messagingapp/msgui/unifiededitor/src/msgunieditorbody.cpp
changeset 31 ebfee66fde93
child 34 84197e66a4bd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/unifiededitor/src/msgunieditorbody.cpp	Fri Jun 04 10:25:39 2010 +0100
@@ -0,0 +1,880 @@
+/*
+ * 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 <HbPushButton>
+#include <HbAction>
+#include <hbinputeditorinterface.h>
+//#include <HbGestureSceneFilter>
+//#include <HbGesture>
+#include <HbMenu>
+#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>
+
+// USER INCLUDES
+#include "msgunieditorbody.h"
+#include "UniEditorGenUtils.h"
+#include "unisendingsettings.h"
+#include "msgmonitor.h"
+#include "s60qconversions.h"
+#include "mmsconformancecheck.h"
+#include "unieditorpluginloader.h"
+#include "unieditorplugininterface.h"
+#include "convergedmessage.h"
+#include "msgmediautil.h"
+
+// Constants
+const QString EDITOR_FRAME("qtg_fr_lineedit_normal");
+const QString BACKGROUND_FRAME("qtg_fr_btn_normal");
+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");
+const int KShowCounterLimit = 10;
+const int BYTES_TO_KBYTES_FACTOR = 1024; 
+
+//Localized Constants for item specific menu
+#define LOC_OPEN    hbTrId("txt_common_menu_open")
+#define LOC_REMOVE  hbTrId("txt_common_menu_remove")
+#define LOC_DETAILS hbTrId("txt_common_menu_details")
+#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")
+
+const QString AUDIO_ICON("qtg_mono_audio");
+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 =
+            (MsgMonitor::maxMmsSize() - MsgMonitor::messageSize())
+            /BYTES_TO_KBYTES_FACTOR;
+    QString displayStr = QString(LOC_UNABLE_TO_ATTACH_ITEM)
+            .arg(availableSize);
+    HbNotificationDialog* dlg = new HbNotificationDialog();
+    dlg->setFocusPolicy(Qt::NoFocus);
+    dlg->setDismissPolicy(HbPopup::TapAnywhere);
+    dlg->setAttribute(Qt::WA_DeleteOnClose, true);
+    dlg->setText(displayStr);
+    dlg->show();
+}
+
+
+MsgUnifiedEditorBody::MsgUnifiedEditorBody( QGraphicsItem *parent ) :
+MsgUnifiedEditorBaseWidget(parent),
+mHasImage(false),
+mHasAudio(false),
+mTextEdit(0),
+mEditorFrame(0),
+mIconItem(0),
+mAudioItem(0),
+mImageSize(0),
+mAudioSize(0),
+mVideoSize(0),
+mProcessImageOperation(0),
+mMediaResolver(0),
+mImageInfo(0),
+mProcessingWidget(0)
+{
+    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, 5);
+    mGestureFilter->addGesture(gesture);
+    connect(gesture, SIGNAL(longPress(QPointF)), this, SLOT(longPressed(QPointF)));*/
+    connect(mTextEdit, SIGNAL(contentsChanged()), this, SLOT(onTextChanged()));
+
+    mMmsConformanceCheck = new MmsConformanceCheck;
+    
+    mCharCounter = new HbTextItem(this);
+    HbStyle::setItemName(mCharCounter, "charCounter");
+    mCharCounter->setZValue(1.5);
+    mCharCounter->setText("160(1)");
+    
+    mBackgroundItem = new HbFrameItem(this);
+    HbStyle::setItemName(mBackgroundItem, "charCounterFrame");
+
+    mBackgroundItem->frameDrawer().setFrameType(HbFrameDrawer::NinePieces);
+    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)
+{
+    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));
+        }
+        if( !mMediaResolver && error == KErrNone )
+        {
+        TRAP(error,mMediaResolver = CMsgMediaResolver::NewL());
+        }
+
+        if( error == KErrNone)
+        {
+            mMediaResolver->SetCharacterSetRecognition(EFalse);
+            HBufC *name = S60QConversions::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)
+        {
+            mSavedImageFile = imagefile;
+            startResizeAnimation();
+            mProcessImageOperation->Process(mImageInfo);
+        }
+        else
+        {
+            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) <= MsgMonitor::maxMmsSize())
+    {
+        mImageSize = imageSize;
+    }
+    else
+    {
+        mImageFile.clear();
+        setImage(false);
+        //Show appropriate note and leave
+        showInsertFailureNote();
+        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 image
+    emit contentChanged();
+}
+
+void MsgUnifiedEditorBody::setAudio(QString& audiofile)
+{
+    //check for insert conformance
+    if(EInsertSuccess != mMmsConformanceCheck->checkModeForInsert(audiofile))
+        return;
+
+    setAudio(true);
+    mAudioFile = audiofile;
+    if(mAudioItem)
+    {
+        delete mAudioItem;
+        mAudioItem = NULL;
+        mAudioSize = 0;
+    }
+
+    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
+    	showInsertFailureNote();
+    	return;
+    }    
+
+    HbIconItem* audioIcon = new HbIconItem(AUDIO_ICON);
+    mAudioItem = new HbPushButton(this);
+    mAudioItem->hide();
+    HbStyle::setItemName(mAudioItem,"audioItem");
+    mAudioItem->setIcon(audioIcon->icon());
+    mAudioItem->setText(fileinfo.baseName());
+    MsgMediaUtil mediaUtil;
+    mAudioItem->setAdditionalText(mediaUtil.mediaDuration(mAudioFile));
+    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 audio
+    emit contentChanged();
+}
+
+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);
+
+    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(mIconItem || 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(mIconItem)
+            {
+            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();
+            }
+            
+            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::longPressed(QPointF position)
+{
+    HbMenu* menu = new HbMenu;
+    menu->addAction(LOC_OPEN, this, SLOT(openMedia()));
+    menu->addAction(LOC_REMOVE, this, SLOT(removeMedia()));
+    menu->addAction(LOC_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 contentChanged();
+}
+
+//---------------------------------------------------------------
+// MsgUnifiedEditorBody :: openMedia
+// @see header file
+//---------------------------------------------------------------
+void MsgUnifiedEditorBody::openMedia()
+{
+    HbAction* action = qobject_cast<HbAction*>(sender());
+    QString objName = action->parent()->objectName();
+    
+    QString fileName;
+    if ( objName == IMAGE_REGION )
+    {
+        fileName = mImageFile;
+    }
+    else if ( objName == AUDIO_REGION )
+    {
+        fileName = mAudioFile;
+    }
+    else
+    {
+        return;
+    }
+    
+    XQSharableFile sf;
+    XQAiwRequest* request = 0;
+
+    if ( !sf.open(fileName) ) 
+        {
+        return;
+        }
+
+    // Get handlers
+    XQApplicationManager appManager;
+    QList<XQAiwInterfaceDescriptor> fileHandlers = appManager.list(sf);
+    if (fileHandlers.count() > 0)
+        {
+        XQAiwInterfaceDescriptor d = fileHandlers.first();
+        request = appManager.create(sf, d);
+    
+        if ( !request )
+            {
+            sf.close();
+            return ;
+            }
+        }
+    else
+        {
+        sf.close();
+        return;
+        }
+
+    // Result handlers
+    connect (request, SIGNAL(requestOk(const QVariant&)), 
+            this, SLOT(handleOk(const QVariant&)));
+    connect (request, SIGNAL(requestError(const QVariant&)), 
+            this, SLOT(handleError(const QVariant&)));
+
+    request->setEmbedded(true);
+    request->setSynchronous(true);
+
+    // Fill args
+    QList<QVariant> args;
+    args << qVariantFromValue(sf);
+    request->setArguments(args);
+
+    // Fill headers
+    QString key("WindowTitle");
+    QVariant value(QString(LOC_TITLE));
+    XQRequestInfo info;
+    info.setInfo(key, value);
+    request->setInfo(info);
+    
+    request->send();
+    
+    // Cleanup
+    sf.close();
+    delete request;
+}
+
+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)
+{
+    mHasAudio = audio;
+}
+
+int MsgUnifiedEditorBody::bodySize()
+{
+	int bodysize = 0;
+	
+	if( mImageSize || mTextEdit->toPlainText().size() || 
+	    mAudioSize || mVideoSize )
+	{
+	   UniEditorGenUtils* uniEditorGenUtils = new UniEditorGenUtils;
+        bodysize +=  mImageSize + mAudioSize + mVideoSize +
+            uniEditorGenUtils->UTF8Size(mTextEdit->toPlainText()) +
+            KEstimatedMimeHeaderSize + KEstimatedMmsSmilHeaderSize;
+        delete uniEditorGenUtils;
+	}
+	return bodysize;
+}
+
+int MsgUnifiedEditorBody::messageSize()
+{
+    int estimatedMediaSize = bodySize();
+    if(!estimatedMediaSize)
+    {
+        // This is the first media content to be inserted
+        estimatedMediaSize = KEstimatedMmsSmilHeaderSize;
+    }
+    
+    return estimatedMediaSize + MsgMonitor::subjectSize() + MsgMonitor::containerSize();
+}
+
+QString MsgUnifiedEditorBody::getHitRegion(QPointF position)
+{
+    if(mIconItem)
+    {
+        QPolygonF imageHitRegion = mIconItem->mapToScene(mIconItem->boundingRect());
+        if(imageHitRegion.containsPoint(position, Qt::OddEvenFill))
+        {
+            return IMAGE_REGION;
+        }
+    }
+
+    if(mAudioItem)
+    {
+        QPolygonF audioHitRegion = mAudioItem->mapToScene(mAudioItem->boundingRect());
+        if(audioHitRegion.containsPoint(position, Qt::OddEvenFill))
+        {
+            return AUDIO_REGION;
+        }
+    }
+
+    //TODO : add hit test for video region with video userstory
+
+    return INVALID_REGION;
+}
+
+void MsgUnifiedEditorBody::onTextChanged()
+{   
+    QString string = text();
+
+    if( string.size() > mPrevBuffer.size() &&
+        MsgMonitor::messageType() == ConvergedMessage::Mms )
+    {
+        // reject any text input if mms size limit is reached
+        int futureSize = bodySize() +
+                MsgMonitor::containerSize() + MsgMonitor::subjectSize();
+        if(futureSize > MsgMonitor::maxMmsSize())
+        {
+            mTextEdit->setPlainText(mPrevBuffer);
+            HbNotificationDialog::launchDialog(LOC_UNABLE_TO_ADD_CONTENT);
+            mTextEdit->setCursorPosition(mPrevBuffer.length());
+            return;
+        }
+        else if(!mPrevBuffer.isEmpty())
+        {
+            //Save the previous buffer
+            mPrevBuffer = string;
+            // emit signal to indicate change in content
+            emit contentChanged();
+            return;
+        }
+    }
+
+    //Check done for optimization
+    //Only if content is deleted we need to call encodingsettings again
+    if (mPrevBuffer.isEmpty() || string.size() <= mPrevBuffer.size())
+    {
+        mPluginInterface->setEncodingSettings(EFalse, ESmsEncodingNone,
+            mCharSupportType);
+    }
+
+    TInt numOfRemainingChars;
+    TInt numOfPDUs;
+    TBool unicodeMode;
+    TSmsEncoding alternativeEncodingType;
+    mPluginInterface->getNumPDUs(string, numOfRemainingChars, numOfPDUs,
+        unicodeMode, alternativeEncodingType);
+
+    //Save the unicode value returned
+    mUnicode = unicodeMode;
+    //Save the old buffer
+    mPrevBuffer = string;
+    
+    // emit signal to indicate change in content
+    emit contentChanged();
+    
+    if(MsgMonitor::messageType() == ConvergedMessage::Sms)
+    {
+        //Set char counter value
+        QString display = QString("%1(%2)").arg(numOfRemainingChars).arg(
+            numOfPDUs);
+        mCharCounter->setText(display);
+        
+        if (numOfPDUs > 1 || numOfRemainingChars <= KShowCounterLimit)
+        {
+            mCharCounter->setVisible(true);
+            mBackgroundItem->setVisible(true);
+        }
+        else
+        {
+            mCharCounter->setVisible(false);
+            mBackgroundItem->setVisible(false);
+        }
+    }
+}
+
+void MsgUnifiedEditorBody::EditorOperationEvent(
+    TUniEditorProcessImageOperationEvent aEvent, TFileName aFileName)
+{
+    stopResizeAnimation();
+    
+    delete mImageInfo;
+    mImageInfo = NULL;
+
+    if (aEvent == EUniEditorProcessImageOperationComplete && 
+            aFileName.Length() > 0)
+    {
+        mImageFile = S60QConversions::s60DescToQString(aFileName);
+    }
+    else
+    {
+        mImageFile = mSavedImageFile;
+    }
+    mSavedImageFile.clear();
+    //handle the processed image from ProcessImage Operation
+    handleSetImage();
+}
+
+void MsgUnifiedEditorBody::startResizeAnimation()
+{
+    QGraphicsLinearLayout* processingLayout = new QGraphicsLinearLayout(Qt::Vertical);
+    
+    mProcessingWidget = new HbWidget(this);
+    HbStyle::setItemName(mProcessingWidget,"pixmap"); 
+    mProcessingWidget->hide();
+    mProcessingWidget->setLayout(processingLayout);
+    
+    HbTextItem* processingText = new HbTextItem(LOC_PROCESSING,mProcessingWidget);
+    processingText->setAlignment(Qt::AlignCenter);
+    processingLayout->addItem(processingText);
+    
+    HbIconItem* animationItem = new HbIconItem(ANIMATION_ICON,mProcessingWidget);
+    processingLayout->addItem(animationItem);
+    
+    HbIconAnimator& iconAnimator = animationItem->animator();
+    HbIconAnimationManager* iconAnimationManager = HbIconAnimationManager::global();
+    iconAnimationManager->addDefinitionFile(ANIMATION_FILE);
+    
+    iconAnimator.startAnimation();
+    
+    this->repolish();    
+}
+
+void MsgUnifiedEditorBody::stopResizeAnimation()
+{
+    if(mProcessingWidget)
+    {
+        delete mProcessingWidget;
+        mProcessingWidget = NULL;
+    }
+}
+
+// ---------------------------------------------------------
+// MsgUnifiedEditorBody::isUnicode
+// ---------------------------------------------------------
+//
+bool MsgUnifiedEditorBody::isUnicode()
+{
+    return mUnicode;
+}
+
+// ---------------------------------------------------------
+// MsgUnifiedEditorBody::disableCharCounter
+// ---------------------------------------------------------
+//
+void MsgUnifiedEditorBody::disableCharCounter()
+{
+    mCharCounter->setVisible(false);
+    mBackgroundItem->setVisible(false);
+}
+
+//---------------------------------------------------------------
+// MsgUnifiedEditorBody :: handleOk
+// @see header file
+//---------------------------------------------------------------
+void MsgUnifiedEditorBody::handleOk(const QVariant& result)
+{
+    Q_UNUSED(result)
+}
+
+//---------------------------------------------------------------
+// MsgUnifiedEditorBody :: handleError
+// @see header file
+//---------------------------------------------------------------
+void MsgUnifiedEditorBody::handleError(int errorCode, 
+    const QString& errorMessage)
+{
+    Q_UNUSED(errorMessage)
+    Q_UNUSED(errorCode)
+}
+
+//---------------------------------------------------------------
+// MsgUnifiedEditorBody :: setFocus
+// @see header file
+//---------------------------------------------------------------
+void MsgUnifiedEditorBody::setFocus()
+{
+    mTextEdit->setFocus(Qt::MouseFocusReason);
+}
+// EOF