/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

// INCLUDE FILES

#include "loadgen_photocapture.h"

#include "loadgen_utils.h"

#include "loadgen.hrh"

#include "loadgen_traces.h"

#include <loadgen.rsg>

#include <e32hal.h>

#include <u32hal.h>

#include <e32math.h>

#include <eikenv.h>

_LIT(KThreadName, "PhotoCapture %d");

const TInt KDefaultStart = 50;

const TInt KDefaultPeriod = 5000000;

//TInt CPhotoCapture::iImagesReady = 0;

// ===================================== MEMBER FUNCTIONS =====================================

CPhotoCapture* CPhotoCapture::NewL(TPhotoCaptureAttributes& aAttributes, TInt aReferenceNumber)

    {

    CPhotoCapture* self = new(ELeave) CPhotoCapture(aAttributes, aReferenceNumber);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;    

    }

// --------------------------------------------------------------------------------------------

CPhotoCapture::~CPhotoCapture()

    {    

    Close();

    }

// --------------------------------------------------------------------------------------------

CPhotoCapture::CPhotoCapture(TPhotoCaptureAttributes& aAttributes, TInt aReferenceNumber) : iAttributes(aAttributes)

    {    

    iAttributes.iId = aReferenceNumber;    

    }

// --------------------------------------------------------------------------------------------

void CPhotoCapture::ConstructL()

    {    

    CLoadBase::ConstructL();

    iType = ELoadGenCmdNewLoadPhotoCaptures;

    TBuf<64> threadName;

    threadName.Format(KThreadName, iAttributes.iId);

    // create a thread

    User::LeaveIfError(iThread.Create(threadName, ThreadFunction, KDefaultStackSize*2, KMinHeapSize, 1024*KMinHeapSize, (TAny*) &iAttributes ));

    // set priority of the thread

    SetPriority();

    }

// --------------------------------------------------------------------------------------------

TInt CPhotoCapture::ThreadFunction(TAny* aThreadArg)

    {

    TInt err = KErrNone;

    CTrapCleanup* pC = CTrapCleanup::New();

    CActiveScheduler* pS = new CActiveScheduler;

    CActiveScheduler::Install(pS);

    // start generating load, pass pointer to arguments

    GenerateLoad(*((TPhotoCaptureAttributes*) aThreadArg));

    delete pS;

    delete pC;

    return err;

    }

// --------------------------------------------------------------------------------------------

void CPhotoCapture::GenerateLoad(TPhotoCaptureAttributes& aAttributes)

    {    

    CCameraManager* cameraManager = 0;

    TRAPD(err, cameraManager = CCameraManager::NewL(aAttributes));

    if (err == KErrNone) CActiveScheduler::Start();

    delete cameraManager;    

    }

// --------------------------------------------------------------------------------------------

void CPhotoCapture::Resume()

    {    

    CLoadBase::Resume();    

    iThread.Resume();

    }

// --------------------------------------------------------------------------------------------

void CPhotoCapture::Suspend()

    {    

    CLoadBase::Suspend();    

    iThread.Suspend();

    }

// --------------------------------------------------------------------------------------------

void CPhotoCapture::SetPriority()

    {    

    CLoadBase::SetPriority();    

    iThread.SetPriority(CLoadGenUtils::SettingItemToThreadPriority(iAttributes.iPriority));

    }

// --------------------------------------------------------------------------------------------

void CPhotoCapture::Close()

    {    

    CLoadBase::Close();

    // kill the thread immediately

    iThread.Kill(0);   

    iThread.Close();

    }

// --------------------------------------------------------------------------------------------

TPtrC CPhotoCapture::Description()

    {    

    TBuf<256> buf;

    TBuf<16> prioBuf;

    CLoadGenUtils::SettingItemToThreadDescription(iAttributes.iPriority, prioBuf);

    _LIT(KPhotoCaptureEntry, "[%d] PhotoCapture camera=%d prio=%S idle=%dms random=%d%%");

    buf.Format(KPhotoCaptureEntry, iAttributes.iId, iAttributes.iCamera, &prioBuf, iAttributes.iIdle, iAttributes.iRandomVariance);

    return TPtrC(buf);

    }               

// --------------------------------------------------------------------------------------------

// --------------------------------------------------------------------------------------------

CCameraManager* CCameraManager::NewL(TPhotoCaptureAttributes& aAttrs)

    {

    CCameraManager* self = new (ELeave) CCameraManager(aAttrs);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// --------------------------------------------------------------------------------------------

CCameraManager::~CCameraManager()

    {    

    delete iCamera;

    if (iPeriodicTimer)

        {

        iPeriodicTimer->Cancel();

        delete iPeriodicTimer;

        }

    }

// --------------------------------------------------------------------------------------------

CCameraManager::CCameraManager(TPhotoCaptureAttributes& aAttrs) 

: 

CActive(EPriorityStandard),

iAttributes(aAttrs)

    {        

    iState = ENotReady;

    iNumOfPics = 0;

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::ConstructL()

    {   

    CActiveScheduler::Add(this);    

    // set the status as pending

    iStatus = KRequestPending;

    SetActive();

    // set the death status pointer point to the request status of this ao

    iAttributes.iDeathStatus = &iStatus;

    // start timer    

    iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityStandard);

    iPeriodicTimer->Start(KDefaultStart, KDefaultPeriod, TCallBack(PeriodicTimerCallBack, this));

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::DoCancel()

    {    

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::RunL()

    {    

    // request status has completed by the main thread meaning that we need to stop now

    CActiveScheduler::Stop();

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::ReserveCameraL()

    {

    LOGSTRING2("LoadGen: CCameraManager::ReserveCameraL() - Using Camera %d", iAttributes.iCamera);

    if( iCamera )

        {

        iCamera->Release();

        }

    delete iCamera;

    iCamera = 0;

    TRAPD( err, iCamera = CCamera::NewL(*this, iAttributes.iCamera));

    iCurrentCamera = iAttributes.iCamera;

    if(err != KErrNone)

        {

        LOGSTRING2("LoadGen: CCamera::NewL leaves with error: %d", err);

        User::Leave(err);

        }

    iCamera->CameraInfo(iCameraInfo);

    iCamera->Reserve();    

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::ReserveComplete(TInt aError)

    {

    if( aError != KErrNone )

        LOGSTRING2("LoadGen: CCameraManager::ReserveComplete() - Error: %d", aError);

    if( aError == KErrNone )

        {

        iState = ECameraReserved;

        iCamera->PowerOn();

        }

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::PowerOnComplete(TInt aError)

    {

    if( aError != KErrNone )

        {

        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - Error: %d", aError);

        return;

        }

    // Define image format, try JPEG images first:

    CCamera::TFormat format = CCamera::EFormatExif;

    if(iCameraInfo.iImageFormatsSupported & CCamera::EFormatExif)

        {

        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - EXIF JPEG supported");

        format = CCamera::EFormatExif;

        }

    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatJpeg )

        {

        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - JFIF JPEG supported");

        format = CCamera::EFormatJpeg;

        }

    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatFbsBitmapColor4K )

        {

        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - Bitmap 4K Color supported");

        format = CCamera::EFormatFbsBitmapColor4K;

        }

    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatFbsBitmapColor64K )

        {

        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - Bitmap 64K Color supported");

        format = CCamera::EFormatFbsBitmapColor64K;

        }

    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatFbsBitmapColor16M )

        {

        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - Bitmap 16M Color supported");

        format = CCamera::EFormatFbsBitmapColor16M;

        }

    else

        {

        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - JPEGs not supported, trying \"User defined\" (Supported formats: %d)", iCameraInfo.iImageFormatsSupported);

        format = CCamera::EFormatUserDefined;

        }

    const TInt KImageSizeIndex = 0;  // Largest image size

    TRAPD( err, iCamera->PrepareImageCaptureL(format, KImageSizeIndex));

    if( err != KErrNone )

        {

        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - Error while preparing camera: %d", err);        

        }

    // Camera ready:

    iState = EIdle;

    // Take photo:

    TRAP(err, CapturePhotoL());

    if( err != KErrNone )

        {

        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - Photo capture error: %d", err);

        }

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::ViewFinderFrameReady(CFbsBitmap& /*aFrame*/)

    {

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::ImageReady(CFbsBitmap* aBitmap, HBufC8* aData, TInt aError)

    {    

    if( aError != KErrNone )

        {

        LOGSTRING2("LoadGen: CCameraManager::ImageReady() - Error: %d", aError);

        }    

    else

        {

        iNumOfPics++;    

        LOGSTRING2("LoadGen: CCameraManager::ImageReady() - Images successfully captured: %d", iNumOfPics);

        }

    delete aBitmap;

    delete aData;

    iState = EIdle;

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::FrameBufferReady(MFrameBuffer* /*aFrameBuffer*/, TInt aError)

    {

    if( aError != KErrNone )

        LOGSTRING2("LoadGen: CCameraManager::FrameBufferReady() - Error: %d", aError);

    }

// --------------------------------------------------------------------------------------------

void CCameraManager::CapturePhotoL()

    {    

    // Camera Manager must be in idle state when taking a photo

    if( iState == ENotReady )

        {

        // Not ready, camera must be reserved:

        ReserveCameraL();

        }

    else if (iState == EIdle)

        {

        if( iCurrentCamera != iAttributes.iCamera )

            {

            LOGSTRING3("LoadGen: CCameraManager::CapturePhotoL() - Switching from Camera %d to Camera %d", iCurrentCamera, iAttributes.iCamera);

            ReserveCameraL();

            }

        else

            {

            iState = ECapture;

            if( iCameraInfo.iFlashModesSupported & CCamera::EFlashForced)

                {

                iCamera->SetFlashL(CCamera::EFlashForced);

                }

            iCamera->CaptureImage();

            iPeriodicTimer->Start( CLoadGenUtils::MilliSecondsToMicroSeconds( iAttributes.iIdle,

                iAttributes.iRandomVariance ), KDefaultPeriod, 

                TCallBack( PeriodicTimerCallBack, this ) );

            }

        }

    else

        {

        iPeriodicTimer->Start( CLoadGenUtils::MilliSecondsToMicroSeconds( iAttributes.iIdle,

                                    iAttributes.iRandomVariance ), KDefaultPeriod, 

                                    TCallBack( PeriodicTimerCallBack, this ) );

        }

    }

// --------------------------------------------------------------------------------------------

TInt CCameraManager::PeriodicTimerCallBack(TAny* aAny)

    {

    CCameraManager* self = static_cast<CCameraManager*>( aAny );

    self->iPeriodicTimer->Cancel();

    TRAP_IGNORE(self->CapturePhotoL());   

    return KErrNone;

    }

// End of File