/*

* Copyright (c) 2007 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:  PSM Plug-in loader

*

*/

#include <ecom/ecom.h>

#include <psmpluginbase.h>

#include "psmpluginloader.h"

#include "psmsrvplugin.h"

#include "psmmanager.h"

#include "psmtrace.h"

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

// CPsmPluginLoader::NewL

// Two-phased constructor.

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

//

CPsmPluginLoader* CPsmPluginLoader::NewL( CPsmManager& aManager )

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::NewL()" ) ) );

    CPsmPluginLoader* self = CPsmPluginLoader::NewLC( aManager );

    CleanupStack::Pop( self );

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::NewL - return 0x%x" ), self ) );

    return self;

    }

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

// CPsmPluginLoader::NewLC

// Two-phased constructor.

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

//

CPsmPluginLoader* CPsmPluginLoader::NewLC( CPsmManager& aManager )

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::NewLC()" ) ) );

    CPsmPluginLoader* self = new( ELeave ) CPsmPluginLoader( aManager );

    CleanupStack::PushL( self );

    self->ConstructL();

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::NewLC - return 0x%x" ), self ) );

    return self;

    }

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

// CPsmPluginLoader::CPsmPluginLoader

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CPsmPluginLoader::CPsmPluginLoader( CPsmManager& aManager ) :

    iManager( aManager )

    {

    // Nothing to do

    }

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

// CPsmPluginLoader::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPsmPluginLoader::ConstructL()

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::ConstructL()" ) ) );

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::ConstructL - return" ) ) );

    }

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

// Destructor

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

//

CPsmPluginLoader::~CPsmPluginLoader()

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::~CPsmPluginLoader()" ) ) );

    iPluginArray.ResetAndDestroy();

    REComSession::FinalClose();

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::~CPsmPluginLoader - return") ) );

    }

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

// CPsmPluginLoader::InitializePluginsL

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

//

static void ResetAndDestroyArray( TAny* aPtr )

    {

    RImplInfoPtrArray* array = static_cast< RImplInfoPtrArray* >( aPtr );

    array->ResetAndDestroy();

    array->Close();

    }

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

// CPsmPluginLoader::InitializePluginsL

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

//

void CPsmPluginLoader::InitializePluginsL()

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::InitializePluginsL()" ) ) );

    // List implementations

    RImplInfoPtrArray implInfoArray;

    TCleanupItem cleanupItem( ResetAndDestroyArray, &implInfoArray );

    CleanupStack::PushL( cleanupItem );

    REComSession::ListImplementationsL( KPsmPluginControlInterfaceUid, implInfoArray );

    // Get number of implementations

    const TInt pluginCount( implInfoArray.Count() );

    // Loop implementation info and create instances

    for ( TInt i = 0; i < pluginCount; i++ )

        {

        // Get next implementation info

        CImplementationInformation* info = 

            static_cast<CImplementationInformation*>( implInfoArray[i] );

        COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::InitializePluginsL - create plugin 0x%x started" ),

            info->ImplementationUid().iUid) );

        // Create new instance of the plugin

        CPsmSrvPlugin* plugin = NULL;

        TRAPD(err, plugin = CPsmSrvPlugin::NewL( iManager, info->ImplementationUid() ));

        if( err == KErrNone )

            {

            // Add plugin to array

            CleanupStack::PushL( plugin );

            User::LeaveIfError( iPluginArray.Append( plugin ) );

            CleanupStack::Pop( plugin );

            }

        COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::InitializePluginsL - create plugin 0x%x ended with code %d" ),

            info->ImplementationUid().iUid, err ) );

        }

    // Reset and destroy implementations infos

    CleanupStack::PopAndDestroy(&implInfoArray);

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::InitializePluginsL - return plugin count: %d" ), pluginCount ) );

    }

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

// CPsmPluginLoader::NotifyPlugins

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

//

void CPsmPluginLoader::NotifyPlugins()

    {

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::NotifyPlugins()" ) ) );

    // Current mode

    const TPsmsrvMode mode( iManager.SettingsProvider().Mode() );

    // Loop plugins and notify

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

        {

        iPluginArray[ i ]->NotifyModeChange( mode );

        }

    COMPONENT_TRACE( ( _L( "PSM Server - CPsmPluginLoader::NotifyPlugins - return" ) ) );

    }

// End of file