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