MBackupObserver Class Reference

class MBackupObserver

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

Public Member Functions
voidChangeFileLockL(const TDesC &, TFileLockFlags)
Public Member Enumerations
enumTFileLockFlags { ETakeLock = 0, EReleaseLockReadOnly = 0x01, EReleaseLockNoAccess = 0x02 }

Member Functions Documentation

ChangeFileLockL(const TDesC &, TFileLockFlags)

voidChangeFileLockL(const TDesC &aFileName,
TFileLockFlagsaFlags
)[pure virtual]

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

Parameters

const TDesC & aFileNameFilename of affected file
TFileLockFlags aFlagsFlag indicating how to change the file lock

Member Enumerations Documentation

Enum TFileLockFlags

Flags indicating how to change a file lock.

Enumerators

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.