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