/*

* Copyright (c) 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:   Event View implementation

*

*/

// system includes

#include <StringLoader.h>

#include <Calendar.rsg>

#include <aknbutton.h>

#include <akntoolbar.h>

#include <calencommands.hrh>            // Calendar commands

#include <calencontext.h>

#include <CalenStatusPaneUtils.h>

#include <calcalendarinfo.h>

#include <caleninstanceid.h>

// user includes

#include "caleneventview.h"

#include "calendarui_debug.h"

#include "caleneventviewcontainer.h"

#include <calenview.h>

#include "CalenUid.h"

#include "calenlocationutil.h"

#include "calenentryutil.h"

#include "calendar.hrh"

#include <finditem.hrh>

#include <finditemmenu.h>

#include "calenattachmentmodel.h" 

// Button position of the MSK CBA button

const TInt KSK2CBAPosition = 2;

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

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

// CCalenEventView::NewL

// Two-phased constructor.

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

//

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

	{

	TRACE_ENTRY_POINT;

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    TRACE_EXIT_POINT;

    return self;

	}

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

// CCalenEventView::ConstructL

// Constructor

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

//

void CCalenEventView::ConstructL()

	{

	TRACE_ENTRY_POINT;

	CommonConstructL( R_CALEN_EVENT_VIEW );

	TRACE_EXIT_POINT;

	}

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

// CCalenEventView::CCalenEventView

// C++ constructor.

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

//

CCalenEventView::CCalenEventView( MCalenServices& aServices )

    : CCalenNativeView( aServices ),

    iPopulationStep( ENothingDone )

    {

	TRACE_ENTRY_POINT;

	TRACE_EXIT_POINT;

    }

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

// CCalenEventView::~CCalenEventView

// Destructor

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

//

CCalenEventView::~CCalenEventView()

	{

	TRACE_ENTRY_POINT;

	TRACE_EXIT_POINT;

	}

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

// CCalenEventView::ActiveStepL

// From CCalenView

// (other items were commented in a header)

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

//

CCalenView::TNextPopulationStep CCalenEventView::ActiveStepL()

    {

    TRACE_ENTRY_POINT;

	CCalenView::TNextPopulationStep nextStep = CCalenView::EDone;

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

    switch( iPopulationStep )

        {

        case ENothingDone:

        	{

			iPopulationStep = ERequestInstanceView;

			nextStep = CCalenView::EKeepGoing;

        	}

        	break;

        case ERequestInstanceView:

            {

            TInt err = cnt->RequestInstanceViewL();

            if(err != KErrNotFound)

                {

				iPopulationStep = EBuildTextEditor;

            	nextStep = CCalenView::EKeepGoing;                

                }

			else

				{

				// the intended cal entry is not found in the database.

                // it has been deleted by some other app or by synching from server.

				nextStep = CCalenView::EDone;

				}

            }

            break; 	

        case EBuildTextEditor:

            {

            cnt->BuildTextEditorL();

            iPopulationStep = EAddField;

            nextStep = CCalenView::EKeepGoing;

            }

            break;	

        case EAddField:

        	{

        	cnt->AddFieldsL();

			iPopulationStep = EPopulationDone;   

 			nextStep = CCalenView::EKeepGoing;			     	

        	}

        	break;

        case EPopulationDone: 

        default:    

        	{

        	cnt->CompletePopulationL();

        	RedrawStatusPaneL();

        	UpdateToolbarButtonsL();

        	nextStep = CCalenView::EDone;

        	}

        	break;

        }

    TRACE_EXIT_POINT;  

    return nextStep;  

    }

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

// CCalenEventView::CancelPopulation

// From CCalenView

// (other items were commented in a header)

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

//

void CCalenEventView::CancelPopulation()

    {

    TRACE_ENTRY_POINT;

    iPopulationStep = ENothingDone;

    TRACE_EXIT_POINT;

    }

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

// CCalenEventView::LocalisedViewNameL

// From CCalenView

// (other items were commented in a header)

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

//

const TDesC& CCalenEventView::LocalisedViewNameL( CCalenView::TViewName /*aViewName*/ )

    {

    TRACE_ENTRY_POINT;

    TRACE_ENTRY_POINT;

    _LIT(KEV,"Event View");

    //HBufC* ret = NULL;

   /* switch ( aViewName )

        {

        case CCalenView::EMenuName:

            if ( !iMenuName )

                {

                iMenuName = StringLoader::LoadL( R_CALEN_QTN_EVENT_VIEW, iCoeEnv );

                }

            ret = iMenuName;

            break;

        case CCalenView::ESettingsName:

            if ( !iSettingsName )

                {

                iSettingsName = StringLoader::LoadL( R_CALEN_QTN_EVENT_VIEW,

                                                     iCoeEnv );

                }

            ret = iSettingsName;

            break;

        default:

            ASSERT( EFalse );

            break;

        }*/

    TRACE_EXIT_POINT;

    return KEV;

    }

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

// CCalenEventView::ViewIcon

// From CCalenView

// (other items were commented in a header)

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

//

CGulIcon* CCalenEventView::ViewIconL() const

    {

    TRACE_ENTRY_POINT;

    TRACE_EXIT_POINT;

    return NULL;

    }

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

// CCalenEventView::DoActivateImplL

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

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

//

void CCalenEventView::DoActivateImplL( const TVwsViewId& aPrevViewId,

                                      TUid aCustomMessageId ,

                                      const TDesC8& /*aCustomMessage */)

    {

    TRACE_ENTRY_POINT;

    if(aCustomMessageId == KUidCalenShowAlarmCba)

        {

        iEventViewCBA = EShowAlarm;

        }

	else if(aCustomMessageId == KUidCalenShowAlarmStopOnlyCba)

		{		    	

		iEventViewCBA =	EShowAlarmStopOnly;

		}

	else if(aCustomMessageId == KUidCalenShowCloseCba)

		{

		iEventViewCBA = EShowClose;	

		}

	else

		{

		if( aPrevViewId.iAppUid == KUidCalendar && aPrevViewId.iViewUid != KNullUid)    // switch from internal view

	        {

	        //Updating RSK CBA button of Event view depending up on from where it is activated

	       	iEventViewCBA = EShowBack;	        

		    }

		}             

    UpdateCbaL();

    // Draw event viewer toolbar by adding Edit, Delete and Send buttons

	AddToolbarButtonsL();

    TRACE_EXIT_POINT;

    }

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

// CCalenEventView::DoDeactivateImpl

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

//

void CCalenEventView::DoDeactivateImpl()

    {

    TRACE_ENTRY_POINT;

    // After forced exit need to Reset CCalenAttachmentModel 

    //to refresh the model after opening the calender next time

    if (iServices.GetAttachmentData()->NumberOfItems()) 

        {

        iServices.GetAttachmentData()->Reset();

        }

    iPreviousViewId.iViewUid = KNullUid;

    // Remove the toolbar buttons for event viewer before exiting from event view

    TRAP_IGNORE(RemoveToolbarButtonsL());

    TRACE_EXIT_POINT;

    }

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

// CCalenEventView::OnLocaleChangedL

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

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

//

void CCalenEventView::OnLocaleChangedL(TInt aReason)

    {

    TRACE_ENTRY_POINT;

      if(iContainer)

          {

          if(IsContainerFocused())

              {

              if( (aReason & EChangesLocale) || (aReason & EChangesSystemTime) )

                  {

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

                  cnt->HandleLocaleChangedL();

                  }

                }

          else

              {

              iLocChangeReason = EChangesLocale;

              }

          }

     TRACE_EXIT_POINT;

     }

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

// CCalenEventView::RedrawStatusPaneL

// Redraw status pane when Form is closed

// (other items were commented in a header)

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

//

void CCalenEventView::RedrawStatusPaneL()  

    {

    TRACE_ENTRY_POINT;

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

    HBufC* titleText = StringLoader::LoadLC( cnt->GetTitleTextId(), iCoeEnv );

    iSPUtils->UnderLineTitleText( EFalse );

    iSPUtils->SetTitleText( titleText );    // ownership passed

    CleanupStack::Pop( titleText );

    iSPUtils->RefreshStatusPane();

    TRACE_EXIT_POINT;

    }

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

// CCalenEventView::HandleCommandL

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

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

//

void CCalenEventView::HandleCommandL(TInt aCommand)  

    {

    TRACE_ENTRY_POINT;

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

    MCalenToolbar* toolbarImpl = iServices.ToolbarOrNull();

    switch(aCommand)

		{

		case ECalenCmdPromptThenEdit:

			{

			iServices.IssueCommandL(ECalenEditCurrentEntry);

			break;	

			}

        case ECalenCompleteTodo:

        case ECalenRestoreTodo:

        // TODO: Uncomment this when enabling attachment support

        case ECalenViewAttachmentList:    

        	{        

        	CCalenNativeView::HandleCommandL(aCommand);

        	}

            break;

        case EAknSoftkeyBack:

			{

			TRAP_IGNORE(RemoveToolbarButtonsL());

	        iServices.IssueNotificationL(ECalenNotifyEntryClosed);

			break;

			}

		case  ECalenStopAlarm:

            {

            iServices.IssueNotificationL(ECalenNotifyAlarmStopped);

            iEventViewCBA = EShowBack;

            UpdateCbaL();

            //show the toolbar again.

            if( toolbarImpl ) // If toolbar exists

                {

                CAknToolbar& toolbar = toolbarImpl->Toolbar();

                toolbar.SetItemDimmed( ECalenSend, EFalse, ETrue );

                toolbar.SetItemDimmed( ECalenEditCurrentEntry, EFalse, ETrue );

                toolbar.SetItemDimmed( ECalenDeleteCurrentEntry, EFalse, ETrue );

                }

            }

            break;

        case ECalenSnoozeAlarm:

            {

            iServices.IssueNotificationL(ECalenNotifyAlarmSnoozed);

            }            

            break;

        case EAknCmdHideInBackground:

            {

            if( IsAlarmActiveInViewer() )

                {

                iServices.IssueNotificationL(ECalenNotifyAlarmSnoozed);

                }

            else

                {

                if(cnt->GetFindItemMenu()->CommandIsValidL(aCommand))

                    {

                    CAknToolbar& toolbar = toolbarImpl->Toolbar();

                    toolbar.SetToolbarVisibility( EFalse );

                    cnt->GetFindItemMenu()->HandleItemFinderCommandL( aCommand );

                    toolbar.SetToolbarVisibility( ETrue );

                    return;

                    }

                CCalenNativeView::HandleCommandL(aCommand);

                }

            }

            break;

       case EAknSoftkeyEmpty:  // so that it will not crash in stop-snooze case.

            {

            // nothing to do

            }

            break;

        default:

            if(cnt->GetFindItemMenu()->CommandIsValidL(aCommand))

                {

                CAknToolbar& toolbar = toolbarImpl->Toolbar();

                toolbar.SetToolbarVisibility( EFalse );

                cnt->GetFindItemMenu()->HandleItemFinderCommandL( aCommand );

                toolbar.SetToolbarVisibility( ETrue );

                return;

                }

            CCalenNativeView::HandleCommandL(aCommand);

            break;

        }

    TRACE_EXIT_POINT;

    }  

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

// CCalenEventView::IsAlarmActiveInViewer

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

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

//

TBool CCalenEventView::IsAlarmActiveInViewer()

    {

    TRACE_ENTRY_POINT;

    if( iEventViewCBA == EShowAlarm || iEventViewCBA == EShowAlarmStopOnly )

        {    

           TRACE_EXIT_POINT;

           return ETrue;

        }

    else

        return EFalse;

    }

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

// CCalenEventView::DynInitMenuPaneL

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

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

//

void CCalenEventView::DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane)

	{

    TRACE_ENTRY_POINT;

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

    TCalCollectionId colId = iServices.Context().InstanceId().iColId;

    // get multiple db data from services

    RPointerArray<CCalCalendarInfo> calendarInfoList;

    iServices.GetAllCalendarInfoL(calendarInfoList);

    CleanupClosePushL(calendarInfoList);

    HBufC* calendarFileName = iServices.GetCalFileNameForCollectionId(colId).AllocLC();

    TInt index = calendarInfoList.Find( *calendarFileName, 

            CCalenEventViewContainer::CalendarInfoIdentifierL);

   CleanupStack::PopAndDestroy(calendarFileName);

    switch(aResourceId)

    	{

	    case R_CALEN_EVENT_VIEW_MENUPANE:

	    case R_CALEN_EVENT_VIEW_LONGTAP_MENUPANE:

	    	{

	    	CCalenEntryUtil* eventViewData = cnt->GetEventViewData();

	    	if(eventViewData)

	    	    {

	    	    if(eventViewData->EntryType() == CCalEntry::ETodo)

	    	        {

	    	        if(eventViewData->Status() == CCalEntry::ETodoCompleted)

	    	            {

	    	            aMenuPane->DeleteMenuItem(ECalenCompleteTodo);

	    	            }

	    	        else

	    	            {

	    	            aMenuPane->DeleteMenuItem(ECalenRestoreTodo);

	    	            }

	    	        }			  

	    	    else

	    	        {

	    	        aMenuPane->DeleteMenuItem(ECalenCompleteTodo);

	    	        aMenuPane->DeleteMenuItem(ECalenRestoreTodo);

	    	        }

	    	    // TODO: Uncomment this when enabling attachment support

	    	    if(!eventViewData->AttachmentCount())

	    	        {

	    	        aMenuPane->DeleteMenuItem(ECalenViewAttachmentList);