MBackupObserver Class Reference

#include <babackup.h>

class MBackupObserver

Public Member Enumerations
enum	TFileLockFlags { ETakeLock, EReleaseLockReadOnly, EReleaseLockNoAccess }

Public Member Functions
pure virtual void	ChangeFileLockL(const TDesC &, TFileLockFlags)

Detailed Description

Backup server wrapper observer interface.

MBackupObserver defines the interface to be implemented by any code that will hold file locks or may attempt to access files regardless of other device state e.g. a phone app may always attempt to access the contacts database for caller id

Member Enumeration Documentation

Enum TFileLockFlags

Flags indicating how to change a file lock.

Enumerator	Value	Description
ETakeLock	0	Owner can reopen/resume writing to the file.
EReleaseLockReadOnly	0x01	Owner should stop writing to the file.
EReleaseLockNoAccess	0x02	Owner should close the file.

Member Function Documentation

ChangeFileLockL ( const TDesC &, TFileLockFlags )

void	ChangeFileLockL	(	const TDesC &	aFileName,
			TFileLockFlags	aFlags
		)	[pure virtual]

Called by the server to request the file owner to change the lock on the specified file.

Parameter	Description
aFileName	Filename of affected file
aFlags	Flag indicating how to change the file lock