From 660e6434ad20776aef06d4d3627f4a8fb06a99ef Mon Sep 17 00:00:00 2001
From: noorus <noorus@users.noreply.github.com>
Date: Tue, 4 Feb 2014 15:27:55 +0200
Subject: [PATCH] Added some USB vendor identification

---
 include/nilHID.h  | 12 ++++++++++++
 src/Device.cpp    |  3 +++
 src/HIDRecord.cpp | 10 ++++++++++
 3 files changed, 25 insertions(+)

diff --git a/include/nilHID.h b/include/nilHID.h
index 433241d..13394a8 100644
--- a/include/nilHID.h
+++ b/include/nilHID.h
@@ -10,6 +10,14 @@ extern "C" {
 
 namespace nil {
 
+  //! Known USB vendor IDs that might be important.
+  enum USBKnownVendor: uint16_t {
+    USBVendor_Microsoft = 0x045E,
+    USBVendor_Logitech  = 0x046D
+  };
+
+  //! \class HIDRecord
+  //! A Human Interface Device instance currently present in the system.
   class HIDRecord {
   protected:
     String mPath;
@@ -25,6 +33,8 @@ namespace nil {
   public:
     HIDRecord( const String& path, HANDLE handle );
     bool isXInput() const;
+    bool isMicrosoft() const;
+    bool isLogitech() const;
     const String& getPath() const;
     const String& getName() const;
     const String& getManufacturer() const;
@@ -37,6 +47,8 @@ namespace nil {
 
   typedef list<HIDRecord*> HIDRecordList;
 
+  //! \class HIDManager
+  //! Manages a list of connected Human Interface Devices.
   class HIDManager: public PnPListener {
   protected:
     HIDRecordList mRecords;
diff --git a/src/Device.cpp b/src/Device.cpp
index 7181017..30c226c 100644
--- a/src/Device.cpp
+++ b/src/Device.cpp
@@ -12,6 +12,9 @@ namespace nil {
 
   void Device::create()
   {
+    if ( mInstance )
+      return;
+
     if ( getHandler() == Handler_XInput )
     {
       XInputDevice* xDevice = dynamic_cast<XInputDevice*>( this );
diff --git a/src/HIDRecord.cpp b/src/HIDRecord.cpp
index 8e2f489..88fbea6 100644
--- a/src/HIDRecord.cpp
+++ b/src/HIDRecord.cpp
@@ -47,6 +47,16 @@ namespace nil {
     return mIsXInput;
   }
 
+  bool HIDRecord::isMicrosoft() const
+  {
+    return ( mVendorID == USBVendor_Microsoft );
+  }
+
+  bool HIDRecord::isLogitech() const
+  {
+    return ( mVendorID == USBVendor_Logitech );
+  }
+
   uint32_t HIDRecord::getIdentifier() const
   {
     return mIdentifier;