idlehomescreen/xmluirendering/uiengine/inc/xnodtparser.h
changeset 0 f72a12da539e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluirendering/uiengine/inc/xnodtparser.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,150 @@
+/*
+* 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:  Parser for parsing ODT (Object Description Tree) data
+*
+*/
+
+
+#ifndef _CXNODTPARSER_H
+#define _CXNODTPARSER_H
+
+//  System includes
+#include <e32base.h>
+
+// Constants
+
+// Forward declarations
+class CXnViewManager;
+class CXnUiEngine;
+class CXnEcomHandler;
+class CXnRootData;
+class CXnViewData;
+class CXnPluginData;
+class CXnDomStringPool;
+class CXnDomNode;
+class CXnNode;
+
+// Class declaration
+
+/**
+ *  Layout file parser for reading ODT data to create the UI tree.
+ *  
+ *  @ingroup group_xnlayoutengine
+ *  @lib xn3layoutengine.lib
+ *  @since Series 60 3.1
+ */
+NONSHARABLE_CLASS( CXnODTParser ) : public CBase
+    {
+public:
+    // Constructors and destructor
+
+    /**
+     * Two-phased constructor.
+     * 
+     * @param aManager View Manager
+     * @param aXnEcomHandler Ecom handler
+     */
+    static CXnODTParser* NewL( CXnViewManager& aManager,
+            CXnEcomHandler& aXnEcomHandler );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CXnODTParser();
+
+public:
+    // New functions
+
+    /**
+     * Loads application root
+     * 
+     * @param aRootData Root data
+     * @param aAppUid Application uid
+     */    
+    void LoadRootL( CXnRootData& aRootData, TUid aAppUid );
+
+    /**
+     * Loads view
+     * 
+     * @param aViewData View data
+     */        
+    void LoadViewL( CXnViewData& aViewData );
+
+    /**
+     * Destroys view
+     * 
+     * @param aViewData View data
+     */            
+    void DestroyView( CXnViewData& aViewData );
+
+    /**
+     * Loads widget
+     * 
+     * @param aPluginData Plugin data
+     */                
+    void LoadWidgetL( CXnPluginData& aPluginData );
+
+    /**
+     * Destroys widget
+     * 
+     * @param aPluginData Plugin data
+     */                    
+    void DestroyWidgetL( CXnPluginData& aPluginData );
+    
+private:
+    
+    /**
+     * 2nd phase constructor. 
+     */
+    void ConstructL();
+
+    /**
+     * C++ default constructor. 
+     */
+    CXnODTParser( CXnViewManager& aManager,
+            CXnEcomHandler& aXnEcomHandler );
+
+private:
+    // new functions
+    void CreateNodesL( CXnDomNode* aSourceNode, CXnDomStringPool& aSp,
+                          CXnPluginData& aPluginData );
+
+    void ConstructNodeL( CXnDomNode& aSource,        
+        CXnDomStringPool& aSp,    
+        CXnPluginData& aPluginData );
+
+    void CreateControlsL( CXnDomNode* aNode, CXnPluginData& aPluginData );
+    
+    void ConstructControlL( CXnNode* aNode, CXnPluginData& aPluginData );
+
+    TBool CreateBuiltInControlL( CXnNode& aNode, const TDesC8& aName );
+    
+    TBool CreateExternalControlL( CXnNode& aNode, const TDesC8& aName );
+
+    void CreateFactoryControlL( CXnNode& aNode, const TDesC8& aName );
+
+    void HandleWidgetBackgroundL( CXnNode* aWidgetNode );
+
+private:
+    // Data               
+    
+    /** View manager, not owned */    
+    CXnViewManager& iManager;
+    /** UiEngine, not owned */    
+    CXnUiEngine& iUiEngine;
+    /** ECOM helper object, not owned */
+    CXnEcomHandler& iEcomHandler;
+    };
+
+#endif // _CXNODTPARSER_H