/*

* Copyright (c) 2002-2006 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:  MsgBaseControl implementation

*

*/

// ========== INCLUDE FILES ================================

#include <eikenv.h>                        // for CEikonEnv

#include <AknUtils.h>                      // for AknUtils

#include <aknenv.h>                        // for CAknEnv

#include <applayout.cdl.h>

#include "MsgEditorCommon.h"               //

#include "MsgBaseControl.h"                // for CMsgBaseControl

#include "MsgBaseControlObserver.h"        // for MMsgBaseControlObserver

#include "MsgEditorPanic.h"                // for CMsgEditor panics

// ========== EXTERNAL DATA STRUCTURES =====================

// ========== EXTERNAL FUNCTION PROTOTYPES =================

// ========== CONSTANTS ====================================

// ========== MACROS =======================================

// ========== LOCAL CONSTANTS AND MACROS ===================

// ========== MODULE DATA STRUCTURES =======================

// ========== LOCAL FUNCTION PROTOTYPES ====================

// ========== LOCAL FUNCTIONS ==============================

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

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

// CMsgBaseControl::CMsgBaseControl

//

// Constructor.

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

//

EXPORT_C CMsgBaseControl::CMsgBaseControl( MMsgBaseControlObserver& aBaseControlObserver ) : 

    iBaseControlObserver( &aBaseControlObserver ),

    iLineHeight( MsgEditorCommons::MsgBaseLineDelta() ),

    iMaxBodyHeight( MsgEditorCommons::MaxBodyHeight() )

    {

    }

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

// CMsgBaseControl::CMsgBaseControl

//

// Constructor.

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

//

EXPORT_C CMsgBaseControl::CMsgBaseControl() :

    iLineHeight( MsgEditorCommons::MsgBaseLineDelta() ),

    iMaxBodyHeight( MsgEditorCommons::MaxBodyHeight() )

    {

    }

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

// CMsgBaseControl::~CMsgBaseControl

//

// Destructor.

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

//

EXPORT_C CMsgBaseControl::~CMsgBaseControl()

    {

    }

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

// CMsgBaseControl::ConstructFromResourceL

//

// nop

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

//

EXPORT_C void CMsgBaseControl::ConstructFromResourceL( TInt /*aResourceId*/ )

    {

    }

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

// CMsgBaseControl::NotifyViewEvent

//

// nop

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

//

EXPORT_C void CMsgBaseControl::NotifyViewEvent( TMsgViewEvent /*aEvent*/, 

                                                TInt /*aParam*/ )

    {

    }

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

// CMsgBaseControl::Reset

//

// nop

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

//

EXPORT_C void CMsgBaseControl::Reset()

    {

    }

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

// CMsgBaseControl::SetModified

//

// Sets the modified flag of the control.

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

//

EXPORT_C void CMsgBaseControl::SetModified( TBool aModified )

    {

    if ( aModified )

        {

        iControlModeFlags |= EMsgControlModeModified;

        }

    else

        {

        iControlModeFlags &= ~EMsgControlModeModified;

        }

    }

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

// CMsgBaseControl::IsModified

//

// Return ETrue if contents of control has been modified.

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

//

EXPORT_C TBool CMsgBaseControl::IsModified() const

    {

    return iControlModeFlags & EMsgControlModeModified;

    }

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

// CMsgBaseControl::SetReadOnly

//

// Sets the control read only or not. Before setting the read only flag on or

// off, calls virtual PrepareForReadOnly function.

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

//

EXPORT_C void CMsgBaseControl::SetReadOnly( TBool aReadOnly )

    {

    PrepareForReadOnly( aReadOnly );

    if ( aReadOnly )

        {

        iControlModeFlags |= EMsgControlModeReadOnly;

        }

    else

        {

        iControlModeFlags &= ~EMsgControlModeReadOnly;

        }

    }

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

// CMsgBaseControl::IsReadOnly

//

// Returns the read only status of the control.

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

//

EXPORT_C TBool CMsgBaseControl::IsReadOnly() const

    {

    return iControlModeFlags & EMsgControlModeReadOnly;

    }

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

// CMsgBaseControl::ControlId

//

// Returns the control id.

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

//

EXPORT_C TInt CMsgBaseControl::ControlId() const

    {

    return iControlId;

    }

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

// CMsgBaseControl::SetControlId

//

// Sets the control id.

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

//

EXPORT_C void CMsgBaseControl::SetControlId( TInt aControlId )

    {

    iControlId = aControlId;

    }

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

// CMsgBaseControl::DistanceFromComponentAbove

//

// Returns a distance from above to this control in pixels.

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

//

EXPORT_C TInt CMsgBaseControl::DistanceFromComponentAbove() const

    {

    return iDistanceFromComponentAbove;

    }

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

// CMsgBaseControl::SetDistanceFromComponentAbove

//

// Sets a distance from above control in pixels.

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

//

EXPORT_C void CMsgBaseControl::SetDistanceFromComponentAbove( TInt aDistance )

    {

    iDistanceFromComponentAbove = aDistance;

    }

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

// CMsgBaseControl::Margins

//

// Returns the margins of the control.

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

//

EXPORT_C TMargins CMsgBaseControl::Margins() const

    {

    return iMargins;

    }

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

// CMsgBaseControl::SetMargins

//

// Sets margins for the control.

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

//

EXPORT_C void CMsgBaseControl::SetMargins( const TMargins& aMargins )

    {

    iMargins = aMargins;

    }

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

// CMsgBaseControl::SetBaseControlObserver

//

// Sets base control observer.

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

//

EXPORT_C void CMsgBaseControl::SetBaseControlObserver( 

                                    MMsgBaseControlObserver& aBaseControlObserver )

    {

    iBaseControlObserver = &aBaseControlObserver;

    }

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

// CMsgBaseControl::VirtualHeight

//

// Returns approximate height of the control.

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

//

EXPORT_C TInt CMsgBaseControl::VirtualHeight()

    {

    return iSize.iHeight;

    }

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

// CMsgBaseControl::VirtualVisibleTop

//

// Returns a topmost visible text position.

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

//

EXPORT_C TInt CMsgBaseControl::VirtualVisibleTop()

    {

    return 0;

    }

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

// CMsgBaseControl::BaseConstructL

//

// Sets default margins for the control.

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

//

EXPORT_C void CMsgBaseControl::BaseConstructL()

    {

    iMargins.iLeft = 0;

    iMargins.iRight = 0;

    iMargins.iTop = 0;

    iMargins.iBottom = 0;

    }

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

// CMsgBaseControl::NormalTextFontL

//

// Returns a pointer to the normal text font.

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

//

EXPORT_C const CFont* CMsgBaseControl::NormalTextFontL() const

    {

    //TODO: Should this be read from LAF?

    const CFont* font = iEikonEnv->NormalFont();

    return font;

    }

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

// CMsgBaseControl::LabelFontL

//

// Returns a pointer to the normal label font.

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

//

EXPORT_C const CFont* CMsgBaseControl::LabelFontL() const

    {

    TRect msgPane = MsgEditorCommons::MsgMainPane();

    TAknLayoutText labelLayout;

    labelLayout.LayoutText(

        msgPane,

        AppLayout::Message_writing_texts_Line_1( 0 ) );

    return labelLayout.Font();

    }

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

// CMsgBaseControl::CountComponentControls

//

// Returns a number of controls.

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

//

EXPORT_C TInt CMsgBaseControl::CountComponentControls() const

    {

    __ASSERT_DEBUG( EFalse, Panic( EMsgInheritedFunctionIsMissing ) );

    return 0;

    }

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

// CMsgBaseControl::ComponentControl

//

// Returns a control of index aIndex.

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

//

EXPORT_C CCoeControl* CMsgBaseControl::ComponentControl( TInt /*aIndex*/ ) const

    {

    __ASSERT_DEBUG( EFalse, Panic( EMsgInheritedFunctionIsMissing ) );

    return NULL;

    }

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

// CMsgBaseControl::SizeChanged

//

// nop

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

//

EXPORT_C void CMsgBaseControl::SizeChanged()

    {

    __ASSERT_DEBUG( EFalse, Panic( EMsgInheritedFunctionIsMissing ) );

    }

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

// CMsgBaseControl::FocusChanged

//

// nop

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

//

EXPORT_C void CMsgBaseControl::FocusChanged( TDrawNow /*aDrawNow*/ )

    {

    __ASSERT_DEBUG( EFalse, Panic( EMsgInheritedFunctionIsMissing ) );

    }

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

// CMsgBaseControl::ItemFinder

//

// nop

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

//

EXPORT_C CItemFinder* CMsgBaseControl::ItemFinder()

	{

	return NULL;

	}

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

// CMsgBaseControl::SetupAutomaticFindAfterFocusChangeL

//

// nop

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

//

EXPORT_C void CMsgBaseControl::SetupAutomaticFindAfterFocusChangeL( TBool /*aBeginning */ )

    {

    }

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

// CMsgBaseControl::ScrollL

//

// nop

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

//

EXPORT_C TInt CMsgBaseControl::ScrollL( TInt /*aPixelsToScroll*/, 

                                        TMsgScrollDirection /*aDirection*/ )

    {

    return 0;

    }

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

// CMsgBaseControl::HandleResourceChange

//

// nop

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

//

EXPORT_C void CMsgBaseControl::HandleResourceChange( TInt aType )

    {

    if ( aType == KEikDynamicLayoutVariantSwitch )

        {

        iLineHeight = MsgEditorCommons::MsgBaseLineDelta();

        iMaxBodyHeight = MsgEditorCommons::MaxBodyHeight();

        }

    CCoeControl::HandleResourceChange( aType );

    }

//  End of File