serviceproviders/sapi_landmarks/landmarksservice/src/clandmarkoperation.cpp
changeset 37 5d0ec8b709be
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_landmarks/landmarksservice/src/clandmarkoperation.cpp	Thu Dec 17 09:09:50 2009 +0200
@@ -0,0 +1,239 @@
+/*
+* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  CLandmarkCmdGetLandmarks class
+ *
+*/
+#include <EPos_CPosLmOperation.h>
+#include <EPos_CPosLandmarkSearch.h>
+#include <EPos_CPosLandmarkDatabase.h>
+#include <EPos_CPosLandmarkEncoder.h>
+#include <EPos_CPosLandmarkParser.h>
+#include <f32file.h>
+#include "clandmarkoperation.h"
+#include "mlandmarkobserver.h"
+#include "clandmarkmanagehandlers.h"
+#include "clandmarkmanageobjects.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::NewL( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkOperation* CLandmarkOperation::NewL(
+		MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects)
+	{
+	CLandmarkOperation* self =
+			CLandmarkOperation::NewLC(aObserver, aManageObjects);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::NewLC( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkOperation* CLandmarkOperation::NewLC(
+		MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects)
+	{
+	CLandmarkOperation* self =
+			new (ELeave) CLandmarkOperation(aObserver,
+					aManageObjects);
+	CleanupStack::PushL(self);
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::CLandmarkOperation( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CLandmarkOperation::CLandmarkOperation(
+		MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects) :
+	CActive(EPriorityNormal), iObserver(aObserver), iManageObjects(
+			aManageObjects)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::~CLandmarkOperation()
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkOperation::~CLandmarkOperation()
+	{
+	Cancel();
+	delete iOperation;
+	delete iExportBuffer;
+	delete iEncoder;
+	delete iParser;
+	delete iDestinationFile;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::StartL( CLandmarkHandler* aHandle, TInt32 aTransactionId, CLandmarkFilter* aFilter )
+// Start asynchronous operation.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkOperation::LinkL(TInt32 aTransactionId,
+		TPosLmItemId aCategoryId, RArray<TPosLmItemId>& aLandmarkIdArray,
+		CPosLmCategoryManager* aCategoryManager)
+	{
+	iOperationType = EOrganise;
+	iTransactionId = aTransactionId;
+	iOperation = aCategoryManager->AddCategoryToLandmarksL(aCategoryId,
+			aLandmarkIdArray);
+	NextStep();
+	}
+
+void CLandmarkOperation::UnLinkL(TInt32 aTransactionId,
+		TPosLmItemId aCategoryId, RArray<TPosLmItemId>& aLandmarkIdArray,
+		CPosLmCategoryManager* aCategoryManager)
+	{
+	iOperationType = EOrganise;
+	iTransactionId = aTransactionId;
+	iOperation = aCategoryManager->RemoveCategoryFromLandmarksL(
+			aCategoryId, aLandmarkIdArray);
+	NextStep();
+	}
+
+void CLandmarkOperation::ImportL(TInt32 aTransactionId, CLandmarkHandler* aHandle, 
+			CPosLandmarkParser& aLandmarkParser)
+	{
+	iHandle = aHandle;
+	iOperationType = EImport;
+	iTransactionId = aTransactionId;
+	iParser = &aLandmarkParser;
+	CPosLandmarkDatabase* db = iHandle->LandmarkDatabaseHandle();
+	iOperation = db->ImportLandmarksL(aLandmarkParser,
+			CPosLandmarkDatabase::EDefaultOptions);
+	NextStep();
+	}
+
+void CLandmarkOperation::ExportL(TInt32 aTransactionId, CPosLandmarkDatabase* aDatabase, 
+			CPosLandmarkEncoder& aLandmarkEncoder,
+			const RArray<TPosLmItemId>& aLandmarkIdArray,
+			const TDesC& aDestinationFile)
+	{
+	iOperationType = EExport;
+	iTransactionId = aTransactionId;
+	iEncoder = &aLandmarkEncoder;
+	iDestinationFile= aDestinationFile.AllocL();
+	iExportBuffer = iEncoder->SetUseOutputBufferL();
+	iOperation = aDatabase->ExportLandmarksL(aLandmarkEncoder,aLandmarkIdArray,
+			CPosLandmarkDatabase::EIncludeCategories);
+	NextStep();
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::NextStep()
+// Execute the next step.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkOperation::NextStep()
+	{
+	iOperation->NextStep(iStatus, iProgress);
+	SetActive();
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::RunL()
+// Notify Observer on completion of the asynchronous call.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkOperation::RunL()
+	{
+	if (iStatus == KPosLmOperationNotComplete)
+		{
+		NextStep();
+		}
+	else
+		{
+		if( iOperationType == EImport)
+			{
+			CPosLmItemIterator* iterator=  NULL;
+			CPosLandmarkDatabase* db = iHandle->LandmarkDatabaseHandle ( );
+			iterator = db->ImportedLandmarksIteratorL(iOperation);
+			CleanupStack::PushL (iterator );
+			TRAP_IGNORE(iObserver->HandleLandmarkItemsL(iterator,iTransactionId,KErrNone,iHandle));
+			CleanupStack::Pop (iterator );
+			}
+		else if( iOperationType == EExport)
+			{
+			ExecuteAndDeleteLD (iEncoder->FinalizeEncodingL ( ) );
+			//Write to file			
+			RFs fs;
+			User::LeaveIfError(fs.Connect());
+			CleanupClosePushL(fs);
+			RFile file;
+			CleanupClosePushL(file);
+			User::LeaveIfError(file.Create(fs, *iDestinationFile, 
+					EFileShareExclusive | EFileStreamText | EFileWrite));
+			TInt size = iExportBuffer->Size();
+			for( TInt i = 0; i < size; ++i )
+				{
+				file.Write(i,iExportBuffer->Ptr(i));
+				}
+			CleanupStack::PopAndDestroy(&file);
+			CleanupStack::PopAndDestroy(&fs);
+			TRAP_IGNORE(iObserver->HandleItemsL(iTransactionId,iStatus.Int ( )));
+			}
+		else
+			{
+			TRAP_IGNORE(iObserver->HandleItemsL(iTransactionId,iStatus.Int ( )));
+			}
+		//set active garbage collector
+		if (!iManageObjects->IsActive())
+			{
+			iManageObjects->Start();
+			}
+		}
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkOperation::DoCancel()
+// Cancel asynchronous call.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkOperation::DoCancel()
+	{
+	if (iOperation)
+		{
+		delete iOperation;
+		iOperation = NULL;
+		}
+	}
+
+TInt CLandmarkOperation::RunError( TInt aError )
+	{
+	if( iOperationType == EImport)
+		{
+		TRAP_IGNORE(iObserver->HandleLandmarkItemsL(NULL,iTransactionId,aError,NULL));
+		}
+	else
+		{
+		TRAP_IGNORE(iObserver->HandleItemsL(iTransactionId,aError));
+		}
+	if ( !iManageObjects->IsActive() )
+		{
+		iManageObjects->Start ( );
+		}
+	return KErrNone;
+	}
+//end of file
+
+