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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32\drivers\resourceman\resource_extend.cpp
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//
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//
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#include <drivers/resourcecontrol.h>
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/**
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@publishedPartner
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@prototype 9.5
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Constructor for static resource with dependency
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This sets the passed resource name and default level.
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This also sets the corresponding bit to identify that it is static resource with dependencies.
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@param aName The name for the resource to be set.
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@param aDefaultLevel Default level of the resource.
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*/
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DStaticPowerResourceD::DStaticPowerResourceD(const TDesC8& aName, TInt aDefaultLevel) :
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DStaticPowerResource(aName, aDefaultLevel)
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{
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__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DStaticPowerResourceD::DStaticPowerResourceD"));
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iResourceId |= KIdMaskStaticWithDependencies;
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}
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/**
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@publishedPartner
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@prototype 9.5
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Constructor for dynamic resource
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This sets the passed resource name and default level and also sets the corresponding bit to identify
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that it is dynamic resource with no dependencies.
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@param aName The name for the resource to be set.
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@param aDefaultLevel Default level of the resource.
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*/
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EXPORT_C DDynamicPowerResource::DDynamicPowerResource(const TDesC8& aName, TInt aDefaultLevel) :
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DStaticPowerResource(aName, aDefaultLevel)
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{
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//Set the corresponding to identify that it is dynamic resource with no dependencies
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__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamicPowerResource::DDynamicPowerResource"));
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iResourceId |= KIdMaskDynamic;
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}
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/**
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@publishedPartner
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@prototype 9.5
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Destructor for dynamic resource
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Panics if the resource is still registered with PRM.
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*/
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EXPORT_C DDynamicPowerResource::~DDynamicPowerResource()
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{
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__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamocPowerResource::~DDynamicPowerResource"));
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if(LockCount()) //Lock count is expected to be 0
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DPowerResourceController::Panic(DPowerResourceController::EDynamicResourceStillRegistered);
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}
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/**
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@publishedPartner
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@prototype 9.5
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Constructor for dynamic resource with dependencies
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This sets the passed resource name and default level and also sets the corresponding bit to identify
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that it is dynamic resource with dependencies.
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@param aName The name for the resource to be set.
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@param aDefaultLevel Default level of the resource.
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*/
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EXPORT_C DDynamicPowerResourceD::DDynamicPowerResourceD(const TDesC8& aName, TInt aDefaultLevel) :
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DDynamicPowerResource(aName, aDefaultLevel)
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{
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//Set the corresponding to identify that it is dynamic resource with no dependencies
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__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamicPowerResourceD::DDynamicPowerResourceD"));
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iResourceId |= KIdMaskDynamicWithDependencies;
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}
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/**
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@publishedPartner
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@prototype 9.5
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Destructor for dynamic resource with dependencies
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Panics if the resource is still registered with PRM.
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*/
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EXPORT_C DDynamicPowerResourceD::~DDynamicPowerResourceD()
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{
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__KTRACE_OPT(KRESMANAGER, Kern::Printf(">DDynamocPowerResource::~DDynamicPowerResource"));
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if(LockCount()) //Lock count is expected to be 0
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DPowerResourceController::Panic(DPowerResourceController::EDynamicResourceStillRegistered);
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}
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/**
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@internalComponent
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@prototype 9.5
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This function is called in response to PowerResourceManager::ControlIO(..) with
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KResManControlIoDeregisterDynamicResource and returns ETrue if this resource has a
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'client level' from another client in its 'client level' list.
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*/
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TBool DDynamicPowerResource::InUse()
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{
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SPowerResourceClientLevel* pRCL = NULL;
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for(SDblQueLink* pRC = iClientList.First(); pRC != &iClientList.iA; pRC = pRC->iNext)
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{
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pRCL = (SPowerResourceClientLevel*)pRC;
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if(pRCL->iClientId != iOwnerId)
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return ETrue;
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}
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return EFalse;
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}
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/**
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@publishedPartner
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@prototype 9.5
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This function is used to establish the resource's dependency list for static resource and
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will be used by PSL to establish dependency between static resources.
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Panics, if the passed priority is already in use
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*/
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TInt DStaticPowerResourceD::AddNode(SNode* aNode)
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{
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ADD_DEPENDENCY_NODE(aNode, iDependencyList)
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return KErrNone;
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}
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/**
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@publishedPartner
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@prototype 9.5
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This function takes care of resource state change of dynamic dependency resource.
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This propagates the change to all of its dependents.
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*/
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EXPORT_C TInt DDynamicPowerResourceD::HandleChangePropagation(TPowerRequest aRequest, TPropagation aProp, TUint aOriginatorId, const TDesC8& aOriginatorName)
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{
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static TUint16 clientLevelCount = 0;
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DDynamicPowerResourceD* pDR = (DDynamicPowerResourceD*)aRequest.Resource();
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TInt result = KErrNone;
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TInt resState = 0;
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TPowerRequest depRequest;
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depRequest.ReqType() = TPowerRequest::EChange;
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depRequest.ResourceCb() = NULL;
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depRequest.ReturnCode() = KErrNone;
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depRequest.RequiresChange() = EFalse;
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static DPowerResourceController* pRC = TInterface::GetPowerResourceController();
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DDynamicPowerResourceD* pDepRes = NULL;
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TBool traceEnabled = EFalse;
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#ifdef PRM_INSTRUMENTATION_MACRO
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traceEnabled = ETrue;
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#endif
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HANDLE_CHANGE_PROPAGATION(pRC, DDynamicPowerResourceD*, traceEnabled, aOriginatorId, aOriginatorName)
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}
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