resourcemgmt/hwresourcesmgr/common/src/hwrmuipluginresolver.cpp
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resourcemgmt/hwresourcesmgr/common/src/hwrmuipluginresolver.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,149 @@
+// Copyright (c) 2006-2009 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:
+// trpdispatchresolver.cpp
+// Implementation of class CHwrmUiPluginResolver. It encapsulates the logic to select which TRP ECOM plugin to load.
+// 
+//
+
+/**
+ @file
+*/
+
+#include "hwrmuipluginresolver.h"
+#include <ecom/ecom.h>
+#include <utf.h>
+#include "inifile.h"
+#include "HWRMtrace.h"
+
+_LIT(KTestFile,"testuiplugins.ini");
+
+/**
+Factory function. Leaves instantiated object on cleanup stack.
+*/
+EXPORT_C CHwrmUiPluginResolver* CHwrmUiPluginResolver::NewLC()
+	{
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::NewLC"));
+	CHwrmUiPluginResolver* self = new (ELeave) CHwrmUiPluginResolver();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::NewLC - return"));
+	return self;
+	}
+
+/**
+Factory function.
+*/
+EXPORT_C CHwrmUiPluginResolver* CHwrmUiPluginResolver::NewL()
+	{
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::NewL"));
+	CHwrmUiPluginResolver* self = NewLC();
+	CleanupStack::Pop(self);
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::NewL - return"));
+	return self;
+	}
+
+/**
+First-phase constructor.
+*/
+CHwrmUiPluginResolver::CHwrmUiPluginResolver()
+	{
+	}
+
+/**
+Second-phase constructor.
+*/		
+void CHwrmUiPluginResolver::ConstructL()
+	{
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::ConstructL"));
+	User::LeaveIfError(iFs.Connect());
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::ConstructL - return"));
+	}
+
+/**
+Destructor.
+*/	
+EXPORT_C CHwrmUiPluginResolver::~CHwrmUiPluginResolver()
+	{
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::~CHwrmUiPluginResolver"));
+	
+	iFs.Close();
+	
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::~CHwrmUiPluginResolver - return"));
+	}
+
+EXPORT_C TInt CHwrmUiPluginResolver::GetDesiredPluginL(TUid& aImplUid)
+	{
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::GetDesiredPlugin"));
+	TFileName fullFilePath;
+	GetTestFilePath(fullFilePath);
+	
+	if (IsTestFilePresent(fullFilePath) == EFalse)
+		{
+		return KErrNotFound;
+		}
+
+	CIniFile* iniFile = NULL;
+	TRAPD(err, iniFile = CIniFile::NewL(KTestFile,fullFilePath));
+	if (err != KErrNone)
+		{
+		return KErrNotFound;
+		}
+
+	TFileName exeFileName = RProcess().FileName();
+	TParsePtrC parser(exeFileName);
+	exeFileName = parser.Name();
+		
+	COMPONENT_TRACE4(_L("Searching for %S in config file in %S%S"),&exeFileName,&fullFilePath,&KTestFile);
+		
+	TPtrC16 dataPtr;
+	_LIT(KUiPluginSection,"Plugin");
+	TBool found = iniFile->FindVar(KUiPluginSection,exeFileName,dataPtr);
+	if (found)
+		{
+		TLex lex(dataPtr);
+		TInt uidInt;
+		lex.Val(uidInt);
+		aImplUid = TUid::Uid(uidInt);
+		}
+
+	delete iniFile;
+	
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::GetDesiredPluginDataL - return"));
+	return found ? KErrNone : KErrNotFound;
+	}
+
+void CHwrmUiPluginResolver::GetTestFilePath(TDes& aFilePath)
+	{
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::GetTestFilePath"));
+	_LIT(KTestDataPath,"z:\\testdata\\");
+	aFilePath.Copy(KTestDataPath);
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::GetTestFilePath - present"));
+	}
+
+/**
+Checks for the presence of the file that indicates that this is a test run.
+
+@return ETrue if test file present. EFalse otherwise.
+*/	
+TBool CHwrmUiPluginResolver::IsTestFilePresent(const TDesC& aFilePath)
+	{
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::IsTestFilePresent"));
+	COMPONENT_TRACE2(_L("Searching for test file in %S"),&aFilePath);
+
+	TFindFile finder(iFs);	
+	TInt err = finder.FindByPath(KTestFile,&aFilePath);
+	
+	COMPONENT_TRACE1(_L("CHwrmUiPluginResolver::IsTestFilePresent - return"));
+	return (err == KErrNone);	
+	}