filemanager/GFLM/inc/CGflmDriveResolver.h
changeset 0 6a9f87576119
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/GFLM/inc/CGflmDriveResolver.h	Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,147 @@
+/*
+* Copyright (c) 2002-2007 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:  Resolves different media types' drive letters
+*
+*/
+
+
+#ifndef CGFLMDRIVERESOLVER_H
+#define CGFLMDRIVERESOLVER_H
+
+
+//  INCLUDES
+#include <f32file.h>
+#include "GFLM.hrh"
+
+// CONSTANTS
+const TInt KGflmReadBufferLen = 256;
+
+// FORWARD DECLARATIONS
+class CGflmDriveItem;
+class MGflmItemFilter;
+
+
+// CLASS DECLARATION
+/**
+*  Resolves different media types' drive letters
+*
+*  @lib GFLM.lib
+*  @since 2.0
+*/
+NONSHARABLE_CLASS(CGflmDriveResolver) : public CBase
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CGflmDriveResolver* NewL( RFs& aFs );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CGflmDriveResolver();
+
+    public: // New functions
+        /**
+        * Refreshes drive information
+        * @param aFs Reference to file system handle
+        * @param aFilter Pointer to filter
+        * @return System wide error code.
+        * @since 3.2
+        */
+        TInt RefreshDrives( MGflmItemFilter* aFilter );
+
+        /**
+        * Gets number of drives
+        * @since 3.1
+        * @return A number of drives
+        */
+        TInt DriveCount() const;
+
+        /**
+        * Gets drive item at position
+        * @since 3.1
+        * @param aIndex Given position
+        * @return A pointer to drive item (not owned).
+        */
+        CGflmDriveItem* DriveAt( const TInt aIndex ) const;
+
+        /**
+        * Gets drive item from given path
+        * @since 3.1
+        * @param aPath Given path
+        * @return A pointer to drive item (not owned)
+        *         or NULL if drive not found.
+        */
+        CGflmDriveItem* DriveFromPath( const TDesC& aPath ) const;
+
+        /**
+        * Clears drive information
+        * @since 3.1
+        */
+        void ClearDrives();
+
+		/**
+        * Checks if path is drive root path
+        * @since 3.1
+        */
+        TBool IsRootPath( const TDesC& aPath ) const;
+
+		/**
+        * Checks if path is on remote drive
+        * @since 3.1
+        */
+        TBool IsRemoteDrive( const TDesC& aPath ) const;
+
+        /**
+        * Gets drive item from given id
+        * @since 3.2
+        * @param aDrive Given drive id
+        * @return A pointer to drive item (not owned)
+        *         or NULL if drive not found.
+        */
+        CGflmDriveItem* DriveFromId( const TInt aDrive ) const;
+
+     private:
+
+        /**
+        * C++ default constructor.
+        */
+        CGflmDriveResolver( RFs& aFs );
+
+        void ConstructL();
+
+        void AppendDriveL(
+            const TInt aDrive, MGflmItemFilter* aFilter );
+
+        void RefreshDrivesL( MGflmItemFilter* aFilter );
+
+    private:    // Data
+        // Shareable file server session.
+        RFs& iFs;
+
+        // List of drives. Owned.
+        RPointerArray< CGflmDriveItem > iDrives;
+
+        TBool iRefreshed;
+
+        RCriticalSection iCs;
+
+        TBuf< KGflmReadBufferLen > iReadBuffer;
+    };
+
+#endif      // CGFLMDRIVERESOLVER_H
+
+// End of File