/*

 * 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:

 *

 */

// INCLUDES

#include <HbTextEdit>

#include <HbFrameItem>

#include <HbFrameDrawer>

#include <HbIconItem>

#include <HbPushButton>

#include <QFileInfo>

#include <HbAction>

#include <hbinputeditorinterface.h>

#include <QGraphicsLayout>

#include <HbGestureSceneFilter>

#include <HbGesture>

#include <HbMenu>

#include <HbMainWindow>

#include <hbinstance.h>

#include <HbDeviceProfile>

#include <QImageReader>

#include <QFileInfo>

#include <apmstd.h>

#include <MsgMediaResolver.h>

#include <MsgImageInfo.h>

#include <HbIconAnimationManager>

#include <HbIconAnimator>

#include <HbIcon>

// USER INCLUDES

#include "msgunieditorbody.h"

#include "UniEditorGenUtils.h"

#include "msgmonitor.h"

#include "s60qconversions.h"

#include "mmsinsertcheckoperation.h"

// Constants

const QString EDITOR_FRAME("qtg_fr_editor");

const QString AUDIO_REGION("AudioRegion");

const QString VIDEO_REGION("VideoRegion");

const QString IMAGE_REGION("ImageRegion");

const QString INVALID_REGION("InvalidRegion");

const QString SEND_ICON("qtg_mono_send.svg");

//Localized Constants

#define LOC_COMMON_OPEN hbTrId("txt_common_menu_open")

#define LOC_REMOVE_ATTACHMENT hbTrId("txt_messaging_menu_remove_attachment")

#define LOC_COMMON_DETAILS hbTrId("txt_common_menu_details")

MsgUnifiedEditorBody::MsgUnifiedEditorBody( const QString& pluginPath, QGraphicsItem *parent ) :

HbWidget(parent),

mHasImage(false),

mHasAudio(false),

mTextEdit(0),

mEditorFrame(0),

mIconItem(0),

mAudioItem(0),

mPluginPath(pluginPath),

mImageSize(0),

mAudioSize(0),

mVideoSize(0),

mProcessImageOperation(0),

mMediaResolver(0),

mImageInfo(0)

{

    setPluginBaseId(style()->registerPlugin(mPluginPath));

    mTextEdit = new HbTextEdit(this);

    HbStyle::setItemName(mTextEdit,"textEdit");

    HbFrameDrawer* frameDrawer = new HbFrameDrawer(EDITOR_FRAME, 

    		HbFrameDrawer::NinePieces);

    mEditorFrame = new HbFrameItem(frameDrawer,this);

    HbStyle::setItemName(mEditorFrame,"textEditFrame");

    mEditorFrame->setZValue(-1);

    // add "Send" action in VKB

    HbEditorInterface editorInterface(mTextEdit);

    HbAction *sendAction = new HbAction(HbIcon(SEND_ICON), QString(),this);

    connect(sendAction, SIGNAL(triggered()),this, SIGNAL(sendMessage()));

    editorInterface.addAction(sendAction);

    mGestureFilter = new HbGestureSceneFilter(Qt::LeftButton, this);

    mGestureFilter->setLongpressAnimation(true);

    HbGesture *gesture = new HbGesture(HbGesture::longpress, 0);

    mGestureFilter->addGesture(gesture);

    connect(gesture, SIGNAL(longPress(QPointF)), this, SLOT(longPressed(QPointF)));

    connect(mTextEdit, SIGNAL(contentsChanged()), this, SLOT(onTextChanged()));

    mfs.Connect();

    mfs.ShareProtected();

    mMmsInsertCheckOp = new MmsInsertCheckOperation;

}

MsgUnifiedEditorBody::~MsgUnifiedEditorBody()

{

    style()->unregisterPlugin(mPluginPath);

    delete mMmsInsertCheckOp;

    delete mProcessImageOperation;

    delete mMediaResolver;

    delete mImageInfo;

    //Close has to be called after ProcessImageOperation object is deleted

    mfs.Close();

}

QString MsgUnifiedEditorBody::text()

{

    return mTextEdit->toPlainText();

}

void MsgUnifiedEditorBody::setImage(QString& imagefile)

{

    if (!mImageInfo)

     {

        setImage(true);

        mImageFile = imagefile;

        if (mIconItem)

        {

            delete mIconItem;

            mIconItem = NULL;

            mImageSize = 0;

        }

        int error = KErrNone;

        if( !mProcessImageOperation )

        {

        TRAP(error,mProcessImageOperation = 

            CUniEditorProcessImageOperation::NewL(*this, mfs));

        }

        if( !mMediaResolver && error == KErrNone )

        {

        TRAP(error,mMediaResolver = CMsgMediaResolver::NewL());

        }

        if( error == KErrNone)

        {

            mMediaResolver->SetCharacterSetRecognition(EFalse);

            RFile file;

            HBufC *name = S60QConversions::qStringToS60Desc(imagefile);

            file.Open(mfs, *name, EFileWrite);

            TRAP(error,mImageInfo = static_cast<CMsgImageInfo*>

            (mMediaResolver->CreateMediaInfoL(file)));

            if (error == KErrNone)

            {

                TRAP(error, mMediaResolver->ParseInfoDetailsL(mImageInfo, file));

            }

            file.Close();

            delete name;

        }

        if (error == KErrNone)

        {

            mSavedImageFile = imagefile;

            startResizeAnimation();

            mProcessImageOperation->Process(mImageInfo);

        }

        else

        {

            delete mImageInfo;

            mImageInfo = NULL;

            mSavedImageFile.clear();

            handleSetImage();

        }

    }

}

void MsgUnifiedEditorBody::handleSetImage()

{   

    //check for insert conformance

    if(EInsertSuccess != mMmsInsertCheckOp->checkModeForInsert(mImageFile))

        return;

    int msgSize = messageSize();

    QFileInfo fileinfo(mImageFile);

    int imageSize = fileinfo.size() + KEstimatedMimeHeaderSize;

    if ( (imageSize + msgSize) <= MsgMonitor::maxMmsSize())

    {

        mImageSize = imageSize;

    }

    else

    {

        mImageFile.clear();

        setImage(false);

        //Show appropriate note and leave

        return;

    }

    mIconItem = new HbIconItem(this);

    mIconItem->hide();

    //mIconItem->setIconName(mImageFile);

    QPixmap pixmap(mImageFile);

    mIconItem->setIcon(HbIcon(pixmap));

    HbStyle::setItemName(mIconItem, "pixmap");

    mIconItem->setAlignment(Qt::AlignHCenter | Qt::AlignTop);

    mIconItem->installSceneEventFilter(mGestureFilter);

    // repolish the body widget

    this->repolish();

    // emit signal to indicate addition of mms content

    emit mmContentAdded(true);

    // emit signal to indicate new body size

    emit sizeChanged(bodySize());

}

void MsgUnifiedEditorBody::setAudio(QString& audiofile)

{

    //check for insert conformance

    if(EInsertSuccess != mMmsInsertCheckOp->checkModeForInsert(audiofile))

        return;

    setAudio(true);

    mAudioFile = audiofile;

    if(mAudioItem)

    {

        delete mAudioItem;

        mAudioItem = NULL;

        mAudioSize = 0;

    }

    //TODO: Add conformance checks before calculating the size    

    int msgSize = messageSize();

    QFileInfo fileinfo(mAudioFile);

    int audioSize = fileinfo.size() + KEstimatedMimeHeaderSize;

    if((audioSize + msgSize) <= MsgMonitor::maxMmsSize() )

    {

    	mAudioSize = audioSize;

    }

    else

    {

    	mAudioFile.clear();

    	setAudio(false);

    	//Show appropriate note and leave

    	return;

    }    

    HbIconItem* audioIcon = new HbIconItem(":/qtg_mono_audio.svg");

    mAudioItem = new HbPushButton(this);

    mAudioItem->hide();

    HbStyle::setItemName(mAudioItem,"audioItem");

    mAudioItem->setIcon(audioIcon->icon());

    mAudioItem->setText(fileinfo.baseName());

    //TODO: get actual play-time from utility

    mAudioItem->setAdditionalText("00:00");

    mAudioItem->setTextAlignment(Qt::AlignVCenter | Qt::AlignLeft);

    connect(mAudioItem, SIGNAL(longPress(QPointF)), this, SLOT(longPressed(QPointF)));

    // repolish the body widget

    this->repolish();

    // emit signal to indicate addition of mms content

    emit mmContentAdded(true);

    // emit signal to indicate new body size

    emit sizeChanged(bodySize());

}

void MsgUnifiedEditorBody::setVideo(QString& videofile)

{

    //check for insert conformance

    if(EInsertSuccess != mMmsInsertCheckOp->checkModeForInsert(videofile))

        return;

    // update the media file-list

    mVideoFile = videofile;

    //TODO: Add conformance checks before calculating the size    

    int msgSize = messageSize();

    QFileInfo fileinfo(mVideoFile);

    int videoSize = fileinfo.size() + KEstimatedMimeHeaderSize;

    if((videoSize + msgSize) <= MsgMonitor::maxMmsSize() )    

    {

    	mVideoSize = videoSize;

    }

    else

    {

    	//Show appropriate note and leave

    	return;

    }    

    //TODO: create video item instance

    // repolish the body widget

    this->repolish();

    // emit signal to indicate addition of mms content

    emit mmContentAdded(true);

    // emit signal to indicate new body size

    emit sizeChanged(bodySize());

}

void MsgUnifiedEditorBody::setText(QString& text)

{

	mTextEdit->setPlainText(text);

}

const QStringList MsgUnifiedEditorBody::mediaContent()

{

    QStringList mediaFiles;

    // Pick mImageFile only if mSavedImageFile is empty 

    // as it means we are not in middle of resizing

    if (mHasImage && mSavedImageFile.isEmpty()) 

        mediaFiles << mImageFile;

    if(mHasAudio)

        mediaFiles << mAudioFile;

    //TODO: append video content

    return mediaFiles;

}

QSizeF MsgUnifiedEditorBody::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const

{

    QSizeF szHint = HbWidget::sizeHint(which,constraint);

    QList<HbMainWindow *> windowList = hbInstance->allMainWindows();

    HbMainWindow* mMainWindow = windowList[0];

    qreal leftMargin = 0.0;

    qreal rightMargin = 0.0;

    qreal chromeHeight = 0.0;

    qreal toolbarHeight = 0.0;

    qreal bodyItemSpacing = 0.0;

    style()->parameter("hb-param-margin-gene-left",leftMargin);

    style()->parameter("hb-param-margin-gene-right",rightMargin);

    style()->parameter("hb-param-widget-chrome-height",chromeHeight);

    style()->parameter("hb-param-widget-toolbar-height",toolbarHeight);

    style()->parameter("hb-param-margin-gene-middle-vertical",bodyItemSpacing);

    HbDeviceProfile prf = HbDeviceProfile::profile(mMainWindow);

    qreal unt = prf.unitValue();

    // Note: With NGA, the orientation change does not cause HW to switch orientation.

    // So, the HW resolution also remains unchanged. We need to swap values of width &

    // height to map portrait resolution to landscape resolution.

    qreal maxWidth = 0.0, maxHeight = 0.0;

    // Landscape

    if(mMainWindow->orientation() == Qt::Horizontal)

        {

        maxHeight = mMainWindow->width()-chromeHeight-toolbarHeight;

        maxWidth = (mMainWindow->height()-leftMargin-rightMargin-(2*unt))/2;

        }

    else

    {

        maxWidth = mMainWindow->width()-leftMargin-rightMargin;

        maxHeight = mMainWindow->height()-chromeHeight-toolbarHeight;

    }

    szHint.setHeight(maxHeight);

    // add space for audio

    if(mAudioItem)

    {

		if(mMainWindow->orientation() == Qt::Horizontal)

		{

			mAudioItem->setStretched(true);

		}

		else

		{

			mAudioItem->setStretched(false);

		}

        QSizeF audioSize = mAudioItem->effectiveSizeHint(which, constraint);

        szHint.rheight() += (audioSize.height() + bodyItemSpacing);

        mAudioItem->show();

    }

    if(mIconItem)

        {

        QSizeF imageSize(0.0,0.0);

        QSizeF defaultImageSize(QImageReader(mImageFile).size());

        if(!defaultImageSize.isEmpty())

            {

            imageSize.setWidth(maxWidth);

            if(mMainWindow->orientation() == Qt::Vertical)

            {

                szHint.rheight() += bodyItemSpacing;

            }

            qreal newHeight = 0.0;

            if(defaultImageSize.width() <= imageSize.width())

            {

                // resize not needed

                newHeight = qMin(defaultImageSize.height(), maxHeight);

                imageSize.setHeight(newHeight);

            }

            else

            {

                // keep aspect-ratio and resize

                newHeight = imageSize.width()*(defaultImageSize.height()/defaultImageSize.width());

                newHeight = qMin(newHeight,maxHeight);

                imageSize.setHeight(newHeight);

            }

            if(newHeight == maxHeight)

            {

                qreal newWidth = defaultImageSize.width()*newHeight/defaultImageSize.height();

                imageSize.setWidth(newWidth);

            }

            mIconItem->setPreferredSize(imageSize);

            mIconItem->setSize(imageSize);

            if(mMainWindow->orientation() == Qt::Horizontal)

            {

                QPointF currPos = mIconItem->pos();

                currPos.setX(leftMargin+((maxWidth-imageSize.width())/2));

                mIconItem->setPos(currPos);

            }

            mIconItem->show();

            szHint.rheight() += imageSize.height();

        }

    }

    mTextEdit->setMinimumHeight(maxHeight);

    szHint.rheight() += bodyItemSpacing;

    return szHint;

}

void MsgUnifiedEditorBody::longPressed(QPointF position)

{

    HbMenu* menu = new HbMenu;

    menu->addAction(LOC_COMMON_OPEN, this, SLOT(openMedia()));

    menu->addAction(LOC_REMOVE_ATTACHMENT, this, SLOT(removeMedia()));

    menu->addAction(LOC_COMMON_DETAILS, this, SLOT(viewDetails()));

    menu->setDismissPolicy(HbPopup::TapAnywhere);

    menu->setAttribute(Qt::WA_DeleteOnClose, true);

    menu->setPreferredPos(position);

    menu->setObjectName(getHitRegion(position));

    menu->show();

}

void MsgUnifiedEditorBody::removeMedia()

{

    HbAction* action = qobject_cast<HbAction*>(sender());

    QString objName = action->parent()->objectName();

    if(objName == IMAGE_REGION)

    {

        mImageFile.clear();

        if(mIconItem)

        {

            mIconItem->removeSceneEventFilter(mGestureFilter);

            delete mIconItem;

            mIconItem = NULL;

        }

        setImage(false);

        mImageSize = 0;

    }

    else if(objName == AUDIO_REGION)

    {

        mAudioFile.clear();

        if(mAudioItem)

        {

            delete mAudioItem;

            mAudioItem = NULL;

        }

        setAudio(false);

        mAudioSize = 0;

    }

    else if(objName == VIDEO_REGION)

    {

        //TODO: complete this with video handling story

    }

    else

    {

        // return without doing anything

        return;

    }

    this->repolish();

	emit mmContentAdded(false);

    // emit signal to indicate new body size

    emit sizeChanged(bodySize());

}

void MsgUnifiedEditorBody::openMedia()

{

    //open corresponding viewer app.

}

void MsgUnifiedEditorBody::viewDetails()

{

    //open details view.

}

bool MsgUnifiedEditorBody::hasImage()

{

    return mHasImage;

}

void MsgUnifiedEditorBody::setImage(bool image)

{

    mHasImage = image;

}

bool MsgUnifiedEditorBody::hasAudio()

{

    return mHasAudio;

}

void MsgUnifiedEditorBody::setAudio(bool audio)