classicui_plat/misc_controls_api/inc/EIKDPOBS.H
changeset 45 667edd0b8678
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/classicui_plat/misc_controls_api/inc/EIKDPOBS.H	Fri Jul 23 17:08:56 2010 +0800
@@ -0,0 +1,100 @@
+/*
+* Copyright (c) 1999 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:
+*
+*/
+
+
+#ifndef __EIKDPOBS_H__
+#define __EIKDPOBS_H__
+
+#include <eikfctry.h>
+
+
+/**
+ * The MEikDialogPageObserver class specifies an interface through which the behaviour of the pages of
+ * a dialog may be observed.
+ *
+ * @since ER5U
+ */
+class MEikDialogPageObserver
+	{
+/**
+ * It is necessary to know from which base class a control has been derived from
+ * in order to use the correct layout method.
+ * These are all the known form control base types.
+ */
+	public:
+		enum TFormControlTypes
+		{
+		EUnknownType,
+		EEdwinDerived,
+		EMfneDerived,
+		EPopfieldDerived,
+		ESecretEditorDerived,
+		ESliderDerived,
+		EColourSelectionGridDerived
+		};
+ 
+    public:
+        enum TDialogPageObserverEvents
+            {
+            EDialogPageTapped
+            };
+ 
+public:
+	/**
+	 * Prepares for focus transition from the current line e.g. to validate the
+	 * contents of the current control.
+	 */
+	virtual void PrepareForFocusTransitionL()=0;
+
+	/**
+	 * Takes any action required when the active dialog page is changed to aPageId.
+	 */
+	virtual void PageChangedL(TInt aPageId)=0;
+
+	/**
+	 * Takes any action required when the current line is changed to aControlId.
+	 */
+	virtual void LineChangedL(TInt aControlId)=0;
+
+	/**
+	 * Creates a custom control of type aControlType and returns the control information for the custom control
+	 * which is created. Called when creating a line on the dialog page if the Eikon control factory does not
+	 * recognise the type aControlType.
+	 */
+	virtual SEikControlInfo CreateCustomControlL(TInt aControlType)=0;
+
+	/**
+	 * ConvertCustomControlTypeToKnownControlType
+	 * Used for custom control, to provide a mapping for forms between custom controls
+	 * and the base types that the layout knows how to deal with.
+	 * For example an edwin derived custom control could return EEikCtEdwin
+	*/
+	virtual TFormControlTypes ConvertCustomControlTypeToBaseControlType(TInt aControlType)const =0 ;
+
+	/**
+	 * Gets the custom auto value for the custom control aControl of type aControlType with return value
+	 * aReturnValue. This method is included in the interface to support deprecated legacy code only.
+	 */
+	virtual void GetCustomAutoValue(TAny* aReturnValue,TInt aControlType,const CCoeControl* aControl)=0;
+
+	/**
+	 * Takes any action required when the dialog page event happens.
+	 */
+	virtual void HandleDialogPageEventL(TInt aEventID) = 0;
+	};
+
+#endif