/*

* Copyright (c) 2006 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:  Window server plug-in manager.

*

*/

#include "aiwspluginmanagerimpl.h"

#include <coemain.h>

#include <apgtask.h>

#include <aiutility.h>

#include <telinformationpskeys.h>

#include <aipspropertyobserver.h>

CAiWsPluginManagerImpl::CAiWsPluginManagerImpl(RWsSession& aWsSession) :

    iAnimDll( aWsSession ),

    iWnd( aWsSession ),

    iAnim( iAnimDll )

    {

    }

void CAiWsPluginManagerImpl::ConstructL(CCoeEnv& aCoeEnv)

    {

    User::LeaveIfError( iAnimDll.Load( KAiWsPluginAnimDllName ) );

    iCoeEnv = &aCoeEnv;

    iPhoneStatusObserver = AiUtility::CreatePSPropertyObserverL

        ( TCallBack( HandlePhoneEvent, this ),

            KPSUidTelInformation, KTelPhoneUid );

    TryLoadWsPluginL();

    }

CAiWsPluginManagerImpl* CAiWsPluginManagerImpl::NewL( CCoeEnv& aCoeEnv )

    {

    CAiWsPluginManagerImpl* self = 

        new(ELeave) CAiWsPluginManagerImpl( aCoeEnv.WsSession() );

    CleanupStack::PushL( self );

    self->ConstructL( aCoeEnv );

    CleanupStack::Pop( self );

    return self;

    }

CAiWsPluginManagerImpl::~CAiWsPluginManagerImpl()

    {

    iAnim.Close();

    iWnd.Close();

    Release( iPhoneStatusObserver );

    iAnimDll.Close();

    }

EXPORT_C CAiWsPluginManager* CAiWsPluginManager::NewL

        (CCoeEnv& aCoeEnv)

    {

    return CAiWsPluginManagerImpl::NewL(aCoeEnv);

    }

TInt CAiWsPluginManagerImpl::HandlePhoneEvent( TAny* aPtr )

	{

    CAiWsPluginManagerImpl* self = 

        static_cast<CAiWsPluginManagerImpl*>( aPtr );

    TInt err = KErrNone;

    if( self )

        {

        TRAP( err, self->TryLoadWsPluginL() );

        }

    return err;

	}

void CAiWsPluginManagerImpl::TryLoadWsPluginL()

    {

    TInt phoneUidVal;

    iPhoneStatusObserver->Get( phoneUidVal );

    const TUid phoneUid = TUid::Uid( phoneUidVal );

    if ( phoneUid != KNullUid )

        {

	    RWsSession& wsSession = iCoeEnv->WsSession();

		TApaTaskList taskList( wsSession );

		TApaTask phoneTask( taskList.FindApp( phoneUid ) );

		if ( phoneTask.Exists() )

			{

            iAnim.Close();

            iWnd.Close();

         	RWindowGroup& aiRootWg = iCoeEnv->RootWin();

    	    // RWindow::Construct requires a unique non-null handle. Active Idle

    	    // does not care about the handle value and just uses this pointer to have

    	    // something non-null.

    	    const TUint32 dummyHandle = reinterpret_cast<TUint32>(this);

  	        User::LeaveIfError( iWnd.Construct(aiRootWg, dummyHandle ) );

    	    const TInt aiWgId = aiRootWg.Identifier();

    	    const TInt phoneWgId = phoneTask.WgId();

    	    User::LeaveIfError( iAnim.Construct( iWnd, aiWgId, phoneWgId ) );

    	    // No need to monitor Phone app status anymore

    	    Release( iPhoneStatusObserver );

    	    iPhoneStatusObserver = NULL;

			}

	    }

    }