--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/inc/cesmrlistcomponent.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,225 @@
+/*
+* Copyright (c) 2007-2009 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:  ESMR Custom list component
+*
+*/
+
+#ifndef CESMRLISTCOMPONENT_H
+#define CESMRLISTCOMPONENT_H
+
+#include <coecntrl.h>
+#include <eiksbobs.h>
+#include <eikscrlb.h>
+#include <aknphysicsobserveriface.h> // MAknPhysicsObserver
+
+#include "mesmrlistobserver.h"
+
+class CESMRField;
+class CESMRLayoutManager;
+class MESMRFieldStorage;
+class MESMRCalEntry;
+class CMRListPane;
+class CAknPhysics;
+
+/**
+ * CESMRListComponent is custom list for Meeting Request edtior and viewer.
+ * List contains a List pane of CESMRField items that are stored in CESMRFieldStorage
+ * class.
+ *
+ * @see CESMRField
+ * @lib esmrgui.lib
+ */
+NONSHARABLE_CLASS( CESMRListComponent ):
+    public CCoeControl,
+    public MESMRListObserver,
+    public MEikScrollBarObserver,
+    public MAknPhysicsObserver
+    {
+public:
+    /**
+     * Two-phased constructor.
+     *
+     * @param aParent Parent control for this list component
+     * @param aStorage Storage contains all the list items.
+     * @return Pointer to created and initialized esmr list component object.
+     */
+     static CESMRListComponent* NewL( 
+                 const CCoeControl* aParent, 
+                 MESMRFieldStorage* aStorage, 
+                 CESMRLayoutManager* aLayout );
+
+    /**
+     * Destructor.
+     */
+    ~CESMRListComponent();
+
+    /**
+     * InternalizeL is used to obtain the data from current CCalEntry.
+     * CCalEntry is wrapped inside MESMRCalEntry object. This call is
+     * propagated to all list items in the list.
+     *
+     * @param aEntry Current entry
+     * @see MESMRCalEntry
+     */
+    void InternalizeL( MESMRCalEntry& aEntry );
+
+    /**
+     * ExternalizeL is used to store the list item data into current
+     * CCalEntry. CCalEntry is wrapped inside the MESMRCalEntry object.
+     *
+     * @param aEntry Current entry.
+     * @param aForceValidation ETrue if force validation should be used
+     * @see MESMRCalEntry
+     */
+    void ExternalizeL( MESMRCalEntry& aEntry, TBool aForceValidation = EFalse );
+
+    /**
+     * Return MESMRListObserver interface. Interface allows the caller
+     * to add, remove field and update field size.
+     */
+     MESMRListObserver& ListObserver();
+
+    /**
+     * Return focused list item.
+     * @return Focused list item or NULL if no focused item
+     */
+     CESMRField* FocusedItem() const;
+
+    /**
+     * Initializes all fields. Needed when theme changes
+     */
+    void InitializeL();
+
+    /**
+     * Changes every fields font
+     */
+    void HandleFontChange();
+
+    void DisableSizeChange(TBool aDisable );
+
+public: // From MEikScrollBarObserver
+    void HandleScrollEventL( CEikScrollBar* aScrollBar,
+                             TEikScrollEvent aEventType );
+
+public: // from MAknPhysicsObserver
+
+   /**
+    * @see MAknPhysicsObserver::ViewPositionChanged
+    */
+   virtual void ViewPositionChanged( const TPoint& aNewPosition, TBool aDrawNow, TUint aFlags );
+
+   /**
+    * @see MAknPhysicsObserver::PhysicEmulationEnded
+    */
+   virtual void PhysicEmulationEnded();
+
+   /**
+    * @see MAknPhysicsObserver::ViewPosition
+    */
+   virtual TPoint ViewPosition() const;
+
+
+protected: // From MESMRListObserver
+    void ControlSizeChanged( CESMRField* aCtrl );
+    void InsertControl( TESMREntryFieldId aField );
+    void RemoveControl( TESMREntryFieldId aField );
+    TBool IsControlVisible( TESMREntryFieldId aField );
+    void SetControlFocusedL( TESMREntryFieldId aField );
+    // SCROLLING_MOD: These two methods are for CESMRRichTextViewer to 
+    //be able to control view area
+    void MoveListAreaDownL( TInt aAmount );
+    void MoveListAreaUpL( TInt aAmount );
+    TInt ListHeight();
+    TBool IsFieldBottomVisible();
+
+public: // From CCoeControl
+    TInt CountComponentControls() const;
+    CCoeControl* ComponentControl( TInt aInd ) const;
+    void SizeChanged();
+    TKeyResponse OfferKeyEventL( const TKeyEvent &aKeyEvent,
+                                 TEventCode aType );
+    virtual void HandlePointerEventL(const TPointerEvent& aPointerEvent);
+	void MakeVisible(TBool aVisible);
+
+
+private:
+    /**
+     * Default c++ constuctor
+     */
+    CESMRListComponent( MESMRFieldStorage* aFactory,
+                        CESMRLayoutManager* aLayout );
+    /**
+     * Second phase constructor
+     */
+    void ConstructL( const CCoeControl* aParent );
+
+private: // Helper methods
+
+    /**
+     * Scrolls the specific field to be fully visible
+     *
+     * @param aInd Index of the field that needs to be fully visible
+     * @param aSizeChanged ETrue if the field size has been changed
+     */
+    void ScrollItemVisible( TInt aInd/*, TBool aSizeChanged*/ );
+
+    /**
+     * Scrolls items in the list up.
+     *
+     * @param aPx Amount of pixels that items are moved up
+     */
+    void ScrollItemsUp( TInt aPx );
+
+    /**
+     * Scrolls items in the list down.
+     *
+     * @param aPx Amount of pixels that items are moved down
+     */
+    void ScrollItemsDown( TInt aPx );
+
+    /**
+     * Updates scroll bar
+     */
+    void UpdateScrollBar();
+
+    /**
+     * Sets physics engine parameters
+     */
+    void UpdatePhysicsL();
+    
+private:
+    /// Own: scrollbar
+    CAknDoubleSpanScrollBar* iScroll;
+    /// Ref: scrollbar model
+    TAknDoubleSpanScrollBarModel iScrollModel;
+    /// Own: Storage for list items.
+    MESMRFieldStorage* iFactory;
+    /// Own: List item container
+    CMRListPane* iContainer;
+    /// Ref: Pointer to Layout data for list component
+    CESMRLayoutManager* iLayout;
+    // Own: Boolean for disabling SizeChanged handling
+    TBool iDisableSizeChanged;
+    // previous scroll bar thumb position
+    TInt iPrevThumbPos;
+
+    CAknPhysics* iPhysics;
+    TBool iIsDragging;
+    TBool iIsScrolling;
+    TPoint iPreviousPosition;
+    TPoint iOriginalPosition;
+    TTime iStartTime;
+    TInt iCurrentScrollSpan;
+    };
+#endif //CESMRLISTCOMPONENT_H