shell/ev-jobs.c

   1 #include <config.h>
   2 #include "ev-jobs.h"
   3 #include "ev-job-queue.h"
   4 #include "ev-document-thumbnails.h"
   5 #include "ev-document-links.h"
   6 #include "ev-document-images.h"
   7 #include "ev-document-forms.h"
   8 #include "ev-file-exporter.h"
   9 #include "ev-document-factory.h"
  10 #include "ev-document-misc.h"
  11 #include "ev-file-helpers.h"
  12 #include "ev-document-fonts.h"
  13 #include "ev-async-renderer.h"
  14 #include "ev-debug.h"
  15
  16 #include <errno.h>
  17 #include <glib/gstdio.h>
  18 #include <glib/gi18n.h>
  19 #include <unistd.h>
  20
  21 static void ev_job_init                 (EvJob               *job);
  22 static void ev_job_class_init           (EvJobClass          *class);
  23 static void ev_job_links_init           (EvJobLinks          *job);
  24 static void ev_job_links_class_init     (EvJobLinksClass     *class);
  25 static void ev_job_render_init          (EvJobRender         *job);
  26 static void ev_job_render_class_init    (EvJobRenderClass    *class);
  27 static void ev_job_thumbnail_init       (EvJobThumbnail      *job);
  28 static void ev_job_thumbnail_class_init (EvJobThumbnailClass *class);
  29 static void ev_job_load_init            (EvJobLoad           *job);
  30 static void ev_job_load_class_init      (EvJobLoadClass      *class);
  31 static void ev_job_save_init            (EvJobSave           *job);
  32 static void ev_job_save_class_init      (EvJobSaveClass      *class);
  33 static void ev_job_print_init           (EvJobPrint          *job);
  34 static void ev_job_print_class_init     (EvJobPrintClass     *class);
  35
  36 enum {
  37         FINISHED,
  38         LAST_SIGNAL
  39 };
  40
  41 enum {
  42         PAGE_READY,
  43         RENDER_LAST_SIGNAL
  44 };
  45
  46 static guint job_signals[LAST_SIGNAL] = { 0 };
  47 static guint job_render_signals[RENDER_LAST_SIGNAL] = { 0 };
  48
  49 G_DEFINE_TYPE (EvJob, ev_job, G_TYPE_OBJECT)
  50 G_DEFINE_TYPE (EvJobLinks, ev_job_links, EV_TYPE_JOB)
  51 G_DEFINE_TYPE (EvJobRender, ev_job_render, EV_TYPE_JOB)
  52 G_DEFINE_TYPE (EvJobThumbnail, ev_job_thumbnail, EV_TYPE_JOB)
  53 G_DEFINE_TYPE (EvJobFonts, ev_job_fonts, EV_TYPE_JOB)
  54 G_DEFINE_TYPE (EvJobLoad, ev_job_load, EV_TYPE_JOB)
  55 G_DEFINE_TYPE (EvJobSave, ev_job_save, EV_TYPE_JOB)
  56 G_DEFINE_TYPE (EvJobPrint, ev_job_print, EV_TYPE_JOB)
  57
  58 static void ev_job_init (EvJob *job) { /* Do Nothing */ }
  59
  60 static void
  61 ev_job_dispose (GObject *object)
  62 {
  63         EvJob *job;
  64
  65         job = EV_JOB (object);
  66
  67         if (job->document) {
  68                 g_object_unref (job->document);
  69                 job->document = NULL;
  70         }
  71
  72         (* G_OBJECT_CLASS (ev_job_parent_class)->dispose) (object);
  73 }
  74
  75 static void
  76 ev_job_class_init (EvJobClass *class)
  77 {
  78         GObjectClass *oclass;
  79
  80         oclass = G_OBJECT_CLASS (class);
  81
  82         oclass->dispose = ev_job_dispose;
  83
  84         job_signals [FINISHED] =
  85                 g_signal_new ("finished",
  86                               EV_TYPE_JOB,
  87                               G_SIGNAL_RUN_LAST,
  88                               G_STRUCT_OFFSET (EvJobClass, finished),
  89                               NULL, NULL,
  90                               g_cclosure_marshal_VOID__VOID,
  91                               G_TYPE_NONE, 0);
  92 }
  93
  94
  95 static void ev_job_links_init (EvJobLinks *job) { /* Do Nothing */ }
  96
  97 static void
  98 ev_job_links_dispose (GObject *object)
  99 {
 100         EvJobLinks *job;
 101
 102         ev_debug_message (DEBUG_JOBS, NULL);
 103
 104         job = EV_JOB_LINKS (object);
 105
 106         if (job->model) {
 107                 g_object_unref (job->model);
 108                 job->model = NULL;
 109         }
 110
 111         (* G_OBJECT_CLASS (ev_job_links_parent_class)->dispose) (object);
 112 }
 113
 114 static void
 115 ev_job_links_class_init (EvJobLinksClass *class)
 116 {
 117         GObjectClass *oclass;
 118
 119         oclass = G_OBJECT_CLASS (class);
 120
 121         oclass->dispose = ev_job_links_dispose;
 122 }
 123
 124
 125 static void ev_job_render_init (EvJobRender *job) { /* Do Nothing */ }
 126
 127 static void
 128 ev_job_render_dispose (GObject *object)
 129 {
 130         EvJobRender *job;
 131
 132         job = EV_JOB_RENDER (object);
 133
 134         if (job->ev_page) {
 135                 ev_debug_message (DEBUG_JOBS, "page: %d", job->ev_page->index);
 136                 g_object_unref (job->ev_page);
 137                 job->ev_page = NULL;
 138         }
 139
 140         if (job->surface) {
 141                 cairo_surface_destroy (job->surface);
 142                 job->surface = NULL;
 143         }
 144
 145         if (job->selection) {
 146                 cairo_surface_destroy (job->selection);
 147                 job->selection = NULL;
 148         }
 149
 150         if (job->selection_region) {
 151                 gdk_region_destroy (job->selection_region);
 152                 job->selection_region = NULL;
 153         }
 154
 155         (* G_OBJECT_CLASS (ev_job_render_parent_class)->dispose) (object);
 156 }
 157
 158 static void
 159 ev_job_render_class_init (EvJobRenderClass *class)
 160 {
 161         GObjectClass *oclass;
 162
 163         oclass = G_OBJECT_CLASS (class);
 164
 165         job_render_signals [PAGE_READY] =
 166                 g_signal_new ("page-ready",
 167                               EV_TYPE_JOB_RENDER,
 168                               G_SIGNAL_RUN_LAST,
 169                               G_STRUCT_OFFSET (EvJobRenderClass, page_ready),
 170                               NULL, NULL,
 171                               g_cclosure_marshal_VOID__VOID,
 172                               G_TYPE_NONE, 0);
 173
 174         oclass->dispose = ev_job_render_dispose;
 175 }
 176
 177 static void ev_job_thumbnail_init (EvJobThumbnail *job) { /* Do Nothing */ }
 178
 179 static void
 180 ev_job_thumbnail_dispose (GObject *object)
 181 {
 182         EvJobThumbnail *job;
 183
 184         job = EV_JOB_THUMBNAIL (object);
 185
 186         ev_debug_message (DEBUG_JOBS, "%d", job->page);
 187
 188         if (job->thumbnail) {
 189                 g_object_unref (job->thumbnail);
 190                 job->thumbnail = NULL;
 191         }
 192
 193         (* G_OBJECT_CLASS (ev_job_thumbnail_parent_class)->dispose) (object);
 194 }
 195
 196 static void
 197 ev_job_thumbnail_class_init (EvJobThumbnailClass *class)
 198 {
 199         GObjectClass *oclass;
 200
 201         oclass = G_OBJECT_CLASS (class);
 202
 203         oclass->dispose = ev_job_thumbnail_dispose;
 204 }
 205
 206 static void ev_job_print_init (EvJobPrint *job) { /* Do Nothing */ }
 207
 208 static void
 209 ev_job_print_dispose (GObject *object)
 210 {
 211         EvJobPrint *job;
 212
 213         job = EV_JOB_PRINT (object);
 214
 215         ev_debug_message (DEBUG_JOBS, NULL);
 216
 217         if (job->temp_file) {
 218                 g_unlink (job->temp_file);
 219                 g_free (job->temp_file);
 220                 job->temp_file = NULL;
 221         }
 222
 223         if (job->error) {
 224                 g_error_free (job->error);
 225                 job->error = NULL;
 226         }
 227
 228         if (job->ranges) {
 229                 g_free (job->ranges);
 230                 job->ranges = NULL;
 231                 job->n_ranges = 0;
 232         }
 233
 234         (* G_OBJECT_CLASS (ev_job_print_parent_class)->dispose) (object);
 235 }
 236
 237 static void
 238 ev_job_print_class_init (EvJobPrintClass *class)
 239 {
 240         GObjectClass *oclass;
 241
 242         oclass = G_OBJECT_CLASS (class);
 243
 244         oclass->dispose = ev_job_print_dispose;
 245 }
 246
 247 /* Public functions */
 248 void
 249 ev_job_finished (EvJob *job)
 250 {
 251         ev_debug_message (DEBUG_JOBS, NULL);
 252
 253         g_return_if_fail (EV_IS_JOB (job));
 254
 255         g_signal_emit (job, job_signals[FINISHED], 0);
 256 }
 257
 258 EvJob *
 259 ev_job_links_new (EvDocument *document)
 260 {
 261         EvJob *job;
 262
 263         ev_debug_message (DEBUG_JOBS, NULL);
 264
 265         job = g_object_new (EV_TYPE_JOB_LINKS, NULL);
 266         job->document = g_object_ref (document);
 267
 268         return job;
 269 }
 270
 271 void
 272 ev_job_links_run (EvJobLinks *job)
 273 {
 274         ev_debug_message (DEBUG_JOBS, NULL);
 275
 276         g_return_if_fail (EV_IS_JOB_LINKS (job));
 277
 278         ev_document_doc_mutex_lock ();
 279         job->model = ev_document_links_get_links_model (EV_DOCUMENT_LINKS (EV_JOB (job)->document));
 280         EV_JOB (job)->finished = TRUE;
 281         ev_document_doc_mutex_unlock ();
 282 }
 283
 284 EvJob *
 285 ev_job_render_new (EvDocument   *document,
 286                    gint          page,
 287                    gint          rotation,
 288                    gdouble       scale,
 289                    gint          width,
 290                    gint          height,
 291                    EvRenderFlags flags)
 292 {
 293         EvJobRender *job;
 294
 295         ev_debug_message (DEBUG_JOBS, "page: %d", page);
 296
 297         job = g_object_new (EV_TYPE_JOB_RENDER, NULL);
 298
 299         EV_JOB (job)->document = g_object_ref (document);
 300         job->page = page;
 301         job->rotation = rotation;
 302         job->scale = scale;
 303         job->target_width = width;
 304         job->target_height = height;
 305         job->flags = flags;
 306
 307         if (EV_IS_ASYNC_RENDERER (document)) {
 308                 EV_JOB (job)->async = TRUE;
 309         }
 310
 311         return EV_JOB (job);
 312 }
 313
 314 void
 315 ev_job_render_set_selection_info (EvJobRender     *job,
 316                                   EvRectangle     *selection_points,
 317                                   EvSelectionStyle selection_style,
 318                                   GdkColor        *text,
 319                                   GdkColor        *base)
 320 {
 321         job->flags |= EV_RENDER_INCLUDE_SELECTION;
 322
 323         job->selection_points = *selection_points;
 324         job->selection_style = selection_style;
 325         job->text = *text;
 326         job->base = *base;
 327 }
 328
 329 static void
 330 render_finished_cb (EvDocument      *document,
 331                     GdkPixbuf       *pixbuf,
 332                     EvJobRender     *job)
 333 {
 334         g_signal_handlers_disconnect_by_func (EV_JOB (job)->document,
 335                                               render_finished_cb, job);
 336
 337         job->surface = ev_document_misc_surface_from_pixbuf (pixbuf);
 338         job->page_ready = TRUE;
 339         g_signal_emit (job, job_render_signals[PAGE_READY], 0);
 340         EV_JOB (job)->finished = TRUE;
 341         ev_job_finished (EV_JOB (job));
 342 }
 343
 344 static gboolean
 345 notify_page_ready (EvJobRender *job)
 346 {
 347         ev_debug_message (DEBUG_JOBS, "%d", job->ev_page->index);
 348
 349         g_signal_emit (job, job_render_signals[PAGE_READY], 0);
 350
 351         return FALSE;
 352 }
 353
 354 static void
 355 ev_job_render_page_ready (EvJobRender *job)
 356 {
 357         ev_debug_message (DEBUG_JOBS, "%d", job->ev_page->index);
 358
 359         job->page_ready = TRUE;
 360         g_idle_add_full (G_PRIORITY_HIGH_IDLE,
 361                          (GSourceFunc)notify_page_ready,
 362                          g_object_ref (job),
 363                          (GDestroyNotify)g_object_unref);
 364 }
 365
 366 void
 367 ev_job_render_run (EvJobRender *job)
 368 {
 369         g_return_if_fail (EV_IS_JOB_RENDER (job));
 370
 371         ev_debug_message (DEBUG_JOBS, "page: %d", job->page);
 372
 373         ev_document_doc_mutex_lock ();
 374
 375         if (EV_JOB (job)->async) {
 376                 EvAsyncRenderer *renderer = EV_ASYNC_RENDERER (EV_JOB (job)->document);
 377                 ev_async_renderer_render_pixbuf (renderer, job->page, job->scale,
 378                                                  job->rotation);
 379                 g_signal_connect (EV_JOB (job)->document, "render_finished",
 380                                   G_CALLBACK (render_finished_cb), job);
 381         } else {
 382                 EvRenderContext *rc;
 383
 384                 ev_document_fc_mutex_lock ();
 385
 386                 job->ev_page = ev_document_get_page (EV_JOB (job)->document, job->page);
 387
 388                 rc = ev_render_context_new (job->ev_page, job->rotation, job->scale);
 389
 390                 job->surface = ev_document_render (EV_JOB (job)->document, rc);
 391                 if ((job->flags & EV_RENDER_INCLUDE_SELECTION) && EV_IS_SELECTION (EV_JOB (job)->document)) {
 392                         ev_selection_render_selection (EV_SELECTION (EV_JOB (job)->document),
 393                                                        rc,
 394                                                        &(job->selection),
 395                                                        &(job->selection_points),
 396                                                        NULL,
 397                                                        job->selection_style,
 398                                                        &(job->text), &(job->base));
 399                         job->selection_region =
 400                                 ev_selection_get_selection_region (EV_SELECTION (EV_JOB (job)->document),
 401                                                                    rc,
 402                                                                    job->selection_style,
 403                                                                    &(job->selection_points));
 404                 }
 405
 406                 ev_job_render_page_ready (job);
 407
 408                 ev_document_fc_mutex_unlock ();
 409
 410                 if ((job->flags & EV_RENDER_INCLUDE_TEXT) && EV_IS_SELECTION (EV_JOB (job)->document))
 411                         job->text_mapping =
 412                                 ev_selection_get_selection_map (EV_SELECTION (EV_JOB (job)->document), rc);
 413                 if ((job->flags & EV_RENDER_INCLUDE_LINKS) && EV_IS_DOCUMENT_LINKS (EV_JOB (job)->document))
 414                         job->link_mapping =
 415                                 ev_document_links_get_links (EV_DOCUMENT_LINKS (EV_JOB (job)->document), job->page);
 416                 if ((job->flags & EV_RENDER_INCLUDE_FORMS) && EV_IS_DOCUMENT_FORMS (EV_JOB (job)->document))
 417                         job->form_field_mapping =
 418                                 ev_document_forms_get_form_fields (EV_DOCUMENT_FORMS (EV_JOB (job)->document),
 419                                                                    job->ev_page);
 420                 if ((job->flags & EV_RENDER_INCLUDE_IMAGES) && EV_IS_DOCUMENT_IMAGES (EV_JOB (job)->document))
 421                         job->image_mapping =
 422                                 ev_document_images_get_image_mapping (EV_DOCUMENT_IMAGES (EV_JOB (job)->document),
 423                                                                       job->page);
 424                 g_object_unref (rc);
 425
 426                 EV_JOB (job)->finished = TRUE;
 427         }
 428
 429         ev_document_doc_mutex_unlock ();
 430 }
 431
 432 EvJob *
 433 ev_job_thumbnail_new (EvDocument *document,
 434                       gint        page,
 435                       gint        rotation,
 436                       gdouble     scale)
 437 {
 438         EvJobThumbnail *job;
 439
 440         ev_debug_message (DEBUG_JOBS, "%d", page);
 441
 442         job = g_object_new (EV_TYPE_JOB_THUMBNAIL, NULL);
 443
 444         EV_JOB (job)->document = g_object_ref (document);
 445         job->page = page;
 446         job->rotation = rotation;
 447         job->scale = scale;
 448
 449         return EV_JOB (job);
 450 }
 451
 452 void
 453 ev_job_thumbnail_run (EvJobThumbnail *job)
 454 {
 455         EvRenderContext *rc;
 456         EvPage          *page;
 457
 458         ev_debug_message (DEBUG_JOBS, "%d", job->page);
 459
 460         g_return_if_fail (EV_IS_JOB_THUMBNAIL (job));
 461
 462         ev_document_doc_mutex_lock ();
 463
 464         page = ev_document_get_page (EV_JOB (job)->document, job->page);
 465         rc = ev_render_context_new (page, job->rotation, job->scale);
 466         g_object_unref (page);
 467
 468         job->thumbnail =
 469                 ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (EV_JOB (job)->document),
 470                                                       rc, TRUE);
 471         g_object_unref (rc);
 472         ev_document_doc_mutex_unlock ();
 473
 474         EV_JOB (job)->finished = TRUE;
 475 }
 476
 477 static void ev_job_fonts_init (EvJobFonts *job) { /* Do Nothing */ }
 478
 479 static void ev_job_fonts_class_init (EvJobFontsClass *class) { /* Do Nothing */ }
 480
 481 EvJob *
 482 ev_job_fonts_new (EvDocument *document)
 483 {
 484         EvJobFonts *job;
 485
 486         ev_debug_message (DEBUG_JOBS, NULL);
 487
 488         job = g_object_new (EV_TYPE_JOB_FONTS, NULL);
 489
 490         EV_JOB (job)->document = g_object_ref (document);
 491
 492         return EV_JOB (job);
 493 }
 494
 495 void
 496 ev_job_fonts_run (EvJobFonts *job)
 497 {
 498         EvDocumentFonts *fonts;
 499
 500         ev_debug_message (DEBUG_JOBS, NULL);
 501
 502         g_return_if_fail (EV_IS_JOB_FONTS (job));
 503
 504         ev_document_doc_mutex_lock ();
 505
 506         fonts = EV_DOCUMENT_FONTS (EV_JOB (job)->document);
 507         ev_document_fc_mutex_lock ();
 508         job->scan_completed = !ev_document_fonts_scan (fonts, 20);
 509         ev_document_fc_mutex_unlock ();
 510
 511         EV_JOB (job)->finished = TRUE;
 512
 513         ev_document_doc_mutex_unlock ();
 514 }
 515
 516 static void ev_job_load_init (EvJobLoad *job) { /* Do Nothing */ }
 517
 518 static void
 519 ev_job_load_dispose (GObject *object)
 520 {
 521         EvJobLoad *job = EV_JOB_LOAD (object);
 522
 523         ev_debug_message (DEBUG_JOBS, "%s", job->uri);
 524
 525         if (job->uri) {
 526                 g_free (job->uri);
 527                 job->uri = NULL;
 528         }
 529
 530         if (job->error) {
 531                 g_error_free (job->error);
 532                 job->error = NULL;
 533         }
 534
 535         if (job->dest) {
 536                 g_object_unref (job->dest);
 537                 job->dest = NULL;
 538         }
 539
 540         if (job->search_string) {
 541                 g_free (job->search_string);
 542                 job->search_string = NULL;
 543         }
 544
 545         (* G_OBJECT_CLASS (ev_job_load_parent_class)->dispose) (object);
 546 }
 547
 548 static void
 549 ev_job_load_class_init (EvJobLoadClass *class)
 550 {
 551         GObjectClass *oclass;
 552
 553         oclass = G_OBJECT_CLASS (class);
 554
 555         oclass->dispose = ev_job_load_dispose;
 556 }
 557
 558
 559 EvJob *
 560 ev_job_load_new (const gchar    *uri,
 561                  EvLinkDest     *dest,
 562                  EvWindowRunMode mode,
 563                  const gchar    *search_string)
 564 {
 565         EvJobLoad *job;
 566
 567         ev_debug_message (DEBUG_JOBS, "%s", uri);
 568
 569         job = g_object_new (EV_TYPE_JOB_LOAD, NULL);
 570
 571         job->uri = g_strdup (uri);
 572         if (dest)
 573                 job->dest = g_object_ref (dest);
 574
 575         job->mode = mode;
 576         if (search_string)
 577                 job->search_string = g_strdup (search_string);
 578
 579         return EV_JOB (job);
 580 }
 581
 582 void
 583 ev_job_load_set_uri (EvJobLoad *job, const gchar *uri)
 584 {
 585         ev_debug_message (DEBUG_JOBS, "%s", uri);
 586
 587         if (job->uri)
 588                 g_free (job->uri);
 589         job->uri = g_strdup (uri);
 590 }
 591
 592 void
 593 ev_job_load_run (EvJobLoad *job)
 594 {
 595         g_return_if_fail (EV_IS_JOB_LOAD (job));
 596
 597         ev_debug_message (DEBUG_JOBS, "%s", job->uri);
 598
 599         if (job->error) {
 600                 g_error_free (job->error);
 601                 job->error = NULL;
 602         }
 603
 604         ev_document_fc_mutex_lock ();
 605
 606         /* This job may already have a document even if the job didn't complete
 607            because, e.g., a password is required - if so, just reload rather than
 608            creating a new instance */
 609         if (EV_JOB (job)->document) {
 610                 ev_document_load (EV_JOB (job)->document,
 611                                   job->uri,
 612                                   &job->error);
 613         } else {
 614                 EV_JOB(job)->document =
 615                         ev_document_factory_get_document (job->uri,
 616                                                           &job->error);
 617         }
 618
 619         ev_document_fc_mutex_unlock ();
 620         EV_JOB (job)->finished = TRUE;
 621 }
 622
 623 static void ev_job_save_init (EvJobSave *job) { /* Do Nothing */ }
 624
 625 static void
 626 ev_job_save_dispose (GObject *object)
 627 {
 628         EvJobSave *job = EV_JOB_SAVE (object);
 629
 630         ev_debug_message (DEBUG_JOBS, "%s", job->uri);
 631
 632         if (job->uri) {
 633                 g_free (job->uri);
 634                 job->uri = NULL;
 635         }
 636
 637         if (job->document_uri) {
 638                 g_free (job->document_uri);
 639                 job->document_uri = NULL;
 640         }
 641
 642         if (job->error) {
 643                 g_error_free (job->error);
 644                 job->error = NULL;
 645         }
 646
 647         (* G_OBJECT_CLASS (ev_job_save_parent_class)->dispose) (object);
 648 }
 649
 650 static void
 651 ev_job_save_class_init (EvJobSaveClass *class)
 652 {
 653         GObjectClass *oclass;
 654
 655         oclass = G_OBJECT_CLASS (class);
 656
 657         oclass->dispose = ev_job_save_dispose;
 658 }
 659
 660 EvJob *
 661 ev_job_save_new (EvDocument  *document,
 662                  const gchar *uri,
 663                  const gchar *document_uri)
 664 {
 665         EvJobSave *job;
 666
 667         ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", uri, document_uri);
 668
 669         job = g_object_new (EV_TYPE_JOB_SAVE, NULL);
 670
 671         EV_JOB (job)->document = g_object_ref (document);
 672         job->uri = g_strdup (uri);
 673         job->document_uri = g_strdup (document_uri);
 674         job->error = NULL;
 675
 676         return EV_JOB (job);
 677 }
 678
 679 void
 680 ev_job_save_run (EvJobSave *job)
 681 {
 682         gint   fd;
 683         gchar *filename;
 684         gchar *tmp_filename;
 685         gchar *local_uri;
 686
 687         ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", job->uri, job->document_uri);
 688
 689         filename = ev_tmp_filename ("saveacopy");
 690         tmp_filename = g_strdup_printf ("%s.XXXXXX", filename);
 691         g_free (filename);
 692
 693         fd = g_mkstemp (tmp_filename);
 694         if (fd == -1) {
 695                 gchar *display_name;
 696                 gint   save_errno = errno;
 697
 698                 display_name = g_filename_display_name (tmp_filename);
 699                 g_set_error (&(job->error),
 700                              G_FILE_ERROR,
 701                              g_file_error_from_errno (save_errno),
 702                              _("Failed to create file “%s”: %s"),
 703                              display_name, g_strerror (save_errno));
 704                 g_free (display_name);
 705                 g_free (tmp_filename);
 706
 707                 return;
 708         }
 709
 710         ev_document_doc_mutex_lock ();
 711
 712         /* Save document to temp filename */
 713         local_uri = g_filename_to_uri (tmp_filename, NULL, NULL);
 714         ev_document_save (EV_JOB (job)->document, local_uri, &(job->error));
 715         close (fd);
 716
 717         ev_document_doc_mutex_unlock ();
 718
 719         if (job->error) {
 720                 g_free (local_uri);
 721                 return;
 722         }
 723
 724         /* If original document was compressed,
 725          * compress it again before saving
 726          */
 727         if (g_object_get_data (G_OBJECT (EV_JOB (job)->document),
 728                                "uri-uncompressed")) {
 729                 EvCompressionType ctype = EV_COMPRESSION_NONE;
 730                 const gchar      *ext;
 731                 gchar            *uri_comp;
 732
 733                 ext = g_strrstr (job->document_uri, ".gz");
 734                 if (ext && g_ascii_strcasecmp (ext, ".gz") == 0)
 735                         ctype = EV_COMPRESSION_GZIP;
 736
 737                 ext = g_strrstr (job->document_uri, ".bz2");
 738                 if (ext && g_ascii_strcasecmp (ext, ".bz2") == 0)
 739                         ctype = EV_COMPRESSION_BZIP2;
 740
 741                 uri_comp = ev_file_compress (local_uri, ctype, &(job->error));
 742                 g_free (local_uri);
 743                 ev_tmp_filename_unlink (tmp_filename);
 744
 745                 if (!uri_comp || job->error) {
 746                         local_uri = NULL;
 747                 } else {
 748                         local_uri = uri_comp;
 749                 }
 750         }
 751
 752         g_free (tmp_filename);
 753
 754         if (job->error) {
 755                 g_free (local_uri);
 756                 return;
 757         }
 758
 759         if (!local_uri)
 760                 return;
 761
 762         ev_xfer_uri_simple (local_uri, job->uri, &(job->error));
 763         ev_tmp_uri_unlink (local_uri);
 764 }
 765
 766 EvJob *
 767 ev_job_print_new (EvDocument    *document,
 768                   const gchar   *format,
 769                   gdouble        width,
 770                   gdouble        height,
 771                   EvPrintRange  *ranges,
 772                   gint           n_ranges,
 773                   EvPrintPageSet page_set,
 774                   gint           pages_per_sheet,
 775                   gint           copies,
 776                   gdouble        collate,
 777                   gdouble        reverse)
 778 {
 779         EvJobPrint *job;
 780
 781         ev_debug_message (DEBUG_JOBS, "format: %s, width: %f, height:%f,"
 782                           "n_ranges: %d, pages_per_sheet: %d, copies: %d,"
 783                           "collate: %s, reverse: %s",
 784                           format, width, height, n_ranges, pages_per_sheet, copies,
 785                           collate ? "True" : "False", reverse  ? "True" : "False");
 786
 787         job = g_object_new (EV_TYPE_JOB_PRINT, NULL);
 788
 789         EV_JOB (job)->document = g_object_ref (document);
 790
 791         job->format = format;
 792
 793         job->temp_file = NULL;
 794         job->error = NULL;
 795
 796         job->width = width;
 797         job->height = height;
 798
 799         job->ranges = ranges;
 800         job->n_ranges = n_ranges;
 801
 802         job->page_set = page_set;
 803
 804         job->pages_per_sheet = CLAMP (pages_per_sheet, 1, 16);
 805
 806         job->copies = copies;
 807         job->collate = collate;
 808         job->reverse = reverse;
 809
 810         return EV_JOB (job);
 811 }
 812
 813 static gint
 814 ev_print_job_get_first_page (EvJobPrint *job)
 815 {
 816         gint i;
 817         gint first_page = G_MAXINT;
 818
 819         if (job->n_ranges == 0)
 820                 return 0;
 821
 822         for (i = 0; i < job->n_ranges; i++) {
 823                 if (job->ranges[i].start < first_page)
 824                         first_page = job->ranges[i].start;
 825         }
 826
 827         return MAX (0, first_page);
 828 }
 829
 830 static gint
 831 ev_print_job_get_last_page (EvJobPrint *job)
 832 {
 833         gint i;
 834         gint last_page = G_MININT;
 835         gint max_page;
 836
 837         max_page = ev_document_get_n_pages (EV_JOB (job)->document) - 1;
 838
 839         if (job->n_ranges == 0)
 840                 return max_page;
 841
 842         for (i = 0; i < job->n_ranges; i++) {
 843                 if (job->ranges[i].end > last_page)
 844                         last_page = job->ranges[i].end;
 845         }
 846
 847         return MIN (max_page, last_page);
 848 }
 849
 850 static gboolean
 851 ev_print_job_print_page_in_set (EvJobPrint *job,
 852                                 gint        page)
 853 {
 854         switch (job->page_set) {
 855                 case EV_PRINT_PAGE_SET_EVEN:
 856                         return page % 2 == 0;
 857                 case EV_PRINT_PAGE_SET_ODD:
 858                         return page % 2 != 0;
 859                 case EV_PRINT_PAGE_SET_ALL:
 860                         return TRUE;
 861         }
 862
 863         return FALSE;
 864 }
 865
 866 static gint *
 867 ev_job_print_get_page_list (EvJobPrint *job,
 868                             gint       *n_pages)
 869 {
 870         gint  i, j, page, max_page;
 871         gint  pages = 0;
 872         gint *page_list;
 873
 874         max_page = ev_document_get_n_pages (EV_JOB (job)->document) - 1;
 875
 876         for (i = 0; i < job->n_ranges; i++) {
 877                 gint rsize;
 878                 gint start, end;
 879
 880                 if (job->ranges[i].start == -1)
 881                         job->ranges[i].start = 0;
 882                 if (job->ranges[i].end == -1)
 883                         job->ranges[i].end = max_page;
 884
 885                 if (job->ranges[i].start > max_page)
 886                         continue;
 887
 888                 start = job->ranges[i].start + 1;
 889                 end = job->ranges[i].end <= max_page ? job->ranges[i].end + 1 : max_page + 1;
 890                 rsize = end - start + 1;
 891
 892                 switch (job->page_set) {
 893                         case EV_PRINT_PAGE_SET_EVEN:
 894                                 pages += start % 2 == 0 ? (rsize / 2) + (rsize % 2) : (rsize / 2);
 895                                 break;
 896                         case EV_PRINT_PAGE_SET_ODD:
 897                                 pages += start % 2 != 0 ? (rsize / 2) + (rsize % 2) : (rsize / 2);
 898                                 break;
 899                         default:
 900                                 pages += rsize;
 901                                 break;
 902                 }
 903         }
 904
 905         *n_pages = pages;
 906
 907         if (pages == 0)
 908                 return NULL;
 909
 910         page_list = g_new (gint, pages);
 911
 912         page = 0;
 913         for (i = 0; i < job->n_ranges; i++) {
 914                 for (j = job->ranges[i].start; j <= job->ranges[i].end; j++) {
 915                         if (j > max_page)
 916                                 break;
 917
 918                         if (ev_print_job_print_page_in_set (job, j + 1))
 919                                 page_list[page++] = j;
 920                 }
 921         }
 922
 923         return page_list;
 924 }
 925
 926 void
 927 ev_job_print_run (EvJobPrint *job)
 928 {
 929         EvDocument            *document = EV_JOB (job)->document;
 930         EvFileExporterContext  fc;
 931         EvRenderContext       *rc;
 932         gint                   fd;
 933         gint                  *page_list;
 934         gint                   n_pages;
 935         gint                   last_page;
 936         gint                   first_page;
 937         gint                   i, j;
 938         gchar                 *filename;
 939
 940         g_return_if_fail (EV_IS_JOB_PRINT (job));
 941
 942         ev_debug_message (DEBUG_JOBS, NULL);
 943
 944         if (job->temp_file)
 945                 g_free (job->temp_file);
 946         job->temp_file = NULL;
 947
 948         if (job->error)
 949                 g_error_free (job->error);
 950         job->error = NULL;
 951
 952         filename = g_strdup_printf ("evince_print.%s.XXXXXX", job->format);
 953         fd = g_file_open_tmp (filename, &job->temp_file, &job->error);
 954         g_free (filename);
 955         if (fd <= -1) {
 956                 EV_JOB (job)->finished = TRUE;
 957                 return;
 958         }
 959
 960         page_list = ev_job_print_get_page_list (job, &n_pages);
 961         if (n_pages == 0) {
 962                 close (fd);
 963                 EV_JOB (job)->finished = TRUE;
 964                 return;
 965         }
 966
 967         first_page = ev_print_job_get_first_page (job);
 968         last_page = ev_print_job_get_last_page (job);
 969
 970         fc.format = g_ascii_strcasecmp (job->format, "pdf") == 0 ?
 971                 EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS;
 972         fc.filename = job->temp_file;
 973         fc.first_page = MIN (first_page, last_page);
 974         fc.last_page = MAX (first_page, last_page);
 975         fc.paper_width = job->width;
 976         fc.paper_height = job->height;
 977         fc.duplex = FALSE;
 978         fc.pages_per_sheet = MAX (1, job->pages_per_sheet);
 979
 980         rc = ev_render_context_new (NULL, 0, 1.0);
 981
 982         ev_document_doc_mutex_lock ();
 983         ev_file_exporter_begin (EV_FILE_EXPORTER (document), &fc);
 984
 985         for (i = 0; i < job->copies; i++) {
 986                 gint page, step;
 987                 gint n_copies;
 988
 989                 step = job->reverse ? -1 * job->pages_per_sheet : job->pages_per_sheet;
 990                 page = job->reverse ? ((n_pages - 1) / job->pages_per_sheet) * job->pages_per_sheet : 0;
 991                 n_copies = job->collate ? 1 : job->copies;
 992
 993                 while ((job->reverse && (page >= 0)) || (!job->reverse && (page < n_pages))) {
 994                         gint k;
 995
 996                         for (k = 0; k < n_copies; k++) {
 997                                 ev_file_exporter_begin_page (EV_FILE_EXPORTER (document));
 998
 999                                 for (j = 0; j < job->pages_per_sheet; j++) {
1000                                         EvPage *ev_page;
1001
1002                                         gint p = page + j;
1003
1004                                         if (p < 0 || p >= n_pages)
1005                                                 break;
1006
1007                                         ev_page = ev_document_get_page (document, page_list[p]);
1008                                         ev_render_context_set_page (rc, ev_page);
1009                                         g_object_unref (ev_page);
1010
1011                                         ev_file_exporter_do_page (EV_FILE_EXPORTER (document), rc);
1012                                 }
1013
1014                                 ev_file_exporter_end_page (EV_FILE_EXPORTER (document));
1015                         }
1016
1017                         page += step;
1018                 }
1019
1020                 if (!job->collate)
1021                         break;
1022         }
1023
1024         ev_file_exporter_end (EV_FILE_EXPORTER (document));
1025         ev_document_doc_mutex_unlock ();
1026
1027         g_free (page_list);
1028         close (fd);
1029         g_object_unref (rc);
1030
1031         EV_JOB (job)->finished = TRUE;
1032 }