1 files changed, 1477 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/hidapi/android/hid.cpp b/contrib/SDL-3.2.8/src/hidapi/android/hid.cpp
new file mode 100644
index 0000000..887390e
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/hidapi/android/hid.cpp
@@ -0,0 +1,1477 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 2022 Valve Corporation
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+// Purpose: A wrapper implementing "HID" API for Android
+//
+//          This layer glues the hidapi API to Android's USB and BLE stack.
+
+#include "hid.h"
+
+// Common to stub version and non-stub version of functions
+#include <jni.h>
+#include <android/log.h>
+
+#define TAG "hidapi"
+
+// Have error log always available
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, TAG, __VA_ARGS__)
+
+#ifdef DEBUG
+#define LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, TAG, __VA_ARGS__)
+#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, TAG, __VA_ARGS__)
+#else
+#define LOGV(...)
+#define LOGD(...)
+#endif
+
+#define SDL_JAVA_PREFIX                                 org_libsdl_app
+#define CONCAT1(prefix, class, function)                CONCAT2(prefix, class, function)
+#define CONCAT2(prefix, class, function)                Java_ ## prefix ## _ ## class ## _ ## function
+#define HID_DEVICE_MANAGER_JAVA_INTERFACE(function)     CONCAT1(SDL_JAVA_PREFIX, HIDDeviceManager, function)
+
+
+#ifndef SDL_HIDAPI_DISABLED
+
+extern "C" {
+#include "../SDL_hidapi_c.h"
+}
+#include "../../core/android/SDL_android.h"
+
+#define hid_close                    PLATFORM_hid_close
+#define hid_device                   PLATFORM_hid_device
+#define hid_device_                  PLATFORM_hid_device_
+#define hid_enumerate                PLATFORM_hid_enumerate
+#define hid_error                    PLATFORM_hid_error
+#define hid_exit                     PLATFORM_hid_exit
+#define hid_free_enumeration         PLATFORM_hid_free_enumeration
+#define hid_get_device_info          PLATFORM_hid_get_device_info
+#define hid_get_feature_report       PLATFORM_hid_get_feature_report
+#define hid_get_indexed_string       PLATFORM_hid_get_indexed_string
+#define hid_get_input_report         PLATFORM_hid_get_input_report
+#define hid_get_manufacturer_string  PLATFORM_hid_get_manufacturer_string
+#define hid_get_product_string       PLATFORM_hid_get_product_string
+#define hid_get_report_descriptor    PLATFORM_hid_get_report_descriptor
+#define hid_get_serial_number_string PLATFORM_hid_get_serial_number_string
+#define hid_init                     PLATFORM_hid_init
+#define hid_open_path                PLATFORM_hid_open_path
+#define hid_open                     PLATFORM_hid_open
+#define hid_read                     PLATFORM_hid_read
+#define hid_read_timeout             PLATFORM_hid_read_timeout
+#define hid_send_feature_report      PLATFORM_hid_send_feature_report
+#define hid_set_nonblocking          PLATFORM_hid_set_nonblocking
+#define hid_version                  PLATFORM_hid_version
+#define hid_version_str              PLATFORM_hid_version_str
+#define hid_write                    PLATFORM_hid_write
+
+#include <pthread.h>
+#include <errno.h>      // For ETIMEDOUT and ECONNRESET
+#include <stdlib.h> // For malloc() and free()
+
+#include "../hidapi/hidapi.h"
+
+typedef uint32_t uint32;
+typedef uint64_t uint64;
+
+
+struct hid_device_
+{
+        int m_nId;
+        int m_nDeviceRefCount;
+};
+
+template<class T>
+class hid_device_ref
+{
+public:
+        hid_device_ref( T *pObject = nullptr ) : m_pObject( nullptr )
+        {
+                SetObject( pObject );
+        }
+
+        hid_device_ref( const hid_device_ref &rhs ) : m_pObject( nullptr )
+        {
+                SetObject( rhs.GetObject() );
+        }
+
+        ~hid_device_ref()
+        {
+                SetObject( nullptr );
+        }
+
+        void SetObject( T *pObject )
+        {
+                if ( m_pObject && m_pObject->DecrementRefCount() == 0 )
+                {
+                        delete m_pObject;
+                }
+
+                m_pObject = pObject;
+
+                if ( m_pObject )
+                {
+                        m_pObject->IncrementRefCount();
+                }
+        }
+
+        hid_device_ref &operator =( T *pObject )
+        {
+                SetObject( pObject );
+                return *this;
+        }
+
+        hid_device_ref &operator =( const hid_device_ref &rhs )
+        {
+                SetObject( rhs.GetObject() );
+                return *this;
+        }
+
+        T *GetObject() const
+        {
+                return m_pObject;
+        }
+
+        T* operator->() const
+        {
+                return m_pObject;
+        }
+
+        operator bool() const
+        {
+                return ( m_pObject != nullptr );
+        }
+
+private:
+        T *m_pObject;
+};
+
+class hid_mutex_guard
+{
+public:
+        hid_mutex_guard( pthread_mutex_t *pMutex ) : m_pMutex( pMutex )
+        {
+                pthread_mutex_lock( m_pMutex );
+        }
+        ~hid_mutex_guard()
+        {
+                pthread_mutex_unlock( m_pMutex );
+        }
+
+private:
+        pthread_mutex_t *m_pMutex;
+};
+
+class hid_buffer
+{
+public:
+        hid_buffer() : m_pData( nullptr ), m_nSize( 0 ), m_nAllocated( 0 )
+        {
+        }
+
+        hid_buffer( const uint8_t *pData, size_t nSize ) : m_pData( nullptr ), m_nSize( 0 ), m_nAllocated( 0 )
+        {
+                assign( pData, nSize );
+        }
+
+        ~hid_buffer()
+        {
+                delete[] m_pData;
+        }
+
+        void assign( const uint8_t *pData, size_t nSize )
+        {
+                if ( nSize > m_nAllocated )
+                {
+                        delete[] m_pData;
+                        m_pData = new uint8_t[ nSize ];
+                        m_nAllocated = nSize;
+                }
+
+                m_nSize = nSize;
+                SDL_memcpy( m_pData, pData, nSize );
+        }
+
+        void clear()
+        {
+                m_nSize = 0;
+        }
+
+        size_t size() const
+        {
+                return m_nSize;
+        }
+
+        const uint8_t *data() const
+        {
+                return m_pData;
+        }
+
+private:
+        uint8_t *m_pData;
+        size_t m_nSize;
+        size_t m_nAllocated;
+};
+
+class hid_buffer_pool
+{
+public:
+        hid_buffer_pool() : m_nSize( 0 ), m_pHead( nullptr ), m_pTail( nullptr ), m_pFree( nullptr )
+        {
+        }
+
+        ~hid_buffer_pool()
+        {
+                clear();
+
+                while ( m_pFree )
+                {
+                        hid_buffer_entry *pEntry = m_pFree;
+                        m_pFree = m_pFree->m_pNext;
+                        delete pEntry;
+                }
+        }
+
+        size_t size() const { return m_nSize; }
+
+        const hid_buffer &front() const { return m_pHead->m_buffer; }
+
+        void pop_front()
+        {
+                hid_buffer_entry *pEntry = m_pHead;
+                if ( pEntry )
+                {
+                        m_pHead = pEntry->m_pNext;
+                        if ( !m_pHead )
+                        {
+                                m_pTail = nullptr;
+                        }
+                        pEntry->m_pNext = m_pFree;
+                        m_pFree = pEntry;
+                        --m_nSize;
+                }
+        }
+
+        void emplace_back( const uint8_t *pData, size_t nSize )
+        {
+                hid_buffer_entry *pEntry;
+
+                if ( m_pFree )
+                {
+                        pEntry = m_pFree;
+                        m_pFree = m_pFree->m_pNext;
+                }
+                else
+                {
+                        pEntry = new hid_buffer_entry;
+                }
+                pEntry->m_pNext = nullptr;
+
+                if ( m_pTail )
+                {
+                        m_pTail->m_pNext = pEntry;
+                }
+                else
+                {
+                        m_pHead = pEntry;
+                }
+                m_pTail = pEntry;
+
+                pEntry->m_buffer.assign( pData, nSize );
+                ++m_nSize;
+        }
+
+        void clear()
+        {
+                while ( size() > 0 )
+                {
+                        pop_front();
+                }
+        }
+
+private:
+        struct hid_buffer_entry
+        {
+                hid_buffer m_buffer;
+                hid_buffer_entry *m_pNext;
+        };
+
+        size_t m_nSize;
+        hid_buffer_entry *m_pHead;
+        hid_buffer_entry *m_pTail;
+        hid_buffer_entry *m_pFree;
+};
+
+static jbyteArray NewByteArray( JNIEnv* env, const uint8_t *pData, size_t nDataLen )
+{
+        jbyteArray array = env->NewByteArray( (jsize)nDataLen );
+        jbyte *pBuf = env->GetByteArrayElements( array, NULL );
+        SDL_memcpy( pBuf, pData, nDataLen );
+        env->ReleaseByteArrayElements( array, pBuf, 0 );
+
+        return array;
+}
+
+static char *CreateStringFromJString( JNIEnv *env, const jstring &sString )
+{
+        size_t nLength = env->GetStringUTFLength( sString );
+        const char *pjChars = env->GetStringUTFChars( sString, NULL );
+        char *psString = (char*)malloc( nLength + 1 );
+        SDL_memcpy( psString, pjChars, nLength );
+        psString[ nLength ] = '\0';
+        env->ReleaseStringUTFChars( sString, pjChars );
+        return psString;
+}
+
+static wchar_t *CreateWStringFromJString( JNIEnv *env, const jstring &sString )
+{
+        size_t nLength = env->GetStringLength( sString );
+        const jchar *pjChars = env->GetStringChars( sString, NULL );
+        wchar_t *pwString = (wchar_t*)malloc( ( nLength + 1 ) * sizeof( wchar_t ) );
+        wchar_t *pwChars = pwString;
+        for ( size_t iIndex = 0; iIndex < nLength; ++iIndex )
+        {
+                pwChars[ iIndex ] = pjChars[ iIndex ];
+        }
+        pwString[ nLength ] = '\0';
+        env->ReleaseStringChars( sString, pjChars );
+        return pwString;
+}
+
+static wchar_t *CreateWStringFromWString( const wchar_t *pwSrc )
+{
+        size_t nLength = SDL_wcslen( pwSrc );
+        wchar_t *pwString = (wchar_t*)malloc( ( nLength + 1 ) * sizeof( wchar_t ) );
+        SDL_memcpy( pwString, pwSrc, nLength * sizeof( wchar_t ) );
+        pwString[ nLength ] = '\0';
+        return pwString;
+}
+
+static hid_device_info *CopyHIDDeviceInfo( const hid_device_info *pInfo )
+{
+        hid_device_info *pCopy = new hid_device_info;
+        *pCopy = *pInfo;
+        pCopy->path = SDL_strdup( pInfo->path );
+        pCopy->product_string = CreateWStringFromWString( pInfo->product_string );
+        pCopy->manufacturer_string = CreateWStringFromWString( pInfo->manufacturer_string );
+        pCopy->serial_number = CreateWStringFromWString( pInfo->serial_number );
+        return pCopy;
+}
+
+static void FreeHIDDeviceInfo( hid_device_info *pInfo )
+{
+        free( pInfo->path );
+        free( pInfo->serial_number );
+        free( pInfo->manufacturer_string );
+        free( pInfo->product_string );
+        delete pInfo;
+}
+
+static jclass  g_HIDDeviceManagerCallbackClass;
+static jobject g_HIDDeviceManagerCallbackHandler;
+static jmethodID g_midHIDDeviceManagerInitialize;
+static jmethodID g_midHIDDeviceManagerOpen;
+static jmethodID g_midHIDDeviceManagerWriteReport;
+static jmethodID g_midHIDDeviceManagerReadReport;
+static jmethodID g_midHIDDeviceManagerClose;
+static bool g_initialized = false;
+
+static uint64_t get_timespec_ms( const struct timespec &ts )
+{
+        return (uint64_t)ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+}
+
+static void ExceptionCheck( JNIEnv *env, const char *pszClassName, const char *pszMethodName )
+{
+        if ( env->ExceptionCheck() )
+        {
+                // Get our exception
+                jthrowable jExcept = env->ExceptionOccurred();
+
+                // Clear the exception so we can call JNI again
+                env->ExceptionClear();
+
+                // Get our exception message
+                jclass jExceptClass = env->GetObjectClass( jExcept );
+                jmethodID jMessageMethod = env->GetMethodID( jExceptClass, "getMessage", "()Ljava/lang/String;" );
+                jstring jMessage = (jstring)( env->CallObjectMethod( jExcept, jMessageMethod ) );
+                const char *pszMessage = env->GetStringUTFChars( jMessage, NULL );
+
+                // ...and log it.
+                LOGE( "%s%s%s threw an exception: %s",
+                        pszClassName ? pszClassName : "",
+                        pszClassName ? "::" : "",
+                        pszMethodName, pszMessage );
+
+                // Cleanup
+                env->ReleaseStringUTFChars( jMessage, pszMessage );
+                env->DeleteLocalRef( jMessage );
+                env->DeleteLocalRef( jExceptClass );
+                env->DeleteLocalRef( jExcept );
+        }
+}
+
+class CHIDDevice
+{
+public:
+        CHIDDevice( int nDeviceID, hid_device_info *pInfo )
+        {
+                m_nId = nDeviceID;
+                m_pInfo = pInfo;
+
+                // The Bluetooth Steam Controller needs special handling
+                const int VALVE_USB_VID = 0x28DE;
+                const int D0G_BLE2_PID = 0x1106;
+                if ( pInfo->vendor_id == VALVE_USB_VID && pInfo->product_id == D0G_BLE2_PID )
+                {
+                        m_bIsBLESteamController = true;
+                }
+        }
+
+        ~CHIDDevice()
+        {
+                FreeHIDDeviceInfo( m_pInfo );
+
+                // Note that we don't delete m_pDevice, as the app may still have a reference to it
+        }
+
+        int IncrementRefCount()
+        {
+                int nValue;
+                pthread_mutex_lock( &m_refCountLock );
+                nValue = ++m_nRefCount;
+                pthread_mutex_unlock( &m_refCountLock );
+                return nValue;
+        }
+
+        int DecrementRefCount()
+        {
+                int nValue;
+                pthread_mutex_lock( &m_refCountLock );
+                nValue = --m_nRefCount;
+                pthread_mutex_unlock( &m_refCountLock );
+                return nValue;
+        }
+
+        int GetId()
+        {
+                return m_nId;
+        }
+
+        hid_device_info *GetDeviceInfo()
+        {
+                return m_pInfo;
+        }
+
+        hid_device *GetDevice()
+        {
+                return m_pDevice;
+        }
+
+        void ExceptionCheck( JNIEnv *env, const char *pszMethodName )
+        {
+                ::ExceptionCheck( env, "CHIDDevice", pszMethodName );
+        }
+
+        bool BOpen()
+        {
+                JNIEnv *env = (JNIEnv *)SDL_GetAndroidJNIEnv();
+
+                if ( !g_HIDDeviceManagerCallbackHandler )
+                {
+                        LOGV( "Device open without callback handler" );
+                        return false;
+                }
+
+                if ( m_bIsWaitingForOpen )
+                {
+                        SDL_SetError( "Waiting for permission" );
+                        return false;
+                }
+
+                if ( !m_bOpenResult )
+                {
+                        m_bOpenResult = env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerOpen, m_nId );
+                        ExceptionCheck( env, "BOpen" );
+
+                        if ( m_bIsWaitingForOpen )
+                        {
+                                LOGV( "Device open waiting for permission" );
+                                SDL_SetError( "Waiting for permission" );
+                                m_bWasOpenPending = true;
+                                return false;
+                        }
+
+                        if ( !m_bOpenResult )
+                        {
+                                LOGV( "Device open failed" );
+                                SDL_SetError( "Device open failed" );
+                                return false;
+                        }
+                }
+
+                m_pDevice = new hid_device;
+                m_pDevice->m_nId = m_nId;
+                m_pDevice->m_nDeviceRefCount = 1;
+                LOGD("Creating device %d (%p), refCount = 1\n", m_pDevice->m_nId, m_pDevice);
+
+                return true;
+        }
+
+        void SetOpenPending()
+        {
+                m_bIsWaitingForOpen = true;
+        }
+
+        bool BOpenPending() const
+        {
+                return m_bIsWaitingForOpen;
+        }
+
+        void SetWasOpenPending( bool bState )
+        {
+                m_bWasOpenPending = bState;
+        }
+
+        bool BWasOpenPending() const
+        {
+                return m_bWasOpenPending;
+        }
+
+        void SetOpenResult( bool bResult )
+        {
+                if ( m_bIsWaitingForOpen )
+                {
+                        m_bOpenResult = bResult;
+                        m_bIsWaitingForOpen = false;
+
+                        if ( m_bOpenResult )
+                        {
+                                LOGV( "Device open succeeded" );
+                        }
+                        else
+                        {
+                                LOGV( "Device open failed" );
+                        }
+                }
+        }
+
+        bool BOpenResult() const
+        {
+                return m_bOpenResult;
+        }
+
+        void ProcessInput( const uint8_t *pBuf, size_t nBufSize )
+        {
+                hid_mutex_guard l( &m_dataLock );
+
+                size_t MAX_REPORT_QUEUE_SIZE = 16;
+                if ( m_vecData.size() >= MAX_REPORT_QUEUE_SIZE )
+                {
+                        m_vecData.pop_front();
+                }
+                m_vecData.emplace_back( pBuf, nBufSize );
+        }
+
+        int GetInput( unsigned char *data, size_t length )
+        {
+                hid_mutex_guard l( &m_dataLock );
+
+                if ( m_vecData.size() == 0 )
+                {
+//                      LOGV( "hid_read_timeout no data available" );
+                        return 0;
+                }
+
+                const hid_buffer &buffer = m_vecData.front();
+                size_t nDataLen = buffer.size() > length ? length : buffer.size();
+                if ( m_bIsBLESteamController )
+                {
+                        data[0] = 0x03;
+                        SDL_memcpy( data + 1, buffer.data(), nDataLen );
+                        ++nDataLen;
+                }
+                else
+                {
+                        SDL_memcpy( data, buffer.data(), nDataLen );
+                }
+                m_vecData.pop_front();
+
+//              LOGV("Read %u bytes", nDataLen);
+//              LOGV("%02x %02x %02x %02x %02x %02x %02x %02x ....",
+//                       data[0], data[1], data[2], data[3],
+//                       data[4], data[5], data[6], data[7]);
+
+                return (int)nDataLen;
+        }
+
+        int WriteReport( const unsigned char *pData, size_t nDataLen, bool bFeature )
+        {
+                JNIEnv *env = (JNIEnv *)SDL_GetAndroidJNIEnv();
+
+                if ( !g_HIDDeviceManagerCallbackHandler )
+                {
+                        LOGV( "WriteReport without callback handler" );
+                        return -1;
+                }
+
+                jbyteArray pBuf = NewByteArray( env, pData, nDataLen );
+                int nRet = env->CallIntMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerWriteReport, m_nId, pBuf, bFeature );
+                ExceptionCheck( env, "WriteReport" );
+                env->DeleteLocalRef( pBuf );
+                return nRet;
+        }
+
+        void ProcessReportResponse( const uint8_t *pBuf, size_t nBufSize )
+        {
+                hid_mutex_guard cvl( &m_cvLock );
+                if ( m_bIsWaitingForReportResponse )
+                {
+                        m_reportResponse.assign( pBuf, nBufSize );
+
+                        m_bIsWaitingForReportResponse = false;
+                        m_nReportResponseError = 0;
+                        pthread_cond_signal( &m_cv );
+                }
+        }
+
+        int ReadReport( unsigned char *pData, size_t nDataLen, bool bFeature )
+        {
+                JNIEnv *env = (JNIEnv *)SDL_GetAndroidJNIEnv();
+
+                if ( !g_HIDDeviceManagerCallbackHandler )
+                {
+                        LOGV( "ReadReport without callback handler" );
+                        return -1;
+                }
+
+                {
+                        hid_mutex_guard cvl( &m_cvLock );
+                        if ( m_bIsWaitingForReportResponse )
+                        {
+                                LOGV( "Get feature report already ongoing... bail" );
+                                return -1; // Read already ongoing, we currently do not serialize, TODO
+                        }
+                        m_bIsWaitingForReportResponse = true;
+                }
+
+                jbyteArray pBuf = NewByteArray( env, pData, nDataLen );
+                int nRet = env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerReadReport, m_nId, pBuf, bFeature ) ? 0 : -1;
+                ExceptionCheck( env, "ReadReport" );
+                env->DeleteLocalRef( pBuf );
+                if ( nRet < 0 )
+                {
+                        LOGV( "ReadReport failed" );
+                        m_bIsWaitingForReportResponse = false;
+                        return -1;
+                }
+
+                {
+                        hid_mutex_guard cvl( &m_cvLock );
+                        if ( m_bIsWaitingForReportResponse )
+                        {
+                                LOGV("=== Going to sleep" );
+                                // Wait in CV until we are no longer waiting for a feature report.
+                                const int FEATURE_REPORT_TIMEOUT_SECONDS = 2;
+                                struct timespec ts, endtime;
+                                clock_gettime( CLOCK_REALTIME, &ts );
+                                endtime = ts;
+                                endtime.tv_sec += FEATURE_REPORT_TIMEOUT_SECONDS;
+                                do
+                                {
+                                        if ( pthread_cond_timedwait( &m_cv, &m_cvLock, &endtime ) != 0 )
+                                        {
+                                                break;
+                                        }
+                                }
+                                while ( m_bIsWaitingForReportResponse && get_timespec_ms( ts ) < get_timespec_ms( endtime ) );
+
+                                // We are back
+                                if ( m_bIsWaitingForReportResponse )
+                                {
+                                        m_nReportResponseError = -ETIMEDOUT;
+                                        m_bIsWaitingForReportResponse = false;
+                                }
+                                LOGV( "=== Got feature report err=%d", m_nReportResponseError );
+                                if ( m_nReportResponseError != 0 )
+                                {
+                                        return m_nReportResponseError;
+                                }
+                        }
+
+                        size_t uBytesToCopy = m_reportResponse.size() > nDataLen ? nDataLen : m_reportResponse.size();
+                        SDL_memcpy( pData, m_reportResponse.data(), uBytesToCopy );
+                        m_reportResponse.clear();
+                        LOGV( "=== Got %zu bytes", uBytesToCopy );
+
+                        return (int)uBytesToCopy;
+                }
+        }
+
+        void Close( bool bDeleteDevice )
+        {
+                JNIEnv *env = (JNIEnv *)SDL_GetAndroidJNIEnv();
+
+                if ( g_HIDDeviceManagerCallbackHandler )
+                {
+                        if ( !m_bIsWaitingForOpen && m_bOpenResult )
+                        {
+                                env->CallVoidMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerClose, m_nId );
+                                ExceptionCheck( env, "Close" );
+                        }
+                }
+
+                hid_mutex_guard dataLock( &m_dataLock );
+                m_vecData.clear();
+
+                // Clean and release pending feature report reads
+                hid_mutex_guard cvLock( &m_cvLock );
+                m_reportResponse.clear();
+                m_bIsWaitingForReportResponse = false;
+                m_nReportResponseError = -ECONNRESET;
+                pthread_cond_broadcast( &m_cv );
+
+                m_bOpenResult = false;
+
+                if ( bDeleteDevice )
+                {
+                        delete m_pDevice;
+                        m_pDevice = nullptr;
+                }
+        }
+
+private:
+        pthread_mutex_t m_refCountLock = PTHREAD_MUTEX_INITIALIZER;
+        int m_nRefCount = 0;
+        int m_nId = 0;
+        hid_device_info *m_pInfo = nullptr;
+        hid_device *m_pDevice = nullptr;
+        bool m_bIsBLESteamController = false;
+
+        pthread_mutex_t m_dataLock = PTHREAD_MUTEX_INITIALIZER; // This lock has to be held to access m_vecData
+        hid_buffer_pool m_vecData;
+
+        // For handling get_feature_report
+        pthread_mutex_t m_cvLock = PTHREAD_MUTEX_INITIALIZER; // This lock has to be held to access any variables below
+        pthread_cond_t m_cv = PTHREAD_COND_INITIALIZER;
+        bool m_bIsWaitingForOpen = false;
+        bool m_bWasOpenPending = false;
+        bool m_bOpenResult = false;
+        bool m_bIsWaitingForReportResponse = false;
+        int m_nReportResponseError = 0;
+        hid_buffer m_reportResponse;
+
+public:
+        hid_device_ref<CHIDDevice> next;
+};
+
+class CHIDDevice;
+static pthread_mutex_t g_DevicesMutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t g_DevicesRefCountMutex = PTHREAD_MUTEX_INITIALIZER;
+static hid_device_ref<CHIDDevice> g_Devices;
+
+static hid_device_ref<CHIDDevice> FindDevice( int nDeviceId )
+{
+        hid_device_ref<CHIDDevice> pDevice;
+
+        hid_mutex_guard l( &g_DevicesMutex );
+        for ( pDevice = g_Devices; pDevice; pDevice = pDevice->next )
+        {
+                if ( pDevice->GetId() == nDeviceId )
+                {
+                        break;
+                }
+        }
+        return pDevice;
+}
+
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceConnected)(JNIEnv *env, jobject thiz, int nDeviceID, jstring sIdentifier, int nVendorId, int nProductId, jstring sSerialNumber, int nReleaseNumber, jstring sManufacturer, jstring sProduct, int nInterface, int nInterfaceClass, int nInterfaceSubclass, int nInterfaceProtocol, bool bBluetooth );
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenPending)(JNIEnv *env, jobject thiz, int nDeviceID);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenResult)(JNIEnv *env, jobject thiz, int nDeviceID, bool bOpened);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceDisconnected)(JNIEnv *env, jobject thiz, int nDeviceID);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceInputReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReportResponse)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value);
+
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz )
+{
+        LOGV( "HIDDeviceRegisterCallback()");
+
+        if ( g_HIDDeviceManagerCallbackHandler != NULL )
+        {
+                env->DeleteGlobalRef( g_HIDDeviceManagerCallbackClass );
+                g_HIDDeviceManagerCallbackClass = NULL;
+                env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler );
+                g_HIDDeviceManagerCallbackHandler = NULL;
+        }
+
+        g_HIDDeviceManagerCallbackHandler = env->NewGlobalRef( thiz );
+        jclass objClass = env->GetObjectClass( thiz );
+        if ( objClass )
+        {
+                g_HIDDeviceManagerCallbackClass = reinterpret_cast< jclass >( env->NewGlobalRef( objClass ) );
+                g_midHIDDeviceManagerInitialize = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "initialize", "(ZZ)Z" );
+                if ( !g_midHIDDeviceManagerInitialize )
+                {
+                        __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing initialize" );
+                }
+                g_midHIDDeviceManagerOpen = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "openDevice", "(I)Z" );
+                if ( !g_midHIDDeviceManagerOpen )
+                {
+                        __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing openDevice" );
+                }
+                g_midHIDDeviceManagerWriteReport = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "writeReport", "(I[BZ)I" );
+                if ( !g_midHIDDeviceManagerWriteReport )
+                {
+                        __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing writeReport" );
+                }
+                g_midHIDDeviceManagerReadReport = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "readReport", "(I[BZ)Z" );
+                if ( !g_midHIDDeviceManagerReadReport )
+                {
+                        __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing getFeatureReport" );
+                }
+                g_midHIDDeviceManagerClose = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "closeDevice", "(I)V" );
+                if ( !g_midHIDDeviceManagerClose )
+                {
+                        __android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing closeDevice" );
+                }
+                env->DeleteLocalRef( objClass );
+        }
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz)
+{
+        LOGV("HIDDeviceReleaseCallback");
+        if ( env->IsSameObject( thiz, g_HIDDeviceManagerCallbackHandler ) )
+        {
+                env->DeleteGlobalRef( g_HIDDeviceManagerCallbackClass );
+                g_HIDDeviceManagerCallbackClass = NULL;
+                env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler );
+                g_HIDDeviceManagerCallbackHandler = NULL;
+                g_initialized = false;
+        }
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceConnected)(JNIEnv *env, jobject thiz, int nDeviceID, jstring sIdentifier, int nVendorId, int nProductId, jstring sSerialNumber, int nReleaseNumber, jstring sManufacturer, jstring sProduct, int nInterface, int nInterfaceClass, int nInterfaceSubclass, int nInterfaceProtocol, bool bBluetooth )
+{
+        LOGV( "HIDDeviceConnected() id=%d VID/PID = %.4x/%.4x, interface %d\n", nDeviceID, nVendorId, nProductId, nInterface );
+
+        hid_device_info *pInfo = new hid_device_info;
+        SDL_memset( pInfo, 0, sizeof( *pInfo ) );
+        pInfo->path = CreateStringFromJString( env, sIdentifier );
+        pInfo->vendor_id = nVendorId;
+        pInfo->product_id = nProductId;
+        pInfo->serial_number = CreateWStringFromJString( env, sSerialNumber );
+        pInfo->release_number = nReleaseNumber;
+        pInfo->manufacturer_string = CreateWStringFromJString( env, sManufacturer );
+        pInfo->product_string = CreateWStringFromJString( env, sProduct );
+        pInfo->interface_number = nInterface;
+        pInfo->interface_class = nInterfaceClass;
+        pInfo->interface_subclass = nInterfaceSubclass;
+        pInfo->interface_protocol = nInterfaceProtocol;
+        if ( bBluetooth )
+        {
+                pInfo->bus_type = HID_API_BUS_BLUETOOTH;
+        }
+        else
+        {
+                pInfo->bus_type = HID_API_BUS_USB;
+        }
+
+        hid_device_ref<CHIDDevice> pDevice( new CHIDDevice( nDeviceID, pInfo ) );
+
+        hid_mutex_guard l( &g_DevicesMutex );
+        hid_device_ref<CHIDDevice> pLast, pCurr;
+        for ( pCurr = g_Devices; pCurr; pLast = pCurr, pCurr = pCurr->next )
+        {
+                continue;
+        }
+        if ( pLast )
+        {
+                pLast->next = pDevice;
+        }
+        else
+        {
+                g_Devices = pDevice;
+        }
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenPending)(JNIEnv *env, jobject thiz, int nDeviceID)
+{
+        LOGV( "HIDDeviceOpenPending() id=%d\n", nDeviceID );
+        hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID );
+        if ( pDevice )
+        {
+                pDevice->SetOpenPending();
+        }
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenResult)(JNIEnv *env, jobject thiz, int nDeviceID, bool bOpened)
+{
+        LOGV( "HIDDeviceOpenResult() id=%d, result=%s\n", nDeviceID, bOpened ? "true" : "false" );
+        hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID );
+        if ( pDevice )
+        {
+                pDevice->SetOpenResult( bOpened );
+        }
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceDisconnected)(JNIEnv *env, jobject thiz, int nDeviceID)
+{
+        LOGV( "HIDDeviceDisconnected() id=%d\n", nDeviceID );
+        hid_device_ref<CHIDDevice> pDevice;
+        {
+                hid_mutex_guard l( &g_DevicesMutex );
+                hid_device_ref<CHIDDevice> pLast, pCurr;
+                for ( pCurr = g_Devices; pCurr; pLast = pCurr, pCurr = pCurr->next )
+                {
+                        if ( pCurr->GetId() == nDeviceID )
+                        {
+                                pDevice = pCurr;
+
+                                if ( pLast )
+                                {
+                                        pLast->next = pCurr->next;
+                                }
+                                else
+                                {
+                                        g_Devices = pCurr->next;
+                                }
+                        }
+                }
+        }
+        if ( pDevice )
+        {
+                pDevice->Close( false );
+        }
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceInputReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value)
+{
+        jbyte *pBuf = env->GetByteArrayElements(value, NULL);
+        jsize nBufSize = env->GetArrayLength(value);
+
+//      LOGV( "HIDDeviceInput() id=%d len=%u\n", nDeviceID, nBufSize );
+        hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID );
+        if ( pDevice )
+        {
+                pDevice->ProcessInput( reinterpret_cast< const uint8_t* >( pBuf ), nBufSize );
+        }
+
+        env->ReleaseByteArrayElements(value, pBuf, 0);
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReportResponse)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value)
+{
+        jbyte *pBuf = env->GetByteArrayElements(value, NULL);
+        jsize nBufSize = env->GetArrayLength(value);
+
+        LOGV( "HIDDeviceReportResponse() id=%d len=%u\n", nDeviceID, nBufSize );
+        hid_device_ref<CHIDDevice> pDevice = FindDevice( nDeviceID );
+        if ( pDevice )
+        {
+                pDevice->ProcessReportResponse( reinterpret_cast< const uint8_t* >( pBuf ), nBufSize );
+        }
+
+        env->ReleaseByteArrayElements(value, pBuf, 0);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+extern "C"
+{
+
+static void SDLCALL RequestBluetoothPermissionCallback( void *userdata, const char *permission, bool granted )
+{
+        SDL_Log( "Bluetooth permission %s", granted ? "granted" : "denied" );
+
+        if ( granted && g_HIDDeviceManagerCallbackHandler )
+        {
+                JNIEnv *env = (JNIEnv *)SDL_GetAndroidJNIEnv();
+
+                env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerInitialize, false, true );
+        }
+}
+
+int hid_init(void)
+{
+        if ( !g_initialized && g_HIDDeviceManagerCallbackHandler )
+        {
+                // HIDAPI doesn't work well with Android < 4.3
+                if ( SDL_GetAndroidSDKVersion() >= 18 )
+                {
+                        JNIEnv *env = (JNIEnv *)SDL_GetAndroidJNIEnv();
+
+                        env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerInitialize, true, false );
+
+                        // Bluetooth is currently only used for Steam Controllers, so check that hint
+                        // before initializing Bluetooth, which will prompt the user for permission.
+                        if ( SDL_GetHintBoolean( SDL_HINT_JOYSTICK_HIDAPI_STEAM, false ) )
+                        {
+                                if ( SDL_GetAndroidSDKVersion() < 31 )
+                                {
+                                        env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerInitialize, false, true );
+                                }
+                                else
+                                {
+                                        SDL_Log( "Requesting Bluetooth permission" );
+                                        SDL_RequestAndroidPermission( "android.permission.BLUETOOTH_CONNECT", RequestBluetoothPermissionCallback, NULL );
+                                }
+                        }
+                        ExceptionCheck( env, NULL, "hid_init" );
+                }
+                g_initialized = true;   // Regardless of result, so it's only called once
+        }
+        return 0;
+}
+
+struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id)
+{
+        struct hid_device_info *root = NULL;
+
+        hid_mutex_guard l( &g_DevicesMutex );
+        for ( hid_device_ref<CHIDDevice> pDevice = g_Devices; pDevice; pDevice = pDevice->next )
+        {
+                // Don't enumerate devices that are currently being opened, we'll re-enumerate them when we're done
+                // Make sure we skip them at least once, so they get removed and then re-added to the caller's device list
+                if ( pDevice->BWasOpenPending() )
+                {
+                        // Don't enumerate devices that failed to open, otherwise the application might try to keep prompting for access
+                        if ( !pDevice->BOpenPending() && pDevice->BOpenResult() )
+                        {
+                                pDevice->SetWasOpenPending( false );
+                        }
+                        continue;
+                }
+
+                const hid_device_info *info = pDevice->GetDeviceInfo();
+
+                /* See if there are any devices we should skip in enumeration */
+                if (SDL_HIDAPI_ShouldIgnoreDevice(HID_API_BUS_UNKNOWN, info->vendor_id, info->product_id, 0, 0)) {
+                        continue;
+                }
+
+                if ( ( vendor_id == 0x0 || info->vendor_id == vendor_id ) &&
+                     ( product_id == 0x0 || info->product_id == product_id ) )
+                {
+                        hid_device_info *dev = CopyHIDDeviceInfo( info );
+                        dev->next = root;
+                        root = dev;
+                }
+        }
+        return root;
+}
+
+void  HID_API_EXPORT HID_API_CALL hid_free_enumeration(struct hid_device_info *devs)
+{
+        while ( devs )
+        {
+                struct hid_device_info *next = devs->next;
+                FreeHIDDeviceInfo( devs );
+                devs = next;
+        }
+}
+
+HID_API_EXPORT hid_device * HID_API_CALL hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number)
+{
+        // TODO: Implement
+        return NULL;
+}
+
+HID_API_EXPORT hid_device * HID_API_CALL hid_open_path(const char *path)
+{
+        LOGV( "hid_open_path( %s )", path );
+
+        hid_device_ref< CHIDDevice > pDevice;
+        {
+                hid_mutex_guard r( &g_DevicesRefCountMutex );
+                hid_mutex_guard l( &g_DevicesMutex );
+                for ( hid_device_ref<CHIDDevice> pCurr = g_Devices; pCurr; pCurr = pCurr->next )
+                {
+                        if ( SDL_strcmp( pCurr->GetDeviceInfo()->path, path ) == 0 )
+                        {
+                                hid_device *pValue = pCurr->GetDevice();
+                                if ( pValue )
+                                {
+                                        ++pValue->m_nDeviceRefCount;
+                                        LOGD("Incrementing device %d (%p), refCount = %d\n", pValue->m_nId, pValue, pValue->m_nDeviceRefCount);
+                                        return pValue;
+                                }
+
+                                // Hold a shared pointer to the controller for the duration
+                                pDevice = pCurr;
+                                break;
+                        }
+                }
+        }
+        if ( !pDevice )
+        {
+                SDL_SetError( "Couldn't find device with path %s", path );
+                return NULL;
+        }
+        if ( pDevice->BOpen() )
+        {
+                return pDevice->GetDevice();
+        }
+        return NULL;
+}
+
+int  HID_API_EXPORT HID_API_CALL hid_write(hid_device *device, const unsigned char *data, size_t length)
+{
+        if ( device )
+        {
+//              LOGV( "hid_write id=%d length=%zu", device->m_nId, length );
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        return pDevice->WriteReport( data, length, false );
+                }
+        }
+        return -1; // Controller was disconnected
+}
+
+static uint32_t getms()
+{
+        struct timeval now;
+
+        gettimeofday(&now, NULL);
+        return (uint32_t)(now.tv_sec * 1000 + now.tv_usec / 1000);
+}
+
+static void delayms(uint32_t ms)
+{
+    int was_error;
+
+    struct timespec elapsed, tv;
+
+    /* Set the timeout interval */
+    elapsed.tv_sec = ms / 1000;
+    elapsed.tv_nsec = (ms % 1000) * 1000000;
+    do {
+        errno = 0;
+
+        tv.tv_sec = elapsed.tv_sec;
+        tv.tv_nsec = elapsed.tv_nsec;
+        was_error = nanosleep(&tv, &elapsed);
+    } while (was_error && (errno == EINTR));
+}
+
+int HID_API_EXPORT HID_API_CALL hid_read_timeout(hid_device *device, unsigned char *data, size_t length, int milliseconds)
+{
+        if ( device )
+        {
+//              LOGV( "hid_read_timeout id=%d length=%u timeout=%d", device->m_nId, length, milliseconds );
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        int nResult = pDevice->GetInput( data, length );
+                        if ( nResult == 0 && milliseconds > 0 )
+                        {
+                                uint32_t start = getms();
+                                do
+                                {
+                                        delayms( 1 );
+                                        nResult = pDevice->GetInput( data, length );
+                                } while ( nResult == 0 && ( getms() - start ) < milliseconds );
+                        }
+                        return nResult;
+                }
+                LOGV( "controller was disconnected" );
+        }
+        return -1; // Controller was disconnected
+}
+
+// TODO: Implement blocking
+int  HID_API_EXPORT HID_API_CALL hid_read(hid_device *device, unsigned char *data, size_t length)
+{
+//      LOGV( "hid_read id=%d length=%zu", device->m_nId, length );
+        return hid_read_timeout( device, data, length, 0 );
+}
+
+// TODO: Implement?
+int  HID_API_EXPORT HID_API_CALL hid_set_nonblocking(hid_device *device, int nonblock)
+{
+        return -1;
+}
+
+int HID_API_EXPORT HID_API_CALL hid_send_feature_report(hid_device *device, const unsigned char *data, size_t length)
+{
+        if ( device )
+        {
+                LOGV( "hid_send_feature_report id=%d length=%zu", device->m_nId, length );
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        return pDevice->WriteReport( data, length, true );
+                }
+        }
+        return -1; // Controller was disconnected
+}
+
+
+// Synchronous operation. Will block until completed.
+int HID_API_EXPORT HID_API_CALL hid_get_feature_report(hid_device *device, unsigned char *data, size_t length)
+{
+        if ( device )
+        {
+                LOGV( "hid_get_feature_report id=%d length=%zu", device->m_nId, length );
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        return pDevice->ReadReport( data, length, true );
+                }
+        }
+        return -1; // Controller was disconnected
+}
+
+
+// Synchronous operation. Will block until completed.
+int HID_API_EXPORT HID_API_CALL hid_get_input_report(hid_device *device, unsigned char *data, size_t length)
+{
+        if ( device )
+        {
+                LOGV( "hid_get_input_report id=%d length=%zu", device->m_nId, length );
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        return pDevice->ReadReport( data, length, false );
+                }
+        }
+        return -1; // Controller was disconnected
+}
+
+
+void HID_API_EXPORT HID_API_CALL hid_close(hid_device *device)
+{
+        if ( device )
+        {
+                LOGV( "hid_close id=%d", device->m_nId );
+                hid_mutex_guard r( &g_DevicesRefCountMutex );
+                LOGD("Decrementing device %d (%p), refCount = %d\n", device->m_nId, device, device->m_nDeviceRefCount - 1);
+                if ( --device->m_nDeviceRefCount == 0 )
+                {
+                        hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                        if ( pDevice )
+                        {
+                                pDevice->Close( true );
+                        }
+                        else
+                        {
+                                delete device;
+                        }
+                        LOGD("Deleted device %p\n", device);
+                }
+        }
+}
+
+int HID_API_EXPORT_CALL hid_get_manufacturer_string(hid_device *device, wchar_t *string, size_t maxlen)
+{
+        if ( device )
+        {
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        wcsncpy( string, pDevice->GetDeviceInfo()->manufacturer_string, maxlen );
+                        return 0;
+                }
+        }
+        return -1;
+}
+
+int HID_API_EXPORT_CALL hid_get_product_string(hid_device *device, wchar_t *string, size_t maxlen)
+{
+        if ( device )
+        {
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        wcsncpy( string, pDevice->GetDeviceInfo()->product_string, maxlen );
+                        return 0;
+                }
+        }
+        return -1;
+}
+
+int HID_API_EXPORT_CALL hid_get_serial_number_string(hid_device *device, wchar_t *string, size_t maxlen)
+{
+        if ( device )
+        {
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+                        wcsncpy( string, pDevice->GetDeviceInfo()->serial_number, maxlen );
+                        return 0;
+                }
+        }
+        return -1;
+}
+
+int HID_API_EXPORT_CALL hid_get_indexed_string(hid_device *device, int string_index, wchar_t *string, size_t maxlen)
+{
+        return -1;
+}
+
+struct hid_device_info *hid_get_device_info(hid_device *device)
+{
+        if ( device )
+        {
+                hid_device_ref<CHIDDevice> pDevice = FindDevice( device->m_nId );
+                if ( pDevice )
+                {
+            return pDevice->GetDeviceInfo();
+                }
+        }
+        return NULL;
+}
+
+int hid_get_report_descriptor(hid_device *device, unsigned char *buf, size_t buf_size)
+{
+    // Not implemented
+    return -1;
+}
+
+HID_API_EXPORT const wchar_t* HID_API_CALL hid_error(hid_device *device)
+{
+        return NULL;
+}
+
+int hid_exit(void)
+{
+        return 0;
+}
+
+}
+
+#else
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceConnected)(JNIEnv *env, jobject thiz, int nDeviceID, jstring sIdentifier, int nVendorId, int nProductId, jstring sSerialNumber, int nReleaseNumber, jstring sManufacturer, jstring sProduct, int nInterface, int nInterfaceClass, int nInterfaceSubclass, int nInterfaceProtocol, bool bBluetooth );
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenPending)(JNIEnv *env, jobject thiz, int nDeviceID);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenResult)(JNIEnv *env, jobject thiz, int nDeviceID, bool bOpened);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceDisconnected)(JNIEnv *env, jobject thiz, int nDeviceID);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceInputReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value);
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReportResponse)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value);
+
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz )
+{
+        LOGV("Stub HIDDeviceRegisterCallback()");
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz)
+{
+        LOGV("Stub HIDDeviceReleaseCallback()");
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceConnected)(JNIEnv *env, jobject thiz, int nDeviceID, jstring sIdentifier, int nVendorId, int nProductId, jstring sSerialNumber, int nReleaseNumber, jstring sManufacturer, jstring sProduct, int nInterface, int nInterfaceClass, int nInterfaceSubclass, int nInterfaceProtocol, bool bBluetooth )
+{
+        LOGV("Stub HIDDeviceConnected() id=%d VID/PID = %.4x/%.4x, interface %d\n", nDeviceID, nVendorId, nProductId, nInterface);
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenPending)(JNIEnv *env, jobject thiz, int nDeviceID)
+{
+        LOGV("Stub HIDDeviceOpenPending() id=%d\n", nDeviceID);
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenResult)(JNIEnv *env, jobject thiz, int nDeviceID, bool bOpened)
+{
+        LOGV("Stub HIDDeviceOpenResult() id=%d, result=%s\n", nDeviceID, bOpened ? "true" : "false");
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceDisconnected)(JNIEnv *env, jobject thiz, int nDeviceID)
+{
+        LOGV("Stub HIDDeviceDisconnected() id=%d\n", nDeviceID);
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceInputReport)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value)
+{
+        LOGV("Stub HIDDeviceInput() id=%d len=%u\n", nDeviceID, nBufSize);
+}
+
+extern "C"
+JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReportResponse)(JNIEnv *env, jobject thiz, int nDeviceID, jbyteArray value)
+{
+        LOGV("Stub HIDDeviceReportResponse() id=%d len=%u\n", nDeviceID, nBufSize);
+}
+
+#endif /* SDL_HIDAPI_DISABLED */
+
+extern "C"
+JNINativeMethod HIDDeviceManager_tab[8] = {
+        { "HIDDeviceRegisterCallback", "()V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback) },
+        { "HIDDeviceReleaseCallback", "()V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback) },
+        { "HIDDeviceConnected", "(ILjava/lang/String;IILjava/lang/String;ILjava/lang/String;Ljava/lang/String;IIIIZ)V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceConnected) },
+        { "HIDDeviceOpenPending", "(I)V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenPending) },
+        { "HIDDeviceOpenResult", "(IZ)V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceOpenResult) },
+        { "HIDDeviceDisconnected", "(I)V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceDisconnected) },
+        { "HIDDeviceInputReport", "(I[B)V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceInputReport) },
+        { "HIDDeviceReportResponse", "(I[B)V", (void*)HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReportResponse) }
+};