/*

* Copyright (c) 2007 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:  MusIndicatorApi provides means to show notes and indicate

*                availability of videosharing to user.

*

*/

#include "musindicatordsa.h"

#include "muslogger.h"

#include "musresourceutil.h"

#include "musresourcefinderutil.h"

#include <e32cmn.h>

#include <e32std.h>

#include <musindicator.rsg>

#include <eikenv.h>

#include <coefontprovider.h>

#include <AknsDrawUtils.h>

#include <eikappui.h>

#include <musindicatoricons.mbg>

#include <AknUtils.h>

// constants

// Size and positions

const TInt KMusIndicatorWindowHeight = 50;

const TInt KMusIndicatorWindowShrink = 2;

const TInt KMusSpaceBetweenImageAndText = 5;

// appereance

const TInt KMusIndicatorBorderRoundedCorners = 6;

const TInt KMusIndicatorBorderSize = 1;

//const TInt KMusIndicatorFontPenSize = 1;

CMusIndicatorDsa* CMusIndicatorDsa::NewL()

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::NewL" )

    CMusIndicatorDsa* self = new (ELeave) CMusIndicatorDsa();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::NewL" )

    return self;

    }

CMusIndicatorDsa::CMusIndicatorDsa()

    : iActivateCallBack( CMusIndicatorDsa::TryActivate, this ),

      iRedrawCallBack( CMusIndicatorDsa::DoHandleResourceChange, this )

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::CMusIndicatorDsa" )

    iBorderColor = KRgbBlack;

    iBorderBgColor = KRgbWhite;

    iFontColor = KRgbBlack;

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::CMusIndicatorDsa" )

    }

CMusIndicatorDsa::~CMusIndicatorDsa()

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::~CMusIndicatorDsa" )

    StopPeriodicTimer();    

    delete iPeriodic;

    delete iIcon;

    delete iIconMask;

    delete iText;

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::~CMusIndicatorDsa" )

    }

const CFont& CMusIndicatorDsa::Font() const

    {

    TCoeFont coeFont = TCoeFont::NormalFont();

    TZoomFactor zoomFactor = AccumulatedZoom();

    return FindFontProvider().Font(coeFont, zoomFactor);

    }

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

//

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

//

void CMusIndicatorDsa::ConstructL()

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::ConstructL" )

    iPeriodic = CPeriodic::NewL( CActive::EPriorityStandard );

    LoadResourceStringL();

    LoadImageL();

    CreateWindowL();

    Initialize();

    TryActivateL();

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::ConstructL" )

    }

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

// 

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

//

void CMusIndicatorDsa::TryActivateL()

    {

    MAknsControlContext* cc = 

        AknsDrawUtils::ControlContext( ControlEnv()->AppUi()->TopFocusedControl() );

    if ( cc )

        {

        StopPeriodicTimer();

        ActivateL();

        }

    else

        {

        StartPeriodicTimer( iActivateCallBack );

        }

    }

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

// Called by framework to redraw the screen area.

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

//

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

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::Draw" )

    MUS_LOG2( "mus: [MUSIND] : x=%d,y=%d", aRect.iTl.iX, aRect.iTl.iY )

    MUS_LOG2( "mus: [MUSIND] : x=%d,y=%d", aRect.iBr.iX, aRect.iBr.iY )

    CWindowGc& gc = SystemGc();

    TSize screenSizeNow = ControlEnv()->ScreenDevice()->SizeInPixels();

    if ( screenSizeNow != iScreenSize )

        {

        StartPeriodicTimer( iRedrawCallBack );

        }

    MAknsControlContext* cc = 

        AknsDrawUtils::ControlContext( ControlEnv()->AppUi()->TopFocusedControl() );

    MUS_LOG1( "mus: [MUSIND] : cc = %d", cc )

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    MUS_LOG1( "mus: [MUSIND] : skin = %d", skin )

    TRgb fontColor;

    AknsUtils::GetCachedColor( skin, fontColor, 

                               KAknsIIDQsnTextColors, EAknsCIQsnTextColorsCG6 );

    TRgb borderColor = fontColor;

    TBool backgroundWithBitmap = 

                ( skin && !cc ) ? 

                 EFalse :

                 AknsDrawUtils::Background( skin, cc,this,gc,aRect,KAknsDrawParamDefault );

    if( !backgroundWithBitmap )

        {

        MUS_LOG( "mus: [MUSIND] : Clearing rect with null brush") 

        gc.SetBrushStyle( CGraphicsContext::ENullBrush );

        gc.Clear( aRect );

        }

    else

        {

        MUS_LOG( "mus: [MUSIND] : rect was cleared with bitmap") 

        }

    gc.UseFont( &Font() );

    // Border initialization                   

    gc.SetBrushStyle( CGraphicsContext::ENullBrush );

    // Draw border

    MUS_LOG( "mus: [MUSIND] : Draw border") 

    gc.SetPenStyle( CGraphicsContext::ESolidPen );

    gc.SetPenColor( borderColor );

    gc.SetPenSize(

        TSize( KMusIndicatorBorderSize, KMusIndicatorBorderSize ) );

    gc.DrawRoundRect( iScreenRect,

                        TSize( KMusIndicatorBorderRoundedCorners,

                               KMusIndicatorBorderRoundedCorners ) );

    /* 

    // Draw smaller border with other color

    MUS_LOG( "mus: [MUSIND] : Draw smaller border with other color") 

    gc.SetPenColor( iBorderBgColor );

    TRect smallerRect = iScreenRect;

    smallerRect.Shrink( KMusIndicatorBorderSize, KMusIndicatorBorderSize );

    gc.DrawRoundRect( smallerRect,

                        TSize( KMusIndicatorBorderRoundedCorners,

                               KMusIndicatorBorderRoundedCorners ) );

    // Font outline initialization

    MUS_LOG( "mus: [MUSIND] : Draw text outlines") 

    gc.SetPenColor( iBorderBgColor );

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

    // Draw text outlines

    TPoint outlineTextPos = iTextpos;

    outlineTextPos -= TPoint( 1, 1 );

    gc.DrawText( *iText, outlineTextPos );

    */

    // Font initialization

    gc.SetPenColor( fontColor );

    // Draw text

    MUS_LOG( "mus: [MUSIND] : Draw text") 

    gc.DrawText( *iText, iTextpos );

    gc.BitBltMasked( iImagepos, 

                       iIcon, 

                       TRect( 0, 0, iImageSize.iWidth, iImageSize.iHeight ),

                       iIconMask, 

                       EFalse );

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::Draw" )

    }

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

// 

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

//

void CMusIndicatorDsa::HandleResourceChange( TInt aType )

    {

    if ( aType == KEikDynamicLayoutVariantSwitch )

        {

        Initialize();

        DrawDeferred();

        }

    StopPeriodicTimer();

    }

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

// Calculates topleft position of drawn text.

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

//

void CMusIndicatorDsa::Initialize()

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::Initialize" )

    TRect clientRect = CEikonEnv::Static()->EikAppUi()->ClientRect();

    MUS_LOG2( "mus: [MUSIND] clientrect : x=%d,y=%d", clientRect.iTl.iX, clientRect.iTl.iY )

    MUS_LOG2( "mus: [MUSIND] clientrect : x=%d,y=%d", clientRect.iBr.iX, clientRect.iBr.iY )

    iScreenSize = ControlEnv()->ScreenDevice()->SizeInPixels();

    //test (indicator goes inside options menu area)  

    //clientRect.iTl.iY = 150;

    SetPosition( clientRect.iTl );

    SetSize(

        TSize( iScreenSize.iWidth, KMusIndicatorWindowHeight ) );

    iScreenRect = TRect(

        TPoint( 0, 0 ),

        TSize( iScreenSize.iWidth, KMusIndicatorWindowHeight ) );

    iScreenRect.Shrink( KMusIndicatorWindowShrink, KMusIndicatorWindowShrink );

    TInt imagePlusTextWidth = Font().TextWidthInPixels( *iText ) + 

            iImageSize.iWidth + KMusSpaceBetweenImageAndText;

    iImagepos.iX = ( iScreenRect.Width() - imagePlusTextWidth )  >> 1;

    iImagepos.iY = ( iScreenRect.Height() - iImageSize.iHeight ) >> 1;

    // Text position

    iTextpos.iX = iImagepos.iX + iImageSize.iWidth + KMusSpaceBetweenImageAndText;

    iTextpos.iY = ( iScreenRect.Height() >> 1 ) +

                  ( Font().HeightInPixels() >> 1 ) +

                    iScreenRect.iTl.iY;

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::Initialize" )

    }

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

// Loads displayed image.

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

//

void CMusIndicatorDsa::LoadImageL()

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::LoadImageL" )

    if ( iIcon || iIconMask )

        {

        MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::LoadImageL" )

        return;

        }

    _LIT( KMyBitmapRomFile, "Z:\\resource\\apps\\musindicatoricons.mbm" );

    _LIT( KMyBitmapRamFile, "C:\\resource\\apps\\musindicatoricons.mbm" );

    TFileName imageFileName;

    if ( MusResourceFinderUtil::IsExistL( KMyBitmapRomFile ) ) 

        {

        imageFileName = KMyBitmapRomFile;

        }

    else if ( MusResourceFinderUtil::IsExistL( KMyBitmapRamFile ) ) 

        {

        imageFileName = KMyBitmapRamFile;

        }

    else

        {

        MUS_LOG( "mus: [MUSIND]  Icon File Not Found!" );

        User::Leave( KErrNotFound );

        } 

    iIcon = new ( ELeave ) CFbsBitmap();

    iIconMask = new ( ELeave ) CFbsBitmap();

    // Enumerations of mbg file are usable only when vector images

    // in mif file are used. Those cannot be loaded without UI components.

    const TInt KMusIndicatorIconIndex = 0;

    const TInt KMusIndicatorIconMaskIndex = 1;

    User::LeaveIfError( 

        iIcon->Load( imageFileName, KMusIndicatorIconIndex ) );

    User::LeaveIfError( 

        iIconMask->Load( imageFileName, KMusIndicatorIconMaskIndex ) );

    iImageSize = iIcon->SizeInPixels();

    // Crop icon if it is too big

    if ( iImageSize.iHeight > KMusIndicatorWindowHeight )

        {

        TInt newHeight = KMusIndicatorWindowHeight >> 1;

        TInt newWidth = 

            TReal( iImageSize.iHeight / iImageSize.iWidth  ) * newHeight;

        iIcon->Resize( TSize( newHeight, newWidth ) );

        iIconMask->Resize( TSize( newHeight, newWidth ) );

        }

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::LoadImageL" )

    }

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

//

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

//

void CMusIndicatorDsa::LoadResourceStringL()

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::LoadResourceStringL" )

    delete iText;

    iText = NULL;

    iText = MusResourceUtil::ReadResourceString16L(

        R_MUSINDICATOR_NOTE_VSREADY_TXT,

        KMusIndicatorResource );

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::LoadResourceStringL" )

    }

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

// Periodic timer completion

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

//

TInt CMusIndicatorDsa::TryActivate( TAny* aThis )

    {

    if ( !aThis )

        {

        return KErrArgument;

        }

    CMusIndicatorDsa* handle = static_cast< CMusIndicatorDsa* > ( aThis );

    TInt error = KErrNone;

    TRAP( error, handle->TryActivateL() );

    return error;

    }

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

// Periodic timer completion

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

//

TInt CMusIndicatorDsa::DoHandleResourceChange( TAny* aThis )

    {

    if ( !aThis )

        {

        return KErrArgument;

        }

    CMusIndicatorDsa* handle = static_cast< CMusIndicatorDsa* > ( aThis );

    handle->HandleResourceChange( KEikDynamicLayoutVariantSwitch );

    return KErrNone;

    }

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

//

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

//

void CMusIndicatorDsa::StartPeriodicTimer( const TCallBack& aCallBack) const

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::StartPeriodicTimer" )

    if ( iPeriodic->IsActive() )

        {

        return;

        }

    TTimeIntervalMicroSeconds32 delay = 

            aCallBack.iFunction == CMusIndicatorDsa::TryActivate ?

                                  KMusIndicatorDelay : KMusRedrawDelay;

    iPeriodic->Start( delay, delay, aCallBack );

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::StartPeriodicTimer" )

    }

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

//

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

//

void CMusIndicatorDsa::StopPeriodicTimer()

    {

    MUS_LOG( "mus: [MUSIND] -> CMusIndicatorDsa::StopPeriodicTimer" )

    if( iPeriodic )

        {

        iPeriodic->Cancel();

        }

    MUS_LOG( "mus: [MUSIND] <- CMusIndicatorDsa::StopPeriodicTimer" )

    }

// End of file