/*

* Copyright (c) 2009 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 <QTime>

#include <QPixmap>

#include <coemain.h>

#include <QStringList>

#include "cxevideocapturecontrolsymbian.h"

#include "cxevideorecorderutilitysymbian.h"

#include "cxecameradevicecontrolsymbian.h"

#include "cxefilenamegeneratorsymbian.h"

#include "cxeerrormappingsymbian.h"

#include "cxeviewfindercontrol.h"

#include "cxestillimagesymbian.h"

#include "cxecameradevice.h"

#include "cxutils.h"

#include "cxestate.h"

#include "cxesettings.h"

#include "cxenamespace.h"

#include "cxesoundplayersymbian.h"

#include "cxequalitypresetssymbian.h"

#include "cxeviewfindercontrolsymbian.h"

#include "cxediskmonitor.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "cxevideocapturecontrolsymbianTraces.h"

#endif

// constants

namespace

{

    // TMMFEvent UIDs for Async stop

    const TUid KCamCControllerCCVideoRecordStopped = {0x2000E546};

    const TUid KCamCControllerCCVideoFileComposed = {0x2000E547};

    const TInt64  KMinRequiredSpaceVideo      = 4000000;

}

/*!

* CxeVideoCaptureControlSymbian::CxeVideoCaptureControlSymbian

*/

CxeVideoCaptureControlSymbian::CxeVideoCaptureControlSymbian(

    CxeCameraDevice &cameraDevice,

    CxeViewfinderControl &viewfinderControl,

    CxeCameraDeviceControl &cameraDeviceControl,

    CxeFilenameGenerator &nameGenerator,

    CxeSettings &settings,

    CxeQualityPresets &qualityPresets,

    CxeDiskMonitor &diskMonitor)

    : CxeStateMachine("CxeVideoCaptureControlSymbian"),

      mVideoRecorder(NULL),

      mCameraDevice(cameraDevice),

      mCameraDeviceControl(cameraDeviceControl),

      mViewfinderControl(viewfinderControl),

      mFilenameGenerator(nameGenerator),

      mSettings(settings),

      mQualityPresets(qualityPresets),

      mDiskMonitor(diskMonitor),

      mSnapshot(),

      mCurrentFilename("")

{

    CX_DEBUG_ENTER_FUNCTION();

    OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_CREATE_IN, "msg: e_CX_VIDEOCAPTURECONTROL_NEW 1");

    qRegisterMetaType<CxeVideoCaptureControl::State> ();

    initializeStates();

    mVideoStopSoundPlayer = new

             CxeSoundPlayerSymbian(CxeSoundPlayerSymbian::VideoCaptureStop);

    mVideoStartSoundPlayer = new

             CxeSoundPlayerSymbian(CxeSoundPlayerSymbian::VideoCaptureStart);

    // If camera is already allocated, call the slot ourselves.

    if (mCameraDevice.camera()) {

        handleCameraAllocated(CxeError::None);

    }

    OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_CREATE_M1, "msg: e_CX_ENGINE_CONNECT_SIGNALS 1");

    // connect signals from cameraDevice, so we recieve events when camera reference changes

    connect(&cameraDevice, SIGNAL(prepareForCameraDelete()),

            this, SLOT(prepareForCameraDelete()));

    connect(&cameraDevice, SIGNAL(prepareForRelease()),

            this, SLOT(prepareForRelease()) );

    connect(&cameraDevice, SIGNAL(cameraAllocated(CxeError::Id)),

            this, SLOT(handleCameraAllocated(CxeError::Id)));

    // connect playing sound signals

    connect(mVideoStartSoundPlayer, SIGNAL(playComplete(int)),

            this, SLOT(handleSoundPlayed()));

    // enabling setting change callbacks to videocapturecontrol

    connect(&mSettings, SIGNAL(settingValueChanged(const QString&,QVariant)),

            this, SLOT(handleSettingValueChanged(const QString&,QVariant)));

    OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_CREATE_M2, "msg: e_CX_ENGINE_CONNECT_SIGNALS 0");

    OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_CREATE_OUT, "msg: e_CX_VIDEOCAPTURECONTROL_NEW 0");

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* CxeVideoCaptureControlSymbian::~CxeVideoCaptureControlSymbian()

*/

CxeVideoCaptureControlSymbian::~CxeVideoCaptureControlSymbian()

{

    CX_DEBUG_ENTER_FUNCTION();

    releaseResources();

    mIcmSupportedVideoResolutions.clear();

    delete mVideoStartSoundPlayer;

    delete mVideoStopSoundPlayer;

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Initializes resources for video recording.

*/

void CxeVideoCaptureControlSymbian::init()

{

    CX_DEBUG_ENTER_FUNCTION();

    OstTrace0( camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_INIT, "msg: e_CX_VIDEO_CAPCONT_INIT 1" );

    if (state() == Idle) {

        // start initializing resources for video capture

        initVideoRecorder();

    } else if (state() == Initialized) {

        // video recorder already initalized. Continue to prepare video reocording.

        open();

    }

    OstTrace0( camerax_performance, DUP1_CXEVIDEOCAPTURECONTROLSYMBIAN_INIT, "msg: e_CX_VIDEO_CAPCONT_INIT 0" );

    CX_DEBUG_EXIT_FUNCTION();

}

/*

* Releases all resources

*/

void CxeVideoCaptureControlSymbian::deinit()

{

    CX_DEBUG_ENTER_FUNCTION();

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Intializes VideoRecorder for recording.

*/

void CxeVideoCaptureControlSymbian::initVideoRecorder()

{

    CX_DEBUG_ENTER_FUNCTION();

            setState(Initialized);

            open();

        }

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Opens file for video recording.

*/

void CxeVideoCaptureControlSymbian::open()

{

    CX_DEBUG_ENTER_FUNCTION();

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

*/

{

    CX_DEBUG_ENTER_FUNCTION();

}

/*!

* Prepare Video Recorder with necessary settings for video capture.

*/

void CxeVideoCaptureControlSymbian::prepare()

{

    CX_DEBUG_ENTER_FUNCTION();

    if (state() != Preparing) {

        // not valid state to continue prepare.

        return;

    }

    OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_PREPARE, "msg: e_CX_VIDCAPCONT_PREPARE 1");

    int muteSetting = 0; // audio enabled

    mSettings.get(CxeSettingIds::VIDEO_MUTE_SETTING, muteSetting);

    // Check if scene defines frame rate.

    // Use generic frame rate defined in video details, if no value is set in scene.

    int frameRate = 0;

    mSettings.get(CxeSettingIds::FRAME_RATE, frameRate);

    if (frameRate <= 0) {

        frameRate = mCurrentVideoDetails.mVideoFrameRate;

    }

    CX_DEBUG(("Video frame rate = %d)", frameRate));

    }

    OstTrace0(camerax_performance, DUP1_CXEVIDEOCAPTURECONTROLSYMBIAN_PREPARE, "msg: e_CX_VIDCAPCONT_PREPARE 0");

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

*/

CxeVideoCaptureControlSymbian::getVideoQualityDetails(CxeVideoDetails &videoInfo)

{

    CX_DEBUG_ENTER_FUNCTION();

    }

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Resets the video snapshot and current video filename

*/

void CxeVideoCaptureControlSymbian::reset()

{

    CX_DEBUG_ENTER_FUNCTION();

    // Snapshot will consume considerably memory.

    // Replace it with null pixmap to have it freed.

    mSnapshot = QPixmap();

    // reset the current file name.

    mCurrentFilename = QString("");

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Returns current video filename

*/

QString CxeVideoCaptureControlSymbian::filename() const

{

    // Simply return the current contents of mCurrentFilename.

    // If video recording was started then it returns proper filename

    // otherwise an empty string is returned.

    return mCurrentFilename;

}

/*!

* Returns current video snapshot

*/

QPixmap CxeVideoCaptureControlSymbian::snapshot() const

{

    return mSnapshot;

}

/*!

* Starts video recording if we are in appropriate state.

*/

void CxeVideoCaptureControlSymbian::record()

{

    CX_DEBUG_ENTER_FUNCTION();

    if (state() == Ready || state() == Paused) {

        // ask the player to play the sound

        // recording will start once start sound is played

        setState(CxeVideoCaptureControl::PlayingStartSound);

        mVideoStartSoundPlayer->play();

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Pauses video recording.

*/

void CxeVideoCaptureControlSymbian::pause()

{

    CX_DEBUG_ENTER_FUNCTION();

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Stops video recording.

*/

void CxeVideoCaptureControlSymbian::stop()

{

    CX_DEBUG_ENTER_FUNCTION();

    if (state() == Recording || state() == Paused) {

        // first stop viewfinder

        mViewfinderControl.stop();

                setState(Initialized);

                mFilenameGenerator.raiseCounterValue();

            }

        }

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Callback when "Open" operation is complete.

*/

void CxeVideoCaptureControlSymbian::MvruoOpenComplete(TInt aError)

{

    CX_DEBUG_ENTER_FUNCTION();

    CX_DEBUG(("CxeVideoCaptureControlSymbian::MvruoOpenComplete, err=%d", aError));

    if (state() == Preparing) {

        } else {

        }

    }

    CX_DEBUG_EXIT_FUNCTION();

}

/*!

* Callback when "Prepare" request is complete.

*/

void CxeVideoCaptureControlSymbian::MvruoPrepareComplete(TInt aError)

{

    CX_DEBUG_ENTER_FUNCTION();

    CX_DEBUG(("CxeVideoCaptureControlSymbian::MvruoPrepareComplete, err=%d", aError));

    if (state() == Preparing) {

        if (!aError) {

            setState(CxeVideoCaptureControl::Ready);

            mViewfinderControl.start();

            OstTrace0( camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_GOTOVIDEO, "msg: e_CX_GO_TO_VIDEO_MODE 0" );

        } else {

        }

    }

    CX_DEBUG_EXIT_FUNCTION();