sysstatemgmt/systemstatemgr/cmd/src/cmdpublishswp.cpp
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstatemgr/cmd/src/cmdpublishswp.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,327 @@
+// Copyright (c) 2007-2009 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:
+//
+
+#include <s32strm.h>
+#include <barsread2.h>
+#include <e32property.h>
+
+#include "cmdpublishswp.h"
+#include "ssmdebug.h"
+#include "ssmpanic.h"
+#include "ssmcommandparameters.h"
+
+/**
+Used to create an instance of CCmdPublishSwp class from a read stream.
+CSsmCommandList::InternalizeL() uses this method to construct a command from stream.
+
+@param aReadStream Read stream containing data through which object can be created
+@return	A pointer to an object of type CCmdPublishSwp.
+*/
+CCmdPublishSwp* CCmdPublishSwp::NewL(RReadStream& aReadStream)
+	{
+	CCmdPublishSwp* self = new (ELeave) CCmdPublishSwp();
+	CleanupStack::PushL(self);
+	self->ConstructL(aReadStream);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+/**
+Used to create an instance of CCmdPublishSwp class from given parameters.
+This method is used by SsmCommandFactory to create a command.
+ 
+@param aSeverity The severity of the command
+@param aSwpInfo System wide property settings
+@param aPriority The priority of the command in the list
+@return	A pointer to an object of type CCmdPublishSwp
+*/
+CCmdPublishSwp* CCmdPublishSwp::NewL(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, const TSsmSwp& aSwpInfo, const TUint16 aPriority)
+	{
+	CCmdPublishSwp* self = new (ELeave) CCmdPublishSwp(aSeverity, aExecutionBehaviour, aSwpInfo, aPriority);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+#endif
+
+/**
+Used to create an instance of CCmdPublishSwp class from given parameters.
+This method is used by SsmCommandFactory to create a command.
+ 
+@param aSeverity The severity of the command
+@param aSwpInfo System wide property settings
+@return	A pointer to an object of type CCmdPublishSwp
+*/
+CCmdPublishSwp* CCmdPublishSwp::NewL(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, const TSsmSwp& aSwpInfo)
+	{
+	CCmdPublishSwp* self = new (ELeave) CCmdPublishSwp(aSeverity, aExecutionBehaviour, aSwpInfo);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+
+	}
+
+/**
+Used to create an instance of CCmdPublishSwp class from resource.
+
+@param aCommandParameters Object data from a resource file
+@return	A pointer to an object of type CCmdPublishSwp.
+*/	
+CCmdPublishSwp* CCmdPublishSwp::NewL(TSsmCommandParameters& aCommandParameters)
+	{
+	CCmdPublishSwp* self = new (ELeave) CCmdPublishSwp();
+	CleanupStack::PushL(self);
+	self->ConstructL(aCommandParameters);
+	CleanupStack::Pop(self);
+	return self;
+	}
+/**
+Used to create an instance of CCmdPublishSwp class from CCmdPublishSwp object
+Must be used only by CLE
+@param aCmdPublishSwp CCmdPublishSwp reference 
+@return A pointer to an object of type CCmdPublishSwp.
+*/
+CCmdPublishSwp* CCmdPublishSwp::NewLC(const CCmdPublishSwp& aCmdPublishSwp)
+    {
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+    CCmdPublishSwp* self = new (ELeave) CCmdPublishSwp(aCmdPublishSwp.Severity(),aCmdPublishSwp.ExecutionBehaviour(),
+                                                       aCmdPublishSwp.SsmSwpInfo(),aCmdPublishSwp.Priority());
+#else
+    CCmdPublishSwp* self = new (ELeave) CCmdPublishSwp(aCmdPublishSwp.Severity(),aCmdPublishSwp.ExecutionBehaviour(),
+                                                           aCmdPublishSwp.SsmSwpInfo());
+#endif
+    CleanupStack::PushL(self);
+    self->ConstructL(aCmdPublishSwp);
+    return self;
+    }
+
+void CCmdPublishSwp::ConstructL(const CCmdPublishSwp& aCmdPublishSwp)
+    {
+    iConditionalResourceId = aCmdPublishSwp.ConditionalInformation();
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+	if (iConditionalResourceId != 0)
+        {
+        SetCommandResourceFileNameL(aCmdPublishSwp.GetCommandResourceFileName());
+        } 
+#endif   
+    }
+
+/**
+Destructor
+*/	
+CCmdPublishSwp::~CCmdPublishSwp()
+	{
+	Cancel();
+	}
+
+/**
+Initialises the BIC's active object and initiates the command
+ 
+@param aStatus 	the TRequestStatus of the active object calling this BIC
+*/	
+void CCmdPublishSwp::Execute(TRequestStatus& aStatus)
+	{
+	aStatus = KRequestPending;
+	iExecuteRequest = &aStatus;
+
+	if (iExecutionBehaviour != ESsmWaitForSignal)
+		{
+		// complete the command request and initiate execution of next command
+		CompleteExecuteRequest(KErrNone);
+		}
+
+	CompleteRequest(iStatus, KErrNone);
+	SetActive();
+	}
+
+/**
+Releases resources associated with this BIC
+*/	
+void CCmdPublishSwp::Release()
+	{
+	delete this;
+	}
+
+/**
+Initiates a Cancel on the object. 
+*/	
+void CCmdPublishSwp::ExecuteCancel()
+	{
+	//cancel the outstanding request
+	Cancel();
+	//and complete the request with KErrCancel
+	CompleteDeferredExecuteRequest(KErrCancel);
+	}
+
+/**
+Returns the Type of the BIC
+ 
+@return					The Type of the BIC
+*/	
+TSsmCommandType CCmdPublishSwp::Type() const
+	{
+	return (ESsmCmdPublishSwp);
+	}
+
+/**
+Returns the Version of the BIC
+ 
+@return		The maximum supported version of the BIC
+*/	
+TInt CCmdPublishSwp::MaxSupportedVersion()
+	{
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+	return (static_cast<TInt>(ECmdPublishSwpVersionWithPriority));
+#else
+	return (static_cast<TInt>(ECmdPublishSwpInitialVersion));
+#endif
+	}
+
+/**
+Configures the BIC using data contained in a ReadStream
+ 
+@param aReadStream 	A read stream containing BIC data
+*/
+void CCmdPublishSwp::InternalizeL(RReadStream& aReadStream)
+	{
+	iSeverity = static_cast<TCmdErrorSeverity>(aReadStream.ReadInt16L());
+	iExecutionBehaviour = static_cast<TSsmExecutionBehaviour>(aReadStream.ReadUint8L());
+	const TUint key = aReadStream.ReadUint32L();
+	const TInt value = aReadStream.ReadInt32L();	
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+	iPriority = aReadStream.ReadUint16L();
+#endif
+	TSsmSwp swpInfo(key, value);
+	iSwpInfo = swpInfo;
+	}
+
+/**
+Externalises the configuration of the BIC
+ 
+@param aWriteStream A write stream to write BIC data to
+*/
+void CCmdPublishSwp::ExternalizeL(RWriteStream& aWriteStream) const
+	{
+	aWriteStream.WriteInt16L(iSeverity);
+	aWriteStream.WriteUint8L(iExecutionBehaviour);
+	aWriteStream.WriteUint32L(iSwpInfo.Key());
+	aWriteStream.WriteInt32L(iSwpInfo.Value());
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+	aWriteStream.WriteUint16L(iPriority);
+#endif
+	}
+
+/**
+Completes the tasks of the BIC
+*/
+void CCmdPublishSwp::RunL()
+	{
+	TInt err = RProperty::Set(RProcess().SecureId(), iSwpInfo.Key(), iSwpInfo.Value());
+	DEBUGPRINT4A("SWP %d set with value %d with error %d", iSwpInfo.Key(), iSwpInfo.Value(), err);
+	CompleteDeferredExecuteRequest(err);
+	}
+
+/**
+Called to handle any cleanup if RunL leaves
+ 
+@param aError 	The error to finish with
+@return			KErrNone
+*/
+TInt CCmdPublishSwp::RunError(TInt aError)
+	{
+	CompleteDeferredExecuteRequest(aError);
+	return KErrNone;
+	}
+
+/**
+Called during cancellation of the active BIC
+*/
+void CCmdPublishSwp::DoCancel()
+	{
+	}
+
+/**
+default constructor.
+*/
+CCmdPublishSwp::CCmdPublishSwp()
+	: iSwpInfo(0,0)
+	{
+	}
+
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+/**
+Overloaded constructor.
+@param aSeverity The severity of the command
+@param aSwpInfo System wide property settings
+@param aPriority The priority of the command in the list
+*/
+CCmdPublishSwp::CCmdPublishSwp(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, const TSsmSwp& aSwpInfo, const TUint16 aPriority)
+	: CSsmDeferrableCommand(aSeverity, aExecutionBehaviour, aPriority), iSwpInfo(aSwpInfo) 
+	{
+	}
+#endif
+
+/**
+Overloaded constructor.
+@param aSeverity The severity of the command
+@param aSwpInfo System wide property settings
+*/
+CCmdPublishSwp::CCmdPublishSwp(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, const TSsmSwp& aSwpInfo)
+	: CSsmDeferrableCommand(aSeverity, aExecutionBehaviour), iSwpInfo(aSwpInfo)
+	{
+	}
+
+/**
+Constructs an object from resource file.
+@param aCommandParameters Object data from a resource file
+*/
+void CCmdPublishSwp::ConstructL(TSsmCommandParameters& aCommandParameters)
+	{
+	RResourceReader& reader = aCommandParameters.MainReader();
+	const TSsmCommandType type = static_cast<TSsmCommandType>(reader.ReadInt16L());
+	SSMLOGLEAVEIFFALSE(type == Type(), KErrNotSupported);
+	const TInt version = reader.ReadInt16L();
+	SSMLOGLEAVEIFFALSE(__COMPARE_VERSION(version, CCmdPublishSwp::MaxSupportedVersion()), KErrNotSupported);
+	iSeverity = static_cast<TCmdErrorSeverity>(reader.ReadInt16L());
+	iExecutionBehaviour = static_cast<TSsmExecutionBehaviour>(reader.ReadUint8L());
+	iSwpInfo = aCommandParameters.SwpL();
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+	iPriority = (version > ECmdPublishSwpInitialVersion) ? reader.ReadUint16L() : KDefaultCommandPriority;
+#endif
+	ValidateL();
+	}
+
+/**
+Constructs the object through read stream.
+@param aReadStream A read stream containing BIC data
+*/
+void CCmdPublishSwp::ConstructL(RReadStream& aReadStream)
+	{
+	InternalizeL(aReadStream);
+	ValidateL();
+	}
+
+/**
+validates the data
+*/
+void CCmdPublishSwp::ConstructL()
+	{
+	ValidateL();
+	}
+
+