sl@0: /*
sl@0: * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "TSTCLIPB.H"
sl@0: #include <s32file.h>
sl@0: 
sl@0: const TUid KClipboardFileUid={268435515};
sl@0: 
sl@0: 
sl@0: _LIT(KClipFilePath, "_:\\system\\clipbd\\main.sto");
sl@0: typedef TBuf<28> TClipboardFileName;
sl@0: 
sl@0: 
sl@0: /**
sl@0: Construct full path and name of clipbard file.
sl@0: @param aFileName On completion this will hold the result.
sl@0: */
sl@0: static void GetClipboardFileName(TClipboardFileName& aFileName)
sl@0: 	{
sl@0: 	aFileName.Copy(KClipFilePath);
sl@0: 	aFileName[0] = 'A' + static_cast<TInt>(RFs::GetSystemDrive());
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: EXPORT_C CClipboard* CClipboard::NewForReadingLC(RFs& aFsSession)
sl@0:     {
sl@0:     // get store filename
sl@0: 	TClipboardFileName clipboardFileName;
sl@0: 	GetClipboardFileName(clipboardFileName);
sl@0: 
sl@0: 	TEntry entry;
sl@0: 	User::LeaveIfError(aFsSession.Entry(clipboardFileName,entry));
sl@0: 	if (entry[0]!=KDirectFileStoreLayoutUid || entry[1]!=KClipboardFileUid)
sl@0: 		User::Leave(KErrCorrupt); // !! get a better error
sl@0: 	CClipboard* self=new(ELeave) CClipboard(aFsSession);
sl@0:     CleanupStack::PushL(self);
sl@0: 	self->ConstructForReadingL(clipboardFileName);
sl@0: 	return(self);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Construct a clipboard store for reading from.
sl@0: */
sl@0: void CClipboard::ConstructForReadingL(const TDesC& aFileName)
sl@0:     {
sl@0: 	iStore=CDirectFileStore::OpenL(iFsSession,aFileName,EFileRead);
sl@0: 	iStreamDictionary=CStreamDictionary::NewL();
sl@0: 	RStoreReadStream root;
sl@0: 	root.OpenLC(*iStore,iStore->Root());
sl@0: 	root>> *iStreamDictionary;
sl@0: 	CleanupStack::PopAndDestroy(); // root
sl@0: 	}
sl@0: 
sl@0: 
sl@0: EXPORT_C CClipboard* CClipboard::NewForWritingLC(RFs& aFsSession)
sl@0:     {
sl@0:     // get store filename
sl@0: 	TClipboardFileName clipboardFileName;
sl@0: 	GetClipboardFileName(clipboardFileName);
sl@0:     
sl@0: 	CClipboard* self=new(ELeave) CClipboard(aFsSession);
sl@0:     CleanupStack::PushL(self);
sl@0: 	self->ConstructForWritingL(clipboardFileName);
sl@0: 	return(self);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: Construct a clipboard store for writing to.
sl@0: */
sl@0: void CClipboard::ConstructForWritingL(const TDesC& aFileName)
sl@0:     {
sl@0: 	CreateDirectoryL(aFileName);
sl@0: 	iStore=CDirectFileStore::ReplaceL(iFsSession,aFileName,EFileRead|EFileWrite);
sl@0: 	iStore->SetTypeL(TUidType(KDirectFileStoreLayoutUid,KClipboardFileUid));
sl@0: 	iStreamDictionary=CStreamDictionary::NewL();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CClipboard::CClipboard(RFs& aFsSession)
sl@0: 	: iFsSession(aFsSession)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CClipboard::~CClipboard()
sl@0:     {
sl@0:    	delete(iStore);
sl@0: 	delete(iStreamDictionary);
sl@0:     }
sl@0: 
sl@0: 
sl@0: 
sl@0: void CClipboard::CreateDirectoryL(const TDesC& aFileName)
sl@0: 	{
sl@0: 	TParse parser;
sl@0: 	parser.Set(aFileName,NULL,NULL);
sl@0: 	TInt err=iFsSession.MkDirAll(parser.DriveAndPath());
sl@0: 	if (err!=KErrNone && err!=KErrAlreadyExists)
sl@0: 		User::Leave(err);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CClipboard::CommitL()
sl@0: 	{
sl@0: 	RStoreWriteStream stream;
sl@0: 	TStreamId streamId=stream.CreateLC(*iStore);
sl@0: 	stream<< *iStreamDictionary;
sl@0: 	stream.CommitL();
sl@0: 	CleanupStack::PopAndDestroy(); // dictionary stream
sl@0: 	iStore->SetRootL(streamId);
sl@0: 	iStore->CommitL();
sl@0: 	}