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   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   cairo_surface_set_fallback_resolution (surface,
 238                                          2.0 * gtk_print_settings_get_printer_lpi (settings),
 239                                          2.0 * gtk_print_settings_get_printer_lpi (settings));
 240
 241   return surface;
 242 }
 243
 244 typedef struct {
 245   GtkPrintBackend *backend;
 246   GtkPrintJobCompleteFunc callback;
 247   GtkPrintJob *job;
 248   gpointer user_data;
 249   GDestroyNotify dnotify;
 250
 251   papi_service_t service;
 252   papi_stream_t stream;
 253 } _PrintStreamData;
 254
 255 static void
 256 papi_print_cb (GtkPrintBackendPapi *print_backend,
 257               GError             *error,
 258               gpointer            user_data)
 259 {
 260   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 261
 262   if (ps->callback)
 263     ps->callback (ps->job, ps->user_data, error);
 264
 265   if (ps->dnotify)
 266     ps->dnotify (ps->user_data);
 267
 268   gtk_print_job_set_status (ps->job,
 269                             error ? GTK_PRINT_STATUS_FINISHED_ABORTED
 270                                   : GTK_PRINT_STATUS_FINISHED);
 271
 272   if (ps->job)
 273     g_object_unref (ps->job);
 274
 275   g_free (ps);
 276 }
 277
 278 static gboolean
 279 papi_write (GIOChannel   *source,
 280            GIOCondition  con,
 281            gpointer      user_data)
 282 {
 283   gchar buf[_PAPI_MAX_CHUNK_SIZE];
 284   gsize bytes_read;
 285   GError *error;
 286   GIOStatus status;
 287   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 288   papi_job_t job = NULL;
 289
 290   error = NULL;
 291   status = g_io_channel_read_chars (source,
 292                                     buf,
 293                                     _PAPI_MAX_CHUNK_SIZE,
 294                                     &bytes_read,
 295                                     &error);
 296
 297   /* Keep writing to PAPI input stream while there are data */
 298   if (status != G_IO_STATUS_ERROR)
 299   {
 300      papiJobStreamWrite (ps->service, ps->stream, buf, bytes_read);
 301   }
 302
 303   /* Finish reading input stream data. Closing the stream and handle to service */
 304   if (bytes_read == 0) {
 305      papiJobStreamClose (ps->service, ps->stream, &job);
 306      ps->stream = NULL;
 307      papiJobFree (job);
 308      papiServiceDestroy (ps->service);
 309      ps->service = NULL;
 310   }
 311
 312   if (error != NULL || status == G_IO_STATUS_EOF)
 313     {
 314       papi_print_cb (GTK_PRINT_BACKEND_PAPI (ps->backend),
 315                     error, user_data);
 316
 317       if (error)
 318         g_error_free (error);
 319
 320       if (error != NULL)
 321         {
 322           GTK_NOTE (PRINTING,
 323                     g_print ("PAPI Backend: %s\n", error->message));
 324
 325           g_error_free (error);
 326         }
 327
 328       return FALSE;
 329     }
 330
 331   GTK_NOTE (PRINTING,
 332             g_print ("PAPI Backend: Writting %i byte chunk to papi pipe\n", bytes_read));
 333
 334   return TRUE;
 335 }
 336
 337 static void
 338 gtk_print_backend_papi_print_stream (GtkPrintBackend        *print_backend,
 339                                     GtkPrintJob            *job,
 340                                     GIOChannel             *data_io,
 341                                     GtkPrintJobCompleteFunc callback,
 342                                     gpointer                user_data,
 343                                     GDestroyNotify          dnotify)
 344 {
 345   GError *print_error = NULL;
 346   GtkPrinterPapi *printer;
 347   _PrintStreamData *ps;
 348   GtkPrintSettings *settings;
 349   gint argc;
 350   gint in_fd;
 351   gchar **argv = NULL;
 352   const gchar *title;
 353   char *prtnm = NULL;
 354   GtkPrintDuplex val;
 355   papi_status_t pstatus = NULL;
 356   papi_attribute_t **attrs = NULL;
 357   papi_job_ticket_t *ticket = NULL;
 358
 359   printer = GTK_PRINTER_PAPI (gtk_print_job_get_printer (job));
 360   settings = gtk_print_job_get_settings (job);
 361
 362   /* FIXME - the title should be set as the job-name */
 363   title = gtk_print_job_get_title (job);
 364
 365   ps = g_new0 (_PrintStreamData, 1);
 366   ps->callback = callback;
 367   ps->user_data = user_data;
 368   ps->dnotify = dnotify;
 369   ps->job = g_object_ref (job);
 370   ps->service = NULL;
 371   ps->stream = NULL;
 372
 373    /* This cannot be queried yet with the current API */
 374   papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "document-format", "application/postscript");
 375   val =  gtk_print_settings_get_duplex (settings) ;
 376   if (val == GTK_PRINT_DUPLEX_HORIZONTAL)
 377     papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "Duplex", "DuplexNoTumble");
 378   else if (val == GTK_PRINT_DUPLEX_VERTICAL)
 379     papiAttributeListAddString (&attrs, PAPI_ATTR_EXCL, "Duplex", "DuplexTumble");
 380
 381   if (job->num_copies > 1)
 382     {
 383       papiAttributeListAddInteger (&attrs, PAPI_ATTR_EXCL, "copies", job->num_copies);
 384     }
 385
 386   prtnm = strdup (gtk_printer_get_name (GTK_PRINTER(printer)));
 387
 388   if (papiServiceCreate (&(ps->service), prtnm, NULL, NULL, NULL,
 389                          PAPI_ENCRYPT_NEVER, NULL) != PAPI_OK)
 390     return;
 391
 392   pstatus = papiJobStreamOpen (ps->service, prtnm, attrs, ticket, &(ps->stream));
 393   if (pstatus != PAPI_OK)
 394     {
 395       papiServiceDestroy (ps->service);
 396       ps->service = NULL;
 397       return;
 398     }
 399
 400   /* Everything set up fine, so get ready to wait for input data stream */
 401   g_io_add_watch (data_io,
 402                   G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP,
 403                   (GIOFunc) papi_write,
 404                   ps);
 405 }
 406
 407
 408 static void
 409 _papi_set_default_printer (GtkPrintBackendPapi *backend)
 410 {
 411   char *def_printer = NULL;
 412   char *_default_attr[] = { "printer-name", NULL };
 413   papi_service_t service = NULL;
 414   papi_printer_t default_printer = NULL;
 415   papi_attribute_t **attrs = NULL;
 416
 417   if (papiServiceCreate (&service, NULL, NULL, NULL, NULL, PAPI_ENCRYPT_NEVER,
 418                           NULL) != PAPI_OK)
 419     return;
 420
 421   if (papiPrinterQuery (service, "_default", _default_attr, NULL,
 422                         &default_printer) == PAPI_OK)
 423     {
 424       if (default_printer != NULL)
 425         {
 426           attrs = papiPrinterGetAttributeList (default_printer);
 427
 428           if (attrs != NULL)
 429             if (papiAttributeListGetString (attrs, NULL, "printer-name",
 430                                             &def_printer) == PAPI_OK)
 431               {
 432                 backend->default_printer = strdup (def_printer);
 433               }
 434         }
 435     }
 436
 437   papiPrinterFree (default_printer);
 438   papiServiceDestroy (service);
 439 }
 440
 441 static void
 442 gtk_print_backend_papi_init (GtkPrintBackendPapi *backend)
 443 {
 444   _papi_set_default_printer (backend);
 445 }
 446
 447 static void
 448 gtk_print_backend_papi_finalize (GObject *object)
 449 {
 450   GtkPrintBackendPapi *backend_papi;
 451
 452   GTK_NOTE (PRINTING,
 453             g_print ("PAPI Backend: finalizing PAPI backend module\n"));
 454
 455   backend_papi = GTK_PRINT_BACKEND_PAPI (object);
 456
 457   g_free (backend_papi->default_printer);
 458   backend_papi->default_printer = NULL;
 459
 460   backend_parent_class->finalize (object);
 461 }
 462
 463
 464 static void
 465 gtk_print_backend_papi_dispose (GObject *object)
 466 {
 467   GtkPrintBackendPapi *backend_papi;
 468
 469   GTK_NOTE (PRINTING,
 470             g_print ("PAPI Backend: %s\n", G_STRFUNC));
 471
 472   backend_papi = GTK_PRINT_BACKEND_PAPI (object);
 473
 474   backend_parent_class->dispose (object);
 475 }
 476
 477 char **
 478 get_all_list(papi_service_t svc)
 479 {
 480         papi_status_t status;
 481         papi_printer_t printer = NULL;
 482         char *attr[] = { "member-names", NULL };
 483         char **names = NULL;
 484
 485         status = papiPrinterQuery(svc, "_all", attr, NULL, &printer);
 486         if ((status == PAPI_OK) && (printer != NULL)) {
 487                 papi_attribute_t **attributes =
 488                                         papiPrinterGetAttributeList(printer);
 489                 if (attributes != NULL) {
 490                         void *iter = NULL;
 491                         char *member = NULL;
 492
 493                         for (status = papiAttributeListGetString(attributes,
 494                                                 &iter, "member-names", &member);
 495                                 status == PAPI_OK;
 496                                 status = papiAttributeListGetString(attributes,
 497                                                 &iter, NULL, &member))
 498                                         list_append(&names, strdup(member));
 499                 }
 500                 papiPrinterFree(printer);
 501         }
 502
 503         return (names);
 504 }
 505
 506 static char **
 507 get_printers_list(papi_service_t svc)
 508 {
 509         papi_status_t status;
 510         papi_printer_t *printers = NULL;
 511         char *keys[] = { "printer-name", "printer-uri-supported", NULL };
 512         char **names = NULL;
 513
 514         status = papiPrintersList(svc, keys, NULL, &printers);
 515         if ((status == PAPI_OK) && (printers != NULL)) {
 516                 int i;
 517
 518                 for (i = 0; printers[i] != NULL; i++) {
 519                         papi_attribute_t **attributes =
 520                                 papiPrinterGetAttributeList(printers[i]);
 521                         char *name = NULL;
 522
 523                         (void) papiAttributeListGetString(attributes, NULL,
 524                                                         "printer-name", &name);
 525                         if ((name != NULL) && (strcmp(name, "_default") != 0))
 526                                 list_append(&names, strdup(name));
 527                 }
 528                 papiPrinterListFree(printers);
 529         }
 530
 531         return (names);
 532 }
 533
 534 static void
 535 papi_request_printer_list (GtkPrintBackend *backend)
 536 {
 537   GtkPrintBackendPapi *papi_backend;
 538
 539   papi_backend = GTK_PRINT_BACKEND_PAPI (backend);
 540
 541   /* Get the list of printers using papi API */
 542   papi_get_printer_list (papi_backend);
 543 }
 544
 545 static gboolean
 546 papi_get_printer_list (GtkPrintBackendPapi *papi_backend)
 547 {
 548   int i;
 549   const char *attributes[] =  /* Attributes we're interested in */
 550     {
 551       "printer-name",
 552       "printer-uri-supported",
 553       NULL
 554     };
 555   papi_status_t status, status2;
 556   papi_service_t service = NULL;
 557   char **printers = NULL;
 558   GtkPrinter *printer;
 559   GtkPrinterPapi *papi_printer;
 560   GList *current_printer_list;
 561   GtkPrintBackend *backend = GTK_PRINT_BACKEND (papi_backend);
 562
 563   if ((status = papiServiceCreate (&service, NULL, NULL, NULL, NULL,
 564                 PAPI_ENCRYPT_NEVER, NULL)) != PAPI_OK)
 565     return FALSE;
 566
 567   if ((printers = get_all_list (service)) == NULL)
 568     {
 569       printers = get_printers_list (service);
 570     }
 571
 572   if (printers == NULL)
 573     {
 574       papiServiceDestroy (service);
 575       return FALSE;
 576     }
 577
 578   for (i = 0; printers[i] != NULL; i++)
 579     {
 580       GtkPrinter *printer;
 581       char *name = NULL, *url = NULL;
 582       papi_attribute_t **attrs = NULL;
 583
 584           printer = gtk_print_backend_find_printer (backend, printers[i]);
 585
 586           if (!printer)
 587             {
 588               /* skip null printer name just in case */
 589               if (printers[i] == NULL)
 590                 continue;
 591
 592               /* skip the alias _default and _all printers */
 593               if (strcmp(printers[i], "_default")==0 || strcmp(printers[i], "_all")==0)
 594                 continue;
 595
 596               papi_printer = gtk_printer_papi_new (printers[i], backend);
 597               printer = GTK_PRINTER (papi_printer);
 598
 599               /* Only marked default printer to not have details so that
 600                  the request_details method will be called  at start up
 601                */
 602
 603               if (papi_backend->default_printer != NULL)
 604                 if (strcmp (printers[i], papi_backend->default_printer)==0)
 605                   {
 606                     gtk_printer_set_is_default (printer, TRUE);
 607                   }
 608
 609               gtk_printer_set_icon_name (printer, "printer");
 610               gtk_print_backend_add_printer (backend, printer);
 611               gtk_printer_set_is_active (printer, TRUE);
 612
 613               /* gtk_printer_set_has_details (printer, TRUE); */
 614             }
 615           else
 616             g_object_ref (printer);
 617
 618       if (!gtk_printer_is_active (printer))
 619         {
 620           gtk_printer_set_is_active (printer, TRUE);
 621           gtk_printer_set_is_new (printer, TRUE);
 622         }
 623
 624       if (gtk_printer_is_new (printer))
 625         {
 626           g_signal_emit_by_name (backend, "printer-added", printer);
 627           gtk_printer_set_is_new (printer, FALSE);
 628         }
 629
 630       g_object_unref (printer);
 631     }
 632
 633   free (printers);
 634   papiServiceDestroy (service);
 635
 636   /* To set that the list of printers added is complete */
 637   gtk_print_backend_set_list_done (backend);
 638
 639   return TRUE;
 640 }
 641
 642 static void
 643 update_printer_status (GtkPrinter *printer)
 644 {
 645   GtkPrintBackend *backend;
 646   GtkPrinterPapi *papi_printer;
 647   gboolean status_changed = FALSE;
 648
 649   backend = gtk_printer_get_backend (printer);
 650   papi_printer = GTK_PRINTER_PAPI (printer);
 651
 652   /* if (status_changed) */
 653     g_signal_emit_by_name (GTK_PRINT_BACKEND (backend),
 654                            "printer-status-changed", printer);
 655
 656 }
 657
 658
 659 static GtkPrinterOptionSet *
 660 papi_printer_get_options (GtkPrinter           *printer,
 661                           GtkPrintSettings     *settings,
 662                           GtkPageSetup         *page_setup,
 663                           GtkPrintCapabilities  capabilities)
 664 {
 665   GtkPrinterOptionSet *set;
 666   GtkPrinterOption *option;
 667   int i;
 668   char *print_at[] = { "now", "on-hold" };
 669   char *n_up[] = {"1"};
 670
 671   /* Update the printer status before the printer options are displayed */
 672   update_printer_status (printer);
 673
 674   set = gtk_printer_option_set_new ();
 675
 676   /* non-ppd related settings */
 677
 678   /* This maps to number-up-supported in PAPI. FIXME
 679    * number-up-default is the default value.
 680    * number-up-supported is the list of number of able to print per page
 681    */
 682   option = gtk_printer_option_new ("gtk-n-up", "Pages Per Sheet", GTK_PRINTER_OPTION_TYPE_PICKONE);
 683   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
 684                                          n_up, n_up);
 685   gtk_printer_option_set (option, "1");
 686   gtk_printer_option_set_add (set, option);
 687   g_object_unref (option);
 688
 689   /* This maps to job-priority-supported and job-priority-default in PAPI - FIXME*/
 690
 691   /* This relates to job-sheets-supported in PAPI  FIXME*/
 692
 693   /* This relates to job-hold-until-supported in PAPI */
 694   option = gtk_printer_option_new ("gtk-print-time", "Print at", GTK_PRINTER_OPTION_TYPE_PICKONE);
 695   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (print_at),
 696                                          print_at, print_at);
 697   gtk_printer_option_set (option, "now");
 698   gtk_printer_option_set_add (set, option);
 699   g_object_unref (option);
 700
 701   return set;
 702 }
 703
 704 static void
 705 papi_printer_get_settings_from_options (GtkPrinter          *printer,
 706                                        GtkPrinterOptionSet *options,
 707                                        GtkPrintSettings    *settings)
 708 {
 709   GtkPrinterOption *option;
 710
 711   option = gtk_printer_option_set_lookup (options, "gtk-n-up");
 712   if (option)
 713      gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP, option->value);
 714
 715 }
 716
 717 static void
 718 papi_printer_prepare_for_print (GtkPrinter       *printer,
 719                                GtkPrintJob      *print_job,
 720                                GtkPrintSettings *settings,
 721                                GtkPageSetup     *page_setup)
 722 {
 723   GtkPageSet page_set;
 724   double scale;
 725   GtkPaperSize *papersize = NULL;
 726   char *ppd_paper_name;
 727
 728   print_job->print_pages = gtk_print_settings_get_print_pages (settings);
 729   print_job->page_ranges = NULL;
 730   print_job->num_page_ranges = 0;
 731
 732   if (print_job->print_pages == GTK_PRINT_PAGES_RANGES)
 733     print_job->page_ranges =
 734       gtk_print_settings_get_page_ranges (settings,
 735                                           &print_job->num_page_ranges);
 736
 737   print_job->collate = gtk_print_settings_get_collate (settings);
 738   print_job->reverse = gtk_print_settings_get_reverse (settings);
 739   print_job->num_copies = gtk_print_settings_get_n_copies (settings);
 740
 741   scale = gtk_print_settings_get_scale (settings);
 742   if (scale != 100.0)
 743     print_job->scale = scale/100.0;
 744
 745   papersize = gtk_page_setup_get_paper_size (page_setup);
 746   ppd_paper_name = gtk_paper_size_get_ppd_name (papersize);
 747
 748   page_set = gtk_print_settings_get_page_set (settings);
 749   if (page_set == GTK_PAGE_SET_EVEN)
 750     print_job->page_set = GTK_PAGE_SET_EVEN;
 751   else if (page_set == GTK_PAGE_SET_ODD)
 752     print_job->page_set = GTK_PAGE_SET_ODD;
 753   else
 754     print_job->page_set = GTK_PAGE_SET_ALL;
 755
 756   print_job->rotate_to_orientation = TRUE;
 757
 758 }
 759
 760 gboolean
 761 is_local_printer (gchar *printer_uri)
 762 {
 763   if (strncmp (printer_uri, "lpsched:", 8) == 0)
 764     return TRUE;
 765   else
 766     return FALSE;
 767 }
 768
 769 void
 770 merge_ppd_data (papi_attribute_t ***attributes, gchar *ppdfile)
 771 {
 772   get_ppd_attrs (attributes, ppdfile);
 773 }
 774
 775
 776 static void
 777 papi_display_printer_status_done (gpointer user_data)
 778 {
 779   GtkPrinter *printer = (GtkPrinter *) user_data;
 780   GtkPrinterPapi *papi_printer;
 781
 782   g_signal_emit_by_name (printer, "details-acquired", TRUE);
 783   papi_printer = GTK_PRINTER_PAPI (printer);
 784   return;
 785 }
 786
 787 #define IDLE 3
 788 #define PROCESSING 4
 789 #define STOPPED 5
 790 static gboolean
 791 papi_display_printer_status (gpointer user_data)
 792 {
 793   GtkPrinter *printer = (GtkPrinter *) user_data;
 794   GtkPrinterPapi *papi_printer;
 795   gchar *loc, *printer_uri, *ppdfile;
 796   int state;
 797   papi_service_t service;
 798   papi_attribute_t **attrs = NULL;
 799   papi_printer_t current_printer = NULL;
 800   static int count = 0;
 801
 802   papi_printer = GTK_PRINTER_PAPI (printer);
 803   if (papiServiceCreate (&service, NULL, NULL, NULL, NULL, PAPI_ENCRYPT_NEVER,
 804                           NULL) != PAPI_OK)
 805     return G_SOURCE_REMOVE;
 806
 807   if (papiPrinterQuery (service, papi_printer->printer_name, NULL, NULL,
 808                         &current_printer) != PAPI_OK)
 809     {
 810        /* SUN_BRANDING */
 811        gtk_printer_set_state_message (printer, _("printer offline"));
 812     }
 813
 814   if (current_printer != NULL)
 815     {
 816         attrs = papiPrinterGetAttributeList (current_printer);
 817     }
 818
 819   if (papiAttributeListGetString (attrs, NULL, "printer-info", &loc) == PAPI_OK)
 820     {
 821         gtk_printer_set_location (printer, loc);
 822     }
 823
 824   if (papiAttributeListGetInteger (attrs, NULL, "printer-state", &state) == PAPI_OK)
 825     {
 826       switch (state)
 827         {
 828           /* SUN_BRANDING */
 829           case IDLE: gtk_printer_set_state_message (printer, _("ready to print"));
 830                      break;
 831           /* SUN_BRANDING */
 832           case PROCESSING: gtk_printer_set_state_message (printer, _("processing job"));
 833                            break;
 834
 835           /* SUN_BRANDING */
 836           case STOPPED: gtk_printer_set_state_message (printer, _("paused"));
 837                         break;
 838           /* SUN_BRANDING */
 839           default: gtk_printer_set_state_message (printer, _("unknown"));
 840                    break;
 841         }
 842     }
 843
 844   papiPrinterFree (current_printer);
 845   papiServiceDestroy (service);
 846   gtk_printer_set_has_details (printer, TRUE);
 847
 848   return G_SOURCE_REMOVE;
 849 }
 850
 851 static void
 852 papi_printer_request_details (GtkPrinter *printer)
 853 {
 854   g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, papi_display_printer_status, printer, papi_display_printer_status_done);
 855 }
 856
 857
 858 static GtkPrintCapabilities
 859 papi_printer_get_capabilities (GtkPrinter *printer)
 860 {
 861   return GTK_PRINT_CAPABILITY_COPIES | GTK_PRINT_CAPABILITY_PAGE_SET ;
 862 }
 863