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#include "gamepad.h"
#include "common/apple/cf_helpers.h"
#include "common/mallocHelper.h"
#include <IOKit/IOKitLib.h>
#include <IOKit/hid/IOHIDLib.h>
static void enumSet(IOHIDDeviceRef value, FFlist* results) {
FFGamepadDevice* device = FF_LIST_ADD(FFGamepadDevice, *results);
ffStrbufInit(&device->serial);
ffStrbufInit(&device->name);
device->battery = 0;
CFStringRef manufacturer = IOHIDDeviceGetProperty(value, CFSTR(kIOHIDManufacturerKey));
ffCfStrGetString(manufacturer, &device->name);
CFStringRef product = IOHIDDeviceGetProperty(value, CFSTR(kIOHIDProductKey));
if (device->name.length) {
ffCfStrGetString(product, &device->serial);
ffStrbufAppendC(&device->name, ' ');
ffStrbufAppend(&device->name, &device->serial);
} else {
ffCfStrGetString(product, &device->name);
}
CFStringRef serialNumber = IOHIDDeviceGetProperty(value, CFSTR(kIOHIDSerialNumberKey));
ffCfStrGetString(serialNumber, &device->serial);
}
const char* ffDetectGamepad(FFlist* devices /* List of FFGamepadDevice */) {
IOHIDManagerRef FF_CFTYPE_AUTO_RELEASE manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
if (IOHIDManagerOpen(manager, kIOHIDOptionsTypeNone) != kIOReturnSuccess) {
return "IOHIDManagerOpen() failed";
}
CFDictionaryRef FF_CFTYPE_AUTO_RELEASE matching1 = CFDictionaryCreate(kCFAllocatorDefault, (const void**) (CFStringRef[]) { CFSTR(kIOHIDDeviceUsagePageKey), CFSTR(kIOHIDDeviceUsageKey) }, (const void**) (CFNumberRef[]) { ffCfCreateInt(kHIDPage_GenericDesktop), ffCfCreateInt(kHIDUsage_GD_Joystick) }, 2, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFDictionaryRef FF_CFTYPE_AUTO_RELEASE matching2 = CFDictionaryCreate(kCFAllocatorDefault, (const void**) (CFStringRef[]) { CFSTR(kIOHIDDeviceUsagePageKey), CFSTR(kIOHIDDeviceUsageKey) }, (const void**) (CFNumberRef[]) { ffCfCreateInt(kHIDPage_GenericDesktop), ffCfCreateInt(kHIDUsage_GD_GamePad) }, 2, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFArrayRef FF_CFTYPE_AUTO_RELEASE matchings = CFArrayCreate(kCFAllocatorDefault, (const void**) (CFTypeRef[]) { matching1, matching2 }, 2, &kCFTypeArrayCallBacks);
IOHIDManagerSetDeviceMatchingMultiple(manager, matchings);
CFSetRef FF_CFTYPE_AUTO_RELEASE set = IOHIDManagerCopyDevices(manager);
if (set) {
CFSetApplyFunction(set, (CFSetApplierFunction) &enumSet, devices);
}
IOHIDManagerClose(manager, kIOHIDOptionsTypeNone);
return NULL;
}
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