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      1 /*
      2  The zlib/libpng License
      3 
      4  Copyright (c) 2005-2007 Phillip Castaneda (pjcast -- www.wreckedgames.com)
      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 #ifndef OIS_MacHIDManager_Header
     24 #define OIS_MacHIDManager_Header
     25 
     26 #include "OISPrereqs.h"
     27 #include "mac/MacPrereqs.h"
     28 #include "OISFactoryCreator.h"
     29 
     30 #import <CoreFoundation/CFString.h>
     31 #import <IOKit/IOKitLib.h>
     32 #import <IOKit/IOCFPlugIn.h>
     33 #import <IOKit/hid/IOHIDLib.h>
     34 #import <IOKit/hid/IOHIDKeys.h>
     35 #import <Kernel/IOKit/hidsystem/IOHIDUsageTables.h>
     36 
     37 namespace OIS
     38 {
     39 	//Information needed to create Mac HID Devices
     40 	class HidInfo
     41 	{
     42 	public:
     43 		HidInfo() : type(OISUnknown), numButtons(0), numHats(0), numAxes(0), inUse(false), interface(0)
     44 		{
     45 		}
     46 
     47 		//Useful tracking information
     48 		Type type;
     49 		std::string vendor;
     50 		std::string productKey;
     51 		std::string combinedKey;
     52 
     53 		//Retain some count information for recreating devices without having to reparse
     54 		int numButtons;
     55 		int numHats;
     56 		int numAxes;
     57 		bool inUse;
     58 
     59 		//Used for opening a read/write/tracking interface to device
     60 		IOHIDDeviceInterface **interface;
     61 	};
     62 
     63 	typedef std::vector<HidInfo*> HidInfoList;
     64 
     65 	class MacHIDManager : public FactoryCreator
     66 	{
     67 	public:
     68 		MacHIDManager();
     69 		~MacHIDManager();
     70 
     71 		void initialize();
     72 
     73 		void iterateAndOpenDevices(io_iterator_t iterator);
     74 		io_iterator_t lookUpDevices(int usage, int page);
     75 
     76 		//FactoryCreator Overrides
     77 		/** @copydoc FactoryCreator::deviceList */
     78 		DeviceList freeDeviceList();
     79 
     80 		/** @copydoc FactoryCreator::totalDevices */
     81 		int totalDevices(Type iType);
     82 
     83 		/** @copydoc FactoryCreator::freeDevices */
     84 		int freeDevices(Type iType);
     85 
     86 		/** @copydoc FactoryCreator::vendorExist */
     87 		bool vendorExist(Type iType, const std::string & vendor);
     88 
     89 		/** @copydoc FactoryCreator::createObject */
     90 		Object* createObject(InputManager* creator, Type iType, bool bufferMode, const std::string & vendor = "");
     91 
     92 		/** @copydoc FactoryCreator::destroyObject */
     93 		void destroyObject(Object* obj);
     94 
     95 	private:
     96 		HidInfo* enumerateDeviceProperties(CFMutableDictionaryRef propertyMap);
     97 		void parseDeviceProperties(CFDictionaryRef properties);
     98 		void parseDevicePropertiesGroup(CFDictionaryRef properties);
     99 
    100 		HidInfoList mDeviceList;
    101 	};
    102 }
    103 #endif
    104