/*

* 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:  application ui

*

*/

#include 	"cimcvappui.h"

#include 	<avkon.hrh>

#include 	<aknnotewrappers.h> 

#include 	"cimcvappview.h"

#include 	"imcvuiapp.hrh"

#include 	<imcvuiapp.rsg>

#include 	<aknview.h>

#include 	"cimcvapplayoutinfo.h"

#include 	"cimcvappmessageextensionshandler.h"

#include 	"cimcvengine.h"

#include 	"imcvuiliterals.h"

#include 	"cimcvappstatuspanehandler.h"

#include 	"mimcvenginemessagehandler.h"

// logs

#include 	"imcvlogger.h"

#include 	"mimcvapplayoutchangeobserver.h"

#include 	<aknapp.h>

#include  	<AknDef.h>

#include 	<layoutmetadata.cdl.h>

#include 	<aknlayoutscalable_avkon.cdl.h>

#include 	<AknStatuspaneUtils.h>

#include 	<aknlayoutscalable_avkon.cdl.common.h>

#include 	"imcvuicommonuids.h"

#include    "cimcvuiappskinvariant.h"

#include 	"imcvuiparams.h"

#include 	<e32property.h>

#include    <apgtask.h>

#include    <eikenv.h>

#include   <StringLoader.h>

#include   <e32property.h>

#include    "imcvuiliterals.h"

#include    "conversations.h"

#include    "imcvuiapp.h"

#include "cimcvenginefactory.h"

#include "mimcvenginefactory.h"

// imconnectionprovider

#include "cimcvappinputabsorber.h"

#include "cimcvengine.h"

// ConstructL is called by the application framework

void CIMCVAppUi::ConstructL()

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::ConstructL() start") );

    iDestructingFlag = EFalse;

    BaseConstructL( EAknEnableSkin | ENoAppResourceFile |

                    EAppOrientationAutomatic | EAknEnableMSK | EAknSingleClickCompatible );

    //Message extension handler. This must be created before views.

    iChatMbmFullPath = Application()->BitmapStoreName();

    // Input absorber

    iInputAbsorber = CIMCVAppInputAbsorber::NewL();    

    ///////////////////////////////

    TDriveName drive( TParsePtrC( iChatMbmFullPath ).Drive( ) ); // solve drive

    // leave to stack, LC method

    HBufC* resourceFilePath = HBufC::NewLC( KAMaxResourcePathLength );

    TPtr ptr( resourceFilePath->Des() );

    ptr.Append( KADefaultIconFile() ); // without drive

    ptr.Insert( 0, drive ); // insert drive

    // NearestLanguageFile takes only TFileName

    iChatMbmFullPath.Zero();

    iChatMbmFullPath.Append( *resourceFilePath );

    /////////////////////////////////

    CleanupStack::PopAndDestroy();

    iSkinVariant = CIMCVUiAppSkinVariant::NewL();   

    iEngineFactory = CIMCVEngineFactory::InstanceL();

    iMessageHandler = CIMCVAppMessageExtensionsHandler::NewL(*iSkinVariant, *this, *iEngineFactory );

    iLayoutInfo = CIMCVAppLayoutInfo::NewL( TChatListBoxLayout::EWithoutEditor );

    iLayoutInfo->LayoutChangedL();

    CalculatePreviewPaneWidth();

	// connected create view and activate it

	iCIMCVAppView = new (ELeave) CIMCVAppView();

	iCIMCVAppView->ConstructL( R_CONVERSATIONVIEW_VIEW, KUidConversationView ,*iMessageHandler);

	AddViewL( iCIMCVAppView );      // transfer ownership to CAknViewAppUi

    IM_CV_LOGS(TXT("CIMCVAppUi::ConstructL() end ") );

    }

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

// CIMCVAppUi::CIMCVAppUi()

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

//

CIMCVAppUi::CIMCVAppUi() :

iIsAppForeground(ETrue)                             

    {

	// no implementation required

    }

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

// CIMCVAppUi::CIMCVAppUi()

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

//

CIMCVAppUi::~CIMCVAppUi()

    {

    iLayoutObservers.Close();

    iResourceObservers.Close();

    delete iLayoutInfo;

    delete iInputAbsorber;

    iDestructingFlag = ETrue;

    if( iSkinVariant )

	    {

	    delete iSkinVariant;

	    }

    delete iMessageHandler;

    CIMCVEngineFactory::Release();

    }

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

// CIMCVAppUi::IsAppInForeground

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

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

//

TBool CIMCVAppUi::IsAppInForeground()

	{

	return iIsAppForeground;	

	}

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

// CIMCVAppUi::IsUnderDestruction

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

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

//

TBool CIMCVAppUi::IsUnderDestruction()

    {

    return iDestructingFlag;

    }

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

// CIMCVAppUi::CIMCVAppUi()

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

// handle any menu commands

void CIMCVAppUi::HandleCommandL(TInt aCommand)

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleCommandL() start") );

    switch(aCommand)

        {

        case EEikCmdExit:

        case EAknSoftkeyExit:

        case EIMCVCmdExit:

        case EAknSoftkeyBack:

            {

            //Deactivate conversation is done in HandleForegroundEventL so that 

            //notification can be received in UI in case of new messages

            if( iPbkApplicationUid != 0 )

                {				

                // activate previous application

                BringToForeground( TUid::Uid(iPbkApplicationUid ) );							  

                }            

            TApaTask task(iEikonEnv->WsSession());

            task.SetWgId( CEikonEnv::Static()->RootWin().Identifier());

            task.SendToBackground();

            break;  

            }

	   default:

            break;

        }

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleCommandL() end") );

    }

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

// CIMCVAPPAppUi::HandleWsEventL

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

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

//

void CIMCVAppUi::HandleWsEventL( const TWsEvent& aEvent,CCoeControl* aDestination )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleWsEventL() start") );

    switch( aEvent.Type() )

        {

        case  KAknUidValueEndKeyCloseEvent:

            {

            break;

            }

        default:

            {

            CAknViewAppUi::HandleWsEventL( aEvent, aDestination );

            break;

            }

        }

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleWsEventL() end") );

    }

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

// CIMCVAppUi::LayoutInfo

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

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

//

MIMCVAppLayoutInfo* CIMCVAppUi::LayoutInfo()

    {

    return iLayoutInfo;

    }

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

// CIMCVAppUi::LayoutInfo

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

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

//

CIMCVEngine& CIMCVAppUi::ActiveEngine() const

    {

    return iCIMCVAppView->ActiveEngine();

    }

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

// CIMCVAPPAppUi::AddLayoutChangeObserver

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

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

//

void CIMCVAppUi::AddLayoutChangeObserver( MIMCVAppLayoutChangeObserver* aObserver )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::AddLayoutChangeObserver() start") );

    TInt err( iLayoutObservers.Append( aObserver ) );

    if ( err )

        {

        CActiveScheduler::Current()->Error( err );

        }

    IM_CV_LOGS(TXT("CIMCVAppUi::AddLayoutChangeObserver() End") );

    }

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

// CIMCVAPPAppUi::RemoveLayoutChangeObserver

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

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

//

void CIMCVAppUi::RemoveLayoutChangeObserver( MIMCVAppLayoutChangeObserver* aObserver )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::RemoveLayoutChangeObserver() start") );

    // remove from end first (LIFO) to avoid

    // tweaking the index while removing

    TInt count( iLayoutObservers.Count() );

    for( TInt i( count - 1 ); i >= 0; i-- )

        {

        if( iLayoutObservers[i] == aObserver )

            {

            iLayoutObservers.Remove( i );

            }

        }

    iLayoutObservers.Compress();

    IM_CV_LOGS(TXT("CIMCVAppUi::RemoveLayoutChangeObserver() end") );

    }

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

// CIMCVAPPAppUi::AddResourceChangeObserver

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

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

//

void CIMCVAppUi::AddResourceChangeObserver( MIMCVAppResourceChangeObserver* aObserver )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::AddResourceChangeObserver() start") );

    TInt err( iResourceObservers.Append( aObserver ) );

    if ( err )

        {

        CActiveScheduler::Current()->Error( err );

        }

    IM_CV_LOGS(TXT("CIMCVAppUi::AddResourceChangeObserver() end") );

    }

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

// CIMCVAPPAppUi::RemoveResourceChangeObserver

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

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

//

void CIMCVAppUi::RemoveResourceChangeObserver( MIMCVAppResourceChangeObserver* aObserver )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::RemoveResourceChangeObserver() start") );

    // remove from end first (LIFO) to avoid

    // tweaking the index while removing

    TInt count( iResourceObservers.Count() );

    for( TInt i( count - 1 ); i >= 0; i-- )

        {

        if( iResourceObservers[i] == aObserver )

            {

            iResourceObservers.Remove( i );

            }

        }

    iResourceObservers.Compress();

    IM_CV_LOGS(TXT("CIMCVAppUi::RemoveResourceChangeObserver() start") );

    }

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

// CIMCVAPPAppUi::MbmFullPath

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

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

//

TDes& CIMCVAppUi::MbmFullPath()

    {

    return iChatMbmFullPath;

    }

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

// CIMCVAPPAppUi::StorePreviousViewDetails

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

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

//

void CIMCVAppUi::StorePreviousViewDetails(TInt aPreviousApplicationUid,TInt aPreviousViewUid )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::StorePreviousViewDetails() start") );

    iPbkApplicationUid = aPreviousApplicationUid;

    iPbkActiveViewUid = aPreviousViewUid;

    IM_CV_LOGS(TXT("CIMCVAppUi::StorePreviousViewDetails() end") );

    }

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

//// CIMCVAPPAppUi::SendMeToBackground

// Send this application to background

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

//

void CIMCVAppUi::SendMeToBackground()

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::SendMeToBackground() start") );

    TApaTaskList taskList( iEikonEnv->WsSession() );

    TApaTask xmppImApp = taskList.FindApp( TUid::Uid(KIMCVUIAPPEXEUID3 ) );

    xmppImApp.SendToBackground();

    IM_CV_LOGS(TXT("CIMCVAppUi::SendMeToBackground() end") );

    }

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

//// CIMCVAppUi::ShutDownAndCloseApplicationL

// Send this application to background

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

//

void CIMCVAppUi::ShutDownAndCloseApplicationL()

	{

	IM_CV_LOGS(TXT("CIMCVAppUi::ShutDownAndCloseApplicationL() start") );

	TApaTaskList taskList( iEikonEnv->WsSession() );

	TApaTask xmppImApp = taskList.FindApp( TUid::Uid(KIMCVUIAPPEXEUID3 ) );

	xmppImApp.KillTask();

    IM_CV_LOGS(TXT("CIMCVAppUi::ShutDownAndCloseApplicationL() end") );

	}

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

// CIMCVAppUi::HandleResourceChangeL

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

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

//

void CIMCVAppUi::HandleResourceChangeL( TInt aType )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleResourceChangeL() Start") );

    CAknViewAppUi::HandleResourceChangeL( aType );

    if ( aType == KEikDynamicLayoutVariantSwitch )

        {

        // skin change for this app ui class

        iLayoutInfo->LayoutChangedL( aType );

        CalculatePreviewPaneWidth();

        iSkinVariant->UpdateLayout();

	   }

    if ( aType == KEikDynamicLayoutVariantSwitch ||

        aType == KAknsMessageSkinChange )

        {

        TInt count( iLayoutObservers.Count() );

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

            {

            iLayoutObservers[i]->LayoutChangedL( aType );

            }

        }

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleResourceChangeL() end") );

    }

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

// CIMCVAppUi::CalculatePreviewPaneWidth()

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

//   

void CIMCVAppUi::CalculatePreviewPaneWidth()

	{

	IM_CV_LOGS(TXT("CIMCVAppUi::CalculatePreviewPaneWidth() Start") );

	// Get parameter and table limits for popup preview text window

    TAknLayoutScalableParameterLimits limits = 

        AknLayoutScalable_Avkon::popup_preview_text_window_ParamLimits();

    TAknLayoutScalableTableLimits tableLimits =

        AknLayoutScalable_Avkon::popup_preview_text_window_t_Limits();

    // Get layout rects

    TRect rectScreen = iAvkonAppUi->ApplicationRect();

    TRect rectMainPane = rectScreen;

    // Use first variety to be able to get the font for text parsing

    TInt firstVariety = SelectWindowVariety( 1, limits );

    TRect rectPopupWindow = RectFromLayout( rectMainPane,

        AknLayoutScalable_Avkon::popup_preview_text_window( firstVariety ) );

    TInt firstIndex = tableLimits.FirstIndex();

    TInt firstLineVariety = AknLayoutScalable_Avkon::

        popup_preview_text_window_t_ParamLimits( firstIndex ).FirstVariety();

    TAknTextLineLayout popupTextLayout =

        AknLayoutScalable_Avkon::popup_preview_text_window_t(

            firstIndex, firstLineVariety );

    TAknLayoutText layoutText;

    layoutText.LayoutText( rectPopupWindow, popupTextLayout );

    IM_CV_LOGS(TXT("CIMCVAppUi::CalculatePreviewPaneWidth() End") );   

	}

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

// CIMCVAppUi::SelectWindowVariety()

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

//   

TInt CIMCVAppUi::SelectWindowVariety( const TInt aNumberOfLines,

        const TAknLayoutScalableParameterLimits& aLimits ) const

    {

    TInt index = aNumberOfLines - 1;

    if ( Layout_Meta_Data::IsLandscapeOrientation() )

        {

        index += 5;

        }

    return Min( Max( index, aLimits.FirstVariety() ),

                aLimits.LastVariety() );

    }

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

// CIMCVAppUi::RectFromLayout()

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

//   

TRect CIMCVAppUi::RectFromLayout( const TRect& aParent,

        const TAknWindowComponentLayout& aComponentLayout ) const

    {

    TAknWindowLineLayout lineLayout = aComponentLayout.LayoutLine();

    TAknLayoutRect layoutRect;

    layoutRect.LayoutRect(aParent, lineLayout);

    return layoutRect.Rect();

    }    

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

// CIMCVAppUi::SkinVariantL

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

//

MIMCVUiAppSkinVariant*	CIMCVAppUi::SkinVariantL()

	{

	return iSkinVariant;

	} 

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

// Proceses message from external application

// Used from Phonebooks external tab (Buddylist) to start instant messaging

// or from xmpp server to show new messages

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

//

void CIMCVAppUi::ProcessMessageL( TUid /*aUid*/, const TDesC8& aParamData )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::ProcessMessageL() Start") );

    iCIMCVAppView->ShowMeL(aParamData);    

    IM_CV_LOGS(TXT("CIMCVAppUi::ProcessMessageL() End ") );

    }

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

// CIMCVAppUi::HandleServiceCloseExitL

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

//

void CIMCVAppUi::HandleServiceCloseExitL(TInt /*aEventValue*/ )

    {

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleServiceCloseExitL() Start") );

    IM_CV_LOGS(TXT("CIMCVAppUi::HandleServiceCloseExitL() Start") );

    }

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

// CIMCVAppUi::CaptureEventsL

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

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

//

void CIMCVAppUi::CaptureEventsL()

    {

    if ( !AreEventsCaptured() )

        {

        iInputAbsorber->CaptureEventsL();

        }

    }

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

// CIMCVAppUi::ReleaseCapturingL()

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

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

//

void CIMCVAppUi::ReleaseCapturingL()

    {

    if ( AreEventsCaptured() )

        {

        iInputAbsorber->Release();

        }

    }

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

// CIMCVAppUi::AreEventsCaptured

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

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

//

TBool CIMCVAppUi::AreEventsCaptured() const