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