mmfenh/enhancedmediaclient/Client/src/Components/AudioEffects/SourceOrientationEffectImpl.h
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     1 /*
       
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Project file for EnhancedMediaClient Utility
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef SOURCEORIENTATIONEFFECTIMPL_H
       
    20 #define SOURCEORIENTATIONEFFECTIMPL_H
       
    21 
       
    22 #include <e32base.h>
       
    23 #include <SourceOrientationControl.h>
       
    24 #include "EffectControlBase.h"
       
    25 #include <SourceOrientationProxy.h>
       
    26 #include <MAudioEffectObserver.h>
       
    27 
       
    28 namespace multimedia
       
    29     {
       
    30 	class MControlObserver;
       
    31     class CSourceOrientationEffect : public CBase,
       
    32                           public MSourceOrientationControl,
       
    33                           public MAudioEffectObserver,
       
    34                           public CEffectControlBase
       
    35         {
       
    36     public:
       
    37         CSourceOrientationEffect();
       
    38         ~CSourceOrientationEffect();
       
    39         TInt PostConstructor();
       
    40 
       
    41         // From MControl begins
       
    42         TInt AddObserver( MControlObserver& aObserver );
       
    43         TInt RemoveObserver( MControlObserver& aObserver );
       
    44         TUid Type();
       
    45         TControlType ControlType();  
       
    46         // From MControl ends
       
    47 
       
    48         // From MEffectControl begins
       
    49         TInt Apply();
       
    50         // From MEffectControl ends
       
    51         
       
    52 		// From MSourceOrientationEffect begins
       
    53 		/**
       
    54 	    * Get the orientation vectors for the position
       
    55 	    * @since 5.0
       
    56 	    * @param aHeading The heading (thousandths of radians)
       
    57 	    * @param aPitch The Pitch (thousandths of radians)
       
    58 	    * @param aRoll The Roll (thousandths of radians)
       
    59 	    * @return -
       
    60 	    */
       
    61 		TInt Orientation( TInt& aHeading, TInt& aPitch, TInt& aRoll );
       
    62 	
       
    63 		/**
       
    64 	    * Gets the orientation of the position.
       
    65 	    * @since 5.0
       
    66 	    * @param aFrontX X value of Front vector
       
    67 	    * @param aFrontY Y value of Front vector
       
    68 	    * @param aFrontZ Z value of Front vector
       
    69 	    * @param aAboveX X value of Above vector
       
    70 	    * @param aAboveY Y value of Above vector
       
    71 	    * @param aAboveZ Z value of Above vector
       
    72 	    * @return -
       
    73 	    */
       
    74 		TInt OrientationVectors( TInt& aFrontX, TInt& aFrontY, TInt& aFrontZ,
       
    75 									TInt& aAboveX, TInt& aAboveY, TInt& aAboveZ );
       
    76 	
       
    77 		/**
       
    78 	    * Sets the Heading, Pitch, Roll values for the orientation of the source
       
    79 	    * @since 5.0
       
    80 	    * @param aHeading The heading (thousandths of radians)
       
    81 	    * @param aPitch The Pitch (thousandths of radians)
       
    82 	    * @param aRoll The Roll (thousandths of radians)
       
    83 	    * @return -
       
    84 	    */
       
    85 		TInt SetOrientation( TInt aHeading, TInt aPitch, TInt aRoll );
       
    86 	
       
    87 		/**
       
    88 	    * Sets the Front and Above vectors for the orientation of the position.
       
    89 	    * @since 5.0
       
    90 	    * @param aFrontX X value of Front vector
       
    91 	    * @param aFrontY Y value of Front vector
       
    92 	    * @param aFrontZ Z value of Front vector
       
    93 	    * @param aAboveX X value of Above vector
       
    94 	    * @param aAboveY Y value of Above vector
       
    95 	    * @param aAboveZ Z value of Above vector
       
    96 	    * @return -
       
    97 	    */
       
    98 		TInt SetOrientationVectors( TInt aFrontX, TInt aFrontY, TInt aFrontZ,
       
    99 										TInt aAboveX, TInt aAboveY, TInt aAboveZ );
       
   100        // From MSourceOrientationEffect ends
       
   101 
       
   102 		// From MAudioEffectControl
       
   103 		/**
       
   104         * Disable the effect
       
   105         * @since 5.0
       
   106         */
       
   107 		TInt Disable();
       
   108 
       
   109 		/**
       
   110         * Enable the effect
       
   111         * @since 5.0
       
   112         */
       
   113 		TInt Enable();
       
   114 
       
   115 		/**
       
   116         * Enforce the effect.
       
   117         * @since 5.0
       
   118         * @param aEnforced Indicate the effect is to be enforced or not. ETrue = Enforced.
       
   119         */
       
   120 		TInt Enforce( TBool &aEnforced );
       
   121 
       
   122 		/**
       
   123         * Check if this effect object currently has update rights.
       
   124         * A client can lose update rights in some hardware platforms where there are a limited
       
   125         * number of instances of an effect that can exist at the same time. When an effect instance
       
   126         * has lost update rights the user can still change settings, but any calls to Apply the
       
   127         * settings will be deferred until update rights are regained.
       
   128         * @since 5.0
       
   129         * @return ETrue if this object currently has rights to update the settings of this effect,
       
   130         *         EFalse otherwise.
       
   131         */
       
   132 		TInt HaveUpdateRights(TBool &aHaveUpdateRights);
       
   133 
       
   134 		/**
       
   135         * Check if the effect is enabled
       
   136         * @since 5.0
       
   137         * @return ETrue if the effect is enabled, EFalse if the effect is disabled.
       
   138         */
       
   139 		TInt IsEnabled(TBool &aEnabled);
       
   140 
       
   141 		/**
       
   142         * Check if the effect is enforced.
       
   143         * @since 5.0
       
   144         * @return ETrue if the effect is enforced, EFalse if the effect isn ot enforced.
       
   145         */
       
   146 		TInt IsEnforced(TBool &aEnforced);
       
   147 
       
   148 		/*
       
   149         * Get the unique identifier of the audio effect
       
   150         * @since 5.0
       
   151         * @return Unique identifier of the audio effect object.
       
   152         */
       
   153 		TInt Uid(TUid &aUid);
       
   154 		// From MAudioEffectControl Ends
       
   155 
       
   156         // MAudioEffectObserver begins
       
   157         void EffectChanged( const CAudioEffect* aObservedEffect, TUint8 aEvent );
       
   158         // MAudioEffectObserver ends
       
   159         
       
   160         // From CEffectControlBase begins
       
   161         void Event( TEffectControlEvent aEvent );
       
   162         // From CEffectControlBase ends
       
   163     
       
   164     private:
       
   165         TInt DoApply();        
       
   166         TInt CreateEffectProxy();
       
   167         TInt DeleteEffectProxy();    
       
   168         TInt SavePreviousSettings();   
       
   169     
       
   170     private:
       
   171         CSourceOrientationProxy* iSourceOrientationProxy;
       
   172         CSourceOrientationProxy* iPrevSourceOrientationProxy;
       
   173         TMMFMessageDestinationPckg iMsgHndlrHandlePckg;
       
   174         MCustomCommand* iCustomCommand;        
       
   175         RPointerArray<MControlObserver> iObservers;    
       
   176         };
       
   177     } // namespace multimedia
       
   178 
       
   179 #endif // SOURCEORIENTATIONEFFECTIMPL_H
       
   180 
       
   181 // End of file