/*

* Copyright (c) 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:  Xuikon layout engine plugin interface

*

*/

// User includes

#include "xnuienginepluginif.h"

#include "xnuiengine.h"

#include "xnnode.h"

#include "xnnodepluginif.h"

#include "xnproperty.h"

#include "xnpointerarray.h"

#include "xnodt.h"

#include "xndomdocument.h"

#include "xneditmode.h"

#include "xneditor.h"

#include "xnviewdata.h"

#include "xndomnode.h"

#include "xnpanic.h"

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

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

// TXnUiEnginePluginIf::TXnUiEnginePluginIf

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

// might leave.

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

//

TXnUiEnginePluginIf::TXnUiEnginePluginIf( CXnUiEngine& aUiEngine )

    {

    iUiEngine = &aUiEngine;

    }

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

// TXnUiEnginePluginIf::RootNode

// Forwards the call to the ui engine implementation

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

//

EXPORT_C CXnNodePluginIf& TXnUiEnginePluginIf::RootNodeL()

    {

    CXnNode* node = iUiEngine->RootNode();

    return node->PluginIfL();

    }

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

// TXnUiEnginePluginIf::FindNodeByIdL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C CXnNodePluginIf* TXnUiEnginePluginIf::FindNodeByIdL(

    const TDesC& aNodeId,

    const TDesC& aNamespace )

    {

    CXnNode* node = iUiEngine->FindNodeByIdL( aNodeId, aNamespace );

    if ( !node )

        {

        return NULL;

        }

    return &( node->PluginIfL() );

    }

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

// TXnUiEnginePluginIf::FindNodeByIdL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C CXnNodePluginIf* TXnUiEnginePluginIf::FindNodeByIdL(

    const TDesC8& aNodeId,

    const TDesC8& aNamespace )

    {

    CXnNode* node = iUiEngine->FindNodeByIdL( aNodeId, aNamespace );

    if ( !node )

        {

        return NULL;

        }

    return &( node->PluginIfL() );

    }

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

// TXnUiEnginePluginIf::FindNodeByClassL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C RPointerArray< CXnNodePluginIf > TXnUiEnginePluginIf::FindNodeByClassL(

    const TDesC& aClassId )

    {

    CXnPointerArray* array = iUiEngine->FindNodeByClassL( aClassId );

    CleanupStack::PushL( array );

    RPointerArray< CXnNodePluginIf > interfaceArray;

    // Push interfaceArray.Close() on cleanup stack to free the array buffer in

    // case of a leave

    CleanupClosePushL( interfaceArray );

    const TInt count = array->Container().Count();

    // Reserve the needed array buffer in one allocation to increase

    // excution speed and decrease heap fragmentation

    interfaceArray.ReserveL( count );

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

        {

        CXnNode* node = static_cast< CXnNode* >( array->Container()[i] );

        // Append cannot fail because ReserveL call before this loop has

        // allocated the array buffer

        interfaceArray.Append( &( node->PluginIfL() ) );

        }

    CleanupStack::Pop( &interfaceArray );

    CleanupStack::PopAndDestroy( array );

    return interfaceArray;

    }

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

// TXnUiEnginePluginIf::RenderUIL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C void TXnUiEnginePluginIf::RenderUIL( CXnNodePluginIf* aNode )

    {

    CXnNode* node = NULL;

    if ( aNode )

        {

        node = &( aNode->Node() );

        }

    iUiEngine->RenderUIL( node );

    }

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

// TXnUiEnginePluginIf::Resources

// Forwards the call to the ui engine implementation

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

//

EXPORT_C CArrayPtrSeg< CXnResource >& TXnUiEnginePluginIf::Resources()

    {

    return iUiEngine->Resources();

    }

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

// TXnUiEnginePluginIf::FocusedNode

// Forwards the call to the ui engine implementation

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

//

EXPORT_C CXnNodePluginIf* TXnUiEnginePluginIf::FocusedNodeL()

    {

    CXnNodePluginIf* ret = NULL;

    if ( iUiEngine->FocusedNode() )

        {

        ret = &( iUiEngine->FocusedNode()->PluginIfL() );

        }

    return ret;

    }

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

// TXnUiEnginePluginIf::SetFocusedNode

// Forwards the call to the ui engine implementation

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

//

EXPORT_C void TXnUiEnginePluginIf::SetFocusedNode(

    CXnNodePluginIf* aFocusedNode )

    {

    CXnNode* node( NULL );

    if ( aFocusedNode )

        {

        node = &( aFocusedNode->Node() );

        }

    }

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

// TXnUiEnginePluginIf::StringPool

// Forwards the call to the ui engine implementation

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

//

EXPORT_C CXnDomStringPool& TXnUiEnginePluginIf::StringPool()

    {

    return *iUiEngine->ODT()->DomDocument().StringPool();

    }

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

// TXnUiEnginePluginIf::VerticalPixelValueL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C TInt TXnUiEnginePluginIf::VerticalPixelValueL(

    CXnProperty* aValue, TInt aReferenceValue )

    {

    return iUiEngine->VerticalPixelValueL( aValue, aReferenceValue );

    }

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

// TXnUiEnginePluginIf::HorizontalPixelValueL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C TInt TXnUiEnginePluginIf::HorizontalPixelValueL(

    CXnProperty* aValue, TInt aReferenceValue )

    {

    return iUiEngine->HorizontalPixelValueL( aValue, aReferenceValue );

    }

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

// TXnUiEnginePluginIf::VerticalTwipValueL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C TInt TXnUiEnginePluginIf::VerticalTwipValueL(

    CXnProperty* aValue, TInt aReferenceValue )

    {

    return iUiEngine->VerticalTwipValueL( aValue, aReferenceValue );

    }

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

// TXnUiEnginePluginIf::HorizontalTwipValueL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C TInt TXnUiEnginePluginIf::HorizontalTwipValueL(

    CXnProperty* aValue, TInt aReferenceValue )

    {

    return iUiEngine->HorizontalTwipValueL( aValue, aReferenceValue );

    }

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

// TXnUiEnginePluginIf::ScreenDeviceSize

// Get the size of the current screen device

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

//

EXPORT_C TSize TXnUiEnginePluginIf::ScreenDeviceSize()

    {

    return iUiEngine->ScreenDeviceSize();

    }

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

// TXnUiEnginePluginIf::IsDialogDisplaying

// Checks whether the dialog is displaying or not.

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

//

EXPORT_C TBool TXnUiEnginePluginIf::IsDialogDisplaying()

    {

    return iUiEngine->IsDialogDisplaying();

    }

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

// TXnUiEnginePluginIf::AddDirtyNodeL

// Sets the given node dirty.

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

//

EXPORT_C void TXnUiEnginePluginIf::AddDirtyNodeL( CXnNodePluginIf& aNode )

    {

    aNode.SetDirtyL();

    }

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

// TXnUiEnginePluginIf::IsMenuDisplaying

// Checks whether the menu is displaying or not.

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

//

EXPORT_C TBool TXnUiEnginePluginIf::IsMenuDisplaying()

    {

    return iUiEngine->IsMenuDisplaying();

    }

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

// TXnUiEnginePluginIf::LayoutUIL

// Forwards the call to the ui engine implementation

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

//

EXPORT_C void TXnUiEnginePluginIf::LayoutUIL( CXnNodePluginIf* aNode )

    {

    CXnNode* node = NULL;

    if ( aNode )

        {

        node = &( aNode->Node() );

        }

    iUiEngine->LayoutUIL( node );

    }

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

// TXnUiEnginePluginIf::EditState

// Checks wheter editmode is active or not

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

//

EXPORT_C TInt TXnUiEnginePluginIf::EditMode()

    {

    return iUiEngine->EditMode()->EditState();

    }

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

// TXnUiEnginePluginIf::WidgetsVisible

// Checks widgets' visibility state

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

//

EXPORT_C TBool TXnUiEnginePluginIf::WidgetsVisible() const

    {

    return iUiEngine->Editor()->WidgetsVisible();

    }

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

// TXnUiEnginePluginIf::PluginNodeL

//

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

//

EXPORT_C CXnNodePluginIf& TXnUiEnginePluginIf::PluginNodeL(

    CXnNodePluginIf* aNode )

    {

    CXnViewManager* manager( iUiEngine->ViewManager() );

    CXnNode* node( NULL );

    if ( manager )

        {

        CXnPluginData* pluginData( 

            manager->ActiveViewData().Plugin( &aNode->Node() ) );

        if ( pluginData )

            {

            CXnDomNode* domNode( pluginData->Owner() );

            if ( domNode )

                {

                node = domNode->LayoutNode();

                }        

            }

        }

    if( !node )

        {

        User::Leave( KErrNotFound );

        }

    return node->PluginIfL();

    }

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

// TXnUiEnginePluginIf::DisableRenderUiLC

// 

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

//               

EXPORT_C void TXnUiEnginePluginIf::DisableRenderUiLC()

    {

    iUiEngine->DisableRenderUiLC();

    }

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

// TXnUiEnginePluginIf::IsTextEditorActive

// 

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

//

EXPORT_C TBool TXnUiEnginePluginIf::IsTextEditorActive()

    {

    return iUiEngine->IsTextEditorActive();

    }

// End of file