/*

* Copyright (c) 2008 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:

* Implementation of the widget details dlg for WidgetManager

*

*/

// INCLUDE FILES

#include <gdi.h>

#include <eikrted.h> // for CRichTextEditor

#include <txtrich.h> // for CRichText

#include <AknUtils.h> // for AknUtils

#include <AknsUtils.h> // MAknsSkinInstance

#include <AknsDrawUtils.h> // AknsDrawUtils

#include <applayout.cdl.h> //layout

#include <layoutmetadata.cdl.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <AknsBasicBackgroundControlContext.h>

#include <widgetmanagerview.rsg>

#include "widgetmanager.hrh"

#include "wmdetailsdlg.h"

// CONSTANTS

// MEMBER FUNCTIONS

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

// FullScreenRect

// rectangle representing the screen

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

//

TRect FullScreenRect()

    {

    TRect screen;

    CCoeEnv* env = CCoeEnv::Static();

    if ( env )

        {

        CWsScreenDevice* screenDevice = env->ScreenDevice();

        if ( screenDevice )

            screen.SetRect( TPoint(0,0), screenDevice->SizeInPixels() );

        }

    return screen;

    }

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

// CWmDetailsDlg::NewL

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

//

CWmDetailsDlg* CWmDetailsDlg::NewL(

			const TDesC& aName,

	        const TDesC& aDescription,

	        TBool  aCanBeAdded,

            const CFbsBitmap* aLogoBmp,

            const CFbsBitmap* aLogoMask,

            CAknsBasicBackgroundControlContext* aBgContext )

    {

    CWmDetailsDlg* self = new ( ELeave ) CWmDetailsDlg( aCanBeAdded );

    CleanupStack::PushL( self );

    self->ConstructL( aName, aDescription, aLogoBmp, aLogoMask, aBgContext );

    CleanupStack::Pop( self );

    return self;

    }

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

// CWmDetailsDlg::CWmDetailsDlg

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

//

CWmDetailsDlg::CWmDetailsDlg( TBool  aCanBeAdded )

    : CAknDialog(),

    iCanBeAdded( aCanBeAdded )

    {

    iBorder = TGulBorder::ERaisedControl;

    }

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

// CWmDetailsDlg::~CWmDetailsDlg

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

//

CWmDetailsDlg::~CWmDetailsDlg()

    {

    iEikonEnv->RemoveFromStack( iRtEditor );

    iEikonEnv->RemoveFromStack( this );

    delete iRtEditor;

    delete iName;

    delete iDescription;

    delete iLogoBmp;

    delete iLogoMask;	

    }

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

// CWmDetailsDlg::ExecuteLD

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

//

TInt CWmDetailsDlg::ExecuteLD()

    {

    if ( iCanBeAdded )

        {

        return CAknDialog::ExecuteLD( R_WM_DETAILS_ADD_DIALOG );

        }

    else

        {

        return CAknDialog::ExecuteLD( R_WM_DETAILS_ONLY_DIALOG );

        }

    }

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

// CWmDetailsDlg::ConstructL

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

//

void CWmDetailsDlg::ConstructL(

			const TDesC& aName,

	        const TDesC& aDescription,

            const CFbsBitmap* aLogoBmp,

            const CFbsBitmap* aLogoMask,

            CAknsBasicBackgroundControlContext* aBgContext )

    {

    if ( !aLogoBmp )

        {

        User::Leave( KErrArgument );

        }

	CAknDialog::ConstructL( R_AVKON_DIALOG_EMPTY_MENUBAR );

	iBgContext = aBgContext;

	iName = aName.AllocL();

	iDescription = aDescription.AllocL();

	// create bitmap and duplicate handle

	iLogoBmp = new ( ELeave ) CFbsBitmap;

    TSize newSize = TSize( aLogoBmp->SizeInPixels().iWidth ,

                           aLogoBmp->SizeInPixels().iHeight );

    User::LeaveIfError( iLogoBmp->Create( newSize, aLogoBmp->DisplayMode() ) );    

    User::LeaveIfError( iLogoBmp->Duplicate( aLogoBmp->Handle() ) );

    if ( aLogoMask )

        {

        iLogoMask = new ( ELeave ) CFbsBitmap;

        newSize = TSize( aLogoMask->SizeInPixels().iWidth ,

                         aLogoMask->SizeInPixels().iHeight );

        User::LeaveIfError( iLogoMask->Create( newSize, aLogoMask->DisplayMode() ) );    

        User::LeaveIfError( iLogoMask->Duplicate( aLogoMask->Handle() ) );

        }

    iEikonEnv->AddWindowShadow( static_cast<CCoeControl*>(this) );

    }

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

// CWmDetailsDlg::OkToExitL

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

//

TBool CWmDetailsDlg::OkToExitL( TInt aButtonId )

	{

    if ( aButtonId == ECbaAddToHs ||

		aButtonId == EAknSoftkeyClose )

        {

        // Close dlg

        return ETrue;

        }

    return EFalse;

	}

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

// CWmDetailsDlg::PreLayoutDynInitL

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

//

void CWmDetailsDlg::PreLayoutDynInitL()

    {

    iRtEditor = new(ELeave) CEikRichTextEditor();

    iRtEditor->ConstructL( this, 

                        0, 

                        0, 

                        CEikEdwin::EReadOnly | 

                        CEikEdwin::ENoAutoSelection | 

                        CEikEdwin::EAvkonDisableCursor |

                        CEikEdwin::EDisplayOnly );

    iRtEditor->SetContainerWindowL(*this);

    iRtEditor->SetAknEditorFlags( 

                    EAknEditorFlagEnableScrollBars | 

                    EEikEdwinAvkonDisableCursor |

                    EEikEdwinDisplayOnly |

                    EEikEdwinReadOnly );

    iRtEditor->SetSkinBackgroundControlContextL( iBgContext );

    CEikScrollBarFrame* scrollBarFrame = iRtEditor->CreateScrollBarFrameL();

    scrollBarFrame->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff,

                                             CEikScrollBarFrame::EOff );

    InsertAndFormatContentL();

    iRtEditor->UpdateScrollBarsL();

    }

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

// CWmDetailsDlg::InsertAndFormatContentL

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

//

void CWmDetailsDlg::InsertAndFormatContentL()

    {

    CRichText* richText = iRtEditor->RichText();

    const TInt KMinTxtLength = 100;

    richText->Reset();

    if ( iDescription->Des().Length() <= KMinTxtLength )

        {     

        richText->InsertL( richText->DocumentLength(),

                CEditableText::ELineBreak );

        }

    richText->InsertL( richText->DocumentLength(), *iDescription );

    // change the color of the text according to the skin color

    TRgb color = KRgbBlack;

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    AknsUtils::GetCachedColor(skin, color, KAknsIIDQsnTextColors, 

                                                    EAknsCIQsnTextColorsCG6 );

    // Format text 

    iRtEditor->SetSelectionL( 0, richText->DocumentLength() );

    // Get a logical font to base my font on:

    const CFont* logicalFont = AknLayoutUtils::FontFromId(EAknLogicalFontPrimarySmallFont);

    // Extract font information

    TFontSpec fontspec = logicalFont->FontSpecInTwips();

    TCharFormat charFormat(fontspec.iTypeface.iName, fontspec.iHeight);

    TCharFormatMask charFormatMask;

    CParaFormat paraFormat;

    TParaFormatMask paraFormatMask;

    charFormat.iFontPresentation.iTextColor = color;

    paraFormatMask.SetAttrib(EAttAlignment);

    charFormatMask.SetAttrib(EAttFontTypeface);

    charFormatMask.SetAttrib(EAttFontHeight);

    charFormatMask.SetAttrib(EAttColor);

    iRtEditor->ApplyParaFormatL(&paraFormat, paraFormatMask);

    iRtEditor->ApplyCharFormatL(charFormat, charFormatMask);

    iRtEditor->ClearSelectionL();

    }

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

// CWmDetailsDlg::CountComponentControls

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

//

TInt CWmDetailsDlg::CountComponentControls() const

    {

    return iRtEditor ? 1 : 0;

    }

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

// CWmDetailsDlg::ComponentControl

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

//

CCoeControl* CWmDetailsDlg::ComponentControl(TInt aIndex) const

    {

    switch (aIndex)

        {

        case 0:

            return iRtEditor;

        default:

            return NULL;

        }

    }

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

// CWmDetailsDlg::ActivateL

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

//

void CWmDetailsDlg::ActivateL()

	{

    CAknDialog::ActivateL();

	iEikonEnv->EikAppUi()->AddToStackL( this, ECoeStackPriorityDialog );

    iEikonEnv->EikAppUi()->AddToStackL( iRtEditor );    

    iRtEditor->SetFocus( ETrue );

    }

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

// CWmDetailsDlg::WmDetailsDialogRect

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

//

TRect CWmDetailsDlg::WmDetailsDialogRect()

    {

    TRect mainPane, dlgRect;    

    TPoint topLeft;

    TInt desiredW, desiredH;    

    AknLayoutUtils::LayoutMetricsRect( 

            AknLayoutUtils::EApplicationWindow, mainPane );

    if ( Layout_Meta_Data::IsLandscapeOrientation() )

        {

        desiredW = ( mainPane.Width() - (mainPane.Width()/4) );

        desiredH = ( mainPane.Height() - (mainPane.Height()/5) );        

        topLeft.iX = ( ( mainPane.Width() - desiredW ) /2);

        topLeft.iY = ( ( mainPane.Height() - desiredH ) /2);

        dlgRect.SetRect( topLeft, TSize( desiredW, desiredH ) );

        }

    else

        {

        desiredH = ( mainPane.Height() - (mainPane.Height()/4) );

        desiredW = ( mainPane.Width() - (mainPane.Width()/5) );

        topLeft.iX = ( ( mainPane.Width() - desiredW ) /2);

        topLeft.iY = ( ( mainPane.Height() - desiredH ) /2);

        dlgRect.SetRect( topLeft, TSize( desiredW, desiredH ) );        

        }

    return dlgRect;

    }

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

// CWmDetailsDlg::SetSizeAndPosition

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

//

void CWmDetailsDlg::SetSizeAndPosition( const TSize& /*aSize*/ )

    {    

    SetRect( WmDetailsDialogRect() );

    }

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

// CWmDetailsDlg::SizeChanged

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

//

void CWmDetailsDlg::SizeChanged()

    {

    CAknDialog::SizeChanged();

    TRect rect = Rect();

    if ( iBgContext ) { iBgContext->SetRect( FullScreenRect() ); }

    if ( iRtEditor ) 

        {

        const TInt offSet = 5;

        TRect cbaRect;

        AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EControlPane, cbaRect );

        TInt logoH = iLogoBmp->SizeInPixels().iHeight;

        TInt height, width;

        if ( Layout_Meta_Data::IsLandscapeOrientation() )

            {        

            height = ( (rect.Height() - logoH) - (cbaRect.Height() * 2) - offSet );

            }

        else

            {

            height = ( (rect.Height() - logoH) - (cbaRect.Height() * 1.5) - offSet );

            }

        width = ( rect.Width() - (CEikScrollBar::DefaultScrollBarBreadth() * 4 ) - offSet );

        TPoint point = TPoint( rect.iTl.iX + offSet, rect.iTl.iY + logoH + offSet );

        TSize size = TSize( width, height );

        iRtEditor->SetRect( TRect( point, size ) );

        TRAP_IGNORE( 

            iRtEditor->SetSkinBackgroundControlContextL( iBgContext );

            InsertAndFormatContentL(); );

        }

    }

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

// CWmDetailsDlg::SupplyMopObject

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

//

TTypeUid::Ptr CWmDetailsDlg::MopSupplyObject( TTypeUid aId )

    {

    if ( aId.iUid == MAknsControlContext::ETypeId )

        {

        return MAknsControlContext::SupplyMopObject( aId, iBgContext );

        }

    return CAknDialog::MopSupplyObject( aId );

    }

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

// CWmDetailsDlg::OfferKeyEventL

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

//

TKeyResponse CWmDetailsDlg::OfferKeyEventL( const TKeyEvent& aKeyEvent,TEventCode aType )

	{

	if (aType == EEventKey)

		{

		switch (aKeyEvent.iCode)

			{			

			case EKeyEscape:

				{

				// framework calls this when dialog must shut down

				return CAknDialog::OfferKeyEventL( aKeyEvent, aType );

        		}

			case EKeyDownArrow:

                {

                if ( iRtEditor )

                    {

                    iRtEditor->MoveCursorL(TCursorPosition::EFPageDown, EFalse);

                    return EKeyWasConsumed;

                    }

                }

            case EKeyUpArrow:

                {

                if ( iRtEditor )

                    {

                    iRtEditor->MoveCursorL(TCursorPosition::EFPageUp, EFalse);

                    return EKeyWasConsumed;

                    }

                }				

            default:

				{

				if ( iRtEditor )

					{

					return iRtEditor->OfferKeyEventL( aKeyEvent, aType );

					}

			    break;

				}

			}

		}

	return CAknDialog::OfferKeyEventL( aKeyEvent, aType);

	}

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

// CWmDetailsDlg::Draw

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

//

void CWmDetailsDlg::Draw( const TRect& /*aRect*/ ) const

    {

    CWindowGc& gc = SystemGc();

    TRect rect = Rect();

    TRect innerRect( rect );

    TRgb color = KRgbBlack;

    const TInt offSet = 5;

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    MAknsControlContext* cc = AknsDrawUtils::ControlContext( this );

    // draw background

    if ( !AknsDrawUtils::Background( skin, cc, this, gc, innerRect ) )

        {

        gc.SetPenStyle( CGraphicsContext::ENullPen );

        gc.SetBrushStyle( CGraphicsContext::ENullBrush );

        gc.SetBrushColor( AKN_LAF_COLOR( 0 ) );

        gc.SetBrushStyle( CGraphicsContext::ESolidBrush );

        gc.DrawRect( innerRect );

        gc.SetBrushStyle( CGraphicsContext::ENullBrush );

        }

    // to fix scrollbar background issue in richtext editor

    if ( iRtEditor ) 

        {

        MAknsControlContext* ccRte = AknsDrawUtils::ControlContext( iRtEditor );

        AknsDrawUtils::Background( skin, ccRte, iRtEditor, gc, iRtEditor->Rect() );

        }

    // draw logo

    TRect bmpRect( TPoint(0,0), TSize( iLogoBmp->SizeInPixels() ) );

    TPoint point = TPoint( innerRect.iTl.iX + offSet,

                           innerRect.iTl.iY + offSet );

    if ( iLogoBmp && iLogoMask )

        {

        gc.BitBltMasked( point, iLogoBmp, 

                         bmpRect, iLogoMask, ETrue );

        }

    else

        {

        gc.BitBlt( point, iLogoBmp, bmpRect );

        }

    // draw name

    point.iX += (bmpRect.Width() + offSet);

    AknsUtils::GetCachedColor( 

                    skin, color, 

                    KAknsIIDQsnTextColors, EAknsCIQsnTextColorsCG6 );

    // DRAW TEXT

    const CFont* font = AknLayoutUtils::FontFromId( EAknLogicalFontPrimaryFont );

    gc.UseFont( font );

    gc.SetPenColor( color );

    gc.SetPenStyle( CGraphicsContext::ESolidPen );

    point.iY += (bmpRect.Height() - (font->HeightInPixels() /2 ) );

    CGraphicsContext::TDrawTextParam param;

    HBufC* buf = iName->Des().Alloc();

    if ( buf )

        {

        TPtr bufPtr = buf->Des();

        TextUtils::ClipToFit( bufPtr, *font, (innerRect.Width() - point.iX ) );

        gc.DrawText( bufPtr ,point, param );

        delete buf;

        }

    else

        {

        gc.DrawText( *iName ,point, param );

        }

    gc.DiscardFont();

    // draw the rounded rectangle as border

    const TInt KFrameRoundRadius = 3;

    const TInt KBorderWidth = 2;

    gc.SetPenSize( TSize( KBorderWidth, KBorderWidth ) );    

    gc.DrawRoundRect( innerRect, TSize( KFrameRoundRadius, KFrameRoundRadius ) );

    // draw shadow

    gc.SetBrushStyle(CGraphicsContext::ESolidBrush);

    gc.SetPenStyle( CGraphicsContext::ESolidPen );

    gc.SetBrushColor( color );

    gc.SetPenColor( color );

    TRect rightShadowArea = Rect();

    rightShadowArea.iTl.iX = rightShadowArea.iBr.iX - offSet;

    rightShadowArea.iTl.iY += offSet/2;

    gc.DrawRect(rightShadowArea);

    TRect bottomShadowArea = Rect();

    bottomShadowArea.iTl.iX += offSet/2;

    bottomShadowArea.iTl.iY += bottomShadowArea.iBr.iY - offSet;

    gc.DrawRect( bottomShadowArea );

    gc.SetBrushStyle( CGraphicsContext::ENullBrush );

    gc.SetPenStyle( CGraphicsContext::ENullPen );