/*

* Copyright (c) 2007-2010 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:  BatteryPopupControl implementation

*

*/

#include <AknUtils.h>

#include <AknPanic.h>

#include <AknPreviewPopUpController.h>

#include <aknglobalpopupprioritycontroller.h>

#include <barsread.h> // TResourceReader

#include <eiklabel.h>

#include <fbs.h>

#include <aknappui.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <AknsDrawUtils.h>

#include <AknBidiTextUtils.h>

#include <data_caging_path_literals.hrh> // KDC_RESOURCE_FILES_DIR

#include <batterypopupcontrol.mbg>

// ----------- Touch feedback additions start

#ifdef RD_TACTILE_FEEDBACK

#include <touchfeedback.h>

#endif //RD_TACTILE_FEEDBACK

// ----------- Touch feedback additions end

#include <gulicon.h>

#include "batterypopupcontrol.h"

#include "trace.h"

// Constants

const TInt KPopupShowDelay = 0;       // Show immediately

const TInt KPopupHideDelay = 3000000; // hide after 3 sec

const TInt KMaxLinkTextLength = 255;

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

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

// Default constructor.

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

//

CBatteryPopupControl::CBatteryPopupControl(): 

    iHighlightedItem( EFalse )

    {

    FUNC_LOG

    }

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

// CBatteryPopupControl::NewL

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

//

EXPORT_C CBatteryPopupControl* CBatteryPopupControl::NewL(

        const TDesC& aContentText,

        const TDesC& aLinkText )

    {

    FUNC_LOG

    CBatteryPopupControl* self =

                            new ( ELeave ) CBatteryPopupControl();

    CleanupStack::PushL( self );

    self->ConstructL( aContentText, aLinkText );

    CleanupStack::Pop( self );

    return self;

    }    

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

// Destructor

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

//

EXPORT_C CBatteryPopupControl::~CBatteryPopupControl()

    {  

    FUNC_LOG   

    delete iController;

    delete iText;

    delete iIcon;

    delete iLinkText;

    } 

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

// CBatteryPopupControl::SetCommandObserver

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

//

EXPORT_C void CBatteryPopupControl::SetCommandObserver(

        MEikCommandObserver& aCommandObserver )

    {

    FUNC_LOG

    iCommandObserver = &aCommandObserver;

    }

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

// CBatteryPopupControl::ShowPopUpL

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

//

EXPORT_C void CBatteryPopupControl::ShowPopUpL()

    {    

    FUNC_LOG

    iController = CAknPreviewPopUpController::NewL( *this, CAknPreviewPopUpController::ELayoutDefault | CAknPreviewPopUpController::EDontClose );            

    iController->AddObserverL( *this );

    // Set popup's hide/show delays

    iController->SetPopUpShowDelay( KPopupShowDelay );

    iController->SetPopUpHideDelay( KPopupHideDelay );

    // Position

    TPoint uipRect;

    if( AknLayoutUtils::LayoutMetricsPosition( 

        AknLayoutUtils::EBatteryPane, uipRect ) )

        {

        iController->SetPosition( uipRect );

        }

    // Launch

    iController->ShowPopUp();  

    }

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

// From class CCoeControl.

// CBatteryPopupControl::HandleResourceChange

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

//

void CBatteryPopupControl::HandleResourceChange(

        TInt aType )

    {

    FUNC_LOG

    CCoeControl::HandleResourceChange( aType );

    if ( aType == KEikDynamicLayoutVariantSwitch )

        {

        SizeChanged();

        }

    }

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

// From class CCoeControl.

// CBatteryPopupControl::SetContainerWindowL

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

//

void CBatteryPopupControl::SetContainerWindowL(

        const CCoeControl& aContainer )

    {

    FUNC_LOG

    CCoeControl::SetContainerWindowL( aContainer );

    if( iText )

        {

        iText->SetContainerWindowL( aContainer );

        }

    }

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

// From class MCoeControlObserver.

// CBatteryPopupControl::HandleControlEventL

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

//

void CBatteryPopupControl::HandleControlEventL(

        CCoeControl* /*aControl*/,

        TCoeEvent /*aEventType*/ )

    {

    FUNC_LOG

    }

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

// From MAknPreviewPopUpObserver

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

//

void CBatteryPopupControl::HandlePreviewPopUpEventL(

    CAknPreviewPopUpController* /*aController*/,

    TPreviewPopUpEvent aEvent )

    {

    FUNC_LOG

    switch ( aEvent )

        {

        case EPreviewPopUpShown:

            AknGlobalPopupPriorityController::ShowPopup( *this, ETrue );

            break;

        case EPreviewPopUpHidden:

            AknGlobalPopupPriorityController::RemovePopupPriority( *this );

            break;

        }

    }

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

// CAknStylusActivatedPopUpContent::ConstructL

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

//

void CBatteryPopupControl::ConstructL( const TDesC& aContentText,

                                       const TDesC& aLinkText )

    {

    FUNC_LOG

    if( aContentText != KNullDesC )

        {           

        iText = new ( ELeave ) CEikLabel;

        iText->SetTextL( aContentText );

        CreateIconL();

        }

    if( aLinkText != KNullDesC )

        {

        // Check if only link is displayed.

        if( aContentText != KNullDesC )

            {

            iVariant = EVariantIconTextLink;

            }      

        iLinkText = aLinkText.AllocL(); 

        }

    TRect rectPopUpWindow = PopUpWindowRectFromLayout( 

        AknLayoutScalable_Avkon::popup_battery_window( iVariant ) );

    TAknWindowComponentLayout infoPaneLayout =

        AknLayoutScalable_Avkon::bg_popup_sub_pane_cp25( iVariant );

    TRect rectInfoPane = RectFromLayout( rectPopUpWindow, infoPaneLayout );

    TAknTextComponentLayout textLayout =

        AknLayoutScalable_Avkon::popup_battery_window_t1( iVariant );

    TAknLayoutText textRect;

    textRect.LayoutText( rectPopUpWindow, textLayout );

    // Font for command links

    iFont = textRect.Font();    

    }

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

// From class CCoeControl.

// CBatteryPopupControl::ComponentControl

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

//

CCoeControl* CBatteryPopupControl::ComponentControl(

        TInt aIndex ) const

    {

    FUNC_LOG	

    switch ( aIndex )

        {

        case 0:

            {

            if( iText )

                {

                return iText;             

                }

            }        

        default:

            __ASSERT_ALWAYS( aIndex >= 0, User::Panic( 

                _L("CBatteryPopupControl::ComponentControl"), EAknPanicOutOfRange ) );

            return NULL;

        }        

    }

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

// From class CCoeControl.

// CBatteryPopupControl::CountComponentControls

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

//

TInt CBatteryPopupControl::CountComponentControls() const

    {

    FUNC_LOG

    TInt count = 0;   

    if( iText )

        {

        count++;

        }

    return count;

    }

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

// From class CCoeControl.

// CBatteryPopupControl::Draw

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

//

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

    {

   FUNC_LOG

    CWindowGc& gc = SystemGc();

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    if( iIcon )

        {

        TRgb color( KRgbWhite ); // Default never used

        AknsUtils::GetCachedColor( skin, color, 

                KAknsIIDQsnIconColors, EAknsCIQsnIconColorsCG6  );

        if (AknIconUtils::IsMifIcon(iIcon->Bitmap()))

            {

            AknIconUtils::SetIconColor( iIcon->Bitmap(), color );

            }

        AknIconUtils::SetSize( iIcon->Bitmap(), iBitmapLayout.Rect().Size() );

        iBitmapLayout.DrawImage( gc, iIcon->Bitmap(), iIcon->Mask() );

        gc.Reset();

        }

    gc.SetPenStyle( CGraphicsContext::ESolidPen );

    const CFont* font = iFont;

    if ( !font )

        {

        font = iCoeEnv->NormalFont();

        }

    gc.UseFont( font );

    if(iText)

        {

        TRect rect( iLinkRect );

        TRgb textContentColor;

        TInt err = AknsUtils::GetCachedColor( skin, textContentColor, KAknsIIDQsnTextColors, EAknsCIQsnTextColorsCG6 );

        if (!err)

            {

            TRAP_IGNORE( AknLayoutUtils::OverrideControlColorL( *iText,

                    EColorLabelText, textContentColor ) );

            }

        gc.SetPenColor( textContentColor );

        TInt textBaseLineOffset = 0;

        textBaseLineOffset = (rect.Height() - font->FontMaxHeight())/2;

        gc.DrawText( *(iText->Text()), rect, textBaseLineOffset, CGraphicsContext::ELeft );

        //gc.Reset();

        }

    TRgb textColor;

    AknsUtils::GetCachedColor( skin, textColor, KAknsIIDQsnHighlightColors,

                               EAknsCIQsnHighlightColorsCG3 );

    gc.SetPenColor( textColor );

    gc.SetUnderlineStyle( EUnderlineOn );

    if(iLinkText)

        {

        TRect rect( iLinkRect );

        if ( Background() )

            {

            Background()->Draw( gc, *this, rect );

            }

        // buffer for visually ordered text

        HBufC* visualText = NULL; 

        TRAPD( err, visualText = HBufC::NewL( KMaxLinkTextLength + 

            KAknBidiExtraSpacePerLine ) ); 

        if ( err != KErrNone )

            {

            return; 

            }

        TPtr ptr = visualText->Des(); 

        TInt clipWidth = rect.Width();

        if ( iHighlightedItem ) 

            {

            TRgb highlightcolor = AKN_LAF_COLOR( 244 );

            AknsUtils::GetCachedColor( skin, highlightcolor, 

                                       KAknsIIDQsnHighlightColors, EAknsCIQsnHighlightColorsCG1 );

            gc.SetBrushColor( highlightcolor );

            gc.SetBrushStyle( CGraphicsContext::ESolidBrush ); 

            }

        else

            {

            gc.SetBrushStyle( CGraphicsContext::ENullBrush );

            }

        // bidi processing - using AknBidiTextUtils.

        AknBidiTextUtils::ConvertToVisualAndClip(

            *(iLinkText),

            ptr,

            *font,

            clipWidth,

            clipWidth );

        TInt baselineOffset = 0;

        baselineOffset = font->AscentInPixels() +

            ( rect.Height() - font->AscentInPixels() ) / 2;

        gc.DrawText( ptr, rect, baselineOffset, 

            CGraphicsContext::ELeft );

        delete visualText; 

        }

    }

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

// From class CCoeControl.

// CBatteryPopupControl::MinimumSize

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

//

TSize CBatteryPopupControl::MinimumSize()

    {

    FUNC_LOG

    TInt nbrOfInfoLines = 0;

    TInt minWidth = 0;

    if( iText )

        {

        nbrOfInfoLines = iText->NumberOfLines();

        CEikLabel* textLabel; 

        for ( TInt i=0; i < nbrOfInfoLines; i++ )

            {

            textLabel = iText;

            TPtrC ptrText = ( *textLabel->Text() );

            minWidth = Max( textLabel->CalcMinimumSize( ptrText ).iWidth, minWidth ); 

            }

        }

    if(iLinkText)

        {     

        TInt tempWidth = iFont->TextWidthInPixels( *( iLinkText ) );

        minWidth = Max( minWidth, tempWidth );

        }

    TInt rectWidth = 0;

    TAknWindowComponentLayout infoPaneLayout = 

        AknLayoutScalable_Avkon::bg_popup_sub_pane_cp25( iVariant );

    TRect rectPopUpWindow =  PopUpWindowRectFromLayout( 

        AknLayoutScalable_Avkon::popup_battery_window( iVariant ) );   

    TRect rectInfoPane = RectFromLayout( rectPopUpWindow, infoPaneLayout );

    rectWidth = Max( rectInfoPane.Width(), minWidth ); 

    TInt rectHeight = rectInfoPane.Height();

    return TSize( rectWidth, rectHeight ); 

    }

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

// From class CCoeControl.

// CBatteryPopupControl::SizeChanged

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

//

void CBatteryPopupControl::SizeChanged()

    {

    FUNC_LOG 	

    // Get popup window rect

    TRect rectPopUpWindow =  PopUpWindowRectFromLayout( 

        AknLayoutScalable_Avkon::bg_popup_sub_pane_cp25( iVariant ) );

    // Get pane icon and text layouts

    TAknWindowLineLayout paneIconLayout(

        AknLayoutScalable_Avkon::popup_battery_window_g1(iVariant));

    //Set icon and text rects

    if( iIcon )

        {

        iBitmapLayout.LayoutRect( rectPopUpWindow, paneIconLayout );

        }

    if( iText )

        {

        TAknTextComponentLayout textLayout =

        AknLayoutScalable_Avkon::popup_battery_window_t1( iVariant );

        TAknLayoutText textRect;

        textRect.LayoutText( rectPopUpWindow, textLayout );

        iText->SetRect( textRect.TextRect() );    

        // Set text font

        iText->SetFont( textRect.Font() );

        }

    // Set link text rect

    if( iLinkText )

        {

        TAknLayoutText linkLayoutText;

        // popup_battery_window_t2 doesn't have other variants as EVariantIconTextLink

        linkLayoutText.LayoutText( rectPopUpWindow,

            AknLayoutScalable_Avkon::popup_battery_window_t2( EVariantIconTextLink ) );

        iFont = linkLayoutText.Font();

        TInt tempWidth = iFont->TextWidthInPixels( *(iLinkText) );

        TRect tempRect;

        if( iText )

            {                     

            tempRect = TRect( linkLayoutText.TextRect() ); 

            }

        else

            {

            TAknLayoutRect linkLayout;

            linkLayout.LayoutRect( rectPopUpWindow, paneIconLayout );

            tempRect = TRect( linkLayout.Rect() );            

            }

        tempRect.SetWidth( tempWidth );

        iLinkRect = tempRect;

        }

    }

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

// RectFromLayout

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

//

TRect CBatteryPopupControl::RectFromLayout( const TRect& aParent,

        const TAknWindowComponentLayout& aComponentLayout ) const

    {

    TAknWindowLineLayout lineLayout = aComponentLayout.LayoutLine();