--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/AudioEffects/SourceLocationEffectImpl.cpp Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,438 @@
+/*
+* Copyright (c) 2006 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: Project file for EnhancedMediaClient Utility
+*
+*/
+
+
+#include "SourceLocationEffectImpl.h"
+#include <SourceLocationBase.h>
+#include <ControlObserver.h>
+
+using namespace multimedia;
+
+CSourceLocationEffect::CSourceLocationEffect()
+ {
+ // No Impl
+ }
+
+CSourceLocationEffect::~CSourceLocationEffect()
+ {
+ delete iPrevSourceLocationProxy;
+ delete iSourceLocationProxy;
+ iObservers.Close();
+ }
+
+TInt CSourceLocationEffect::PostConstructor()
+ {
+ TRAPD( status, CEffectControlBase::ConstructL(KUidSourceLocationEffect) );
+ return status;
+ }
+
+// From MControl begins
+TInt CSourceLocationEffect::AddObserver( MControlObserver& aObserver )
+ {
+ return iObservers.Append(&aObserver);
+ }
+
+TInt CSourceLocationEffect::RemoveObserver( MControlObserver& aObserver )
+ {
+ TInt index = iObservers.Find(&aObserver);
+ if( index != KErrNotFound )
+ {
+ iObservers.Remove(index);
+ }
+ return index;
+ }
+
+TUid CSourceLocationEffect::Type()
+ {
+ return KSourceLocationEffectControl;
+ }
+
+TControlType CSourceLocationEffect::ControlType()
+ {
+ return EEffectControl;
+ }
+
+// From MControl ends
+
+// From MEffectControl begins
+TInt CSourceLocationEffect::Apply()
+ {
+ return DoApply();
+ }
+
+// From MEffectControl ends
+
+TInt CSourceLocationEffect::DoApply()
+ {
+ TInt error(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ TRAP(error,iSourceLocationProxy->ApplyL());
+ }
+ else
+ {
+ error = KErrNotReady;
+ }
+ return error;
+ }
+
+// From MSourceLocationEffect begins
+/**
+* Gets the cartesian coordinates for the location of the position.
+* @since 5.0
+* @param aX The x-coordinate of the position (in millimeters)
+* @param aY The y-coordinate of the position (in millimeters)
+* @param aZ The z-coordinate of the position (in millimeters)
+* @return -
+*/
+
+TInt CSourceLocationEffect::LocationCartesian( TInt& aX, TInt& aY, TInt& aZ )
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ TInt32 a,b,c;
+ iSourceLocationProxy->LocationCartesian(a,b,c);
+ aX = a;
+ aY = b;
+ aZ = c;
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Gets the spherical coordinates for the location of the position.
+* @since 5.0
+* @param aAzimuth The Azimuth of the position (thousandths of radians)
+* @param aElevation The elevation of the position (thousandths of radians)
+* @param aRadius The radius of the position (thousandths of radians)
+* @return -
+*/
+TInt CSourceLocationEffect::LocationSpherical( TInt& aAzimuth, TInt& aElevation, TInt& aRadius )
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ TInt32 a,b,c;
+ iSourceLocationProxy->LocationSpherical(a,b,c);
+ aAzimuth = a;
+ aElevation = b;
+ aRadius = c;
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Sets the cartesian coordinates for the location of the position.
+* @since 5.0
+* @param aX The x-coordinate of the position
+* @param aY The y-coordinate of the position
+* @param aZ The z-coordinate of the position
+* @return -
+*/
+TInt CSourceLocationEffect::SetLocationCartesian( TInt aX, TInt aY, TInt aZ )
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ TInt32 a,b,c;
+ a = aX;
+ b = aY;
+ c = aZ;
+ TRAP(status,iSourceLocationProxy->SetLocationCartesianL(a,b,c));
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Sets the spherical coordinates for the location of the position.
+* @since 5.0
+* @param aAzimuth The Azimuth of the position (thousandths of radians)
+* @param aElevation The elevation of the position (thousandths of radians)
+* @param aRadius The radius of the position (thousandths of radians)
+* @return -
+*/
+TInt CSourceLocationEffect::SetLocationSpherical( TInt aAzimuth, TInt aElevation, TInt aRadius )
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ TInt32 a,b,c;
+ a = aAzimuth;
+ b = aElevation;
+ c = aRadius;
+ TRAP(status,iSourceLocationProxy->SetLocationSphericalL(a,b,c));
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+// From MSourceLocationEffect ends
+
+// From MAudioEffectControl
+/**
+* Disable the effect
+* @since 5.0
+*/
+TInt CSourceLocationEffect::Disable()
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ TRAP(status,iSourceLocationProxy->DisableL());
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Enable the effect
+* @since 5.0
+*/
+TInt CSourceLocationEffect::Enable()
+ {
+ TInt status(KErrNone);
+ RDebug::Print(_L("CSourceLocationEffect::Enable() [%x]"),iSourceLocationProxy);
+ if(iSourceLocationProxy)
+ {
+ TRAP(status,iSourceLocationProxy->EnableL());
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Enforce the effect.
+* @since 5.0
+* @param aEnforced Indicate the effect is to be enforced or not. ETrue = Enforced.
+*/
+TInt CSourceLocationEffect::Enforce( TBool &aEnforced )
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ TRAP(status,iSourceLocationProxy->EnforceL(aEnforced));
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Check if this effect object currently has update rights.
+* A client can lose update rights in some hardware platforms where there are a limited
+* number of instances of an effect that can exist at the same time. When an effect instance
+* has lost update rights the user can still change settings, but any calls to Apply the
+* settings will be deferred until update rights are regained.
+* @since 5.0
+* @return ETrue if this object currently has rights to update the settings of this effect,
+* EFalse otherwise.
+*/
+TInt CSourceLocationEffect::HaveUpdateRights(TBool &aHaveUpdateRights)
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ aHaveUpdateRights = iSourceLocationProxy->HaveUpdateRights();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Check if the effect is enabled
+* @since 5.0
+* @return ETrue if the effect is enabled, EFalse if the effect is disabled.
+*/
+TInt CSourceLocationEffect::IsEnabled(TBool &aEnabled)
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ aEnabled = iSourceLocationProxy->IsEnabled();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/**
+* Check if the effect is enforced.
+* @since 5.0
+* @return ETrue if the effect is enforced, EFalse if the effect isn ot enforced.
+*/
+TInt CSourceLocationEffect::IsEnforced(TBool &aEnforced)
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ aEnforced = iSourceLocationProxy->IsEnforced();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+
+/*
+* Get the unique identifier of the audio effect
+* @since 5.0
+* @return Unique identifier of the audio effect object.
+*/
+TInt CSourceLocationEffect::Uid(TUid &aUid)
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ aUid = iSourceLocationProxy->Uid();
+ }
+ else
+ {
+ status = KErrNotReady;
+ }
+ return status;
+ }
+// From MAudioEffectControl Ends
+
+
+// From CEffectControlBase begins
+void CSourceLocationEffect::Event( TEffectControlEvent aEvent )
+ {
+ TInt status(KErrNone);
+ // Controller Loaded with ECIBuilderCreated
+ if ( aEvent == ECIBuilderCreated )
+ {
+ RDebug::Print(_L("Deleting Proxy"));
+ status = DeleteEffectProxy();
+ RDebug::Print(_L("Deleting Proxy [%d]"),status);
+ status = CreateEffectProxy();
+ RDebug::Print(_L("Creating Proxy [%d]"),status);
+ if(status == KErrNone)
+ {
+ SavePreviousSettings();
+ }
+ else
+ {
+ for ( TInt i = 0; i < iObservers.Count(); i++ )
+ {
+ iObservers[i]->Event(this,MAudioEffectControl::KDisabled,NULL);
+ }
+ }
+ }
+ else if ( aEvent == EMessageHandlerDeleted )
+ {
+ if(status == KErrNone)
+ {
+ DeleteEffectProxy();
+ }
+ }
+ }
+
+// From CEffectControlBase ends
+
+TInt CSourceLocationEffect::CreateEffectProxy()
+ {
+ TInt status(KErrNone);
+ status = GetMessageHandle(iMsgHndlrHandlePckg);
+ if(status != KErrNone)
+ {
+ return status;
+ }
+ iCustomCommand = GetCustomCommand();
+ if(!iCustomCommand)
+ {
+ return KErrNotReady;
+ }
+
+ TRAP(status,iSourceLocationProxy = CSourceLocationProxy::NewL(iMsgHndlrHandlePckg, *iCustomCommand, NULL));
+ if(status == KErrNone)
+ {
+ TRAP(status,iSourceLocationProxy->RegisterObserverL(*this));
+ }
+
+ return status;
+ }
+
+TInt CSourceLocationEffect::DeleteEffectProxy()
+ {
+ TInt status(KErrNone);
+ if(iSourceLocationProxy)
+ {
+ iPrevSourceLocationProxy = iSourceLocationProxy;
+ }
+ iSourceLocationProxy = NULL;
+ return status;
+ }
+
+TInt CSourceLocationEffect::SavePreviousSettings()
+ {
+ TInt status(KErrNone);
+ if(iPrevSourceLocationProxy)
+ {
+ TBool enforce = iPrevSourceLocationProxy->IsEnforced();
+ iSourceLocationProxy->EnforceL(enforce);
+
+ TBool enable = iPrevSourceLocationProxy->IsEnabled();
+ if(enable)
+ {
+ iSourceLocationProxy->EnableL();
+ }
+
+ delete iPrevSourceLocationProxy;
+ iPrevSourceLocationProxy = NULL;
+ }
+ return status;
+ }
+
+ void CSourceLocationEffect::EffectChanged( const CAudioEffect* /*aObservedEffect*/, TUint8 aEvent )
+ {
+ for ( TInt i = 0; i < iObservers.Count(); i++ )
+ {
+ iObservers[i]->Event(this,aEvent,NULL);
+ }
+ }
+
+// End of file