src/kits/app/RosterPrivate.cpp

   1 /*
   2  * Copyright 2001-2015, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Ingo Weinhold (bonefish@users.sf.net)
   7  */
   8
   9
  10 //! Access class for BRoster members
  11
  12
  13 #include <RosterPrivate.h>
  14
  15 #include <Roster.h>
  16
  17 #include <locks.h>
  18
  19
  20 /*!     \class BRoster::Private
  21         \brief Class used to access private BRoster members.
  22
  23         This way, the only friend BRoster needs is this class.
  24 */
  25
  26
  27 /*!     \brief Initializes the roster.
  28
  29         \param mainMessenger A BMessenger targeting the registrar application.
  30         \param mimeMessenger A BMessenger targeting the MIME manager.
  31 */
  32 void
  33 BRoster::Private::SetTo(BMessenger mainMessenger, BMessenger mimeMessenger)
  34 {
  35         if (fRoster != NULL) {
  36                 fRoster->fMessenger = mainMessenger;
  37                 fRoster->fMimeMessenger = mimeMessenger;
  38                 fRoster->fMimeMessengerInitOnce = INIT_ONCE_INITIALIZED;
  39         }
  40 }
  41
  42
  43 /*!     \brief Sends a message to the registrar.
  44
  45         \a mime specifies whether to send the message to the roster or to the
  46         MIME data base service.
  47         If \a reply is not \c NULL, the function waits for a reply.
  48
  49         \param message The message to be sent.
  50         \param reply A pointer to a pre-allocated BMessage into which the reply
  51                    message will be copied. May be \c NULL.
  52         \param mime \c true, if the message should be sent to the MIME data base
  53                    service, \c false for the roster.
  54         \return
  55         - \c B_OK: Everything went fine.
  56         - \c B_BAD_VALUE: \c NULL \a message.
  57         - \c B_NO_INIT: the roster is \c NULL.
  58         - another error code
  59 */
  60 status_t
  61 BRoster::Private::SendTo(BMessage *message, BMessage *reply, bool mime)
  62 {
  63         if (message == NULL)
  64                 return B_BAD_VALUE;
  65         if (fRoster == NULL)
  66                 return B_NO_INIT;
  67
  68         const BMessenger& messenger = mime
  69                 ? fRoster->_MimeMessenger() : fRoster->fMessenger;
  70         if (messenger.IsTargetLocal())
  71                 return B_BAD_VALUE;
  72
  73         return reply != NULL
  74                 ? messenger.SendMessage(message, reply)
  75                 : messenger.SendMessage(message);
  76 }
  77
  78
  79 /*!     \brief Returns whether the roster's messengers are valid.
  80
  81         \a mime specifies whether to check the roster messenger or the one of
  82         the MIME data base service.
  83
  84         \param mime \c true, if the MIME data base service messenger should be
  85                    checked, \c false for the roster messenger.
  86         \return \true, if the selected messenger is valid, \c false otherwise.
  87 */
  88 bool
  89 BRoster::Private::IsMessengerValid(bool mime) const
  90 {
  91         return fRoster != NULL && (mime ? fRoster->_MimeMessenger().IsValid()
  92                 : fRoster->fMessenger.IsValid());
  93 }
  94
  95
  96 /*!     \brief Initializes the global be_roster variable.
  97
  98         Called before the global constructors are invoked.
  99 */
 100 void
 101 BRoster::Private::InitBeRoster()
 102 {
 103         be_roster = new BRoster;
 104 }
 105
 106
 107 /*!     \brief Deletes the global be_roster.
 108
 109         Called after the global destructors are invoked.
 110 */
 111 void
 112 BRoster::Private::DeleteBeRoster()
 113 {
 114         delete be_roster;
 115 }