backend/pdf/ev-poppler.cc

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