--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/wmlengine/src/css/include/CSSHandler.h Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,147 @@
+/*
+* 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: Applies CSS for the box tree
+*
+*/
+
+
+
+#ifndef CCSSHANDLER_H
+#define CCSSHANDLER_H
+
+// INCLUDES
+#include <e32base.h>
+#include "nw_css_processor.h"
+#include "nw_lmgr_boxvisitor.h"
+
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+/**
+* This class applies the CSS styles to the box tree.
+* It breaks each box ApplyStyle into separate RunL
+*
+* @lib css.lib
+* @since 2.1
+*/
+class CCSSHandler : public CActive
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @param aProcessor A pointer to processor object that owns this object
+ * @return CCSSHandler*
+ */
+ static CCSSHandler* NewL(NW_CSS_Processor_t* aProcessor);
+
+ /**
+ * Destructor.
+ */
+ virtual ~CCSSHandler();
+
+
+ public: // New functions
+
+ /**
+ * This is called from the processor when a new stylesheet needs to be applied
+ * @since 2.1
+ * @return void
+ */
+ void ApplyStylesL();
+
+ public: // Functions from base classes
+
+ /**
+ * From CActive
+ * @since 2.1
+ * @param
+ * @return void
+ */
+ void RunL();
+
+ private:
+
+ /**
+ * From CActive Noop.
+ * @since 2.1
+ * @param
+ * @return void
+ */
+ void DoCancel();
+
+ /**
+ * C++ default constructor.
+ * @param aProcessor A pointer to processor object that owns this object
+ * @return CCSSHandler*
+ */
+ CCSSHandler(NW_CSS_Processor_t* aProcessor);
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL();
+
+ /**
+ * This method applies styles to each box in the box tree and stores it as backup.
+ * It is called from the RunL method.
+ * @since 2.1
+ * @return ETrue if styles have been applied to all the boxes, otherwise EFalse
+ */
+ TBool ApplyBoxStylesL();
+
+ /**
+ * After the styles have been applied, this method replace the property list of all boxes
+ * with the box backup property list, reformats the box tree and redraws it. Called from RunL
+ * @since 2.1
+ * @return void
+ */
+ void ApplyStylesCompleteL();
+
+ /**
+ * This method swaps the property list of all boxes with the box backup property list
+ * @since 2.1
+ * @return void
+ */
+ void SwapPropListL();
+
+ /**
+ * Gets the next box (using box visitor) which has the element node set up
+ * @since 2.1
+ * @param (OUT) element node which has been set on the box
+ * @return pointer to the next box
+ */
+ NW_LMgr_Box_t* GetNextBox(NW_DOM_ElementNode_t** node);
+
+ private: // Data
+
+ // box visitor to visit each box of the box tree to which styles are applied
+ NW_LMgr_BoxVisitor_t iBoxVisitor;
+ // processor whose styles need to be applied
+ NW_CSS_Processor_t* iProcessor;
+ };
+
+#endif // CCSSHandler
+
+// End of CSS