/*

* Copyright (c) 2005-2005 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:  Interface for controlling stylus popup menu.

*

*/

#include <aknpreviewpopupcontroller.h>

#include <eikmobs.h>

#include <aknutils.h>

#include <barsread.h>

#include "aistyluspopupmenu.h"

#include "aistyluspopupmenucontent.h"

const TInt KDefaultPopUpShowDelay = 0;

const TInt KDefaultPopUpHideDelay = 10000000; // 10 seconds

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

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

// Default constructor

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

//

CAiStylusPopUpMenu::CAiStylusPopUpMenu( MEikMenuObserver* aObserver, 

    const TPoint& aPoint,

    CAknPreviewPopUpController* aPopup ) 

    : iPosition ( aPoint ),

     iMenuObserver( aObserver ),

     iPreviewPopup( aPopup )

    {

    }

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

// CAiStylusPopUpMenu::ConstructL

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

//

void CAiStylusPopUpMenu::ConstructL()

    {

    iContent = CAiStylusPopUpMenuContent::NewL();

    iController = CAknPreviewPopUpController::NewL( *iContent,

            CAknPreviewPopUpController::ELayoutSubMenu );

    iController->SetPopUpShowDelay( KDefaultPopUpShowDelay );

    iController->SetPopUpHideDelay( KDefaultPopUpHideDelay );

    iController->SetPosition( iPosition );

    }

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

// CAiStylusPopUpMenu::NewL

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

//

CAiStylusPopUpMenu* CAiStylusPopUpMenu::NewL( 

                            MEikMenuObserver* aObserver, const TPoint& aPoint,

                            CAknPreviewPopUpController* aPopup )

    {

    if( !AknLayoutUtils::PenEnabled() )

        {

        return NULL;

        }

    CAiStylusPopUpMenu* self = CAiStylusPopUpMenu::NewLC( aObserver, 

                                                            aPoint,

                                                            aPopup );

    CleanupStack::Pop( self );

    return self;

    }

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

// CAiStylusPopUpMenu::NewL

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

//

CAiStylusPopUpMenu* CAiStylusPopUpMenu::NewL( 

                            MEikMenuObserver* aObserver, const TPoint& aPoint )

    {

    if( !AknLayoutUtils::PenEnabled() )

        {

        return NULL;

        }

    CAiStylusPopUpMenu* self = CAiStylusPopUpMenu::NewLC( aObserver, 

                                                            aPoint, NULL );

    CleanupStack::Pop( self );

    return self;

    }

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

// CAiStylusPopUpMenu::NewLC

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

//

CAiStylusPopUpMenu* CAiStylusPopUpMenu::NewLC(

                            MEikMenuObserver* aObserver, const TPoint& aPoint,

                            CAknPreviewPopUpController* aPopup )

    {

    if( !AknLayoutUtils::PenEnabled() )

        {

        return NULL;

        }

    CAiStylusPopUpMenu* self = new ( ELeave ) CAiStylusPopUpMenu( aObserver,

                                                                    aPoint,

                                                                    aPopup );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor

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

//

CAiStylusPopUpMenu::~CAiStylusPopUpMenu()

    {

    if ( AknLayoutUtils::PenEnabled() )

        {

        delete iController;

        delete iContent;

        }

    }

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

// CAiStylusPopUpMenu::AddMenuItemL

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

//

void CAiStylusPopUpMenu::AddMenuItemL( const TDesC& aItem, 

                                                        const TInt aCommandId )

    {

    if(AknLayoutUtils::PenEnabled())

        {

        iContent->AddMenuItemL( aItem, aCommandId, *this );

        }

    }

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

// CAiStylusPopUpMenu::RemoveMenuItem

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

//

void CAiStylusPopUpMenu::RemoveMenuItem( const TInt aCommandId )

    {

    if(AknLayoutUtils::PenEnabled())

        {

        iContent->RemoveMenuItem( aCommandId );

        }

    }

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

// CAiStylusPopUpMenu::SetItemDimmed

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

//

void CAiStylusPopUpMenu::SetItemDimmed( const TInt aCommandId, const TBool aDimmed )

    {

    if(AknLayoutUtils::PenEnabled())

        {

        iContent->SetItemDimmed( aCommandId, aDimmed );

        }

    }

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

// CAiStylusPopUpMenu::ShowMenu

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

//

void CAiStylusPopUpMenu::ShowMenu()

    {

    if(AknLayoutUtils::PenEnabled())

        {

        iController->ShowPopUp();

        }   

    }

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

// CAiStylusPopUpMenu::SetPosition

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

//

void CAiStylusPopUpMenu::SetPosition( const TPoint& aPoint )

    {

    if(AknLayoutUtils::PenEnabled())

        {

        iController->SetPosition( aPoint );

        }

    }

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

// CAiStylusPopUpMenu::ConstructFromResourceL

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

//

void CAiStylusPopUpMenu::ConstructFromResourceL( TResourceReader&

                                                           aReader )

    {

    if(!AknLayoutUtils::PenEnabled())

        {

        return;

        }

    TInt count = aReader.ReadInt16();

    if ( count > KAiStylusMenuMaxItems )

        {

        // Only allowed number of items read from resources.

        count = KAiStylusMenuMaxItems;

        }

    TInt commandId;

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

        {

        TPtrC text = aReader.ReadTPtrC();

        commandId = aReader.ReadInt32();

        iContent->AddMenuItemL( text, commandId, *this );

        aReader.ReadInt32(); // extension link

        iController->UpdateContentSize();

        }

    }

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

// From class MCoeControlObserver.

// Handles stylus tap events by forwarding the event to the observer.

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

//

void CAiStylusPopUpMenu::HandleControlEventL( CCoeControl* aControl,

                                                        TCoeEvent aEventType )

    {

    if(!AknLayoutUtils::PenEnabled())

        {

        return;

        }

    if ( aControl && aEventType == EEventStateChanged )

        {

        if ( iPreviewPopup )

            {

            iPreviewPopup->HidePopUp();

            }

        iController->HidePopUp();

        iMenuObserver->ProcessCommandL( iContent->CommandId( aControl ) );

        }

    }