sysstatemgmt/systemstatemgr/cmd/src/cmdpersisthalattributes.cpp
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstatemgr/cmd/src/cmdpersisthalattributes.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,246 @@
+// 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 <bautils.h>
+
+#include "cmdpersisthalattributes.h"
+#include "ssmdebug.h"
+#include "ssmpanic.h"
+#include "ssmcommandparameters.h"
+
+/**
+Used to create an instance of CCmdPersistHalAttributes 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 CCmdPersistHalAttributes.
+*/
+CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewL(RReadStream& aReadStream)
+	{
+	CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes();
+	CleanupStack::PushL(self);
+	self->InternalizeL(aReadStream);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/**
+Used to create an instance of CCmdPersistHalAttributes class from given parameters.
+This method is used by SsmCommandFactory to create a command.
+
+@param aSeverity The severity of the command
+@return	A pointer to an object of type CCmdPersistHalAttributes.
+*/
+CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewL(TCmdErrorSeverity aSeverity)
+	{
+	CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes(aSeverity);
+	return self;
+	}
+
+/**
+Used to create an instance of CCmdPersistHalAttributes class from resource.
+
+@param aCommandParameters Object data from a resource file
+@return	A pointer to an object of type CCmdPersistHalAttributes.
+*/
+CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewL(TSsmCommandParameters& aCommandParameters)
+	{
+	CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes();
+	CleanupStack::PushL(self);
+	self->ConstructL(aCommandParameters);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/**
+Used to create an instance of CCmdPersistHalAttributes class from CCmdPersistHalAttributes object
+Must be used only by CLE
+@param aCmdPersistHalAttributes CCmdPersistHalAttributes reference 
+@return A pointer to an object of type CCmdPersistHalAttributes.
+*/
+CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewLC(const CCmdPersistHalAttributes& aCmdPersistHalAttributes)
+    {
+    CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes(aCmdPersistHalAttributes.Severity());
+    CleanupStack::PushL(self);
+    self->ConstructL(aCmdPersistHalAttributes);
+    return self;
+    }
+
+void CCmdPersistHalAttributes::ConstructL(const CCmdPersistHalAttributes& aCmdPersistHalAttributes)
+    {
+    iConditionalResourceId = aCmdPersistHalAttributes.ConditionalInformation();
+#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE
+	if (iConditionalResourceId != 0)
+        {
+        SetCommandResourceFileNameL(aCmdPersistHalAttributes.GetCommandResourceFileName());
+        } 
+#endif   
+    }
+
+/**
+Destructor
+*/	
+CCmdPersistHalAttributes::~CCmdPersistHalAttributes()
+	{
+	Cancel();
+	}
+
+/**
+Initialises the BIC's active object and initiates the command
+ 
+@param aStatus 	the TRequestStatus of the active object calling this BIC
+*/	
+void CCmdPersistHalAttributes::Execute( TRequestStatus& aStatus )
+	{
+	aStatus = KRequestPending;
+	iExecuteRequest = &aStatus;
+	CompleteRequest(iStatus, KErrNone);
+	SetActive();
+	}
+
+/**
+Releases resources associated with this BIC
+*/
+void CCmdPersistHalAttributes::Release()
+	{
+	delete this;
+	}
+
+/**
+Initiates a Cancel on the object. 
+*/
+void CCmdPersistHalAttributes::ExecuteCancel()
+	{
+	Cancel();
+	CompleteExecuteRequest(KErrCancel);
+	}
+
+/**
+Returns the Type of the BIC
+@return	The type of the BIC
+*/	
+TSsmCommandType CCmdPersistHalAttributes::Type() const
+	{
+	return (ESsmCmdPersistHalAttributes);
+	}
+
+/**
+Returns the Version of the BIC
+@return	The maximum supported version of the BIC
+*/	
+TInt CCmdPersistHalAttributes::MaxSupportedVersion()
+	{
+	return (static_cast<TInt>(ECmdPersistHalAttributesInitialVersion));
+	}
+
+/**
+Configures the BIC using data contained in a ReadStream
+ 
+@param aReadStream 	A read stream containing BIC data
+*/
+void CCmdPersistHalAttributes::InternalizeL(RReadStream& aReadStream)
+	{
+	iSeverity = static_cast<TCmdErrorSeverity>(aReadStream.ReadInt16L());
+	}
+
+/**
+Externalises the configuration of the BIC
+ 
+@param aWriteStream A write stream to write BIC data to
+*/
+void CCmdPersistHalAttributes::ExternalizeL(RWriteStream& aWriteStream) const
+	{
+	aWriteStream.WriteInt16L(iSeverity);
+	}
+
+/**
+Completes the tasks of the BIC
+*/
+void CCmdPersistHalAttributes::RunL()
+	{
+	// iStatus.Int() is always KErrNone as Execute() sets it to KErrNone
+	const TInt error = BaflUtils::PersistHAL();
+	
+	// These ASSERT_DEBUG statements are useful when the command is executed with 
+	// IgnoreFailure Severity. Any error is supressed with a panic in DEBUG builds
+	__ASSERT_DEBUG((KErrNone == error), PanicNow(KPanicCmdPersistHalAttributes, ECmdExecutionFailed));
+	
+	// If it fails in UREL builds, the error is just returned to CLE
+	CompleteExecuteRequest(error);
+	}
+
+/**
+Called to handle any cleanup if RunL leaves
+ 
+@param aError The error to finish with
+@return	KErrNone
+*/
+TInt CCmdPersistHalAttributes::RunError(TInt aError)
+	{
+	CompleteExecuteRequest(aError);
+	return KErrNone;
+	}
+
+/**
+Called during cancellation of the active BIC
+*/
+void CCmdPersistHalAttributes::DoCancel()
+	{
+	}
+
+/**
+Default constructor.
+*/
+CCmdPersistHalAttributes::CCmdPersistHalAttributes()
+	{
+	}
+
+/**
+Overloaded constructor
+
+@param aSeverity The severity of the command
+*/
+CCmdPersistHalAttributes::CCmdPersistHalAttributes(TCmdErrorSeverity aSeverity)
+	: CSsmCommandBase(aSeverity)
+	{
+	}
+
+/**
+Constructs the object through read stream.
+
+@param aReadStream A read stream containing BIC data
+*/
+void CCmdPersistHalAttributes::ConstructL(RReadStream& aReadStream)
+	{
+	InternalizeL(aReadStream);
+	}
+
+/**
+Constructs an object from resource file.
+
+@param aCommandParameters Object data from a resource file
+*/
+void CCmdPersistHalAttributes::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, CCmdPersistHalAttributes::MaxSupportedVersion()), KErrNotSupported);
+	iSeverity = static_cast<TCmdErrorSeverity>(reader.ReadInt16L());
+	}
+