/*

* Copyright (c) 2005-2006 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:  

*       MsgEditor svgt UI control - a Message Editor Base control.

*

*/

// INCLUDE FILES

#include "MsgSvgControl.h"

#include <gdi.h>

#include <AknDialog.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <AknUtils.h>

#include <msgsvgutils.h>

#include <AknsDrawUtils.h>

#include <gulicon.h>

#include <MsgEditorCommon.h>

#include "MsgFrameControl.h"

#include "MsgIconControl.h"

#include "MsgMediaControlLogging.h"

// ==========================================================

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

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

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

// CMsgSvgControl::CMsgSvgControl

//

// Constructor.

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

//

CMsgSvgControl::CMsgSvgControl( MMsgBaseControlObserver& aBaseControlObserver ) : 

    CMsgMediaControl( aBaseControlObserver, EMsgComponentIdSvg, EMsgSvgControl )

    {

    }

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

// CMsgSvgControl::ConstructL

//

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

//

void CMsgSvgControl::ConstructL( CMsgEditorView& aParent, MMsgAsyncControlObserver* aObserver )

    {

    BaseConstructL( aParent, aObserver );    

	SetSize( CalculateControlSize( MsgEditorCommons::MsgDataPane().Size() ) );

	iSvgUtils = new( ELeave ) CMsgSvgUtils;

    }

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

// CMsgSvgControl::NewL

//

// Two-phased constructor.

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

//

#ifdef RD_SVGT_IN_MESSAGING

EXPORT_C CMsgSvgControl* CMsgSvgControl::NewL( CMsgEditorView& aParent,

                                                   MMsgAsyncControlObserver* aObserver )

    {

    CMsgSvgControl* self = new( ELeave ) CMsgSvgControl( aParent );

    CleanupStack::PushL( self );

    self->ConstructL( aParent, aObserver );

    CleanupStack::Pop( self );

    return self;

    }

#else

EXPORT_C CMsgSvgControl* CMsgSvgControl::NewL( CMsgEditorView& /*aParent*/,

                                               MMsgAsyncControlObserver* /*aObserver*/ )

    {

    User::Leave( KErrNotSupported );

    return NULL; //getting rid of warning

    }

#endif        

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

// CMsgSvgControl::~CMsgSvgControl

//

// Destructor

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

//

CMsgSvgControl::~CMsgSvgControl()

    {

    delete iSvgIndicator;

    delete iSvgUtils;

    iFileHandle.Close();

    }

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

// CMsgSvgControl::LoadL

//

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

//

void CMsgSvgControl::LoadL( RFile& aFileHandle )

    {

    iFileHandle.Close();

    User::LeaveIfError( iFileHandle.Duplicate( aFileHandle ) );

    DoLoadL();    

    }

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

// CMsgSvgControl::DoLoadL

//

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

//

void CMsgSvgControl::DoLoadL()

    {        

    TSize thumbnailSize( Size() );

    thumbnailSize = TSize( Max( 0, thumbnailSize.iWidth - iFrame->FrameBorderSize().iWidth ),

		                   Max( 0, thumbnailSize.iHeight - iFrame->FrameBorderSize().iHeight ) );

    // Use svgt thumbnail creation directly 

    CFbsBitmap* thumbnailBitmap = new ( ELeave ) CFbsBitmap;

    CleanupStack::PushL( thumbnailBitmap );

    TDisplayMode DisplayMode = iCoeEnv->ScreenDevice()->DisplayMode();

    //if DisplayMode is EColor16MAP then change to EColor16MA  

    //EColor16MAP is not supported by SVG Engine.

    if ( DisplayMode == EColor16MAP )

        DisplayMode = EColor16MA;

    User::LeaveIfError( thumbnailBitmap->Create( thumbnailSize, DisplayMode ) );

    CFbsBitmap* thumbnailMask = new ( ELeave ) CFbsBitmap;

    CleanupStack::PushL( thumbnailMask );

    User::LeaveIfError( thumbnailMask->Create( thumbnailSize,

                                               EGray256 ) );

    CGulIcon* thumbnailIcon = CGulIcon::NewL( thumbnailBitmap, thumbnailMask );

    CleanupStack::Pop( 2, thumbnailBitmap );

    iIconControl->SetIcon( thumbnailIcon );

    // Incase this is not fulfilling the requirements, it might be an

    // option to go and check for GenerateThumbnailL() in the msgcommonutils

    iSvgUtils->GenerateThumbnailL( iFileHandle,

                                   thumbnailIcon->Bitmap(),

                                   thumbnailIcon->Mask(),

                                   EFalse,

                                   thumbnailSize );

    // Resize bitmaps to actual content size.

    thumbnailBitmap->Resize( thumbnailSize );

    thumbnailMask->Resize( thumbnailSize );

    iIconControl->SetSize( thumbnailSize );

    iIconControl->MakeVisible( ETrue );

    iFrame->SetImageSize( thumbnailSize );

    if ( iSvgIndicator )

        {

        iSvgIndicator->MakeVisible( ETrue );

        }    

    SetState( EMsgAsyncControlStateReady );

    }

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

// CMsgSvgControl::Cancel

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

//

void CMsgSvgControl::Cancel()

    {

    }

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

// CMsgSvgControl::LoadIndicatorIconL

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

//

EXPORT_C void CMsgSvgControl::LoadIndicatorIconL( const TAknsItemID& aId,

                                                  const TDesC& aFileName,

                                                  const TInt aFileBitmapId,

                                                  const TInt aFileMaskId )

    {

    delete iSvgIndicator;

    iSvgIndicator = NULL;

    iSvgIndicator = CMsgIconControl::NewL( *this );

    iSvgIndicator->LoadIconL( aId,

                              aFileName,

                              aFileBitmapId,

                              aFileMaskId );    

    TAknLayoutRect indicatorRect;

    indicatorRect.LayoutRect( MsgEditorCommons::MsgDataPane(), 

                              AknLayoutScalable_Apps::msg_data_pane_g7().LayoutLine() );

    iSvgIndicator->SetBitmapSizeL( indicatorRect.Rect().Size() );

    if ( iIconControl &&

         iIconControl->IsVisible() )

        {

        iSvgIndicator->MakeVisible( ETrue );

        }

    }

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

// CMsgSvgControl::SetIconExtent

//

// Updates the icon position & size. Icon control is centered

// to the control area.

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

//

void CMsgSvgControl::SetIconExtent()

    {

    if ( iSvgIndicator )

        {

        TSize size = iSvgIndicator->BitmapSize();

        TPoint position( iIconControl->Position() );

        position.iY += iIconControl->Size().iHeight;

        position.iY -= size.iHeight;

        iSvgIndicator->SetExtent( position, size );

        }

    }

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

// CMsgSvgControl::SizeChanged

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

//

void CMsgSvgControl::SizeChanged()

    {  

    CMsgMediaControl::SizeChanged();

    SetIconExtent();       

    }

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

// CMsgSvgControl::ComponentControl

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

//

CCoeControl* CMsgSvgControl::ComponentControl( TInt aIndex ) const

    {

    CCoeControl* result = NULL;

    switch ( aIndex )

        {

        case 0:

            {

            result = iFrame;

            break;

            }

        case 1:

            {

            result = iIconControl;

            break;

            }   

        case 2:

            {

            result = iSvgIndicator;

            break;

            }

        default:

            {

            break;

            }

        }

    return result;            

    }

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

// CMsgSvgControl::CountComponentControls

//

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

//

TInt CMsgSvgControl::CountComponentControls() const

    {

    TInt result( 2 );

    if ( iSvgIndicator )

        {

        result++;

        }

    return result;

    }

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

// CMsgSvgControl::Draw

//

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

//

void CMsgSvgControl::Draw( const TRect& aRect ) const

    {

    if ( iSvgIndicator )

        {

        CWindowGc& gc = SystemGc();

        if ( !AknsDrawUtils::BackgroundBetweenRects( AknsUtils::SkinInstance(), 

                                                     AknsDrawUtils::ControlContext( this ), 

                                                     this, 

                                                     gc, 

                                                     aRect,

                                                     iIconControl->Rect() ) )

            {

            gc.SetBrushColor( AKN_LAF_COLOR( 0 ) );

            gc.SetBrushStyle( CGraphicsContext::ESolidBrush );

            gc.SetPenStyle( CGraphicsContext::ENullPen );

            gc.DrawRect( aRect );

            }

        gc.SetBrushColor( KRgbWhite.Value() );

        gc.SetPenStyle( CGraphicsContext::ENullPen );

	    gc.SetBrushStyle( CGraphicsContext::ESolidBrush );

	    gc.DrawRect( iIconControl->Rect() );

        }

    else

        {

        CMsgMediaControl::Draw( aRect );

        }

    }

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

// CMsgSvgControl::Close

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

//

void CMsgSvgControl::Close()

    {

    SetState( EMsgAsyncControlStateIdle );

    }

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

// CMsgSvgControl::SetAndGetSizeL

//

// Calculates and sets the size of the control and returns new size as

// reference aSize.

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

//

void CMsgSvgControl::SetAndGetSizeL( TSize& aSize )

    {

    aSize = CalculateControlSize( aSize );

    SetSize( aSize );

    }

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

// CMsgSvgControl::HandleResourceChange

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

//

void CMsgSvgControl::HandleResourceChange( TInt aType )

    {

    CMsgMediaControl::HandleResourceChange( aType ); 

    if ( aType == KEikDynamicLayoutVariantSwitch )

        {

        SetSize( CalculateControlSize( MsgEditorCommons::MsgDataPane().Size() ) );

        TRAP_IGNORE( DoLoadL() );

        }

    }

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

// CMsgSvgControl::PlayL

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

//    

void CMsgSvgControl::PlayL()

    {   

    }

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

// CMsgSvgControl::Stop

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

//    

void CMsgSvgControl::Stop()

    {

    }

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

// CMsgSvgControl::PauseL

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

//    

void CMsgSvgControl::PauseL()

    {

    }

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

// CMsgSvgControl::CalculateControlSize

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

//    

TSize CMsgSvgControl::CalculateControlSize( TSize aProposedSize ) const

    {

    TAknLayoutRect controLayout;

    controLayout.LayoutRect( MsgEditorCommons::MsgDataPane(),

                             AknLayoutScalable_Apps::msg_data_pane_g1().LayoutLine() );

    TSize controlSize = controLayout.Rect().Size();

    // Make sure controlSize is multiple of iBaseLine

    controlSize.iHeight = iBaseLine * ( controlSize.iHeight / iBaseLine );

    if ( controlSize.iHeight > aProposedSize.iHeight )

        {

        controlSize.iHeight = aProposedSize.iHeight;

        }

    if ( controlSize.iWidth > aProposedSize.iWidth )

        {

        controlSize.iWidth = aProposedSize.iWidth;

        }

    return controlSize;

    }

//  End of File