730 lines
27 KiB
Objective-C
730 lines
27 KiB
Objective-C
/*****************************************************************************
|
|
* AppleRemote.m
|
|
* AppleRemote
|
|
* $Id: AppleRemote.m 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 exclusively checked in to 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 "AppleRemote.h"
|
|
|
|
const char* AppleRemoteDeviceName = "AppleIRController";
|
|
const int REMOTE_SWITCH_COOKIE=19;
|
|
const NSTimeInterval DEFAULT_MAXIMUM_CLICK_TIME_DIFFERENCE=0.35;
|
|
const NSTimeInterval HOLD_RECOGNITION_TIME_INTERVAL=0.4;
|
|
|
|
@implementation AppleRemote
|
|
|
|
#pragma public interface
|
|
|
|
#ifndef NSAppKitVersionNumber10_4
|
|
#define NSAppKitVersionNumber10_4 824
|
|
#endif
|
|
|
|
- (void) setCookieMappingInDictionary: (NSMutableDictionary*) _cookieToButtonMapping {
|
|
if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_4) {
|
|
// 10.4.x Tiger
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Plus] forKey:@"14_12_11_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Minus] forKey:@"14_13_11_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu] forKey:@"14_7_6_14_7_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay] forKey:@"14_8_6_14_8_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight] forKey:@"14_9_6_14_9_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft] forKey:@"14_10_6_14_10_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold] forKey:@"14_6_4_2_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold] forKey:@"14_6_3_2_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold] forKey:@"14_6_14_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep] forKey:@"18_14_6_18_14_6_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched] forKey:@"19_"];
|
|
} else {
|
|
// 10.5.x Leopard
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Plus] forKey:@"31_29_28_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Minus] forKey:@"31_30_28_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu] forKey:@"31_20_19_18_31_20_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay] forKey:@"31_21_19_18_31_21_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight] forKey:@"31_22_19_18_31_22_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft] forKey:@"31_23_19_18_31_23_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold] forKey:@"31_19_18_4_2_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold] forKey:@"31_19_18_3_2_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold] forKey:@"31_19_18_31_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep] forKey:@"35_31_19_18_35_31_19_18_"];
|
|
[_cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched] forKey:@"19_"];
|
|
}
|
|
}
|
|
|
|
- (id) init {
|
|
if ( self = [super init] ) {
|
|
openInExclusiveMode = YES;
|
|
queue = NULL;
|
|
hidDeviceInterface = NULL;
|
|
cookieToButtonMapping = [[NSMutableDictionary alloc] init];
|
|
[self setCookieMappingInDictionary:cookieToButtonMapping];
|
|
|
|
/* defaults */
|
|
[self setSimulatesPlusMinusHold: YES];
|
|
maxClickTimeDifference = DEFAULT_MAXIMUM_CLICK_TIME_DIFFERENCE;
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void) dealloc {
|
|
[self stopListening:self];
|
|
[cookieToButtonMapping release];
|
|
[super dealloc];
|
|
}
|
|
|
|
/* this was added by the VideoLAN team to ensure Leopard-compatibility and is VLC-only */
|
|
#if GC_ENABLED
|
|
- (void)finalize
|
|
{
|
|
[self stopListening: self];
|
|
[super finalize];
|
|
}
|
|
#endif
|
|
|
|
- (int) remoteId {
|
|
return remoteId;
|
|
}
|
|
|
|
- (BOOL) isRemoteAvailable {
|
|
io_object_t hidDevice = [self findAppleRemoteDevice];
|
|
if (hidDevice != 0) {
|
|
IOObjectRelease(hidDevice);
|
|
return YES;
|
|
} else {
|
|
return NO;
|
|
}
|
|
}
|
|
|
|
- (BOOL) isListeningToRemote {
|
|
return (hidDeviceInterface != NULL && allCookies != NULL && queue != NULL);
|
|
}
|
|
|
|
- (void) setListeningToRemote: (BOOL) value {
|
|
if (value == NO) {
|
|
[self stopListening:self];
|
|
} else {
|
|
[self startListening:self];
|
|
}
|
|
}
|
|
|
|
/* Delegates are not retained!
|
|
* http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaFundamentals/CommunicatingWithObjects/chapter_6_section_4.html
|
|
* Delegating objects do not (and should not) retain their delegates.
|
|
* However, clients of delegating objects (applications, usually) are responsible for ensuring that their delegates are around
|
|
* to receive delegation messages. To do this, they may have to retain the delegate. */
|
|
- (void) setDelegate: (id) _delegate {
|
|
if (_delegate && [_delegate respondsToSelector:@selector(appleRemoteButton:pressedDown:clickCount:)]==NO) return;
|
|
|
|
delegate = _delegate;
|
|
}
|
|
- (id) delegate {
|
|
return delegate;
|
|
}
|
|
|
|
- (BOOL) isOpenInExclusiveMode {
|
|
return openInExclusiveMode;
|
|
}
|
|
- (void) setOpenInExclusiveMode: (BOOL) value {
|
|
openInExclusiveMode = value;
|
|
}
|
|
|
|
- (BOOL) clickCountingEnabled {
|
|
return clickCountEnabledButtons != 0;
|
|
}
|
|
- (void) setClickCountingEnabled: (BOOL) value {
|
|
if (value) {
|
|
[self setClickCountEnabledButtons: kRemoteButtonVolume_Plus | kRemoteButtonVolume_Minus | kRemoteButtonPlay | kRemoteButtonLeft | kRemoteButtonRight | kRemoteButtonMenu];
|
|
} else {
|
|
[self setClickCountEnabledButtons: 0];
|
|
}
|
|
}
|
|
|
|
- (unsigned int) clickCountEnabledButtons {
|
|
return clickCountEnabledButtons;
|
|
}
|
|
- (void) setClickCountEnabledButtons: (unsigned int)value {
|
|
clickCountEnabledButtons = value;
|
|
}
|
|
|
|
- (NSTimeInterval) maximumClickCountTimeDifference {
|
|
return maxClickTimeDifference;
|
|
}
|
|
- (void) setMaximumClickCountTimeDifference: (NSTimeInterval) timeDiff {
|
|
maxClickTimeDifference = timeDiff;
|
|
}
|
|
|
|
- (BOOL) processesBacklog {
|
|
return processesBacklog;
|
|
}
|
|
- (void) setProcessesBacklog: (BOOL) value {
|
|
processesBacklog = value;
|
|
}
|
|
|
|
- (BOOL) listeningOnAppActivate {
|
|
id appDelegate = [NSApp delegate];
|
|
return (appDelegate!=nil && [appDelegate isKindOfClass: [AppleRemoteApplicationDelegate class]]);
|
|
}
|
|
- (void) setListeningOnAppActivate: (BOOL) value {
|
|
if (value) {
|
|
if ([self listeningOnAppActivate]) return;
|
|
AppleRemoteApplicationDelegate* appDelegate = [[AppleRemoteApplicationDelegate alloc] initWithApplicationDelegate: [NSApp delegate]];
|
|
/* NSApp does not retain its delegate therefore we keep retain count on 1 */
|
|
[NSApp setDelegate: appDelegate];
|
|
} else {
|
|
if ([self listeningOnAppActivate]==NO) return;
|
|
AppleRemoteApplicationDelegate* appDelegate = (AppleRemoteApplicationDelegate*)[NSApp delegate];
|
|
id previousAppDelegate = [appDelegate applicationDelegate];
|
|
[NSApp setDelegate: previousAppDelegate];
|
|
[appDelegate release];
|
|
}
|
|
}
|
|
|
|
- (BOOL) simulatesPlusMinusHold {
|
|
return simulatePlusMinusHold;
|
|
}
|
|
- (void) setSimulatesPlusMinusHold: (BOOL) value {
|
|
simulatePlusMinusHold = value;
|
|
}
|
|
|
|
- (IBAction) startListening: (id) sender {
|
|
if ([self isListeningToRemote]) return;
|
|
|
|
io_object_t hidDevice = [self findAppleRemoteDevice];
|
|
if (hidDevice == 0) return;
|
|
|
|
if ([self createInterfaceForDevice:hidDevice] == NULL) {
|
|
goto error;
|
|
}
|
|
|
|
if ([self initializeCookies]==NO) {
|
|
goto error;
|
|
}
|
|
|
|
if ([self openDevice]==NO) {
|
|
goto error;
|
|
}
|
|
goto cleanup;
|
|
|
|
error:
|
|
[self stopListening:self];
|
|
|
|
cleanup:
|
|
IOObjectRelease(hidDevice);
|
|
}
|
|
|
|
- (IBAction) stopListening: (id) sender {
|
|
if (queue != NULL) {
|
|
(*queue)->stop(queue);
|
|
|
|
//dispose of queue
|
|
(*queue)->dispose(queue);
|
|
|
|
//release the queue we allocated
|
|
(*queue)->Release(queue);
|
|
|
|
queue = NULL;
|
|
}
|
|
|
|
if (allCookies != nil) {
|
|
[allCookies autorelease];
|
|
allCookies = nil;
|
|
}
|
|
|
|
if (hidDeviceInterface != NULL) {
|
|
//close the device
|
|
(*hidDeviceInterface)->close(hidDeviceInterface);
|
|
|
|
//release the interface
|
|
(*hidDeviceInterface)->Release(hidDeviceInterface);
|
|
|
|
hidDeviceInterface = NULL;
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation AppleRemote (Singleton)
|
|
|
|
static AppleRemote* sharedInstance=nil;
|
|
|
|
+ (AppleRemote*) sharedRemote {
|
|
@synchronized(self) {
|
|
if (sharedInstance == nil) {
|
|
sharedInstance = [[self alloc] init];
|
|
}
|
|
}
|
|
return sharedInstance;
|
|
}
|
|
+ (id)allocWithZone:(NSZone *)zone {
|
|
@synchronized(self) {
|
|
if (sharedInstance == nil) {
|
|
return [super allocWithZone:zone];
|
|
}
|
|
}
|
|
return sharedInstance;
|
|
}
|
|
- (id)copyWithZone:(NSZone *)zone {
|
|
return self;
|
|
}
|
|
- (id)retain {
|
|
return self;
|
|
}
|
|
- (unsigned)retainCount {
|
|
return UINT_MAX; //denotes an object that cannot be released
|
|
}
|
|
- (void)release {
|
|
//do nothing
|
|
}
|
|
- (id)autorelease {
|
|
return self;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation AppleRemote (PrivateMethods)
|
|
|
|
- (void) setRemoteId: (int) value {
|
|
remoteId = value;
|
|
}
|
|
|
|
- (IOHIDQueueInterface**) queue {
|
|
return queue;
|
|
}
|
|
|
|
- (IOHIDDeviceInterface**) hidDeviceInterface {
|
|
return hidDeviceInterface;
|
|
}
|
|
|
|
|
|
- (NSDictionary*) cookieToButtonMapping {
|
|
return cookieToButtonMapping;
|
|
}
|
|
|
|
- (NSString*) validCookieSubstring: (NSString*) cookieString {
|
|
if (cookieString == nil || [cookieString length] == 0) return nil;
|
|
NSEnumerator* keyEnum = [[self cookieToButtonMapping] keyEnumerator];
|
|
NSString* key;
|
|
while(key = [keyEnum nextObject]) {
|
|
NSRange range = [cookieString rangeOfString:key];
|
|
if (range.location == 0) return key;
|
|
}
|
|
return nil;
|
|
}
|
|
|
|
- (void) sendSimulatedPlusMinusEvent: (id) time {
|
|
BOOL startSimulateHold = NO;
|
|
AppleRemoteEventIdentifier event = lastPlusMinusEvent;
|
|
@synchronized(self) {
|
|
startSimulateHold = (lastPlusMinusEvent>0 && lastPlusMinusEventTime == [time doubleValue]);
|
|
}
|
|
if (startSimulateHold) {
|
|
lastEventSimulatedHold = YES;
|
|
event = (event==kRemoteButtonVolume_Plus) ? kRemoteButtonVolume_Plus_Hold : kRemoteButtonVolume_Minus_Hold;
|
|
[delegate appleRemoteButton:event pressedDown: YES clickCount: 1];
|
|
}
|
|
}
|
|
|
|
- (void) sendRemoteButtonEvent: (AppleRemoteEventIdentifier) event pressedDown: (BOOL) pressedDown {
|
|
if (delegate) {
|
|
if (simulatePlusMinusHold) {
|
|
if (event == kRemoteButtonVolume_Plus || event == kRemoteButtonVolume_Minus) {
|
|
if (pressedDown) {
|
|
lastPlusMinusEvent = event;
|
|
lastPlusMinusEventTime = [NSDate timeIntervalSinceReferenceDate];
|
|
[self performSelector:@selector(sendSimulatedPlusMinusEvent:)
|
|
withObject:[NSNumber numberWithDouble:lastPlusMinusEventTime]
|
|
afterDelay:HOLD_RECOGNITION_TIME_INTERVAL];
|
|
return;
|
|
} else {
|
|
if (lastEventSimulatedHold) {
|
|
event = (event==kRemoteButtonVolume_Plus) ? kRemoteButtonVolume_Plus_Hold : kRemoteButtonVolume_Minus_Hold;
|
|
lastPlusMinusEvent = 0;
|
|
lastEventSimulatedHold = NO;
|
|
} else {
|
|
@synchronized(self) {
|
|
lastPlusMinusEvent = 0;
|
|
}
|
|
pressedDown = YES;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (([self clickCountEnabledButtons] & event) == event) {
|
|
if (pressedDown==NO && (event == kRemoteButtonVolume_Minus || event == kRemoteButtonVolume_Plus)) {
|
|
return; // this one is triggered automatically by the handler
|
|
}
|
|
NSNumber* eventNumber;
|
|
NSNumber* timeNumber;
|
|
@synchronized(self) {
|
|
lastClickCountEventTime = [NSDate timeIntervalSinceReferenceDate];
|
|
if (lastClickCountEvent == event) {
|
|
eventClickCount = eventClickCount + 1;
|
|
} else {
|
|
eventClickCount = 1;
|
|
}
|
|
lastClickCountEvent = event;
|
|
timeNumber = [NSNumber numberWithDouble:lastClickCountEventTime];
|
|
eventNumber= [NSNumber numberWithUnsignedInt:event];
|
|
}
|
|
[self performSelector: @selector(executeClickCountEvent:)
|
|
withObject: [NSArray arrayWithObjects:eventNumber, timeNumber, nil]
|
|
afterDelay: maxClickTimeDifference];
|
|
} else {
|
|
[delegate appleRemoteButton:event pressedDown: pressedDown clickCount:1];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void) executeClickCountEvent: (NSArray*) values {
|
|
AppleRemoteEventIdentifier event = [[values objectAtIndex: 0] unsignedIntValue];
|
|
NSTimeInterval eventTimePoint = [[values objectAtIndex: 1] doubleValue];
|
|
|
|
BOOL finishedClicking = NO;
|
|
int finalClickCount = eventClickCount;
|
|
|
|
@synchronized(self) {
|
|
finishedClicking = (event != lastClickCountEvent || eventTimePoint == lastClickCountEventTime);
|
|
if (finishedClicking) eventClickCount = 0;
|
|
}
|
|
|
|
if (finishedClicking) {
|
|
[delegate appleRemoteButton:event pressedDown: YES clickCount:finalClickCount];
|
|
if ([self simulatesPlusMinusHold]==NO && (event == kRemoteButtonVolume_Minus || event == kRemoteButtonVolume_Plus)) {
|
|
// trigger a button release event, too
|
|
[NSThread sleepUntilDate: [NSDate dateWithTimeIntervalSinceNow:0.1]];
|
|
[delegate appleRemoteButton:event pressedDown: NO clickCount:finalClickCount];
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
- (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues {
|
|
/*
|
|
if (previousRemainingCookieString) {
|
|
cookieString = [previousRemainingCookieString stringByAppendingString: cookieString];
|
|
NSLog(@"New cookie string is %@", cookieString);
|
|
[previousRemainingCookieString release], previousRemainingCookieString=nil;
|
|
}*/
|
|
if (cookieString == nil || [cookieString length] == 0) return;
|
|
NSNumber* buttonId = [[self cookieToButtonMapping] objectForKey: cookieString];
|
|
if (buttonId != nil) {
|
|
[self sendRemoteButtonEvent: [buttonId intValue] pressedDown: (sumOfValues>0)];
|
|
} else {
|
|
// let's see if a number of events are stored in the cookie string. this does
|
|
// happen when the main thread is too busy to handle all incoming events in time.
|
|
NSString* subCookieString;
|
|
NSString* lastSubCookieString=nil;
|
|
while((subCookieString = [self validCookieSubstring: cookieString])) {
|
|
cookieString = [cookieString substringFromIndex: [subCookieString length]];
|
|
lastSubCookieString = subCookieString;
|
|
if (processesBacklog) [self handleEventWithCookieString: subCookieString sumOfValues:sumOfValues];
|
|
}
|
|
if (processesBacklog == NO && lastSubCookieString != nil) {
|
|
// process the last event of the backlog and assume that the button is not pressed down any longer.
|
|
// The events in the backlog do not seem to be in order and therefore (in rare cases) the last event might be
|
|
// a button pressed down event while in reality the user has released it.
|
|
// NSLog(@"processing last event of backlog");
|
|
[self handleEventWithCookieString: lastSubCookieString sumOfValues:0];
|
|
}
|
|
if ([cookieString length] > 0) {
|
|
NSLog(@"Unknown button for cookiestring %@", cookieString);
|
|
}
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
/* Callback method for the device queue
|
|
Will be called for any event of any type (cookie) to which we subscribe
|
|
*/
|
|
static void QueueCallbackFunction(void* target, IOReturn result, void* refcon, void* sender) {
|
|
AppleRemote* remote = (AppleRemote*)target;
|
|
|
|
IOHIDEventStruct event;
|
|
AbsoluteTime zeroTime = {0,0};
|
|
NSMutableString* cookieString = [NSMutableString string];
|
|
SInt32 sumOfValues = 0;
|
|
while (result == kIOReturnSuccess)
|
|
{
|
|
result = (*[remote queue])->getNextEvent([remote queue], &event, zeroTime, 0);
|
|
if ( result != kIOReturnSuccess )
|
|
continue;
|
|
|
|
//printf("%d %d %d\n", event.elementCookie, event.value, event.longValue);
|
|
|
|
if (((int)event.elementCookie)!=5) {
|
|
sumOfValues+=event.value;
|
|
[cookieString appendString:[NSString stringWithFormat:@"%p_", event.elementCookie]];
|
|
}
|
|
}
|
|
|
|
[remote handleEventWithCookieString: cookieString sumOfValues: sumOfValues];
|
|
}
|
|
|
|
@implementation AppleRemote (IOKitMethods)
|
|
|
|
- (IOHIDDeviceInterface**) createInterfaceForDevice: (io_object_t) hidDevice {
|
|
io_name_t className;
|
|
IOCFPlugInInterface** plugInInterface = NULL;
|
|
HRESULT plugInResult = S_OK;
|
|
SInt32 score = 0;
|
|
IOReturn ioReturnValue = kIOReturnSuccess;
|
|
|
|
hidDeviceInterface = NULL;
|
|
|
|
ioReturnValue = IOObjectGetClass(hidDevice, className);
|
|
|
|
if (ioReturnValue != kIOReturnSuccess) {
|
|
NSLog(@"Error: Failed to get class name.");
|
|
return NULL;
|
|
}
|
|
|
|
ioReturnValue = IOCreatePlugInInterfaceForService(hidDevice,
|
|
kIOHIDDeviceUserClientTypeID,
|
|
kIOCFPlugInInterfaceID,
|
|
&plugInInterface,
|
|
&score);
|
|
if (ioReturnValue == kIOReturnSuccess)
|
|
{
|
|
//Call a method of the intermediate plug-in to create the device interface
|
|
plugInResult = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (LPVOID) &hidDeviceInterface);
|
|
|
|
if (plugInResult != S_OK) {
|
|
NSLog(@"Error: Couldn't create HID class device interface");
|
|
}
|
|
// Release
|
|
if (plugInInterface) (*plugInInterface)->Release(plugInInterface);
|
|
}
|
|
return hidDeviceInterface;
|
|
}
|
|
|
|
- (io_object_t) findAppleRemoteDevice {
|
|
CFMutableDictionaryRef hidMatchDictionary = NULL;
|
|
IOReturn ioReturnValue = kIOReturnSuccess;
|
|
io_iterator_t hidObjectIterator = 0;
|
|
io_object_t hidDevice = 0;
|
|
|
|
// Set up a matching dictionary to search the I/O Registry by class
|
|
// name for all HID class devices
|
|
hidMatchDictionary = IOServiceMatching(AppleRemoteDeviceName);
|
|
|
|
// Now search I/O Registry for matching devices.
|
|
ioReturnValue = IOServiceGetMatchingServices(kIOMasterPortDefault, hidMatchDictionary, &hidObjectIterator);
|
|
|
|
if ((ioReturnValue == kIOReturnSuccess) && (hidObjectIterator != 0)) {
|
|
hidDevice = IOIteratorNext(hidObjectIterator);
|
|
}
|
|
|
|
// release the iterator
|
|
IOObjectRelease(hidObjectIterator);
|
|
|
|
return hidDevice;
|
|
}
|
|
|
|
- (BOOL) initializeCookies {
|
|
IOHIDDeviceInterface122** handle = (IOHIDDeviceInterface122**)hidDeviceInterface;
|
|
IOHIDElementCookie cookie;
|
|
long usage;
|
|
long usagePage;
|
|
id object;
|
|
NSArray* elements = nil;
|
|
NSDictionary* element;
|
|
IOReturn success;
|
|
|
|
if (!handle || !(*handle)) return NO;
|
|
|
|
/* Copy all elements, since we're grabbing most of the elements
|
|
* for this device anyway, and thus, it's faster to iterate them
|
|
* ourselves. When grabbing only one or two elements, a matching
|
|
* dictionary should be passed in here instead of NULL. */
|
|
success = (*handle)->copyMatchingElements(handle, NULL, (CFArrayRef*)&elements);
|
|
|
|
if (success == kIOReturnSuccess) {
|
|
|
|
[elements autorelease];
|
|
/*
|
|
cookies = calloc(NUMBER_OF_APPLE_REMOTE_ACTIONS, sizeof(IOHIDElementCookie));
|
|
memset(cookies, 0, sizeof(IOHIDElementCookie) * NUMBER_OF_APPLE_REMOTE_ACTIONS);
|
|
*/
|
|
allCookies = [[NSMutableArray alloc] init];
|
|
int i;
|
|
for (i=0; i< [elements count]; i++) {
|
|
element = [elements objectAtIndex:i];
|
|
|
|
//Get cookie
|
|
object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementCookieKey) ];
|
|
if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
|
|
if (object == 0 || CFGetTypeID(object) != CFNumberGetTypeID()) continue;
|
|
cookie = (IOHIDElementCookie) [object longValue];
|
|
|
|
//Get usage
|
|
object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementUsageKey) ];
|
|
if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
|
|
usage = [object longValue];
|
|
|
|
//Get usage page
|
|
object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementUsagePageKey) ];
|
|
if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
|
|
usagePage = [object longValue];
|
|
|
|
[allCookies addObject: [NSNumber numberWithInt:(int)cookie]];
|
|
}
|
|
} else {
|
|
return NO;
|
|
}
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (BOOL) openDevice {
|
|
HRESULT result;
|
|
|
|
IOHIDOptionsType openMode = kIOHIDOptionsTypeNone;
|
|
if ([self isOpenInExclusiveMode]) openMode = kIOHIDOptionsTypeSeizeDevice;
|
|
IOReturn ioReturnValue = (*hidDeviceInterface)->open(hidDeviceInterface, openMode);
|
|
|
|
if (ioReturnValue == KERN_SUCCESS) {
|
|
queue = (*hidDeviceInterface)->allocQueue(hidDeviceInterface);
|
|
if (queue) {
|
|
result = (*queue)->create(queue, 0, 12); //depth: maximum number of elements in queue before oldest elements in queue begin to be lost.
|
|
|
|
int i=0;
|
|
for(i=0; i<[allCookies count]; i++) {
|
|
IOHIDElementCookie cookie = (IOHIDElementCookie)[[allCookies objectAtIndex:i] intValue];
|
|
(*queue)->addElement(queue, cookie, 0);
|
|
}
|
|
|
|
// add callback for async events
|
|
CFRunLoopSourceRef eventSource;
|
|
ioReturnValue = (*queue)->createAsyncEventSource(queue, &eventSource);
|
|
if (ioReturnValue == KERN_SUCCESS) {
|
|
ioReturnValue = (*queue)->setEventCallout(queue,QueueCallbackFunction, self, NULL);
|
|
if (ioReturnValue == KERN_SUCCESS) {
|
|
CFRunLoopAddSource(CFRunLoopGetCurrent(), eventSource, kCFRunLoopDefaultMode);
|
|
//start data delivery to queue
|
|
(*queue)->start(queue);
|
|
return YES;
|
|
} else {
|
|
NSLog(@"Error when setting event callout");
|
|
}
|
|
} else {
|
|
NSLog(@"Error when creating async event source");
|
|
}
|
|
} else {
|
|
NSLog(@"Error when opening device");
|
|
}
|
|
}
|
|
return NO;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation AppleRemoteApplicationDelegate
|
|
|
|
- (id) initWithApplicationDelegate: (id) delegate {
|
|
if (self = [super init]) {
|
|
applicationDelegate = [delegate retain];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void) dealloc {
|
|
[applicationDelegate release];
|
|
[super dealloc];
|
|
}
|
|
|
|
- (id) applicationDelegate {
|
|
return applicationDelegate;
|
|
}
|
|
|
|
- (void)applicationWillBecomeActive:(NSNotification *)aNotification {
|
|
if ([applicationDelegate respondsToSelector: @selector(applicationWillBecomeActive:)]) {
|
|
[applicationDelegate applicationWillBecomeActive: aNotification];
|
|
}
|
|
}
|
|
- (void)applicationDidBecomeActive:(NSNotification *)aNotification {
|
|
[[AppleRemote sharedRemote] setListeningToRemote: YES];
|
|
|
|
if ([applicationDelegate respondsToSelector: @selector(applicationDidBecomeActive:)]) {
|
|
[applicationDelegate applicationDidBecomeActive: aNotification];
|
|
}
|
|
}
|
|
- (void)applicationWillResignActive:(NSNotification *)aNotification {
|
|
[[AppleRemote sharedRemote] setListeningToRemote: NO];
|
|
|
|
if ([applicationDelegate respondsToSelector: @selector(applicationWillResignActive:)]) {
|
|
[applicationDelegate applicationWillResignActive: aNotification];
|
|
}
|
|
}
|
|
- (void)applicationDidResignActive:(NSNotification *)aNotification {
|
|
if ([applicationDelegate respondsToSelector: @selector(applicationDidResignActive:)]) {
|
|
[applicationDelegate applicationDidResignActive: aNotification];
|
|
}
|
|
}
|
|
|
|
- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector {
|
|
NSMethodSignature* signature = [super methodSignatureForSelector: aSelector];
|
|
if (signature == nil && applicationDelegate != nil) {
|
|
signature = [applicationDelegate methodSignatureForSelector: aSelector];
|
|
}
|
|
return signature;
|
|
}
|
|
|
|
- (void)forwardInvocation:(NSInvocation *)invocation {
|
|
SEL aSelector = [invocation selector];
|
|
|
|
if (applicationDelegate==nil || [applicationDelegate respondsToSelector:aSelector]==NO) {
|
|
[super forwardInvocation: invocation];
|
|
return;
|
|
}
|
|
|
|
[invocation invokeWithTarget:applicationDelegate];
|
|
}
|
|
@end |