/*

* 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:  For Month view of calendar application.

 *

*/

#include <aknnavide.h>

#include <bldvariant.hrh> // For FeatureIds (lint warns without)

#include <eikmenup.h>

#include <eikspane.h>       //CEikStatusPane

#include <StringLoader.h>

#include <aknappui.h>

#include <featmgr.h>

#include <calinstance.h>

#include <calinstanceview.h>

#include <calcommon.h>

#include <caliterator.h>

#include <Calendar.rsg>

#include <calencommonui.rsg>

#include <calencommands.hrh>            // Calendar commands

#include <calencontext.h>

#include <CalenStatusPaneUtils.h>

#include <calenservices.h>

#include <caleninstanceid.h>

#include <calenviewutils.h>

#include <calcalendarinfo.h>

#include "calendarui_debug.h"

#include "calenmonthview.h"

#include "calenmonthcontainer.h"

#include <CalenInterimUtils2.h>

#include "calentitlepane.h"

#include "calensend.h"

#include "ToDo.hrh"

#include "calendar.hrh"

#include "CalenUid.h"

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

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

// CCalenMonthView::NewLC

// First stage construction

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

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

//

EXPORT_C CCalenMonthView* CCalenMonthView::NewL( MCalenServices& aServices )

    {

    TRACE_ENTRY_POINT;

    CCalenMonthView* self = new( ELeave ) CCalenMonthView( aServices );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    TRACE_EXIT_POINT;

    return self;

    }

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

// CCalenMonthView::~CCalenMonthView

// Destructor

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

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

//

CCalenMonthView::~CCalenMonthView()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::CCalenMonthView

// C++ default constructor can NOT contain any code, that might leave.

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

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

//

CCalenMonthView::CCalenMonthView( MCalenServices& aServices )

    : CCalenNativeView( aServices ),

      iPopulationStep( ENothingDone )

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::ConstructL

// Symbian OS constructor can leave.

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

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

//

void CCalenMonthView::ConstructL()

    {

    TRACE_ENTRY_POINT;

    CommonConstructL( R_CALEN_MONTHVIEW_INFO );

    //iLocalisedViewName = StringLoader::LoadL( R_CALEN_VIEW_MONTH, iCoeEnv );

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::SetStatusPaneFromActiveContextL

// Set active date to Status pane

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

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

//

void CCalenMonthView::SetStatusPaneFromActiveContextL()

    {

    TRACE_ENTRY_POINT;

    // title pane

    TBuf<KMaxMonthName> title;

    TTime activeDay = CCalenContainer::DateFromContextL( iServices.Context() );

    TDateTime activeDayTime = activeDay.DateTime();

    iSPUtils->MonthNameByActiveTime( title, activeDay );

    iSPUtils->UnderLineTitleText( EFalse );

    iSPUtils->SetTitleTextL( title );

    // navi pane

    CAknNavigationDecorator* naviLabel = iSPUtils->ShowNaviPaneL( activeDay );

    ShowValidScrollButtons( *naviLabel,

                            activeDay - TTimeIntervalMonths(1),

                            activeDay + TTimeIntervalMonths(1) );

    iSPUtils->RefreshStatusPane();

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::DoActivateImplL

// CCalenNativeView::DoActivateL() calls DoActivateImplL()

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

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

//

void CCalenMonthView::DoActivateImplL(	const TVwsViewId& /*aPrevViewId*/,

                                        TUid /*aCustomMessageId*/,

                                        const TDesC8& /*aCustomMessage*/ )

    {

    TRACE_ENTRY_POINT;

    static_cast<CCalenMonthContainer*>(iContainer)->InitDataForMonthL();

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::DoDeactivateImpl

// CCalenNativeView::DoDeactivateL() calls DoDeactivateImplL()

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

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

//

void CCalenMonthView::DoDeactivateImpl()

    {

    TRACE_ENTRY_POINT;

    if (!iAvkonAppUi->IsDisplayingMenuOrDialog())

        {

        iSPUtils->HideNaviPane();

        //iNaviContainer->Pop(iNaviLabel);

        //delete iNaviLabel;

        //iNaviLabel = NULL;

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::CreateContainerImplL

// making CCalendarContainer. In this class, it is CCalenMonthContainer.

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

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

//

CCalenContainer* CCalenMonthView::CreateContainerImplL()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return new( ELeave )CCalenMonthContainer( this, iDate, iServices );

    }

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

// CCalenMonthView::OnLocaleChangedL

// Locale or Today was changed when this function is called.

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

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

//

void CCalenMonthView::OnLocaleChangedL(TInt aReason)

    {

    TRACE_ENTRY_POINT;

    if (iContainer)

        {

        if (iContainer->IsVisible())

            {

            if (aReason & EChangesLocale)

                {

                if (IsContainerFocused())

                    {

                    SetStatusPaneFromActiveContextL();

                    }

                else

                    {

                    iLocChangeReason = aReason;

                    }

                }

           		if ((aReason & EChangesSystemTime ) || (aReason & EChangesMidnightCrossover ))

                {

                static_cast<CCalenMonthContainer*>(iContainer)->ChangesMidnightCrossover();

                }

            }

        else

            { // Not visible

            iLocChangeReason = aReason;

            }

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::RedrawStatusPaneL

// Redraw status pane when Form is closed

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

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

//

void CCalenMonthView::RedrawStatusPaneL()

    {

    TRACE_ENTRY_POINT;

    SetStatusPaneFromActiveContextL();

    static_cast<CCalenMonthContainer*>(

                iContainer)->ChangesMidnightCrossover();

    static_cast<CCalenMonthContainer*>(

                iContainer)->RedrawPreviewPane();

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::DynInitMenuPaneL

// Changes MenuPane dynamically

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

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

//

void CCalenMonthView::DynInitMenuPaneL(TInt aResourceId,

                       CEikMenuPane* aMenuPane)

    {

    TRACE_ENTRY_POINT;

    TBool isEntry = EFalse;

    static_cast<CCalenMonthContainer*>(iContainer)->HidePopup();

    CCalenNativeView::DynInitMenuPaneL(aResourceId, aMenuPane);

    switch (aResourceId)

        {

        case R_CALENDAR_MONTH_MENUPANE:

            {

#ifdef RD_CALEN_EXTERNAL_CAL

            TBool isit=ExtCalendarAvailableL();

            if (!isit)

                {

                ReleaseServiceHandler();

                TInt dummy;

                if (aMenuPane->MenuItemExists(ECalenExtAiwCommandId,dummy))

                    {

                    aMenuPane->DeleteMenuItem(ECalenExtAiwCommandId);

                    }

                }

#endif //RD_CALEN_EXTERNAL_CAL

            if ( ! FeatureManager::FeatureSupported(KFeatureIdHelp) )

                {

                aMenuPane->DeleteMenuItem(EAknCmdHelp);

                }

            RPointerArray<CCalCalendarInfo> calendarInfoList;

            iServices.GetAllCalendarInfoL(calendarInfoList);

            CleanupClosePushL(calendarInfoList);                            

            for(TInt index=0 ; index < calendarInfoList.Count();index++ )

                {

                if(calendarInfoList[index]->Enabled() )

                    {

                    CCalIter* iterator = CCalIter::NewL(

                          iServices.SessionL(calendarInfoList[index]->FileNameL()) );

                    CleanupStack::PushL( iterator );

                    if( iterator->FirstL() != KNullDesC8() )

                        {

                        isEntry = ETrue;              

                        }

                    CleanupStack::PopAndDestroy( iterator );

                    }

                }

            CleanupStack::PopAndDestroy(&calendarInfoList);

            if( !isEntry )

                {

                aMenuPane->DeleteMenuItem( ECalenDeleteAllEntries );

                }

            if( !iServices.InterimUtilsL().MRViewersEnabledL( ETrue ) )

                {

                aMenuPane->DeleteMenuItem( ECalenNewMeetingRequest );

                }

            // Offer the menu pane to the services for customisation by the

            // the view manager/plugins

            iServices.OfferMenuPaneL( aResourceId, aMenuPane );

            }

            break;

        default:

            break;

        }

    TRACE_EXIT_POINT;

    }

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

// CMonthCalenView::HandleCommandL

// Command handling for month view.

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

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

//

void CCalenMonthView::HandleCommandL(TInt aCommand)

    {

    TRACE_ENTRY_POINT;

    switch (aCommand)

        {

        // if MSK Open was selected then switch into Day view.

        case EAknSoftkeyOpen:

            CCalenNativeView::HandleCommandL( ECalenForwardsToDayView );

            break;

        // otherwise let CCalenNativeView handle the command.

        default:

            CCalenNativeView::HandleCommandL(aCommand);

            break;

        }

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::Id

// From CAknView

// Return the UID of the month view

// (other items were commented in a header)

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

//

TUid CCalenMonthView::Id() const

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return KUidCalenMonthView;

    }

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

// CCalenMonthView::ClearViewSpecificDataL

// Clears any cached data for the specific view, e.g. currently

// highlighted row, column, etc.

// (other items were commented in a header)

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

//

void CCalenMonthView::ClearViewSpecificDataL()

    {

    TRACE_ENTRY_POINT;

    iDate = Time::NullTTime();

    TRACE_EXIT_POINT;

    }

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

// CCalenMonthView::IsViewSpecificDataNullL

// From CCalenNativeView

// Returns ETrue if the view specific data is null, EFalse otherwise.

// (other items were commented in a header)

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

//

TBool CCalenMonthView::IsViewSpecificDataNullL()

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return ( iDate == Time::NullTTime() );

    }

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

// CCalenMonthView::ActiveStepL

// From CCalenView

// (other items were commented in a header)

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

//

CCalenView::TNextPopulationStep CCalenMonthView::ActiveStepL()

    {

    TRACE_ENTRY_POINT;

    CCalenMonthContainer* cnt = static_cast<CCalenMonthContainer*>( iContainer );

    if(!cnt)

        {

        TRACE_EXIT_POINT;

        iPopulationStep = EPopulationDone;

        return CCalenView::EDone;

        }

    switch( iPopulationStep )

        {

        case ENothingDone:

            {

            cnt->PrepareForPopulationL();

            iPopulationStep = ERequestedInstanceView;

            CCalenView::TNextPopulationStep nextStep = CCalenView::EDone;

            // Get the active collection ids.

            RArray<TInt> colIdArray;

            CCalenNativeView::GetActiveCollectionidsL( iServices, colIdArray );

            if(colIdArray.Count() > 0)

                {

                if( !iServices.InstanceViewL(colIdArray) )

                    {

                    TRACE_EXIT_POINT;

                    nextStep = CCalenView::EWaitForInstanceView;

                    }

                else

                    {

                    TRACE_EXIT_POINT;

                    nextStep = CCalenView::EKeepGoing;

                    }

                }

            else

                {

                if( !iServices.InstanceViewL() )

                    {

                    TRACE_EXIT_POINT;

                    nextStep = CCalenView::EWaitForInstanceView;

                    }

                else

                    {

                    TRACE_EXIT_POINT;

                    nextStep = CCalenView::EKeepGoing;

                    }

                }

            colIdArray.Reset();

            return nextStep;

            }               

        case ERequestedInstanceView:

            {

            cnt->PopulateWithInstanceViewL();

            iPopulationStep = ESetIndicatorNext;

            TRACE_EXIT_POINT;

            return CCalenView::EKeepGoing;

            }

        case ESetIndicatorNext:

            {

            cnt->SetIndicatorL();

            iPopulationStep = ESetFocusNext;

            TRACE_EXIT_POINT;

            return CCalenView::EKeepGoing;

            }

        case ESetFocusNext:

            {

            cnt->SetFocusL();

            iPopulationStep = EPopulationDone;

            TRACE_EXIT_POINT;

            return CCalenView::EKeepGoing;

            }

        case EPopulationDone:  /* fall through... */

        default:

            {

            cnt->CompletePopulationL();

            TRACE_EXIT_POINT;