src/preferences/printers/TransportMenu.cpp

   1 /*
   2  * Copyright 2002-2010, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer
   7  *              Philippe Houdoin
   8  */
   9 #include "TransportMenu.h"
  10
  11
  12 #include <Catalog.h>
  13 #include <MenuItem.h>
  14
  15
  16 #undef B_TRANSLATION_CONTEXT
  17 #define B_TRANSLATION_CONTEXT "TransportMenu"
  18
  19
  20 TransportMenu::TransportMenu(const char* title, uint32 what,
  21         const BMessenger& messenger, const BString& transportName)
  22         :
  23         BMenu(title),
  24         fWhat(what),
  25         fMessenger(messenger),
  26         fTransportName(transportName)
  27 {
  28 }
  29
  30
  31 bool
  32 TransportMenu::AddDynamicItem(add_state state)
  33 {
  34         if (state != B_INITIAL_ADD)
  35                 return false;
  36
  37         BMenuItem* item = RemoveItem((int32)0);
  38         while (item != NULL) {
  39                 delete item;
  40                 item = RemoveItem((int32)0);
  41         }
  42
  43         BMessage msg;
  44         msg.MakeEmpty();
  45         msg.what = B_GET_PROPERTY;
  46         msg.AddSpecifier("Ports");
  47         BMessage reply;
  48         if (fMessenger.SendMessage(&msg, &reply) != B_OK)
  49                 return false;
  50
  51         BString portId;
  52         BString portName;
  53         if (reply.FindString("port_id", &portId) != B_OK) {
  54                 // Show error message in submenu
  55                 BMessage* portMsg = new BMessage(fWhat);
  56                 AddItem(new BMenuItem(
  57                         B_TRANSLATE("No printer found!"), portMsg));
  58                 return false;
  59         }
  60
  61         // Add ports to submenu
  62         for (int32 i = 0; reply.FindString("port_id", i, &portId) == B_OK;
  63                 i++) {
  64                 if (reply.FindString("port_name", i, &portName) != B_OK
  65                         || !portName.Length())
  66                         portName = portId;
  67
  68                 // Create menu item in submenu for port
  69                 BMessage* portMsg = new BMessage(fWhat);
  70                 portMsg->AddString("name", fTransportName);
  71                 portMsg->AddString("path", portId);
  72                 AddItem(new BMenuItem(portName.String(), portMsg));
  73         }
  74
  75         return false;
  76 }