--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/wmlengine/src/xhtml/include/XhtmlTableElementHandler.h Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,173 @@
+/*
+* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: Handles table elements in XHTML documents.
+*
+*/
+
+
+
+#ifndef CXHTMLTABLEELEMENTHANDLER__H
+#define CXHTMLTABLEELEMENTHANDLER__H
+
+// INCLUDES
+#include <e32def.h>
+#include <e32base.h>
+
+#include "nwx_defs.h"
+#include "nw_dom_node.h"
+
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef struct NW_XHTML_ContentHandler_s NW_XHTML_ContentHandler_t;
+typedef struct NW_XHTML_ElementHandler_s NW_XHTML_ElementHandler_t;
+typedef struct NW_LMgr_Box_s NW_LMgr_Box_t;
+typedef struct NW_LMgr_RootBox_s NW_LMgr_RootBox_t;
+typedef struct NW_LMgr_ContainerBox_s NW_LMgr_ContainerBox_t;
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+// CLASS DECLARATION
+
+// TODO: This class should be derived from CElementHandler once the browser is
+// converted to c++.
+
+class CXHTMLTableElementHandler : public CBase
+ {
+ public: // Constructors and destructor
+ /**
+ * Two-phased constructor.
+ */
+ static CXHTMLTableElementHandler* NewL(const NW_XHTML_ElementHandler_t* aElementHandler,
+ NW_XHTML_ContentHandler_t* aContentHandler, NW_DOM_ElementNode_t* aElementNode);
+
+ /**
+ * Destructor.
+ */
+ virtual ~CXHTMLTableElementHandler();
+
+
+ public: // New Methods
+ /**
+ * Initializes the ElementHandler.
+ *
+ * @return status code
+ */
+ virtual TBrowserStatusCode Initialize(void);
+
+ /**
+ * Creates the box-tree associated with the tag.
+ *
+ * @param aParentBox the parent to attach the new box-tree to.
+ * @return status code
+ */
+ virtual TBrowserStatusCode CreateBoxTree(NW_LMgr_ContainerBox_t& aParentBox);
+
+ /**
+ * Returns whether or not grid mode applies to this table.
+ *
+ * @return ETrue or EFalse.
+ */
+ TBool DoesGridModeApply(void);
+
+
+ private: // Private Methods
+ /**
+ * C++ default constructor.
+ */
+ CXHTMLTableElementHandler(const NW_XHTML_ElementHandler_t* aElementHandler,
+ NW_XHTML_ContentHandler_t* aContentHandler, NW_DOM_ElementNode_t* aElementNode);
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL(void);
+
+ /**
+ * A simple helper method to create the box-tree.
+ *
+ * @param aElementNode the table's element node.
+ * @param aTableBox the table's box.
+ * @param aTableContainerParent the table's parent's box.
+ *
+ * @return status code
+ */
+ TBrowserStatusCode CreateSubTree(NW_DOM_ElementNode_t* aElementNode,
+ NW_LMgr_Box_t* aTableBox, NW_LMgr_ContainerBox_t* aTableContainerParent);
+
+ /**
+ * A simple helper method to create the box-tree.
+ *
+ * @param aElementHandler the table's element handler.
+ * @param aElementNode the table's element node.
+ * @param aTableBox the table's box.
+ * @param aTableContainerParent the table's parent's box.
+ *
+ * @return status code
+ */
+ TBrowserStatusCode CreateSubTreeHelper(const NW_XHTML_ElementHandler_t* aElementHandler,
+ NW_DOM_ElementNode_t* aElementNode, NW_LMgr_Box_t* aTableBox,
+ NW_LMgr_ContainerBox_t* aTableContainerParent);
+
+ /**
+ * Returns true if the parent has only one element, ignoring text nodes that
+ * only contain whitespace.
+ *
+ * @return true or false.
+ */
+ NW_Bool HasOnlyOneElementChild(NW_DOM_Node_t* aParentNode);
+
+ /**
+ * This method is called each time a table chunk arrives. It is used
+ * to determine whether or not that table should be laid out in grid mode.
+ *
+ * @return status code
+ */
+ TBrowserStatusCode PreEvalTable();
+
+ /**
+ * This method is called after all of the chunks of a table arrive. It is used
+ * to determine whether or not that table should be laid out in grid mode.
+ *
+ * @return status code
+ */
+ TBrowserStatusCode PostEvalTable();
+
+
+ private: // Data
+ const NW_XHTML_ElementHandler_t* iElementHandler;
+ NW_XHTML_ContentHandler_t* iContentHandler;
+ NW_DOM_ElementNode_t* iElementNode;
+ NW_LMgr_RootBox_t* iRootBox;
+ NW_Float32 iScreenWidth;
+
+ TInt8 iIsGridMode;
+ NW_DOM_Node_t* iLastEvaluatedElement;
+ TInt32 iNumberOfElements;
+ };
+
+#endif // CXHTMLTABLEELEMENTHANDLER__H