/*

* Copyright (c) 2007-2008 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:  Dialog for selecting smile icon.

*

*/

// INCLUDE FILES

#include "cimcvappsmileicondialog.h"

#include "cimcvappsmileicongrid.h"

#include "imcvappsmileutility.hrh"

#include <AknDef.h>

#include <aknappui.h>

#include <AknUtils.h>

#include <aknconsts.h>

#include <aknborders.h>

#include <AknsDrawUtils.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <aknlists.h> 

#include <AknUtils.h> 

#include "imcvlogger.h"

#include "imcvuiapputils.h"

#include "e32property.h"

// CONSTANTS

const TInt KAknSctCBaButtonDirections = 3; // bottom, right and left

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

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

// CIMCVAppSmileIconDialog::NewL

// (other items were commented in a header).

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

CIMCVAppSmileIconDialog* CIMCVAppSmileIconDialog::NewL( 

            const RPointerArray<CGulIcon>& aIconArray,

			TInt& aSelectedIconId )

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::NewL() start") );

    CIMCVAppSmileIconDialog* self =

        new (ELeave) CIMCVAppSmileIconDialog( aIconArray, aSelectedIconId );

	IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::NewL() end") );

    return self;

    }

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

// CIMCVAppSmileIconDialog::~CIMCVAppSmileIconDialog

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

//

CIMCVAppSmileIconDialog::~CIMCVAppSmileIconDialog()

    {

    }

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

// CIMCVAppSmileIconDialog::CIMCVAppSmileIconDialog

// (other items were commented in a header).

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

//

CIMCVAppSmileIconDialog::CIMCVAppSmileIconDialog( 

                            const RPointerArray<CGulIcon>& aIconArray,

							TInt& aSelectedIconId )

:iIconArray( aIconArray ), iIconId( aSelectedIconId ), iLayoutChanged(EFalse)

    {

    }

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

// CIMCVAppSmileIconDialog::OfferKeyEventL

// Handle key event.

// If key code is other than OK and arrow key, no action.

// (other items were commented in a header).

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

//

TKeyResponse CIMCVAppSmileIconDialog::OfferKeyEventL(

    const TKeyEvent& aKeyEvent, TEventCode aType)

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::OfferKeyEventL() start") );

    TKeyResponse response( EKeyWasConsumed );

    switch( aKeyEvent.iCode )

        {

		// fall through

        case EKeyLeftArrow:

        case EKeyRightArrow:

        case EKeyUpArrow:

        case EKeyDownArrow:

            {

            CIMCVAppSmileIconGrid* grid =

				static_cast< CIMCVAppSmileIconGrid*>(

				Control( EIMIdSelectSmileGrid ) );

            grid->MoveCursor( aKeyEvent.iCode );

            break;

            }

        case EKeyEscape: // handle dialog shutdown.

            {

			TryExitL( EAknSoftkeyExit );

            return EKeyWasNotConsumed;

            }

        default:

            {

            response = CAknDialog::OfferKeyEventL(aKeyEvent, aType);

            break;

            }

        }

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::OfferKeyEventL() end") );

    return response;

    }

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

// CIMCVAppSmileIconDialog::OkToExitL

// Called when CBA-key or OK-key is pressed.

// (other items were commented in a header).

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

//

void CIMCVAppSmileIconDialog::HandleResourceChange( TInt aType )

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::HandleResourceChange() start") );

    if( aType == KEikDynamicLayoutVariantSwitch )

        {

		iLayoutChanged = ETrue;

		SetLayout();

        } 

	CAknDialog::HandleResourceChange( aType );

	IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::HandleResourceChange() end") );

    }

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

// CIMCVAppSmileIconDialog::OkToExitL

// Called when CBA-key or OK-key is pressed.

// (other items were commented in a header).

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

//

TBool CIMCVAppSmileIconDialog::OkToExitL( TInt aButtonId )

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::OkToExitL() start") );

    if( aButtonId == EAknSoftkeySelect ||

        aButtonId == EEikBidOk )

        {

		CIMCVAppSmileIconGrid* grid =

			static_cast< CIMCVAppSmileIconGrid*>(

			Control( EIMIdSelectSmileGrid ) );

		iIconId = grid->SelectedBitmapId();

        }

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::OkToExitL() end") );

    return ETrue;

    }

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

// CIMCVAppSmileIconDialog::PreLayoutDynInitL

// Prepare for drawing dialog.

// (other items were commented in a header).

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

//

void CIMCVAppSmileIconDialog::PreLayoutDynInitL()

    {

    SetLineNonFocusing( EIMIdSelectSmileLabel );

    EnableDragEvents();

    }

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

// CIMCVAppSmileIconDialog::SetSizeAndPosition

// Control size is set. This is called just after PreLayoutDynInitL().

// (other items were commented in a header).

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

//

void CIMCVAppSmileIconDialog::SetSizeAndPosition(const TSize& /*aSize*/)

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::SetSizeAndPosition() start") );

	SetLayout();

	IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::SetSizeAndPosition() end") );

    }

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

// CIMCVAppSmileIconDialog::CalculatePopupVariety

// (other items were commented in a header).

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

//

TInt CIMCVAppSmileIconDialog::CalculatePopupVariety()

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::CalculatePopupVariety() start") );

    TAknLayoutScalableParameterLimits smileyDialogVariety = 

    	AknLayoutScalable_Avkon::popup_grid_graphic_window_ParamLimits();

    TInt maxVariety = smileyDialogVariety.LastVariety();

    // CBA location affects popup layout

    AknLayoutUtils::TAknCbaLocation cbaLocation = AknLayoutUtils::CbaLocation();

    // bottom variety

    TInt maxVarietyOffset = 0;

    TInt varietyOffset = maxVariety + 1;

    // right variety

    if (cbaLocation == AknLayoutUtils::EAknCbaLocationRight)

        {

    	varietyOffset = (maxVariety + 1)/KAknSctCBaButtonDirections;

    	maxVarietyOffset = varietyOffset;

        }

    // left variety

    else if (cbaLocation == AknLayoutUtils::EAknCbaLocationLeft)

        {

    	varietyOffset = (maxVariety + 1)/KAknSctCBaButtonDirections;

    	maxVarietyOffset = varietyOffset + varietyOffset;

        }

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::CalculatePopupVariety() end") );

	if ((maxVarietyOffset + varietyOffset)>maxVariety)

		return maxVariety;

	else

    	return maxVarietyOffset + varietyOffset;

    }

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

// CIMCVAppSmileIconDialog::SetLayout

// Set dialog layout.

// (other items were commented in a header).

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

//

void CIMCVAppSmileIconDialog::SetLayout()

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::SetLayout() start"));

    iIsMirrored = AknLayoutUtils::LayoutMirrored();

    TRect clientRect; 

    //check LAF docs for constants

    //AknLayoutUtils::LayoutMetricsRect

    AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EApplicationWindow,

            clientRect);

    CIMCVAppSmileIconGrid* grid =

    static_cast<CIMCVAppSmileIconGrid*> (

    Control(EIMIdSelectSmileGrid));

    // Select correct popup layout

    TInt varietyNumber = CalculatePopupVariety();

    TRect rect = grid->GetFirstCellRect();

    TInt iconCount = iIconArray.Count();

    // calculating the number of rows required by the icon grid.

    TInt viewableWidth = 0;

    for (TInt i = varietyNumber; i >= 0; i--)

        {

        TAknWindowLineLayout popupGridDialogLayout(

                AknLayoutScalable_Avkon::popup_grid_graphic_window(i)); 

        TAknLayoutRect dialogRect;

        dialogRect.LayoutRect(clientRect, popupGridDialogLayout);

        viewableWidth = CheckDialog(dialogRect, rect);

        if (viewableWidth)

            {

            varietyNumber = i;

            break;

            }

        }

    if (viewableWidth)

        {

        TAknWindowLineLayout popupGridDialogLayout(

                AknLayoutScalable_Avkon::popup_grid_graphic_window(

                        varietyNumber));

        TAknLayoutRect dialogRect;

        dialogRect.LayoutRect(clientRect, popupGridDialogLayout);

        grid->SetViewableWindowWidth(viewableWidth);

        SetRect(dialogRect.Rect());

        }

    // If there is no suitable solution for the smiley dialog layout

    else

        {

        // No variety of the popup_grid_graphic_window has provided sufficient area

        // for the grid display. Hence selecting 0 variety for displaying the grid

        // because it has the greatest area.

        varietyNumber = 0;

        TAknWindowLineLayout popupGridDialogLayout(

                AknLayoutScalable_Avkon::popup_grid_graphic_window(

                        varietyNumber));

        TAknLayoutRect dialogRect;

        dialogRect.LayoutRect(clientRect, popupGridDialogLayout);

        if (!iIsMirrored)

            {

            // Right Margin of the top left (top right) icon's X

            TInt leftMargin = rect.iTl.iX;

            // Use the max viewable width

            viewableWidth = dialogRect.Rect().iBr.iX

                    - dialogRect.Rect().iTl.iX - leftMargin;

            }

        else

            {

            // Left Margin of the top left (top right) icon's X

            TInt rightMargin = rect.iBr.iX;

            // Use the max viewable width

            viewableWidth = dialogRect.Rect().iBr.iX

                    - dialogRect.Rect().iTl.iX + rightMargin;

            }

        grid->SetViewableWindowWidth(viewableWidth);

        if (!iIsMirrored)

            SetRect(dialogRect.Rect());

        // When the Hebrew is the language as well as the Arb languages

        // The align is not right

        else

            {

            TRect mirroredDialogRect;

            // Align to right.

            mirroredDialogRect = dialogRect.Rect();

            // Get the rect of the cba pane.

            TRect controlPaneRect;

            AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EControlPane,

                    controlPaneRect);

            TInt cbaWidth = controlPaneRect.iBr.iX - controlPaneRect.iTl.iX;

            mirroredDialogRect.iTl.iX -= cbaWidth;

            mirroredDialogRect.iBr.iX -= cbaWidth;

            SetRect(mirroredDialogRect);

            }

        }

    }

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

// CIMCVAppSmileIconDialog::CheckDialog

// Check if Dialog is suitable to fit all smile icon

// (other items were commented in a header).

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

TInt CIMCVAppSmileIconDialog::CheckDialog(TAknLayoutRect aDialogRect,TRect aRect)

		{

        // topMargin is the height of the margin which the smiley grid has 

        // above its top horizontal line and bottom horizontal line.

        TInt topMargin = aRect.Height();

        TRect dialogRect = aDialogRect.Rect();

        TInt vWidth = 0;

        TInt vheight = 0;

        TInt vArea = 0;

        vheight = dialogRect.iBr.iY - dialogRect.iTl.iY - 2*topMargin;

        if ( !iIsMirrored )

            {

            vWidth = dialogRect.iBr.iX - dialogRect.iTl.iX - 2*aRect.iTl.iX;;

            }

        else 

            {

			// Patch fix for mirrored layout when mode changes from portrait to

			// landscape or vice versa the width calculation differs to adjust the correct width

			if (iLayoutChanged) // mode change like portrait to landscape or vice versa

				{

				vWidth = (2*aRect.iBr.iX) - (dialogRect.iBr.iX - dialogRect.iTl.iX);

				}

			else

				{

				vWidth = dialogRect.iBr.iX - dialogRect.iTl.iX + 2*aRect.iBr.iX;

				}

            } 

		vArea = vWidth*vheight;

	    TInt iconCount = iIconArray.Count();

	    TInt areaOfIcon = iconCount * aRect.Width() * aRect.Height();

	    if(areaOfIcon > vArea)

		    {

			return 0;

		    }

		else

			{

			return vWidth;

			}

		}

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

// CIMCVAppSmileIconDialog::CreateCustomControlL

// Create CIMCVAppSmileIconGrid class in order to display

// icons in grid.

// This is called when dialog is created.

// (other items were commented in a header).

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

//

SEikControlInfo CIMCVAppSmileIconDialog::CreateCustomControlL(

										TInt aControlType )

    {

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::SetLayout() start") );

    SEikControlInfo controlInfo;

    controlInfo.iControl = NULL;

    controlInfo.iTrailerTextId = 0;

    controlInfo.iFlags = 0;

    if( aControlType == EIMCtrlSelectSmileGrid )

        {

        controlInfo.iControl = CIMCVAppSmileIconGrid::NewL( this, iIconArray );

        static_cast<CIMCVAppSmileIconGrid*>

            (controlInfo.iControl)->SetTapObserver( this, 0 );

        }

    IM_CV_LOGS(TXT("CIMCVAppSmileIconDialog::SetLayout() end") );

    return controlInfo;

    }

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

// CIMCVAppSmileIconDialog::HandleDialogPageEventL

// (other items were commented in a header).

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

//

void CIMCVAppSmileIconDialog::HandleDialogPageEventL( TInt aEventID )

    {

    if( IMCVUiAppUtils::PenEnabled() )

        {

        if ( iSmileyPointed &&

             aEventID == MEikDialogPageObserver::EDialogPageTapped )

            {        

            // Exit requested, exit with ok. 

            TryExitL( EAknSoftkeyOk );

            }

         //else keep dialog as it is do not exit.  

        }

    }

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

// CIMCVAppSmileIconDialog::HandleTapEventL

// (other items were commented in a header).

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

//

void CIMCVAppSmileIconDialog::HandleTapEventL( TTapEvent aEvent, 

                                          TUint /*aControlId*/ )

    {

    // User tapped on smiley.

    if( aEvent == MIMCVTapEventObserver::ESingleTap )

        {

        // Smiley was selected but we can't exit directly from here. 

        // Instead we put the flag on and wait for 

        // HandleDialogPageEventL.

        iSmileyPointed = ETrue;

        }

    }

// End of File