--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/aknphysics/inc/aknphysicsconeobserver.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,258 @@
+/*
+* Copyright (c) 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:  AknPhysics control environment observer
+*
+*/
+
+
+#ifndef C_AKNPHYSICSCONEOBSERVER_H
+#define C_AKNPHYSICSCONEOBSERVER_H
+
+
+#include <coemain.h>
+#include <e32base.h>
+
+class CAknPhysics;
+class CAknPhysicsKeyConsumer;
+class CAknPhysicsRestrictor;
+class CCoeControl;
+class CAknPhysicsDragObserver;
+class CAknAppUi;
+
+/**
+ *  AknPhysics control environment observer
+ *
+ */
+NONSHARABLE_CLASS( CAknPhysicsConeObserver ) 
+    : 
+    public CBase, 
+    public MCoeForegroundObserver, 
+    public MCoeMessageMonitorObserver
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     */
+    static CAknPhysicsConeObserver* NewL( CAknPhysics* aPhysics,
+                                          CAknPhysicsRestrictor* aRestrictror );
+
+    /**
+     * Two-phased constructor.
+     */
+    static CAknPhysicsConeObserver* NewLC( CAknPhysics* aPhysics,
+                                           CAknPhysicsRestrictor* aRestrictror );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CAknPhysicsConeObserver();
+    
+    /**
+     * Returns ETrue if event handling is allowed.
+     *
+     * @return ETrue if event handling is allowed.
+     */
+    TBool EventHandlingAllowed() const;
+
+    /**
+     * Sets view window control.
+     *
+     * @param aControl New view control.
+     */
+    void SetViewWindowControl( CCoeControl* aControl );
+
+    /**
+     * Informs that physics state is changed.
+     */
+    void PhysicsStateChanged();
+
+    /**
+     * Returns ETrue if drag parameters has changed during view control
+     * dragging event.
+     *
+     * @param aLandscape ETrue if physics view is in landscape.
+     * @param aDragDistance Changed drag distance.
+     * @param aMoveTime Changed drag move time.
+     * @return ETrue if drag direction has changed.
+     */
+    TBool DragChanged( const TBool& aLandscape,
+                       TPoint& aDragDistance, 
+                       TInt& aMoveTime ) const;
+
+    /**
+     * Updates view window control.
+     *
+     * @param aControl New view control.
+     */
+    void UpdateViewWindowControl( CCoeControl* aControl );
+
+private:
+
+    /**
+     * C++ constructor.
+     */
+    CAknPhysicsConeObserver( CAknPhysics* aPhysics, CAknPhysicsRestrictor* aRestrictror );
+
+    /**
+     * Symbian second-phase constructor.
+     */
+    void ConstructL();
+
+    /**
+     * Returns the ongoing physics action.
+     *
+     * @return Ongoing physics action.
+     */
+    TInt OngoingAction() const;
+    
+    /**
+     * Returns code that determines where the pointerevent was targeted.
+     *
+     * @param aPointerEvent Event to be tested.
+     * @param aTargetControl Event target control.
+     * @return TPointerEventTarget type target code.
+     */
+    TInt EventTargetedToView( const TPointerEvent* aEvent, 
+                              const CCoeControl* aTargetControl );
+
+    /**
+     * Returns ETrue if physics should be stopped with pointer
+     * event.
+     *
+     * @param aEvent Pointer event.
+     * @param aTargetControl Event target control.
+     * @return ETrue if physics should be stopped.
+     */
+    TBool MonitorPointerEvent( TPointerEvent* aEvent,
+                               CCoeControl* aTargetControl );
+
+    /**
+     * Returns ETrue if physics should be stopped with key event.
+     *
+     * @param aEvent Key event.
+     * @return ETrue if physics should be stopped.
+     */
+    TBool MonitorKeyEvent( TKeyEvent* aEvent );
+
+    /**
+     * Returns ETrue if pointer event modifier has modified the pointer event.
+     * This is the case e.g. if scroll bar extension is in view control
+     * area and pointer event is actually targeted to scroll bar instead of
+     * view control.
+     *
+     * @param aEvent Pointer event.
+     * @param aTargetControl Event target control.
+     * @return ETrue pointer event modifier has modified the pointer event.
+     */
+    TBool PointerEventModified( TPointerEvent* aEvent,
+                                CCoeControl* aTargetControl );
+
+    /**
+     * Provides application AknAppUi.
+     */
+    CAknAppUi* AppUi();
+
+// from base class MCoeForegroundObserver
+
+    /**
+     * Handles the application coming to the foreground.
+     */
+    void HandleGainingForeground();
+
+    /**
+     * Handles the application going into the background.
+     */
+    void HandleLosingForeground();
+
+// from base class MCoeMessageMonitorObserver
+    
+    /**
+     * Received windows messages for monitoring.
+     *
+     * @param aEvent The windows server event data.
+     */
+    void MonitorWsMessage( const TWsEvent &aEvent );
+
+private: // data
+
+
+    /**
+     * Pointer event target enum.
+     */
+    enum TPointerEventTarget
+        {
+        ETargetViewControl = 1,
+        ETargetOtherControl,
+        ETargetUnresolvedControl,
+        ETargetChildControl
+        };
+
+    /**
+     * Physics object.
+     * Not own.
+     */
+    CAknPhysics* iPhysics;
+
+    /**
+     * Key consuming control.
+     * Own.
+     */
+    CAknPhysicsKeyConsumer* iKeyConsumer;
+    
+    /**
+     * Control environment.
+     * Not own.
+     */
+    CCoeEnv* iCoeEnv;
+
+    /**
+     * ETrue if physics event handling is allowed.
+     */
+    TBool iEventsAllowed;
+
+    /**
+     * ETrue if observer is monitoring wsevents.
+     */
+    TBool iMonitoringWs;
+
+    /**
+     * Physics view window control.
+     * Not own.
+     */
+    CCoeControl* iWindowControl;
+
+    /**
+     * Physics view control.
+     * Not own.
+     */
+    CCoeControl* iViewControl;
+
+    /**
+     * Physics restrictor.
+     * Not own.
+     */
+    CAknPhysicsRestrictor* iRestrictor;
+
+    /**
+     * Drag observer.
+     * Own.
+     */
+    CAknPhysicsDragObserver* iDragObserver;
+
+    };
+
+
+#endif // C_AKNPHYSICSCONEOBSERVER_H