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/*
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* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Component factory interface
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*
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*/
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// User includes
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#include "xnappuiadapter.h"
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#include "xnviewadapter.h"
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#include "xncomponentfactory.h"
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#include "xncomponent.h"
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#include "xnnodepluginif.h"
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#include "xncomponentnodeimpl.h"
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#include "xnviewnodeimpl.h"
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#include "xncontroladapter.h"
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#include "xnpanic.h"
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#include "xntype.h"
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// Constants
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_LIT8( KToolTip, "tooltip" );
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_LIT8( KView, "view" );
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// ============================= LOCAL FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// FindParentAdapter
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// Find a parent control adapter up the node chain
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// -----------------------------------------------------------------------------
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//
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static CXnControlAdapter* FindParentAdapter( CXnNode& aNode )
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{
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CXnNode* parent( aNode.Parent() );
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for( ; parent; parent = parent->Parent() )
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{
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CXnControlAdapter* control( parent->Control() );
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if( control )
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{
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return control;
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}
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}
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return NULL;
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}
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// MXnComponentFactory::MXnComponentFactory
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C MXnComponentFactory::MXnComponentFactory()
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{
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}
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// -----------------------------------------------------------------------------
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// MXnComponentFactory::CreateXnComponentL
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// Creates a component
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// -----------------------------------------------------------------------------
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//
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EXPORT_C MXnComponentFactory::TXnComponentFactoryResponse MXnComponentFactory::CreateXnComponentL(
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CXnNodePluginIf& aNode,
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CXnComponent*& aTargetComponent )
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{
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const TDesC8& type( aNode.Type()->Type() );
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MXnComponentFactory::TXnComponentFactoryResponse response =
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MakeXnComponentL( aNode, aTargetComponent );
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CleanupStack::PushL( aTargetComponent );
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if ( response != EXnFactoryResponseComponentConstructed )
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{
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CleanupStack::PopAndDestroy( aTargetComponent );
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return response;
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}
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CXnControlAdapter* parentAdapter( FindParentAdapter( aNode.Node() ) );
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CXnControlAdapter* adapter( MakeXnControlAdapterL( aNode, parentAdapter ) );
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aTargetComponent->SetNode( aNode );
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if ( type == KView )
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{
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aNode.ViewNodeImpl()->SetComponent( aTargetComponent );
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}
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else
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{
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aNode.ComponentNodeImpl()->SetComponent( aTargetComponent );
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}
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if ( parentAdapter )
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{
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parentAdapter->AppendChildL( *adapter, aNode.Node() );
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}
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aTargetComponent->SetControlAdapter( adapter );
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if ( !adapter )
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{
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CleanupStack::Pop( aTargetComponent );
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return response;
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}
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adapter->SetComponent( aTargetComponent );
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adapter->SetComponentsToInheritVisibility( ETrue );
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if ( type != KToolTip )
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{
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// Don't activate tooltip yet
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adapter->ActivateL();
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}
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CleanupStack::Pop( aTargetComponent );
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return response;
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}
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// -----------------------------------------------------------------------------
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// MXnComponentFactory::DoesNodeNeedComponentImplL
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// Check whether a node needs a component node implementation
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TBool MXnComponentFactory::DoesNodeNeedComponentImplL(
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const TDesC8& /*aType*/ )
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{
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return ETrue;
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}
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// -----------------------------------------------------------------------------
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// MXnComponentFactory::MakeXnComponentL
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// Factory method to create component
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// -----------------------------------------------------------------------------
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//
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EXPORT_C MXnComponentFactory::TXnComponentFactoryResponse MXnComponentFactory::MakeXnComponentL(
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CXnNodePluginIf& /*aNode*/,
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CXnComponent*& /*aTargetComponent*/ )
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{
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return EXnFactoryResponseComponentNotSupported;
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}
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// -----------------------------------------------------------------------------
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// MXnComponentFactory::MakeXnComponentL
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// Factory method to create control adapter
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CXnControlAdapter* MXnComponentFactory::MakeXnControlAdapterL(
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CXnNodePluginIf& /*aNode*/,
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CXnControlAdapter* /*aParent*/ )
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{
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return NULL;
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}
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// -----------------------------------------------------------------------------
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// Default destructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C MXnComponentFactory::~MXnComponentFactory()
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{
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}
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