/*

* Copyright (c) 2002 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: 

*       Contact Info View common base navigation stategy.

*

*/

// INCLUDE FILES

#include "CPbkContactInfoBaseNavigationStrategy.h"  // This class' declaration

#include <barsread.h> // TResourceReader

#include <aknnavide.h>

#include <StringLoader.h>

#include <akntabgrp.h>

#include <gulicon.h>

#include <eikspane.h>

// Phonebook.app include files

#include <pbkdebug.h>

// PbkEng.dll include files

#include <PbkIconInfo.h>

#include <CPbkContactItem.h>

#include "MPbkContactInfoNavigationCallback.h"

#include <Phonebook.hrh>

/// Unnamed namespace for local definitions

namespace {

// LOCAL CONSTANTS AND MACROS

//

#ifdef _DEBUG

enum TPanicCode

    {

    EPanicIcon_StatusPaneUpdateL

    };

#endif

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

#ifdef _DEBUG

void Panic(TPanicCode aReason)

    {

    _LIT(KPanicText, "CPbkContactInfoBaseNavigationStrategy");

    User::Panic(KPanicText, aReason);

    }

#endif

}  // namespace

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

CPbkContactInfoBaseNavigationStrategy::CPbkContactInfoBaseNavigationStrategy

        (CPbkContactEngine& aEngine,

        MPbkContactInfoNavigationCallback& aCallback) :

    iEngine(aEngine),

    iNavigationCallback(aCallback),

    iViewReady(EFalse)

    {

    }

CPbkContactInfoBaseNavigationStrategy::~CPbkContactInfoBaseNavigationStrategy()

    {

    delete iNaviDeco;

    }

TBool CPbkContactInfoBaseNavigationStrategy::HandleCommandKeyL

        (const TKeyEvent& aKeyEvent, 

        TEventCode /*aType*/)

    {

    if (iViewReady)

        {

        switch (aKeyEvent.iCode)

            {

            case EKeyLeftArrow: // FALLTHROUGH

            case EKeyRightArrow:

                {

                TInt dir = 0;

                switch (aKeyEvent.iCode)

                    {

                    case EKeyLeftArrow:

                        {

                        dir = -1;

                        break;

                        }

                    case EKeyRightArrow:

                        {

                        dir = 1;

                        break;

                        }

                    }

                // Handle mirrored layout by negating the directionality

                if (AknLayoutUtils::LayoutMirrored())

                    {

                    dir = -1 * dir;

                    }

                NavigateContactL(dir);

                return ETrue;

                }

            }

        }

    return EFalse;

    }

void CPbkContactInfoBaseNavigationStrategy::StatusPaneUpdateL()

    {

    // update the navi decorator

    if (iViewReady)

        {

        // check the index and count of the groups to navi pane

        const TInt index = iScrollView->FindL(iNavigationCallback.GetContactItemId()) + 1;

        // create navi pane text

        CArrayFixFlat<TInt>* values = new (ELeave) CArrayFixFlat<TInt>(2);

        CleanupStack::PushL(values);

        values->AppendL(index);

        values->AppendL(iScrollView->CountL());      

        HBufC* buf  = StringLoader::LoadLC(R_QTN_PHOB_NAVI_POS_INDICATOR,

			*values);

        CPbkIconInfoContainer* iconInfoContainer =

			CPbkIconInfoContainer::NewL(R_PBK_ICON_INFO_ARRAY, CCoeEnv::Static());

        CleanupStack::PushL(iconInfoContainer);

        CGulIcon* icon = iconInfoContainer->LoadBitmapL(

                            EPbkqgn_prop_pb_contacts_tab1 );

        __ASSERT_DEBUG(icon, Panic(EPanicIcon_StatusPaneUpdateL));

        CleanupStack::PopAndDestroy(); // iconInfoContainer

        CleanupStack::PushL(icon);

        static_cast<CAknTabGroup*>(iNaviDeco->DecoratedControl())

            ->ReplaceTabL(EPbkContactInfoViewId, *buf, icon->Bitmap(),

			icon->Mask());

        // tab group takes ownership of bitmap and mask

        icon->SetBitmapsOwnedExternally(ETrue);

        CleanupStack::PopAndDestroy(3); // icon, buf, values

        }

    }

void CPbkContactInfoBaseNavigationStrategy::ConstructNaviIndicatorsL()

    {

    // navi indicators

    CEikStatusPane* statusPane = iNavigationCallback.GetStatusPane();

    if (statusPane && statusPane->PaneCapabilities

		(TUid::Uid(EEikStatusPaneUidNavi)).IsPresent())

        {

        CAknNavigationControlContainer* naviPane =

			static_cast<CAknNavigationControlContainer*>

			(statusPane->ControlL(TUid::Uid(EEikStatusPaneUidNavi)));

        if (!iNaviDeco)

            {

            TResourceReader resReader;

            CCoeEnv::Static()->CreateResourceReaderLC(resReader,

				R_PBK_CONTACT_INFO_TAB_GROUP);

            iNaviDeco = naviPane->CreateTabGroupL(resReader);

            CleanupStack::PopAndDestroy(); // resReader

            }

        iNaviDeco->MakeScrollButtonVisible(ETrue);

        if (iScrollView->CountL() > 1)

            {

            iNaviDeco->SetScrollButtonDimmed

				(CAknNavigationDecorator::ERightButton, EFalse);

            iNaviDeco->SetScrollButtonDimmed

				(CAknNavigationDecorator::ELeftButton, EFalse);

            }

        else

            {

            iNaviDeco->SetScrollButtonDimmed

				(CAknNavigationDecorator::ERightButton, ETrue);

            iNaviDeco->SetScrollButtonDimmed

				(CAknNavigationDecorator::ELeftButton, ETrue);

            }

        naviPane->PushL(*iNaviDeco);

        }

    StatusPaneUpdateL();

    }

void CPbkContactInfoBaseNavigationStrategy::NavigateContactL

        (TInt aDir)

    {

    if (aDir == 0) 

        {

        // no change

        return;

        }

    TInt contactIndex = iScrollView->FindL(iNavigationCallback.GetContactItemId()) + aDir;

    const TInt contactCount = iScrollView->CountL();

    if (contactCount > 1)

        {

        if (contactIndex < 0)

            {

            contactIndex = contactCount + contactIndex;

            }

        else if (contactIndex >= contactCount)

            {

            contactIndex = contactIndex - contactCount;

            }

        const TContactItemId contactId = iScrollView->AtL(contactIndex);

        iNavigationCallback.ChangeContactL(contactId);

        StatusPaneUpdateL();

        }

    }

void CPbkContactInfoBaseNavigationStrategy::HandleContactViewEvent

        (const CContactViewBase& aView,

        const TContactViewEvent& aEvent)

    {

    if (&aView == iScrollView &&

        aEvent.iEventType == TContactViewEvent::EReady)

        {

        iViewReady = ETrue;

        // navi pane construction

        TRAPD(err, ConstructNaviIndicatorsL());

        if (err != KErrNone)

            {

            CCoeEnv::Static()->HandleError(err);

            }

        }

    }

void CPbkContactInfoBaseNavigationStrategy::HandleContactViewListControlEventL

        (CPbkContactViewListControl& /*aControl*/,

        const TPbkContactViewListControlEvent& aEvent)

    {

    if (aEvent.iEventType == TPbkContactViewListControlEvent::EReady)

        {

        // navi pane update

        StatusPaneUpdateL();

        }

    }

//  End of File