/*
* Checks to see if the haptic device and joystick and in reality the same.
*/
int
SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
{
if (IOObjectIsEqualTo((io_object_t) ((size_t)haptic->hwdata->device),
joystick->hwdata->ffservice))
return 1;
return 0;
}
/*
* Opens a SDL_Haptic from a SDL_Joystick.
*/
int
SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
{
int device_index = 0;
SDL_hapticlist_item *item;
for (item = SDL_hapticlist; item; item = item->next) {
if (IOObjectIsEqualTo((io_object_t) item->dev,
joystick->hwdata->ffservice)) {
haptic->index = device_index;
break;
}
++device_index;
}
return SDL_SYS_HapticOpenFromService(haptic, joystick->hwdata->ffservice);
}
/*
* Opens a SDL_Haptic from a SDL_Joystick.
*/
int
SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
{
int i;
for (i=0; i<SDL_numhaptics; i++) {
if (IOObjectIsEqualTo((io_object_t) SDL_hapticlist[i].dev,
joystick->hwdata->ffservice)) {
haptic->index = i;
break;
}
}
if (i >= SDL_numhaptics) {
return -1;
}
return SDL_SYS_HapticOpenFromService(haptic, joystick->hwdata->ffservice);
}
int
MacHaptic_MaybeRemoveDevice( io_object_t device )
{
SDL_hapticlist_item *item;
SDL_hapticlist_item *prev = NULL;
if (numhaptics == -1) {
return -1; /* not initialized. ignore this. */
}
for (item = SDL_hapticlist; item != NULL; item = item->next) {
/* found it, remove it. */
if (IOObjectIsEqualTo((io_object_t) item->dev, device)) {
const int retval = item->haptic ? item->haptic->index : -1;
if (prev != NULL) {
prev->next = item->next;
} else {
SDL_assert(SDL_hapticlist == item);
SDL_hapticlist = item->next;
}
if (item == SDL_hapticlist_tail) {
SDL_hapticlist_tail = prev;
}
/* Need to decrement the haptic count */
--numhaptics;
/* !!! TODO: Send a haptic remove event? */
IOObjectRelease(item->dev);
SDL_free(item);
return retval;
}
prev = item;
}
return -1;
}
int
MacHaptic_MaybeAddDevice( io_object_t device )
{
IOReturn result;
CFMutableDictionaryRef hidProperties;
CFTypeRef refCF;
SDL_hapticlist_item *item;
if (numhaptics == -1) {
return -1; /* not initialized. We'll pick these up on enumeration if we init later. */
}
/* Check for force feedback. */
if (FFIsForceFeedback(device) != FF_OK) {
return -1;
}
/* Make sure we don't already have it */
for (item = SDL_hapticlist; item ; item = item->next)
{
if (IOObjectIsEqualTo((io_object_t) item->dev, device)) {
/* Already added */
return -1;
}
}
item = (SDL_hapticlist_item *)SDL_calloc(1, sizeof(SDL_hapticlist_item));
if (item == NULL) {
return SDL_SetError("Could not allocate haptic storage");
}
/* retain it as we are going to keep it around a while */
IOObjectRetain(device);
/* Set basic device data. */
HIDGetDeviceProduct(device, item->name);
item->dev = device;
/* Set usage pages. */
hidProperties = 0;
refCF = 0;
result = IORegistryEntryCreateCFProperties(device,
&hidProperties,
kCFAllocatorDefault,
kNilOptions);
if ((result == KERN_SUCCESS) && hidProperties) {
refCF = CFDictionaryGetValue(hidProperties,
CFSTR(kIOHIDPrimaryUsagePageKey));
if (refCF) {
if (!CFNumberGetValue(refCF, kCFNumberLongType, &item->usagePage)) {
SDL_SetError("Haptic: Receiving device's usage page.");
}
refCF = CFDictionaryGetValue(hidProperties,
CFSTR(kIOHIDPrimaryUsageKey));
if (refCF) {
if (!CFNumberGetValue(refCF, kCFNumberLongType, &item->usage)) {
SDL_SetError("Haptic: Receiving device's usage.");
}
}
}
CFRelease(hidProperties);
}
if (SDL_hapticlist_tail == NULL) {
SDL_hapticlist = SDL_hapticlist_tail = item;
} else {
SDL_hapticlist_tail->next = item;
SDL_hapticlist_tail = item;
}
/* Device has been added. */
++numhaptics;
return numhaptics;
}
// first look up the media object, then create a
// custom matching dictionary that should be persistent
// from boot to boot
int addMatchingInfoForBSDName(BLContextPtr context,
mach_port_t masterPort,
CFMutableDictionaryRef dict,
const char *bsdName,
bool shortForm)
{
io_service_t media = IO_OBJECT_NULL, checkMedia = IO_OBJECT_NULL;
CFStringRef uuid = NULL;
CFMutableDictionaryRef propDict = NULL;
kern_return_t kret;
CFStringRef lastBSDName = NULL;
lastBSDName = CFStringCreateWithCString(kCFAllocatorDefault,
bsdName,
kCFStringEncodingUTF8);
propDict = IOBSDNameMatching(masterPort, 0, bsdName);
CFDictionarySetValue(propDict, CFSTR(kIOProviderClassKey), CFSTR(kIOMediaClass));
media = IOServiceGetMatchingService(masterPort,
propDict);
propDict = NULL;
if(media == IO_OBJECT_NULL) {
contextprintf(context, kBLLogLevelError, "Could not find object for %s\n", bsdName);
CFRelease(lastBSDName);
return 1;
}
uuid = IORegistryEntryCreateCFProperty(media, CFSTR(kIOMediaUUIDKey),
kCFAllocatorDefault, 0);
if(uuid == NULL) {
CFUUIDRef fsuuid = NULL;
CFStringRef fsuuidstr = NULL;
io_string_t path;
#if USE_DISKARBITRATION
DASessionRef session = NULL;
DADiskRef dadisk = NULL;
contextprintf(context, kBLLogLevelVerbose, "IOMedia %s does not have a partition %s\n",
bsdName, kIOMediaUUIDKey);
session = DASessionCreate(kCFAllocatorDefault);
if(session) {
dadisk = DADiskCreateFromIOMedia(kCFAllocatorDefault, session,
media);
if(dadisk) {
CFDictionaryRef descrip = DADiskCopyDescription(dadisk);
if(descrip) {
fsuuid = CFDictionaryGetValue(descrip, kDADiskDescriptionVolumeUUIDKey);
if(fsuuid)
CFRetain(fsuuid);
CFRelease(descrip);
}
CFRelease(dadisk);
}
CFRelease(session);
}
#endif // USE_DISKARBITRATION
if(fsuuid) {
char fsuuidCString[64];
fsuuidstr = CFUUIDCreateString(kCFAllocatorDefault, fsuuid);
CFStringGetCString(fsuuidstr,fsuuidCString,sizeof(fsuuidCString),kCFStringEncodingUTF8);
contextprintf(context, kBLLogLevelVerbose, "DADiskRef %s has Volume UUID %s\n",
bsdName, fsuuidCString);
CFRelease(fsuuid);
} else {
contextprintf(context, kBLLogLevelVerbose, "IOMedia %s does not have a Volume UUID\n",
bsdName);
}
// we have a volume UUID, but our primary matching mechanism will be the device path
kret = IORegistryEntryGetPath(media, kIODeviceTreePlane,path);
if(kret) {
contextprintf(context, kBLLogLevelVerbose, "IOMedia %s does not have device tree path\n",
bsdName);
propDict = IOServiceMatching(kIOMediaClass);
CFDictionaryAddValue(propDict, CFSTR(kIOBSDNameKey), lastBSDName);
// add UUID as hint
if(fsuuidstr)
CFDictionaryAddValue(dict, CFSTR("BLVolumeUUID"), fsuuidstr);
} else {
CFStringRef blpath = CFStringCreateWithCString(kCFAllocatorDefault, path, kCFStringEncodingUTF8);
contextprintf(context, kBLLogLevelVerbose, "IOMedia %s has path %s\n",
bsdName, path);
propDict = IOServiceMatching(kIOMediaClass);
CFDictionaryAddValue(propDict, CFSTR(kIOPathMatchKey), blpath);
CFRelease(blpath);
// add UUID as hint
if(fsuuidstr)
CFDictionaryAddValue(dict, CFSTR("BLVolumeUUID"), fsuuidstr);
CFDictionaryAddValue(dict, CFSTR("BLLastBSDName"), lastBSDName);
}
if(fsuuidstr) {
CFRelease(fsuuidstr);
}
} else {
CFMutableDictionaryRef propMatch;
contextprintf(context, kBLLogLevelVerbose, "IOMedia %s has UUID %s\n",
bsdName, BLGetCStringDescription(uuid));
propMatch = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFDictionaryAddValue(propMatch, CFSTR(kIOMediaUUIDKey), uuid);
propDict = IOServiceMatching(kIOMediaClass);
CFDictionaryAddValue(propDict, CFSTR(kIOPropertyMatchKey), propMatch);
CFRelease(propMatch);
// add a hint to the top-level dict
CFDictionaryAddValue(dict, CFSTR("BLLastBSDName"), lastBSDName);
CFRelease(uuid);
}
// verify the dictionary matches
CFRetain(propDict); // consumed below
checkMedia = IOServiceGetMatchingService(masterPort,
propDict);
if(IO_OBJECT_NULL == checkMedia
|| !IOObjectIsEqualTo(media, checkMedia)) {
contextprintf(context, kBLLogLevelVerbose, "Inconsistent registry entries for %s\n",
bsdName);
if(IO_OBJECT_NULL != checkMedia) IOObjectRelease(checkMedia);
IOObjectRelease(media);
CFRelease(lastBSDName);
CFRelease(propDict);
return 2;
}
IOObjectRelease(checkMedia);
IOObjectRelease(media);
CFDictionaryAddValue(dict, CFSTR("IOMatch"), propDict);
CFRelease(lastBSDName);
CFRelease(propDict);
if(shortForm) {
CFDictionaryAddValue(dict, CFSTR("IOEFIShortForm"), kCFBooleanTrue);
}
return 0;
}
