HIDRemoteControlDevice.m (eace47cd) HIDRemoteControlDevice.m (53e04a5d)
1/*****************************************************************************
2 * HIDRemoteControlDevice.m
3 * RemoteControlWrapper
4 *
5 * Created by Martin Kahr on 11.03.06 under a MIT-style license.
6 * Copyright (c) 2006 martinkahr.com. All rights reserved.
7 *
8 * Code modified and adapted to OpenOffice.org

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269 }
270 return nil;
271}
272
273- (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues {
274 /*
275 if (previousRemainingCookieString) {
276 cookieString = [previousRemainingCookieString stringByAppendingString: cookieString];
1/*****************************************************************************
2 * HIDRemoteControlDevice.m
3 * RemoteControlWrapper
4 *
5 * Created by Martin Kahr on 11.03.06 under a MIT-style license.
6 * Copyright (c) 2006 martinkahr.com. All rights reserved.
7 *
8 * Code modified and adapted to OpenOffice.org

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269 }
270 return nil;
271}
272
273- (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues {
274 /*
275 if (previousRemainingCookieString) {
276 cookieString = [previousRemainingCookieString stringByAppendingString: cookieString];
277 NSLog(@"New cookie string is %@", cookieString);
277 NSLog( @"Apple Remote: New cookie string is %@", cookieString);
278 [previousRemainingCookieString release], previousRemainingCookieString=nil;
279 }*/
280 if (cookieString == nil || [cookieString length] == 0) return;
281
282 NSNumber* buttonId = [[self cookieToButtonMapping] objectForKey: cookieString];
283 if (buttonId != nil) {
284 switch ( (int)buttonId )
285 {

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305 if (processesBacklog == NO && lastSubCookieString != nil) {
306 // process the last event of the backlog and assume that the button is not pressed down any longer.
307 // The events in the backlog do not seem to be in order and therefore (in rare cases) the last event might be
308 // a button pressed down event while in reality the user has released it.
309 // NSLog(@"processing last event of backlog");
310 [self handleEventWithCookieString: lastSubCookieString sumOfValues:0];
311 }
312 if ([cookieString length] > 0) {
278 [previousRemainingCookieString release], previousRemainingCookieString=nil;
279 }*/
280 if (cookieString == nil || [cookieString length] == 0) return;
281
282 NSNumber* buttonId = [[self cookieToButtonMapping] objectForKey: cookieString];
283 if (buttonId != nil) {
284 switch ( (int)buttonId )
285 {

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305 if (processesBacklog == NO && lastSubCookieString != nil) {
306 // process the last event of the backlog and assume that the button is not pressed down any longer.
307 // The events in the backlog do not seem to be in order and therefore (in rare cases) the last event might be
308 // a button pressed down event while in reality the user has released it.
309 // NSLog(@"processing last event of backlog");
310 [self handleEventWithCookieString: lastSubCookieString sumOfValues:0];
311 }
312 if ([cookieString length] > 0) {
313 NSLog(@"Unknown button for cookiestring %@", cookieString);
313 NSLog( @"Apple Remote: Unknown button for cookiestring %@", cookieString);
314 }
315 }
316}
317
318- (void) removeNotifcationObserver {
319 [[NSDistributedNotificationCenter defaultCenter] removeObserver:self name:FINISHED_USING_REMOTE_CONTROL_NOTIFICATION object:nil];
320}
321

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326
327@end
328
329/* Callback method for the device queue
330Will be called for any event of any type (cookie) to which we subscribe
331*/
332static void QueueCallbackFunction(void* target, IOReturn result, void* refcon, void* sender) {
333 if (target < 0) {
314 }
315 }
316}
317
318- (void) removeNotifcationObserver {
319 [[NSDistributedNotificationCenter defaultCenter] removeObserver:self name:FINISHED_USING_REMOTE_CONTROL_NOTIFICATION object:nil];
320}
321

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326
327@end
328
329/* Callback method for the device queue
330Will be called for any event of any type (cookie) to which we subscribe
331*/
332static void QueueCallbackFunction(void* target, IOReturn result, void* refcon, void* sender) {
333 if (target < 0) {
334 NSLog(@"QueueCallbackFunction called with invalid target!");
334 NSLog( @"Apple Remote: QueueCallbackFunction called with invalid target!");
335 return;
336 }
337 NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
338
339 HIDRemoteControlDevice* remote = (HIDRemoteControlDevice*)target;
340 IOHIDEventStruct event;
341 AbsoluteTime zeroTime = {0,0};
342 NSMutableString* cookieString = [NSMutableString string];

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368 SInt32 score = 0;
369 IOReturn ioReturnValue = kIOReturnSuccess;
370
371 hidDeviceInterface = NULL;
372
373 ioReturnValue = IOObjectGetClass(hidDevice, className);
374
375 if (ioReturnValue != kIOReturnSuccess) {
335 return;
336 }
337 NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
338
339 HIDRemoteControlDevice* remote = (HIDRemoteControlDevice*)target;
340 IOHIDEventStruct event;
341 AbsoluteTime zeroTime = {0,0};
342 NSMutableString* cookieString = [NSMutableString string];

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368 SInt32 score = 0;
369 IOReturn ioReturnValue = kIOReturnSuccess;
370
371 hidDeviceInterface = NULL;
372
373 ioReturnValue = IOObjectGetClass(hidDevice, className);
374
375 if (ioReturnValue != kIOReturnSuccess) {
376 NSLog(@"Error: Failed to get class name.");
376 NSLog( @"Apple Remote: Error: Failed to get RemoteControlDevice class name.");
377 return NULL;
378 }
379
380 ioReturnValue = IOCreatePlugInInterfaceForService(hidDevice,
381 kIOHIDDeviceUserClientTypeID,
382 kIOCFPlugInInterfaceID,
383 &plugInInterface,
384 &score);
385 if (ioReturnValue == kIOReturnSuccess)
386 {
387 //Call a method of the intermediate plug-in to create the device interface
388 plugInResult = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (LPVOID) &hidDeviceInterface);
389
390 if (plugInResult != S_OK) {
377 return NULL;
378 }
379
380 ioReturnValue = IOCreatePlugInInterfaceForService(hidDevice,
381 kIOHIDDeviceUserClientTypeID,
382 kIOCFPlugInInterfaceID,
383 &plugInInterface,
384 &score);
385 if (ioReturnValue == kIOReturnSuccess)
386 {
387 //Call a method of the intermediate plug-in to create the device interface
388 plugInResult = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (LPVOID) &hidDeviceInterface);
389
390 if (plugInResult != S_OK) {
391 NSLog(@"Error: Couldn't create HID class device interface");
391 NSLog( @"Apple Remote: Error: Couldn't create HID class device interface");
392 }
393 // Release
394 if (plugInInterface) (*plugInInterface)->Release(plugInInterface);
395 }
396 return hidDeviceInterface;
397}
398
399- (BOOL) initializeCookies {

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476 ioReturnValue = (*queue)->setEventCallout(queue,QueueCallbackFunction, self, NULL);
477 if (ioReturnValue == KERN_SUCCESS) {
478 CFRunLoopAddSource(CFRunLoopGetCurrent(), eventSource, kCFRunLoopDefaultMode);
479
480 //start data delivery to queue
481 (*queue)->start(queue);
482 return YES;
483 } else {
392 }
393 // Release
394 if (plugInInterface) (*plugInInterface)->Release(plugInInterface);
395 }
396 return hidDeviceInterface;
397}
398
399- (BOOL) initializeCookies {

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476 ioReturnValue = (*queue)->setEventCallout(queue,QueueCallbackFunction, self, NULL);
477 if (ioReturnValue == KERN_SUCCESS) {
478 CFRunLoopAddSource(CFRunLoopGetCurrent(), eventSource, kCFRunLoopDefaultMode);
479
480 //start data delivery to queue
481 (*queue)->start(queue);
482 return YES;
483 } else {
484 NSLog(@"Error when setting event callback");
484 NSLog( @"Apple Remote: Error when setting event callback");
485 }
486 } else {
485 }
486 } else {
487 NSLog(@"Error when creating async event source");
487 NSLog( @"Apple Remote: Error when creating async event source");
488 }
489 } else {
488 }
489 } else {
490 NSLog(@"Error when opening device");
490 NSLog( @"Apple Remote: Error when opening device");
491 }
492 } else if (ioReturnValue == kIOReturnExclusiveAccess) {
493 // the device is used exclusive by another application
494
495 // 1. we register for the FINISHED_USING_REMOTE_CONTROL_NOTIFICATION notification
496 [[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(remoteControlAvailable:) name:FINISHED_USING_REMOTE_CONTROL_NOTIFICATION object:nil];
497
498 // 2. send a distributed notification that we wanted to use the remote control

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492 } else if (ioReturnValue == kIOReturnExclusiveAccess) {
493 // the device is used exclusive by another application
494
495 // 1. we register for the FINISHED_USING_REMOTE_CONTROL_NOTIFICATION notification
496 [[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(remoteControlAvailable:) name:FINISHED_USING_REMOTE_CONTROL_NOTIFICATION object:nil];
497
498 // 2. send a distributed notification that we wanted to use the remote control

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