1 /*

     2  * ============================================================================

     3  *  Name        : hgteleportphysics.h

     4  *  Part of     : Hg Teleport

     5  *  Description : Application class

     6  *  Version     : %version:  %

     7  *

     8  *  Copyright © 2009 Nokia.  All rights reserved.

     9  *  This material, including documentation and any related computer

    10  *  programs, is protected by copyright controlled by Nokia.  All

    11  *  rights are reserved.  Copying, including reproducing, storing,

    12  *  adapting or translating, any or all of this material requires the

    13  *  prior written consent of Nokia.  This material also contains

    14  *  confidential information which may not be disclosed to others

    15  *  without the prior written consent of Nokia.

    16  * ============================================================================

    17  * 

    18  */

    19 

    20 #ifndef HGTELEPORTPHYSICS_H

    21 #define HGTELEPORTPHYSICS_H

    22 

    23 #include <e32base.h>

    24 #include <e32std.h>

    25 

    26 class MAknPhysicsObserver;

    27 

    28 /**

    29  * Simple physics for grid animation

    30  */

    31 class CHgTeleportPhysics : public CActive

    32     {

    33 public:

    34     /*

    35      * Destructor

    36      */

    37     ~CHgTeleportPhysics();

    38 

    39     /**

    40      * Two-phased constructor.

    41      */

    42     static CHgTeleportPhysics* NewL( MAknPhysicsObserver& aObserver );

    43 

    44     /**

    45      * Two-phased constructor.

    46      */

    47     static CHgTeleportPhysics* NewLC( MAknPhysicsObserver& aObserver );

    48 

    49 public: // New functions

    50     

    51     /**

    52      * Starts animation

    53      * 

    54      * @param  aDrag       next drag point

    55      * @param  aStartTime  when animation should be started

    56      */

    57     void StartPhysics( const TPoint& aTarget );

    58 

    59     /**

    60      * Stops animation

    61      */

    62     void StopPhysics();

    63     

    64 private:

    65     

    66     /**

    67      * C++ constructor

    68      */

    69     CHgTeleportPhysics( MAknPhysicsObserver& aObserver );

    70 

    71     /**

    72      * Second-phase constructor

    73      */

    74     void ConstructL();

    75 

    76 private: // From CActive

    77     

    78     /**

    79      * Handles completion

    80      */

    81     void RunL();

    82 

    83     /**

    84      * Called when cancelled

    85      */

    86     void DoCancel();

    87 

    88     /**

    89      * Hanldes error

    90      */

    91     TInt RunError( TInt aError );

    92     

    93 private: // New functions

    94     

    95     /**

    96      * Calculates animation steps

    97      */

    98     TInt CalculateAnimationSteps( const TPoint& aTarget );

    99 

   100 private:

   101 

   102     enum TPhysicsStatus

   103         {

   104         EStopped,

   105         ERunning,

   106         EFinished

   107         };

   108     

   109     /**

   110      * Observer

   111      */

   112     MAknPhysicsObserver& iObserver;

   113     

   114     /**

   115      * Animation timer

   116      */

   117     RTimer iTimer;

   118     

   119     /**

   120      * Animation state

   121      */

   122     TPhysicsStatus iPhysicsState;

   123     

   124     /**

   125      * Controls animation refresh rate

   126      */

   127     TTimeIntervalMicroSeconds32 iAnimationTickTime;

   128     

   129     /**

   130      * Animation ticks counter

   131      */

   132     TInt iAnimationTicks;

   133     

   134     /**

   135      * Offset of how much view should be moved

   136      */

   137     RArray<TPoint> iAnimationSteps;

   138 

   139     };

   140 

   141 #endif // HGTELEPORTPHYSICS_H