/*

* Copyright (c) 2009-2009 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: UI status control

*

*/

#include "ccappstatuscontrol.h"

#include "MVPbkContactLink.h"

#include "TPbk2IconId.h"

#include <eikimage.h>

#include <eiklabel.h>

#include <AknIconUtils.h>

#include <AknUtils.h>

#include <avkon.mbg>

#include <gulicon.h>

#include <StringLoader.h>

#include <AknsFrameBackgroundControlContext.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <AknsUtils.h>

#include <AknsDrawUtils.h>

#include <touchfeedback.h>

#include <aknlayoutscalable_apps.cdl.h>

#include <Pbk2PresentationUtils.h>

namespace {

/// Amount of child UI components

const TInt KControlCount = 3; // image & label x 2

/// Max amount of lines used to show status text. Rest will be clipped

const TInt KStatusTextLines = 2;

const TText KGraphicReplaceCharacter    = ' ';

inline CGulIcon* CreateEmptyIconL()

    {               

    CFbsBitmap* image = NULL;

    CFbsBitmap* mask = NULL;

    AknIconUtils::CreateIconL( image, mask, 

            AknIconUtils::AvkonIconFileName(),

            EMbmAvkonQgn_prop_empty, 

            EMbmAvkonQgn_prop_empty_mask );                             

    return CGulIcon::NewL( image, mask );

    } 

inline void ReSizeIcon( CGulIcon* aIcon, const TSize& aSize )

    {

    if( aIcon )

        {

        CFbsBitmap* bitmap = aIcon->Bitmap();

        CFbsBitmap* mask = aIcon->Mask();

        if( bitmap )

            {

            AknIconUtils::SetSize( bitmap, aSize, EAspectRatioPreservedAndUnusedSpaceRemoved );

            }

        if( mask )

            {

            AknIconUtils::SetSize( mask, aSize, EAspectRatioPreservedAndUnusedSpaceRemoved );

            }

        }

    }

}   // namespace

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

// CCCAppStatusControl::NewL

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

//                            

EXPORT_C CCCAppStatusControl* CCCAppStatusControl::NewL( 

    CSpbContentProvider& aContentProvider, MCCAStatusControlObserver& aObserver )

    {

    CCCAppStatusControl* self= new(ELeave) CCCAppStatusControl( aContentProvider, aObserver );

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// CCCAppStatusControl::CCCAppStatusControl

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

//

CCCAppStatusControl::CCCAppStatusControl( 

    CSpbContentProvider& aContentProvider, MCCAStatusControlObserver& aObserver ) : 

    iContentProvider( aContentProvider ),

    iObserver( aObserver ),

    iState( EStateUndefined )

    {		

    } 

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

// CCCAppStatusControl::ConstructL

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

//

void CCCAppStatusControl::ConstructL() 	

    {            	

	// Create status icon image

    iStatusImage = new( ELeave ) CEikImage;		

    iStatusImage->SetAlignment( EHCenterVCenter );

    iStatusImage->SetPictureOwnedExternally( ETrue );    	

    iStatusImage->SetBrushStyle( CGraphicsContext::ENullBrush ); // transparent

    iStatusImage->MakeVisible( EFalse );

	// Create status text label

	iStatusLabel1 = new( ELeave ) CEikLabel;

	iStatusLabel1->SetAlignment( EHLeftVCenter );

	iStatusLabel1->SetTextL( KNullDesC() ); // CEikLabel will panic without text

    iStatusLabel1->MakeVisible( EFalse );

    iStatusLabel2 = new( ELeave ) CEikLabel;

    iStatusLabel2->SetAlignment( EHLeftVCenter );

    iStatusLabel2->SetTextL( KNullDesC() ); // CEikLabel will panic without text

    iStatusLabel2->MakeVisible( EFalse );

	iStatusText = KNullDesC().AllocL();

	iContentProvider.AddObserverL( *this );

    iBgContext = CAknsFrameBackgroundControlContext::NewL(

        KAknsIIDNone, TRect(), TRect(), EFalse );	

    // normal state by default

    iBgContext->SetFrame( KAknsIIDQsnFrButtonNormal );

    iBgContext->SetCenter( KAknsIIDQsnFrButtonCenterNormal );

    // stylus feedback support

    iTouchFeedBack = MTouchFeedback::Instance();

    }

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

// CCCAppStatusControl::~CCCAppStatusControl

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

//

CCCAppStatusControl::~CCCAppStatusControl()

    {	

    if( iTouchFeedBack )

        {

        iTouchFeedBack->RemoveFeedbackForControl( this );

        }

	iContentProvider.RemoveObserver( *this );

    delete iStatusImage;

    delete iStatusIcon;

    delete iStatusLabel1;    

    delete iStatusLabel2;    

    delete iStatusText;    

	delete iDefaultIcon;

    delete iBgContext; 

    delete iDefaultStatusText;

    delete iLink;

    }

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

// CCCAppStatusControl::SetPressed

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

//

void CCCAppStatusControl::SetPressed( TBool aPressed )

    {

    if( iPressed != aPressed )

        {

        iPressed = aPressed;

        if( iPressed )

            {

            // pressed

            iBgContext->SetFrame( KAknsIIDQsnFrButtonPressed );

            iBgContext->SetCenter( KAknsIIDQsnFrButtonCenterPressed );

            DrawNow(); // respond quickly to user event

            }

        else

            {

            // normal

            iBgContext->SetFrame( KAknsIIDQsnFrButtonNormal );

            iBgContext->SetCenter( KAknsIIDQsnFrButtonCenterNormal );

            DrawDeferred();

            }

        }

    }

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

// CCCAppStatusControl::IsPressed

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

//

TBool CCCAppStatusControl::IsPressed()

    {

    return iPressed;

    }

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

// CCCAppStatusControl::CountComponentControls

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

//

EXPORT_C void CCCAppStatusControl::SetContactLinkL( MVPbkContactLink& aLink )

	{

	delete iLink;

	iLink = NULL;

	iLink = aLink.CloneLC();

	CleanupStack::Pop(); // iLink

	delete iStatusText;

	iStatusText = NULL;

	TPbk2IconId iconId;

    CSpbContentProvider::TSpbContentType type = CSpbContentProvider::ETypeNone; 

	iContentProvider.GetContentL( *iLink, iStatusText, iconId, type );			

	}

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

// CCCAppStatusControl::SetDefaultStatusIconL

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

//

EXPORT_C void CCCAppStatusControl::SetDefaultStatusIconL( CGulIcon* aDefaultStatusIcon )

	{

	delete iDefaultIcon;

	iDefaultIcon = aDefaultStatusIcon;

	if( iStatusIconSize != TSize() && iState == EStateDefaultContent )

        {

        ShowDefaultContentL();

        }

	}

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

// CCCAppStatusControl::SetDefaultStatusTextL

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

//

EXPORT_C void CCCAppStatusControl::SetDefaultStatusTextL( HBufC* aDefaultStatusText ) 		

	{

	delete iDefaultStatusText;

	iDefaultStatusText = aDefaultStatusText;

	if( iState == EStateDefaultContent )

	    {

        ShowDefaultContentL();

	    }

	}

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

// CCCAppStatusControl::CountComponentControls

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

//

TInt CCCAppStatusControl::CountComponentControls() const

    {

    return KControlCount;

    }

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

// CCCAppStatusControl::ComponentControl

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

//

CCoeControl* CCCAppStatusControl::ComponentControl( TInt aIndex )  const

    {

    switch( aIndex )

        {

        case 0:

            {

            return  iStatusImage;

            }

        case 1:

            {

            return iStatusLabel1;

            }        

        case 2:

            {

            return iStatusLabel2;

            }        

        }

    return NULL;

    }

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

// CCCAppStatusControl::SetVariableLayouts

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

//

void CCCAppStatusControl::SetVariableLayouts( TInt aOption )

    {

    const TRect rect(Rect());

    // set background graphics layout

    TAknWindowComponentLayout innerLayout(

            AknLayoutScalable_Apps::bg_button_pane_cp033( aOption ) );

    TAknLayoutRect innerLayoutRect;

    innerLayoutRect.LayoutRect( rect, innerLayout.LayoutLine() );

    TRect innerRect( innerLayoutRect.Rect() );

    iBgContext->SetFrameRects( rect, innerRect );      

    // status icon

    TAknWindowComponentLayout statusIconLayout( 

            AknLayoutScalable_Apps::phob2_cc_button_pane_g1( aOption ) );

    TAknLayoutRect statusIconLayoutRect;

    statusIconLayoutRect.LayoutRect( Rect(), statusIconLayout.LayoutLine() );

    TRect statusIconRect( statusIconLayoutRect.Rect() );

    iStatusIconSize = statusIconRect.Size();

    iStatusImage->SetRect( statusIconRect );

    // status label 1

    AknLayoutUtils::LayoutLabel( 

            iStatusLabel1, 

            rect, 

            AknLayoutScalable_Apps::phob2_cc_button_pane_t1( aOption ) ); 

    // resize images for new resolution

    ReSizeIcon( iStatusIcon, iStatusIconSize );

    ReSizeIcon( iDefaultIcon, iStatusIconSize );

    }

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

// CCCAppStatusControl::SizeChanged

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

//

void CCCAppStatusControl::SizeChanged()

    {

    const TRect rect( Rect() );

    // update stylus feedback

    if( iTouchFeedBack )

        {

        iTouchFeedBack->ChangeFeedbackArea( this, 0, rect );

        }

    // status label 2

    AknLayoutUtils::LayoutLabel( 

            iStatusLabel2, 

            rect, 

            AknLayoutScalable_Apps::phob2_cc_button_pane_t2( 0 ) );

    TInt count(0);

    // If this leaves, it means we're out of memory. Nothing we can do.

    TRAP_IGNORE( count = RewrapStatusTextL() ); 

    TInt option( 1 );

    if( count > 1 )

        {

        option = 0;

        }

    SetVariableLayouts( option );

    }

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

// CCCAppStatusControl::HandlePointerEventL

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

//

void CCCAppStatusControl::HandlePointerEventL(

    const TPointerEvent& aPointerEvent)

    {

    CCoeControl::HandlePointerEventL( aPointerEvent );

    if ( aPointerEvent.iType == TPointerEvent::EButton1Down )

    	{

        SetPressed( ETrue );

    	}

    else if ( aPointerEvent.iType == TPointerEvent::EButton1Up )

        {

        SetPressed( EFalse );

        if( Rect().Contains( aPointerEvent.iPosition ) )

            {

            // stylus released inside the button area

            iObserver.StatusClickedL();

            }

        }

    else if( aPointerEvent.iType == TPointerEvent::EDrag )

        {

        if( Rect().Contains( aPointerEvent.iPosition ) )

            {

            // stylus moved inside the button area

            SetPressed( ETrue );

            }

        else

            {

            // stylus moved outside the button area

            SetPressed( EFalse );

            }

        }    

  	}

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

// CCCAppStatusControl::SetContainerWindowL

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

//

void CCCAppStatusControl::SetContainerWindowL( 

    const CCoeControl& aContainer )

    {

    CCoeControl::SetContainerWindowL( aContainer );

    // Assign window for child controls too

    TInt childCount = CountComponentControls();

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

        {

        ComponentControl( i )->SetContainerWindowL( *this );

        }

    // stylus feedback can be set only after we have parent control (window owning)

    if( iTouchFeedBack )

        {

        CFeedbackSpec* spec = CFeedbackSpec::New();

        if( spec )

            {

            spec->AddFeedback( ETouchEventStylusDown, ETouchFeedbackBasicButton );

            iTouchFeedBack->SetFeedbackArea( this, 0, Rect(), spec );

            delete spec;

            }

        }    

    }

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

// CCCAppStatusControl::ContentUpdated

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

//

void CCCAppStatusControl::ContentUpdated( MVPbkContactLink& aLink,

	MSpbContentProviderObserver::TSpbContentEvent aEvent )

	{

	TRAP_IGNORE( DoStatusUpdateL( aLink, aEvent ) );

	}

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

// CCCAppStatusControl::DoStatusUpdateL

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

//

void CCCAppStatusControl::DoStatusUpdateL( MVPbkContactLink& aLink,

    MSpbContentProviderObserver::TSpbContentEvent aEvent )

    {

    if( aEvent == EContentNotAvailable )

        {

		ShowDefaultContentL();

        }

    else if( iLink && iLink->IsSame( aLink ) )

        {

        iState = EStateStatusContent;

        delete iStatusText;

        iStatusText = NULL;

        TPbk2IconId iconId;

        CSpbContentProvider::TSpbContentType type = CSpbContentProvider::ETypeNone; 

        iContentProvider.GetContentL( aLink, iStatusText, iconId, type );

        TInt count( RewrapStatusTextL() );

        TInt option( 1 );

        if( count > 1 )

            {

            option = 0;

            }

        SetVariableLayouts( option );

        CGulIcon* icon = NULL;

        TRAP_IGNORE( 

                {

                icon = iContentProvider.CreateServiceIconLC( iconId );

                CleanupStack::Pop( icon );

                } );

        if( !icon )

            {

            icon = CreateEmptyIconL();

            }

        delete iStatusIcon;

        // iStatusIcon owns bitmaps 

        iStatusIcon = icon;

        ReSizeIcon( iStatusIcon, iStatusIconSize );

        iStatusImage->SetPicture( iStatusIcon->Bitmap(), iStatusIcon->Mask() );

        iStatusImage->MakeVisible( ETrue );

        DrawDeferred();

        }

    }

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

// CCCAppStatusControl::RewrapStatusTextToArrayL

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

//

inline void CCCAppStatusControl::RewrapStatusTextToArrayL( 

        TDes& aStatusText, 

        CArrayFix<TPtrC>& aTxtArray )

    {

    // generate array of line lengths 

    CArrayFixFlat<TInt>* array = 

        new(ELeave) CArrayFixFlat<TInt>( KStatusTextLines );

    CleanupStack::PushL( array );

    // check width and font from label 2, because label 2 layout is 

    // set before this function is called

    const TInt width( iStatusLabel2->Size().iWidth );

    array->AppendL( width );

    array->AppendL( width );

    const CFont* font = iStatusLabel2->Font();

    // wrap text

    AknTextUtils::WrapToArrayAndClipL( 

            aStatusText,             

            *array, 

            *font,                     

            aTxtArray );

    CleanupStack::PopAndDestroy( array );

    }

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

// CCCAppStatusControl::RewrapStatusTextL

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

//

TInt CCCAppStatusControl::RewrapStatusTextL()