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source: code/branches/ois_update/src/external/ois/mac/MacHIDManager.cpp @ 7506

Last change on this file since 7506 was 7506, checked in by rgrieder, 14 years ago
Updated OIS source files to its current SVN trunk (r26).
Property svn:eol-style set to `native`
File size: 12.7 KB

Line
1	/*
2	The zlib/libpng License
3
4	Copyright (c) 2006 Phillip Castaneda
5
6	This software is provided 'as-is', without any express or implied warranty. In no event will
7	the authors be held liable for any damages arising from the use of this software.
8
9	Permission is granted to anyone to use this software for any purpose, including commercial
10	applications, and to alter it and redistribute it freely, subject to the following
11	restrictions:
12
13	1. The origin of this software must not be misrepresented; you must not claim that
14	you wrote the original software. If you use this software in a product,
15	an acknowledgment in the product documentation would be appreciated but is
16	not required.
17
18	2. Altered source versions must be plainly marked as such, and must not be
19	misrepresented as being the original software.
20
21	3. This notice may not be removed or altered from any source distribution.
22	*/
23	#include "mac/MacHIDManager.h"
24	#include "mac/MacJoyStick.h"
25	#include "OISException.h"
26	#include "OISObject.h"
27
28	#include <iostream>
29	using namespace std;
30
31	using namespace OIS;
32
33	//------------------------------------------------------------------------------------------------------//
34	//------------------------------------------------------------------------------------------------------//
35	template<typename T>
36	T getDictionaryItemAsRef(CFDictionaryRef dict, const char* keyName)
37	{
38	return CFDictionaryGetValue(dict, OIS_CFString(keyName));
39	}
40
41	template<>
42	CFArrayRef getDictionaryItemAsRef(CFDictionaryRef dict, const char* keyName)
43	{
44	CFTypeRef temp = CFDictionaryGetValue(dict, OIS_CFString(keyName));
45
46	if(temp && CFGetTypeID(temp) == CFArrayGetTypeID())
47	return (CFArrayRef)temp;
48	else
49	return 0;
50	}
51
52	template<>
53	CFStringRef getDictionaryItemAsRef(CFDictionaryRef dict, const char* keyName)
54	{
55	CFTypeRef temp = CFDictionaryGetValue(dict, OIS_CFString(keyName));
56
57	if(temp && CFGetTypeID(temp) == CFStringGetTypeID())
58	return (CFStringRef)temp;
59	else
60	return 0;
61	}
62
63	template<>
64	CFNumberRef getDictionaryItemAsRef(CFDictionaryRef dict, const char* keyName)
65	{
66	CFTypeRef temp = CFDictionaryGetValue(dict, OIS_CFString(keyName));
67
68	if(temp && CFGetTypeID(temp) == CFNumberGetTypeID())
69	return (CFNumberRef)temp;
70	else
71	return 0;
72	}
73
74	//------------------------------------------------------------------------------------------------------//
75	//------------------------------------------------------------------------------------------------------//
76	template<typename T>
77	T getArrayItemAsRef(CFArrayRef array, CFIndex idx)
78	{
79	return CFArrayGetValueAtIndex(array, idx);
80	}
81
82	template<>
83	CFDictionaryRef getArrayItemAsRef(CFArrayRef array, CFIndex idx)
84	{
85	CFTypeRef temp = CFArrayGetValueAtIndex(array, idx);
86
87	if(temp && CFGetTypeID(temp) == CFDictionaryGetTypeID())
88	return (CFDictionaryRef)temp;
89	else
90	return 0;
91	}
92
93	//------------------------------------------------------------------------------------------------------//
94	int getInt32(CFNumberRef ref)
95	{
96	int r = 0;
97	if (r)
98	CFNumberGetValue(ref, kCFNumberIntType, &r);
99	return r;
100	}
101
102	//--------------------------------------------------------------------------------//
103	MacHIDManager::MacHIDManager()
104	{
105	}
106
107	//--------------------------------------------------------------------------------//
108	MacHIDManager::~MacHIDManager()
109	{
110	}
111
112	//------------------------------------------------------------------------------------------------------//
113	void MacHIDManager::initialize()
114	{
115	//Make the search more specific by adding usage flags
116	int usage = kHIDUsage_GD_Joystick;
117	int page = kHIDPage_GenericDesktop;
118
119	io_iterator_t iterator = lookUpDevices(usage, page);
120
121	if(iterator)
122	iterateAndOpenDevices(iterator);
123
124	//Doesn't support multiple usage flags, iterate twice
125	usage = kHIDUsage_GD_GamePad;
126	iterator = lookUpDevices(usage, page);
127
128	if(iterator)
129	iterateAndOpenDevices(iterator);
130	}
131
132	//------------------------------------------------------------------------------------------------------//
133	io_iterator_t MacHIDManager::lookUpDevices(int usage, int page)
134	{
135	CFMutableDictionaryRef deviceLookupMap = IOServiceMatching(kIOHIDDeviceKey);
136	if(!deviceLookupMap)
137	OIS_EXCEPT(E_General, "Could not setup HID device search parameters");
138
139	CFNumberRef usageRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &usage);
140	CFNumberRef pageRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &page);
141
142	CFDictionarySetValue(deviceLookupMap, CFSTR(kIOHIDPrimaryUsageKey), usageRef);
143	CFDictionarySetValue(deviceLookupMap, CFSTR(kIOHIDPrimaryUsagePageKey), pageRef);
144
145	//IOServiceGetMatchingServices consumes the map so we do not have to release it ourself
146	io_iterator_t iterator = 0;
147	IOReturn result = IOServiceGetMatchingServices(kIOMasterPortDefault, deviceLookupMap, &iterator);
148
149	CFRelease(usageRef);
150	CFRelease(pageRef);
151
152	if(result == kIOReturnSuccess)
153	{
154	return iterator;
155	}
156	//TODO: Throw exception instead?
157	else
158	{
159	return 0;
160	}
161	}
162
163	//------------------------------------------------------------------------------------------------------//
164	void MacHIDManager::iterateAndOpenDevices(io_iterator_t iterator)
165	{
166	io_object_t hidDevice = 0;
167	while ((hidDevice = IOIteratorNext(iterator)) !=0)
168	{
169	//Get the current registry items property map
170	CFMutableDictionaryRef propertyMap = 0;
171	if (IORegistryEntryCreateCFProperties(hidDevice, &propertyMap, kCFAllocatorDefault, kNilOptions) == KERN_SUCCESS && propertyMap)
172	{
173	//Go through device to find all needed info
174	HidInfo* hid = enumerateDeviceProperties(propertyMap);
175
176	if(hid)
177	{
178	//todo - we need to hold an open interface so we do not have to enumerate again later
179	//should be able to watch for device removals also
180
181	// Testing opening / closing interface
182	IOCFPlugInInterface **pluginInterface = NULL;
183	SInt32 score = 0;
184	if (IOCreatePlugInInterfaceForService(hidDevice, kIOHIDDeviceUserClientTypeID, kIOCFPlugInInterfaceID, &pluginInterface, &score) == kIOReturnSuccess)
185	{
186	IOHIDDeviceInterface **interface;
187
188	HRESULT pluginResult = (pluginInterface)->QueryInterface(pluginInterface, CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (void *)&(interface));
189
190	if(pluginResult != S_OK)
191	OIS_EXCEPT(E_General, "Not able to create plugin interface");
192
193	IODestroyPlugInInterface(pluginInterface);
194
195	hid->interface = interface;
196
197	//Check for duplicates - some devices have multiple usage
198	if(std::find(mDeviceList.begin(), mDeviceList.end(), hid) == mDeviceList.end())
199	mDeviceList.push_back(hid);
200	}
201	}
202	}
203	}
204
205	IOObjectRelease(iterator);
206	}
207
208	//------------------------------------------------------------------------------------------------------//
209	HidInfo* MacHIDManager::enumerateDeviceProperties(CFMutableDictionaryRef propertyMap)
210	{
211	HidInfo* info = new HidInfo();
212
213	info->type = OISJoyStick;
214
215	CFStringRef str = getDictionaryItemAsRef<CFStringRef>(propertyMap, kIOHIDManufacturerKey);
216	if (str)
217	info->vendor = CFStringGetCStringPtr(str, CFStringGetSystemEncoding());
218
219	str = getDictionaryItemAsRef<CFStringRef>(propertyMap, kIOHIDProductKey);
220	if (str)
221	info->productKey = CFStringGetCStringPtr(str, CFStringGetSystemEncoding());
222
223	info->combinedKey = info->vendor + " " + info->productKey;
224
225	//Go through all items in this device (i.e. buttons, hats, sticks, axes, etc)
226	CFArrayRef array = getDictionaryItemAsRef<CFArrayRef>(propertyMap, kIOHIDElementKey);
227	if (array)
228	for (int i = 0; i < CFArrayGetCount(array); i++)
229	parseDeviceProperties(getArrayItemAsRef<CFDictionaryRef>(array, i));
230
231	return info;
232	}
233
234	//------------------------------------------------------------------------------------------------------//
235	void MacHIDManager::parseDeviceProperties(CFDictionaryRef properties)
236	{
237	if(!properties)
238	return;
239
240	CFArrayRef array = getDictionaryItemAsRef<CFArrayRef>(properties, kIOHIDElementKey);
241	if (array)
242	{
243	for (int i = 0; i < CFArrayGetCount(array); i++)
244	{
245	CFDictionaryRef element = getArrayItemAsRef<CFDictionaryRef>(array, i);
246	if (element)
247	{
248	if(getInt32(getDictionaryItemAsRef<CFNumberRef>(element, kIOHIDElementTypeKey)) == kIOHIDElementTypeCollection)
249	{ //Check if we need to recurse further intoi another collection
250	if(getInt32(getDictionaryItemAsRef<CFNumberRef>(element, kIOHIDElementUsagePageKey)) == kHIDPage_GenericDesktop)
251	parseDeviceProperties(element);
252	}
253	else
254	{
255	switch(getInt32(getDictionaryItemAsRef<CFNumberRef>(element, kIOHIDElementUsagePageKey)))
256	{
257	case kHIDPage_GenericDesktop:
258	switch(getInt32(getDictionaryItemAsRef<CFNumberRef>(element, kIOHIDElementUsageKey)))
259	{
260	case kHIDUsage_GD_Pointer:
261	cout << "\tkHIDUsage_GD_Pointer\n";
262	parseDevicePropertiesGroup(element);
263	break;
264	case kHIDUsage_GD_X:
265	case kHIDUsage_GD_Y:
266	case kHIDUsage_GD_Z:
267	case kHIDUsage_GD_Rx:
268	case kHIDUsage_GD_Ry:
269	case kHIDUsage_GD_Rz:
270	cout << "\tAxis\n";
271	break;
272	case kHIDUsage_GD_Slider:
273	case kHIDUsage_GD_Dial:
274	case kHIDUsage_GD_Wheel:
275	cout << "\tUnsupported kHIDUsage_GD_Wheel\n";
276	break;
277	case kHIDUsage_GD_Hatswitch:
278	cout << "\tUnsupported - kHIDUsage_GD_Hatswitch\n";
279	break;
280	}
281	break;
282	case kHIDPage_Button:
283	cout << "\tkHIDPage_Button\n";
284	break;
285	}
286	}
287	}
288	}
289	}
290	}
291
292	//------------------------------------------------------------------------------------------------------//
293	void MacHIDManager::parseDevicePropertiesGroup(CFDictionaryRef properties)
294	{
295	if(!properties)
296	return;
297
298	CFArrayRef array = getDictionaryItemAsRef<CFArrayRef>(properties, kIOHIDElementKey);
299	if(array)
300	{
301	for (int i = 0; i < CFArrayGetCount(array); i++)
302	{
303	CFDictionaryRef element = getArrayItemAsRef<CFDictionaryRef>(array, i);
304	if (element)
305	{
306	switch(getInt32(getDictionaryItemAsRef<CFNumberRef>(element, kIOHIDElementUsagePageKey)))
307	{
308	case kHIDPage_GenericDesktop:
309	switch(getInt32(getDictionaryItemAsRef<CFNumberRef>(element, kIOHIDElementUsageKey)))
310	{
311	case kHIDUsage_GD_X:
312	case kHIDUsage_GD_Y:
313	case kHIDUsage_GD_Z:
314	case kHIDUsage_GD_Rx:
315	case kHIDUsage_GD_Ry:
316	case kHIDUsage_GD_Rz:
317	cout << "\t\tAxis\n";
318	break;
319	case kHIDUsage_GD_Slider:
320	case kHIDUsage_GD_Dial:
321	case kHIDUsage_GD_Wheel:
322	cout << "\tUnsupported - kHIDUsage_GD_Wheel\n";
323	break;
324	case kHIDUsage_GD_Hatswitch:
325	cout << "\tUnsupported - kHIDUsage_GD_Hatswitch\n";
326	break;
327	}
328	break;
329	case kHIDPage_Button:
330	break;
331	}
332	}
333	}
334	}
335	}
336
337	//--------------------------------------------------------------------------------//
338	DeviceList MacHIDManager::freeDeviceList()
339	{
340	DeviceList ret;
341	HidInfoList::iterator it = mDeviceList.begin(), end = mDeviceList.end();
342	for(; it != end; ++it)
343	{
344	if((*it)->inUse == false)
345	ret.insert(std::make_pair((it)->type, (it)->combinedKey));
346	}
347
348	return ret;
349	}
350
351	//--------------------------------------------------------------------------------//
352	int MacHIDManager::totalDevices(Type iType)
353	{
354	int ret = 0;
355	HidInfoList::iterator it = mDeviceList.begin(), end = mDeviceList.end();
356
357	for(; it != end; ++it)
358	{
359	if((*it)->type == iType)
360	ret++;
361	}
362
363	return ret;
364	}
365
366	//--------------------------------------------------------------------------------//
367	int MacHIDManager::freeDevices(Type iType)
368	{
369	int ret = 0;
370	HidInfoList::iterator it = mDeviceList.begin(), end = mDeviceList.end();
371
372	for(; it != end; ++it)
373	{
374	if((it)->inUse == false && (it)->type == iType)
375	ret++;
376	}
377
378	return ret;
379	}
380
381	//--------------------------------------------------------------------------------//
382	bool MacHIDManager::vendorExist(Type iType, const std::string & vendor)
383	{
384	HidInfoList::iterator it = mDeviceList.begin(), end = mDeviceList.end();
385
386	for(; it != end; ++it)
387	{
388	if((it)->type == iType && (it)->combinedKey == vendor)
389	return true;
390	}
391
392	return false;
393	}
394
395	//--------------------------------------------------------------------------------//
396	Object* MacHIDManager::createObject(InputManager* creator, Type iType, bool bufferMode,
397	const std::string & vendor)
398	{
399	Object *obj = 0;
400
401	HidInfoList::iterator it = mDeviceList.begin(), end = mDeviceList.end();
402	for(; it != end; ++it)
403	{
404	if((it)->inUse == false && (it)->type == iType && (vendor == "" \|\| (*it)->combinedKey == vendor))
405	{
406	switch(iType)
407	{
408	case OISJoyStick:
409	int totalDevs = totalDevices(iType);
410	int freeDevs = freeDevices(iType);
411	int devID = totalDevs - freeDevs;
412
413	obj = new MacJoyStick((it)->combinedKey, bufferMode, it, creator, devID);
414	(*it)->inUse = true;
415	return obj;
416	case OISTablet:
417	//Create MacTablet
418	break;
419	default:
420	break;
421	}
422	}
423	}
424
425	return obj;
426	}
427
428	//--------------------------------------------------------------------------------//
429	void MacHIDManager::destroyObject(Object* obj)
430	{
431	delete obj;
432	}

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