hwrmhaptics/examples/hapticstestapp/inc/hapticstesteffectdatahandler.h
changeset 76 cb32bcc88bad
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hwrmhaptics/examples/hapticstestapp/inc/hapticstesteffectdatahandler.h	Fri Oct 08 14:33:25 2010 +0300
@@ -0,0 +1,486 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Handles and stores effect related data.
+*
+*/
+
+
+#ifndef __HAPTICSTEST_EFFECTDATAHANDLER_H__
+#define __HAPTICSTEST_EFFECTDATAHANDLER_H__
+
+#include <e32base.h>
+#include <hwrmhaptics.h>
+
+// values used for modifying effects
+const TInt KEffectMagnitude25 = 0.25 * KHWRMHapticsMaxMagnitude;
+const TInt KEffectMagnitude50 = 0.50 * KHWRMHapticsMaxMagnitude;
+const TInt KEffectMagnitude75 = 0.75 * KHWRMHapticsMaxMagnitude;
+const TInt KEffectDuration1 = 1000;
+const TInt KEffectDuration5 = 5000;
+const TInt KEffectDuration10 = 10000;
+const TInt KEffectDuration30 = 30000;
+const TInt KEffectDuration60 = 60000;
+const TInt KEffectAttackTime02 = 200;
+const TInt KEffectAttackTime1 = 1000;
+const TInt KEffectAttackTime5 = 5000;
+const TInt KEffectAttackTime10 = 10000;
+const TInt KEffectAttackTime30 = 30000;
+const TInt KEffectAttackTime60 = 60000;
+const TInt KEffectFadeTime02 = 200;
+const TInt KEffectFadeTime1 = 1000;
+const TInt KEffectFadeTime5 = 5000;
+const TInt KEffectFadeTime10 = 10000;
+const TInt KEffectFadeTime30 = 30000;
+const TInt KEffectFadeTime60 = 60000;
+const TInt KEffectPeriod50 = 50;
+const TInt KEffectPeriod100 = 100;
+const TInt KEffectPeriod300 = 300;
+const TInt KEffectPeriod600 = 600;
+const TInt KEffectPeriod1000 = 1000;
+const TInt KEffectPeriod3000 = 3000;
+
+/**
+ * Handles effect data storage of both history data of 
+ * played effects (array) and single effect data of the 
+ * effect, which can be modified during runtime.
+ */
+class CHapticsTestEffectDataHandler : public CBase
+    {
+public:
+
+    /**
+     * Symbian two-phased construction.
+     *
+     * @return Pointer to the created instance.
+     */
+    static CHapticsTestEffectDataHandler* NewL();
+
+    /**
+     * Symbian two-phased construction. Leaves the pointer
+     * onto the cleanupstack.
+     *
+     * @return Pointer to the created instance.
+     */
+    static CHapticsTestEffectDataHandler* NewLC();
+
+    /**
+     * Destructor.
+     */
+    virtual ~CHapticsTestEffectDataHandler();
+
+public: // effect history array related
+
+    /**
+     * Adds effect data to effect history array.
+     * 
+     * @param aEffectHandle Handle to the effect just played.
+     * @param aFileHandle Handle to IVT-file used for the effect. The 
+     * default value KErrNotFound indicates that an IVT-file was not used.
+     * @param aIndex Index of the effect in the effect file. The default
+     * value KErrNotFound indicates that an IVT-file was not used.
+     */
+    void AddEffectInfo( TInt aEffectHandle,
+                        TInt aFileHandle = KErrNotFound,
+                        TInt aIndex = KErrNotFound );
+
+    /**
+     * Deletest all effect info items from the list that have the 
+     * given filehandle in their data. This method is used, when deleting
+     * IVT-data, i.e. that data is no longer available.
+     * 
+     * @param aFileHandle Handle to IVT-file used for the effect.
+     */
+    void DeleteEffectInfo( TInt aFileHandle );
+
+    /**
+     * Returns the amount of effect data stored in the history data array.
+     */
+    TInt Count() const;
+
+    /**
+     * Returns the effect handle of the given effect data item.
+     *
+     * @param aIndex Index of the effect data in the history array.
+     * @return The effect handle of the effect.
+     */
+    TInt EffectHandle( TInt aIndex ) const;
+
+    /**
+     * Returns the file handle of the given effect data item.
+     *
+     * @param aIndex Index of the effect data in the history array.
+     * @return The file handle of the effect.
+     */
+    TInt FileHandle( TInt aIndex ) const;
+
+    /**
+     * Returns the effect index of the given effect data item.
+     *
+     * @param aIndex Index of the effect data in the history array.
+     * @return The effect index of the effect.
+     */
+    TInt EffectIndex( TInt aIndex ) const;
+
+public: // modifiable effect related
+
+    /**
+     * Resets the modifiable effect data with the data received in the
+     * given magsweep effect.
+     *
+     * @param aMagSweep MagSweep effect data.
+     * @param aEffectHandle Effect handle to this effect.
+     * @param aHaptics Haptics client instance.
+     */
+    void ResetModifiableMagSweepEffectL( const CHWRMHaptics::THWRMHapticsMagSweepEffect& aMagSweep,
+                                         TInt aEffectHandle,
+                                         CHWRMHaptics* aHaptics );
+
+    /**
+     * Resets the modifiable effect data with the data received in the
+     * given periodic effect.
+     *
+     * @param aPeriodic Periodic effect data.
+     * @param aEffectHandle Effect handle to this effect.
+     * @param aHaptics Haptics client instance.
+     */
+    void ResetModifiablePeriodicEffectL( const CHWRMHaptics::THWRMHapticsPeriodicEffect& aPeriodic,
+                                         TInt aEffectHandle,
+                                         CHWRMHaptics* aHaptics );
+
+    /**
+     * Starts the timer, which calls the ModifyPlayingEffect() callback
+     * after a certain time period for modifying the last stored effect
+     * using ResetModifiableEffectL().
+     *
+     * @param aFunction Callback method for the started timer.
+     */
+    void StartModifiableEffectTimerL( TInt (*aFunction)(TAny* aPtr) );
+
+    /**
+     * Stops and deletes the auto-modifiable effect timer.
+     */
+    void ResetModifiableEffectTimer();
+    
+    /**
+     * Returns whether or not a modifiable effect exists.
+     */
+    TBool ModifiableEffectExists() const;
+
+    /**
+     * Returns whether or not the currently stored effect is a 
+     * magsweep effect.
+     */
+    TBool ModifiableEffectIsMagSweep() const;
+
+    /**
+     * Returns whether or not the currently stored effect is a 
+     * periodic effect.
+     */
+    TBool ModifiableEffectIsPeriodic() const;
+    
+    /**
+     * Returns the effect handle of the modifiable effect.
+     */
+    TInt ModifiableEffectHandle() const;
+    
+    /**
+     * Returns the amount of times the current modifiable effect
+     * has been modified already.
+     */
+    TInt ModifyCount() const;
+    
+    /**
+     * Returns the pointer to the haptics client instance, which
+     * has been set to the effect modification data.
+     */
+    CHWRMHaptics* Haptics() const;
+    
+    /**
+     * Fills in default magsweep effect data into the given structure.
+     * 
+     * @param aMagSweep MagSweep effect data structure for the method to fill.
+     * @param aInfinite Whether or not the duration should be infinite.
+     * @param aAutoModifiable Whether or not the created data is used 
+     * for automatic modification using a timer.
+     * @param aHaptics Haptics client instance.
+     */
+    void FillDefaultMagSweepData( CHWRMHaptics::THWRMHapticsMagSweepEffect& aMagSweep,
+                                  TBool aInfinite, TBool aAutoModifiable,
+                                  CHWRMHaptics* aHaptics ) const;
+
+    /**
+     * Fills in default periodic effect data into the given structure.
+     * 
+     * @param aPeriodic Periodic effect data structure for the method to fill.
+     * @param aInfinite Whether or not the duration should be infinite.
+     * @param aAutoModifiable Whether or not the created data is used 
+     * for automatic modification using a timer.
+     * @param aHaptics Haptics client instance.
+     */
+    void FillDefaultPeriodicData( CHWRMHaptics::THWRMHapticsPeriodicEffect& aPeriodic,
+                                  TBool aInfinite, TBool aAutoModifiable,
+                                  CHWRMHaptics* aHaptics ) const;
+
+    /**
+     * Fills in the modifiable effect data into the given magsweep structure.
+     *
+     * @param aMagSweep MagSweep effect data structure for the method to fill.
+     */
+    void FillModifiableMagSweepData( CHWRMHaptics::THWRMHapticsMagSweepEffect& aMagSweep ) const;
+
+    /**
+     * Fills in the modifiable effect data into the given periodic structure.
+     *
+     * @param aPeriodic Periodic effect data structure for the method to fill.
+     */
+    void FillModifiablePeriodicData( CHWRMHaptics::THWRMHapticsPeriodicEffect& aPeriodic ) const;
+
+    /**
+     * Sets the modifiable effect's modify count.
+     */
+    void SetModifyCount( TInt aModifyCount );
+
+    /**
+     * Sets the modifiable effect's duration value.
+     */
+    void SetDuration( TInt aDuration );
+
+    /**
+     * Sets the modifiable effect's magnitude value.
+     */
+    void SetMagnitude( TInt aMagnitude );
+
+    /**
+     * Sets the modifiable effect's style value.
+     */
+    void SetStyle( CHWRMHaptics::THWRMHapticsEffectStyles aStyle );
+
+    /**
+     * Sets the modifiable effect's attack level value.
+     */
+    void SetAttackLevel( TInt aAttackLevel );
+
+    /**
+     * Sets the modifiable effect's fade level value.
+     */
+    void SetFadeLevel( TInt aFadeLevel );
+
+    /**
+     * Sets the modifiable effect's attack time value.
+     */
+    void SetAttackTime( TInt aAttackTime );
+
+    /**
+     * Sets the modifiable effect's fade time value.
+     */
+    void SetFadeTime( TInt aFadeTime );
+
+    /**
+     * Sets the modifiable effect's period value.
+     */
+    void SetPeriod( TInt aPeriod );
+
+public: // submenu handling for effect data related submenus
+
+    /**
+     * Creates all submenu items for a change effect state submenu
+     * (pause, resume, stop). Fetches all the names of the effects
+     * from currently loaded IVT-data.
+     *
+     * @param aMenuPane Menu object to which menu items are added.
+     * @param aCommandId Id of an options menu command to be used
+     * for all items.
+     * @param aHaptics Haptics client instance used for fetching effect names.
+     */
+    void DynInitChangeEffectStateSubmenuL( CEikMenuPane* aMenuPane, 
+                                           TInt aCommandId,
+                                           CHWRMHaptics* aHaptics );
+         
+    /**
+     * Creates the checkmark to the duration, which is currently in use
+     * in the duration modification submenu.
+     */
+    void DynInitDurationSubmenu( CEikMenuPane* aMenuPane ) const;
+
+    /**
+     * Creates the checkmark to the magnitude, which is currently in use
+     * in the magnitude modification submenu.
+     */
+    void DynInitMagnitudeSubmenu( CEikMenuPane* aMenuPane ) const;
+
+    /**
+     * Creates the checkmark to the style, which is currently in use
+     * in the style modification submenu.
+     */
+    void DynInitStyleSubmenu( CEikMenuPane* aMenuPane ) const;
+
+    /**
+     * Creates the checkmark to the attack level, which is currently in use
+     * in the attack level modification submenu.
+     */
+    void DynInitAttackLevelSubmenu( CEikMenuPane* aMenuPane ) const;
+
+    /**
+     * Creates the checkmark to the fade level, which is currently in use
+     * in the fade level modification submenu.
+     */
+    void DynInitFadeLevelSubmenu( CEikMenuPane* aMenuPane ) const;
+
+    /**
+     * Creates the checkmark to the attack time, which is currently in use
+     * in the attack time modification submenu.
+     */
+    void DynInitAttackTimeSubmenu( CEikMenuPane* aMenuPane ) const;
+
+    /**
+     * Creates the checkmark to the fade time, which is currently in use
+     * in the fade time modification submenu.
+     */
+    void DynInitFadeTimeSubmenu( CEikMenuPane* aMenuPane ) const;
+
+    /**
+     * Creates the checkmark to the period, which is currently in use
+     * in the period modification submenu.
+     */
+    void DynInitPeriodSubmenu( CEikMenuPane* aMenuPane ) const;
+
+private:
+    
+    /**
+     * Internal structure for maintaining information about played
+     * effect. The data is used, when pausing, stopping and resuming
+     * effect play.
+     */
+    struct TPlayedEffect
+        {
+        /**
+         * Handle to IVT-data file, from which the effect has been played.
+         * Needed for fetching effect related information.
+         */
+        TInt iFileHandle;
+
+        /**
+         * Index of the effect in the effect file. Needed for fetching
+         * effect related information.
+         */
+        TInt iEffectIndex;
+
+        /**
+         * Handle to the effect itself.
+         */
+        TInt iEffectHandle;
+        }; 
+
+    /**
+     * Internal structure for maintaining information about an effect, 
+     * which can be modified during application execution.
+     */
+    struct TModifyEffect
+        {
+        /**
+         * Haptics client instance. Not owned.
+         * The pointer is included in this data so that the 
+         * timer callback method is able to access haptics.
+         */
+        CHWRMHaptics* iHaptics;
+        
+        /**
+         * Type of the effect being modified.
+         */
+        CHWRMHaptics::THWRMHapticsEffectTypes iEffectType;
+
+        /**
+         * Handle to the effect itself.
+         */
+        TInt iEffectHandle;
+        
+        /**
+         * Keeps track on how many modifications have been done.
+         */
+        TInt iModifyCount;
+        
+        /**
+         * Duration value used for the effect.
+         */
+        TInt iDuration;
+        
+        /**
+         * Magnitude value used for the effect.
+         */
+        TInt iMagnitude;
+
+        /**
+         * Style of the effect.
+         */
+        TInt iStyle;
+
+        /**
+         * Attack level value used for the effect.
+         */
+        TInt iAttackLevel;
+
+        /**
+         * Fade level value used for the effect.
+         */
+        TInt iFadeLevel;
+
+        /**
+         * Attack time value used for the effect.
+         */
+        TInt iAttackTime;
+
+        /**
+         * Fade time value used for the effect.
+         */
+        TInt iFadeTime;
+
+        /**
+         * Period value used for the (periodic) effect.
+         */
+        TInt iPeriod;
+        };
+
+private:
+
+    /**
+     * C++ constructor.
+     */
+    CHapticsTestEffectDataHandler();
+
+    /**
+     * Second phase construction.
+     */
+    void ConstructL();
+
+private:
+
+    /**
+     * Array containing history data of effect play. Used for
+     * pausing, resuming and stopping effects.
+     */
+    RArray<TPlayedEffect> iPlayedEffectArray;
+
+    /**
+     * Timer used for constant modification of an effect.
+     */
+    CPeriodic* iModifyTimer;
+
+    /**
+     * Effect data stored for effect modification.
+     */
+    TModifyEffect* iModifyEffect;
+    };
+
+
+#endif // __HAPTICSTEST_EFFECTDATAHANDLER_H__