/*

* Copyright (c) 2009 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: This file implements class CFSEmailUiSearchListVisualiser.

*

*/

// SYSTEM INCLUDES

#include "emailtrace.h"

#include <freestyleemailui.mbg>

#include <AknUtils.h>

#include <gulicon.h>

#include <StringLoader.h>

#include <FreestyleEmailUi.rsg>

//<cmail>

#include "cfsmailmessage.h"

#include "cfsmailclient.h"

#include "cfsmailfolder.h"

#include "cfsmailbox.h"

#include <alf/alfframebrush.h>

#include <alf/alftextvisual.h>

#include "fstreelist.h"

#include "fstreevisualizerbase.h"

#include "fstreeplaintwolineitemdata.h"

#include "fstreeplaintwolineitemvisualizer.h"

#include "fstreeplainonelinenodedata.h"

#include "fstreeplainonelinenodevisualizer.h"

//</cmail>

#include <AknQueryDialog.h>

//<cmail>

#include "cfsmailcommon.h"

#include <alf/alfanchorlayout.h>

#include <alf/alfdecklayout.h>

#include <alf/alfcontrolgroup.h>

#include <alf/alfevent.h>

#include <alf/alfbrusharray.h>

// </cmail>

#include <alf/alfenv.h>

#include <alf/alfcommand.h>

#include <aknnotewrappers.h>

// <cmail>

#include <layoutmetadata.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

// </cmail>

#include <featmgr.h>

//</cmail>

#include <aknstyluspopupmenu.h>

//<cmail>

#include "mfsccontactactionmenumodel.h"

#include "fscontrolbar.h"

#include "fscontrolbuttoninterface.h"

#include "fscontrolbuttonvisualiser.h"

#include <csxhelp/cmail.hlp.hrh>

// </cmail>

// Meeting request headers

#include <MeetingRequestUids.hrh>

//<cmail>

#include "cesmricalviewer.h"

//</cmail>

// INTERNAL INCLUDES

#include "FreestyleEmailUiLayoutHandler.h"

#include "FreestyleEmailUiMailListModel.h"

#include "FreestyleEmailUiMailListVisualiser.h"

#include "FreestyleEmailUiSearchListVisualiser.h"

#include "FreestyleEmailUiSearchListControl.h"

#include "FreestyleEmailUiFileSystemInfo.h"

#include "FreestyleEmailUiAppui.h"

#include "FreestyleEmailUi.hrh"

#include "FreestyleEmailUiTextureManager.h"

#include "FreestyleEmailUiUtilities.h"

#include "FreestyleEmailUiLiterals.h"

#include "FreestyleEmailUiShortcutBinding.h"

#include "FreestyleEmailUiMsgDetailsVisualiser.h"

#include "freestyleemailcenrephandler.h"

#include "FreestyleEmailUiHtmlViewerView.h"

#include "FSEmail.pan"

// CONST VALUES

static const TInt KMaxLengthOfSearchString = 255;

//<cmail> s60 platform layouts

//static const TInt KSearchIconWidth = 30;

//const TReal KFSHeaderTextBackgroundOpacity = 0.3f;

//</cmail>

static const TInt KItemExpansionDelay = 400;

static const TInt KListScrollingDelay = 200;

static const TInt KMaxPreviewPaneLength = 60;

//<cmail> define search required priorities

#define KStandardSearchPriority   CActive::EPriorityStandard  

#define KCallingSearchPriority   ( CActive::EPriorityIdle - 1 )

CFSEmailUiSearchListVisualiser* CFSEmailUiSearchListVisualiser::NewL(CAlfEnv& aEnv,

																 CFreestyleEmailUiAppUi* aAppUi,

																 CAlfControlGroup& aSearchListControlGroup )

    {

    FUNC_LOG;

    CFSEmailUiSearchListVisualiser* self = CFSEmailUiSearchListVisualiser::NewLC(aEnv, aAppUi, aSearchListControlGroup );

    CleanupStack::Pop(self);

    return self;

    }

CFSEmailUiSearchListVisualiser* CFSEmailUiSearchListVisualiser::NewLC(CAlfEnv& aEnv,

																  CFreestyleEmailUiAppUi* aAppUi,

																  CAlfControlGroup& aSearchListControlGroup)

{

    FUNC_LOG;

    CFSEmailUiSearchListVisualiser* self = new (ELeave) CFSEmailUiSearchListVisualiser(aAppUi, aEnv, aSearchListControlGroup);

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

}

void CFSEmailUiSearchListVisualiser::ConstructL()

	{

    FUNC_LOG;

	BaseConstructL( R_FSEMAILUI_MAIL_SEARCH_VIEW );

	// Set list as initial focused control

	iThisViewActive = EFalse;

	iFirstStartCompleted = EFalse;

   	}

// CFSEmailUiSearchListVisualiser::DoFirstStartL()

// Purpose of this function is to do first start only when search list is

// really needed to be shown. Implemented to make app startuo faster.

void CFSEmailUiSearchListVisualiser::DoFirstStartL()

    {

    FUNC_LOG;

    TRect screenRect;

    AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EScreen, screenRect );

    // Create control and anchor layout

    iSearchListControl = CFreestyleEmailUiSearchListControl::NewL( *iEnv, this );

    iScreenAnchorLayout = CAlfAnchorLayout::AddNewL( *iSearchListControl );

    iScreenAnchorLayout->SetFlags(EAlfVisualFlagAutomaticLocaleMirroringEnabled);

    SetSearchListLayoutAnchors();

        /*<cmail> paltform layout changes to cmail

    TAlfTimedValue barBgTextureOpacity;

    barBgTextureOpacity.SetValueNow( 1 );

    iBarBgVisual->SetOpacity( barBgTextureOpacity );

    CAlfTexture* barBgTexture = &iAppUi.FsTextureManager()->TextureByIndex( EMailListBarBgIcon );

    barBgTexture->Size().SetSize( screenRect.Width(), iAppUi.LayoutHandler()->ControlBarHeight() );

    iBarBgVisual->SetImage( TAlfImage( *barBgTexture ) );

        */ //</cmail>

        /*<cmail> magnifier image is not in cmail

    // Add bar image component

    iBarFindImage = CAlfImageVisual::AddNewL( *iSearchListControl, iScreenAnchorLayout );

    TAlfTimedValue barFindImageOpacity;

    barFindImageOpacity.SetValueNow( 1 );

    iBarFindImage->SetOpacity( barFindImageOpacity );

    CAlfTexture* barFindTexture = &iAppUi.FsTextureManager()->TextureByIndex( ESearchLookingGlassIcon );

    barFindTexture->Size().SetSize( 15, 15 );

    iBarFindImage->SetImage( TAlfImage( *barFindTexture ) );

        */ //</cmail>

	// <cmail>

    // Add bar text component

    iBarTextVisual = CAlfTextVisual::AddNewL( *iSearchListControl, iScreenAnchorLayout );

    iBarTextVisual->EnableShadow(EFalse);

    iBarTextVisual->SetWrapping( CAlfTextVisual::ELineWrapTruncate );

	// </cmail>

	/*<cmail> no initial text or opacity required in cmail

    HBufC* initialSearchText = StringLoader::LoadLC( R_FREESTYLE_EMAIL_UI_FIND_DLG_SEARCH );

    iBarTextVisual->SetTextL( *initialSearchText );

    CleanupStack::PopAndDestroy( initialSearchText );

    TAlfTimedValue barTextVisualOpacity;

    barTextVisualOpacity.SetValueNow( 1 );

    iBarTextVisual->SetOpacity( barTextVisualOpacity );

    CAlfTextStyle* textStyle = iAppUi.LayoutHandler()->FSTextStyleFromIdL( EFSFontTypeSmallBold );

    iBarTextVisual->SetTextStyle ( textStyle->Id() );*/ //</cmail>

    if ( !AknLayoutUtils::LayoutMirrored() )

        {

        iBarTextVisual->SetAlign(EAlfAlignHLeft, EAlfAlignVCenter);

        }

    else

        {

        iBarTextVisual->SetAlign(EAlfAlignHRight, EAlfAlignVCenter);

        }

    // Create model

    iModel = CFSEmailUiMailListModel::NewL( &iAppUi, ETrue );

    // Create list and append to control group and anchor layout

    iSearchListLayout = CAlfDeckLayout::AddNewL( *iSearchListControl, iScreenAnchorLayout );

    iSearchListLayout->SetSize( TSize( screenRect.Width(), screenRect.Height()-

            iAppUi.LayoutHandler()->ControlBarHeight() ) );

    iSearchTreeListVisualizer = CFsTreeVisualizerBase::NewL(iSearchListControl, *iSearchListLayout);

    iSearchList = CFsTreeList::NewL(*iSearchTreeListVisualizer, *iEnv );

    iSearchList->SetScrollbarVisibilityL( EFsScrollbarHideAlways );

    // Set mark type and icon

    iSearchList->SetMarkTypeL( CFsTreeList::EFsTreeListMultiMarkable );

    iSearchTreeListVisualizer->SetMenuIcon( iAppUi.FsTextureManager()->TextureByIndex( EListControlMenuIcon ) );

	iSearchTreeListVisualizer->SetFlipState( iKeyboardFlipOpen );

	iSearchTreeListVisualizer->SetFocusVisibility( iFocusVisible );

    iSearchList->SetIndentationL(0);

    //<cmail> events are now offered to controls in different order

    ControlGroup().AppendL( iSearchListControl );

    ControlGroup().AppendL( iSearchList->TreeControl() );

    //</cmail>

    //<cmail> touch

    iSearchList->AddObserverL(*this);

    //</cmail>

    iSearchOngoing = EFalse;

    // Initializing the default stylus long tap popup menu

    if( !iStylusPopUpMenu )

        {

        TPoint point( 0, 0 );

        iStylusPopUpMenu = CAknStylusPopUpMenu::NewL( this , point );

        TResourceReader reader;

        iCoeEnv->CreateResourceReaderLC( reader,

                R_STYLUS_POPUP_MENU_SEARCH_LIST_VIEW );

        iStylusPopUpMenu->ConstructFromResourceL( reader );

        CleanupStack::PopAndDestroy();

        }

    // Set mail list background

    //<cmail> S60 skin support

    //iSearchTreeListVisualizer->SetBackgroundTextureL( iAppUi.FsTextureManager()->TextureByIndex( EBackgroundTextureMailList ) );

    //</cmail>

    iSearchTreeListVisualizer->SetItemExpansionDelay( KItemExpansionDelay );

    iSearchList->SetScrollTime( KListScrollingDelay, 0.5 );

    // Set empty text

    HBufC* emptyText = StringLoader::LoadLC( R_FREESTYLE_EMAIL_UI_EMPTY_MSG_LIST_TEXT );

    iSearchTreeListVisualizer->SetEmptyListTextL( *emptyText );

    CleanupStack::PopAndDestroy( emptyText );

    TRgb normalColor = iAppUi.LayoutHandler()->ListNormalStateTextSkinColor();

    iSearchTreeListVisualizer->RootNodeVisualizer()->SetNormalStateTextColor( normalColor );

    // Create startup timer

    iStartupCallbackTimer = CFSEmailUiGenericTimer::NewL( this );

    // Set page up and page down keys

    iSearchTreeListVisualizer->AddCustomPageUpKey( EStdKeyPageUp );

    iSearchTreeListVisualizer->AddCustomPageDownKey( EStdKeyPageDown );

    CAlfBrush* selectorBrush = iAppUi.FsTextureManager()->ListSelectorBrushL();

    iSearchTreeListVisualizer->SetSelectorPropertiesL( selectorBrush, 1.0, CFsTreeVisualizerBase::EFsSelectorMoveSmoothly );

    iAppUi.LayoutHandler()->SetListMarqueeBehaviour( iSearchList );

    iFirstStartCompleted = ETrue;

   	}

void CFSEmailUiSearchListVisualiser::TimerEventL( CFSEmailUiGenericTimer* /*aTriggeredTimer*/ )

	{

    FUNC_LOG;

	LaunchSearchDialogL();

	}

CFSEmailUiSearchListVisualiser::CFSEmailUiSearchListVisualiser( CFreestyleEmailUiAppUi* aAppUi,

                                                                CAlfEnv& aEnv,

                                                                CAlfControlGroup& aSearchListControlGroup )

    :CFsEmailUiViewBase( aSearchListControlGroup, *aAppUi ),

    iEnv( &aEnv ),

    iLatestSearchText( 0 ),

    iListAddedToControlGroup( EFalse ),

    iPreparedForExit( EFalse ),

    iConsumeStdKeyYes_KeyUp( EFalse ), // for consuming the call event if call for contact processed

    iRequiredSearchPriority( KStandardSearchPriority )  // for search email priority decreasing

	{

    FUNC_LOG;

	}

CFSEmailUiSearchListVisualiser::~CFSEmailUiSearchListVisualiser()

	{

    FUNC_LOG;

    if ( iStartupCallbackTimer )

    	{

    	iStartupCallbackTimer->Cancel();

    	delete iStartupCallbackTimer;

    	}

	iSearchStrings.ResetAndDestroy();

	iSearchListItemArray.Reset();

    delete iModel;

	delete iLatestSearchText;

	delete iSearchList;

    delete iStylusPopUpMenu;

	}

void CFSEmailUiSearchListVisualiser::PrepareForExit()

    {

    FUNC_LOG;

    //<cmail> Not needed anymore as controls aren't removed from control group

    /*if(!iListAddedToControlGroup)

        {

        if(iSearchList && iSearchList->TreeControl())

            TRAP_IGNORE(ControlGroup().AppendL( iSearchList->TreeControl() ));

        if(iSearchListControl)

        TRAP_IGNORE(ControlGroup().AppendL( iSearchListControl ));

        iListAddedToControlGroup = ETrue;

        }*/

    //<cmail>

    if ( iSearchOngoing )

        {

        TRAP_IGNORE( StopSearchL() );

        }

    delete iMailBox;

    iMailBox = NULL;

    TRAP_IGNORE( ResetResultListL() );

    iPreparedForExit = ETrue;

    }

TInt CFSEmailUiSearchListVisualiser::HighlightedIndex() const

	{

    FUNC_LOG;

	TFsTreeItemId focusedId = static_cast<TFsTreeItemId>( iSearchList->FocusedItem() );

	// Map id to the index in model

	TInt ret( KErrNotFound );

	for ( TInt i=0; i<iSearchListItemArray.Count();i++ )

		{

		if ( focusedId == iSearchListItemArray[i].iSearchListItemId)

			{

			ret = i;

			break;

			}

		}

	return ret;

	}

TUid CFSEmailUiSearchListVisualiser::Id() const

	{

    FUNC_LOG;

	return SearchListViewId;

	}

// <cmail> Toolbar

/*void CFSEmailUiSearchListVisualiser::DoActivateL(const TVwsViewId& aPrevViewId,

                     TUid aCustomMessageId,

                     const TDesC8& aCustomMessage)*/

void CFSEmailUiSearchListVisualiser::ChildDoActivateL(const TVwsViewId& aPrevViewId,

                     TUid aCustomMessageId,

                     const TDesC8& aCustomMessage)

// </cmail> Toolbar

	{

    FUNC_LOG;

	if ( !iFirstStartCompleted )

	    {

	    DoFirstStartL();

	    }

	// <cmail>

    //iSearchList->SetScrollbarVisibilityL( EFsScrollbarHideAlways );

    if ( aCustomMessageId != KStartListReturnToPreviousFolder )

    	{

    	iBarTextVisual->SetTextL(KNullDesC);

    	}

	if ( &aCustomMessage && aCustomMessageId == KStartNewSearch )

		{

		// If new search, clear old search list

		iSearchCount=0;

		iMsgDataCouldBeChanged = EFalse;

		// <cmail> fixed CS high cat. finding

		ResetResultListL();

		}

	// </cmail>

	// Store previous view ID

	iPreviousViewUid = aPrevViewId.iViewUid;

	TSearchListActivationData subView;

	TPckgBuf<TSearchListActivationData> viewData( subView );

	viewData.Copy( aCustomMessage );

	subView = viewData();

	// Update settings and set list mode according to settings

	UpdateMailListSettingsL();

	if ( iMailBox )

		{

		delete iMailBox;

		iMailBox = NULL;

		}

	iMailBox = iAppUi.GetMailClient()->GetMailBoxByUidL( subView.iMailBoxId );

	// If mailbox data is not, try to get default MCE account

	if ( !iMailBox )

		{

		CMsvSession* msvSession = iAppUi.GetMsvSession();

		CFSMailClient* client = iAppUi.GetMailClient();

		iMailBox = TFsEmailUiUtility::GetMceDefaultMailboxL( *client, *msvSession );

		}

	if ( iMailBox )

		{

		iThisViewActive = ETrue;

                //<cmail> visible/unvisible is not controlled by opacity in cmail

		//TAlfTimedValue opacity;

		//opacity.SetValueNow( 1 );

		//iScreenAnchorLayout->SetOpacity( opacity );

                //</cmail>

		iSearchList->ShowListL();

		iSearchList->SetFocusedL(ETrue);

		// Set empty text color

	   	TRgb normalColor = iAppUi.LayoutHandler()->ListNormalStateTextSkinColor();

		iSearchTreeListVisualizer->RootNodeVisualizer()->SetNormalStateTextColor( normalColor );

		// Launch search dialog automatically when activated

		if ( &aCustomMessage && aCustomMessageId == KStartNewSearch )

			{

			// <cmail> list reseting moved into the begining of the function

			// requeset async launching of the search dialog because DoActivateL must

			// not be blocked

			iStartupCallbackTimer->Cancel(); // just in case

			iStartupCallbackTimer->Start( iAppUi.LayoutHandler()->ViewSlideEffectTime() );

			}

		else if ( iModel && iModel->Count() )

			{

			// Need to make sure that return to this view works even if following function leaves.

			TRAP_IGNORE( CheckAndUpdateFocusedMessageL() );

			}

	    // Set mailbox name to status pane

		iAppUi.SetActiveMailboxNameToStatusPaneL();	

		}

    CAknEnv::Static()->GetCurrentGlobalUiZoom( iCurrentZoomLevel );

	// <cmail>

	ReScaleUiL(); // In case that Landscape/Portrait has changed.

	// </cmail>

	// <cmail> Touch

	iSearchList->SetFocusedL(ETrue);

	FocusVisibilityChange( iAppUi.IsFocusShown() );

	// </cmail>

 	}

void CFSEmailUiSearchListVisualiser::ChildDoDeactivate()

	{

    FUNC_LOG;

    if(iListAddedToControlGroup && (!iPreparedForExit))

        {

        iListAddedToControlGroup = EFalse;

        }

	iThisViewActive = EFalse;

    if ( !iAppUi.AppUiExitOngoing() )

        {

        if ( iSearchList->IsFocused() )

            {

            TRAP_IGNORE(iSearchList->SetFocusedL(EFalse));

            }

        iSearchTreeListVisualizer->NotifyControlVisibilityChange( EFalse );

        }

	}

CFSEmailUiMailListModel* CFSEmailUiSearchListVisualiser::Model()

	{

    FUNC_LOG;

	return iModel;

	}

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

	{

    FUNC_LOG;

	if ( iSearchList->Count() && iModel )

		{

		if ( aResourceId == R_FSEMAILUI_SEARCHLIST_MENUPANE )

			{

		    if ( FeatureManager::FeatureSupported( KFeatureIdFfCmailIntegration ) )

			   {

			   // remove help support in pf5250

			   aMenuPane->SetItemDimmed( EFsEmailUiCmdHelp, ETrue);

			   }

		  	CFSEmailUiMailListModelItem* item = dynamic_cast<CFSEmailUiMailListModelItem*>(iModel->Item(HighlightedIndex()));

			if ( item && item->ModelItemType() == ETypeMailItem &&

				 item->MessagePtr().IsFlagSet( EFSMsgFlag_CalendarMsg ) )

				{

				// Highlighted mail is calendar msg

				aMenuPane->SetItemDimmed(EFsEmailUiCmdMailActions, ETrue);

				aMenuPane->SetItemDimmed(EFsEmailUiCmdCalActions, EFalse);

				}

			else

				{

				// Highlighted mail is mail msg

				aMenuPane->SetItemDimmed(EFsEmailUiCmdMailActions, EFalse);

				aMenuPane->SetItemDimmed(EFsEmailUiCmdCalActions, ETrue);

				}

			// showing of mail-related options is dependent on focus

			// important for touch-only devices

			if ( IsFocusShown() )

				{

				aMenuPane->SetItemDimmed(EFsEmailUiCmdOpen, EFalse);

				}

			else

				{

				aMenuPane->SetItemDimmed(EFsEmailUiCmdMore, ETrue);

				aMenuPane->SetItemDimmed(EFsEmailUiCmdMailActions, ETrue);

				aMenuPane->SetItemDimmed(EFsEmailUiCmdCalActions, ETrue);

				aMenuPane->SetItemDimmed(EFsEmailUiCmdOpen, ETrue);

				}

			// remove message reader support because of problems with reading HTML mails

			aMenuPane->SetItemDimmed(EFsEmailUiCmdReadEmail, ETrue);

			}

		}