remotestoragefw/remotefileengine/inc/rsfwremoteaccess.h
changeset 13 6b4fc789785b
parent 2 c32dc0be5eb4
--- a/remotestoragefw/remotefileengine/inc/rsfwremoteaccess.h	Mon Jan 18 21:00:57 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,492 +0,0 @@
-/*
-* Copyright (c) 2003-2006 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:  Defines a class for accessing files via a file transport protocol
-*
-*/
-
-
-#ifndef CRSFWREMOTEACCESS_H
-#define CRSFWREMOTEACCESS_H
-
-// INCLUDES
-#include <e32base.h>
-#include <uri16.h>
-
-//FORWARD DECLARATIONS
-class CRsfwDirEntAttr;
-class CRsfwDirEnt;
-
-// CONSTANTS
-// 
-// UID of this interface
-const TUid KCRemoteAccessUid = {0x101F96E3};
-// Default quota and free space sizes
-const TInt KMountReportedSize         = 10000000;
-const TInt KMountReportedFreeSize     = 5000000;
-
-// Operation option flags
-const TUint KRemoteAccessOptionGetToStartOfFile = 0x01;
-
-// DATA TYPES
-// Event types for MRsfwRemoteAccessObserver
-enum TRsfwRemoteAccessObserverEvent
-    {
-    ERsfwRemoteAccessObserverEventConnection = 1
-    };
-
-// Connection events for MRsfwRemoteAccessObserver
-enum TRsfwRemoteAccessObserverEventConnection
-    {
-    ERsfwRemoteAccessObserverEventConnectionDisconnected = 0,
-    ERsfwRemoteAccessObserverEventConnectionWeaklyConnected,
-    ERsfwRemoteAccessObserverEventConnectionStronglyConnected
-    };
-
-// CONSTANTS
-const TInt KMaxMatchStringSize = 64;
-
-// CLASS DECLARATION
-/**
- *  Class for handling remote access events
- *
- *  @lib rsfwcommon.lib
- *  @since Series 60 3.1
- */
-class MRsfwRemoteAccessObserver
-    {
-public:
-    /**
-     * Handles an event emanating from a remote access module.
-     *
-     * @param aEventType type of the event
-     * @param aEvent event code
-     * @param aArg miscellaneous arguments
-     */
-    virtual void HandleRemoteAccessEventL(TInt aEventType,
-                                          TInt aEvent,
-                                          TAny* aArg) = 0;
-    };
-
-// CLASS DECLARATION
-/**
- *  Class for handling remote access operation responses.
- *
- *  @lib rsfwcommon.lib
- *  @since Series 60 3.1
- */
-class MRsfwRemoteAccessResponseHandler
-    {
-public:
-    /**
-     * Handles responses for requests to a remote access module.
-     *
-     * @param aId transaction id
-     * @param aStatus return status
-     */
-    virtual void HandleRemoteAccessResponse(TUint aId, TInt aStatus) = 0;
-    };
-
-
-// CLASS DECLARATION
-/**
- *  Class for accessing files via a file transport protocol, like WebDAV.
- *
- *  @lib rsfwcommon.lib
- *  @since Series 60 3.1
- *
- *  The derived classes are supposed to be registered and instantiated
- *  by using the the ECOM architecture.
- */
-class CRsfwRemoteAccess : public CBase
-    {
-public:
-    /**
-     * Two-phased constructor.
-     *
-     * @param aProtocol protocol name, like "http", "https", or "ftp"
-     * @return a pointer to an object instance that implements
-     *   this interface by using the given protocol.
-     */
-    IMPORT_C static CRsfwRemoteAccess* NewL(const TDesC8& aProtocol);
-    
-    IMPORT_C virtual ~CRsfwRemoteAccess();
-
-    /**
-     * Set up parameters for operation.
-     * @param aRsfwRemoteAccessObserver MRsfwRemoteAccessObserver for receiving
-     *  asynchronous events from the accessor plugin,
-     *  e.g. changes in connectivity.
-     *  This parameter may be NULL
-     */
-    virtual void SetupL(
-        MRsfwRemoteAccessObserver* aRsfwRemoteAccessObserver) = 0;
-
-    /**
-     * Opens a connection to the server given by aServerName parameter.
-     *
-     * @param aUri URI of the remote repository.
-     *   The URI must not contain authority part (user name/password)
-     * @param aFriendlyName friendly name for the server 
-     *                      (for possible access control dialog) (can be empty)
-     * @param aUserName user name for access control (can be empty)
-     * @param aPassword password for access control (can be empty)
-     * @param aAuxData auxiliary parameters for connection setup (eg IAP info)
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction 
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint OpenL(const TUriC& aUri,
-                        const TDesC& aFriendlyName,
-                        const TDesC& aUserName,
-                        const TDesC& aPassword,
-                        const TDesC& aAuxData,
-                        MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Gets contents of the directory given by aPathName parameter.
-     *
-     * @param aPathName path name of the directory
-     * @param aDirentsp an array of directory entries to be filled.
-     *   Any pre-existing CRsfwDirEnt items in the array are destroyed 
-     *   and the array is reset before filling it with pointers to 
-     *   new entries. Within the created CRsfwDirEntAttr objects, pointers 
-     *   to descriptors for meta-data items that are not available or 
-     *   that are irrelevant are set to NULL value.
-     *   The caller owns the array and thus also the entries.
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint GetDirectoryL(const TDesC& aPathName,
-                                RPointerArray<CRsfwDirEnt>& aDirEntsp,
-                                MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Gets attributes of the directory given by aPathName parameter.
-     * This function may also be called if the type of the object is
-     * not yet known (e.g., the object could be a file).
-     *
-     * @param aPathName path name of the directory
-     * @param aAttr A pointer to the attribute object to be filled. This 
-     *   attribute is set to point to a newly created CRsfwDirEntAttr 
-     *   object that will contain the directory attributes.
-     *   In the created attribute object, pointers to descriptors for 
-     *   meta-data items that are not available or that are irrelevant 
-     *   are set to NULL value. The ownership of the object is 
-     *   transferred to the caller. If the attributes cannot be defined, 
-     *   the pointer will be set to NULL.
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint GetDirectoryAttributesL(const TDesC& aPathName,
-                                          CRsfwDirEntAttr*& aAttr,
-                                          MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-    
-    /**
-     * Gets attributes of the file given by aPathName parameter.
-     *
-     * @param aPathName path name of the file
-     * @param aAttr A pointer to the attribute object to be filled. This 
-     *   attribute is set to point to a newly created CRsfwDirEntAttr 
-     *   object that will contain the file attributes.
-     *   In the created attribute object, pointers to descriptors for 
-     *   meta-data items that are not available or that are irrelevant 
-     *   are set to NULL value. The ownership of the object is 
-     *   transferred to the caller. If the attributes cannot be defined, 
-     *   the pointer will be set to NULL.
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint GetFileAttributesL(const TDesC& aPathName,
-                                     CRsfwDirEntAttr*& aAttr,
-                                     MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Sets attributes of the file or directory given by aPathName parameter.
-     * This function is typically only used for files and even then
-     * the implementation may do nothing since standard file attributes
-     * are implied by the contents of the file or set in conjunction with
-     * other operations on the file system object.
-     *
-     * @param aPathName path name of the file or directory
-     * @param aAttr attribute structure
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint SetAttributesL(const TDesC& aPathName,
-                                 CRsfwDirEntAttr& aAttr,
-                                 MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Gets a remote file and copies it to a local file.
-     * Note that byte ranges are not be implemented by all
-     * file access protocols. 
-     * A non-zero aLength means partial get.
-     * Caller can assume that either aLength remains intact 
-     * in which case byte range offset + aLength was fetched,
-     * or aLength is reset to the full length of the file, in which 
-     * case aOffset is meaningless.
-     *
-     * @param aRemotePathName path name of the remote file
-     * @param aLocalPathName path name of the local file
-     * @param aOffset offset of the first byte to be accessed
-     * @param aLength length of data to be accessed/was accessed
-     * (on entry NULL or zero value means fetching the whole file -
-     * on exit contains the length of fetched data, unless the pointer is NULL)
-     * @param aFlags operation qualifier.
-     *   The following flags have been defined:
-     *   KRemoteAccessOptionGetToStartOfFile: even if an offset is specified
-     *      the fetched data is still put at the beginning of the local file.
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint GetFileL(const TDesC& aRemotePathName,
-                           const TDesC& aLocalPathName,
-                           TInt aOffset,
-                           TInt* aLength,
-                           TUint aFlags,
-                           MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Puts a range of a file to the server.
-     * A non-zero aLength means partial file putting.
-     * The access protocol/server doesn't have to support partial file putting.
-     * In this case, it should return KErrNotSupported (if aLength is not zero)
-     *
-     * @param aLocalPathName path name of the local file
-     * @param aRemotePathName path name of the remote file
-     * @param MIME-type of the file
-     *   (will be put to Content-Type, e.g. text/plain or
-     *   application/octet-stream)
-     * @param aOffset offset of the first byte to be accessed
-     * @param aLength length of data to be accessed/was accessed (NULL/0=all)
-     * @param aTotalLength total length of the file, set to 0 if not known
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction 
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint PutFileL(const TDesC& aLocalPathName,
-                           const TDesC& aRemotePathName,
-                           const TDesC8& aMimeType,
-                           TInt aOffset,
-                           TInt aLength,
-                           TInt aTotalLength,
-                           MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Puts a file to the server.
-     *
-     * @param aLocalPathName path name of the local file
-     * @param aRemotePathName path name of the remote file
-     * @param MIME-type of the file (will be put to Content-Type,
-     *   e.g. text/plain or application/octet-stream)
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction 
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint PutFileL(const TDesC& aLocalPathName,
-                           const TDesC& aRemotePathName,
-                           const TDesC8& aMimeType,
-                           MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Creates an empty file on the remote server
-     *
-     * @param aPathName path name of the new file
-     * @param aResponseHandler response handler
-     * @param aOverWriting whether we are overwriting an existing file
-     *        Note that the semantics of this operation is such that it must
-     *        always overwrite an existing file. This boolean is for information.
-     *        If the protocol requires additional parameter to allow overwriting,
-     *        the parameter should be set if aOverWriting is TRUE.
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint CreateFileL(const TDesC& aPathName,
-                              TBool aOverWriting,
-                              MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Makes a directory.
-     *
-     * @param aPathName path name of the new directory
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint MakeDirectoryL(const TDesC& aPathName,
-                                 MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-
-    /**
-     * Deletes a directory.
-     *
-     * @param aPathName path name of the directory to be deleted
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-
-    virtual TUint DeleteDirectoryL(const TDesC& aPathName,
-                                   MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Deletes a file.
-     *
-     * @param aPathName path name of the file to be deleted
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint DeleteFileL(const TDesC& aPathName,
-                              MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-
-    /**
-     * Renames a file or a directory.
-     * (may involve movement to another directory).
-     *
-     * @param aSrcPathName path name of the object to be renamed
-     * @param aDstPathName new path name of the object
-     * @param aOverwrite allow overwriting an existing object
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint RenameL(const TDesC& aSrcPathName,
-                          const TDesC& aDstPathName,
-                          TBool aOverwrite,
-                          MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Obtains a lock for the given file system object
-     * Note that this function is not be implemented by all
-     * file access protocols (e.g. FTP), some protocols only
-     * implement write locking (e.g. WebDAV).
-     *
-     * @param aPathName path name of the object to be locked
-     * @param aLockFlags indicates whether a write or read lock is requested
-     * @param aTimeout the timeout that is requested and granted (in seconds)
-     * @param aLockToken acquired lock token - the caller gets ownership
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint ObtainLockL(const TDesC& aPathName,
-                              TUint aLockFlags,
-                              TUint& aTimeout,
-                              TDesC8*& aLockToken,
-                              MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Releases the lock of the given file system object
-     * Note that this function is not be implemented by all
-     * file access protocols (e.g. FTP).
-     *
-     * @param aPathName path name of the object to be locked
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint ReleaseLockL(const TDesC& aPathName,
-                               MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Refreshes the lock of the given file system object
-     * Note that this function is not be implemented by all
-     * file access protocols (e.g. FTP).
-     *
-     * @param aPathName path name of the object to be locked
-     * @param aTimeout the timeout that is requested and granted (in seconds)
-     * @param aResponseHandler response handler
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    virtual TUint RefreshLockL(const TDesC& aPathName,
-                               TUint& aTimeout,
-                               MRsfwRemoteAccessResponseHandler* aResponseHandler) = 0;
-
-    /**
-     * Cancels a transaction
-     * Eventually the HandleRemoteAccessResponseL will be called
-     * with status KErrCancel
-
-     * @param aId the identifier of the transaction to be canceled.
-     *   If aId is zero, all pending requests are cancelled.
-     */
-    virtual void Cancel(TUint aId) = 0;
-
-		 /**
-     * Cancels a transaction
-     * Eventually the HandleRemoteAccessResponseL will be called
-     * with status KErrCancel
-
-     * @param aTargetPath the path of the target file or directory for the 
-     * operation that shall be cancelled
-     * 
-     */
-    virtual void Cancel(TDesC& aTargetPath) = 0;
-
-
-    /**
-     * Sets lock token for the a given resource
-     * This lock token value replaces any previously cached token value
-     *
-     * @param aPathName path name
-     * @param aLockToken lock token
-     * @return error code
-     */
-    virtual TInt SetLockToken(const TDesC& aPathName,
-                              const TDesC8& aLockToken) = 0;
-                              
-     /**
-     * Gets quota and size.
-     *
-     * @param aQuota  The maximum size of the drive for this user in bytes,
-     * @param aSize  The amount of free space for this user on the disk in bytes.
-     * @return identifier of the created transaction
-     *		   (> 0 for async. operations, 0 if the operation is synchronous 
-     *		   (has been completed when the call returns)
-     */
-    IMPORT_C virtual TInt GetQuotaAndSizeL(TInt& aQuota, TInt& aSize);
-                     
-
-private:
-    // Unique instance identifier key
-    TUid iDtor_ID_Key;
-    };
-
-#endif // CRSFWREMOTEACCESS_H
-
-// End of File