// http://www.iospirit.com/developers/hidremote/
//
// ** LICENSE *************************************************************************
//
// Copyright (c) 2007-2011 IOSPIRIT GmbH (http://www.iospirit.com/)
// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice, this list
// of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above copyright notice, this
// list of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
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//
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// * Neither the name of IOSPIRIT GmbH nor the names of its contributors may be used to
// endorse or promote products derived from this software without specific prior
// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
// SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
//
// ************************************************************************************
// ************************************************************************************
// ********************************** DOCUMENTATION ***********************************
// ************************************************************************************
//
// - a reference is available at http://www.iospirit.com/developers/hidremote/reference/
// - for a guide, please see http://www.iospirit.com/developers/hidremote/guide/
//
// ************************************************************************************
# import <Cocoa / Cocoa.h>
# include <Carbon/Carbon.h>
# include <unistd.h>
# include <mach/mach.h>
# include <sys/types.h>
# include <IOKit/IOKitLib.h>
# include <IOKit/IOCFPlugIn.h>
# include <IOKit/IOMessage.h>
# include <IOKit/hid/IOHIDKeys.h>
# include <IOKit/hid/IOHIDLib.h>
# include <IOKit/hid/IOHIDUsageTables.h>
# include <IOKit/hidsystem/IOHIDLib.h>
# include <IOKit/hidsystem/IOHIDParameter.h>
# include <IOKit/hidsystem/IOHIDShared.h>
# pragma mark -- Enums / Codes --
typedef enum
{
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kHIDRemoteModeNone = 0L ,
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kHIDRemoteModeShared , // Share the remote with others - let's you listen to the remote control events as long as no one has an exclusive lock on it
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// (RECOMMENDED ONLY FOR SPECIAL PURPOSES)
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kHIDRemoteModeExclusive , // Try to acquire an exclusive lock on the remote (NOT RECOMMENDED)
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kHIDRemoteModeExclusiveAuto // Try to acquire an exclusive lock on the remote whenever the application has focus. Temporarily release control over the
// remote when another application has focus (RECOMMENDED)
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} HIDRemoteMode ;
typedef enum
{
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/* A code reserved for "no button" (needed for tracking) */
kHIDRemoteButtonCodeNone = 0L ,
/* Standard codes - available for white plastic and aluminum remote */
kHIDRemoteButtonCodeUp ,
kHIDRemoteButtonCodeDown ,
kHIDRemoteButtonCodeLeft ,
kHIDRemoteButtonCodeRight ,
kHIDRemoteButtonCodeCenter ,
kHIDRemoteButtonCodeMenu ,
/* Extra codes - Only available for the new aluminum version of the remote */
kHIDRemoteButtonCodePlay ,
/* Masks */
kHIDRemoteButtonCodeCodeMask = 0xFFL ,
kHIDRemoteButtonCodeHoldMask = ( 1L < < 16L ) ,
kHIDRemoteButtonCodeSpecialMask = ( 1L < < 17L ) ,
kHIDRemoteButtonCodeAluminumMask = ( 1L < < 21L ) , // PRIVATE - only used internally
/* Hold button standard codes - available for white plastic and aluminum remote */
kHIDRemoteButtonCodeUpHold = ( kHIDRemoteButtonCodeHoldMask | kHIDRemoteButtonCodeUp ) ,
kHIDRemoteButtonCodeDownHold = ( kHIDRemoteButtonCodeHoldMask | kHIDRemoteButtonCodeDown ) ,
kHIDRemoteButtonCodeLeftHold = ( kHIDRemoteButtonCodeHoldMask | kHIDRemoteButtonCodeLeft ) ,
kHIDRemoteButtonCodeRightHold = ( kHIDRemoteButtonCodeHoldMask | kHIDRemoteButtonCodeRight ) ,
kHIDRemoteButtonCodeCenterHold = ( kHIDRemoteButtonCodeHoldMask | kHIDRemoteButtonCodeCenter ) ,
kHIDRemoteButtonCodeMenuHold = ( kHIDRemoteButtonCodeHoldMask | kHIDRemoteButtonCodeMenu ) ,
/* Hold button extra codes - Only available for aluminum version of the remote */
kHIDRemoteButtonCodePlayHold = ( kHIDRemoteButtonCodeHoldMask | kHIDRemoteButtonCodePlay ) ,
/* DEPRECATED codes - compatibility with HIDRemote 1.0 */
kHIDRemoteButtonCodePlus = kHIDRemoteButtonCodeUp ,
kHIDRemoteButtonCodePlusHold = kHIDRemoteButtonCodeUpHold ,
kHIDRemoteButtonCodeMinus = kHIDRemoteButtonCodeDown ,
kHIDRemoteButtonCodeMinusHold = kHIDRemoteButtonCodeDownHold ,
kHIDRemoteButtonCodePlayPause = kHIDRemoteButtonCodeCenter ,
kHIDRemoteButtonCodePlayPauseHold = kHIDRemoteButtonCodeCenterHold ,
/* Special purpose codes */
kHIDRemoteButtonCodeIDChanged = ( kHIDRemoteButtonCodeSpecialMask | ( 1L < < 18L ) ) , // (the ID of the connected remote has changed, you can safely ignore this)
# ifdef _HIDREMOTE_EXTENSIONS
# define _HIDREMOTE_EXTENSIONS_SECTION 1
# include "HIDRemoteAdditions.h"
# undef _HIDREMOTE_EXTENSIONS_SECTION
# endif /* _HIDREMOTE_EXTENSIONS */
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} HIDRemoteButtonCode ;
typedef enum
{
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kHIDRemoteModelUndetermined = 0L , // Assume a white plastic remote
kHIDRemoteModelWhitePlastic , // Signal *likely* to be coming from a white plastic remote
kHIDRemoteModelAluminum // Signal *definitely* coming from an aluminum remote
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} HIDRemoteModel ;
typedef enum
{
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kHIDRemoteAluminumRemoteSupportLevelNone = 0L , // This system has no support for the Aluminum Remote at all
kHIDRemoteAluminumRemoteSupportLevelEmulation , // This system possibly has support for the Aluminum Remote (via emulation)
kHIDRemoteAluminumRemoteSupportLevelNative // This system has native support for the Aluminum Remote
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} HIDRemoteAluminumRemoteSupportLevel ;
@ class HIDRemote ;
# pragma mark -- Delegate protocol (mandatory) --
@ protocol HIDRemoteDelegate
// Notification of button events
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- ( void ) hidRemote : ( HIDRemote * ) hidRemote // The instance of HIDRemote sending this
eventWithButton : ( HIDRemoteButtonCode ) buttonCode // Event for the button specified by code
isPressed : ( BOOL ) isPressed // The button was pressed (YES) / released (NO)
fromHardwareWithAttributes : ( NSMutableDictionary * ) attributes ; // Information on the device this event comes from
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@ optional
// Notification of ID changes
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- ( void ) hidRemote : ( HIDRemote * ) hidRemote // Invoked when the user switched to a remote control with a different ID
remoteIDChangedOldID : ( SInt32 ) old
newID : ( SInt32 ) newID
forHardwareWithAttributes : ( NSMutableDictionary * ) attributes ;
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// Notification about hardware additions/removals
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- ( void ) hidRemote : ( HIDRemote * ) hidRemote // Invoked when new hardware was found / added to HIDRemote's pool
foundNewHardwareWithAttributes : ( NSMutableDictionary * ) attributes ;
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- ( void ) hidRemote : ( HIDRemote * ) hidRemote // Invoked when initialization of new hardware as requested failed
failedNewHardwareWithError : ( NSError * ) error ;
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- ( void ) hidRemote : ( HIDRemote * ) hidRemote // Invoked when hardware was removed from HIDRemote's pool
releasedHardwareWithAttributes : ( NSMutableDictionary * ) attributes ;
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// ### WARNING: Unless you know VERY PRECISELY what you are doing, do not implement any of the delegate methods below. ###
// Matching of newly found receiver hardware
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- ( BOOL ) hidRemote : ( HIDRemote * ) hidRemote // Invoked when new hardware is inspected
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inspectNewHardwareWithService : ( io_service_t ) service //
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prematchResult : ( BOOL ) prematchResult ; // Return YES if HIDRemote should go on with this hardware and try
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// to use it, or NO if it should not be pursued further.
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// Exlusive lock lending
- ( BOOL ) hidRemote : ( HIDRemote * ) hidRemote
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lendExclusiveLockToApplicationWithInfo : ( NSDictionary * ) applicationInfo ;
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- ( void ) hidRemote : ( HIDRemote * ) hidRemote
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exclusiveLockReleasedByApplicationWithInfo : ( NSDictionary * ) applicationInfo ;
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- ( BOOL ) hidRemote : ( HIDRemote * ) hidRemote
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shouldRetryExclusiveLockWithInfo : ( NSDictionary * ) applicationInfo ;
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@ end
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# pragma mark -- Actual header file for class --
@ interface HIDRemote : NSObject
{
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// IOMasterPort
mach_port_t _masterPort ;
// Notification ports
IONotificationPortRef _notifyPort ;
CFRunLoopSourceRef _notifyRLSource ;
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// Matching iterator
io_iterator_t _matchingServicesIterator ;
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// SecureInput notification
io_object_t _secureInputNotification ;
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// Service attributes
NSMutableDictionary * _serviceAttribMap ;
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// Mode
HIDRemoteMode _mode ;
BOOL _autoRecover ;
NSTimer * _autoRecoveryTimer ;
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// Delegate
NSObject < HIDRemoteDelegate > * _delegate ;
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// Last seen ID and remote model
SInt32 _lastSeenRemoteID ;
HIDRemoteModel _lastSeenModel ;
SInt32 _lastSeenModelRemoteID ;
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// Unused button codes
NSArray * _unusedButtonCodes ;
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// Simulate Plus/Minus Hold
BOOL _simulateHoldEvents ;
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// SecureEventInput workaround
BOOL _secureEventInputWorkAround ;
UInt64 _lastSecureEventInputPIDSum ;
uid_t _lastFrontUserSession ;
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// Exclusive lock lending
BOOL _exclusiveLockLending ;
BOOL _sendExclusiveResourceReuseNotification ;
NSNumber * _waitForReturnByPID ;
NSNumber * _returnToPID ;
BOOL _isRestarting ;
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// Status notifications
BOOL _sendStatusNotifications ;
NSString * _pidString ;
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// Status
BOOL _applicationIsTerminating ;
BOOL _isStopping ;
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// Thread safety
# ifdef HIDREMOTE_THREADSAFETY_HARDENED_NOTIFICATION_HANDLING /* #define HIDREMOTE_THREADSAFETY_HARDENED_NOTIFICATION_HANDLING if you're running your HIDRemote instance on a background thread (requires OS X 10.5 or later) */
NSThread * _runOnThread ;
# endif
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}
# pragma mark -- PUBLIC: Shared HID Remote --
+ ( HIDRemote * ) sharedHIDRemote ;
# pragma mark -- PUBLIC: System Information --
+ ( BOOL ) isCandelairInstalled ;
+ ( BOOL ) isCandelairInstallationRequiredForRemoteMode : ( HIDRemoteMode ) remoteMode ;
- ( HIDRemoteAluminumRemoteSupportLevel ) aluminiumRemoteSystemSupportLevel ;
# pragma mark -- PUBLIC: Interface / API --
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- ( BOOL ) startRemoteControl : ( HIDRemoteMode ) hidRemoteMode ;
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- ( void ) stopRemoteControl ;
- ( BOOL ) isStarted ;
- ( HIDRemoteMode ) startedInMode ;
- ( unsigned ) activeRemoteControlCount ;
- ( SInt32 ) lastSeenRemoteControlID ;
- ( void ) setLastSeenModel : ( HIDRemoteModel ) aModel ;
- ( HIDRemoteModel ) lastSeenModel ;
- ( void ) setDelegate : ( NSObject < HIDRemoteDelegate > * ) newDelegate ;
- ( NSObject < HIDRemoteDelegate > * ) delegate ;
- ( void ) setSimulateHoldEvents : ( BOOL ) newSimulateHoldEvents ;
- ( BOOL ) simulateHoldEvents ;
- ( void ) setUnusedButtonCodes : ( NSArray * ) newArrayWithUnusedButtonCodesAsNSNumbers ;
- ( NSArray * ) unusedButtonCodes ;
# pragma mark -- PUBLIC: Expert APIs --
- ( void ) setEnableSecureEventInputWorkaround : ( BOOL ) newEnableSecureEventInputWorkaround ;
- ( BOOL ) enableSecureEventInputWorkaround ;
- ( void ) setExclusiveLockLendingEnabled : ( BOOL ) newExclusiveLockLendingEnabled ;
- ( BOOL ) exclusiveLockLendingEnabled ;
- ( BOOL ) isApplicationTerminating ;
- ( BOOL ) isStopping ;
# pragma mark -- PRIVATE: HID Event handling --
- ( void ) _handleButtonCode : ( HIDRemoteButtonCode ) buttonCode isPressed : ( BOOL ) isPressed hidAttribsDict : ( NSMutableDictionary * ) hidAttribsDict ;
- ( void ) _sendButtonCode : ( HIDRemoteButtonCode ) buttonCode isPressed : ( BOOL ) isPressed hidAttribsDict : ( NSMutableDictionary * ) hidAttribsDict ;
- ( void ) _hidEventFor : ( io_service_t ) hidDevice from : ( IOHIDQueueInterface * * ) interface withResult : ( IOReturn ) result ;
# pragma mark -- PRIVATE: Service setup and destruction --
- ( BOOL ) _prematchService : ( io_object_t ) service ;
- ( HIDRemoteButtonCode ) buttonCodeForUsage : ( unsigned int ) usage usagePage : ( unsigned int ) usagePage ;
- ( BOOL ) _setupService : ( io_object_t ) service ;
- ( void ) _destructService : ( io_object_t ) service ;
# pragma mark -- PRIVATE: Distributed notifiations handling --
- ( void ) _postStatusWithAction : ( NSString * ) action ;
- ( void ) _handleNotifications : ( NSNotification * ) notification ;
- ( void ) _setSendStatusNotifications : ( BOOL ) doSend ;
- ( BOOL ) _sendStatusNotifications ;
# pragma mark -- PRIVATE: Application becomes active / inactive handling for kHIDRemoteModeExclusiveAuto --
- ( void ) _appStatusChanged : ( NSNotification * ) notification ;
- ( void ) _delayedAutoRecovery : ( NSTimer * ) aTimer ;
# pragma mark -- PRIVATE: Notification handling --
- ( void ) _serviceMatching : ( io_iterator_t ) iterator ;
- ( void ) _serviceNotificationFor : ( io_service_t ) service messageType : ( natural_t ) messageType messageArgument : ( void * ) messageArgument ;
- ( void ) _updateSessionInformation ;
- ( void ) _secureInputNotificationFor : ( io_service_t ) service messageType : ( natural_t ) messageType messageArgument : ( void * ) messageArgument ;
@ end
# pragma mark -- Information attribute keys --
extern NSString * kHIDRemoteManufacturer ;
extern NSString * kHIDRemoteProduct ;
extern NSString * kHIDRemoteTransport ;
# pragma mark -- Internal / Expert attribute keys (AKA: don't touch these unless you really, really, REALLY know what you do) --
extern NSString * kHIDRemoteCFPluginInterface ;
extern NSString * kHIDRemoteHIDDeviceInterface ;
extern NSString * kHIDRemoteCookieButtonCodeLUT ;
extern NSString * kHIDRemoteHIDQueueInterface ;
extern NSString * kHIDRemoteServiceNotification ;
extern NSString * kHIDRemoteCFRunLoopSource ;
extern NSString * kHIDRemoteLastButtonPressed ;
extern NSString * kHIDRemoteService ;
extern NSString * kHIDRemoteSimulateHoldEventsTimer ;
extern NSString * kHIDRemoteSimulateHoldEventsOriginButtonCode ;
extern NSString * kHIDRemoteAluminumRemoteSupportLevel ;
extern NSString * kHIDRemoteAluminumRemoteSupportOnDemand ;
# pragma mark -- Distributed notifications --
extern NSString * kHIDRemoteDNHIDRemotePing ;
extern NSString * kHIDRemoteDNHIDRemoteRetry ;
extern NSString * kHIDRemoteDNHIDRemoteStatus ;
extern NSString * kHIDRemoteDNHIDRemoteRetryGlobalObject ;
# pragma mark -- Distributed notifications userInfo keys and values --
extern NSString * kHIDRemoteDNStatusHIDRemoteVersionKey ;
extern NSString * kHIDRemoteDNStatusPIDKey ;
extern NSString * kHIDRemoteDNStatusModeKey ;
extern NSString * kHIDRemoteDNStatusUnusedButtonCodesKey ;
extern NSString * kHIDRemoteDNStatusRemoteControlCountKey ;
extern NSString * kHIDRemoteDNStatusReturnToPIDKey ;
extern NSString * kHIDRemoteDNStatusActionKey ;
extern NSString * kHIDRemoteDNStatusActionStart ;
extern NSString * kHIDRemoteDNStatusActionStop ;
extern NSString * kHIDRemoteDNStatusActionUpdate ;
extern NSString * kHIDRemoteDNStatusActionNoNeed ;
# pragma mark -- Driver compatibility flags --
typedef enum
{
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kHIDRemoteCompatibilityFlagsStandardHIDRemoteDevice = 1L ,
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} HIDRemoteCompatibilityFlags ;