diff -r 000000000000 -r 71ca22bcf22a mmfenh/enhancedmediaclient/Client/src/Components/AudioEffects/SourceLocationEffectImpl.cpp --- /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 +#include + +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