/*

* Copyright (c) 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:  Video control base class implementation.

*

*/

#include    <cvtlogger.h>

#include    <featmgr.h>

#include    <AknsDrawUtils.h>

#include    <videotelui.rsg>

#include    "cvtuivideocontrolbase.h"

#include    "mvtuicomponentmanager.h"

#include    "VtUiLayout.h"

// CONSTANTS

// Index of white color.

const TInt KVtUiColorWhite = 0;

// Amount of characters reserved per line.

const TInt KVtUiWaitingExtraSpacePerLine = KAknBidiExtraSpacePerLine + 1;

// Amount of lines used for 'waiting text'

const TInt KVtUiWaitingLineCount = 2;

// Implementation of CVtUiVideoControlBase

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

// CVtUiVideoControlBase::~CVtUiVideoControlBase

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

//

CVtUiVideoControlBase::~CVtUiVideoControlBase()

    {

    __VTPRINTENTER( "VidCtrlBase.~" )

    AknsUtils::DeregisterControlPosition( this );

    iStreamBitmap = NULL; // not owned.

    delete iWaitingTextWrappedArray;

    delete iWaitingTextWrapped;

    delete iBgContext;

    __VTPRINTEXIT( "VidCtrlBase.~" )

    }

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

// CVtUiVideoControlBase::CVtUiVideoControlBase

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

//

CVtUiVideoControlBase::CVtUiVideoControlBase(

    CVtUiBitmapManager& aBitmapManager ) :

    iBitmapManager( &aBitmapManager )

    {

    __VTPRINTENTER( "VidCtrlBase.ctor" )

    __VTPRINTEXIT( "VidCtrlBase.ctor" )

    }

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

// CVtUiVideoControlBase::BaseConstructL

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

//

void CVtUiVideoControlBase::BaseConstructL()

    {

    __VTPRINTENTER( "VidCtrlBase.BaseConstructL" )

    iBgContext = CAknsBasicBackgroundControlContext::NewL(

                       KAknsIIDQsnBgAreaMain, Rect(), ETrue );

    CreateWindowL();

    SetExtent( TPoint(), TSize() );

    ActivateL();

    // Disable fading when using DP (eliminates nasty color error)

    if ( FeatureManager::FeatureSupported( KFeatureIdDisplayPost ) )

        {

        Window().SetNonFading( ETrue );

        }

    WrapOnDemand();

    __VTPRINTEXIT( "VidCtrlBase.BaseConstructL" )

    }

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

// CVtUiVideoControlBase::SetRenderingHint

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

//

void CVtUiVideoControlBase::SetRenderingHint( TRenderingHint aHint )

    {

    __VTPRINTENTER( "VidCtrlBase.SetRenderingHint" )

    __VTPRINT2( DEBUG_GEN, "VidCtrlBase.SetRenderingHint aHint = %d", aHint )

    iHints.Set( aHint );

    __VTPRINTEXIT( "VidCtrlBase.SetRenderingHint" )

    }

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

// CVtUiVideoControlBase::ClearRenderingHint

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

//

void CVtUiVideoControlBase::ClearRenderingHint( TRenderingHint aHint )

    {

    __VTPRINTENTER( "VidCtrlBase.ClearRenderingHint" )

    __VTPRINT2( DEBUG_GEN, "VidCtrlBase.ClearRenderingHint aHint = %d", aHint )

    iHints.Clear( aHint );

    __VTPRINTEXIT( "VidCtrlBase.ClearRenderingHint" )

    }

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

// CVtUiVideoControlBase::BitmapManager

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

//

CVtUiBitmapManager& CVtUiVideoControlBase::BitmapManager() const

    {

    return *iBitmapManager;

    }

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

// CVtUiVideoControlBase::Bitmap

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

//

CFbsBitmap* CVtUiVideoControlBase::Bitmap( TVtUiBitmapPoolId aId ) const

    {

    __VTPRINTENTER( "VidCtrlBase.Bitmap" )

    CFbsBitmap* bitmap = NULL;

    iBitmapManager->GetBitmap( aId, bitmap );

    __VTPRINTEXITR( "VidCtrlBase.Bitmap %d", TInt( bitmap ) )

    return bitmap;

    }

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

// CVtUiVideoControlBase::AdjustPointForDP

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

//

TPoint CVtUiVideoControlBase::AdjustPointForDP( const TPoint aPoint ) const

    {

    __VTPRINTENTER( "VidCtrlBase.AdjustPointForDP" )

    TPoint result( aPoint );

    if ( FeatureManager::FeatureSupported( KFeatureIdDisplayPost ) )

        {

        if ( result.iX & 1 )

            {

            result.iX++;

            }

        }

    __VTPRINTEXIT( "VidCtrlBase.AdjustPointForDP" )

    return result;

    }

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

// CVtUiVideoControlBase::AdjustRectForDP

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

//

TRect CVtUiVideoControlBase::AdjustRectForDP( const TRect aRect ) const

    {

    __VTPRINTENTER( "VidCtrlBase.AdjustRectForDP" )

    TRect result( aRect );

    if ( FeatureManager::FeatureSupported( KFeatureIdDisplayPost ) )

        {

        if ( result.iTl.iX & 1 )

            {

            result.Move( 1, 0 );

            result.SetWidth( Max( 0, result.Width() - 1 ) );

            }

        if ( result.Width() & 1 )

            {

            result.SetWidth( result.Width() - 1 );

            }

        }

    __VTPRINTEXIT( "VidCtrlBase.AdjustRectForDP" )

    return result;

    }

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

// CVtUiVideoControlBase::WaitingTextLayout

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

//

TAknTextLineLayout CVtUiVideoControlBase::WaitingTextLayout( TInt )

    {

    return TAknTextLineLayout();

    }

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

// CVtUiVideoControlBase::HandleSizeChanged

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

//

void CVtUiVideoControlBase::HandleSizeChanged()

    {

    __VTPRINTENTER( "VidCtrlBase.HandleSizeChanged" )

    __VTPRINTEXIT( "VidCtrlBase.HandleSizeChanged" )

    }

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

// CVtUiVideoControlBase::DrawSkinnedBackground

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

//

void CVtUiVideoControlBase::DrawSkinnedBackground( CWindowGc& aGc ) const

    {

    __VTPRINTENTER( "VidCtrlBase.DrawSkinnedBackground" )

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

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

    AknsDrawUtils::Background( skin, cc, this, aGc, Rect() );

    __VTPRINTEXIT( "VidCtrlBase.DrawSkinnedBackground" )

    }

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

// CVtUiVideoControlBase::MopSupplyObject

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

//

TTypeUid::Ptr CVtUiVideoControlBase::MopSupplyObject( TTypeUid aId )

 {

     __VTPRINTENTER( "VidCtrlBase.MopSupplyObject" )

 // Required during rendering of the background skin in Draw()

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

     {

      __VTPRINTEXIT( "VidCtrlBase.MopSupplyObject.1" )

     return MAknsControlContext::SupplyMopObject( aId, iBgContext );

     }

    __VTPRINTEXIT( "VidCtrlBase.MopSupplyObject.2" )

 return CCoeControl::MopSupplyObject( aId );

 }

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

// CVtUiVideoControlBase::DrawColoredBackground

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

//

void CVtUiVideoControlBase::DrawColoredBackground( CWindowGc& aGc ) const

    {

    __VTPRINTENTER( "VidCtrlBase.DrawColoredBackground" )

    aGc.SetBrushStyle( CGraphicsContext::ESolidBrush );

    aGc.SetPenStyle( CGraphicsContext::ENullPen );

    aGc.SetBrushColor( AKN_LAF_COLOR( KVtUiColorWhite ) );

    aGc.DrawRect( Rect() );

    aGc.SetBrushStyle( CGraphicsContext::ENullBrush );

    __VTPRINTEXIT( "VidCtrlBase.DrawColoredBackground" )

    }

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

// CVtUiVideoControlBase::DrawWaitingText

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

//

TBool CVtUiVideoControlBase::DrawWaitingText( CWindowGc& aGc ) const

    {

    __VTPRINTENTER( "VidCtrlBase.DrawWaitingText" )

    const TInt count( iWaitingTextWrappedArray->Count() );

    if ( count > 0 )

        {

        aGc.SetClippingRect( StreamClippingRect() );

        aGc.SetBrushStyle( CGraphicsContext::ENullBrush );

        MAknsSkinInstance* skin = AknsUtils::SkinInstance();

        TRgb color( iWaitingTextLine1Layout.Color() );

        AknsUtils::GetCachedColor(

            skin,

            color,

            KAknsIIDQsnTextColors,

            EAknsCIQsnTextColorsCG6 );

        iWaitingTextLine1Layout.DrawText(

            aGc,

            iWaitingTextWrappedArray->At( 0 ), // first line

            EFalse,

            color );

        if ( count > 1 ) // two lines

            {

            iWaitingTextLine2Layout.DrawText(

                aGc,

                iWaitingTextWrappedArray->At( 1 ), // second line

                EFalse,

                color );

            }

        }

    __VTPRINTEXITR( "VidCtrlBase.DrawWaitingText %d", ETrue )

    return ETrue;

    }

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

// CVtUiVideoControlBase::DrawBlind

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

//

void CVtUiVideoControlBase::DrawBlind( CWindowGc& aGc ) const

    {

    __VTPRINTENTER( "VidCtrlBase.DrawBlind" )

    CFbsBitmap* icon = BlindImage();

    if ( icon )

        {

        CFbsBitmap* mask = BlindMask();

        if ( mask )

            {

            aGc.BitBltMasked(

                BlindBlitPosition(),

                icon,

                TRect( icon->SizeInPixels() ),

                mask,

                ETrue );

            }

        else

            {

            aGc.BitBlt(

                BlindBlitPosition(),

                icon );

            }

        }

    __VTPRINTEXIT( "VidCtrlBase.DrawBlind" )

    }

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

// CVtUiVideoControlBase::DrawStream

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

//

void CVtUiVideoControlBase::DrawStream( CWindowGc& aGc ) const

    {

    __VTPRINTENTER( "VidCtrlBase.DrawStream" )

    aGc.SetBrushStyle( CGraphicsContext::ENullBrush );

    aGc.SetClippingRect( StreamClippingRect() );

    aGc.BitBlt( StreamBlitPosition(), iStreamBitmap );

    aGc.CancelClippingRect();

    __VTPRINTEXIT( "VidCtrlBase.DrawStream" )

    }

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

// CVtUiVideoControlBase::StreamBlitPosition

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

//

TPoint CVtUiVideoControlBase::StreamBlitPosition() const

    {

    __VTPRINTENTER( "VidCtrlBase.StreamBlitPosition" )

    __VTPRINTEXIT( "VidCtrlBase.StreamBlitPosition" )

    return Rect().iTl;

    }

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

// CVtUiVideoControlBase::StreamClippingRect

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

//

TRect CVtUiVideoControlBase::StreamClippingRect() const

    {

    __VTPRINTENTER( "VidCtrlBase.StreamClippingRect" )

    __VTPRINTEXIT( "VidCtrlBase.StreamClippingRect" )

    return Rect();

    }

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

// CVtUiVideoControlBase::BlindImage

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

//

CFbsBitmap* CVtUiVideoControlBase::BlindImage() const

    {

    __VTPRINTENTER( "VidCtrlBase.BlindImage" )

    __VTPRINTEXIT( "VidCtrlBase.BlindImage" )

    return NULL;

    }

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

// CVtUiVideoControlBase::BlindMask

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

//

CFbsBitmap* CVtUiVideoControlBase::BlindMask() const

    {

    __VTPRINTENTER( "VidCtrlBase.BlindMask" )

    __VTPRINTEXIT( "VidCtrlBase.BlindMask" )

    return NULL;

    }

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

// CVtUiVideoControlBase::BlindBlitPosition

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

//

TPoint CVtUiVideoControlBase::BlindBlitPosition() const

    {

    __VTPRINTENTER( "VidCtrlBase.BlindBlitPosition" )

    __VTPRINTEXIT( "VidCtrlBase.BlindBlitPosition" )

    return TPoint();

    }

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

// CVtUiVideoControlBase::Reset

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

//

void CVtUiVideoControlBase::Reset()

    {

    __VTPRINTENTER( "VidCtrlBase.Reset" )

    iBlindStatus = EFalse;

    iStreamBitmap = NULL;

    iWaitingTextShow = EFalse;

    __VTPRINTEXIT( "VidCtrlBase.Reset" )

    }

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

// CVtUiVideoControlBase::SetBlind

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

//

void CVtUiVideoControlBase::SetBlind( TBool aBlindStatus )

    {

    __VTPRINTENTER( "VidCtrlBase.SetBlind" )

    /* Once SetBlind called, re-draw the control anyway */

//    if ( iBlindStatus != aBlindStatus )

//        {

        iBlindStatus = aBlindStatus;

        DrawNow();

//        }

    __VTPRINTEXITR( "VidCtrlBase.SetBlind %d", iBlindStatus )

    }

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

// CVtUiVideoControlBase::IsAlphaZero

// Checks if the alpha has been set to zero.

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

//

TBool CVtUiVideoControlBase::IsAlphaZero() const

    {

    __VTPRINTENTER( "VidCtrlBase.IsAlphaZero" )

    TBool isZero( EFalse );

    const CWsScreenDevice& sdev(

        *static_cast< CWsScreenDevice*>( SystemGc().Device() ) );

    if ( sdev.DisplayMode() == EColor16MA )

        {

        TRgb color;

        TPoint point( Rect().Center() );

        sdev.GetPixel( color, point );

        isZero = ( color.Alpha() == 0 );

        }

    __VTPRINTEXITR( "VidCtrlBase.IsAlphaZero %d", isZero )

    return isZero;

    }

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

// CVtUiVideoControlBase::SetAlpha

// Sets alpha.

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

//

void CVtUiVideoControlBase::SetAlpha( CWindowGc& aGc ) const

    {

    __VTPRINTENTER( "VidCtrlBase.SetAlpha" )

    aGc.SetDrawMode( CGraphicsContext::EDrawModeOR );

    aGc.SetBrushColor( TRgb( 0, 0, 0, 255 ) );

    aGc.SetBrushStyle( CGraphicsContext::ESolidBrush );

    aGc.Clear();

    aGc.Reset();

    __VTPRINTEXIT( "VidCtrlBase.SetAlpha" )

    }

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

// CVtUiVideoControlBase::SetStreamBitmap

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

//

void CVtUiVideoControlBase::SetStreamBitmap( CFbsBitmap* aStreamBitmap )

    {

    __VTPRINTENTER( "VidCtrlBase.SetStreamBitmap" )

    __VTPRINT2( DEBUG_GEN, "VidCtrlBase.SetStreamBitmap %d",

        (TInt) aStreamBitmap )

    const CFbsBitmap* oldBitmap( iStreamBitmap );

    iStreamBitmap = aStreamBitmap;

    iSetAlpha = IsAlphaZero();

    if ( iStreamBitmap )

        {

        RedrawStream();

        }

    else if ( oldBitmap )

        {

        DrawNow();

        }

    __VTPRINTEXIT( "VidCtrlBase.SetStreamBitmap" )

    }

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

// CVtUiVideoControlBase::SetStreamBitmapReserve

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

//

void CVtUiVideoControlBase::SetStreamBitmapReserve(

    CFbsBitmap* aStreamBitmap )

    {

    __VTPRINTENTER( "VidCtrlBase.SetStreamBitmapReserve" )

    __VTPRINT2( DEBUG_GEN, "VidCtrlBase.SetStreamBitmapReserve %d",

        (TInt) aStreamBitmap )

    const CFbsBitmap* oldBitmap( iStreamBitmap );

    iStreamBitmap = aStreamBitmap;

    if ( iStreamBitmap )

        {

        RedrawStream();

        }

    else if ( oldBitmap )

        {

        DrawNow();

        }

    __VTPRINTEXIT( "VidCtrlBase.SetStreamBitmapReserve" )

    }

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

// CVtUiVideoControlBase::SetWaiting

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

//

void CVtUiVideoControlBase::SetWaiting( TBool aShowWaitingText )

    {

    __VTPRINTENTER( "VidCtrlBase.SetWaiting" )

    if ( iWaitingTextShow != aShowWaitingText )

        {

        iWaitingTextShow = aShowWaitingText;

        WrapOnDemand();

        DrawNow();

        }

    __VTPRINTEXITR( "VidCtrlBase.SetWaiting %d", iWaitingTextShow )

    }

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

// CVtUiVideoControlBase::Redraw

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

//

void CVtUiVideoControlBase::Redraw()

    {

    __VTPRINTENTER( "VidCtrlBase.Redraw" )

    if ( iStreamBitmap )

        {

        __VTPRINT( DEBUG_GEN, "VidCtrlBase.Redraw drawing" );

        DrawNow();

        }

    __VTPRINTEXIT( "VidCtrlBase.Redraw" )

    }