/*

* Copyright (c) 2005-2006 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:  Device status plugin interface.

*

*/

// System includes

#include <ecom/ecom.h>

#include <ecom/implementationproxy.h>

#include <coemain.h>

#include <data_caging_path_literals.hrh>

#include <bautils.h>

#include <aiutility.h>

#include <featmgr.h>

#include <aidevicestatuscontentmodel.h>

// User includes

#include "aidevicestatusplugin.h"

#include "aidevicestatuspluginengine.h"

#include "aipublishprioritizer.h"

#include "aimulticontentobserver.h"

#include "aipluginsettings.h"

#include "ainetworkinfolistener.h"

// Constants

_LIT( KResourceDrive, "Z:" );

_LIT( KResourceFile, "aidevstaplgres.rsc" );

#define KResourcePath KDC_RESOURCE_FILES_DIR

// ECOM implementation table

const TImplementationProxy KImplementationTable[] =

    {

    IMPLEMENTATION_PROXY_ENTRY(KImplUidDevStaPlugin, CAiDeviceStatusPlugin::NewL)

    };

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

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

// CAiDeviceStatusPlugin::CAiDeviceStatusPlugin

//

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

//

CAiDeviceStatusPlugin::CAiDeviceStatusPlugin() 

    : iResourceOffset( KErrNotFound ),

    iRequirePublish( EFalse )

    {

    }

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

// CAiDeviceStatusPlugin::ConstructL

//

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

//

void CAiDeviceStatusPlugin::ConstructL()

    {     

    FeatureManager::InitializeLibL();

    // Create master instance to prevent deletion on Stop()

    iListener = CAiNetworkInfoListener::InstanceL();

	//Create content here since this is needed in optimization phase.

    iContent = AiUtility::CreateContentItemArrayIteratorL( KAiDeviceStatusContent );

    iResources = AiUtility::CreateContentItemArrayIteratorL( KAiDeviceStatusResources );

    iContentObservers = CAiMultiContentObserver::NewL();

    iPrioritizer = CAiPublishPrioritizer::NewL( *iContentObservers, *this );

    }

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

// CAiDeviceStatusPlugin::NewL

//

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

//

CAiDeviceStatusPlugin* CAiDeviceStatusPlugin::NewL()

    {

    CAiDeviceStatusPlugin* self = CAiDeviceStatusPlugin::NewLC();

    CleanupStack::Pop( self );

    return self;

    }

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

// CAiDeviceStatusPlugin::NewLC

//

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

//

CAiDeviceStatusPlugin* CAiDeviceStatusPlugin::NewLC()

    {

    CAiDeviceStatusPlugin* self = new( ELeave ) CAiDeviceStatusPlugin;

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CAiDeviceStatusPlugin::~CAiDeviceStatusPlugin

//

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

//

CAiDeviceStatusPlugin::~CAiDeviceStatusPlugin()

    {

    delete iPrioritizer;

    FreeResources();

    delete iContentObservers;

    Release( iResources );

    Release( iContent );

    FeatureManager::UnInitializeLib();

    if( iListener )

        {

        iListener->Release();

        }

    }

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

// CAiDeviceStatusPlugin::AllocateResourcesL

//

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

//

void CAiDeviceStatusPlugin::AllocateResourcesL()

    {

    //create engine

    if( !iEngine )

    	{

   	    iEngine = CAiDeviceStatusPluginEngine::NewL( 

            *iContentObservers, *this, *iPrioritizer );   	                                                      	                                                  

    	}

	if( iResourceOffset < 0 )

		{

		CCoeEnv* coe( CCoeEnv::Static() );

		if ( coe )

		    {

	        //Add resource file to cone

	        TFullName resourceFile( KResourceDrive );

	        resourceFile.Append( KResourcePath );

	        resourceFile.Append( KResourceFile );

	        BaflUtils::NearestLanguageFile( coe->FsSession(), resourceFile );

	        iResourceOffset = coe->AddResourceFileL( resourceFile );		    

		    }

		}

    }

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

// CAiDeviceStatusPlugin::FreeResources

//

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

//

void CAiDeviceStatusPlugin::FreeResources()

    {

    iRequirePublish = EFalse;

	if( iResourceOffset >= 0 )

	    {

	    CCoeEnv* coe = CCoeEnv::Static();

    	//If device status plugin is created when CCoeEnv is available and

    	//destroyed when it is not anymore available, cone will inform about

    	//resource leak.

	    if ( coe )

	        {

        	coe->DeleteResourceFile( iResourceOffset );

        	iResourceOffset = KErrNotFound;

        	}

	    }

	delete iEngine;

	iEngine = NULL;

    }

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

// CAiDeviceStatusPlugin::Start

//

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

//

void CAiDeviceStatusPlugin::Start( TStartReason /*aReason*/ )     

    {   

    iRequirePublish = ETrue;

    if ( iContentObservers )

        {

        iContentObservers->ClearBlackList();

        }    

    }

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

// CAiDeviceStatusPlugin::Stop

//

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

//

void CAiDeviceStatusPlugin::Stop( TStopReason /*aReason*/ )     

    {

    iRequirePublish = EFalse;

    }

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

// CAiDeviceStatusPlugin::Resume

//

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

//

void CAiDeviceStatusPlugin::Resume( TResumeReason aReason )     

    {          

    if ( aReason == EForeground )

        {

        if ( iRequirePublish )

            {

            TRAP_IGNORE( DoResumeL() );            

            iRequirePublish = EFalse;

            }

        else

            {

            TRAP_IGNORE( 

				iEngine->RefreshActivePublishersL( EFalse ) );

            }

        }

    }

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

// CAiDeviceStatusPlugin::Suspend

//

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

//

void CAiDeviceStatusPlugin::Suspend( TSuspendReason /*aReason*/ )    

    {

    }

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

// CAiDeviceStatusPlugin::SubscribeL

//

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

//

void CAiDeviceStatusPlugin::SubscribeL( MAiContentObserver& aObserver )

    {

    iContentObservers->AddObserverL( aObserver );

    }

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

// CAiDeviceStatusPlugin::ConfigureL

//

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

//

void CAiDeviceStatusPlugin::ConfigureL( RAiSettingsItemArray& aSettings )

    {

	aSettings.ResetAndDestroy();

	AllocateResourcesL();

    }

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

// CAiDeviceStatusPlugin::GetProperty

//

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

//

TAny* CAiDeviceStatusPlugin::GetProperty( TProperty aProperty )     

    {

    if ( aProperty == EPublisherContent )

        {

        return static_cast< MAiContentItemIterator* >( iContent );

        }

    else if ( aProperty ==  EPublisherResources )

        {

        return static_cast< MAiContentItemIterator* >( iResources );

        }

    else if ( aProperty == EContentRequest )

        {

        return static_cast< MAiContentRequest* >( this );

        }

    return NULL;

    }

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

// CAiDeviceStatusPlugin::DoResumeL

//

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

//

void CAiDeviceStatusPlugin::DoResumeL()

    {    

    iEngine->ResumePublishersL();

    iEngine->RefreshPublishersL( EFalse );

    }

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

// CAiDeviceStatusPlugin::RefreshContent

//

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

//

TBool CAiDeviceStatusPlugin::RefreshContent( TInt aContentId )

    {

    TBool result( EFalse );

    TRAP_IGNORE( result = iEngine->RefreshPublishersL( aContentId, EFalse ) );

    return result;

    }

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

// CAiDeviceStatusPlugin::SuspendContent

//

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

//

TBool CAiDeviceStatusPlugin::SuspendContent( TInt aContentId )

    {

    TBool result( EFalse );

    TRAP_IGNORE( result = iEngine->SuspendPublishersL( aContentId, EFalse ) );

    return result;

    }

// ======== GLOBAL FUNCTIONS ========

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

// ImplementationGroupProxy

//

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

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy( 

    TInt& aTableCount )

    {

    aTableCount = sizeof(KImplementationTable) / sizeof( TImplementationProxy );

    return KImplementationTable;

    }

// End of file