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mpv/osdep/ar/HIDRemote.h

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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.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this list
// of conditions and the following disclaimer.
//
// * 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.
//
// * 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.
//
// 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
{
kHIDRemoteModeNone = 0L,
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
// (RECOMMENDED ONLY FOR SPECIAL PURPOSES)
kHIDRemoteModeExclusive, // Try to acquire an exclusive lock on the remote (NOT RECOMMENDED)
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)
} HIDRemoteMode;
typedef enum
{
/* 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 */
} HIDRemoteButtonCode;
typedef enum
{
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
} HIDRemoteModel;
typedef enum
{
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
} HIDRemoteAluminumRemoteSupportLevel;
@class HIDRemote;
#pragma mark -- Delegate protocol (mandatory) --
@protocol HIDRemoteDelegate
// Notification of button events
- (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
@optional
// Notification of ID changes
- (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;
// Notification about hardware additions/removals
- (void)hidRemote:(HIDRemote *)hidRemote // Invoked when new hardware was found / added to HIDRemote's pool
foundNewHardwareWithAttributes:(NSMutableDictionary *)attributes;
- (void)hidRemote:(HIDRemote *)hidRemote // Invoked when initialization of new hardware as requested failed
failedNewHardwareWithError:(NSError *)error;
- (void)hidRemote:(HIDRemote *)hidRemote // Invoked when hardware was removed from HIDRemote's pool
releasedHardwareWithAttributes:(NSMutableDictionary *)attributes;
// ### 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
- (BOOL)hidRemote:(HIDRemote *)hidRemote // Invoked when new hardware is inspected
inspectNewHardwareWithService:(io_service_t)service //
prematchResult:(BOOL)prematchResult; // Return YES if HIDRemote should go on with this hardware and try
// to use it, or NO if it should not be pursued further.
// Exlusive lock lending
- (BOOL)hidRemote:(HIDRemote *)hidRemote
lendExclusiveLockToApplicationWithInfo:(NSDictionary *)applicationInfo;
- (void)hidRemote:(HIDRemote *)hidRemote
exclusiveLockReleasedByApplicationWithInfo:(NSDictionary *)applicationInfo;
- (BOOL)hidRemote:(HIDRemote *)hidRemote
shouldRetryExclusiveLockWithInfo:(NSDictionary *)applicationInfo;
@end
#pragma mark -- Actual header file for class --
@interface HIDRemote : NSObject
{
// IOMasterPort
mach_port_t _masterPort;
// Notification ports
IONotificationPortRef _notifyPort;
CFRunLoopSourceRef _notifyRLSource;
// Matching iterator
io_iterator_t _matchingServicesIterator;
// SecureInput notification
io_object_t _secureInputNotification;
// Service attributes
NSMutableDictionary *_serviceAttribMap;
// Mode
HIDRemoteMode _mode;
BOOL _autoRecover;
NSTimer *_autoRecoveryTimer;
// Delegate
NSObject <HIDRemoteDelegate> *_delegate;
// Last seen ID and remote model
SInt32 _lastSeenRemoteID;
HIDRemoteModel _lastSeenModel;
SInt32 _lastSeenModelRemoteID;
// Unused button codes
NSArray *_unusedButtonCodes;
// Simulate Plus/Minus Hold
BOOL _simulateHoldEvents;
// SecureEventInput workaround
BOOL _secureEventInputWorkAround;
UInt64 _lastSecureEventInputPIDSum;
uid_t _lastFrontUserSession;
// Exclusive lock lending
BOOL _exclusiveLockLending;
BOOL _sendExclusiveResourceReuseNotification;
NSNumber *_waitForReturnByPID;
NSNumber *_returnToPID;
BOOL _isRestarting;
// Status notifications
BOOL _sendStatusNotifications;
NSString *_pidString;
// Status
BOOL _applicationIsTerminating;
BOOL _isStopping;
// 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
}
#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 --
- (BOOL)startRemoteControl:(HIDRemoteMode)hidRemoteMode;
- (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
{
kHIDRemoteCompatibilityFlagsStandardHIDRemoteDevice = 1L,
} HIDRemoteCompatibilityFlags;
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