Pileus Git - ~andy/gtk/blob - modules/printbackends/papi/gtkprintbackendpapi.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkprintbackendpapi.c: Default implementation of GtkPrintBackend
   3  * for printing to papi
   4  * Copyright (C) 2003, Red Hat, Inc.
   5  * Copyright (C) 2009, Sun Microsystems, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 #include <unistd.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <fcntl.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <papi.h>
  30
  31 #include <config.h>
  32 #include <errno.h>
  33 #include <cairo.h>
  34 #include <cairo-ps.h>
  35
  36 #include <glib/gi18n-lib.h>
  37
  38 #include "gtk.h"
  39 #include "gtkprintbackendpapi.h"
  40 #include "gtkprinterpapi.h"
  41 #include "gtkprinter-private.h"
  42
  43 typedef struct _GtkPrintBackendPapiClass GtkPrintBackendPapiClass;
  44
  45 #define GTK_PRINT_BACKEND_PAPI_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND_PAPI, GtkPrintBackendPapiClass))
  46 #define GTK_IS_PRINT_BACKEND_PAPI_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND_PAPI))
  47 #define GTK_PRINT_BACKEND_PAPI_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND_PAPI, GtkPrintBackendPapiClass))
  48
  49 #define _PAPI_MAX_CHUNK_SIZE 8192
  50
  51 static GType print_backend_papi_type = 0;
  52
  53 struct _GtkPrintBackendPapiClass
  54 {
  55   GtkPrintBackendClass parent_class;
  56 };
  57
  58 struct _GtkPrintBackendPapi
  59 {
  60   GtkPrintBackend parent_instance;
  61
  62   char *default_printer;
  63 };
  64
  65 typedef struct {
  66   GtkPrinter *printer;
  67 } _PrinterStatus;
  68
  69 static GObjectClass *backend_parent_class;
  70
  71 static void                 gtk_print_backend_papi_class_init      (GtkPrintBackendPapiClass *class);
  72 static void                 gtk_print_backend_papi_init            (GtkPrintBackendPapi      *impl);
  73 static void                 gtk_print_backend_papi_finalize        (GObject                  *object);
  74 static void                 gtk_print_backend_papi_dispose         (GObject                  *object);
  75 static void                 papi_request_printer_list              (GtkPrintBackend          *print_backend);
  76 static gboolean             papi_get_printer_list                  (GtkPrintBackendPapi      *papi_backend);
  77 static void                 papi_printer_request_details           (GtkPrinter               *printer);
  78 static GtkPrintCapabilities papi_printer_get_capabilities          (GtkPrinter               *printer);
  79 static void                 papi_printer_get_settings_from_options (GtkPrinter               *printer,
  80                                                                    GtkPrinterOptionSet       *options,
  81                                                                    GtkPrintSettings          *settings);
  82 static GtkPrinterOptionSet *papi_printer_get_options               (GtkPrinter               *printer,
  83                                                                    GtkPrintSettings          *settings,
  84                                                                    GtkPageSetup              *page_setup,
  85                                                                    GtkPrintCapabilities       capabilities);
  86 static void                 papi_printer_prepare_for_print         (GtkPrinter               *printer,
  87                                                                    GtkPrintJob               *print_job,
  88                                                                    GtkPrintSettings          *settings,
  89                                                                    GtkPageSetup              *page_setup);
  90 static cairo_surface_t *    papi_printer_create_cairo_surface      (GtkPrinter               *printer,
  91                                                                    GtkPrintSettings          *settings,
  92                                                                    gdouble                   width,
  93                                                                    gdouble                   height,
  94                                                                    GIOChannel                *cache_io);
  95 static void                 gtk_print_backend_papi_print_stream    (GtkPrintBackend          *print_backend,
  96                                                                    GtkPrintJob               *job,
  97                                                                    GIOChannel                *data_io,
  98                                                                    GtkPrintJobCompleteFunc   callback,
  99                                                                    gpointer                  user_data,
 100                                                                    GDestroyNotify            dnotify);
 101
 102 static gboolean             papi_display_printer_status            (gpointer user_data);
 103 static void                 papi_display_printer_status_done       (gpointer user_data);
 104
 105 static void
 106 gtk_print_backend_papi_register_type (GTypeModule *module)
 107 {
 108   static const GTypeInfo print_backend_papi_info =
 109   {
 110     sizeof (GtkPrintBackendPapiClass),
 111     NULL,               /* base_init */
 112     NULL,               /* base_finalize */
 113     (GClassInitFunc) gtk_print_backend_papi_class_init,
 114     NULL,               /* class_finalize */
 115     NULL,               /* class_data */
 116     sizeof (GtkPrintBackendPapi),
 117     0,          /* n_preallocs */
 118     (GInstanceInitFunc) gtk_print_backend_papi_init,
 119   };
 120
 121   print_backend_papi_type = g_type_module_register_type (module,
 122                                                         GTK_TYPE_PRINT_BACKEND,
 123                                                         "GtkPrintBackendPapi",
 124                                                         &print_backend_papi_info, 0);
 125 }
 126
 127 G_MODULE_EXPORT void
 128 pb_module_init (GTypeModule *module)
 129 {
 130   gtk_print_backend_papi_register_type (module);
 131   gtk_printer_papi_register_type (module);
 132 }
 133
 134 G_MODULE_EXPORT void
 135 pb_module_exit (void)
 136 {
 137
 138 }
 139
 140 G_MODULE_EXPORT GtkPrintBackend *
 141 pb_module_create (void)
 142 {
 143   return gtk_print_backend_papi_new ();
 144 }
 145
 146 /*
 147  * GtkPrintBackendPapi
 148  */
 149 GType
 150 gtk_print_backend_papi_get_type (void)
 151 {
 152   return print_backend_papi_type;
 153 }
 154
 155 /**
 156  * gtk_print_backend_papi_new:
 157  *
 158  * Creates a new #GtkPrintBackendPapi object. #GtkPrintBackendPapi
 159  * implements the #GtkPrintBackend interface with direct access to
 160  * the filesystem using Unix/Linux API calls
 161  *
 162  * Return value: the new #GtkPrintBackendPapi object
 163  **/
 164 GtkPrintBackend *
 165 gtk_print_backend_papi_new (void)
 166 {
 167   return g_object_new (GTK_TYPE_PRINT_BACKEND_PAPI, NULL);
 168 }
 169
 170 static void
 171 gtk_print_backend_papi_class_init (GtkPrintBackendPapiClass *class)
 172 {
 173   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 174   GtkPrintBackendClass *backend_class = GTK_PRINT_BACKEND_CLASS (class);
 175
 176   backend_parent_class = g_type_class_peek_parent (class);
 177
 178   gobject_class->finalize = gtk_print_backend_papi_finalize;
 179   gobject_class->dispose = gtk_print_backend_papi_dispose;
 180
 181   backend_class->request_printer_list = papi_request_printer_list;
 182   backend_class->printer_request_details = papi_printer_request_details;
 183   backend_class->printer_get_capabilities = papi_printer_get_capabilities;
 184   backend_class->printer_get_options = papi_printer_get_options;
 185   backend_class->printer_get_settings_from_options = papi_printer_get_settings_from_options;
 186   backend_class->printer_prepare_for_print = papi_printer_prepare_for_print;
 187   backend_class->printer_create_cairo_surface = papi_printer_create_cairo_surface;
 188   backend_class->print_stream = gtk_print_backend_papi_print_stream;
 189 }
 190
 191 static cairo_status_t
 192 _cairo_write (void                *closure,
 193               const unsigned char *data,
 194               unsigned int         length)
 195 {
 196   GIOChannel *io = (GIOChannel *)closure;
 197   gsize written;
 198   GError *error = NULL;
 199
 200   GTK_NOTE (PRINTING,
 201             g_print ("PAPI Backend: Writting %i byte chunk to temp file\n", length));
 202
 203   while (length > 0)
 204     {
 205       g_io_channel_write_chars (io, (char *)data, length, &written, &error);
 206
 207       if (error != NULL)
 208         {
 209           GTK_NOTE (PRINTING,
 210                      g_print ("PAPI Backend: Error writting to temp file, %s\n", error->message));
 211
 212           g_error_free (error);
 213           return CAIRO_STATUS_WRITE_ERROR;
 214         }
 215
 216       GTK_NOTE (PRINTING,
 217                 g_print ("PAPI Backend: Wrote %i bytes to temp file\n", written));
 218
 219       data += written;
 220       length -= written;
 221     }
 222
 223   return CAIRO_STATUS_SUCCESS;
 224 }
 225
 226 static cairo_surface_t *
 227 papi_printer_create_cairo_surface (GtkPrinter       *printer,
 228                                   GtkPrintSettings *settings,
 229                                   gdouble           width,
 230                                   gdouble           height,
 231                                   GIOChannel       *cache_io)
 232 {
 233   cairo_surface_t *surface;
 234
 235   surface = cairo_ps_surface_create_for_stream (_cairo_write, cache_io, width, height);
 236
 237   /* TODO: DPI from settings object? */
 238   cairo_surface_set_fallback_resolution (surface, 300, 300);
 239
 240   return surface;
 241 }
 242
 243 typedef struct {
 244   GtkPrintBackend *backend;
 245   GtkPrintJobCompleteFunc callback;
 246   GtkPrintJob *job;
 247   gpointer user_data;
 248   GDestroyNotify dnotify;
 249
 250   papi_service_t service;
 251   papi_stream_t stream;
 252 } _PrintStreamData;
 253
 254 static void
 255 papi_print_cb (GtkPrintBackendPapi *print_backend,
 256               GError             *error,
 257               gpointer            user_data)
 258 {
 259   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 260
 261   if (ps->callback)
 262     ps->callback (ps->job, ps->user_data, error);
 263
 264   if (ps->dnotify)
 265     ps->dnotify (ps->user_data);
 266
 267   gtk_print_job_set_status (ps->job,
 268                             error ? GTK_PRINT_STATUS_FINISHED_ABORTED
 269                                   : GTK_PRINT_STATUS_FINISHED);
 270
 271   if (ps->job)
 272     g_object_unref (ps->job);
 273
 274   g_free (ps);
 275 }
 276
 277 static gboolean
 278 papi_write (GIOChannel   *source,
 279            GIOCondition  con,
 280            gpointer      user_data)
 281 {
 282   gchar buf[_PAPI_MAX_CHUNK_SIZE];
 283   gsize bytes_read;
 284   GError *error;
 285   GIOStatus status;
 286   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 287   papi_job_t job = NULL;
 288
 289   error = NULL;
 290   status = g_io_channel_read_chars (source,
 291                                     buf,
 292                                     _PAPI_MAX_CHUNK_SIZE,
 293                                     &bytes_read,
 294                                     &error);
 295
 296   /* Keep writing to PAPI input stream while there are data */
 297   if (status != G_IO_STATUS_ERROR)
 298   {
 299      papiJobStreamWrite (ps->service, ps->stream, buf, bytes_read);
 300   }
 301
 302   /* Finish reading input stream data. Closing the stream and handle to service */
 303   if (bytes_read == 0) {
 304      papiJobStreamClose (ps->service, ps->stream, &job);
 305      ps->stream = NULL;
 306      papiJobFree (job);
 307      papiServiceDestroy (ps->service);
 308      ps->service = NULL;
 309   }
 310
 311   if (error != NULL || status == G_IO_STATUS_EOF)
 312     {
 313       papi_print_cb (GTK_PRINT_BACKEND_PAPI (ps->backend),
 314                     error, user_data);
 315
 316       if (error)
 317         g_error_free (error);
 318
 319       if (error != NULL)
 320         {
 321           GTK_NOTE (PRINTING,
 322                     g_print ("PAPI Backend: %s\n", error->message));
 323
 324           g_error_free (error);
 325         }
 326
 327       return FALSE;
 328     }
 329
 330   GTK_NOTE (PRINTING,
 331             g_print ("PAPI Backend: Writting %i byte chunk to papi pipe\n", bytes_read));
 332
 333   return TRUE;
 334 }
 335
 336 static void
 337 gtk_print_backend_papi_print_stream (GtkPrintBackend        *print_backend,
 338                                     GtkPrintJob            *job,
 339                                     GIOChannel             *data_io,
 340                                     GtkPrintJobCompleteFunc callback,
 341                                     gpointer                user_data,
 342                                     GDestroyNotify          dnotify)
 343 {
 344   GError *print_error = NULL;
 345   GtkPrinterPapi *printer;
 346   _PrintStreamData *ps;
 347   GtkPrintSettings *settings;
 348   gint argc;
 349   gint in_fd;
 350   gchar **argv = NULL;
 351   const gchar *title;
 352   char *prtnm = NULL;
 353   GtkPrintDuplex val;
 354   papi_status_t pstatus = NULL;
 355   papi_attribute_t **attrs = NULL;
 356   papi_job_ticket_t *ticket = NULL;
 357
 358   printer = GTK_PRINTER_PAPI (gtk_print_job_get_printer (job));
 359   settings = gtk_print_job_get_settings (job);
 360
 361   /* FIXME - the title should be set as the job-name */
 362   title = gtk_print_job_get_title (job);
 363
 364   ps = g_new0 (_PrintStreamData, 1);
 365   ps->callback = callback;
 366   ps->user_data = user_data;
 367   ps->dnotify = dnotify;
 368   ps->job = g_object_ref (job);
 369   ps->service = NULL;
 370   ps->stream = NULL;
 371
 372    /* This cannot be queried yet with the current API */
 373   papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "document-format", "application/postscript");
 374   val =  gtk_print_settings_get_duplex (settings) ;
 375   if (val == GTK_PRINT_DUPLEX_HORIZONTAL)
 376     papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "Duplex", "DuplexNoTumble");
 377   else if (val == GTK_PRINT_DUPLEX_VERTICAL)
 378     papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "Duplex", "DuplexTumble");
 379
 380   if (job->num_copies > 1)
 381     {
 382       papiAttributeListAddInteger (&attrs, PAPI_ATTR_EXCL, "copies", job->num_copies);
 383     }
 384
 385   prtnm = strdup (gtk_printer_get_name (GTK_PRINTER(printer)));
 386
 387   if (papiServiceCreate (&(ps->service), prtnm, NULL, NULL, NULL,
 388                          PAPI_ENCRYPT_NEVER, NULL) != PAPI_OK)
 389     return;
 390
 391   pstatus = papiJobStreamOpen (ps->service, prtnm, attrs, ticket, &(ps->stream));
 392   if (pstatus != PAPI_OK)
 393     {
 394       papiServiceDestroy (ps->service);
 395       ps->service = NULL;
 396       return;
 397     }
 398
 399   /* Everything set up fine, so get ready to wait for input data stream */
 400   g_io_add_watch (data_io,
 401                   G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP,
 402                   (GIOFunc) papi_write,
 403                   ps);
 404 }
 405
 406
 407 static void
 408 _papi_set_default_printer (GtkPrintBackendPapi *backend)
 409 {
 410   char *def_printer = NULL;
 411   char *_default_attr[] = { "printer-name", NULL };
 412   papi_service_t service = NULL;
 413   papi_printer_t default_printer = NULL;
 414   papi_attribute_t **attrs = NULL;
 415
 416   if (papiServiceCreate (&service, NULL, NULL, NULL, NULL, PAPI_ENCRYPT_NEVER,
 417                           NULL) != PAPI_OK)
 418     return;
 419
 420   if (papiPrinterQuery (service, "_default", _default_attr, NULL,
 421                         &default_printer) == PAPI_OK)
 422     {
 423       if (default_printer != NULL)
 424         {
 425           attrs = papiPrinterGetAttributeList (default_printer);
 426
 427           if (attrs != NULL)
 428             if (papiAttributeListGetString (attrs, NULL, "printer-name",
 429                                             &def_printer) == PAPI_OK)
 430               {
 431                 backend->default_printer = strdup (def_printer);
 432               }
 433         }
 434     }
 435
 436   papiPrinterFree (default_printer);
 437   papiServiceDestroy (service);
 438 }
 439
 440 static void
 441 gtk_print_backend_papi_init (GtkPrintBackendPapi *backend)
 442 {
 443   _papi_set_default_printer (backend);
 444 }
 445
 446 static void
 447 gtk_print_backend_papi_finalize (GObject *object)
 448 {
 449   GtkPrintBackendPapi *backend_papi;
 450
 451   GTK_NOTE (PRINTING,
 452             g_print ("PAPI Backend: finalizing PAPI backend module\n"));
 453
 454   backend_papi = GTK_PRINT_BACKEND_PAPI (object);
 455
 456   g_free (backend_papi->default_printer);
 457   backend_papi->default_printer = NULL;
 458
 459   backend_parent_class->finalize (object);
 460 }
 461
 462
 463 static void
 464 gtk_print_backend_papi_dispose (GObject *object)
 465 {
 466   GtkPrintBackendPapi *backend_papi;
 467
 468   GTK_NOTE (PRINTING,
 469             g_print ("PAPI Backend: %s\n", G_STRFUNC));
 470
 471   backend_papi = GTK_PRINT_BACKEND_PAPI (object);
 472
 473   backend_parent_class->dispose (object);
 474 }
 475
 476 char **
 477 get_all_list(papi_service_t svc)
 478 {
 479         papi_status_t status;
 480         papi_printer_t printer = NULL;
 481         char *attr[] = { "member-names", NULL };
 482         char **names = NULL;
 483
 484         status = papiPrinterQuery(svc, "_all", attr, NULL, &printer);
 485         if ((status == PAPI_OK) && (printer != NULL)) {
 486                 papi_attribute_t **attributes =
 487                                         papiPrinterGetAttributeList(printer);
 488                 if (attributes != NULL) {
 489                         void *iter = NULL;
 490                         char *member = NULL;
 491
 492                         for (status = papiAttributeListGetString(attributes,
 493                                                 &iter, "member-names", &member);
 494                                 status == PAPI_OK;
 495                                 status = papiAttributeListGetString(attributes,
 496                                                 &iter, NULL, &member))
 497                                         list_append(&names, strdup(member));
 498                 }
 499                 papiPrinterFree(printer);
 500         }
 501
 502         return (names);
 503 }
 504
 505 static char **
 506 get_printers_list(papi_service_t svc)
 507 {
 508         papi_status_t status;
 509         papi_printer_t *printers = NULL;
 510         char *keys[] = { "printer-name", "printer-uri-supported", NULL };
 511         char **names = NULL;
 512
 513         status = papiPrintersList(svc, keys, NULL, &printers);
 514         if ((status == PAPI_OK) && (printers != NULL)) {
 515                 int i;
 516
 517                 for (i = 0; printers[i] != NULL; i++) {
 518                         papi_attribute_t **attributes =
 519                                 papiPrinterGetAttributeList(printers[i]);
 520                         char *name = NULL;
 521
 522                         (void) papiAttributeListGetString(attributes, NULL,
 523                                                         "printer-name", &name);
 524                         if ((name != NULL) && (strcmp(name, "_default") != 0))
 525                                 list_append(&names, strdup(name));
 526                 }
 527                 papiPrinterListFree(printers);
 528         }
 529
 530         return (names);
 531 }
 532
 533 static void
 534 papi_request_printer_list (GtkPrintBackend *backend)
 535 {
 536   GtkPrintBackendPapi *papi_backend;
 537
 538   papi_backend = GTK_PRINT_BACKEND_PAPI (backend);
 539
 540   /* Get the list of printers using papi API */
 541   papi_get_printer_list (papi_backend);
 542 }
 543
 544 static gboolean
 545 papi_get_printer_list (GtkPrintBackendPapi *papi_backend)
 546 {
 547   int i;
 548   const char *attributes[] =  /* Attributes we're interested in */
 549     {
 550       "printer-name",
 551       "printer-uri-supported",
 552       NULL
 553     };
 554   papi_status_t status, status2;
 555   papi_service_t service = NULL;
 556   char **printers = NULL;
 557   GtkPrinter *printer;
 558   GtkPrinterPapi *papi_printer;
 559   GList *current_printer_list;
 560   GtkPrintBackend *backend = GTK_PRINT_BACKEND (papi_backend);
 561
 562   if ((status = papiServiceCreate (&service, NULL, NULL, NULL, NULL,
 563                 PAPI_ENCRYPT_NEVER, NULL)) != PAPI_OK)
 564     return FALSE;
 565
 566   if ((printers = get_all_list (service)) == NULL)
 567     {
 568       printers = get_printers_list (service);
 569     }
 570
 571   if (printers == NULL)
 572     {
 573       papiServiceDestroy (service);
 574       return FALSE;
 575     }
 576
 577   for (i = 0; printers[i] != NULL; i++)
 578     {
 579       GtkPrinter *printer;
 580       char *name = NULL, *url = NULL;
 581       papi_attribute_t **attrs = NULL;
 582
 583           printer = gtk_print_backend_find_printer (backend, printers[i]);
 584
 585           if (!printer)
 586             {
 587               /* skip null printer name just in case */
 588               if (printers[i] == NULL)
 589                 continue;
 590
 591               /* skip the alias _default and _all printers */
 592               if (strcmp(printers[i], "_default")==0 || strcmp(printers[i], "_all")==0)
 593                 continue;
 594
 595               papi_printer = gtk_printer_papi_new (printers[i], backend);
 596               printer = GTK_PRINTER (papi_printer);
 597
 598               /* Only marked default printer to not have details so that
 599                  the request_details method will be called  at start up
 600                */
 601
 602               if (papi_backend->default_printer != NULL)
 603                 if (strcmp (printers[i], papi_backend->default_printer)==0)
 604                   {
 605                     gtk_printer_set_is_default (printer, TRUE);
 606                   }
 607
 608               gtk_printer_set_icon_name (printer, "gtk-print");
 609               gtk_print_backend_add_printer (backend, printer);
 610               gtk_printer_set_is_active (printer, TRUE);
 611
 612               /* gtk_printer_set_has_details (printer, TRUE); */
 613             }
 614           else
 615             g_object_ref (printer);
 616
 617       if (!gtk_printer_is_active (printer))
 618         {
 619           gtk_printer_set_is_active (printer, TRUE);
 620           gtk_printer_set_is_new (printer, TRUE);
 621         }
 622
 623       if (gtk_printer_is_new (printer))
 624         {
 625           g_signal_emit_by_name (backend, "printer-added", printer);
 626           gtk_printer_set_is_new (printer, FALSE);
 627         }
 628
 629       g_object_unref (printer);
 630     }
 631
 632   free (printers);
 633   papiServiceDestroy (service);
 634
 635   /* To set that the list of printers added is complete */
 636   gtk_print_backend_set_list_done (backend);
 637
 638   return TRUE;
 639 }
 640
 641 static void
 642 update_printer_status (GtkPrinter *printer)
 643 {
 644   GtkPrintBackend *backend;
 645   GtkPrinterPapi *papi_printer;
 646   gboolean status_changed = FALSE;
 647
 648   backend = gtk_printer_get_backend (printer);
 649   papi_printer = GTK_PRINTER_PAPI (printer);
 650
 651   /* if (status_changed) */
 652     g_signal_emit_by_name (GTK_PRINT_BACKEND (backend),
 653                            "printer-status-changed", printer);
 654
 655 }
 656
 657
 658 static GtkPrinterOptionSet *
 659 papi_printer_get_options (GtkPrinter           *printer,
 660                           GtkPrintSettings     *settings,
 661                           GtkPageSetup         *page_setup,
 662                           GtkPrintCapabilities  capabilities)
 663 {
 664   GtkPrinterOptionSet *set;
 665   GtkPrinterOption *option;
 666   int i;
 667   char *print_at[] = { "now", "on-hold" };
 668   char *n_up[] = {"1"};
 669
 670   /* Update the printer status before the printer options are displayed */
 671   update_printer_status (printer);
 672
 673   set = gtk_printer_option_set_new ();
 674
 675   /* non-ppd related settings */
 676
 677   /* This maps to number-up-supported in PAPI. FIXME
 678    * number-up-default is the default value.
 679    * number-up-supported is the list of number of able to print per page
 680    */
 681   option = gtk_printer_option_new ("gtk-n-up", "Pages Per Sheet", GTK_PRINTER_OPTION_TYPE_PICKONE);
 682   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
 683                                          n_up, n_up);
 684   gtk_printer_option_set (option, "1");
 685   gtk_printer_option_set_add (set, option);
 686   g_object_unref (option);
 687
 688   /* This maps to job-priority-supported and job-priority-default in PAPI - FIXME*/
 689
 690   /* This relates to job-sheets-supported in PAPI  FIXME*/
 691
 692   /* This relates to job-hold-until-supported in PAPI */
 693   option = gtk_printer_option_new ("gtk-print-time", "Print at", GTK_PRINTER_OPTION_TYPE_PICKONE);
 694   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (print_at),
 695                                          print_at, print_at);
 696   gtk_printer_option_set (option, "now");
 697   gtk_printer_option_set_add (set, option);
 698   g_object_unref (option);
 699
 700   return set;
 701 }
 702
 703 static void
 704 papi_printer_get_settings_from_options (GtkPrinter          *printer,
 705                                        GtkPrinterOptionSet *options,
 706                                        GtkPrintSettings    *settings)
 707 {
 708   GtkPrinterOption *option;
 709
 710   option = gtk_printer_option_set_lookup (options, "gtk-n-up");
 711   if (option)
 712      gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP, option->value);
 713
 714 }
 715
 716 static void
 717 papi_printer_prepare_for_print (GtkPrinter       *printer,
 718                                GtkPrintJob      *print_job,
 719                                GtkPrintSettings *settings,
 720                                GtkPageSetup     *page_setup)
 721 {
 722   GtkPageSet page_set;
 723   double scale;
 724   GtkPaperSize *papersize = NULL;
 725   char *ppd_paper_name;
 726
 727   print_job->print_pages = gtk_print_settings_get_print_pages (settings);
 728   print_job->page_ranges = NULL;
 729   print_job->num_page_ranges = 0;
 730
 731   if (print_job->print_pages == GTK_PRINT_PAGES_RANGES)
 732     print_job->page_ranges =
 733       gtk_print_settings_get_page_ranges (settings,
 734                                           &print_job->num_page_ranges);
 735
 736   print_job->collate = gtk_print_settings_get_collate (settings);
 737   print_job->reverse = gtk_print_settings_get_reverse (settings);
 738   print_job->num_copies = gtk_print_settings_get_n_copies (settings);
 739
 740   scale = gtk_print_settings_get_scale (settings);
 741   if (scale != 100.0)
 742     print_job->scale = scale/100.0;
 743
 744   papersize = gtk_page_setup_get_paper_size (page_setup);
 745   ppd_paper_name = gtk_paper_size_get_ppd_name (papersize);
 746
 747   page_set = gtk_print_settings_get_page_set (settings);
 748   if (page_set == GTK_PAGE_SET_EVEN)
 749     print_job->page_set = GTK_PAGE_SET_EVEN;
 750   else if (page_set == GTK_PAGE_SET_ODD)
 751     print_job->page_set = GTK_PAGE_SET_ODD;
 752   else
 753     print_job->page_set = GTK_PAGE_SET_ALL;
 754
 755   print_job->rotate_to_orientation = TRUE;
 756
 757 }
 758
 759 gboolean
 760 is_local_printer (gchar *printer_uri)
 761 {
 762   if (strncmp (printer_uri, "lpsched:", 8) == 0)
 763     return TRUE;
 764   else
 765     return FALSE;
 766 }
 767
 768 void
 769 merge_ppd_data (papi_attribute_t ***attributes, gchar *ppdfile)
 770 {
 771   get_ppd_attrs (attributes, ppdfile);
 772 }
 773
 774
 775 static void
 776 papi_display_printer_status_done (gpointer user_data)
 777 {
 778   GtkPrinter *printer = (GtkPrinter *) user_data;
 779   GtkPrinterPapi *papi_printer;
 780
 781   g_signal_emit_by_name (printer, "details-acquired", TRUE);
 782   papi_printer = GTK_PRINTER_PAPI (printer);
 783   return;
 784 }
 785
 786 #define IDLE 3
 787 #define PROCESSING 4
 788 #define STOPPED 5
 789 static gboolean
 790 papi_display_printer_status (gpointer user_data)
 791 {
 792   GtkPrinter *printer = (GtkPrinter *) user_data;
 793   GtkPrinterPapi *papi_printer;
 794   gchar *loc, *printer_uri, *ppdfile;
 795   int state;
 796   papi_service_t service;
 797   papi_attribute_t **attrs = NULL;
 798   papi_printer_t current_printer = NULL;
 799   static int count = 0;
 800
 801   papi_printer = GTK_PRINTER_PAPI (printer);
 802   if (papiServiceCreate (&service, NULL, NULL, NULL, NULL, PAPI_ENCRYPT_NEVER,
 803                           NULL) != PAPI_OK)
 804     return FALSE;
 805
 806   if (papiPrinterQuery (service, papi_printer->printer_name, NULL, NULL,
 807                         &current_printer) != PAPI_OK)
 808     {
 809        /* SUN_BRANDING */
 810        gtk_printer_set_state_message (printer, _("printer offline"));
 811     }
 812
 813   if (current_printer != NULL)
 814     {
 815         attrs = papiPrinterGetAttributeList (current_printer);
 816     }
 817
 818   if (papiAttributeListGetString (attrs, NULL, "printer-info", &loc) == PAPI_OK)
 819     {
 820         gtk_printer_set_location (printer, loc);
 821     }
 822
 823   if (papiAttributeListGetInteger (attrs, NULL, "printer-state", &state) == PAPI_OK)
 824     {
 825       switch (state)
 826         {
 827           /* SUN_BRANDING */
 828           case IDLE: gtk_printer_set_state_message (printer, _("ready to print"));
 829                      break;
 830           /* SUN_BRANDING */
 831           case PROCESSING: gtk_printer_set_state_message (printer, _("processing job"));
 832                            break;
 833
 834           /* SUN_BRANDING */
 835           case STOPPED: gtk_printer_set_state_message (printer, _("paused"));
 836                         break;
 837           /* SUN_BRANDING */
 838           default: gtk_printer_set_state_message (printer, _("unknown"));
 839                    break;
 840         }
 841     }
 842
 843   papiPrinterFree (current_printer);
 844   papiServiceDestroy (service);
 845   gtk_printer_set_has_details (printer, TRUE);
 846
 847   return FALSE;
 848 }
 849
 850 static void
 851 papi_printer_request_details (GtkPrinter *printer)
 852 {
 853   g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, papi_display_printer_status, printer, papi_display_printer_status_done);
 854 }
 855
 856
 857 static GtkPrintCapabilities
 858 papi_printer_get_capabilities (GtkPrinter *printer)
 859 {
 860   return GTK_PRINT_CAPABILITY_COPIES | GTK_PRINT_CAPABILITY_PAGE_SET ;
 861 }
 862