--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/lcdui/inc/CMIDFormPhysics.h Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,193 @@
+/*
+* 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: Class to provide physics related data in forms.
+*
+*/
+
+
+#ifndef CMIDFORMPHYSICS_H
+#define CMIDFORMPHYSICS_H
+
+
+#include <e32base.h>
+#include "MMIDLcduiPhysicsInterface.h"
+
+class CMIDForm;
+
+NONSHARABLE_CLASS(CMIDFormPhysics) : public CBase, public MMIDLcduiPhysicsObserver
+{
+public:
+ /**
+ * Two-phased constructor.
+ */
+ static CMIDFormPhysics* NewL(CMIDForm& aParent);
+
+ /**
+ * Destructor.
+ */
+ virtual ~CMIDFormPhysics();
+
+ static TBool FeatureEnabled();
+
+ /**
+ * Initializes physics engine.
+ *
+ * @since S60 v5.0
+ * @param aWorldSize Collected size of all form items.
+ * @param aViewSize View's size i.e. size of form's rect.
+ * @param aViewCenter View center's initial position.
+ */
+ void InitPhysicsL(const TSize& aWorldSize, const TSize& aViewSize, const TPoint& aViewCenter);
+
+ /**
+ * Stops the physics engine.
+ *
+ * @since S60 v5.0
+ */
+ void Stop();
+
+ /**
+ * Starts the physics engine.
+ *
+ * @since S60 v5.0
+ * @param aLength Length of the flick on display (in pixels).
+ * @param aDuration Flick's duration.
+ * @return ETrue if flicking was started.
+ */
+ TBool StartFlick(const TPoint& aLength, TTime aDuration);
+
+ /**
+ * Returns highlight timeout. Tapped item should be activated only after a small delay.
+ *
+ * @since S60 v5.0
+ * @return Highlight delay.
+ */
+ TInt HighlightDelay() const;
+
+
+ /**
+ * Return drag event's treshold.
+ *
+ * @since S60 v5.0
+ * @return Drag treshold in pixels.
+ */
+ TInt DragThreshold() const;
+
+
+ /**
+ * Returns current view size.
+ *
+ * @since S60 v5.0
+ * @return View size.
+ */
+ TSize ViewSize() const;
+
+ /**
+ * Registers panning position to physics.
+ *
+ * @since S60 v5.0
+ * @aPosition New panning position
+ */
+ void SetPanningPosition(const TPoint& aPosition);
+
+
+public: // from base class MMIDLcduiPhysicsObserver
+ /**
+ * Physics emulation has moved the view.
+ *
+ * @since S60 v5.0
+ * @param aNewPosition The new position of the view.
+ * @param aDrawNow ETrue if client should redraw the screen, otherwise EFalse.
+ * @param aFlags Additional flags, not used currently.
+ */
+ void ViewPositionChanged(const TPoint& aNewPosition, TBool aDrawNow, TUint aFlags);
+
+ /**
+ * Physics emulation has stopped moving the view.
+ *
+ * @since S60 v5.0
+ */
+ void PhysicEmulationEnded();
+
+ /**
+ * Returns the observer view position.
+ *
+ * @since S60 v5.0
+ * @return Physics observer view position.
+ */
+ TPoint ViewPosition() const;
+
+public:
+ /**
+ * Checks whether the physics engine can be stopped.
+ *
+ * @since S60 v5.0
+ * @return ETrue if the physics engine can be stopped.
+ */
+ TBool CanBeStopped() const;
+
+ /**
+ * Checks whether panning and flicking are allowed
+ *
+ * @since S60 v5.0
+ * @return ETrue if allowed.
+ */
+ TBool PhysicsAllowed() const;
+
+private:
+
+ /**
+ * Constructor.
+ */
+ CMIDFormPhysics(CMIDForm& aParent);
+
+ /**
+ * Second stage constructor.
+ */
+ void ConstructL();
+
+public: // data
+ /**
+ * Center of the "view" (the visible window to the whole form i.e. form's
+ * virtual rect).
+ */
+ TPoint iViewCenter;
+
+private: // data
+
+ /**
+ * Interface to the physics engine.
+ * Own.
+ */
+ MMIDLcduiPhysicsInterface* iPhysics;
+
+ /**
+ * Dialog page whose scrolling is controlled by this class.
+ */
+ CMIDForm& iParent;
+
+ /**
+ * Size of the "world".
+ */
+ TSize iWorldSize;
+
+ /**
+ * View size.
+ */
+ TSize iViewSize;
+
+ RLibrary iPluginLoader;
+};
+
+#endif // CMIDFORMPHYSICS_H