gecko/dom/system/windows/nsAccelerometerSystem.cpp

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Doug Turner <dougt@dougt.org>
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jesper Kristensen <mail@jesperkristensen.dk>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsAccelerometerSystem.h"
#include "nsIServiceManager.h"
#include "windows.h"
#ifdef WINCE_WINDOWS_MOBILE
////////////////////////////
// HTC
////////////////////////////
typedef struct _SENSORDATA
{
SHORT TiltX; // From -1000 to 1000 (about), 0 is flat
SHORT TiltY; // From -1000 to 1000 (about), 0 is flat
SHORT Orientation; // From -1000 to 1000 (about)
WORD Unknown1; // Always zero
DWORD AngleY; // From 0 to 359
DWORD AngleX; // From 0 to 359
DWORD Unknown2; // Bit field?
} SENSORDATA, *PSENSORDATA;
typedef HANDLE (WINAPI * HTCSensorOpen)(DWORD);
typedef void (WINAPI * HTCSensorClose)(HANDLE);
typedef DWORD (WINAPI * HTCSensorGetDataOutput)(HANDLE, PSENSORDATA);
HTCSensorOpen gHTCSensorOpen = nsnull;
HTCSensorClose gHTCSensorClose = nsnull;
HTCSensorGetDataOutput gHTCSensorGetDataOutput = nsnull;
class HTCSensor : public Sensor
{
public:
HTCSensor();
~HTCSensor();
PRBool Startup();
void Shutdown();
void GetValues(double *x, double *y, double *z);
private:
HMODULE mLibrary;
HANDLE mHTCHandle;
};
HTCSensor::HTCSensor()
{
}
HTCSensor::~HTCSensor()
{
}
PRBool
HTCSensor::Startup()
{
HMODULE hSensorLib = LoadLibraryW(L"HTCSensorSDK.dll");
if (!hSensorLib)
return PR_FALSE;
gHTCSensorOpen = (HTCSensorOpen) GetProcAddressW(hSensorLib, L"HTCSensorOpen");
gHTCSensorClose = (HTCSensorClose) GetProcAddressW(hSensorLib, L"HTCSensorClose");
gHTCSensorGetDataOutput = (HTCSensorGetDataOutput) GetProcAddressW(hSensorLib,
L"HTCSensorGetDataOutput");
if (gHTCSensorOpen != nsnull && gHTCSensorClose != nsnull &&
gHTCSensorGetDataOutput != nsnull) {
mHTCHandle = gHTCSensorOpen(1);
if (mHTCHandle)
return PR_TRUE;
}
FreeLibrary(hSensorLib);
mLibrary = nsnull;
gHTCSensorOpen = nsnull;
gHTCSensorClose = nsnull;
gHTCSensorGetDataOutput = nsnull;
return PR_FALSE;
}
void
HTCSensor::Shutdown()
{
NS_ASSERTION(mHTCHandle, "mHTCHandle should not be null at shutdown!");
gHTCSensorClose(mHTCHandle);
NS_ASSERTION(mLibrary, "Shutdown called when mLibrary is null?");
FreeLibrary(mLibrary);
mLibrary = nsnull;
gHTCSensorOpen = nsnull;
gHTCSensorClose = nsnull;
gHTCSensorGetDataOutput = nsnull;
}
void
HTCSensor::GetValues(double *x, double *y, double *z)
{
if (!mHTCHandle)
return;
static const double htcScalingFactor = 1.0 / 1000.0 * 9.8;
SENSORDATA sd;
gHTCSensorGetDataOutput(mHTCHandle, &sd);
*x = ((double)sd.TiltX) / 980 ;
*y = ((double)sd.TiltY) / 980 ;
*z = ((double)sd.Orientation) / 1000;
}
////////////////////////////
// Samsung
////////////////////////////
/**
* The result of an SMI SDK function call.
*/
typedef UINT SMI_RESULT;
/**
* Common result codes.
*/
typedef enum
{
SMI_SUCCESS = 0x00000000,
SMI_ERROR_UNKNOWN = 0x00000001,
SMI_ERROR_DEVICE_NOT_FOUND = 0x00000002,
SMI_ERROR_DEVICE_DISABLED = 0x00000003,
SMI_ERROR_PERMISSION_DENIED = 0x00000004,
SMI_ERROR_INVALID_PARAMETER = 0x00000005,
SMI_ERROR_CANNOT_ACTIVATE_SERVER= 0x00000006,
SMI_ACCELEROMETER_RESULT_BASE = 0x10010000,
SMI_HAPTICS_RESULT_BASE = 0x10020000,
SMI_LED_RESULT_BASE = 0x10030000
} SmiResultCode;
/**
* Accelerometer vector data.
*
*/
typedef struct
{
FLOAT x; /**< X-direction value */
FLOAT y; /**< Y-direction value */
FLOAT z; /**< Z-direction value */
} SmiAccelerometerVector;
/**
* Specifies the capabilities of the Accelerometer device.
*/
typedef struct
{
UINT callbackPeriod; /**<The unit of the vector sampling time, in milliseconds. */
} SmiAccelerometerCapabilities;
typedef SMI_RESULT (WINAPI * SmiAccelerometerGetVector)(SmiAccelerometerVector *);
typedef void (*SmiAccelerometerHandler)(SmiAccelerometerVector accel);
SmiAccelerometerGetVector gSmiAccelerometerGetVector = nsnull;
class SMISensor : public Sensor
{
public:
SMISensor();
~SMISensor();
PRBool Startup();
void Shutdown();
void GetValues(double *x, double *y, double *z);
private:
HMODULE mLibrary;
};
SMISensor::SMISensor()
:mLibrary(nsnull)
{
}
SMISensor::~SMISensor()
{
}
PRBool
SMISensor::Startup()
{
HMODULE hSensorLib = LoadLibraryW(L"SamsungMobileSDK_1.dll");
if (!hSensorLib)
return PR_FALSE;
gSmiAccelerometerGetVector = (SmiAccelerometerGetVector)
GetProcAddressW(hSensorLib, L"SmiAccelerometerGetVector");
if (gSmiAccelerometerGetVector == nsnull) {
FreeLibrary(hSensorLib);
mLibrary = nsnull;
gSmiAccelerometerGetVector = nsnull;
return PR_FALSE;
}
mLibrary = hSensorLib;
return PR_TRUE;
}
void
SMISensor::Shutdown()
{
NS_ASSERTION(mLibrary, "Shutdown called when mLibrary is null?");
FreeLibrary(mLibrary);
mLibrary = nsnull;
gSmiAccelerometerGetVector = nsnull;
}
void
SMISensor::GetValues(double *x, double *y, double *z)
{
NS_ASSERTION(mLibrary, "mLibrary should not be null when GetValues is called");
SmiAccelerometerVector vector;
vector.x = vector.y = vector.z = 0;
SMI_RESULT result = gSmiAccelerometerGetVector(&vector);
// don't we have to adjust
*x = vector.x;
*y = vector.y;
*z = vector.z;
}
////////////////////////////
// Toshiba TG01 / T-01A
////////////////////////////
typedef struct _TS_ACCELERATION
{
SHORT x;
SHORT y;
SHORT z;
FILETIME time;
} TS_ACCELERATION;
typedef DWORD (WINAPI *TSRegisterAcceleration)(HANDLE,DWORD,DWORD*);
typedef DWORD (WINAPI *TSDeregisterAcceleration)(DWORD);
typedef DWORD (WINAPI *TSGetAcceleration)(DWORD,TS_ACCELERATION*);
TSRegisterAcceleration gTSRegisterAcceleration = nsnull;
TSDeregisterAcceleration gTSDeregisterAcceleration = nsnull;
TSGetAcceleration gTSGetAcceleration = nsnull;
class TsSensor : public Sensor
{
public:
TsSensor();
~TsSensor();
PRBool Startup();
void Shutdown();
void GetValues(double *x, double *y, double *z);
private:
HMODULE mLibrary;
DWORD mId;
};
TsSensor::TsSensor() : mLibrary(nsnull), mId(0)
{
}
TsSensor::~TsSensor()
{
}
PRBool
TsSensor::Startup()
{
HMODULE hSensorLib = LoadLibraryW(L"axcon.dll");
if (!hSensorLib)
return PR_FALSE;
gTSRegisterAcceleration = (TSRegisterAcceleration) GetProcAddressW(hSensorLib, L"TSRegisterAcceleration");
gTSDeregisterAcceleration = (TSDeregisterAcceleration) GetProcAddressW(hSensorLib, L"TSDeregisterAcceleration");
gTSGetAcceleration = (TSGetAcceleration) GetProcAddressW(hSensorLib, L"TSGetAcceleration");
if (gTSRegisterAcceleration && gTSDeregisterAcceleration && gTSGetAcceleration) {
if (!gTSRegisterAcceleration(GetModuleHandle(NULL), 100, &mId)) {
mLibrary = hSensorLib;
return PR_TRUE;
}
}
FreeLibrary(hSensorLib);
mLibrary = nsnull;
mId = 0;
gTSRegisterAcceleration = nsnull;
gTSDeregisterAcceleration = nsnull;
gTSGetAcceleration = nsnull;
return PR_FALSE;
}
void
TsSensor::Shutdown()
{
NS_ASSERTION(mLibrary, "Shutdown called when mLibrary is null?");
gTSDeregisterAcceleration(mId);
FreeLibrary(mLibrary);
mLibrary = nsnull;
mId = 0;
gTSRegisterAcceleration = nsnull;
gTSDeregisterAcceleration = nsnull;
gTSGetAcceleration = nsnull;
}
void
TsSensor::GetValues(double *x, double *y, double *z)
{
NS_ASSERTION(mLibrary, "mLibrary should not be null when GetValues is called");
TS_ACCELERATION data;
gTSGetAcceleration(mId, &data);
// Value for TG-01 is landscaped
*x = ((double)data.y) / 1000;
*y = ((double)data.x) / 1000;
*z = ((double)data.z) / 1000;
}
#endif // WINCE_WINDOWS_MOBILE
#if !defined(WINCE) && !defined(WINCE_WINDOWS_MOBILE) // normal windows.
////////////////////////////
// ThinkPad
////////////////////////////
typedef struct {
int status; // Current internal state
unsigned short x; // raw value
unsigned short y; // raw value
unsigned short xx; // avg. of 40ms
unsigned short yy; // avg. of 40ms
char temp; // raw value (could be deg celsius?)
unsigned short x0; // Used for "auto-center"
unsigned short y0; // Used for "auto-center"
} ThinkPadAccelerometerData;
typedef void (__stdcall *ShockproofGetAccelerometerData)(ThinkPadAccelerometerData*);
ShockproofGetAccelerometerData gShockproofGetAccelerometerData = nsnull;
class ThinkPadSensor : public Sensor
{
public:
ThinkPadSensor();
~ThinkPadSensor();
PRBool Startup();
void Shutdown();
void GetValues(double *x, double *y, double *z);
private:
HMODULE mLibrary;
};
ThinkPadSensor::ThinkPadSensor()
{
}
ThinkPadSensor::~ThinkPadSensor()
{
}
PRBool
ThinkPadSensor::Startup()
{
mLibrary = LoadLibraryW(L"sensor.dll");
if (!mLibrary)
return PR_FALSE;
gShockproofGetAccelerometerData = (ShockproofGetAccelerometerData)
GetProcAddress(mLibrary, "ShockproofGetAccelerometerData");
if (!gShockproofGetAccelerometerData) {
FreeLibrary(mLibrary);
mLibrary = nsnull;
return PR_FALSE;
}
return PR_TRUE;
}
void
ThinkPadSensor::Shutdown()
{
NS_ASSERTION(mLibrary, "Shutdown called when mLibrary is null?");
FreeLibrary(mLibrary);
mLibrary = nsnull;
gShockproofGetAccelerometerData = nsnull;
}
void
ThinkPadSensor::GetValues(double *x, double *y, double *z)
{
ThinkPadAccelerometerData accelData;
gShockproofGetAccelerometerData(&accelData);
// accelData.x and accelData.y is the acceleration measured from the accelerometer.
// x and y is switched from what we use, and the accelerometer does not support z axis.
// Balance point (526, 528) and 90 degree tilt (144) determined experimentally.
*x = ((double)(accelData.y - 526)) / 144;
*y = ((double)(accelData.x - 528)) / 144;
*z = 1.0;
}
#endif
nsAccelerometerSystem::nsAccelerometerSystem(){}
nsAccelerometerSystem::~nsAccelerometerSystem(){}
void
nsAccelerometerSystem::UpdateHandler(nsITimer *aTimer, void *aClosure)
{
nsAccelerometerSystem *self = reinterpret_cast<nsAccelerometerSystem *>(aClosure);
if (!self || !self->mSensor) {
NS_ERROR("no self or sensor");
return;
}
double x, y, z;
self->mSensor->GetValues(&x, &y, &z);
self->AccelerationChanged(x, y, z);
}
void nsAccelerometerSystem::Startup()
{
NS_ASSERTION(!mSensor, "mSensor should be null. Startup called twice?");
2009-09-02 15:20:56 -07:00
PRBool started = PR_FALSE;
#ifdef WINCE_WINDOWS_MOBILE
mSensor = new SMISensor();
if (mSensor)
started = mSensor->Startup();
if (!started) {
mSensor = new HTCSensor();
if (mSensor)
started = mSensor->Startup();
}
if (!started) {
mSensor = new TsSensor();
if (mSensor)
started = mSensor->Startup();
}
#endif
#if !defined(WINCE) && !defined(WINCE_WINDOWS_MOBILE) // normal windows.
mSensor = new ThinkPadSensor();
if (mSensor)
started = mSensor->Startup();
#endif
if (!started)
return;
mUpdateTimer = do_CreateInstance("@mozilla.org/timer;1");
if (mUpdateTimer)
mUpdateTimer->InitWithFuncCallback(UpdateHandler,
this,
mUpdateInterval,
nsITimer::TYPE_REPEATING_SLACK);
}
void nsAccelerometerSystem::Shutdown()
{
if (mUpdateTimer) {
mUpdateTimer->Cancel();
mUpdateTimer = nsnull;
}
if (mSensor)
mSensor->Shutdown();
}