/*

 * 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 <HbTextItem>

#include <HbFrameItem>

#include <HbFrameDrawer>

#include <HbIconItem>

#include <HbAction>

#include <HbMainWindow>

#include <HbDeviceProfile>

#include <QImageReader>

#include <QFileInfo>

#include <MsgMediaResolver.h>

#include <MsgImageInfo.h>

#include <HbIconAnimationManager>

#include <HbIconAnimator>

#include <HbIcon>

#include <QGraphicsLinearLayout>

#include <HbNotificationDialog>

#include <csmsaccount.h>

#include <smutset.h>

#include <xqaiwrequest.h>

#include <xqrequestinfo.h>

#include <xqsharablefile.h>

#include <xqappmgr.h>

#include <xqconversions.h>

#include <hbmessagebox.h>

#include <hbcolorscheme.h>

#include <QColor>

// USER INCLUDES

#include "msgunieditorbody.h"

#include "UniEditorGenUtils.h"

#include "UniSendingSettings.h"

#include "msgunieditormonitor.h"

#include "mmsconformancecheck.h"

#include "unieditorpluginloader.h"

#include "unieditorplugininterface.h"

#include "convergedmessage.h"

#include "msgmediautil.h"

#include "msgunieditorpixmapwidget.h"

#include "msgunieditoraudiowidget.h"

// Constants

const QString BACKGROUND_FRAME("qtg_fr_messaging_char_count");

const QString CHAR_COUNTER_COLOR("qtc_messaging_char_count");

const int KShowCounterLimit = 10;

const int BYTES_TO_KBYTES_FACTOR = 1024; 

//Localized Constants for item specific menu

#define LOC_TITLE   hbTrId("txt_messaging_title_messaging")

#define LOC_UNABLE_TO_ADD_CONTENT hbTrId("txt_messaging_dpopinfo_unable_to_add_more_content")

#define LOC_UNABLE_TO_ATTACH_ITEM hbTrId("txt_messaging_dpopinfo_unable_to_attach_item_avai")

#define LOC_PROCESSING hbTrId("txt_messaging_formlabel_loading")

#define LOC_HINT_TEXT hbTrId("txt_messaging_formlabel_enter_message_here")

#define LOC_ATTACHED_PHOTO_SIZE hbTrId("txt_messaging_dpopinfo_attached_photo_size_is_l1")

const QString ANIMATION_ICON("qtg_anim_loading");

const QString ANIMATION_FILE(":/qtg_anim_loading.axml");

// LOCAL FUNCTIONS

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

// showInsertFailureNote

// @return fullPath of unified editor's temporary dir

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

void showInsertFailureNote()

{

    int availableSize =

            (MsgUnifiedEditorMonitor::maxMmsSize() - MsgUnifiedEditorMonitor::messageSize())

            /BYTES_TO_KBYTES_FACTOR;

    QString displayStr = QString(LOC_UNABLE_TO_ATTACH_ITEM)

            .arg(availableSize);

    HbMessageBox::information(displayStr, 0, 0, HbMessageBox::Ok);

}

MsgUnifiedEditorBody::MsgUnifiedEditorBody( QGraphicsItem *parent ) :

MsgUnifiedEditorBaseWidget(parent),

mHasImage(false),

mHasAudio(false),

mTextEdit(0),

mPixmapItem(0),

mAudioItem(0),

mImageSize(0),

mAudioSize(0),

mVideoSize(0),

mProcessImageOperation(0),

mMediaResolver(0),

mImageInfo(0),

mProcessingWidget(0),

mDraftMessage(false),

mIsImageResizing(false)

{

    mTextEdit = new HbTextEdit(this);

    mTextEdit->setPlaceholderText(LOC_HINT_TEXT);

    mTextEdit->setFontSpec(HbFontSpec(HbFontSpec::Secondary));

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

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

    mMmsConformanceCheck = new MmsConformanceCheck;

    mCharCounter = new HbTextItem(this);

    HbStyle::setItemName(mCharCounter, "charCounter");

    mCharCounter->setZValue(1.5);

    QColor color = HbColorScheme::color(CHAR_COUNTER_COLOR);

    mCharCounter->setTextColor(color);

    mBackgroundItem = new HbFrameItem(this);

    HbStyle::setItemName(mBackgroundItem, "charCounterFrame");

    mBackgroundItem->frameDrawer().setFrameType(HbFrameDrawer::ThreePiecesHorizontal);

    mBackgroundItem->frameDrawer().setFillWholeRect(true);

    mBackgroundItem->frameDrawer().setFrameGraphicsName(BACKGROUND_FRAME);

    mPluginLoader = new UniEditorPluginLoader(this);

    mPluginInterface =

                        mPluginLoader->getUniEditorPlugin(ConvergedMessage::Sms);    

    TRAP_IGNORE(

    CSmsSettings* settings = CSmsSettings::NewLC();

    CSmsAccount* account = CSmsAccount::NewLC();

    account->LoadSettingsL( *settings );

    if( settings->CharacterSet() == TSmsDataCodingScheme::ESmsAlphabetUCS2)

    {

    mCharSupportType = TUniSendingSettings::EUniCharSupportFull;

    }

    else

    {

    mCharSupportType = TUniSendingSettings::EUniCharSupportReduced;

    }

    CleanupStack::PopAndDestroy( account );

    CleanupStack::PopAndDestroy( settings );                

    );

    mCharCounter->setVisible(false);

    mBackgroundItem->setVisible(false);

}

MsgUnifiedEditorBody::~MsgUnifiedEditorBody()

{

    delete mMmsConformanceCheck;

    delete mProcessImageOperation;

    delete mMediaResolver;

    delete mImageInfo;

}

QString MsgUnifiedEditorBody::text()

{

    return mTextEdit->toPlainText();

}

void MsgUnifiedEditorBody::setImage(QString& imagefile, bool draftMessage)

    {

    // do nothing if filepath is empty

    if (imagefile.isEmpty())

        {

        return;

        }

    mDraftMessage = draftMessage;

    if (!mImageInfo)

        {

        setImage(true);

        mImageFile = imagefile;

        if (mPixmapItem)

            {

            mPixmapItem->setParent(NULL);

            delete mPixmapItem;

            mPixmapItem = NULL;

            mImageSize = 0;

            }

        int error = KErrNone;

        if (!mDraftMessage)

            {

        // if image is in draft, no need to resize it because it is resized already

            if (!mProcessImageOperation)

                {

                TRAP(error,mProcessImageOperation =

                        CUniEditorProcessImageOperation::NewL(*this));

                }

            if (!mMediaResolver && error == KErrNone)

                {

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

                }

            if (error == KErrNone)

                {

                mMediaResolver->SetCharacterSetRecognition(EFalse);

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

                RFile file;

                TRAP(error, file = mMediaResolver->FileHandleL(*name));

                if (error == KErrNone)

                    {

                    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 && !mDraftMessage)

            {

            mSavedImageFile = imagefile;

            startResizeAnimation();

            mIsImageResizing = true;

            mProcessImageOperation->Process(mImageInfo);

            }

        else

            {

            if (mImageInfo)

                {

                delete mImageInfo;

                mImageInfo = NULL;

                }

            mSavedImageFile.clear();

            handleSetImage();

            }

        }

    }

void MsgUnifiedEditorBody::handleSetImage()

{   

    //check for insert conformance

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

        return;

    int msgSize = messageSize();

    QFileInfo fileinfo(mImageFile);

    int imageSize = fileinfo.size() + KEstimatedMimeHeaderSize;

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

    {

        mImageSize = imageSize;

    }

    else

    {

        mImageFile.clear();

        setImage(false);

        //Show appropriate note and leave

        showInsertFailureNote();

        return;

    }

    mPixmapItem = new MsgUnifiedEditorPixmapWidget(this);

    mPixmapItem->hide();

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

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

    mPixmapItem->populate(mImageFile);

    connect(mPixmapItem,SIGNAL(remove()),this,SLOT(removeMedia()));

    // repolish the body widget

    this->repolish();

    // emit signal to indicate addition of image

    emit contentChanged();

}

void MsgUnifiedEditorBody::setAudio(QString& audiofile)

{

    // do nothing if filepath is empty

    if(audiofile.isEmpty())

    {

        return;

    }

    //check for insert conformance

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

        return;

    setAudio(true);

    mAudioFile = audiofile;

    if(mAudioItem)

    {

        mAudioItem->setParent(NULL);

        delete mAudioItem;

        mAudioItem = NULL;

        mAudioSize = 0;

    }

    int msgSize = messageSize();

    QFileInfo fileinfo(mAudioFile);

    int audioSize = fileinfo.size() + KEstimatedMimeHeaderSize;

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

    {

    	mAudioSize = audioSize;

    }

    else

    {

    	mAudioFile.clear();

    	setAudio(false);

    	//Show appropriate note and leave

    	showInsertFailureNote();

    	return;

    }    

    mAudioItem = new MsgUniFiedEditorAudioWidget(this);

    mAudioItem->hide();

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

    mAudioItem->populate(mAudioFile);

    connect(mAudioItem,SIGNAL(remove()),this,SLOT(removeMedia()));

    // repolish the body widget

    this->repolish();

    // emit signal to indicate addition of audio

    emit contentChanged();

}

void MsgUnifiedEditorBody::setText(QString& text)

{

    if(!text.isEmpty())

    {    

        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;

    return mediaFiles;

}

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

{

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

    HbMainWindow* mMainWindow = this->mainWindow();    

    if(!mMainWindow)

    {

        return szHint;

    }

    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(mPixmapItem || mProcessingWidget)

        {

        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);

            }

            if(mPixmapItem)

            {

            mPixmapItem->setPreferredSize(imageSize);

            mPixmapItem->setSize(imageSize);

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

            {

                QPointF currPos = mPixmapItem->pos();

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

                mPixmapItem->setPos(currPos);

            }

            mPixmapItem->show();

            }

            if(mProcessingWidget)

            {

                imageSize.setHeight(mProcessingWidget->preferredHeight());

                mProcessingWidget->setPreferredSize(imageSize);

                mProcessingWidget->show();

            }

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

        }

    }

    mTextEdit->setMinimumHeight(maxHeight);

    szHint.rheight() += bodyItemSpacing;

    return szHint;

}

void MsgUnifiedEditorBody::removeMedia()

{

    QObject* senderObject = sender();

    MsgUnifiedEditorPixmapWidget* pixmap = 

        qobject_cast<MsgUnifiedEditorPixmapWidget*>(senderObject);

    MsgUniFiedEditorAudioWidget* audio = 

        qobject_cast<MsgUniFiedEditorAudioWidget*>(senderObject);

    if(pixmap) //remove image

    {

        mImageFile.clear();

        if(mPixmapItem)

        {

            mPixmapItem->setParent(NULL);

            delete mPixmapItem;

            mPixmapItem = NULL;

        }

        setImage(false);

        mImageSize = 0;

    }

    else if(audio)//remove audio item