enum AppleRemoteEventIdentifier
{
- kRemoteButtonVolume_Plus=0,
- kRemoteButtonVolume_Minus,
- kRemoteButtonMenu,
- kRemoteButtonPlay,
- kRemoteButtonRight,
- kRemoteButtonLeft,
- kRemoteButtonRight_Hold,
- kRemoteButtonLeft_Hold,
- kRemoteButtonMenu_Hold,
- kRemoteButtonPlay_Sleep,
- kRemoteControl_Switched
+ 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
+/* 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;
-
- int remoteId;
-
- IBOutlet id delegate;
+ 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;
}
-- (void) setRemoteId: (int) aValue;
- (int) remoteId;
- (BOOL) isRemoteAvailable;
- (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;
@end
-/* Method definitions for the delegate of the AppleRemote class
-*/
+/* Method definitions for the delegate of the AppleRemote class */
@interface NSObject(NSAppleRemoteDelegate)
-- (void) appleRemoteButton: (AppleRemoteEventIdentifier)buttonIdentifier pressedDown: (BOOL) pressedDown;
+- (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;
- (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
\ No newline at end of file
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
-- (id) init
-{
- self = [super init];
-
- if ( self == [super init] ) {
- openInExclusiveMode = YES;
- queue = NULL;
- hidDeviceInterface = NULL;
- cookieToButtonMapping = [[NSMutableDictionary alloc] init];
-
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Plus] forKey:@"14_12_11_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Minus] forKey:@"14_13_11_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu] forKey:@"14_7_6_5_14_7_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay] forKey:@"14_8_6_5_14_8_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight] forKey:@"14_9_6_5_14_9_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft] forKey:@"14_10_6_5_14_10_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold] forKey:@"14_6_5_4_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold] forKey:@"14_6_5_3_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold] forKey:@"14_6_5_14_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep] forKey:@"18_14_6_5_18_14_6_5_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched] forKey:@"19_"];
- }
-
- return self;
+#pragma public interface
+
+- (id) init {
+ if ( self = [super init] ) {
+ openInExclusiveMode = YES;
+ queue = NULL;
+ hidDeviceInterface = NULL;
+ cookieToButtonMapping = [[NSMutableDictionary alloc] init];
+
+ [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_"];
+
+ /* defaults */
+ [self setSimulatesPlusMinusHold: YES];
+ maxClickTimeDifference = DEFAULT_MAXIMUM_CLICK_TIME_DIFFERENCE;
+ }
+
+ return self;
}
- (void) dealloc {
- [self stopListening:self];
- [cookieToButtonMapping release];
- [super dealloc];
+ [self stopListening:self];
+ [cookieToButtonMapping release];
+ [super dealloc];
}
-- (void) setRemoteId: (int) value {
- remoteId = value;
-}
- (int) remoteId {
- return remoteId;
+ return remoteId;
}
-- (BOOL) isRemoteAvailable {
- io_object_t hidDevice = [self findAppleRemoteDevice];
- if (hidDevice != 0) {
- IOObjectRelease(hidDevice);
- return YES;
- } else {
- return NO;
- }
+- (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);
+ return (hidDeviceInterface != NULL && allCookies != NULL && queue != NULL);
}
- (void) setListeningToRemote: (BOOL) value {
- if (value == NO) {
- [self stopListening:self];
- } else {
- [self startListening:self];
- }
+ 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 respondsToSelector:@selector(appleRemoteButton:pressedDown:)]==NO) return;
-
- [_delegate retain];
- [delegate release];
- delegate = _delegate;
+ if (_delegate && [_delegate respondsToSelector:@selector(appleRemoteButton:pressedDown:clickCount:)]==NO) return;
+
+ delegate = _delegate;
}
- (id) delegate {
- return delegate;
+ return delegate;
}
- (BOOL) isOpenInExclusiveMode {
- return openInExclusiveMode;
+ return openInExclusiveMode;
}
- (void) setOpenInExclusiveMode: (BOOL) value {
- openInExclusiveMode = 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;
-
+ 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);
+ [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;
- }
+ 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
static AppleRemote* sharedInstance=nil;
-+ (AppleRemote*) sharedRemote {
- @synchronized(self) {
++ (AppleRemote*) sharedRemote {
+ @synchronized(self) {
if (sharedInstance == nil) {
sharedInstance = [[self alloc] init];
}
}
- return sharedInstance;
+ return sharedInstance;
}
+ (id)allocWithZone:(NSZone *)zone {
@synchronized(self) {
if (sharedInstance == nil) {
return [super allocWithZone:zone];
}
- }
+ }
return sharedInstance;
}
- (id)copyWithZone:(NSZone *)zone {
@implementation AppleRemote (PrivateMethods)
+- (void) setRemoteId: (int) value {
+ remoteId = value;
+}
+
- (IOHIDQueueInterface**) queue {
- return queue;
+ return queue;
}
- (IOHIDDeviceInterface**) hidDeviceInterface {
- return hidDeviceInterface;
+ return hidDeviceInterface;
}
- (NSDictionary*) cookieToButtonMapping {
- return 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 {
- NSNumber* buttonId = [[self cookieToButtonMapping] objectForKey: cookieString];
- if (buttonId != nil) {
- if (delegate) {
- [delegate appleRemoteButton:[buttonId intValue] pressedDown: (sumOfValues>0)];
- }
- } else {
- NSLog(@"Unknown button for cookiestring %@", cookieString);
- }
+ /*
+ 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
+/* 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;
-
- if (REMOTE_SWITCH_COOKIE == (int)event.elementCookie) {
- [remote setRemoteId: event.value];
- [remote handleEventWithCookieString: @"19_" sumOfValues: 0];
- } else {
- sumOfValues+=event.value;
- [cookieString appendString:[NSString stringWithFormat:@"%d_", event.elementCookie]];
- }
-
- //printf("%d %d %d\n", event.elementCookie, event.value, event.longValue);
- }
-
- [remote handleEventWithCookieString: cookieString sumOfValues: sumOfValues];
-
+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 (REMOTE_SWITCH_COOKIE == (int)event.elementCookie) {
+ [remote setRemoteId: event.value];
+ [remote handleEventWithCookieString: @"19_" sumOfValues: 0];
+ } else {
+ if (((int)event.elementCookie)!=5) {
+ sumOfValues+=event.value;
+ [cookieString appendString:[NSString stringWithFormat:@"%d_", 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_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;
+ 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];
- unsigned 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;
+ 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.
-
- unsigned 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;
+ 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 {
+ NSLog(@"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
\ No newline at end of file
projects / vlc / commitdiff