/*

* 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:  Meeting request description field

 *

*/

#include "cesmrviewerdescriptionfield.h"

#include "esmrfieldbuilderdef.h"

#include "cesmrrichtextviewer.h"

#include "cesmrrichtextlink.h"

#include "mesmrlistobserver.h"

#include "cesmrlocationplugin.h"

#include "esmrconfig.hrh"

#include "cesmrfeaturesettings.h"

#include "cesmrfieldcommandevent.h"

#include "nmrlayoutmanager.h"

//<cmail>

#include "cesmrurlparserplugin.h"

//</cmail>

#include <calentry.h>

#include <AknUtils.h>

#include <StringLoader.h>

#include <esmrgui.rsg>

#include <avkon.rsg>

#include <txtrich.h>

#include "emailtrace.h"

// Unnamed namespace for local definitions and functions

namespace { // codescanner::namespace

const TInt KMargin (5);

}//namespace

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

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

// CESMRViewerDescriptionField::NewL()

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

//

CESMRViewerDescriptionField* CESMRViewerDescriptionField::NewL( )

    {

    FUNC_LOG;

    CESMRViewerDescriptionField* self = new (ELeave) CESMRViewerDescriptionField;

    CleanupStack::PushL (self );

    self->ConstructL ( );

    CleanupStack::Pop (self );

    return self;

    }

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

// CESMRViewerDescriptionField::~CESMRViewerDescriptionField()

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

//

CESMRViewerDescriptionField::~CESMRViewerDescriptionField( )

    {

    FUNC_LOG;

    delete iLocationPlugin;

    delete iFeatures;

    delete iUrlParser;

    }

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

// CESMRViewerDescriptionField::InitializeL()

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

//

void CESMRViewerDescriptionField::InitializeL()

    {

    FUNC_LOG;

    TAknLayoutText layoutText =

        NMRLayoutManager::GetLayoutText( Rect(), NMRLayoutManager::EMRTextLayoutMultiRowTextEditor );

    iRichTextViewer->SetFontL( layoutText.Font() );

    iRichTextViewer->ApplyLayoutChangesL();

    if ( IsFocused() )

        {

        iRichTextViewer->FocusChanged( EDrawNow );

        }

    iRichTextViewer->HandleTextChangedL();

    iRichTextViewer->SetEventQueue( iEventQueue );

    }

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

// CESMRViewerDescriptionField::InternalizeL()

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

//

void CESMRViewerDescriptionField::InternalizeL( MESMRCalEntry& aEntry )

    {

    FUNC_LOG;

    TPtrC text = aEntry.Entry().DescriptionL ( );

    if( text.Length() == 0 )

        {

        iObserver->HideControl( FieldId() );

        }

    else if ( FeaturesL().FeatureSupported(

                CESMRFeatureSettings::EESMRUIMnFwIntegration ) )

        {

        AddShowOnMapLinkL( aEntry );

        }

    else

        {

        TPtrC text = aEntry.Entry().DescriptionL();

        iRichTextViewer->SetTextL( &text, ETrue );

        iRichTextViewer->SetMargins( KMargin );

        iRichTextViewer->ApplyLayoutChangesL();

        }

    }

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

// CESMRViewerDescriptionField::OfferKeyEventL()

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

//

TKeyResponse CESMRViewerDescriptionField::OfferKeyEventL(

        const TKeyEvent& aEvent, TEventCode aType )

    {

    FUNC_LOG;

    TKeyResponse response = EKeyWasNotConsumed;

    response = iRichTextViewer->OfferKeyEventL ( aEvent, aType );

    //track up and down events to change MSK

    if ( aType == EEventKey )

        {

        if ( aEvent.iCode == EKeyUpArrow || aEvent.iCode == EKeyDownArrow )

            {

            if ( !iRichTextViewer->GetSelectedLink() )

                {

                // Restore default middle softkey if field does not contain link

                RestoreMiddleSoftKeyL();

                }

            }

        }

    return response;

    }

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

// CESMRViewerDescriptionField::MinimumSize()

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

//

TSize CESMRViewerDescriptionField::MinimumSize()

    {

    TRect rect( Parent()->Rect() );

    TRect listRect =

        NMRLayoutManager::GetLayoutRect( rect, NMRLayoutManager::EMRLayoutListArea ).Rect();

    TRect fieldRect =

        NMRLayoutManager::GetFieldLayoutRect( listRect, 1 ).Rect();

    TRect rowRect =

        NMRLayoutManager::GetFieldRowLayoutRect( fieldRect, 1 ).Rect();

    TRect viewerRect =

        NMRLayoutManager::GetLayoutText( rowRect, NMRLayoutManager::EMRTextLayoutMultiRowTextEditor ).TextRect();

    fieldRect.Resize( 0, iSize.iHeight - viewerRect.Height() );

    fieldRect.SetWidth( Parent()->Rect().Width() );

    return fieldRect.Size();

    }

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

// CESMRViewerDescriptionField::SizeChanged()

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

//

void CESMRViewerDescriptionField::SizeChanged()

    {

    // Store iRichTextViewer original width.

    TInt richTextViewerWidth = iRichTextViewer->Size().iWidth;

    TRect rect( Rect() );

    rect = NMRLayoutManager::GetFieldRowLayoutRect( rect, 1 ).Rect();

    TRect viewerRect =

        NMRLayoutManager::GetLayoutText(

                rect,

                NMRLayoutManager::EMRTextLayoutMultiRowTextEditor ).TextRect();

    TRect bgRect( viewerRect.iTl,

            TSize( viewerRect.Width(), iSize.iHeight ) );

    // Move focus rect so that it's relative to field's position.

    bgRect.Move( -Position() );

    // Setting Font for the rich text viewer

    TAknLayoutText text = NMRLayoutManager::GetLayoutText(

                Rect(),

                NMRLayoutManager::EMRTextLayoutTextEditor );

    // Failures are ignored.

    TRAP_IGNORE(

            // Try setting font

            iRichTextViewer->SetFontL( text.Font() );

            // Try applying changes

            iRichTextViewer->ApplyLayoutChangesL();

            );

    iRichTextViewer->SetRect(

            TRect( viewerRect.iTl,

                    TSize( viewerRect.Width(), iSize.iHeight ) ) );

    if ( iRichTextViewer->Size().iWidth != richTextViewerWidth )

        {

        // Most of this case is screen orientation, in this case we need to

        // Record the index of focusing link, after updating link array, then

        // reset the focusing to original one.

        TInt focusingIndex = iRichTextViewer->GetFocusLink();

        if ( KErrNotFound != focusingIndex )

            {

            iRichTextViewer->SetFocusLink( focusingIndex );

            //wake up current contact menu selection by calling this

            iRichTextViewer->FocusChanged(ENoDrawNow);

            }

        }

    }

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

// CESMRViewerDescriptionField::CountComponentControls()

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

//

TInt CESMRViewerDescriptionField::CountComponentControls() const

    {

    return 1;

    }

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

// CESMRViewerDescriptionField::ComponentControl()

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

//

CCoeControl* CESMRViewerDescriptionField::ComponentControl( TInt aIndex ) const

    {

    switch ( aIndex )

        {

        case 0:

            return iRichTextViewer;

        default:

            return NULL;

        }

    }

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

// CESMRViewerDescriptionField::HandleEdwinSizeEventL()

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

//

TBool CESMRViewerDescriptionField::HandleEdwinSizeEventL(CEikEdwin* /*aEdwin*/,

        TEdwinSizeEvent /*aType*/, TSize aSize )

    {

    FUNC_LOG;

    iSize = aSize;

    if ( iObserver && iDisableRedraw )

        {

        iObserver->ControlSizeChanged ( this );

        }

    if ( !iOutlineFocus )

        {

        RecordField();

        }

    return iDisableRedraw;

    }

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

// CESMRViewerDescriptionField::HandleRichTextLinkSelection

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

//

TBool CESMRViewerDescriptionField::HandleRichTextLinkSelection(

        const CESMRRichTextLink* aLink )

    {

    TBool result = EFalse;

    if ( aLink &&

         aLink->Type() == CESMRRichTextLink::ETypeLocationUrl )

        {

        TRAPD( error, ShowLocationOnMapL( *aLink ) )

        if ( error )

            {

            iCoeEnv->HandleError( error );

            }

        result = ETrue;

        }

    return result;

    }

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

// CESMRViewerDescriptionField::CESMRViewerDescriptionField()

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

//

CESMRViewerDescriptionField::CESMRViewerDescriptionField( )

    {

    FUNC_LOG;

    SetFieldId( EESMRFieldDescription );

    SetFocusType( EESMRHighlightFocus );

    }

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

// CESMRViewerDescriptionField::ConstructL()

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

//

void CESMRViewerDescriptionField::ConstructL( )

    {

    FUNC_LOG;

    iRichTextViewer = CESMRRichTextViewer::NewL( this );

    iRichTextViewer->SetEdwinSizeObserver( this );

    CESMRField::ConstructL( iRichTextViewer ); // ownership transferred

    iRichTextViewer->SetParent( this );

    iRichTextViewer->SetLinkObserver( this );

    }

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

// CESMRViewerDescriptionField::GetCursorLineVerticalPos()

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

//

void CESMRViewerDescriptionField::GetCursorLineVerticalPos( TInt& aUpper, TInt& aLower )

    {

    FUNC_LOG;

    aLower = iRichTextViewer->CurrentLineNumber() * iRichTextViewer->RowHeight();

    aUpper = aLower - iRichTextViewer->RowHeight();

    }

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

// CESMRViewerDescriptionField::ListObserverSet

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

//

void CESMRViewerDescriptionField::ListObserverSet()

    {

    FUNC_LOG;

    iRichTextViewer->SetListObserver( iObserver );

    }

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

// CESMRViewerDescriptionField::ExecuteGenericCommandL()

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

//

TBool CESMRViewerDescriptionField::ExecuteGenericCommandL( TInt aCommand )

    {

    FUNC_LOG;

    TBool isUsed( EFalse );

    switch ( aCommand )

        {

        case EESMRCmdClipboardCopy:

            {

            iRichTextViewer->CopyCurrentLinkToClipBoardL();

            isUsed = ETrue;

            break;

            }

        case EAknSoftkeySelect:

            {

            iRichTextViewer->LinkSelectedL();

            isUsed = ETrue;

            break;

            }

        default:

            {

            break;

            }

        }

    return isUsed;

    }

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

// CESMRDescriptionField::SetOutlineFocusL

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

//

void CESMRViewerDescriptionField::SetOutlineFocusL( TBool aFocus )

    {

    FUNC_LOG;

    CESMRField::SetOutlineFocusL ( aFocus );

    iRichTextViewer->SetFocus( aFocus );

    if ( FeaturesL().FeatureSupported(

            CESMRFeatureSettings::EESMRUIMnFwIntegration ) )

        {

        if ( aFocus )

            {

            SetShowOnMapLinkMiddleSoftKeyL();

            }

        }

    if ( !aFocus )

        {

        //need to tell action menu that focus has changed

        iRichTextViewer->ResetActionMenuL();

        }

    }

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

// CESMRDescriptionField::HandleLongtapEventL

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

//

void CESMRViewerDescriptionField::HandleLongtapEventL(

        const TPoint& aPosition )

    {

    FUNC_LOG;

    if ( iRichTextViewer->Rect().Contains( aPosition ) )

        {

        if( iRichTextViewer->LinkSelectedL() )

        	{

			HandleTactileFeedbackL();

        	}

        }

    }

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

// CESMRViewerDescriptionField::AddShowOnMapLinkL

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

//

void CESMRViewerDescriptionField::AddShowOnMapLinkL( MESMRCalEntry& aEntry )

    {

    FUNC_LOG;

    TPtrC urlPointer;

    TInt position;

    position = UrlParserL().FindLocationUrl( aEntry.Entry().DescriptionL(),

                                           urlPointer );

    // Location url is found and need to be replaced with show on map link

    if ( position >= KErrNone )

        {

        HBufC* showOnMapBuf =

            StringLoader::LoadLC( R_MEET_REQ_LINK_SHOW_ON_MAP,

                                  iCoeEnv );

        HBufC* description =

            HBufC::NewL( aEntry.Entry().DescriptionL().Length() + 1);

        CleanupStack::PushL( description );

        TPtr descriptionPointer( description->Des() );

        descriptionPointer.Append( aEntry.Entry().DescriptionL() );

        descriptionPointer.Replace( position,

                                    urlPointer.Length(),

                                    *showOnMapBuf );

        CESMRRichTextLink* showOnMapLink = CESMRRichTextLink::NewL( position,

                                             showOnMapBuf->Length(),

                                             urlPointer,

                                             CESMRRichTextLink::ETypeLocationUrl,

                                             CESMRRichTextLink::ETriggerKeyOk );

        CleanupStack::PushL( showOnMapLink );

        iRichTextViewer->SetTextL( description, ETrue );

        iRichTextViewer->InsertLinkL( showOnMapLink, 0 );

        CleanupStack::Pop( showOnMapLink );

        iRichTextViewer->HandleTextChangedL();

        CleanupStack::PopAndDestroy( description );

        CleanupStack::PopAndDestroy( showOnMapBuf );

        StoreGeoValueL(

                aEntry.Entry(),

                urlPointer );

        }

    // No location url found. Other description text is added to field.

    else

        {

        TPtrC text = aEntry.Entry().DescriptionL();

        iRichTextViewer->SetTextL( &text, ETrue );

        }

    iRichTextViewer->SetMargins( KMargin );

    }

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

// CESMRViewerDescriptionField::SetShowOnMapLinkMiddleSoftKeyL

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

//

void CESMRViewerDescriptionField::SetShowOnMapLinkMiddleSoftKeyL()

    {

    FUNC_LOG;

    const CESMRRichTextLink* link = iRichTextViewer->GetSelectedLink();

    if( link )

        {

        if ( link->Type() == CESMRRichTextLink::ETypeLocationUrl )

            {

            ChangeMiddleSoftKeyL(EESMRCmdShowOnMap, R_QTN_MSK_OPEN );

            }

        else

            {

            RestoreMiddleSoftKeyL();

            }

        SetMiddleSoftKeyVisible( ETrue );

        }

    else

        {

        RestoreMiddleSoftKeyL();

        }

    }

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

// CESMRViewerDescriptionField::FeaturesL

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

//

CESMRFeatureSettings& CESMRViewerDescriptionField::FeaturesL()

    {

    FUNC_LOG;

    if ( !iFeatures )

        {

        iFeatures = CESMRFeatureSettings::NewL();

        }

    return *iFeatures;

    }

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

// CESMRViewerDescriptionField::LocationPluginL

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

//

CESMRLocationPlugin& CESMRViewerDescriptionField::LocationPluginL()

    {

    FUNC_LOG;

    if ( !iLocationPlugin )

        {

        iLocationPlugin = CESMRLocationPlugin::NewL();

        }

    return *iLocationPlugin;

    }

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

// CESMRViewerDescriptionField::ShowLocationOnMapL