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