sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\drivers\resourceman\resource_extend.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <drivers/resourcecontrol.h>
sl@0: 
sl@0: /**
sl@0:     @publishedPartner
sl@0:     @prototype 9.5
sl@0:     Constructor for static resource with dependency
sl@0:     This sets the passed resource name and default level.
sl@0: 	This also sets the corresponding bit to identify that it is static resource with dependencies.
sl@0:     @param aName The name for the resource to be set.
sl@0: 	@param aDefaultLevel Default level of the resource. 
sl@0:     */
sl@0: DStaticPowerResourceD::DStaticPowerResourceD(const TDesC8& aName, TInt aDefaultLevel) :
sl@0:                                                            DStaticPowerResource(aName, aDefaultLevel)
sl@0: 	{
sl@0:     __KTRACE_OPT(KRESMANAGER, Kern::Printf(">DStaticPowerResourceD::DStaticPowerResourceD"));
sl@0: 	iResourceId |= KIdMaskStaticWithDependencies;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:     @publishedPartner
sl@0:     @prototype 9.5
sl@0:     Constructor for dynamic resource
sl@0:     This sets the passed resource name and default level and also sets the corresponding bit to identify 
sl@0: 	that it is dynamic resource with no dependencies.
sl@0:     @param aName The name for the resource to be set.
sl@0: 	@param aDefaultLevel Default level of the resource. 
sl@0:     */
sl@0: EXPORT_C DDynamicPowerResource::DDynamicPowerResource(const TDesC8& aName, TInt aDefaultLevel) : 
sl@0: 	                                                       DStaticPowerResource(aName, aDefaultLevel)
sl@0: 	{
sl@0: 	//Set the corresponding to identify that it is dynamic resource with no dependencies
sl@0: 	__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamicPowerResource::DDynamicPowerResource"));
sl@0: 	iResourceId |= KIdMaskDynamic;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:     @publishedPartner
sl@0:     @prototype 9.5
sl@0:     Destructor for dynamic resource
sl@0: 	Panics if the resource is still registered with PRM.
sl@0:     */
sl@0: EXPORT_C DDynamicPowerResource::~DDynamicPowerResource()
sl@0: 	{
sl@0: 	__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamocPowerResource::~DDynamicPowerResource"));
sl@0: 	if(LockCount()) //Lock count is expected to be 0
sl@0: 		DPowerResourceController::Panic(DPowerResourceController::EDynamicResourceStillRegistered);	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:     @publishedPartner
sl@0:     @prototype 9.5
sl@0:     Constructor for dynamic resource with dependencies
sl@0:     This sets the passed resource name and default level and also sets the corresponding bit to identify 
sl@0: 	that it is dynamic resource with dependencies.
sl@0:     @param aName The name for the resource to be set.
sl@0: 	@param aDefaultLevel Default level of the resource. 
sl@0:     */
sl@0: EXPORT_C DDynamicPowerResourceD::DDynamicPowerResourceD(const TDesC8& aName, TInt aDefaultLevel) : 
sl@0: 	                                                   DDynamicPowerResource(aName, aDefaultLevel)
sl@0: 	{
sl@0: 	//Set the corresponding to identify that it is dynamic resource with no dependencies
sl@0: 	__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamicPowerResourceD::DDynamicPowerResourceD"));
sl@0: 	iResourceId |= KIdMaskDynamicWithDependencies;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:     @publishedPartner
sl@0:     @prototype 9.5
sl@0:     Destructor for dynamic resource with dependencies
sl@0: 	Panics if the resource is still registered with PRM.
sl@0:     */
sl@0: EXPORT_C DDynamicPowerResourceD::~DDynamicPowerResourceD()
sl@0: 	{
sl@0: 	__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamocPowerResource::~DDynamicPowerResource"));
sl@0: 	if(LockCount()) //Lock count is expected to be 0
sl@0: 		DPowerResourceController::Panic(DPowerResourceController::EDynamicResourceStillRegistered);	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:     @internalComponent
sl@0:     @prototype 9.5
sl@0:     This function is called in response to PowerResourceManager::ControlIO(..) with 
sl@0: 	KResManControlIoDeregisterDynamicResource and returns ETrue if this resource has a 
sl@0: 	'client level' from another client in its 'client level' list.
sl@0:     */
sl@0: TBool DDynamicPowerResource::InUse()
sl@0: 	{
sl@0: 	SPowerResourceClientLevel* pRCL = NULL;
sl@0: 	for(SDblQueLink* pRC = iClientList.First(); pRC != &iClientList.iA; pRC = pRC->iNext)
sl@0: 		{
sl@0: 		pRCL = (SPowerResourceClientLevel*)pRC;
sl@0: 		if(pRCL->iClientId != iOwnerId)
sl@0: 			return ETrue;
sl@0: 		}
sl@0: 	return EFalse;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:     @publishedPartner
sl@0:     @prototype 9.5
sl@0:     This function is used to establish the resource's dependency list for static resource and 
sl@0: 	will be used by PSL to establish dependency between static resources.
sl@0: 	Panics, if the passed priority is already in use
sl@0:     */
sl@0: TInt DStaticPowerResourceD::AddNode(SNode* aNode)
sl@0: 	{
sl@0: 	ADD_DEPENDENCY_NODE(aNode, iDependencyList)
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: 	@publishedPartner
sl@0: 	@prototype 9.5
sl@0: 	This function takes care of resource state change of dynamic dependency resource.
sl@0: 	This propagates the change to all of its dependents.
sl@0: 	*/
sl@0: EXPORT_C TInt DDynamicPowerResourceD::HandleChangePropagation(TPowerRequest aRequest, TPropagation aProp, TUint aOriginatorId, const TDesC8& aOriginatorName)
sl@0: 	{
sl@0: 	TInt result = KErrNone;
sl@0: 	static DPowerResourceController* pRC = TInterface::GetPowerResourceController();
sl@0: 	result = pRC->HandleResourceChange(aRequest, aProp, aOriginatorId, aOriginatorName, (DStaticPowerResourceD*)this);
sl@0: 	return result;
sl@0: 	}
sl@0: