backend/pdf/ev-poppler.cc

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* pdfdocument.h: Implementation of EvDocument for PDF
   3  * Copyright (C) 2004, Red Hat, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "config.h"
  21
  22 #include <math.h>
  23 #include <string.h>
  24 #include <gtk/gtk.h>
  25 #include <poppler.h>
  26 #include <poppler-document.h>
  27 #include <poppler-page.h>
  28 #ifdef HAVE_CAIRO_PDF
  29 #include <cairo-pdf.h>
  30 #endif
  31 #ifdef HAVE_CAIRO_PS
  32 #include <cairo-ps.h>
  33 #endif
  34 #include <glib/gi18n-lib.h>
  35
  36 #include "ev-poppler.h"
  37 #include "ev-file-exporter.h"
  38 #include "ev-document-find.h"
  39 #include "ev-document-misc.h"
  40 #include "ev-document-links.h"
  41 #include "ev-document-images.h"
  42 #include "ev-document-fonts.h"
  43 #include "ev-document-security.h"
  44 #include "ev-document-thumbnails.h"
  45 #include "ev-document-transition.h"
  46 #include "ev-document-forms.h"
  47 #include "ev-document-layers.h"
  48 #include "ev-selection.h"
  49 #include "ev-transition-effect.h"
  50 #include "ev-attachment.h"
  51 #include "ev-image.h"
  52
  53 #if (defined (HAVE_POPPLER_PAGE_RENDER)) && (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
  54 #define HAVE_CAIRO_PRINT
  55 #endif
  56
  57 typedef struct {
  58         PdfDocument *document;
  59         char *text;
  60         GList **pages;
  61         guint idle;
  62         int start_page;
  63         int search_page;
  64 } PdfDocumentSearch;
  65
  66 typedef struct {
  67         EvFileExporterFormat format;
  68
  69         /* Pages per sheet */
  70         gint pages_per_sheet;
  71         gint pages_printed;
  72         gint pages_x;
  73         gint pages_y;
  74         gdouble paper_width;
  75         gdouble paper_height;
  76
  77 #ifdef HAVE_CAIRO_PRINT
  78         cairo_t *cr;
  79 #else
  80         PopplerPSFile *ps_file;
  81 #endif
  82 } PdfPrintContext;
  83
  84 struct _PdfDocumentClass
  85 {
  86         GObjectClass parent_class;
  87 };
  88
  89 struct _PdfDocument
  90 {
  91         GObject parent_instance;
  92
  93         PopplerDocument *document;
  94         gchar *password;
  95
  96         PopplerFontInfo *font_info;
  97         PopplerFontsIter *fonts_iter;
  98         int fonts_scanned_pages;
  99
 100         PdfDocumentSearch *search;
 101         PdfPrintContext *print_ctx;
 102
 103         GList *layers;
 104 };
 105
 106 static void pdf_document_document_iface_init            (EvDocumentIface           *iface);
 107 static void pdf_document_security_iface_init            (EvDocumentSecurityIface   *iface);
 108 static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
 109 static void pdf_document_document_links_iface_init      (EvDocumentLinksIface      *iface);
 110 static void pdf_document_document_images_iface_init     (EvDocumentImagesIface     *iface);
 111 static void pdf_document_document_forms_iface_init      (EvDocumentFormsIface      *iface);
 112 static void pdf_document_document_fonts_iface_init      (EvDocumentFontsIface      *iface);
 113 static void pdf_document_document_layers_iface_init     (EvDocumentLayersIface     *iface);
 114 static void pdf_document_find_iface_init                (EvDocumentFindIface       *iface);
 115 static void pdf_document_file_exporter_iface_init       (EvFileExporterIface       *iface);
 116 static void pdf_selection_iface_init                    (EvSelectionIface          *iface);
 117 static void pdf_document_page_transition_iface_init     (EvDocumentTransitionIface *iface);
 118 static void pdf_document_thumbnails_get_dimensions      (EvDocumentThumbnails      *document_thumbnails,
 119                                                          EvRenderContext           *rc,
 120                                                          gint                      *width,
 121                                                          gint                      *height);
 122 static int  pdf_document_get_n_pages                    (EvDocument                *document);
 123
 124 static EvLinkDest *ev_link_dest_from_dest   (PdfDocument       *pdf_document,
 125                                              PopplerDest       *dest);
 126 static EvLink     *ev_link_from_action      (PdfDocument       *pdf_document,
 127                                              PopplerAction     *action);
 128 static void        pdf_document_search_free (PdfDocumentSearch *search);
 129 static void        pdf_print_context_free   (PdfPrintContext   *ctx);
 130
 131 EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
 132                          {
 133                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
 134                                                                  pdf_document_security_iface_init);
 135                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
 136                                                                  pdf_document_document_thumbnails_iface_init);
 137                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
 138                                                                  pdf_document_document_links_iface_init);
 139                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,
 140                                                                  pdf_document_document_images_iface_init);
 141                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FORMS,
 142                                                                  pdf_document_document_forms_iface_init);
 143                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
 144                                                                  pdf_document_document_fonts_iface_init);
 145                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LAYERS,
 146                                                                  pdf_document_document_layers_iface_init);
 147                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
 148                                                                  pdf_document_find_iface_init);
 149                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
 150                                                                  pdf_document_file_exporter_iface_init);
 151                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
 152                                                                  pdf_selection_iface_init);
 153                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
 154                                                                  pdf_document_page_transition_iface_init);
 155                          });
 156
 157 static void
 158 pdf_document_search_free (PdfDocumentSearch   *search)
 159 {
 160         PdfDocument *pdf_document = search->document;
 161         int n_pages;
 162         int i;
 163
 164         if (search->idle != 0)
 165                 g_source_remove (search->idle);
 166
 167         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 168         for (i = 0; i < n_pages; i++) {
 169                 g_list_foreach (search->pages[i], (GFunc) g_free, NULL);
 170                 g_list_free (search->pages[i]);
 171         }
 172         g_free (search->pages);
 173
 174         g_free (search->text);
 175         g_free (search);
 176 }
 177
 178 static void
 179 pdf_document_dispose (GObject *object)
 180 {
 181         PdfDocument *pdf_document = PDF_DOCUMENT(object);
 182
 183         if (pdf_document->print_ctx) {
 184                 pdf_print_context_free (pdf_document->print_ctx);
 185                 pdf_document->print_ctx = NULL;
 186         }
 187
 188         if (pdf_document->search) {
 189                 pdf_document_search_free (pdf_document->search);
 190                 pdf_document->search = NULL;
 191         }
 192
 193         if (pdf_document->document) {
 194                 g_object_unref (pdf_document->document);
 195         }
 196
 197         if (pdf_document->font_info) {
 198                 poppler_font_info_free (pdf_document->font_info);
 199         }
 200
 201         if (pdf_document->fonts_iter) {
 202                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 203         }
 204
 205         if (pdf_document->layers) {
 206                 g_list_foreach (pdf_document->layers, (GFunc)g_object_unref, NULL);
 207                 g_list_free (pdf_document->layers);
 208         }
 209
 210         G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
 211 }
 212
 213 static void
 214 pdf_document_class_init (PdfDocumentClass *klass)
 215 {
 216         GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
 217
 218         g_object_class->dispose = pdf_document_dispose;
 219 }
 220
 221 static void
 222 pdf_document_init (PdfDocument *pdf_document)
 223 {
 224         pdf_document->password = NULL;
 225 }
 226
 227 static void
 228 convert_error (GError  *poppler_error,
 229                GError **error)
 230 {
 231         if (poppler_error == NULL)
 232                 return;
 233
 234         if (poppler_error->domain == POPPLER_ERROR) {
 235                 /* convert poppler errors into EvDocument errors */
 236                 gint code = EV_DOCUMENT_ERROR_INVALID;
 237                 if (poppler_error->code == POPPLER_ERROR_INVALID)
 238                         code = EV_DOCUMENT_ERROR_INVALID;
 239                 else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
 240                         code = EV_DOCUMENT_ERROR_ENCRYPTED;
 241
 242                 g_set_error_literal (error,
 243                                      EV_DOCUMENT_ERROR,
 244                                      code,
 245                                      poppler_error->message);
 246         } else {
 247                 g_propagate_error (error, poppler_error);
 248         }
 249 }
 250
 251
 252 /* EvDocument */
 253 static gboolean
 254 pdf_document_save (EvDocument  *document,
 255                    const char  *uri,
 256                    GError     **error)
 257 {
 258         gboolean retval;
 259         GError *poppler_error = NULL;
 260
 261         retval = poppler_document_save (PDF_DOCUMENT (document)->document,
 262                                         uri,
 263                                         &poppler_error);
 264         if (! retval)
 265                 convert_error (poppler_error, error);
 266
 267         return retval;
 268 }
 269
 270 static gboolean
 271 pdf_document_load (EvDocument   *document,
 272                    const char   *uri,
 273                    GError      **error)
 274 {
 275         GError *poppler_error = NULL;
 276         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 277
 278         pdf_document->document =
 279                 poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
 280
 281         if (pdf_document->document == NULL) {
 282                 convert_error (poppler_error, error);
 283                 return FALSE;
 284         }
 285
 286         return TRUE;
 287 }
 288
 289 static int
 290 pdf_document_get_n_pages (EvDocument *document)
 291 {
 292         return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
 293 }
 294
 295 static EvPage *
 296 pdf_document_get_page (EvDocument *document,
 297                        gint        index)
 298 {
 299         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 300         PopplerPage *poppler_page;
 301         EvPage      *page;
 302
 303         poppler_page = poppler_document_get_page (pdf_document->document, index);
 304         page = ev_page_new (index);
 305         page->backend_page = (EvBackendPage)g_object_ref (poppler_page);
 306         page->backend_destroy_func = (EvBackendPageDestroyFunc)g_object_unref;
 307         g_object_unref (poppler_page);
 308
 309         return page;
 310 }
 311
 312 static void
 313 pdf_document_get_page_size (EvDocument *document,
 314                             EvPage     *page,
 315                             double     *width,
 316                             double     *height)
 317 {
 318         g_return_if_fail (POPPLER_IS_PAGE (page->backend_page));
 319
 320         poppler_page_get_size (POPPLER_PAGE (page->backend_page), width, height);
 321 }
 322
 323 static char *
 324 pdf_document_get_page_label (EvDocument *document,
 325                              EvPage     *page)
 326 {
 327         char *label = NULL;
 328
 329         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
 330
 331         g_object_get (G_OBJECT (page->backend_page),
 332                       "label", &label,
 333                       NULL);
 334         return label;
 335 }
 336
 337 static gboolean
 338 pdf_document_has_attachments (EvDocument *document)
 339 {
 340         PdfDocument *pdf_document;
 341
 342         pdf_document = PDF_DOCUMENT (document);
 343
 344         return poppler_document_has_attachments (pdf_document->document);
 345 }
 346
 347 struct SaveToBufferData {
 348         gchar *buffer;
 349         gsize len, max;
 350 };
 351
 352 static gboolean
 353 attachment_save_to_buffer_callback (const gchar  *buf,
 354                                     gsize         count,
 355                                     gpointer      user_data,
 356                                     GError      **error)
 357 {
 358         struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
 359         gchar *new_buffer;
 360         gsize new_max;
 361
 362         if (sdata->len + count > sdata->max) {
 363                 new_max = MAX (sdata->max * 2, sdata->len + count);
 364                 new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
 365
 366                 sdata->buffer = new_buffer;
 367                 sdata->max = new_max;
 368         }
 369
 370         memcpy (sdata->buffer + sdata->len, buf, count);
 371         sdata->len += count;
 372
 373         return TRUE;
 374 }
 375
 376 static gboolean
 377 attachment_save_to_buffer (PopplerAttachment  *attachment,
 378                            gchar             **buffer,
 379                            gsize              *buffer_size,
 380                            GError            **error)
 381 {
 382         static const gint initial_max = 1024;
 383         struct SaveToBufferData sdata;
 384
 385         *buffer = NULL;
 386         *buffer_size = 0;
 387
 388         sdata.buffer = (gchar *) g_malloc (initial_max);
 389         sdata.max = initial_max;
 390         sdata.len = 0;
 391
 392         if (! poppler_attachment_save_to_callback (attachment,
 393                                                    attachment_save_to_buffer_callback,
 394                                                    &sdata,
 395                                                    error)) {
 396                 g_free (sdata.buffer);
 397                 return FALSE;
 398         }
 399
 400         *buffer = sdata.buffer;
 401         *buffer_size = sdata.len;
 402
 403         return TRUE;
 404 }
 405
 406 static GList *
 407 pdf_document_get_attachments (EvDocument *document)
 408 {
 409         PdfDocument *pdf_document;
 410         GList *attachments;
 411         GList *list;
 412         GList *retval = NULL;
 413
 414         pdf_document = PDF_DOCUMENT (document);
 415
 416         if (!pdf_document_has_attachments (document))
 417                 return NULL;
 418
 419         attachments = poppler_document_get_attachments (pdf_document->document);
 420
 421         for (list = attachments; list; list = list->next) {
 422                 PopplerAttachment *attachment;
 423                 EvAttachment *ev_attachment;
 424                 gchar *data = NULL;
 425                 gsize size;
 426                 GError *error = NULL;
 427
 428                 attachment = (PopplerAttachment *) list->data;
 429
 430                 if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
 431                         ev_attachment = ev_attachment_new (attachment->name,
 432                                                            attachment->description,
 433                                                            attachment->mtime,
 434                                                            attachment->ctime,
 435                                                            size, data);
 436
 437                         retval = g_list_prepend (retval, ev_attachment);
 438                 } else {
 439                         if (error) {
 440                                 g_warning ("%s", error->message);
 441                                 g_error_free (error);
 442
 443                                 g_free (data);
 444                         }
 445                 }
 446
 447                 g_object_unref (attachment);
 448         }
 449
 450         return g_list_reverse (retval);
 451 }
 452
 453 static cairo_surface_t *
 454 pdf_page_render (PopplerPage     *page,
 455                  gint             width,
 456                  gint             height,
 457                  EvRenderContext *rc)
 458 {
 459         cairo_surface_t *surface;
 460
 461 #ifdef HAVE_POPPLER_PAGE_RENDER
 462         cairo_t *cr;
 463
 464         surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
 465                                               width, height);
 466         memset (cairo_image_surface_get_data (surface), 0xff,
 467                 cairo_image_surface_get_height (surface) *
 468                 cairo_image_surface_get_stride (surface));
 469
 470         cr = cairo_create (surface);
 471         switch (rc->rotation) {
 472                 case 90:
 473                         cairo_translate (cr, width, 0);
 474                         break;
 475                 case 180:
 476                         cairo_translate (cr, width, height);
 477                         break;
 478                 case 270:
 479                         cairo_translate (cr, 0, height);
 480                         break;
 481                 default:
 482                         cairo_translate (cr, 0, 0);
 483         }
 484         cairo_scale (cr, rc->scale, rc->scale);
 485         cairo_rotate (cr, rc->rotation * G_PI / 180.0);
 486         poppler_page_render (page, cr);
 487         cairo_destroy (cr);
 488 #else /* HAVE_POPPLER_PAGE_RENDER */
 489         GdkPixbuf *pixbuf;
 490
 491         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
 492                                  FALSE, 8,
 493                                  width, height);
 494
 495         poppler_page_render_to_pixbuf (page,
 496                                        0, 0,
 497                                        width, height,
 498                                        rc->scale,
 499                                        rc->rotation,
 500                                        pixbuf);
 501         surface = ev_document_misc_surface_from_pixbuf (pixbuf);
 502         g_object_unref (pixbuf);
 503 #endif /* HAVE_POPPLER_PAGE_RENDER */
 504
 505         return surface;
 506 }
 507
 508 static cairo_surface_t *
 509 pdf_document_render (EvDocument      *document,
 510                      EvRenderContext *rc)
 511 {
 512         PdfDocument *pdf_document;
 513         PopplerPage *poppler_page;
 514         double width_points, height_points;
 515         gint width, height;
 516
 517         poppler_page = POPPLER_PAGE (rc->page->backend_page);
 518
 519         poppler_page_get_size (poppler_page,
 520                                &width_points, &height_points);
 521
 522         if (rc->rotation == 90 || rc->rotation == 270) {
 523                 width = (int) ((height_points * rc->scale) + 0.5);
 524                 height = (int) ((width_points * rc->scale) + 0.5);
 525         } else {
 526                 width = (int) ((width_points * rc->scale) + 0.5);
 527                 height = (int) ((height_points * rc->scale) + 0.5);
 528         }
 529
 530         return pdf_page_render (poppler_page,
 531                                 width, height, rc);
 532 }
 533
 534 /* EvDocumentSecurity */
 535
 536 static gboolean
 537 pdf_document_has_document_security (EvDocumentSecurity *document_security)
 538 {
 539         /* FIXME: do we really need to have this? */
 540         return FALSE;
 541 }
 542
 543 static void
 544 pdf_document_set_password (EvDocumentSecurity *document_security,
 545                            const char         *password)
 546 {
 547         PdfDocument *document = PDF_DOCUMENT (document_security);
 548
 549         if (document->password)
 550                 g_free (document->password);
 551
 552         document->password = g_strdup (password);
 553 }
 554
 555 static EvDocumentInfo *
 556 pdf_document_get_info (EvDocument *document)
 557 {
 558         EvDocumentInfo *info;
 559         PopplerPageLayout layout;
 560         PopplerPageMode mode;
 561         PopplerViewerPreferences view_prefs;
 562         PopplerPermissions permissions;
 563         EvPage *page;
 564
 565         info = g_new0 (EvDocumentInfo, 1);
 566
 567         info->fields_mask = EV_DOCUMENT_INFO_TITLE |
 568                             EV_DOCUMENT_INFO_FORMAT |
 569                             EV_DOCUMENT_INFO_AUTHOR |
 570                             EV_DOCUMENT_INFO_SUBJECT |
 571                             EV_DOCUMENT_INFO_KEYWORDS |
 572                             EV_DOCUMENT_INFO_LAYOUT |
 573                             EV_DOCUMENT_INFO_START_MODE |
 574                             EV_DOCUMENT_INFO_PERMISSIONS |
 575                             EV_DOCUMENT_INFO_UI_HINTS |
 576                             EV_DOCUMENT_INFO_CREATOR |
 577                             EV_DOCUMENT_INFO_PRODUCER |
 578                             EV_DOCUMENT_INFO_CREATION_DATE |
 579                             EV_DOCUMENT_INFO_MOD_DATE |
 580                             EV_DOCUMENT_INFO_LINEARIZED |
 581                             EV_DOCUMENT_INFO_N_PAGES |
 582                             EV_DOCUMENT_INFO_SECURITY |
 583                             EV_DOCUMENT_INFO_PAPER_SIZE;
 584
 585         g_object_get (PDF_DOCUMENT (document)->document,
 586                       "title", &(info->title),
 587                       "format", &(info->format),
 588                       "author", &(info->author),
 589                       "subject", &(info->subject),
 590                       "keywords", &(info->keywords),
 591                       "page-mode", &mode,
 592                       "page-layout", &layout,
 593                       "viewer-preferences", &view_prefs,
 594                       "permissions", &permissions,
 595                       "creator", &(info->creator),
 596                       "producer", &(info->producer),
 597                       "creation-date", &(info->creation_date),
 598                       "mod-date", &(info->modified_date),
 599                       "linearized", &(info->linearized),
 600                       NULL);
 601
 602         info->n_pages = ev_document_get_n_pages (document);
 603
 604         if (info->n_pages > 0) {
 605                 page = ev_document_get_page (document, 0);
 606                 ev_document_get_page_size (document, page,
 607                                            &(info->paper_width),
 608                                            &(info->paper_height));
 609                 g_object_unref (page);
 610
 611
 612                 // Convert to mm.
 613                 info->paper_width = info->paper_width / 72.0f * 25.4f;
 614                 info->paper_height = info->paper_height / 72.0f * 25.4f;
 615         }
 616
 617         switch (layout) {
 618                 case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
 619                         info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
 620                         break;
 621                 case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
 622                         info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
 623                         break;
 624                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
 625                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
 626                         break;
 627                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
 628                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
 629                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
 630                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
 631                         break;
 632                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
 633                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
 634                         break;
 635                 default:
 636                         break;
 637         }
 638
 639         switch (mode) {
 640                 case POPPLER_PAGE_MODE_NONE:
 641                         info->mode = EV_DOCUMENT_MODE_NONE;
 642                         break;
 643                 case POPPLER_PAGE_MODE_USE_THUMBS:
 644                         info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
 645                         break;
 646                 case POPPLER_PAGE_MODE_USE_OC:
 647                         info->mode = EV_DOCUMENT_MODE_USE_OC;
 648                         break;
 649                 case POPPLER_PAGE_MODE_FULL_SCREEN:
 650                         info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
 651                         break;
 652                 case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
 653                         info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
 654                 default:
 655                         break;
 656         }
 657
 658         info->ui_hints = 0;
 659         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
 660                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
 661         }
 662         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
 663                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
 664         }
 665         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
 666                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
 667         }
 668         if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
 669                 info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
 670         }
 671         if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
 672                 info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
 673         }
 674         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
 675                 info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
 676         }
 677         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
 678                 info->ui_hints |=  EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
 679         }
 680
 681         info->permissions = 0;
 682         if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
 683                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
 684         }
 685         if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
 686                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
 687         }
 688         if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
 689                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
 690         }
 691         if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
 692                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
 693         }
 694
 695         if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
 696                 /* translators: this is the document security state */
 697                 info->security = g_strdup (_("Yes"));
 698         } else {
 699                 /* translators: this is the document security state */
 700                 info->security = g_strdup (_("No"));
 701         }
 702
 703         return info;
 704 }
 705
 706 static void
 707 pdf_document_document_iface_init (EvDocumentIface *iface)
 708 {
 709         iface->save = pdf_document_save;
 710         iface->load = pdf_document_load;
 711         iface->get_n_pages = pdf_document_get_n_pages;
 712         iface->get_page = pdf_document_get_page;
 713         iface->get_page_size = pdf_document_get_page_size;
 714         iface->get_page_label = pdf_document_get_page_label;
 715         iface->has_attachments = pdf_document_has_attachments;
 716         iface->get_attachments = pdf_document_get_attachments;
 717         iface->render = pdf_document_render;
 718         iface->get_info = pdf_document_get_info;
 719 };
 720
 721 static void
 722 pdf_document_security_iface_init (EvDocumentSecurityIface *iface)
 723 {
 724         iface->has_document_security = pdf_document_has_document_security;
 725         iface->set_password = pdf_document_set_password;
 726 }
 727
 728 static gdouble
 729 pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts)
 730 {
 731         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 732         int n_pages;
 733
 734         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 735
 736         return (double)pdf_document->fonts_scanned_pages / (double)n_pages;
 737 }
 738
 739 static gboolean
 740 pdf_document_fonts_scan (EvDocumentFonts *document_fonts,
 741                          int              n_pages)
 742 {
 743         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 744         gboolean result;
 745
 746         g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE);
 747
 748         if (pdf_document->font_info == NULL) {
 749                 pdf_document->font_info = poppler_font_info_new (pdf_document->document);
 750         }
 751
 752         if (pdf_document->fonts_iter) {
 753                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 754         }
 755
 756         pdf_document->fonts_scanned_pages += n_pages;
 757
 758         result = poppler_font_info_scan (pdf_document->font_info, n_pages,
 759                                          &pdf_document->fonts_iter);
 760         if (!result) {
 761                 pdf_document->fonts_scanned_pages = 0;
 762                 poppler_font_info_free (pdf_document->font_info);
 763                 pdf_document->font_info = NULL;
 764         }
 765
 766         return result;
 767 }
 768
 769 static const char *
 770 font_type_to_string (PopplerFontType type)
 771 {
 772         switch (type) {
 773                 case POPPLER_FONT_TYPE_TYPE1:
 774                         return _("Type 1");
 775                 case POPPLER_FONT_TYPE_TYPE1C:
 776                         return _("Type 1C");
 777                 case POPPLER_FONT_TYPE_TYPE3:
 778                         return _("Type 3");
 779                 case POPPLER_FONT_TYPE_TRUETYPE:
 780                         return _("TrueType");
 781                 case POPPLER_FONT_TYPE_CID_TYPE0:
 782                         return _("Type 1 (CID)");
 783                 case POPPLER_FONT_TYPE_CID_TYPE0C:
 784                         return _("Type 1C (CID)");
 785                 case POPPLER_FONT_TYPE_CID_TYPE2:
 786                         return _("TrueType (CID)");
 787                 default:
 788                         return _("Unknown font type");
 789         }
 790 }
 791
 792 static void
 793 pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts,
 794                                GtkTreeModel    *model)
 795 {
 796         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 797         PopplerFontsIter *iter = pdf_document->fonts_iter;
 798
 799         g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
 800
 801         if (!iter)
 802                 return;
 803
 804         do {
 805                 GtkTreeIter list_iter;
 806                 const char *name;
 807                 const char *type;
 808                 const char *embedded;
 809                 char *details;
 810
 811                 name = poppler_fonts_iter_get_name (iter);
 812
 813                 if (name == NULL) {
 814                         name = _("No name");
 815                 }
 816
 817                 type = font_type_to_string (
 818                         poppler_fonts_iter_get_font_type (iter));
 819
 820                 if (poppler_fonts_iter_is_embedded (iter)) {
 821                         if (poppler_fonts_iter_is_subset (iter))
 822                                 embedded = _("Embedded subset");
 823                         else
 824                                 embedded = _("Embedded");
 825                 } else {
 826                         embedded = _("Not embedded");
 827                 }
 828
 829                 details = g_markup_printf_escaped ("%s\n%s", type, embedded);
 830
 831                 gtk_list_store_append (GTK_LIST_STORE (model), &list_iter);
 832                 gtk_list_store_set (GTK_LIST_STORE (model), &list_iter,
 833                                     EV_DOCUMENT_FONTS_COLUMN_NAME, name,
 834                                     EV_DOCUMENT_FONTS_COLUMN_DETAILS, details,
 835                                     -1);
 836
 837                 g_free (details);
 838         } while (poppler_fonts_iter_next (iter));
 839 }
 840
 841 static void
 842 pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface)
 843 {
 844         iface->fill_model = pdf_document_fonts_fill_model;
 845         iface->scan = pdf_document_fonts_scan;
 846         iface->get_progress = pdf_document_fonts_get_progress;
 847 }
 848
 849 static gboolean
 850 pdf_document_links_has_document_links (EvDocumentLinks *document_links)
 851 {
 852         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
 853         PopplerIndexIter *iter;
 854
 855         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
 856
 857         iter = poppler_index_iter_new (pdf_document->document);
 858         if (iter == NULL)
 859                 return FALSE;
 860         poppler_index_iter_free (iter);
 861
 862         return TRUE;
 863 }
 864
 865 static EvLinkDest *
 866 ev_link_dest_from_dest (PdfDocument *pdf_document,
 867                         PopplerDest *dest)
 868 {
 869         EvLinkDest *ev_dest = NULL;
 870         const char *unimplemented_dest = NULL;
 871
 872         g_assert (dest != NULL);
 873
 874         switch (dest->type) {
 875                 case POPPLER_DEST_XYZ: {
 876                         PopplerPage *poppler_page;
 877                         double height;
 878
 879                         poppler_page = poppler_document_get_page (pdf_document->document,
 880                                                                   MAX (0, dest->page_num - 1));
 881                         poppler_page_get_size (poppler_page, NULL, &height);
 882                         ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
 883                                                         dest->left,
 884                                                         height - MIN (height, dest->top),
 885                                                         dest->zoom,
 886                                                         dest->change_left,
 887                                                         dest->change_top,
 888                                                         dest->change_zoom);
 889                         g_object_unref (poppler_page);
 890                 }
 891                         break;
 892                 case POPPLER_DEST_FIT:
 893                         ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
 894                         break;
 895                 case POPPLER_DEST_FITH: {
 896                         PopplerPage *poppler_page;
 897                         double height;
 898
 899                         poppler_page = poppler_document_get_page (pdf_document->document,
 900                                                                   MAX (0, dest->page_num - 1));
 901                         poppler_page_get_size (poppler_page, NULL, &height);
 902                         ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
 903                                                          height - MIN (height, dest->top),
 904                                                          dest->change_top);
 905                         g_object_unref (poppler_page);
 906                 }
 907                         break;
 908                 case POPPLER_DEST_FITV:
 909                         ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
 910                                                          dest->left,
 911                                                          dest->change_left);
 912                         break;
 913                 case POPPLER_DEST_FITR: {
 914                         PopplerPage *poppler_page;
 915                         double height;
 916
 917                         poppler_page = poppler_document_get_page (pdf_document->document,
 918                                                                   MAX (0, dest->page_num - 1));
 919                         poppler_page_get_size (poppler_page, NULL, &height);
 920                         ev_dest = ev_link_dest_new_fitr (dest->page_num - 1,
 921                                                          dest->left,
 922                                                          height - MIN (height, dest->bottom),
 923                                                          dest->right,
 924                                                          height - MIN (height, dest->top));
 925                         g_object_unref (poppler_page);
 926                 }
 927                         break;
 928                 case POPPLER_DEST_FITB:
 929                         unimplemented_dest = "POPPLER_DEST_FITB";
 930                         break;
 931                 case POPPLER_DEST_FITBH:
 932                         unimplemented_dest = "POPPLER_DEST_FITBH";
 933                         break;
 934                 case POPPLER_DEST_FITBV:
 935                         unimplemented_dest = "POPPLER_DEST_FITBV";
 936                         break;
 937                 case POPPLER_DEST_NAMED:
 938                         ev_dest = ev_link_dest_new_named (dest->named_dest);
 939                         break;
 940                 case POPPLER_DEST_UNKNOWN:
 941                         unimplemented_dest = "POPPLER_DEST_UNKNOWN";
 942                         break;
 943         }
 944
 945         if (unimplemented_dest) {
 946                 g_warning ("Unimplemented destination: %s, please post a "
 947                            "bug report in Evince bugzilla "
 948                            "(http://bugzilla.gnome.org) with a testcase.",
 949                            unimplemented_dest);
 950         }
 951
 952         if (!ev_dest)
 953                 ev_dest = ev_link_dest_new_page (dest->page_num - 1);
 954
 955         return ev_dest;
 956 }
 957
 958 static EvLink *
 959 ev_link_from_action (PdfDocument   *pdf_document,
 960                      PopplerAction *action)
 961 {
 962         EvLink       *link = NULL;
 963         EvLinkAction *ev_action = NULL;
 964         const char   *unimplemented_action = NULL;
 965
 966         switch (action->type) {
 967                 case POPPLER_ACTION_NONE:
 968                         break;
 969                 case POPPLER_ACTION_GOTO_DEST: {
 970                         EvLinkDest *dest;
 971
 972                         dest = ev_link_dest_from_dest (pdf_document, action->goto_dest.dest);
 973                         ev_action = ev_link_action_new_dest (dest);
 974                 }
 975                         break;
 976                 case POPPLER_ACTION_GOTO_REMOTE: {
 977                         EvLinkDest *dest;
 978
 979                         dest = ev_link_dest_from_dest (pdf_document, action->goto_remote.dest);
 980                         ev_action = ev_link_action_new_remote (dest,
 981                                                                action->goto_remote.file_name);
 982
 983                 }
 984                         break;
 985                 case POPPLER_ACTION_LAUNCH:
 986                         ev_action = ev_link_action_new_launch (action->launch.file_name,
 987                                                                action->launch.params);
 988                         break;
 989                 case POPPLER_ACTION_URI:
 990                         ev_action = ev_link_action_new_external_uri (action->uri.uri);
 991                         break;
 992                 case POPPLER_ACTION_NAMED:
 993                         ev_action = ev_link_action_new_named (action->named.named_dest);
 994                         break;
 995                 case POPPLER_ACTION_MOVIE:
 996                         unimplemented_action = "POPPLER_ACTION_MOVIE";
 997                         break;
 998                 case POPPLER_ACTION_UNKNOWN:
 999                         unimplemented_action = "POPPLER_ACTION_UNKNOWN";
1000         }
1001
1002         if (unimplemented_action) {
1003                 g_warning ("Unimplemented action: %s, please post a bug report "
1004                            "in Evince bugzilla (http://bugzilla.gnome.org) "
1005                            "with a testcase.", unimplemented_action);
1006         }
1007
1008         link = ev_link_new (action->any.title, ev_action);
1009
1010         return link;
1011 }
1012
1013 static void
1014 build_tree (PdfDocument      *pdf_document,
1015             GtkTreeModel     *model,
1016             GtkTreeIter      *parent,
1017             PopplerIndexIter *iter)
1018 {
1019
1020         do {
1021                 GtkTreeIter tree_iter;
1022                 PopplerIndexIter *child;
1023                 PopplerAction *action;
1024                 EvLink *link = NULL;
1025                 gboolean expand;
1026                 char *title_markup;
1027
1028                 action = poppler_index_iter_get_action (iter);
1029                 expand = poppler_index_iter_is_open (iter);
1030
1031                 if (!action)
1032                         continue;
1033
1034                 switch (action->type) {
1035                         case POPPLER_ACTION_GOTO_DEST: {
1036                                 /* For bookmarks, solve named destinations */
1037                                 if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
1038                                         PopplerDest *dest;
1039                                         EvLinkDest *ev_dest = NULL;
1040                                         EvLinkAction *ev_action;
1041
1042                                         dest = poppler_document_find_dest (pdf_document->document,
1043                                                                            action->goto_dest.dest->named_dest);
1044                                         if (!dest) {
1045                                                 link = ev_link_from_action (pdf_document, action);
1046                                                 break;
1047                                         }
1048
1049                                         ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1050                                         poppler_dest_free (dest);
1051
1052                                         ev_action = ev_link_action_new_dest (ev_dest);
1053                                         link = ev_link_new (action->any.title, ev_action);
1054                                 } else {
1055                                         link = ev_link_from_action (pdf_document, action);
1056                                 }
1057                         }
1058                                 break;
1059                         default:
1060                                 link = ev_link_from_action (pdf_document, action);
1061                                 break;
1062                 }
1063
1064                 if (!link || strlen (ev_link_get_title (link)) <= 0) {
1065                         poppler_action_free (action);
1066                         if (link)
1067                                 g_object_unref (link);
1068
1069                         continue;
1070                 }
1071
1072                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
1073                 title_markup = g_markup_escape_text (ev_link_get_title (link), -1);
1074
1075                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
1076                                     EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
1077                                     EV_DOCUMENT_LINKS_COLUMN_LINK, link,
1078                                     EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
1079                                     -1);
1080
1081                 g_free (title_markup);
1082                 g_object_unref (link);
1083
1084                 child = poppler_index_iter_get_child (iter);
1085                 if (child)
1086                         build_tree (pdf_document, model, &tree_iter, child);
1087                 poppler_index_iter_free (child);
1088                 poppler_action_free (action);
1089
1090         } while (poppler_index_iter_next (iter));
1091 }
1092
1093 static GtkTreeModel *
1094 pdf_document_links_get_links_model (EvDocumentLinks *document_links)
1095 {
1096         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
1097         GtkTreeModel *model = NULL;
1098         PopplerIndexIter *iter;
1099
1100         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
1101
1102         iter = poppler_index_iter_new (pdf_document->document);
1103         /* Create the model if we have items*/
1104         if (iter != NULL) {
1105                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
1106                                                              G_TYPE_STRING,
1107                                                              G_TYPE_OBJECT,
1108                                                              G_TYPE_BOOLEAN,
1109                                                              G_TYPE_STRING);
1110                 build_tree (pdf_document, model, NULL, iter);
1111                 poppler_index_iter_free (iter);
1112         }
1113
1114         return model;
1115 }
1116
1117 static GList *
1118 pdf_document_links_get_links (EvDocumentLinks *document_links,
1119                               gint             page)
1120 {
1121         PdfDocument *pdf_document;
1122         PopplerPage *poppler_page;
1123         GList *retval = NULL;
1124         GList *mapping_list;
1125         GList *list;
1126         double height;
1127
1128         pdf_document = PDF_DOCUMENT (document_links);
1129         poppler_page = poppler_document_get_page (pdf_document->document,
1130                                                   page);
1131         mapping_list = poppler_page_get_link_mapping (poppler_page);
1132         poppler_page_get_size (poppler_page, NULL, &height);
1133
1134         for (list = mapping_list; list; list = list->next) {
1135                 PopplerLinkMapping *link_mapping;
1136                 EvLinkMapping *ev_link_mapping;
1137
1138                 link_mapping = (PopplerLinkMapping *)list->data;
1139                 ev_link_mapping = g_new (EvLinkMapping, 1);
1140                 ev_link_mapping->link = ev_link_from_action (pdf_document,
1141                                                              link_mapping->action);
1142                 ev_link_mapping->x1 = link_mapping->area.x1;
1143                 ev_link_mapping->x2 = link_mapping->area.x2;
1144                 /* Invert this for X-style coordinates */
1145                 ev_link_mapping->y1 = height - link_mapping->area.y2;
1146                 ev_link_mapping->y2 = height - link_mapping->area.y1;
1147
1148                 retval = g_list_prepend (retval, ev_link_mapping);
1149         }
1150
1151         poppler_page_free_link_mapping (mapping_list);
1152         g_object_unref (poppler_page);
1153
1154         return g_list_reverse (retval);
1155 }
1156
1157 static EvLinkDest *
1158 pdf_document_links_find_link_dest (EvDocumentLinks  *document_links,
1159                                    const gchar      *link_name)
1160 {
1161         PdfDocument *pdf_document;
1162         PopplerDest *dest;
1163         EvLinkDest *ev_dest = NULL;
1164
1165         pdf_document = PDF_DOCUMENT (document_links);
1166         dest = poppler_document_find_dest (pdf_document->document,
1167                                            link_name);
1168         if (dest) {
1169                 ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1170                 poppler_dest_free (dest);
1171         }
1172
1173         return ev_dest;
1174 }
1175
1176 static void
1177 pdf_document_document_links_iface_init (EvDocumentLinksIface *iface)
1178 {
1179         iface->has_document_links = pdf_document_links_has_document_links;
1180         iface->get_links_model = pdf_document_links_get_links_model;
1181         iface->get_links = pdf_document_links_get_links;
1182         iface->find_link_dest = pdf_document_links_find_link_dest;
1183 }
1184
1185 static GList *
1186 pdf_document_images_get_image_mapping (EvDocumentImages *document_images,
1187                                        gint              page)
1188 {
1189         GList *retval = NULL;
1190         PdfDocument *pdf_document;
1191         PopplerPage *poppler_page;
1192         GList *mapping_list;
1193         GList *list;
1194
1195         pdf_document = PDF_DOCUMENT (document_images);
1196         poppler_page = poppler_document_get_page (pdf_document->document, page);
1197         mapping_list = poppler_page_get_image_mapping (poppler_page);
1198
1199         for (list = mapping_list; list; list = list->next) {
1200                 PopplerImageMapping *image_mapping;
1201                 EvImageMapping *ev_image_mapping;
1202
1203                 image_mapping = (PopplerImageMapping *)list->data;
1204
1205                 ev_image_mapping = g_new (EvImageMapping, 1);
1206
1207                 ev_image_mapping->image = ev_image_new (page, image_mapping->image_id);
1208                 ev_image_mapping->x1 = image_mapping->area.x1;
1209                 ev_image_mapping->x2 = image_mapping->area.x2;
1210                 ev_image_mapping->y1 = image_mapping->area.y1;
1211                 ev_image_mapping->y2 = image_mapping->area.y2;
1212
1213                 retval = g_list_prepend (retval, ev_image_mapping);
1214         }
1215
1216         poppler_page_free_image_mapping (mapping_list);
1217         g_object_unref (poppler_page);
1218
1219         return g_list_reverse (retval);
1220 }
1221
1222 GdkPixbuf *
1223 pdf_document_images_get_image (EvDocumentImages *document_images,
1224                                EvImage          *image)
1225 {
1226         PdfDocument     *pdf_document;
1227         PopplerPage     *poppler_page;
1228         cairo_surface_t *surface;
1229         GdkPixbuf       *retval = NULL;
1230
1231         pdf_document = PDF_DOCUMENT (document_images);
1232         poppler_page = poppler_document_get_page (pdf_document->document,
1233                                                   ev_image_get_page (image));
1234
1235         surface = poppler_page_get_image (poppler_page, ev_image_get_id (image));
1236         if (surface) {
1237                 retval = ev_document_misc_pixbuf_from_surface (surface);
1238                 cairo_surface_destroy (surface);
1239         }
1240
1241         g_object_unref (poppler_page);
1242
1243         return retval;
1244 }
1245
1246 static void
1247 pdf_document_document_images_iface_init (EvDocumentImagesIface *iface)
1248 {
1249         iface->get_image_mapping = pdf_document_images_get_image_mapping;
1250         iface->get_image = pdf_document_images_get_image;
1251 }
1252
1253 static GdkPixbuf *
1254 make_thumbnail_for_page (PdfDocument     *pdf_document,
1255                          PopplerPage     *poppler_page,
1256                          EvRenderContext *rc)
1257 {
1258         GdkPixbuf *pixbuf;
1259         int width, height;
1260
1261         pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document),
1262                                                 rc, &width, &height);
1263 #ifdef POPPLER_WITH_GDK
1264         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
1265                                  width, height);
1266         gdk_pixbuf_fill (pixbuf, 0xffffffff);
1267
1268         ev_document_fc_mutex_lock ();
1269         poppler_page_render_to_pixbuf (poppler_page, 0, 0,
1270                                        width, height,
1271                                        rc->scale, rc->rotation, pixbuf);
1272         ev_document_fc_mutex_unlock ();
1273 #else
1274         cairo_surface_t *surface;
1275
1276         ev_document_fc_mutex_lock ();
1277         surface = pdf_page_render (poppler_page, width, height, rc);
1278         ev_document_fc_mutex_unlock ();
1279
1280         pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1281         cairo_surface_destroy (surface);
1282 #endif /* POPPLER_WITH_GDK */
1283
1284         return pixbuf;
1285 }
1286
1287 static GdkPixbuf *
1288 pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
1289                                        EvRenderContext      *rc,
1290                                        gboolean              border)
1291 {
1292         PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails);
1293         PopplerPage *poppler_page;
1294         GdkPixbuf *pixbuf = NULL;
1295         GdkPixbuf *border_pixbuf;
1296
1297         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1298
1299 #ifdef POPPLER_WITH_GDK
1300         pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page);
1301 #else
1302         cairo_surface_t *surface;
1303
1304         surface = poppler_page_get_thumbnail (poppler_page);
1305         if (surface) {
1306                 pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1307                 cairo_surface_destroy (surface);
1308         }
1309 #endif /* POPPLER_WITH_GDK */
1310
1311         if (pixbuf) {
1312                 /* Rotate provided thumbnail if needed */
1313                 GdkPixbuf *rotated_pixbuf;
1314
1315                 rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
1316                                                            (GdkPixbufRotation) (360 - rc->rotation));
1317                 g_object_unref (pixbuf);
1318                 pixbuf = rotated_pixbuf;
1319         } else {
1320                 /* There is no provided thumbnail.  We need to make one. */
1321                 pixbuf = make_thumbnail_for_page (pdf_document, poppler_page, rc);
1322         }
1323
1324         if (border) {
1325                 border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
1326                 g_object_unref (pixbuf);
1327                 pixbuf = border_pixbuf;
1328         }
1329
1330         return pixbuf;
1331 }
1332
1333 static void
1334 pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
1335                                         EvRenderContext      *rc,
1336                                         gint                 *width,
1337                                         gint                 *height)
1338 {
1339         PopplerPage *poppler_page;
1340         gint has_thumb;
1341
1342         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1343
1344         has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
1345
1346         if (!has_thumb || *width <= 0 || *height <= 0) {
1347                 double page_width, page_height;
1348
1349                 poppler_page_get_size (poppler_page, &page_width, &page_height);
1350
1351                 *width = (gint) MAX (page_width * rc->scale, 1);
1352                 *height = (gint) MAX (page_height * rc->scale, 1);
1353         }
1354
1355         if (rc->rotation == 90 || rc->rotation == 270) {
1356                 gint  temp;
1357
1358                 temp = *width;
1359                 *width = *height;
1360                 *height = temp;
1361         }
1362 }
1363
1364 static void
1365 pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
1366 {
1367         iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
1368         iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
1369 }
1370
1371
1372 static GList *
1373 pdf_document_find_find_text (EvDocumentFind *document_find,
1374                              EvPage         *page,
1375                              const gchar    *text,
1376                              gboolean        case_sensitive)
1377 {
1378         GList *matches, *l;
1379         PopplerPage *poppler_page;
1380         gdouble height;
1381
1382         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
1383         g_return_val_if_fail (text != NULL, NULL);
1384
1385         poppler_page = POPPLER_PAGE (page->backend_page);
1386
1387         matches = poppler_page_find_text (poppler_page, text);
1388         if (!matches)
1389                 return NULL;
1390
1391         poppler_page_get_size (poppler_page, NULL, &height);
1392         for (l = matches; l && l->data; l = g_list_next (l)) {
1393                 PopplerRectangle *rect = (PopplerRectangle *)l->data;
1394                 gdouble           tmp;
1395
1396                 tmp = rect->y1;
1397                 rect->y1 = height - rect->y2;
1398                 rect->y2 = height - tmp;
1399         }
1400
1401         return matches;
1402 }
1403
1404 static void
1405 pdf_document_find_iface_init (EvDocumentFindIface *iface)
1406 {
1407         iface->find_text = pdf_document_find_find_text;
1408 }
1409
1410 static void
1411 pdf_print_context_free (PdfPrintContext *ctx)
1412 {
1413         if (!ctx)
1414                 return;
1415
1416 #ifdef HAVE_CAIRO_PRINT
1417         if (ctx->cr) {
1418                 cairo_destroy (ctx->cr);
1419                 ctx->cr = NULL;
1420         }
1421 #else
1422         if (ctx->ps_file) {
1423                 poppler_ps_file_free (ctx->ps_file);
1424                 ctx->ps_file = NULL;
1425         }
1426 #endif
1427         g_free (ctx);
1428 }
1429
1430 static void
1431 pdf_document_file_exporter_begin (EvFileExporter        *exporter,
1432                                   EvFileExporterContext *fc)
1433 {
1434         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1435         PdfPrintContext *ctx;
1436 #ifdef HAVE_CAIRO_PRINT
1437         gdouble width, height;
1438         cairo_surface_t *surface = NULL;
1439 #endif
1440
1441         if (pdf_document->print_ctx)
1442                 pdf_print_context_free (pdf_document->print_ctx);
1443         pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
1444         ctx = pdf_document->print_ctx;
1445         ctx->format = fc->format;
1446
1447 #ifdef HAVE_CAIRO_PRINT
1448         ctx->pages_per_sheet = CLAMP (fc->pages_per_sheet, 1, 16);
1449
1450         ctx->paper_width = fc->paper_width;
1451         ctx->paper_height = fc->paper_height;
1452
1453         switch (fc->pages_per_sheet) {
1454                 default:
1455                 case 1:
1456                         ctx->pages_x = 1;
1457                         ctx->pages_y = 1;
1458                         break;
1459                 case 2:
1460                         ctx->pages_x = 1;
1461                         ctx->pages_y = 2;
1462                         break;
1463                 case 4:
1464                         ctx->pages_x = 2;
1465                         ctx->pages_y = 2;
1466                         break;
1467                 case 6:
1468                         ctx->pages_x = 2;
1469                         ctx->pages_y = 3;
1470                         break;
1471                 case 9:
1472                         ctx->pages_x = 3;
1473                         ctx->pages_y = 3;
1474                         break;
1475                 case 16:
1476                         ctx->pages_x = 4;
1477                         ctx->pages_y = 4;
1478                         break;
1479         }
1480
1481         ctx->pages_printed = 0;
1482
1483         switch (fc->format) {
1484                 case EV_FILE_FORMAT_PS:
1485 #ifdef HAVE_CAIRO_PS
1486                         surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1487 #endif
1488                         break;
1489                 case EV_FILE_FORMAT_PDF:
1490 #ifdef HAVE_CAIRO_PDF
1491                         surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1492 #endif
1493                         break;
1494                 default:
1495                         g_assert_not_reached ();
1496         }
1497
1498         ctx->cr = cairo_create (surface);
1499         cairo_surface_destroy (surface);
1500
1501 #else /* HAVE_CAIRO_PRINT */
1502         if (ctx->format == EV_FILE_FORMAT_PS) {
1503                 ctx->ps_file = poppler_ps_file_new (pdf_document->document,
1504                                                     fc->filename, fc->first_page,
1505                                                     fc->last_page - fc->first_page + 1);
1506                 poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
1507                 poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
1508         }
1509 #endif /* HAVE_CAIRO_PRINT */
1510 }
1511
1512 static void
1513 pdf_document_file_exporter_begin_page (EvFileExporter *exporter)
1514 {
1515         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1516         PdfPrintContext *ctx = pdf_document->print_ctx;
1517
1518         g_return_if_fail (pdf_document->print_ctx != NULL);
1519
1520         ctx->pages_printed = 0;
1521
1522 #ifdef HAVE_CAIRO_PRINT
1523         if (ctx->paper_width > ctx->paper_height) {
1524                 if (ctx->format == EV_FILE_FORMAT_PS) {
1525                         cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
1526                                                    ctx->paper_height,
1527                                                    ctx->paper_width);
1528                 } else if (ctx->format == EV_FILE_FORMAT_PDF) {
1529                         cairo_pdf_surface_set_size (cairo_get_target (ctx->cr),
1530                                                     ctx->paper_height,
1531                                                     ctx->paper_width);
1532                 }
1533         }
1534 #endif /* HAVE_CAIRO_PRINT */
1535 }
1536
1537 static void
1538 pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
1539                                     EvRenderContext *rc)
1540 {
1541         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1542         PdfPrintContext *ctx = pdf_document->print_ctx;
1543         PopplerPage *poppler_page;
1544 #ifdef HAVE_CAIRO_PRINT
1545         gdouble  page_width, page_height;
1546         gint     x, y;
1547         gboolean rotate;
1548         gdouble  width, height;
1549         gdouble  pwidth, pheight;
1550         gdouble  xscale, yscale;
1551 #endif
1552
1553         g_return_if_fail (pdf_document->print_ctx != NULL);
1554
1555         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1556
1557 #ifdef HAVE_CAIRO_PRINT
1558         x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x;
1559         y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x;
1560         poppler_page_get_size (poppler_page, &page_width, &page_height);
1561
1562         if (page_width > page_height && page_width > ctx->paper_width) {
1563                 rotate = TRUE;
1564         } else {
1565                 rotate = FALSE;
1566         }
1567
1568         /* Use always portrait mode and rotate when necessary */
1569         if (ctx->paper_width > ctx->paper_height) {
1570                 width = ctx->paper_height;
1571                 height = ctx->paper_width;
1572                 rotate = !rotate;
1573         } else {
1574                 width = ctx->paper_width;
1575                 height = ctx->paper_height;
1576         }
1577
1578         if (ctx->pages_per_sheet == 2 || ctx->pages_per_sheet == 6) {
1579                 rotate = !rotate;
1580         }
1581
1582         if (rotate) {
1583                 gint tmp1;
1584                 gdouble tmp2;
1585
1586                 tmp1 = x;
1587                 x = y;
1588                 y = tmp1;
1589
1590                 tmp2 = page_width;
1591                 page_width = page_height;
1592                 page_height = tmp2;
1593         }
1594
1595         pwidth = width / ctx->pages_x;
1596         pheight = height / ctx->pages_y;
1597
1598         if ((page_width > pwidth || page_height > pheight) ||
1599             (page_width < pwidth && page_height < pheight)) {
1600                 xscale = pwidth / page_width;
1601                 yscale = pheight / page_height;
1602
1603                 if (yscale < xscale) {
1604                         xscale = yscale;
1605                 } else {
1606                         yscale = xscale;
1607                 }
1608
1609         } else {
1610                 xscale = yscale = 1;
1611         }
1612
1613         /* TODO: center */
1614
1615         cairo_save (ctx->cr);
1616         if (rotate) {
1617                 cairo_matrix_t matrix;
1618
1619                 cairo_translate (ctx->cr, (2 * y + 1) * pwidth, 0);
1620                 cairo_matrix_init (&matrix,
1621                                    0,  1,
1622                                    -1,  0,
1623                                    0,  0);
1624                 cairo_transform (ctx->cr, &matrix);
1625         }
1626
1627         cairo_translate (ctx->cr,
1628                          x * (rotate ? pheight : pwidth),
1629                          y * (rotate ? pwidth : pheight));
1630         cairo_scale (ctx->cr, xscale, yscale);
1631
1632         poppler_page_render_for_printing (poppler_page, ctx->cr);
1633
1634         ctx->pages_printed++;
1635
1636         cairo_restore (ctx->cr);
1637 #else /* HAVE_CAIRO_PRINT */
1638         if (ctx->format == EV_FILE_FORMAT_PS)
1639                 poppler_page_render_to_ps (poppler_page, ctx->ps_file);
1640 #endif /* HAVE_CAIRO_PRINT */
1641 }
1642
1643 static void
1644 pdf_document_file_exporter_end_page (EvFileExporter *exporter)
1645 {
1646         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1647         PdfPrintContext *ctx = pdf_document->print_ctx;
1648
1649         g_return_if_fail (pdf_document->print_ctx != NULL);
1650
1651 #ifdef HAVE_CAIRO_PRINT
1652         cairo_show_page (ctx->cr);
1653 #endif
1654 }
1655
1656 static void
1657 pdf_document_file_exporter_end (EvFileExporter *exporter)
1658 {
1659         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1660
1661         pdf_print_context_free (pdf_document->print_ctx);
1662         pdf_document->print_ctx = NULL;
1663 }
1664
1665 static EvFileExporterCapabilities
1666 pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter)
1667 {
1668         return  (EvFileExporterCapabilities) (
1669                 EV_FILE_EXPORTER_CAN_PAGE_SET |
1670                 EV_FILE_EXPORTER_CAN_COPIES |
1671                 EV_FILE_EXPORTER_CAN_COLLATE |
1672                 EV_FILE_EXPORTER_CAN_REVERSE |
1673                 EV_FILE_EXPORTER_CAN_SCALE |
1674 #ifdef HAVE_CAIRO_PRINT
1675 #ifdef HAVE_POPPLER_PAGE_RENDER
1676                 EV_FILE_EXPORTER_CAN_NUMBER_UP |
1677 #endif
1678 #endif
1679
1680 #ifdef HAVE_CAIRO_PDF
1681 #ifdef HAVE_POPPLER_PAGE_RENDER
1682                 EV_FILE_EXPORTER_CAN_GENERATE_PDF |
1683 #endif
1684 #endif
1685                 EV_FILE_EXPORTER_CAN_GENERATE_PS);
1686 }
1687
1688 static void
1689 pdf_document_file_exporter_iface_init (EvFileExporterIface *iface)
1690 {
1691         iface->begin = pdf_document_file_exporter_begin;
1692         iface->begin_page = pdf_document_file_exporter_begin_page;
1693         iface->do_page = pdf_document_file_exporter_do_page;
1694         iface->end_page = pdf_document_file_exporter_end_page;
1695         iface->end = pdf_document_file_exporter_end;
1696         iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
1697 }
1698
1699 static void
1700 pdf_selection_render_selection (EvSelection      *selection,
1701                                 EvRenderContext  *rc,
1702                                 cairo_surface_t **surface,
1703                                 EvRectangle      *points,
1704                                 EvRectangle      *old_points,
1705                                 EvSelectionStyle  style,
1706                                 GdkColor         *text,
1707                                 GdkColor         *base)
1708 {
1709         PopplerPage *poppler_page;
1710         double width_points, height_points;
1711         gint width, height;
1712
1713         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1714
1715         poppler_page_get_size (poppler_page,
1716                                &width_points, &height_points);
1717         width = (int) ((width_points * rc->scale) + 0.5);
1718         height = (int) ((height_points * rc->scale) + 0.5);
1719
1720 #ifdef HAVE_POPPLER_PAGE_RENDER
1721         cairo_t *cr;
1722         PopplerColor text_color, base_color;
1723
1724         text_color.red = text->red;
1725         text_color.green = text->green;
1726         text_color.blue = text->blue;
1727
1728         base_color.red = base->red;
1729         base_color.green = base->green;
1730         base_color.blue = base->blue;
1731
1732         if (*surface == NULL) {
1733                 *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
1734                                                        width, height);
1735
1736         }
1737
1738         cr = cairo_create (*surface);
1739         cairo_scale (cr, rc->scale, rc->scale);
1740         cairo_surface_set_device_offset (*surface, 0, 0);
1741         memset (cairo_image_surface_get_data (*surface), 0x00,
1742                 cairo_image_surface_get_height (*surface) *
1743                 cairo_image_surface_get_stride (*surface));
1744         poppler_page_render_selection (poppler_page,
1745                                        cr,
1746                                        (PopplerRectangle *)points,
1747                                        (PopplerRectangle *)old_points,
1748                                        (PopplerSelectionStyle)style,
1749                                        &text_color,
1750                                        &base_color);
1751         cairo_destroy (cr);
1752 #else /* HAVE_POPPLER_PAGE_RENDER */
1753         GdkPixbuf *pixbuf;
1754
1755         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
1756                                  TRUE, 8,
1757                                  width, height);
1758
1759         poppler_page_render_selection_to_pixbuf (poppler_page,
1760                                                  rc->scale, rc->rotation, pixbuf,
1761                                                  (PopplerRectangle *)points,
1762                                                  (PopplerRectangle *)old_points,
1763                                                  (PopplerSelectionStyle)style,
1764                                                  text,
1765                                                  base);
1766         if (*surface)
1767                 cairo_surface_destroy (*surface);
1768         *surface = ev_document_misc_surface_from_pixbuf (pixbuf);
1769         g_object_unref (pixbuf);
1770 #endif /* HAVE_POPPLER_PAGE_RENDER */
1771 }
1772
1773 static gchar *
1774 pdf_selection_get_selected_text (EvSelection     *selection,
1775                                  EvRenderContext *rc,
1776                                  EvSelectionStyle style,
1777                                  EvRectangle     *points)
1778 {
1779         PopplerPage *poppler_page;
1780         PopplerRectangle r;
1781         double height;
1782         char *retval;
1783
1784         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1785
1786         poppler_page_get_size (poppler_page, NULL, &height);
1787         r.x1 = points->x1;
1788         r.y1 = height - points->y2;
1789         r.x2 = points->x2;
1790         r.y2 = height - points->y1;
1791
1792         retval = poppler_page_get_text (poppler_page,
1793                                         (PopplerSelectionStyle)style,
1794                                         &r);
1795
1796         return retval;
1797 }
1798
1799 static GdkRegion *
1800 create_gdk_region_from_poppler_region (GList *region)
1801 {
1802         GList *l;
1803         GdkRegion *retval;
1804
1805         retval = gdk_region_new ();
1806
1807         for (l = region; l; l = g_list_next (l)) {
1808                 PopplerRectangle *rectangle;
1809                 GdkRectangle      rect;
1810
1811                 rectangle = (PopplerRectangle *)l->data;
1812
1813                 rect.x = (gint) rectangle->x1;
1814                 rect.y = (gint) rectangle->y1;
1815                 rect.width  = (gint) (rectangle->x2 - rectangle->x1);
1816                 rect.height = (gint) (rectangle->y2 - rectangle->y1);
1817                 gdk_region_union_with_rect (retval, &rect);
1818
1819                 poppler_rectangle_free (rectangle);
1820         }
1821
1822         return retval;
1823 }
1824
1825 static GdkRegion *
1826 pdf_selection_get_selection_region (EvSelection     *selection,
1827                                     EvRenderContext *rc,
1828                                     EvSelectionStyle style,
1829                                     EvRectangle     *points)
1830 {
1831         PopplerPage *poppler_page;
1832         GdkRegion   *retval;
1833         GList       *region;
1834
1835         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1836
1837         region = poppler_page_get_selection_region (poppler_page,
1838                                                     rc->scale,
1839                                                     (PopplerSelectionStyle)style,
1840                                                     (PopplerRectangle *) points);
1841         retval = create_gdk_region_from_poppler_region (region);
1842         g_list_free (region);
1843
1844         return retval;
1845 }
1846
1847 static GdkRegion *
1848 pdf_selection_get_selection_map (EvSelection     *selection,
1849                                  EvRenderContext *rc)
1850 {
1851         PopplerPage *poppler_page;
1852         PopplerRectangle points;
1853         GList *region;
1854         GdkRegion *retval;
1855
1856         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1857
1858         points.x1 = 0.0;
1859         points.y1 = 0.0;
1860         poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
1861
1862         region = poppler_page_get_selection_region (poppler_page, 1.0,
1863                                                     POPPLER_SELECTION_GLYPH,
1864                                                     &points);
1865         retval = create_gdk_region_from_poppler_region (region);
1866         g_list_free (region);
1867
1868         return retval;
1869 }
1870
1871 static void
1872 pdf_selection_iface_init (EvSelectionIface *iface)
1873 {
1874         iface->render_selection = pdf_selection_render_selection;
1875         iface->get_selected_text = pdf_selection_get_selected_text;
1876         iface->get_selection_region = pdf_selection_get_selection_region;
1877         iface->get_selection_map = pdf_selection_get_selection_map;
1878 }
1879
1880 /* Page Transitions */
1881 static gdouble
1882 pdf_document_get_page_duration (EvDocumentTransition *trans,
1883                                 gint                  page)
1884 {
1885         PdfDocument *pdf_document;
1886         PopplerPage *poppler_page;
1887         gdouble      duration = -1;
1888
1889         pdf_document = PDF_DOCUMENT (trans);
1890         poppler_page = poppler_document_get_page (pdf_document->document, page);
1891         if (!poppler_page)
1892                 return -1;
1893
1894         duration = poppler_page_get_duration (poppler_page);
1895         g_object_unref (poppler_page);
1896
1897         return duration;
1898 }
1899
1900 static EvTransitionEffect *
1901 pdf_document_get_effect (EvDocumentTransition *trans,
1902                          gint                  page)
1903 {
1904         PdfDocument            *pdf_document;
1905         PopplerPage            *poppler_page;
1906         PopplerPageTransition  *page_transition;
1907         EvTransitionEffect     *effect;
1908
1909         pdf_document = PDF_DOCUMENT (trans);
1910         poppler_page = poppler_document_get_page (pdf_document->document, page);
1911
1912         if (!poppler_page)
1913                 return NULL;
1914
1915         page_transition = poppler_page_get_transition (poppler_page);
1916
1917         if (!page_transition) {
1918                 g_object_unref (poppler_page);
1919                 return NULL;
1920         }
1921
1922         /* enums in PopplerPageTransition match the EvTransitionEffect ones */
1923         effect = ev_transition_effect_new ((EvTransitionEffectType) page_transition->type,
1924                                            "alignment", page_transition->alignment,
1925                                            "direction", page_transition->direction,
1926                                            "duration", page_transition->duration,
1927                                            "angle", page_transition->angle,
1928                                            "scale", page_transition->scale,
1929                                            "rectangular", page_transition->rectangular,
1930                                            NULL);
1931
1932         poppler_page_transition_free (page_transition);
1933         g_object_unref (poppler_page);
1934
1935         return effect;
1936 }
1937
1938 static void
1939 pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
1940 {
1941         iface->get_page_duration = pdf_document_get_page_duration;
1942         iface->get_effect = pdf_document_get_effect;
1943 }
1944
1945 /* Forms */
1946 static void
1947 pdf_document_get_crop_box (EvDocument  *document,
1948                            int          page,
1949                            EvRectangle *rect)
1950 {
1951         PdfDocument *pdf_document;
1952         PopplerPage *poppler_page;
1953         PopplerRectangle poppler_rect;
1954
1955         pdf_document = PDF_DOCUMENT (document);
1956         poppler_page = poppler_document_get_page (pdf_document->document, page);
1957         poppler_page_get_crop_box (poppler_page, &poppler_rect);
1958         rect->x1 = poppler_rect.x1;
1959         rect->x2 = poppler_rect.x2;
1960         rect->y1 = poppler_rect.y1;
1961         rect->y2 = poppler_rect.y2;
1962 }
1963
1964 static EvFormField *
1965 ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
1966 {
1967         EvFormField *ev_field = NULL;
1968         gint         id;
1969         gdouble      font_size;
1970         gboolean     is_read_only;
1971
1972         id = poppler_form_field_get_id (poppler_field);
1973         font_size = poppler_form_field_get_font_size (poppler_field);
1974         is_read_only = poppler_form_field_is_read_only (poppler_field);
1975
1976         switch (poppler_form_field_get_field_type (poppler_field)) {
1977                 case POPPLER_FORM_FIELD_TEXT: {
1978                         EvFormFieldText    *field_text;
1979                         EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
1980
1981                         switch (poppler_form_field_text_get_text_type (poppler_field)) {
1982                                 case POPPLER_FORM_TEXT_NORMAL:
1983                                         ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
1984                                         break;
1985                                 case POPPLER_FORM_TEXT_MULTILINE:
1986                                         ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
1987                                         break;
1988                                 case POPPLER_FORM_TEXT_FILE_SELECT:
1989                                         ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
1990                                         break;
1991                         }
1992
1993                         ev_field = ev_form_field_text_new (id, ev_text_type);
1994                         field_text = EV_FORM_FIELD_TEXT (ev_field);
1995
1996                         field_text->do_spell_check = poppler_form_field_text_do_spell_check (poppler_field);
1997                         field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
1998                         field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
1999                         field_text->is_password = poppler_form_field_text_is_password (poppler_field);
2000                         field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
2001                         field_text->text = poppler_form_field_text_get_text (poppler_field);
2002
2003                 }
2004                         break;
2005                 case POPPLER_FORM_FIELD_BUTTON: {
2006                         EvFormFieldButton    *field_button;
2007                         EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2008
2009                         switch (poppler_form_field_button_get_button_type (poppler_field)) {
2010                                 case POPPLER_FORM_BUTTON_PUSH:
2011                                         ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2012                                         break;
2013                                 case POPPLER_FORM_BUTTON_CHECK:
2014                                         ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
2015                                         break;
2016                                 case POPPLER_FORM_BUTTON_RADIO:
2017                                         ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
2018                                         break;
2019                         }
2020
2021                         ev_field = ev_form_field_button_new (id, ev_button_type);
2022                         field_button = EV_FORM_FIELD_BUTTON (ev_field);
2023
2024                         field_button->state = poppler_form_field_button_get_state (poppler_field);
2025                 }
2026                         break;
2027                 case POPPLER_FORM_FIELD_CHOICE: {
2028                         EvFormFieldChoice    *field_choice;
2029                         EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2030
2031                         switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
2032                                 case POPPLER_FORM_CHOICE_COMBO:
2033                                         ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2034                                         break;
2035                                 case EV_FORM_FIELD_CHOICE_LIST:
2036                                         ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
2037                                         break;
2038                         }
2039
2040                         ev_field = ev_form_field_choice_new (id, ev_choice_type);
2041                         field_choice = EV_FORM_FIELD_CHOICE (ev_field);
2042
2043                         field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
2044                         field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
2045                         field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
2046                         field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
2047
2048                         /* TODO: we need poppler_form_field_choice_get_selected_items in poppler
2049                         field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
2050                         if (field_choice->is_editable)
2051                                 field_choice->text = poppler_form_field_choice_get_text (poppler_field);
2052                 }
2053                         break;
2054                 case POPPLER_FORM_FIELD_SIGNATURE:
2055                         /* TODO */
2056                         ev_field = ev_form_field_signature_new (id);
2057                         break;
2058                 case POPPLER_FORM_FIELD_UNKNOWN:
2059                         return NULL;
2060         }
2061
2062         ev_field->font_size = font_size;
2063         ev_field->is_read_only = is_read_only;
2064
2065         return ev_field;
2066 }
2067
2068 static GList *
2069 pdf_document_forms_get_form_fields (EvDocumentForms *document,
2070                                     EvPage          *page)
2071 {
2072         PopplerPage *poppler_page;
2073         GList *retval = NULL;
2074         GList *fields;
2075         GList *list;
2076         double height;
2077
2078         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
2079
2080         poppler_page = POPPLER_PAGE (page->backend_page);
2081         fields = poppler_page_get_form_field_mapping (poppler_page);
2082         poppler_page_get_size (poppler_page, NULL, &height);
2083
2084         for (list = fields; list; list = list->next) {
2085                 PopplerFormFieldMapping *mapping;
2086                 EvFormFieldMapping *field_mapping;
2087                 EvFormField *ev_field;
2088
2089                 mapping = (PopplerFormFieldMapping *)list->data;
2090
2091                 ev_field = ev_form_field_from_poppler_field (mapping->field);
2092                 if (!ev_field)
2093                         continue;
2094
2095                 field_mapping = g_new0 (EvFormFieldMapping, 1);
2096                 field_mapping->x1 = mapping->area.x1;
2097                 field_mapping->x2 = mapping->area.x2;
2098                 field_mapping->y1 = height - mapping->area.y2;
2099                 field_mapping->y2 = height - mapping->area.y1;
2100                 field_mapping->field = ev_field;
2101                 field_mapping->field->page = EV_PAGE (g_object_ref (page));
2102
2103                 g_object_set_data_full (G_OBJECT (ev_field),
2104                                         "poppler-field",
2105                                         g_object_ref (mapping->field),
2106                                         (GDestroyNotify) g_object_unref);
2107
2108                 retval = g_list_prepend (retval, field_mapping);
2109         }
2110
2111         poppler_page_free_form_field_mapping (fields);
2112
2113         return g_list_reverse (retval);
2114 }
2115
2116 static gchar *
2117 pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
2118                                              EvFormField     *field)
2119
2120 {
2121         PopplerFormField *poppler_field;
2122         gchar *text;
2123
2124         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2125         if (!poppler_field)
2126                 return NULL;
2127
2128         text = poppler_form_field_text_get_text (poppler_field);
2129
2130         return text;
2131 }
2132
2133 static void
2134 pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
2135                                              EvFormField     *field,
2136                                              const gchar     *text)
2137 {
2138         PopplerFormField *poppler_field;
2139
2140         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2141         if (!poppler_field)
2142                 return;
2143         poppler_form_field_text_set_text (poppler_field, text);
2144 }
2145
2146 static void
2147 pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
2148                                                 EvFormField     *field,
2149                                                 gboolean         state)
2150 {
2151         PopplerFormField *poppler_field;
2152
2153         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2154         if (!poppler_field)
2155                 return;
2156
2157         poppler_form_field_button_set_state (poppler_field, state);
2158 }
2159
2160 static gboolean
2161 pdf_document_forms_form_field_button_get_state (EvDocumentForms *document,
2162                                                 EvFormField     *field)
2163 {
2164         PopplerFormField *poppler_field;
2165         gboolean state;
2166
2167         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2168         if (!poppler_field)
2169                 return FALSE;
2170
2171         state = poppler_form_field_button_get_state (poppler_field);
2172
2173         return state;
2174 }
2175
2176 static gchar *
2177 pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document,
2178                                                EvFormField     *field,
2179                                                gint             index)
2180 {
2181         PopplerFormField *poppler_field;
2182         gchar *text;
2183
2184         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2185         if (!poppler_field)
2186                 return NULL;
2187
2188         text = poppler_form_field_choice_get_item (poppler_field, index);
2189
2190         return text;
2191 }
2192
2193 static int
2194 pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document,
2195                                                   EvFormField     *field)
2196 {
2197         PopplerFormField *poppler_field;
2198         gint n_items;
2199
2200         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2201         if (!poppler_field)
2202                 return -1;
2203
2204         n_items = poppler_form_field_choice_get_n_items (poppler_field);
2205
2206         return n_items;
2207 }
2208
2209 static gboolean
2210 pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document,
2211                                                        EvFormField     *field,
2212                                                        gint             index)
2213 {
2214         PopplerFormField *poppler_field;
2215         gboolean selected;
2216
2217         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2218         if (!poppler_field)
2219                 return FALSE;
2220
2221         selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
2222
2223         return selected;
2224 }
2225
2226 static void
2227 pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
2228                                                   EvFormField     *field,
2229                                                   gint             index)
2230 {
2231         PopplerFormField *poppler_field;
2232
2233         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2234         if (!poppler_field)
2235                 return;
2236
2237         poppler_form_field_choice_select_item (poppler_field, index);
2238 }
2239
2240 static void
2241 pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
2242                                                   EvFormField     *field,
2243                                                   gint             index)
2244 {
2245         PopplerFormField *poppler_field;
2246
2247         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2248         if (!poppler_field)
2249                 return;
2250
2251         poppler_form_field_choice_toggle_item (poppler_field, index);
2252 }
2253
2254 static void
2255 pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
2256                                                    EvFormField     *field)
2257 {
2258         PopplerFormField *poppler_field;
2259
2260         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2261         if (!poppler_field)
2262                 return;
2263
2264         poppler_form_field_choice_unselect_all (poppler_field);
2265 }
2266
2267 static void
2268 pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
2269                                                EvFormField     *field,
2270                                                const gchar     *text)
2271 {
2272         PopplerFormField *poppler_field;
2273
2274         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2275         if (!poppler_field)
2276                 return;
2277
2278         poppler_form_field_choice_set_text (poppler_field, text);
2279 }
2280
2281 static gchar *
2282 pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
2283                                                EvFormField     *field)
2284 {
2285         PopplerFormField *poppler_field;
2286         gchar *text;
2287
2288         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2289         if (!poppler_field)
2290                 return NULL;
2291
2292         text = poppler_form_field_choice_get_text (poppler_field);
2293
2294         return text;
2295 }
2296
2297 static void
2298 pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
2299 {
2300         iface->get_form_fields = pdf_document_forms_get_form_fields;
2301         iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
2302         iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
2303         iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
2304         iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
2305         iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
2306         iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
2307         iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
2308         iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
2309         iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
2310         iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
2311         iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
2312         iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
2313 }
2314
2315 /* Layers */
2316 static gboolean
2317 pdf_document_layers_has_layers (EvDocumentLayers *document)
2318 {
2319 #ifdef HAVE_POPPLER_LAYERS_ITER_NEW
2320         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2321         PopplerLayersIter *iter;
2322
2323         iter = poppler_layers_iter_new (pdf_document->document);
2324         if (!iter)
2325                 return FALSE;
2326         poppler_layers_iter_free (iter);
2327
2328         return TRUE;
2329 #else
2330         return FALSE;
2331 #endif /* HAVE_POPPLER_LAYERS_ITER_NEW */
2332 }
2333
2334 #ifdef HAVE_POPPLER_LAYERS_ITER_NEW
2335 static void
2336 build_layers_tree (PdfDocument       *pdf_document,
2337                    GtkTreeModel      *model,
2338                    GtkTreeIter       *parent,
2339                    PopplerLayersIter *iter)
2340 {
2341         do {
2342                 GtkTreeIter        tree_iter;
2343                 PopplerLayersIter *child;
2344                 PopplerLayer      *layer;
2345                 EvLayer           *ev_layer = NULL;
2346                 gboolean           visible;
2347                 gchar             *markup;
2348                 gint               rb_group = 0;
2349
2350                 layer = poppler_layers_iter_get_layer (iter);
2351                 if (layer) {
2352                         markup = g_markup_escape_text (poppler_layer_get_title (layer), -1);
2353                         visible = poppler_layer_is_visible (layer);
2354                         rb_group = poppler_layer_get_radio_button_group_id (layer);
2355                         pdf_document->layers = g_list_append (pdf_document->layers,
2356                                                               g_object_ref (layer));
2357                         ev_layer = ev_layer_new (g_list_length (pdf_document->layers) - 1,
2358                                                  poppler_layer_is_parent (layer),
2359                                                  rb_group);
2360                 } else {
2361                         gchar *title;
2362
2363                         title = poppler_layers_iter_get_title (iter);
2364                         markup = g_markup_escape_text (title, -1);
2365                         g_free (title);
2366
2367                         visible = FALSE;
2368                         layer = NULL;
2369                 }
2370
2371                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
2372                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
2373                                     EV_DOCUMENT_LAYERS_COLUMN_TITLE, markup,
2374                                     EV_DOCUMENT_LAYERS_COLUMN_VISIBLE, visible,
2375                                     EV_DOCUMENT_LAYERS_COLUMN_ENABLED, TRUE, /* FIXME */
2376                                     EV_DOCUMENT_LAYERS_COLUMN_SHOWTOGGLE, (layer != NULL),
2377                                     EV_DOCUMENT_LAYERS_COLUMN_RBGROUP, rb_group,
2378                                     EV_DOCUMENT_LAYERS_COLUMN_LAYER, ev_layer,
2379                                     -1);
2380                 if (ev_layer)
2381                         g_object_unref (ev_layer);
2382                 g_free (markup);
2383
2384                 child = poppler_layers_iter_get_child (iter);
2385                 if (child)
2386                         build_layers_tree (pdf_document, model, &tree_iter, child);
2387                 poppler_layers_iter_free (child);
2388         } while (poppler_layers_iter_next (iter));
2389 }
2390 #endif /* HAVE_POPPLER_LAYERS_ITER_NEW */
2391
2392 static GtkTreeModel *
2393 pdf_document_layers_get_layers (EvDocumentLayers *document)
2394 {
2395         GtkTreeModel *model = NULL;
2396 #ifdef HAVE_POPPLER_LAYERS_ITER_NEW
2397         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2398         PopplerLayersIter *iter;
2399
2400         iter = poppler_layers_iter_new (pdf_document->document);
2401         if (iter) {
2402                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LAYERS_N_COLUMNS,
2403                                                              G_TYPE_STRING,  /* TITLE */
2404                                                              G_TYPE_OBJECT,  /* LAYER */
2405                                                              G_TYPE_BOOLEAN, /* VISIBLE */
2406                                                              G_TYPE_BOOLEAN, /* ENABLED */
2407                                                              G_TYPE_BOOLEAN, /* SHOWTOGGLE */
2408                                                              G_TYPE_INT);    /* RBGROUP */
2409                 build_layers_tree (pdf_document, model, NULL, iter);
2410                 poppler_layers_iter_free (iter);
2411         }
2412
2413 #endif
2414         return model;
2415 }
2416
2417 static void
2418 pdf_document_layers_show_layer (EvDocumentLayers *document,
2419                                 EvLayer          *layer)
2420 {
2421 #ifdef HAVE_POPPLER_LAYERS_ITER_NEW
2422         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2423         guint        layer_id = ev_layer_get_id (layer);
2424
2425         poppler_layer_show (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
2426 #else
2427         return;
2428 #endif /* HAVE_POPPLER_LAYERS_ITER_NEW */
2429 }
2430
2431 static void
2432 pdf_document_layers_hide_layer (EvDocumentLayers *document,
2433                                 EvLayer          *layer)
2434 {
2435 #ifdef HAVE_POPPLER_LAYERS_ITER_NEW
2436         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2437         guint        layer_id = ev_layer_get_id (layer);
2438
2439         poppler_layer_hide (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
2440 #else
2441         return;
2442 #endif /* HAVE_POPPLER_LAYERS_ITER_NEW */
2443 }
2444
2445 static gboolean
2446 pdf_document_layers_layer_is_visible (EvDocumentLayers *document,
2447                                       EvLayer          *layer)
2448 {
2449 #ifdef HAVE_POPPLER_LAYERS_ITER_NEW
2450         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2451         guint        layer_id = ev_layer_get_id (layer);
2452
2453         return poppler_layer_is_visible (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
2454 #else
2455         return FALSE;
2456 #endif /* HAVE_POPPLER_LAYERS_ITER_NEW */
2457 }
2458
2459 static void
2460 pdf_document_document_layers_iface_init (EvDocumentLayersIface *iface)
2461 {
2462         iface->has_layers = pdf_document_layers_has_layers;
2463         iface->get_layers = pdf_document_layers_get_layers;
2464         iface->show_layer = pdf_document_layers_show_layer;
2465         iface->hide_layer = pdf_document_layers_hide_layer;
2466         iface->layer_is_visible = pdf_document_layers_layer_is_visible;
2467 }