2009-09-01 09:45:48 -07:00
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Doug Turner <dougt@dougt.org>
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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2009-09-02 11:04:30 -07:00
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#include "nsAccelerometerCE.h"
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2009-09-01 09:45:48 -07:00
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#include "nsIServiceManager.h"
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#include "windows.h"
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////////////////////////////
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// HTC
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////////////////////////////
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typedef struct _SENSORDATA
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{
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SHORT TiltX; // From -1000 to 1000 (about), 0 is flat
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SHORT TiltY; // From -1000 to 1000 (about), 0 is flat
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SHORT Orientation; // From -1000 to 1000 (about)
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WORD Unknown1; // Always zero
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DWORD AngleY; // From 0 to 359
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DWORD AngleX; // From 0 to 359
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DWORD Unknown2; // Bit field?
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} SENSORDATA, *PSENSORDATA;
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typedef HANDLE (WINAPI * HTCSensorOpen)(DWORD);
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typedef void (WINAPI * HTCSensorClose)(HANDLE);
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typedef DWORD (WINAPI * HTCSensorGetDataOutput)(HANDLE, PSENSORDATA);
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HTCSensorOpen gHTCSensorOpen = nsnull;
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HTCSensorClose gHTCSensorClose = nsnull;
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HTCSensorGetDataOutput gHTCSensorGetDataOutput = nsnull;
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class HTCSensor : public Sensor
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{
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public:
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HTCSensor();
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~HTCSensor();
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PRBool Startup();
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void Shutdown();
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void GetValues(double *x, double *y, double *z);
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private:
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HMODULE mLibrary;
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HANDLE mHTCHandle;
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};
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HTCSensor::HTCSensor()
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{
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}
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HTCSensor::~HTCSensor()
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{
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}
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PRBool
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HTCSensor::Startup()
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{
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HMODULE hSensorLib = LoadLibraryW(L"HTCSensorSDK.dll");
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if (!hSensorLib)
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return PR_FALSE;
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gHTCSensorOpen = (HTCSensorOpen) GetProcAddressW(hSensorLib, L"HTCSensorOpen");
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gHTCSensorClose = (HTCSensorClose) GetProcAddressW(hSensorLib, L"HTCSensorClose");
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gHTCSensorGetDataOutput = (HTCSensorGetDataOutput) GetProcAddressW(hSensorLib,
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L"HTCSensorGetDataOutput");
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if (gHTCSensorOpen != nsnull && gHTCSensorClose != nsnull &&
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gHTCSensorGetDataOutput != nsnull) {
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mHTCHandle = gHTCSensorOpen(1);
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if (mHTCHandle)
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return PR_TRUE;
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}
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FreeLibrary(hSensorLib);
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mLibrary = nsnull;
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gHTCSensorOpen = nsnull;
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gHTCSensorClose = nsnull;
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gHTCSensorGetDataOutput = nsnull;
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return PR_FALSE;
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}
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void
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HTCSensor::Shutdown()
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{
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NS_ASSERTION(mHTCHandle, "mHTCHandle should not be null at shutdown!");
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gHTCSensorClose(mHTCHandle);
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NS_ASSERTION(mLibrary, "Shutdown called when mLibrary is null?");
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FreeLibrary(mLibrary);
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mLibrary = nsnull;
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gHTCSensorOpen = nsnull;
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gHTCSensorClose = nsnull;
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gHTCSensorGetDataOutput = nsnull;
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}
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void
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HTCSensor::GetValues(double *x, double *y, double *z)
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{
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if (!mHTCHandle)
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return;
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static const double htcScalingFactor = 1.0 / 1000.0 * 9.8;
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SENSORDATA sd;
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gHTCSensorGetDataOutput(mHTCHandle, &sd);
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*x = ((double)sd.TiltX) / 980 ;
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*y = ((double)sd.TiltY) / 980 ;
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*z = ((double)sd.Orientation) / 1000;
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}
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////////////////////////////
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// Samsung
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////////////////////////////
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/**
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* The result of an SMI SDK function call.
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*/
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typedef UINT SMI_RESULT;
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/**
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* Common result codes.
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*/
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typedef enum
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{
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SMI_SUCCESS = 0x00000000,
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SMI_ERROR_UNKNOWN = 0x00000001,
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SMI_ERROR_DEVICE_NOT_FOUND = 0x00000002,
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SMI_ERROR_DEVICE_DISABLED = 0x00000003,
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SMI_ERROR_PERMISSION_DENIED = 0x00000004,
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SMI_ERROR_INVALID_PARAMETER = 0x00000005,
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SMI_ERROR_CANNOT_ACTIVATE_SERVER= 0x00000006,
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SMI_ACCELEROMETER_RESULT_BASE = 0x10010000,
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SMI_HAPTICS_RESULT_BASE = 0x10020000,
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SMI_LED_RESULT_BASE = 0x10030000
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} SmiResultCode;
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/**
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* Accelerometer vector data.
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*
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*/
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typedef struct
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{
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FLOAT x; /**< X-direction value */
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FLOAT y; /**< Y-direction value */
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FLOAT z; /**< Z-direction value */
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} SmiAccelerometerVector;
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/**
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* Specifies the capabilities of the Accelerometer device.
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*/
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typedef struct
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{
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UINT callbackPeriod; /**<The unit of the vector sampling time, in milliseconds. */
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} SmiAccelerometerCapabilities;
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typedef SMI_RESULT (WINAPI * SmiAccelerometerGetVector)(SmiAccelerometerVector *);
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typedef void (*SmiAccelerometerHandler)(SmiAccelerometerVector accel);
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SmiAccelerometerGetVector gSmiAccelerometerGetVector = nsnull;
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class SMISensor : public Sensor
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{
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public:
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SMISensor();
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~SMISensor();
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PRBool Startup();
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void Shutdown();
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void GetValues(double *x, double *y, double *z);
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private:
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HMODULE mLibrary;
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};
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SMISensor::SMISensor()
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:mLibrary(nsnull)
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{
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}
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SMISensor::~SMISensor()
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{
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}
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PRBool
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SMISensor::Startup()
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{
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HMODULE hSensorLib = LoadLibraryW(L"SamsungMobileSDK_1.dll");
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if (!hSensorLib)
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return PR_FALSE;
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gSmiAccelerometerGetVector = (SmiAccelerometerGetVector)
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GetProcAddressW(hSensorLib, L"SmiAccelerometerGetVector");
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if (gSmiAccelerometerGetVector == nsnull) {
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FreeLibrary(hSensorLib);
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mLibrary = nsnull;
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gSmiAccelerometerGetVector = nsnull;
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return PR_FALSE;
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}
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mLibrary = hSensorLib;
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return PR_TRUE;
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}
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void
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SMISensor::Shutdown()
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{
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NS_ASSERTION(mLibrary, "Shutdown called when mLibrary is null?");
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FreeLibrary(mLibrary);
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mLibrary = nsnull;
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gSmiAccelerometerGetVector = nsnull;
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}
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void
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SMISensor::GetValues(double *x, double *y, double *z)
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{
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NS_ASSERTION(mLibrary, "mLibrary should not be null when GetValues is called");
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SmiAccelerometerVector vector;
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vector.x = vector.y = vector.z = 0;
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SMI_RESULT result = gSmiAccelerometerGetVector(&vector);
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// don't we have to adjust
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*x = vector.x;
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*y = vector.y;
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*z = vector.z;
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}
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nsAccelerometerWin::nsAccelerometerWin(){}
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nsAccelerometerWin::~nsAccelerometerWin(){}
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void
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nsAccelerometerWin::UpdateHandler(nsITimer *aTimer, void *aClosure)
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{
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nsAccelerometerWin *self = reinterpret_cast<nsAccelerometerWin *>(aClosure);
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if (!self || !self->mSensor) {
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NS_ERROR("no self or sensor");
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return;
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}
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double x, y, z;
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self->mSensor->GetValues(&x, &y, &z);
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self->AccelerationChanged(x, y, z);
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}
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void nsAccelerometerWin::Startup()
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{
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NS_ASSERTION(!mLibrary, "mLibrary should be null. Startup called twice?");
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PRBool started = PR_FALSE;
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mSensor = new SMISensor();
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if (mSensor)
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started = mSensor->Startup();
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if (!started) {
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mSensor = new HTCSensor();
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if (mSensor)
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started = mSensor->Startup();
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}
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if (!started)
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return;
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mUpdateTimer = do_CreateInstance("@mozilla.org/timer;1");
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if (mUpdateTimer)
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mUpdateTimer->InitWithFuncCallback(UpdateHandler,
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this,
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mUpdateInterval,
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nsITimer::TYPE_REPEATING_SLACK);
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}
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void nsAccelerometerWin::Shutdown()
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{
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if (mUpdateTimer) {
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mUpdateTimer->Cancel();
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mUpdateTimer = nsnull;
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}
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if (mSensor)
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mSensor->Shutdown();
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}
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