/*

* 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:  compose view container

*

*/

// INCLUDE FILES

#include "emailtrace.h"

#include <AknIconUtils.h>

#include <avkon.hrh>

#include <aknlists.h>

#include <aknPopup.h>

#include <aknbutton.h>

#include <StringLoader.h>

#include <eiklabel.h>

#include <eikimage.h>

#include <eikenv.h>

#include <AknsDrawUtils.h>

#include <sysutil.h>

#include <AknUtils.h>

#include <FreestyleEmailUi.rsg>

#include <AknPhysics.h>

#include "FreestyleEmailUiAppui.h"

#include "FreestyleEmailUiLayoutData.h"

#include "FreestyleEmailUiLayoutHandler.h"

#include "ncsaddressinputfield.h"

#include "ncsconstants.h"

#include "ncsaifeditor.h"

#include "ncsfieldsizeobserver.h"

#include "ncsutility.h"

#include "ncsheadercontainer.h"

#include "txtrich.h"

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

// constructor

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

//

CNcsAddressInputField::CNcsAddressInputField(

	TNcsInputFieldType aFieldType,

	MNcsFieldSizeObserver* aSizeObserver,

	MNcsAddressPopupList* aAddressPopupList,

	CNcsHeaderContainer* aParentControl ):

	MNcsControl( aSizeObserver ),

	iParentControl( aParentControl ),

	iAddressPopupList( aAddressPopupList ),

	iFieldType( aFieldType )

    {

    FUNC_LOG;

    }

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

// CNcsAddressInputField::NewL()

// Two-phased constructor.

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

//

CNcsAddressInputField* CNcsAddressInputField::NewL(

	TInt aLabelTextId,

	TNcsInputFieldType aFieldType,

	MNcsFieldSizeObserver* aSizeObserver,

	MNcsAddressPopupList* aAddressPopupList,

	CNcsHeaderContainer* aParentControl )

    {

    FUNC_LOG;

    CNcsAddressInputField* self = new ( ELeave ) CNcsAddressInputField(

            aFieldType, aSizeObserver, aAddressPopupList, aParentControl );

    CleanupStack::PushL( self );

    self->ConstructL( aLabelTextId );

    CleanupStack::Pop( self );

    return self;

    }

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

// CNcsAddressInputField::ConstructL()

// Symbian 2nd phase constructor can leave.

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

//

void CNcsAddressInputField::ConstructL( TInt aLabelTextId )

	{

    FUNC_LOG;

	// Create label

	//Load the label string

	HBufC* aTextBuf = StringLoader::LoadLC( aLabelTextId );

	TPtrC captionText = aTextBuf ? aTextBuf->Des() : TPtrC();

	CreateControlsL( captionText );

	iTextEditor = new ( ELeave ) CNcsAifEditor( iSizeObserver,

                                                captionText );

    // iTextEditor is not completely constructed until in SetContainerWindowL()

	iTextEditor->SetPopupList(iAddressPopupList);

	CleanupStack::PopAndDestroy( aTextBuf );

	}

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

// Destructor

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

//

CNcsAddressInputField::~CNcsAddressInputField()

    {

    FUNC_LOG;

    delete iTextEditor;

    delete iButton;

    delete iLabel;

// <cmail> Platform layout change

    /*if ( iFont )

        {

        ControlEnv()->ScreenDevice()->ReleaseFont( iFont );

        iFont = NULL;

        }</cmail>*/

    }

//<cmail>

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

// CNcsHeaderContainer::CreateControlsL()

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

//

void CNcsAddressInputField::CreateControlsL( const TDesC& aControlText )

    {

    FUNC_LOG;

    if( AknLayoutUtils::PenEnabled() )

        {

        //Create button

        TRect buttRect( 10, 10, 70, 100 );

        iButton = CAknButton::NewL( NULL, NULL, NULL, NULL, aControlText, TPtrC(), KAknButtonTextLeft, 0 );

        iButton->SetTextColorIds( KAknsIIDQsnTextColors, EAknsCIQsnTextColorsCG63 );

        iButton->SetContainerWindowL( *iParentControl );

        iButton->SetObserver( this );

        iButton->SetRect( buttRect );

        iButton->MakeVisible( ETrue );

        iButton->ActivateL();

        }

    else

        {

        //Create label

        iLabel = new ( ELeave ) CNcsLabel( *this, NULL );

        iLabel->SetTextL( aControlText );

        iLabel->SetBrushStyle(CWindowGc::ENullBrush);

        }

    }

//</cmail>

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

// SetContainerWindow

// Don't construct the window dependent elements until the window

// container is set

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

//

void CNcsAddressInputField::SetContainerWindowL( const CCoeControl& aContainer )

    {

    FUNC_LOG;

    CCoeControl::SetContainerWindowL(aContainer);

	InitComponentArrayL();

	// Check if we need to construct the components

	if (Components().Count() == 2) return;

	// Load the controls into the compoent array

	CCoeControlArray& controls = Components();

	controls.SetControlsOwnedExternally(ETrue);

	//<cmail>

	if( iButton )

	    {

	    controls.AppendLC( iButton );

	    CleanupStack::Pop( iButton );

	    }

	else

	    {

	    controls.AppendLC( iLabel );

	    CleanupStack::Pop( iLabel );

	    }

	//</cmail>

	controls.AppendLC(iTextEditor);

    CleanupStack::Pop(iTextEditor);

// <cmail>

	// Setup the text editor

	iTextEditor->ConstructL( &aContainer, KMaxAddressFieldLines, 0 );

// </cmail>

    iTextEditor->SetBorder( TGulBorder::ENone );

	iTextEditor->SetAknEditorInputMode( EAknEditorTextInputMode );

	iTextEditor->SetAknEditorFlags( EAknEditorFlagNoT9 | EAknEditorFlagUseSCTNumericCharmap );

	iTextEditor->SetAknEditorCurrentCase( EAknEditorLowerCase );

	iTextEditor->CreateScrollBarFrameL()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff, CEikScrollBarFrame::EOff );

    iTextEditor->SetEdwinSizeObserver( this );

    iTextEditor->SetupEditorL();

    // Setup the label

    UpdateFontSize();

    // Setup text alignment according the mirrored/normal layout.

    if ( AknLayoutUtils::LayoutMirrored() )

        {

        if( iLabel )

            iLabel->SetAlignment( EHRightVCenter );

        iTextEditor->SetAlignment( EAknEditorAlignRight );

        }

    else

        {

        if( iLabel )

            iLabel->SetAlignment( EHLeftVCenter );

        iTextEditor->SetAlignment( EAknEditorAlignLeft );

        }

    }

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

// CNcsAddressInputField::Draw() const

// Draws the display

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

//

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

	{

    FUNC_LOG;

 	}

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

// CNcsAddressInputField::GetMinLabelLength()

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

//

TInt CNcsAddressInputField::GetMinLabelLength() const

	{

    FUNC_LOG;

    return iLabel ? iLabel->Font()->TextWidthInPixels( *iLabel->Text() ) : 0;

	}

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

// CNcsAddressInputField::SizeChanged()

// set size

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

//

void CNcsAddressInputField::SizeChanged()

	{

    FUNC_LOG;

   	TRect rect = Rect();

   	if( AknLayoutUtils::PenEnabled() )

   	    {

   	    LayoutTouch();

   	    }

   	  else

   	    {

   	    LayoutNonTouch();

   	    }

    UpdateFontSize();

    if (iTextEditor->ScrollBarFrame())

        {

        TRect rc = iTextEditor->Rect();

        if (AknLayoutUtils::LayoutMirrored())

            {

            rc.iTl.iX += iTextEditor->ScrollBarFrame()->ScrollBarBreadth(CEikScrollBar::EVertical);

            }

        else

            {

            rc.iBr.iX -= iTextEditor->ScrollBarFrame()->ScrollBarBreadth(CEikScrollBar::EVertical);

            }

        iTextEditor->SetRect(rc);

        }

    PositionChanged();

	}

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

// CNcsHeaderContainer::PositionChanged()

// set size

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

void CNcsAddressInputField::PositionChanged()

	{

    FUNC_LOG;

    // keep the button in view as long as possible

    if( iButton )

    	{

		const TRect rect( Rect() );

		const TRect buttonRect( iButton->Rect() );

		TInt newButtonPos( iOriginalButtonPos.iY - iOriginalFieldPos.iY );

		if( rect.iTl.iY < 0 && newButtonPos + buttonRect.Height() < rect.iBr.iY )

			{

			iButton->SetPosition( TPoint(iOriginalButtonPos.iX, newButtonPos) );

			}

		else

			{

			iButton->SetPosition( TPoint(iOriginalButtonPos.iX, newButtonPos + rect.iTl.iY) );

			}

    	}

	}

//<cmail>

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

// CNcsAddressInputField::LayoutNonTouch()

// 

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

//

void CNcsAddressInputField::LayoutNonTouch()

    {

    const TRect rect( Rect() );

    NcsUtility::LayoutCaptionLabel( iLabel, rect );

    NcsUtility::LayoutDetailEdwin( iTextEditor, rect, iEditorLineCount, EFalse );  

    }

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

// CNcsAddressInputField::LayoutTouch()

// 

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

//

void CNcsAddressInputField::LayoutTouch()

    {

    const TRect rect( Rect() );

    NcsUtility::LayoutCaptionButton( iButton, rect );

    NcsUtility::LayoutDetailEdwinTouch( iTextEditor, rect, iEditorLineCount, EFalse );  

    // save the original field positions so that we can the button in view

    iOriginalFieldPos = rect.iTl;

    iOriginalButtonPos = iButton->Position();    

    iTextEditor->UpdateCustomDrawer();

    }

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

// CNcsAddressInputField::HandlePointerEventL()

// Handles pointer events

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

//

void CNcsAddressInputField::HandlePointerEventL( const TPointerEvent& aPointerEvent )

    {

	FUNC_LOG;

    iTextEditor->HandlePointerEventL(aPointerEvent);

    if( iButton )

        {

        iButton->HandlePointerEventL( aPointerEvent );

        }

    iTextEditor->HandleTextChangedL();

    switch( aPointerEvent.iType )

    	{

    	case TPointerEvent::EButton1Down:

    		{

            // Save start position so that it can be used in

            // drag/scrolling calculations

            iStartPosition = aPointerEvent.iPosition;

            iIsDraggingStarted = EFalse;

            break;

    		}

    	case TPointerEvent::EDrag:

    		{

            if ( !iIsDraggingStarted && iPhysics )

                {

                TInt drag( iStartPosition.iY - aPointerEvent.iPosition.iY );

                if ( Abs( drag ) > iPhysics->DragThreshold() )

                    {

					iIsDraggingStarted = ETrue;

                    }

                }

            break;

    		}

    	}

    }

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

// CNcsAddressInputField::HandleControlEventL()

// 

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

//

void CNcsAddressInputField::HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType )

    {

    if( aEventType == EEventStateChanged )

        {

        if( aControl == iButton && !iIsDraggingStarted )

            {

            iParentControl->OpenPhonebookL();

            }

        }

    }

//</cmail>

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

// CNcsAddressInputField::OfferKeyEventL()

// Handles key events

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

//

TKeyResponse 

CNcsAddressInputField::OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType )

	{

    FUNC_LOG;

	TKeyResponse ret( EKeyWasNotConsumed );

	if( aKeyEvent.iCode == EKeyOK )

		{

		iTextEditor->SetCursorPosL( iTextEditor->TextLength(), EFalse );

		iTextEditor->UpdateAddressListAllL();

		}

	else

		{

		ret = iTextEditor->OfferKeyEventL( aKeyEvent, aType );

		}

	return ret;

	}

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

// CNcsAddressInputField::FocusChanged()

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

//

void CNcsAddressInputField::FocusChanged( TDrawNow aDrawNow )

	{

    FUNC_LOG;

	if ( IsFocused() )

		{

		iTextEditor->SetFocus( ETrue, aDrawNow );

        // make sure that control is visible on screen

		if ( Rect().iTl.iY < 0 )

			{

			TPoint pt = TPoint( 0, 0 );

			Reposition( pt,Rect().Width() );

            iSizeObserver->UpdateFieldPosition( this );

			}

		else

		    {

		    TPoint pos = PositionRelativeToScreen();

		    pos.iY += Size().iHeight;

    	    CWsScreenDevice* screenDev = ControlEnv()->ScreenDevice();

    	    TPixelsAndRotation pix;

    		screenDev->GetDefaultScreenSizeAndRotation( pix );

    		const TInt h = pix.iPixelSize.iHeight;

    		if ( pos.iY >= h - h / 3 )

    		    {

    			TPoint pt = TPoint( 0, h / 3 );

    			Reposition( pt,Rect().Width() );

                iSizeObserver->UpdateFieldPosition( this );

    		    }

		    }

        if ( iParentControl )

            {

            TRAP_IGNORE( iParentControl->SetMskL() );

            }

		}

    else

        {

        TRAP_IGNORE( iTextEditor->HandleTextChangedL() );

        iTextEditor->SetFocus( EFalse );

        TRAP_IGNORE( iAddressPopupList->ClosePopupContactListL() );

        }

	if ( aDrawNow )

		{

		DrawNow();

		}

	}

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

// CNcsAddressInputField::MinimumHeight()

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

//

TInt CNcsAddressInputField::MinimumHeight() const

    {

    FUNC_LOG;

    // <cmail> Platform layout changes

    /*TNcsMeasures m = NcsUtility::Measures();

	TInt height = m.iAifHeight - m.iAifEditorHeight + iEditorMinimumHeight;

	TInt height2 = m.iAifHeight;

    return Max( height, height2 );

    */

    //return NcsUtility::MinimumHeaderSize( Rect(), iEditorLineCount ).iHeight;

    // </cmail> Platform layout changes

    return 0;

    }

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

// CNcsAddressInputField::HandleEdwinSizeEventL()

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

//

TBool CNcsAddressInputField::HandleEdwinSizeEventL(

	CEikEdwin* /*aEdwin*/,

    TEdwinSizeEvent /*aEventType*/,

    TSize aDesirableEdwinSize )

    {

    FUNC_LOG;

// <cmail> Platform layout change

    /*TInt ret( EFalse );

    TInt htLine = iTextEditor->GetLineHeightL();

    TInt numLinesDesired = aDesirableEdwinSize.iHeight / htLine;

    if( numLinesDesired < KMaxAddressFieldLines &&

        iEditorMinimumHeight != aDesirableEdwinSize.iHeight )

        {

        iEditorMinimumHeight = aDesirableEdwinSize.iHeight;

        if( iSizeObserver )

            ret = iSizeObserver->UpdateFieldSizeL();

        iTextEditor->CreateScrollBarFrameL()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff, CEikScrollBarFrame::EOff );

        }

    else if (iEditorMinimumHeight != htLine * KMaxAddressFieldLines)

        {

        //We may still need to resize the controll.

        iEditorMinimumHeight = htLine * KMaxAddressFieldLines;

        iTextEditor->CreateScrollBarFrameL()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff, CEikScrollBarFrame::EOn );