backend/pdf/ev-poppler.cc

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* pdfdocument.h: Implementation of EvDocument for PDF
   3  * Copyright (C) 2004, Red Hat, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "config.h"
  21
  22 #include <math.h>
  23 #include <string.h>
  24 #include <gtk/gtk.h>
  25 #include <poppler.h>
  26 #include <poppler-document.h>
  27 #include <poppler-page.h>
  28 #ifdef HAVE_CAIRO_PDF
  29 #include <cairo-pdf.h>
  30 #endif
  31 #ifdef HAVE_CAIRO_PS
  32 #include <cairo-ps.h>
  33 #endif
  34 #include <glib/gi18n-lib.h>
  35
  36 #include "ev-poppler.h"
  37 #include "ev-file-exporter.h"
  38 #include "ev-mapping.h"
  39 #include "ev-document-find.h"
  40 #include "ev-document-misc.h"
  41 #include "ev-document-links.h"
  42 #include "ev-document-images.h"
  43 #include "ev-document-fonts.h"
  44 #include "ev-document-security.h"
  45 #include "ev-document-thumbnails.h"
  46 #include "ev-document-transition.h"
  47 #include "ev-document-forms.h"
  48 #include "ev-document-layers.h"
  49 #include "ev-document-print.h"
  50 #include "ev-document-annotations.h"
  51 #include "ev-selection.h"
  52 #include "ev-transition-effect.h"
  53 #include "ev-attachment.h"
  54 #include "ev-image.h"
  55
  56 #include <libxml/tree.h>
  57 #include <libxml/parser.h>
  58 #include <libxml/xpath.h>
  59 #include <libxml/xpathInternals.h>
  60
  61 #if (defined (HAVE_POPPLER_PAGE_RENDER)) && (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
  62 #define HAVE_CAIRO_PRINT
  63 #endif
  64
  65 typedef struct {
  66         PdfDocument *document;
  67         char *text;
  68         GList **pages;
  69         guint idle;
  70         int start_page;
  71         int search_page;
  72 } PdfDocumentSearch;
  73
  74 typedef struct {
  75         EvFileExporterFormat format;
  76
  77         /* Pages per sheet */
  78         gint pages_per_sheet;
  79         gint pages_printed;
  80         gint pages_x;
  81         gint pages_y;
  82         gdouble paper_width;
  83         gdouble paper_height;
  84
  85 #ifdef HAVE_CAIRO_PRINT
  86         cairo_t *cr;
  87 #else
  88         PopplerPSFile *ps_file;
  89 #endif
  90 } PdfPrintContext;
  91
  92 struct _PdfDocumentClass
  93 {
  94         GObjectClass parent_class;
  95 };
  96
  97 struct _PdfDocument
  98 {
  99         GObject parent_instance;
 100
 101         PopplerDocument *document;
 102         gchar *password;
 103         gboolean modified;
 104
 105         PopplerFontInfo *font_info;
 106         PopplerFontsIter *fonts_iter;
 107         int fonts_scanned_pages;
 108
 109         PdfDocumentSearch *search;
 110         PdfPrintContext *print_ctx;
 111
 112         GList *layers;
 113 };
 114
 115 static void pdf_document_document_iface_init             (EvDocumentIface            *iface);
 116 static void pdf_document_security_iface_init             (EvDocumentSecurityIface    *iface);
 117 static void pdf_document_document_thumbnails_iface_init  (EvDocumentThumbnailsIface  *iface);
 118 static void pdf_document_document_links_iface_init       (EvDocumentLinksIface       *iface);
 119 static void pdf_document_document_images_iface_init      (EvDocumentImagesIface      *iface);
 120 static void pdf_document_document_forms_iface_init       (EvDocumentFormsIface       *iface);
 121 static void pdf_document_document_fonts_iface_init       (EvDocumentFontsIface       *iface);
 122 static void pdf_document_document_layers_iface_init      (EvDocumentLayersIface      *iface);
 123 #ifdef HAVE_POPPLER_PAGE_RENDER
 124 static void pdf_document_document_print_iface_init       (EvDocumentPrintIface       *iface);
 125 #endif
 126 static void pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface);
 127 static void pdf_document_find_iface_init                 (EvDocumentFindIface        *iface);
 128 static void pdf_document_file_exporter_iface_init        (EvFileExporterIface        *iface);
 129 static void pdf_selection_iface_init                     (EvSelectionIface           *iface);
 130 static void pdf_document_page_transition_iface_init      (EvDocumentTransitionIface  *iface);
 131 static void pdf_document_thumbnails_get_dimensions       (EvDocumentThumbnails       *document_thumbnails,
 132                                                           EvRenderContext            *rc,
 133                                                           gint                       *width,
 134                                                           gint                       *height);
 135 static int  pdf_document_get_n_pages                     (EvDocument                 *document);
 136
 137 static EvLinkDest *ev_link_dest_from_dest   (PdfDocument       *pdf_document,
 138                                              PopplerDest       *dest);
 139 static EvLink     *ev_link_from_action      (PdfDocument       *pdf_document,
 140                                              PopplerAction     *action);
 141 static void        pdf_document_search_free (PdfDocumentSearch *search);
 142 static void        pdf_print_context_free   (PdfPrintContext   *ctx);
 143
 144 EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
 145                          {
 146                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
 147                                                                  pdf_document_security_iface_init);
 148                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
 149                                                                  pdf_document_document_thumbnails_iface_init);
 150                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
 151                                                                  pdf_document_document_links_iface_init);
 152                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,
 153                                                                  pdf_document_document_images_iface_init);
 154                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FORMS,
 155                                                                  pdf_document_document_forms_iface_init);
 156                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
 157                                                                  pdf_document_document_fonts_iface_init);
 158                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LAYERS,
 159                                                                  pdf_document_document_layers_iface_init);
 160 #ifdef HAVE_POPPLER_PAGE_RENDER
 161                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_PRINT,
 162                                                                  pdf_document_document_print_iface_init);
 163 #endif
 164                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_ANNOTATIONS,
 165                                                                  pdf_document_document_annotations_iface_init);
 166                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
 167                                                                  pdf_document_find_iface_init);
 168                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
 169                                                                  pdf_document_file_exporter_iface_init);
 170                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
 171                                                                  pdf_selection_iface_init);
 172                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
 173                                                                  pdf_document_page_transition_iface_init);
 174                          });
 175
 176 static void
 177 pdf_document_search_free (PdfDocumentSearch   *search)
 178 {
 179         PdfDocument *pdf_document = search->document;
 180         int n_pages;
 181         int i;
 182
 183         if (search->idle != 0)
 184                 g_source_remove (search->idle);
 185
 186         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 187         for (i = 0; i < n_pages; i++) {
 188                 g_list_foreach (search->pages[i], (GFunc) g_free, NULL);
 189                 g_list_free (search->pages[i]);
 190         }
 191         g_free (search->pages);
 192
 193         g_free (search->text);
 194         g_free (search);
 195 }
 196
 197 static void
 198 pdf_document_dispose (GObject *object)
 199 {
 200         PdfDocument *pdf_document = PDF_DOCUMENT(object);
 201
 202         if (pdf_document->print_ctx) {
 203                 pdf_print_context_free (pdf_document->print_ctx);
 204                 pdf_document->print_ctx = NULL;
 205         }
 206
 207         if (pdf_document->search) {
 208                 pdf_document_search_free (pdf_document->search);
 209                 pdf_document->search = NULL;
 210         }
 211
 212         if (pdf_document->document) {
 213                 g_object_unref (pdf_document->document);
 214         }
 215
 216         if (pdf_document->font_info) {
 217                 poppler_font_info_free (pdf_document->font_info);
 218         }
 219
 220         if (pdf_document->fonts_iter) {
 221                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 222         }
 223
 224         if (pdf_document->layers) {
 225                 g_list_foreach (pdf_document->layers, (GFunc)g_object_unref, NULL);
 226                 g_list_free (pdf_document->layers);
 227         }
 228
 229         G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
 230 }
 231
 232 static void
 233 pdf_document_class_init (PdfDocumentClass *klass)
 234 {
 235         GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
 236
 237         g_object_class->dispose = pdf_document_dispose;
 238 }
 239
 240 static void
 241 pdf_document_init (PdfDocument *pdf_document)
 242 {
 243         pdf_document->password = NULL;
 244 }
 245
 246 static void
 247 convert_error (GError  *poppler_error,
 248                GError **error)
 249 {
 250         if (poppler_error == NULL)
 251                 return;
 252
 253         if (poppler_error->domain == POPPLER_ERROR) {
 254                 /* convert poppler errors into EvDocument errors */
 255                 gint code = EV_DOCUMENT_ERROR_INVALID;
 256                 if (poppler_error->code == POPPLER_ERROR_INVALID)
 257                         code = EV_DOCUMENT_ERROR_INVALID;
 258                 else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
 259                         code = EV_DOCUMENT_ERROR_ENCRYPTED;
 260
 261                 g_set_error_literal (error,
 262                                      EV_DOCUMENT_ERROR,
 263                                      code,
 264                                      poppler_error->message);
 265
 266                 g_error_free (poppler_error);
 267         } else {
 268                 g_propagate_error (error, poppler_error);
 269         }
 270 }
 271
 272
 273 /* EvDocument */
 274 static gboolean
 275 pdf_document_save (EvDocument  *document,
 276                    const char  *uri,
 277                    GError     **error)
 278 {
 279         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 280         gboolean retval;
 281         GError *poppler_error = NULL;
 282
 283         if (pdf_document->modified) {
 284                 retval = poppler_document_save (pdf_document->document,
 285                                                 uri, &poppler_error);
 286         } else {
 287                 retval = poppler_document_save_a_copy (pdf_document->document,
 288                                                        uri, &poppler_error);
 289         }
 290
 291         if (! retval)
 292                 convert_error (poppler_error, error);
 293
 294         return retval;
 295 }
 296
 297 static gboolean
 298 pdf_document_load (EvDocument   *document,
 299                    const char   *uri,
 300                    GError      **error)
 301 {
 302         GError *poppler_error = NULL;
 303         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 304
 305         pdf_document->document =
 306                 poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
 307
 308         if (pdf_document->document == NULL) {
 309                 convert_error (poppler_error, error);
 310                 return FALSE;
 311         }
 312
 313         return TRUE;
 314 }
 315
 316 static int
 317 pdf_document_get_n_pages (EvDocument *document)
 318 {
 319         return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
 320 }
 321
 322 static EvPage *
 323 pdf_document_get_page (EvDocument *document,
 324                        gint        index)
 325 {
 326         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 327         PopplerPage *poppler_page;
 328         EvPage      *page;
 329
 330         poppler_page = poppler_document_get_page (pdf_document->document, index);
 331         page = ev_page_new (index);
 332         page->backend_page = (EvBackendPage)g_object_ref (poppler_page);
 333         page->backend_destroy_func = (EvBackendPageDestroyFunc)g_object_unref;
 334         g_object_unref (poppler_page);
 335
 336         return page;
 337 }
 338
 339 static void
 340 pdf_document_get_page_size (EvDocument *document,
 341                             EvPage     *page,
 342                             double     *width,
 343                             double     *height)
 344 {
 345         g_return_if_fail (POPPLER_IS_PAGE (page->backend_page));
 346
 347         poppler_page_get_size (POPPLER_PAGE (page->backend_page), width, height);
 348 }
 349
 350 static char *
 351 pdf_document_get_page_label (EvDocument *document,
 352                              EvPage     *page)
 353 {
 354         char *label = NULL;
 355
 356         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
 357
 358         g_object_get (G_OBJECT (page->backend_page),
 359                       "label", &label,
 360                       NULL);
 361         return label;
 362 }
 363
 364 static gboolean
 365 pdf_document_has_attachments (EvDocument *document)
 366 {
 367         PdfDocument *pdf_document;
 368
 369         pdf_document = PDF_DOCUMENT (document);
 370
 371         return poppler_document_has_attachments (pdf_document->document);
 372 }
 373
 374 struct SaveToBufferData {
 375         gchar *buffer;
 376         gsize len, max;
 377 };
 378
 379 static gboolean
 380 attachment_save_to_buffer_callback (const gchar  *buf,
 381                                     gsize         count,
 382                                     gpointer      user_data,
 383                                     GError      **error)
 384 {
 385         struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
 386         gchar *new_buffer;
 387         gsize new_max;
 388
 389         if (sdata->len + count > sdata->max) {
 390                 new_max = MAX (sdata->max * 2, sdata->len + count);
 391                 new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
 392
 393                 sdata->buffer = new_buffer;
 394                 sdata->max = new_max;
 395         }
 396
 397         memcpy (sdata->buffer + sdata->len, buf, count);
 398         sdata->len += count;
 399
 400         return TRUE;
 401 }
 402
 403 static gboolean
 404 attachment_save_to_buffer (PopplerAttachment  *attachment,
 405                            gchar             **buffer,
 406                            gsize              *buffer_size,
 407                            GError            **error)
 408 {
 409         static const gint initial_max = 1024;
 410         struct SaveToBufferData sdata;
 411
 412         *buffer = NULL;
 413         *buffer_size = 0;
 414
 415         sdata.buffer = (gchar *) g_malloc (initial_max);
 416         sdata.max = initial_max;
 417         sdata.len = 0;
 418
 419         if (! poppler_attachment_save_to_callback (attachment,
 420                                                    attachment_save_to_buffer_callback,
 421                                                    &sdata,
 422                                                    error)) {
 423                 g_free (sdata.buffer);
 424                 return FALSE;
 425         }
 426
 427         *buffer = sdata.buffer;
 428         *buffer_size = sdata.len;
 429
 430         return TRUE;
 431 }
 432
 433 static GList *
 434 pdf_document_get_attachments (EvDocument *document)
 435 {
 436         PdfDocument *pdf_document;
 437         GList *attachments;
 438         GList *list;
 439         GList *retval = NULL;
 440
 441         pdf_document = PDF_DOCUMENT (document);
 442
 443         if (!pdf_document_has_attachments (document))
 444                 return NULL;
 445
 446         attachments = poppler_document_get_attachments (pdf_document->document);
 447
 448         for (list = attachments; list; list = list->next) {
 449                 PopplerAttachment *attachment;
 450                 EvAttachment *ev_attachment;
 451                 gchar *data = NULL;
 452                 gsize size;
 453                 GError *error = NULL;
 454
 455                 attachment = (PopplerAttachment *) list->data;
 456
 457                 if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
 458                         ev_attachment = ev_attachment_new (attachment->name,
 459                                                            attachment->description,
 460                                                            attachment->mtime,
 461                                                            attachment->ctime,
 462                                                            size, data);
 463
 464                         retval = g_list_prepend (retval, ev_attachment);
 465                 } else {
 466                         if (error) {
 467                                 g_warning ("%s", error->message);
 468                                 g_error_free (error);
 469
 470                                 g_free (data);
 471                         }
 472                 }
 473
 474                 g_object_unref (attachment);
 475         }
 476
 477         return g_list_reverse (retval);
 478 }
 479
 480 static cairo_surface_t *
 481 pdf_page_render (PopplerPage     *page,
 482                  gint             width,
 483                  gint             height,
 484                  EvRenderContext *rc)
 485 {
 486         cairo_surface_t *surface;
 487
 488 #ifdef HAVE_POPPLER_PAGE_RENDER
 489         cairo_t *cr;
 490
 491         surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
 492                                               width, height);
 493         cr = cairo_create (surface);
 494
 495         switch (rc->rotation) {
 496                 case 90:
 497                         cairo_translate (cr, width, 0);
 498                         break;
 499                 case 180:
 500                         cairo_translate (cr, width, height);
 501                         break;
 502                 case 270:
 503                         cairo_translate (cr, 0, height);
 504                         break;
 505                 default:
 506                         cairo_translate (cr, 0, 0);
 507         }
 508         cairo_scale (cr, rc->scale, rc->scale);
 509         cairo_rotate (cr, rc->rotation * G_PI / 180.0);
 510         poppler_page_render (page, cr);
 511
 512         cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
 513         cairo_set_source_rgb (cr, 1., 1., 1.);
 514         cairo_paint (cr);
 515
 516         cairo_destroy (cr);
 517 #else /* HAVE_POPPLER_PAGE_RENDER */
 518         GdkPixbuf *pixbuf;
 519
 520         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
 521                                  FALSE, 8,
 522                                  width, height);
 523
 524         poppler_page_render_to_pixbuf (page,
 525                                        0, 0,
 526                                        width, height,
 527                                        rc->scale,
 528                                        rc->rotation,
 529                                        pixbuf);
 530         surface = ev_document_misc_surface_from_pixbuf (pixbuf);
 531         g_object_unref (pixbuf);
 532 #endif /* HAVE_POPPLER_PAGE_RENDER */
 533
 534         return surface;
 535 }
 536
 537 static cairo_surface_t *
 538 pdf_document_render (EvDocument      *document,
 539                      EvRenderContext *rc)
 540 {
 541         PdfDocument *pdf_document;
 542         PopplerPage *poppler_page;
 543         double width_points, height_points;
 544         gint width, height;
 545
 546         poppler_page = POPPLER_PAGE (rc->page->backend_page);
 547
 548         poppler_page_get_size (poppler_page,
 549                                &width_points, &height_points);
 550
 551         if (rc->rotation == 90 || rc->rotation == 270) {
 552                 width = (int) ((height_points * rc->scale) + 0.5);
 553                 height = (int) ((width_points * rc->scale) + 0.5);
 554         } else {
 555                 width = (int) ((width_points * rc->scale) + 0.5);
 556                 height = (int) ((height_points * rc->scale) + 0.5);
 557         }
 558
 559         return pdf_page_render (poppler_page,
 560                                 width, height, rc);
 561 }
 562
 563 /* EvDocumentSecurity */
 564
 565 static gboolean
 566 pdf_document_has_document_security (EvDocumentSecurity *document_security)
 567 {
 568         /* FIXME: do we really need to have this? */
 569         return FALSE;
 570 }
 571
 572 static void
 573 pdf_document_set_password (EvDocumentSecurity *document_security,
 574                            const char         *password)
 575 {
 576         PdfDocument *document = PDF_DOCUMENT (document_security);
 577
 578         if (document->password)
 579                 g_free (document->password);
 580
 581         document->password = g_strdup (password);
 582 }
 583
 584
 585 /* reference:
 586 http://www.pdfa.org/lib/exe/fetch.php?id=pdfa%3Aen%3Atechdoc&cache=cache&media=pdfa:techdoc:tn0001_pdfa-1_and_namespaces_2008-03-18.pdf */
 587 static char *
 588 pdf_document_get_format_from_metadata (const char *metadata)
 589 {
 590         xmlDocPtr doc;
 591         xmlXPathContextPtr xpathCtx;
 592         xmlXPathObjectPtr xpathObj;
 593         xmlChar *part = NULL;
 594         xmlChar *conf = NULL;
 595         char *result = NULL;
 596         int i;
 597
 598         doc = xmlParseMemory (metadata, strlen (metadata));
 599         if (doc == NULL)
 600                 return NULL;      /* invalid xml metadata */
 601
 602         xpathCtx = xmlXPathNewContext (doc);
 603         if (xpathCtx == NULL) {
 604                 xmlFreeDoc (doc);
 605                 return NULL;      /* invalid xpath context */
 606         }
 607
 608         /* add pdf/a namespaces */
 609         xmlXPathRegisterNs (xpathCtx, BAD_CAST "x", BAD_CAST "adobe:ns:meta/");
 610         xmlXPathRegisterNs (xpathCtx, BAD_CAST "rdf", BAD_CAST "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
 611         xmlXPathRegisterNs (xpathCtx, BAD_CAST "pdfaid", BAD_CAST "http://www.aiim.org/pdfa/ns/id/");
 612
 613         /* reads pdf/a part */
 614         /* first syntax: child node */
 615         xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:part", xpathCtx);
 616         if (xpathObj != NULL) {
 617                 if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 618                         part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 619
 620                 xmlXPathFreeObject (xpathObj);
 621         }
 622         if (part == NULL) {
 623                 /* second syntax: attribute */
 624                 xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:part", xpathCtx);
 625                 if (xpathObj != NULL) {
 626                         if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 627                                 part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 628
 629                         xmlXPathFreeObject (xpathObj);
 630                 }
 631         }
 632
 633         /* reads pdf/a conformance */
 634         /* first syntax: child node */
 635         xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:conformance", xpathCtx);
 636         if (xpathObj != NULL) {
 637                 if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 638                         conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 639
 640                 xmlXPathFreeObject (xpathObj);
 641         }
 642         if (conf == NULL) {
 643                 /* second syntax: attribute */
 644                 xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:conformance", xpathCtx);
 645                 if (xpathObj != NULL) {
 646                         if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 647                                 conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 648
 649                         xmlXPathFreeObject (xpathObj);
 650                 }
 651         }
 652
 653         if (part != NULL && conf != NULL) {
 654                 /* makes conf lowercase */
 655                 for (i = 0; conf[i]; i++)
 656                         conf[i] = g_ascii_tolower (conf[i]);
 657
 658                 /* return buffer */
 659                 result = g_strdup_printf ("PDF/A - %s%s", part, conf);
 660         }
 661
 662         /* Cleanup */
 663         xmlFree (part);
 664         xmlFree (conf);
 665         xmlXPathFreeContext (xpathCtx);
 666         xmlFreeDoc (doc);
 667
 668         return result;
 669 }
 670
 671
 672 static EvDocumentInfo *
 673 pdf_document_get_info (EvDocument *document)
 674 {
 675         EvDocumentInfo *info;
 676         PopplerPageLayout layout;
 677         PopplerPageMode mode;
 678         PopplerViewerPreferences view_prefs;
 679         PopplerPermissions permissions;
 680         EvPage *page;
 681         char *metadata;
 682         char *fmt;
 683
 684         info = g_new0 (EvDocumentInfo, 1);
 685
 686         info->fields_mask = EV_DOCUMENT_INFO_TITLE |
 687                             EV_DOCUMENT_INFO_FORMAT |
 688                             EV_DOCUMENT_INFO_AUTHOR |
 689                             EV_DOCUMENT_INFO_SUBJECT |
 690                             EV_DOCUMENT_INFO_KEYWORDS |
 691                             EV_DOCUMENT_INFO_LAYOUT |
 692                             EV_DOCUMENT_INFO_START_MODE |
 693                             EV_DOCUMENT_INFO_PERMISSIONS |
 694                             EV_DOCUMENT_INFO_UI_HINTS |
 695                             EV_DOCUMENT_INFO_CREATOR |
 696                             EV_DOCUMENT_INFO_PRODUCER |
 697                             EV_DOCUMENT_INFO_CREATION_DATE |
 698                             EV_DOCUMENT_INFO_MOD_DATE |
 699                             EV_DOCUMENT_INFO_LINEARIZED |
 700                             EV_DOCUMENT_INFO_N_PAGES |
 701                             EV_DOCUMENT_INFO_SECURITY |
 702                             EV_DOCUMENT_INFO_PAPER_SIZE;
 703
 704         g_object_get (PDF_DOCUMENT (document)->document,
 705                       "title", &(info->title),
 706                       "format", &(info->format),
 707                       "author", &(info->author),
 708                       "subject", &(info->subject),
 709                       "keywords", &(info->keywords),
 710                       "page-mode", &mode,
 711                       "page-layout", &layout,
 712                       "viewer-preferences", &view_prefs,
 713                       "permissions", &permissions,
 714                       "creator", &(info->creator),
 715                       "producer", &(info->producer),
 716                       "creation-date", &(info->creation_date),
 717                       "mod-date", &(info->modified_date),
 718                       "linearized", &(info->linearized),
 719                       "metadata", &metadata,
 720                       NULL);
 721
 722         if (metadata != NULL) {
 723                 fmt = pdf_document_get_format_from_metadata(metadata);
 724                 if (fmt != NULL) {
 725                         g_free (info->format);
 726                         info->format = fmt;
 727                 }
 728                 g_free (metadata);
 729         }
 730
 731         info->n_pages = ev_document_get_n_pages (document);
 732
 733         if (info->n_pages > 0) {
 734                 page = ev_document_get_page (document, 0);
 735                 ev_document_get_page_size (document, page,
 736                                            &(info->paper_width),
 737                                            &(info->paper_height));
 738                 g_object_unref (page);
 739
 740
 741                 // Convert to mm.
 742                 info->paper_width = info->paper_width / 72.0f * 25.4f;
 743                 info->paper_height = info->paper_height / 72.0f * 25.4f;
 744         }
 745
 746         switch (layout) {
 747                 case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
 748                         info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
 749                         break;
 750                 case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
 751                         info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
 752                         break;
 753                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
 754                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
 755                         break;
 756                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
 757                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
 758                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
 759                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
 760                         break;
 761                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
 762                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
 763                         break;
 764                 default:
 765                         break;
 766         }
 767
 768         switch (mode) {
 769                 case POPPLER_PAGE_MODE_NONE:
 770                         info->mode = EV_DOCUMENT_MODE_NONE;
 771                         break;
 772                 case POPPLER_PAGE_MODE_USE_THUMBS:
 773                         info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
 774                         break;
 775                 case POPPLER_PAGE_MODE_USE_OC:
 776                         info->mode = EV_DOCUMENT_MODE_USE_OC;
 777                         break;
 778                 case POPPLER_PAGE_MODE_FULL_SCREEN:
 779                         info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
 780                         break;
 781                 case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
 782                         info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
 783                 default:
 784                         break;
 785         }
 786
 787         info->ui_hints = 0;
 788         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
 789                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
 790         }
 791         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
 792                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
 793         }
 794         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
 795                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
 796         }
 797         if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
 798                 info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
 799         }
 800         if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
 801                 info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
 802         }
 803         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
 804                 info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
 805         }
 806         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
 807                 info->ui_hints |=  EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
 808         }
 809
 810         info->permissions = 0;
 811         if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
 812                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
 813         }
 814         if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
 815                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
 816         }
 817         if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
 818                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
 819         }
 820         if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
 821                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
 822         }
 823
 824         if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
 825                 /* translators: this is the document security state */
 826                 info->security = g_strdup (_("Yes"));
 827         } else {
 828                 /* translators: this is the document security state */
 829                 info->security = g_strdup (_("No"));
 830         }
 831
 832         return info;
 833 }
 834
 835 static void
 836 pdf_document_document_iface_init (EvDocumentIface *iface)
 837 {
 838         iface->save = pdf_document_save;
 839         iface->load = pdf_document_load;
 840         iface->get_n_pages = pdf_document_get_n_pages;
 841         iface->get_page = pdf_document_get_page;
 842         iface->get_page_size = pdf_document_get_page_size;
 843         iface->get_page_label = pdf_document_get_page_label;
 844         iface->has_attachments = pdf_document_has_attachments;
 845         iface->get_attachments = pdf_document_get_attachments;
 846         iface->render = pdf_document_render;
 847         iface->get_info = pdf_document_get_info;
 848 };
 849
 850 static void
 851 pdf_document_security_iface_init (EvDocumentSecurityIface *iface)
 852 {
 853         iface->has_document_security = pdf_document_has_document_security;
 854         iface->set_password = pdf_document_set_password;
 855 }
 856
 857 static gdouble
 858 pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts)
 859 {
 860         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 861         int n_pages;
 862
 863         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 864
 865         return (double)pdf_document->fonts_scanned_pages / (double)n_pages;
 866 }
 867
 868 static gboolean
 869 pdf_document_fonts_scan (EvDocumentFonts *document_fonts,
 870                          int              n_pages)
 871 {
 872         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 873         gboolean result;
 874
 875         g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE);
 876
 877         if (pdf_document->font_info == NULL) {
 878                 pdf_document->font_info = poppler_font_info_new (pdf_document->document);
 879         }
 880
 881         if (pdf_document->fonts_iter) {
 882                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 883         }
 884
 885         pdf_document->fonts_scanned_pages += n_pages;
 886
 887         result = poppler_font_info_scan (pdf_document->font_info, n_pages,
 888                                          &pdf_document->fonts_iter);
 889         if (!result) {
 890                 pdf_document->fonts_scanned_pages = 0;
 891                 poppler_font_info_free (pdf_document->font_info);
 892                 pdf_document->font_info = NULL;
 893         }
 894
 895         return result;
 896 }
 897
 898 static const char *
 899 font_type_to_string (PopplerFontType type)
 900 {
 901         switch (type) {
 902                 case POPPLER_FONT_TYPE_TYPE1:
 903                         return _("Type 1");
 904                 case POPPLER_FONT_TYPE_TYPE1C:
 905                         return _("Type 1C");
 906                 case POPPLER_FONT_TYPE_TYPE3:
 907                         return _("Type 3");
 908                 case POPPLER_FONT_TYPE_TRUETYPE:
 909                         return _("TrueType");
 910                 case POPPLER_FONT_TYPE_CID_TYPE0:
 911                         return _("Type 1 (CID)");
 912                 case POPPLER_FONT_TYPE_CID_TYPE0C:
 913                         return _("Type 1C (CID)");
 914                 case POPPLER_FONT_TYPE_CID_TYPE2:
 915                         return _("TrueType (CID)");
 916                 default:
 917                         return _("Unknown font type");
 918         }
 919 }
 920
 921 static void
 922 pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts,
 923                                GtkTreeModel    *model)
 924 {
 925         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 926         PopplerFontsIter *iter = pdf_document->fonts_iter;
 927
 928         g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
 929
 930         if (!iter)
 931                 return;
 932
 933         do {
 934                 GtkTreeIter list_iter;
 935                 const char *name;
 936                 const char *type;
 937                 const char *embedded;
 938                 char *details;
 939
 940                 name = poppler_fonts_iter_get_name (iter);
 941
 942                 if (name == NULL) {
 943                         name = _("No name");
 944                 }
 945
 946                 type = font_type_to_string (
 947                         poppler_fonts_iter_get_font_type (iter));
 948
 949                 if (poppler_fonts_iter_is_embedded (iter)) {
 950                         if (poppler_fonts_iter_is_subset (iter))
 951                                 embedded = _("Embedded subset");
 952                         else
 953                                 embedded = _("Embedded");
 954                 } else {
 955                         embedded = _("Not embedded");
 956                 }
 957
 958                 details = g_markup_printf_escaped ("%s\n%s", type, embedded);
 959
 960                 gtk_list_store_append (GTK_LIST_STORE (model), &list_iter);
 961                 gtk_list_store_set (GTK_LIST_STORE (model), &list_iter,
 962                                     EV_DOCUMENT_FONTS_COLUMN_NAME, name,
 963                                     EV_DOCUMENT_FONTS_COLUMN_DETAILS, details,
 964                                     -1);
 965
 966                 g_free (details);
 967         } while (poppler_fonts_iter_next (iter));
 968 }
 969
 970 static void
 971 pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface)
 972 {
 973         iface->fill_model = pdf_document_fonts_fill_model;
 974         iface->scan = pdf_document_fonts_scan;
 975         iface->get_progress = pdf_document_fonts_get_progress;
 976 }
 977
 978 static gboolean
 979 pdf_document_links_has_document_links (EvDocumentLinks *document_links)
 980 {
 981         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
 982         PopplerIndexIter *iter;
 983
 984         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
 985
 986         iter = poppler_index_iter_new (pdf_document->document);
 987         if (iter == NULL)
 988                 return FALSE;
 989         poppler_index_iter_free (iter);
 990
 991         return TRUE;
 992 }
 993
 994 static EvLinkDest *
 995 ev_link_dest_from_dest (PdfDocument *pdf_document,
 996                         PopplerDest *dest)
 997 {
 998         EvLinkDest *ev_dest = NULL;
 999         const char *unimplemented_dest = NULL;
1000
1001         g_assert (dest != NULL);
1002
1003         switch (dest->type) {
1004                 case POPPLER_DEST_XYZ: {
1005                         PopplerPage *poppler_page;
1006                         double height;
1007
1008                         poppler_page = poppler_document_get_page (pdf_document->document,
1009                                                                   MAX (0, dest->page_num - 1));
1010                         poppler_page_get_size (poppler_page, NULL, &height);
1011                         ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
1012                                                         dest->left,
1013                                                         height - MIN (height, dest->top),
1014                                                         dest->zoom,
1015                                                         dest->change_left,
1016                                                         dest->change_top,
1017                                                         dest->change_zoom);
1018                         g_object_unref (poppler_page);
1019                 }
1020                         break;
1021                 case POPPLER_DEST_FITB:
1022                 case POPPLER_DEST_FIT:
1023                         ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
1024                         break;
1025                 case POPPLER_DEST_FITBH:
1026                 case POPPLER_DEST_FITH: {
1027                         PopplerPage *poppler_page;
1028                         double height;
1029
1030                         poppler_page = poppler_document_get_page (pdf_document->document,
1031                                                                   MAX (0, dest->page_num - 1));
1032                         poppler_page_get_size (poppler_page, NULL, &height);
1033                         ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
1034                                                          height - MIN (height, dest->top),
1035                                                          dest->change_top);
1036                         g_object_unref (poppler_page);
1037                 }
1038                         break;
1039                 case POPPLER_DEST_FITBV:
1040                 case POPPLER_DEST_FITV:
1041                         ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
1042                                                          dest->left,
1043                                                          dest->change_left);
1044                         break;
1045                 case POPPLER_DEST_FITR: {
1046                         PopplerPage *poppler_page;
1047                         double height;
1048
1049                         poppler_page = poppler_document_get_page (pdf_document->document,
1050                                                                   MAX (0, dest->page_num - 1));
1051                         poppler_page_get_size (poppler_page, NULL, &height);
1052                         ev_dest = ev_link_dest_new_fitr (dest->page_num - 1,
1053                                                          dest->left,
1054                                                          height - MIN (height, dest->bottom),
1055                                                          dest->right,
1056                                                          height - MIN (height, dest->top));
1057                         g_object_unref (poppler_page);
1058                 }
1059                         break;
1060                 case POPPLER_DEST_NAMED:
1061                         ev_dest = ev_link_dest_new_named (dest->named_dest);
1062                         break;
1063                 case POPPLER_DEST_UNKNOWN:
1064                         unimplemented_dest = "POPPLER_DEST_UNKNOWN";
1065                         break;
1066         }
1067
1068         if (unimplemented_dest) {
1069                 g_warning ("Unimplemented destination: %s, please post a "
1070                            "bug report in Evince bugzilla "
1071                            "(http://bugzilla.gnome.org) with a testcase.",
1072                            unimplemented_dest);
1073         }
1074
1075         if (!ev_dest)
1076                 ev_dest = ev_link_dest_new_page (dest->page_num - 1);
1077
1078         return ev_dest;
1079 }
1080
1081 static EvLink *
1082 ev_link_from_action (PdfDocument   *pdf_document,
1083                      PopplerAction *action)
1084 {
1085         EvLink       *link = NULL;
1086         EvLinkAction *ev_action = NULL;
1087         const char   *unimplemented_action = NULL;
1088
1089         switch (action->type) {
1090                 case POPPLER_ACTION_NONE:
1091                         break;
1092                 case POPPLER_ACTION_GOTO_DEST: {
1093                         EvLinkDest *dest;
1094
1095                         dest = ev_link_dest_from_dest (pdf_document, action->goto_dest.dest);
1096                         ev_action = ev_link_action_new_dest (dest);
1097                 }
1098                         break;
1099                 case POPPLER_ACTION_GOTO_REMOTE: {
1100                         EvLinkDest *dest;
1101
1102                         dest = ev_link_dest_from_dest (pdf_document, action->goto_remote.dest);
1103                         ev_action = ev_link_action_new_remote (dest,
1104                                                                action->goto_remote.file_name);
1105
1106                 }
1107                         break;
1108                 case POPPLER_ACTION_LAUNCH:
1109                         ev_action = ev_link_action_new_launch (action->launch.file_name,
1110                                                                action->launch.params);
1111                         break;
1112                 case POPPLER_ACTION_URI:
1113                         ev_action = ev_link_action_new_external_uri (action->uri.uri);
1114                         break;
1115                 case POPPLER_ACTION_NAMED:
1116                         ev_action = ev_link_action_new_named (action->named.named_dest);
1117                         break;
1118                 case POPPLER_ACTION_MOVIE:
1119                         unimplemented_action = "POPPLER_ACTION_MOVIE";
1120                         break;
1121                 case POPPLER_ACTION_UNKNOWN:
1122                         unimplemented_action = "POPPLER_ACTION_UNKNOWN";
1123         }
1124
1125         if (unimplemented_action) {
1126                 g_warning ("Unimplemented action: %s, please post a bug report "
1127                            "in Evince bugzilla (http://bugzilla.gnome.org) "
1128                            "with a testcase.", unimplemented_action);
1129         }
1130
1131         link = ev_link_new (action->any.title, ev_action);
1132
1133         return link;
1134 }
1135
1136 static void
1137 build_tree (PdfDocument      *pdf_document,
1138             GtkTreeModel     *model,
1139             GtkTreeIter      *parent,
1140             PopplerIndexIter *iter)
1141 {
1142
1143         do {
1144                 GtkTreeIter tree_iter;
1145                 PopplerIndexIter *child;
1146                 PopplerAction *action;
1147                 EvLink *link = NULL;
1148                 gboolean expand;
1149                 char *title_markup;
1150
1151                 action = poppler_index_iter_get_action (iter);
1152                 expand = poppler_index_iter_is_open (iter);
1153
1154                 if (!action)
1155                         continue;
1156
1157                 switch (action->type) {
1158                         case POPPLER_ACTION_GOTO_DEST: {
1159                                 /* For bookmarks, solve named destinations */
1160                                 if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
1161                                         PopplerDest *dest;
1162                                         EvLinkDest *ev_dest = NULL;
1163                                         EvLinkAction *ev_action;
1164
1165                                         dest = poppler_document_find_dest (pdf_document->document,
1166                                                                            action->goto_dest.dest->named_dest);
1167                                         if (!dest) {
1168                                                 link = ev_link_from_action (pdf_document, action);
1169                                                 break;
1170                                         }
1171
1172                                         ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1173                                         poppler_dest_free (dest);
1174
1175                                         ev_action = ev_link_action_new_dest (ev_dest);
1176                                         link = ev_link_new (action->any.title, ev_action);
1177                                 } else {
1178                                         link = ev_link_from_action (pdf_document, action);
1179                                 }
1180                         }
1181                                 break;
1182                         default:
1183                                 link = ev_link_from_action (pdf_document, action);
1184                                 break;
1185                 }
1186
1187                 if (!link || strlen (ev_link_get_title (link)) <= 0) {
1188                         poppler_action_free (action);
1189                         if (link)
1190                                 g_object_unref (link);
1191
1192                         continue;
1193                 }
1194
1195                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
1196                 title_markup = g_markup_escape_text (ev_link_get_title (link), -1);
1197
1198                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
1199                                     EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
1200                                     EV_DOCUMENT_LINKS_COLUMN_LINK, link,
1201                                     EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
1202                                     -1);
1203
1204                 g_free (title_markup);
1205                 g_object_unref (link);
1206
1207                 child = poppler_index_iter_get_child (iter);
1208                 if (child)
1209                         build_tree (pdf_document, model, &tree_iter, child);
1210                 poppler_index_iter_free (child);
1211                 poppler_action_free (action);
1212
1213         } while (poppler_index_iter_next (iter));
1214 }
1215
1216 static GtkTreeModel *
1217 pdf_document_links_get_links_model (EvDocumentLinks *document_links)
1218 {
1219         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
1220         GtkTreeModel *model = NULL;
1221         PopplerIndexIter *iter;
1222
1223         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
1224
1225         iter = poppler_index_iter_new (pdf_document->document);
1226         /* Create the model if we have items*/
1227         if (iter != NULL) {
1228                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
1229                                                              G_TYPE_STRING,
1230                                                              G_TYPE_OBJECT,
1231                                                              G_TYPE_BOOLEAN,
1232                                                              G_TYPE_STRING);
1233                 build_tree (pdf_document, model, NULL, iter);
1234                 poppler_index_iter_free (iter);
1235         }
1236
1237         return model;
1238 }
1239
1240 static GList *
1241 pdf_document_links_get_links (EvDocumentLinks *document_links,
1242                               gint             page)
1243 {
1244         PdfDocument *pdf_document;
1245         PopplerPage *poppler_page;
1246         GList *retval = NULL;
1247         GList *mapping_list;
1248         GList *list;
1249         double height;
1250
1251         pdf_document = PDF_DOCUMENT (document_links);
1252         poppler_page = poppler_document_get_page (pdf_document->document,
1253                                                   page);
1254         mapping_list = poppler_page_get_link_mapping (poppler_page);
1255         poppler_page_get_size (poppler_page, NULL, &height);
1256
1257         for (list = mapping_list; list; list = list->next) {
1258                 PopplerLinkMapping *link_mapping;
1259                 EvMapping *ev_link_mapping;
1260
1261                 link_mapping = (PopplerLinkMapping *)list->data;
1262                 ev_link_mapping = g_new (EvMapping, 1);
1263                 ev_link_mapping->data = ev_link_from_action (pdf_document,
1264                                                              link_mapping->action);
1265                 ev_link_mapping->area.x1 = link_mapping->area.x1;
1266                 ev_link_mapping->area.x2 = link_mapping->area.x2;
1267                 /* Invert this for X-style coordinates */
1268                 ev_link_mapping->area.y1 = height - link_mapping->area.y2;
1269                 ev_link_mapping->area.y2 = height - link_mapping->area.y1;
1270
1271                 retval = g_list_prepend (retval, ev_link_mapping);
1272         }
1273
1274         poppler_page_free_link_mapping (mapping_list);
1275         g_object_unref (poppler_page);
1276
1277         return g_list_reverse (retval);
1278 }
1279
1280 static EvLinkDest *
1281 pdf_document_links_find_link_dest (EvDocumentLinks  *document_links,
1282                                    const gchar      *link_name)
1283 {
1284         PdfDocument *pdf_document;
1285         PopplerDest *dest;
1286         EvLinkDest *ev_dest = NULL;
1287
1288         pdf_document = PDF_DOCUMENT (document_links);
1289         dest = poppler_document_find_dest (pdf_document->document,
1290                                            link_name);
1291         if (dest) {
1292                 ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1293                 poppler_dest_free (dest);
1294         }
1295
1296         return ev_dest;
1297 }
1298
1299 static void
1300 pdf_document_document_links_iface_init (EvDocumentLinksIface *iface)
1301 {
1302         iface->has_document_links = pdf_document_links_has_document_links;
1303         iface->get_links_model = pdf_document_links_get_links_model;
1304         iface->get_links = pdf_document_links_get_links;
1305         iface->find_link_dest = pdf_document_links_find_link_dest;
1306 }
1307
1308 static GList *
1309 pdf_document_images_get_image_mapping (EvDocumentImages *document_images,
1310                                        gint              page)
1311 {
1312         GList *retval = NULL;
1313         PdfDocument *pdf_document;
1314         PopplerPage *poppler_page;
1315         GList *mapping_list;
1316         GList *list;
1317
1318         pdf_document = PDF_DOCUMENT (document_images);
1319         poppler_page = poppler_document_get_page (pdf_document->document, page);
1320         mapping_list = poppler_page_get_image_mapping (poppler_page);
1321
1322         for (list = mapping_list; list; list = list->next) {
1323                 PopplerImageMapping *image_mapping;
1324                 EvMapping *ev_image_mapping;
1325
1326                 image_mapping = (PopplerImageMapping *)list->data;
1327
1328                 ev_image_mapping = g_new (EvMapping, 1);
1329
1330                 ev_image_mapping->data = ev_image_new (page, image_mapping->image_id);
1331                 ev_image_mapping->area.x1 = image_mapping->area.x1;
1332                 ev_image_mapping->area.y1 = image_mapping->area.y1;
1333                 ev_image_mapping->area.x2 = image_mapping->area.x2;
1334                 ev_image_mapping->area.y2 = image_mapping->area.y2;
1335
1336                 retval = g_list_prepend (retval, ev_image_mapping);
1337         }
1338
1339         poppler_page_free_image_mapping (mapping_list);
1340         g_object_unref (poppler_page);
1341
1342         return g_list_reverse (retval);
1343 }
1344
1345 GdkPixbuf *
1346 pdf_document_images_get_image (EvDocumentImages *document_images,
1347                                EvImage          *image)
1348 {
1349         GdkPixbuf       *retval = NULL;
1350 #ifdef HAVE_POPPLER_PAGE_GET_IMAGE
1351         PdfDocument     *pdf_document;
1352         PopplerPage     *poppler_page;
1353         cairo_surface_t *surface;
1354
1355         pdf_document = PDF_DOCUMENT (document_images);
1356         poppler_page = poppler_document_get_page (pdf_document->document,
1357                                                   ev_image_get_page (image));
1358
1359         surface = poppler_page_get_image (poppler_page, ev_image_get_id (image));
1360         if (surface) {
1361                 retval = ev_document_misc_pixbuf_from_surface (surface);
1362                 cairo_surface_destroy (surface);
1363         }
1364
1365         g_object_unref (poppler_page);
1366 #endif
1367         return retval;
1368 }
1369
1370 static void
1371 pdf_document_document_images_iface_init (EvDocumentImagesIface *iface)
1372 {
1373         iface->get_image_mapping = pdf_document_images_get_image_mapping;
1374         iface->get_image = pdf_document_images_get_image;
1375 }
1376
1377 static GdkPixbuf *
1378 make_thumbnail_for_page (PopplerPage     *poppler_page,
1379                          EvRenderContext *rc,
1380                          gint             width,
1381                          gint             height)
1382 {
1383         GdkPixbuf *pixbuf;
1384
1385 #ifdef POPPLER_WITH_GDK
1386         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
1387                                  width, height);
1388         gdk_pixbuf_fill (pixbuf, 0xffffffff);
1389
1390         ev_document_fc_mutex_lock ();
1391         poppler_page_render_to_pixbuf (poppler_page, 0, 0,
1392                                        width, height,
1393                                        rc->scale, rc->rotation, pixbuf);
1394         ev_document_fc_mutex_unlock ();
1395 #else
1396         cairo_surface_t *surface;
1397
1398         ev_document_fc_mutex_lock ();
1399         surface = pdf_page_render (poppler_page, width, height, rc);
1400         ev_document_fc_mutex_unlock ();
1401
1402         pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1403         cairo_surface_destroy (surface);
1404 #endif /* POPPLER_WITH_GDK */
1405
1406         return pixbuf;
1407 }
1408
1409 static GdkPixbuf *
1410 pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
1411                                        EvRenderContext      *rc,
1412                                        gboolean              border)
1413 {
1414         PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails);
1415         PopplerPage *poppler_page;
1416         GdkPixbuf *pixbuf = NULL;
1417         GdkPixbuf *border_pixbuf;
1418         gint width, height;
1419
1420         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1421
1422         pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document),
1423                                                 rc, &width, &height);
1424
1425 #ifdef POPPLER_WITH_GDK
1426         pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page);
1427 #else
1428         cairo_surface_t *surface;
1429
1430         surface = poppler_page_get_thumbnail (poppler_page);
1431         if (surface) {
1432                 pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1433                 cairo_surface_destroy (surface);
1434         }
1435 #endif /* POPPLER_WITH_GDK */
1436
1437         if (pixbuf != NULL) {
1438                 int thumb_width = (rc->rotation == 90 || rc->rotation == 270) ?
1439                         gdk_pixbuf_get_height (pixbuf) :
1440                         gdk_pixbuf_get_width (pixbuf);
1441
1442                 if (thumb_width == width) {
1443                         GdkPixbuf *rotated_pixbuf;
1444
1445                         rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
1446                                                                    (GdkPixbufRotation) (360 - rc->rotation));
1447                         g_object_unref (pixbuf);
1448                         pixbuf = rotated_pixbuf;
1449                 } else {
1450                         /* The provided thumbnail has a different size */
1451                         g_object_unref (pixbuf);
1452                         pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height);
1453                 }
1454         } else {
1455                 /* There is no provided thumbnail. We need to make one. */
1456                 pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height);
1457         }
1458
1459         if (border && pixbuf) {
1460                 border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
1461                 g_object_unref (pixbuf);
1462                 pixbuf = border_pixbuf;
1463         }
1464
1465         return pixbuf;
1466 }
1467
1468 static void
1469 pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
1470                                         EvRenderContext      *rc,
1471                                         gint                 *width,
1472                                         gint                 *height)
1473 {
1474         double page_width, page_height;
1475
1476         poppler_page_get_size (POPPLER_PAGE (rc->page->backend_page),
1477                                &page_width, &page_height);
1478
1479         *width = MAX ((gint)(page_width * rc->scale + 0.5), 1);
1480         *height = MAX ((gint)(page_height * rc->scale + 0.5), 1);
1481
1482         if (rc->rotation == 90 || rc->rotation == 270) {
1483                 gint  temp;
1484
1485                 temp = *width;
1486                 *width = *height;
1487                 *height = temp;
1488         }
1489 }
1490
1491 static void
1492 pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
1493 {
1494         iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
1495         iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
1496 }
1497
1498
1499 static GList *
1500 pdf_document_find_find_text (EvDocumentFind *document_find,
1501                              EvPage         *page,
1502                              const gchar    *text,
1503                              gboolean        case_sensitive)
1504 {
1505         GList *matches, *l;
1506         PopplerPage *poppler_page;
1507         gdouble height;
1508
1509         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
1510         g_return_val_if_fail (text != NULL, NULL);
1511
1512         poppler_page = POPPLER_PAGE (page->backend_page);
1513
1514         matches = poppler_page_find_text (poppler_page, text);
1515         if (!matches)
1516                 return NULL;
1517
1518         poppler_page_get_size (poppler_page, NULL, &height);
1519         for (l = matches; l && l->data; l = g_list_next (l)) {
1520                 PopplerRectangle *rect = (PopplerRectangle *)l->data;
1521                 gdouble           tmp;
1522
1523                 tmp = rect->y1;
1524                 rect->y1 = height - rect->y2;
1525                 rect->y2 = height - tmp;
1526         }
1527
1528         return matches;
1529 }
1530
1531 static void
1532 pdf_document_find_iface_init (EvDocumentFindIface *iface)
1533 {
1534         iface->find_text = pdf_document_find_find_text;
1535 }
1536
1537 static void
1538 pdf_print_context_free (PdfPrintContext *ctx)
1539 {
1540         if (!ctx)
1541                 return;
1542
1543 #ifdef HAVE_CAIRO_PRINT
1544         if (ctx->cr) {
1545                 cairo_destroy (ctx->cr);
1546                 ctx->cr = NULL;
1547         }
1548 #else
1549         if (ctx->ps_file) {
1550                 poppler_ps_file_free (ctx->ps_file);
1551                 ctx->ps_file = NULL;
1552         }
1553 #endif
1554         g_free (ctx);
1555 }
1556
1557 static void
1558 pdf_document_file_exporter_begin (EvFileExporter        *exporter,
1559                                   EvFileExporterContext *fc)
1560 {
1561         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1562         PdfPrintContext *ctx;
1563 #ifdef HAVE_CAIRO_PRINT
1564         gdouble width, height;
1565         cairo_surface_t *surface = NULL;
1566 #endif
1567
1568         if (pdf_document->print_ctx)
1569                 pdf_print_context_free (pdf_document->print_ctx);
1570         pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
1571         ctx = pdf_document->print_ctx;
1572         ctx->format = fc->format;
1573
1574 #ifdef HAVE_CAIRO_PRINT
1575         ctx->pages_per_sheet = CLAMP (fc->pages_per_sheet, 1, 16);
1576
1577         ctx->paper_width = fc->paper_width;
1578         ctx->paper_height = fc->paper_height;
1579
1580         switch (fc->pages_per_sheet) {
1581                 default:
1582                 case 1:
1583                         ctx->pages_x = 1;
1584                         ctx->pages_y = 1;
1585                         break;
1586                 case 2:
1587                         ctx->pages_x = 1;
1588                         ctx->pages_y = 2;
1589                         break;
1590                 case 4:
1591                         ctx->pages_x = 2;
1592                         ctx->pages_y = 2;
1593                         break;
1594                 case 6:
1595                         ctx->pages_x = 2;
1596                         ctx->pages_y = 3;
1597                         break;
1598                 case 9:
1599                         ctx->pages_x = 3;
1600                         ctx->pages_y = 3;
1601                         break;
1602                 case 16:
1603                         ctx->pages_x = 4;
1604                         ctx->pages_y = 4;
1605                         break;
1606         }
1607
1608         ctx->pages_printed = 0;
1609
1610         switch (fc->format) {
1611                 case EV_FILE_FORMAT_PS:
1612 #ifdef HAVE_CAIRO_PS
1613                         surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1614 #endif
1615                         break;
1616                 case EV_FILE_FORMAT_PDF:
1617 #ifdef HAVE_CAIRO_PDF
1618                         surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1619 #endif
1620                         break;
1621                 default:
1622                         g_assert_not_reached ();
1623         }
1624
1625         ctx->cr = cairo_create (surface);
1626         cairo_surface_destroy (surface);
1627
1628 #else /* HAVE_CAIRO_PRINT */
1629         if (ctx->format == EV_FILE_FORMAT_PS) {
1630                 ctx->ps_file = poppler_ps_file_new (pdf_document->document,
1631                                                     fc->filename, fc->first_page,
1632                                                     fc->last_page - fc->first_page + 1);
1633                 poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
1634                 poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
1635         }
1636 #endif /* HAVE_CAIRO_PRINT */
1637 }
1638
1639 static void
1640 pdf_document_file_exporter_begin_page (EvFileExporter *exporter)
1641 {
1642         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1643         PdfPrintContext *ctx = pdf_document->print_ctx;
1644
1645         g_return_if_fail (pdf_document->print_ctx != NULL);
1646
1647         ctx->pages_printed = 0;
1648
1649 #ifdef HAVE_CAIRO_PRINT
1650         if (ctx->paper_width > ctx->paper_height) {
1651                 if (ctx->format == EV_FILE_FORMAT_PS) {
1652                         cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
1653                                                    ctx->paper_height,
1654                                                    ctx->paper_width);
1655                 } else if (ctx->format == EV_FILE_FORMAT_PDF) {
1656                         cairo_pdf_surface_set_size (cairo_get_target (ctx->cr),
1657                                                     ctx->paper_height,
1658                                                     ctx->paper_width);
1659                 }
1660         }
1661 #endif /* HAVE_CAIRO_PRINT */
1662 }
1663
1664 static void
1665 pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
1666                                     EvRenderContext *rc)
1667 {
1668         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1669         PdfPrintContext *ctx = pdf_document->print_ctx;
1670         PopplerPage *poppler_page;
1671 #ifdef HAVE_CAIRO_PRINT
1672         gdouble  page_width, page_height;
1673         gint     x, y;
1674         gboolean rotate;
1675         gdouble  width, height;
1676         gdouble  pwidth, pheight;
1677         gdouble  xscale, yscale;
1678 #endif
1679
1680         g_return_if_fail (pdf_document->print_ctx != NULL);
1681
1682         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1683
1684 #ifdef HAVE_CAIRO_PRINT
1685         x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x;
1686         y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x;
1687         poppler_page_get_size (poppler_page, &page_width, &page_height);
1688
1689         if (page_width > page_height && page_width > ctx->paper_width) {
1690                 rotate = TRUE;
1691         } else {
1692                 rotate = FALSE;
1693         }
1694
1695         /* Use always portrait mode and rotate when necessary */
1696         if (ctx->paper_width > ctx->paper_height) {
1697                 width = ctx->paper_height;
1698                 height = ctx->paper_width;
1699                 rotate = !rotate;
1700         } else {
1701                 width = ctx->paper_width;
1702                 height = ctx->paper_height;
1703         }
1704
1705         if (ctx->pages_per_sheet == 2 || ctx->pages_per_sheet == 6) {
1706                 rotate = !rotate;
1707         }
1708
1709         if (rotate) {
1710                 gint tmp1;
1711                 gdouble tmp2;
1712
1713                 tmp1 = x;
1714                 x = y;
1715                 y = tmp1;
1716
1717                 tmp2 = page_width;
1718                 page_width = page_height;
1719                 page_height = tmp2;
1720         }
1721
1722         pwidth = width / ctx->pages_x;
1723         pheight = height / ctx->pages_y;
1724
1725         if ((page_width > pwidth || page_height > pheight) ||
1726             (page_width < pwidth && page_height < pheight)) {
1727                 xscale = pwidth / page_width;
1728                 yscale = pheight / page_height;
1729
1730                 if (yscale < xscale) {
1731                         xscale = yscale;
1732                 } else {
1733                         yscale = xscale;
1734                 }
1735
1736         } else {
1737                 xscale = yscale = 1;
1738         }
1739
1740         /* TODO: center */
1741
1742         cairo_save (ctx->cr);
1743         if (rotate) {
1744                 cairo_matrix_t matrix;
1745
1746                 cairo_translate (ctx->cr, (2 * y + 1) * pwidth, 0);
1747                 cairo_matrix_init (&matrix,
1748                                    0,  1,
1749                                    -1,  0,
1750                                    0,  0);
1751                 cairo_transform (ctx->cr, &matrix);
1752         }
1753
1754         cairo_translate (ctx->cr,
1755                          x * (rotate ? pheight : pwidth),
1756                          y * (rotate ? pwidth : pheight));
1757         cairo_scale (ctx->cr, xscale, yscale);
1758
1759         poppler_page_render_for_printing (poppler_page, ctx->cr);
1760
1761         ctx->pages_printed++;
1762
1763         cairo_restore (ctx->cr);
1764 #else /* HAVE_CAIRO_PRINT */
1765         if (ctx->format == EV_FILE_FORMAT_PS)
1766                 poppler_page_render_to_ps (poppler_page, ctx->ps_file);
1767 #endif /* HAVE_CAIRO_PRINT */
1768 }
1769
1770 static void
1771 pdf_document_file_exporter_end_page (EvFileExporter *exporter)
1772 {
1773         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1774         PdfPrintContext *ctx = pdf_document->print_ctx;
1775
1776         g_return_if_fail (pdf_document->print_ctx != NULL);
1777
1778 #ifdef HAVE_CAIRO_PRINT
1779         cairo_show_page (ctx->cr);
1780 #endif
1781 }
1782
1783 static void
1784 pdf_document_file_exporter_end (EvFileExporter *exporter)
1785 {
1786         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1787
1788         pdf_print_context_free (pdf_document->print_ctx);
1789         pdf_document->print_ctx = NULL;
1790 }
1791
1792 static EvFileExporterCapabilities
1793 pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter)
1794 {
1795         return  (EvFileExporterCapabilities) (
1796                 EV_FILE_EXPORTER_CAN_PAGE_SET |
1797                 EV_FILE_EXPORTER_CAN_COPIES |
1798                 EV_FILE_EXPORTER_CAN_COLLATE |
1799                 EV_FILE_EXPORTER_CAN_REVERSE |
1800                 EV_FILE_EXPORTER_CAN_SCALE |
1801 #ifdef HAVE_CAIRO_PRINT
1802 #ifdef HAVE_POPPLER_PAGE_RENDER
1803                 EV_FILE_EXPORTER_CAN_NUMBER_UP |
1804 #endif
1805 #endif
1806
1807 #ifdef HAVE_CAIRO_PDF
1808 #ifdef HAVE_POPPLER_PAGE_RENDER
1809                 EV_FILE_EXPORTER_CAN_GENERATE_PDF |
1810 #endif
1811 #endif
1812                 EV_FILE_EXPORTER_CAN_GENERATE_PS);
1813 }
1814
1815 static void
1816 pdf_document_file_exporter_iface_init (EvFileExporterIface *iface)
1817 {
1818         iface->begin = pdf_document_file_exporter_begin;
1819         iface->begin_page = pdf_document_file_exporter_begin_page;
1820         iface->do_page = pdf_document_file_exporter_do_page;
1821         iface->end_page = pdf_document_file_exporter_end_page;
1822         iface->end = pdf_document_file_exporter_end;
1823         iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
1824 }
1825
1826 #ifdef HAVE_POPPLER_PAGE_RENDER
1827 /* EvDocumentPrint */
1828 static void
1829 pdf_document_print_print_page (EvDocumentPrint *document,
1830                                EvPage          *page,
1831                                cairo_t         *cr)
1832 {
1833         PdfDocument *pdf_document = PDF_DOCUMENT (document);
1834
1835         poppler_page_render_for_printing (POPPLER_PAGE (page->backend_page), cr);
1836 }
1837
1838 static void
1839 pdf_document_document_print_iface_init (EvDocumentPrintIface *iface)
1840 {
1841         iface->print_page = pdf_document_print_print_page;
1842 }
1843 #endif /* HAVE_POPPLER_PAGE_RENDER */
1844
1845 static void
1846 pdf_selection_render_selection (EvSelection      *selection,
1847                                 EvRenderContext  *rc,
1848                                 cairo_surface_t **surface,
1849                                 EvRectangle      *points,
1850                                 EvRectangle      *old_points,
1851                                 EvSelectionStyle  style,
1852                                 GdkColor         *text,
1853                                 GdkColor         *base)
1854 {
1855         PopplerPage *poppler_page;
1856         double width_points, height_points;
1857         gint width, height;
1858
1859         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1860
1861         poppler_page_get_size (poppler_page,
1862                                &width_points, &height_points);
1863         width = (int) ((width_points * rc->scale) + 0.5);
1864         height = (int) ((height_points * rc->scale) + 0.5);
1865
1866 #ifdef HAVE_POPPLER_PAGE_RENDER
1867         cairo_t *cr;
1868         PopplerColor text_color, base_color;
1869
1870         text_color.red = text->red;
1871         text_color.green = text->green;
1872         text_color.blue = text->blue;
1873
1874         base_color.red = base->red;
1875         base_color.green = base->green;
1876         base_color.blue = base->blue;
1877
1878         if (*surface == NULL) {
1879                 *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
1880                                                        width, height);
1881
1882         }
1883
1884         cr = cairo_create (*surface);
1885         cairo_scale (cr, rc->scale, rc->scale);
1886         cairo_surface_set_device_offset (*surface, 0, 0);
1887         memset (cairo_image_surface_get_data (*surface), 0x00,
1888                 cairo_image_surface_get_height (*surface) *
1889                 cairo_image_surface_get_stride (*surface));
1890         poppler_page_render_selection (poppler_page,
1891                                        cr,
1892                                        (PopplerRectangle *)points,
1893                                        (PopplerRectangle *)old_points,
1894                                        (PopplerSelectionStyle)style,
1895                                        &text_color,
1896                                        &base_color);
1897         cairo_destroy (cr);
1898 #else /* HAVE_POPPLER_PAGE_RENDER */
1899         GdkPixbuf *pixbuf;
1900
1901         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
1902                                  TRUE, 8,
1903                                  width, height);
1904
1905         poppler_page_render_selection_to_pixbuf (poppler_page,
1906                                                  rc->scale, rc->rotation, pixbuf,
1907                                                  (PopplerRectangle *)points,
1908                                                  (PopplerRectangle *)old_points,
1909                                                  (PopplerSelectionStyle)style,
1910                                                  text,
1911                                                  base);
1912         if (*surface)
1913                 cairo_surface_destroy (*surface);
1914         *surface = ev_document_misc_surface_from_pixbuf (pixbuf);
1915         g_object_unref (pixbuf);
1916 #endif /* HAVE_POPPLER_PAGE_RENDER */
1917 }
1918
1919 static gchar *
1920 pdf_selection_get_selected_text (EvSelection     *selection,
1921                                  EvRenderContext *rc,
1922                                  EvSelectionStyle style,
1923                                  EvRectangle     *points)
1924 {
1925         PopplerPage *poppler_page;
1926         PopplerRectangle r;
1927         double height;
1928         char *retval;
1929
1930         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1931
1932         poppler_page_get_size (poppler_page, NULL, &height);
1933         r.x1 = points->x1;
1934         r.y1 = height - points->y2;
1935         r.x2 = points->x2;
1936         r.y2 = height - points->y1;
1937
1938         retval = poppler_page_get_text (poppler_page,
1939                                         (PopplerSelectionStyle)style,
1940                                         &r);
1941
1942         return retval;
1943 }
1944
1945 static GdkRegion *
1946 create_gdk_region_from_poppler_region (GList *region)
1947 {
1948         GList *l;
1949         GdkRegion *retval;
1950
1951         retval = gdk_region_new ();
1952
1953         for (l = region; l; l = g_list_next (l)) {
1954                 PopplerRectangle *rectangle;
1955                 GdkRectangle      rect;
1956
1957                 rectangle = (PopplerRectangle *)l->data;
1958
1959                 rect.x = (gint) rectangle->x1;
1960                 rect.y = (gint) rectangle->y1;
1961                 rect.width  = (gint) (rectangle->x2 - rectangle->x1);
1962                 rect.height = (gint) (rectangle->y2 - rectangle->y1);
1963                 gdk_region_union_with_rect (retval, &rect);
1964
1965                 poppler_rectangle_free (rectangle);
1966         }
1967
1968         return retval;
1969 }
1970
1971 static GdkRegion *
1972 pdf_selection_get_selection_region (EvSelection     *selection,
1973                                     EvRenderContext *rc,
1974                                     EvSelectionStyle style,
1975                                     EvRectangle     *points)
1976 {
1977         PopplerPage *poppler_page;
1978         GdkRegion   *retval;
1979         GList       *region;
1980
1981         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1982
1983         region = poppler_page_get_selection_region (poppler_page,
1984                                                     rc->scale,
1985                                                     (PopplerSelectionStyle)style,
1986                                                     (PopplerRectangle *) points);
1987         retval = create_gdk_region_from_poppler_region (region);
1988         g_list_free (region);
1989
1990         return retval;
1991 }
1992
1993 static GdkRegion *
1994 pdf_selection_get_selection_map (EvSelection     *selection,
1995                                  EvRenderContext *rc)
1996 {
1997         PopplerPage *poppler_page;
1998         PopplerRectangle points;
1999         GList *region;
2000         GdkRegion *retval;
2001
2002         poppler_page = POPPLER_PAGE (rc->page->backend_page);
2003
2004         points.x1 = 0.0;
2005         points.y1 = 0.0;
2006         poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
2007
2008         region = poppler_page_get_selection_region (poppler_page, 1.0,
2009                                                     POPPLER_SELECTION_GLYPH,
2010                                                     &points);
2011         retval = create_gdk_region_from_poppler_region (region);
2012         g_list_free (region);
2013
2014         return retval;
2015 }
2016
2017 static void
2018 pdf_selection_iface_init (EvSelectionIface *iface)
2019 {
2020         iface->render_selection = pdf_selection_render_selection;
2021         iface->get_selected_text = pdf_selection_get_selected_text;
2022         iface->get_selection_region = pdf_selection_get_selection_region;
2023         iface->get_selection_map = pdf_selection_get_selection_map;
2024 }
2025
2026 /* Page Transitions */
2027 static gdouble
2028 pdf_document_get_page_duration (EvDocumentTransition *trans,
2029                                 gint                  page)
2030 {
2031         PdfDocument *pdf_document;
2032         PopplerPage *poppler_page;
2033         gdouble      duration = -1;
2034
2035         pdf_document = PDF_DOCUMENT (trans);
2036         poppler_page = poppler_document_get_page (pdf_document->document, page);
2037         if (!poppler_page)
2038                 return -1;
2039
2040         duration = poppler_page_get_duration (poppler_page);
2041         g_object_unref (poppler_page);
2042
2043         return duration;
2044 }
2045
2046 static EvTransitionEffect *
2047 pdf_document_get_effect (EvDocumentTransition *trans,
2048                          gint                  page)
2049 {
2050         PdfDocument            *pdf_document;
2051         PopplerPage            *poppler_page;
2052         PopplerPageTransition  *page_transition;
2053         EvTransitionEffect     *effect;
2054
2055         pdf_document = PDF_DOCUMENT (trans);
2056         poppler_page = poppler_document_get_page (pdf_document->document, page);
2057
2058         if (!poppler_page)
2059                 return NULL;
2060
2061         page_transition = poppler_page_get_transition (poppler_page);
2062
2063         if (!page_transition) {
2064                 g_object_unref (poppler_page);
2065                 return NULL;
2066         }
2067
2068         /* enums in PopplerPageTransition match the EvTransitionEffect ones */
2069         effect = ev_transition_effect_new ((EvTransitionEffectType) page_transition->type,
2070                                            "alignment", page_transition->alignment,
2071                                            "direction", page_transition->direction,
2072                                            "duration", page_transition->duration,
2073                                            "angle", page_transition->angle,
2074                                            "scale", page_transition->scale,
2075                                            "rectangular", page_transition->rectangular,
2076                                            NULL);
2077
2078         poppler_page_transition_free (page_transition);
2079         g_object_unref (poppler_page);
2080
2081         return effect;
2082 }
2083
2084 static void
2085 pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
2086 {
2087         iface->get_page_duration = pdf_document_get_page_duration;
2088         iface->get_effect = pdf_document_get_effect;
2089 }
2090
2091 /* Forms */
2092 static void
2093 pdf_document_get_crop_box (EvDocument  *document,
2094                            int          page,
2095                            EvRectangle *rect)
2096 {
2097         PdfDocument *pdf_document;
2098         PopplerPage *poppler_page;
2099         PopplerRectangle poppler_rect;
2100
2101         pdf_document = PDF_DOCUMENT (document);
2102         poppler_page = poppler_document_get_page (pdf_document->document, page);
2103         poppler_page_get_crop_box (poppler_page, &poppler_rect);
2104         rect->x1 = poppler_rect.x1;
2105         rect->x2 = poppler_rect.x2;
2106         rect->y1 = poppler_rect.y1;
2107         rect->y2 = poppler_rect.y2;
2108 }
2109
2110 static EvFormField *
2111 ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
2112 {
2113         EvFormField *ev_field = NULL;
2114         gint         id;
2115         gdouble      font_size;
2116         gboolean     is_read_only;
2117
2118         id = poppler_form_field_get_id (poppler_field);
2119         font_size = poppler_form_field_get_font_size (poppler_field);
2120         is_read_only = poppler_form_field_is_read_only (poppler_field);
2121
2122         switch (poppler_form_field_get_field_type (poppler_field)) {
2123                 case POPPLER_FORM_FIELD_TEXT: {
2124                         EvFormFieldText    *field_text;
2125                         EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
2126
2127                         switch (poppler_form_field_text_get_text_type (poppler_field)) {
2128                                 case POPPLER_FORM_TEXT_NORMAL:
2129                                         ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
2130                                         break;
2131                                 case POPPLER_FORM_TEXT_MULTILINE:
2132                                         ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
2133                                         break;
2134                                 case POPPLER_FORM_TEXT_FILE_SELECT:
2135                                         ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
2136                                         break;
2137                         }
2138
2139                         ev_field = ev_form_field_text_new (id, ev_text_type);
2140                         field_text = EV_FORM_FIELD_TEXT (ev_field);
2141
2142                         field_text->do_spell_check = poppler_form_field_text_do_spell_check (poppler_field);
2143                         field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
2144                         field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
2145                         field_text->is_password = poppler_form_field_text_is_password (poppler_field);
2146                         field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
2147                         field_text->text = poppler_form_field_text_get_text (poppler_field);
2148
2149                 }
2150                         break;
2151                 case POPPLER_FORM_FIELD_BUTTON: {
2152                         EvFormFieldButton    *field_button;
2153                         EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2154
2155                         switch (poppler_form_field_button_get_button_type (poppler_field)) {
2156                                 case POPPLER_FORM_BUTTON_PUSH:
2157                                         ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2158                                         break;
2159                                 case POPPLER_FORM_BUTTON_CHECK:
2160                                         ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
2161                                         break;
2162                                 case POPPLER_FORM_BUTTON_RADIO:
2163                                         ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
2164                                         break;
2165                         }
2166
2167                         ev_field = ev_form_field_button_new (id, ev_button_type);
2168                         field_button = EV_FORM_FIELD_BUTTON (ev_field);
2169
2170                         field_button->state = poppler_form_field_button_get_state (poppler_field);
2171                 }
2172                         break;
2173                 case POPPLER_FORM_FIELD_CHOICE: {
2174                         EvFormFieldChoice    *field_choice;
2175                         EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2176
2177                         switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
2178                                 case POPPLER_FORM_CHOICE_COMBO:
2179                                         ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2180                                         break;
2181                                 case EV_FORM_FIELD_CHOICE_LIST:
2182                                         ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
2183                                         break;
2184                         }
2185
2186                         ev_field = ev_form_field_choice_new (id, ev_choice_type);
2187                         field_choice = EV_FORM_FIELD_CHOICE (ev_field);
2188
2189                         field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
2190                         field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
2191                         field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
2192                         field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
2193
2194                         /* TODO: we need poppler_form_field_choice_get_selected_items in poppler
2195                         field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
2196                         if (field_choice->is_editable)
2197                                 field_choice->text = poppler_form_field_choice_get_text (poppler_field);
2198                 }
2199                         break;
2200                 case POPPLER_FORM_FIELD_SIGNATURE:
2201                         /* TODO */
2202                         ev_field = ev_form_field_signature_new (id);
2203                         break;
2204                 case POPPLER_FORM_FIELD_UNKNOWN:
2205                         return NULL;
2206         }
2207
2208         ev_field->font_size = font_size;
2209         ev_field->is_read_only = is_read_only;
2210
2211         return ev_field;
2212 }
2213
2214 static GList *
2215 pdf_document_forms_get_form_fields (EvDocumentForms *document,
2216                                     EvPage          *page)
2217 {
2218         PopplerPage *poppler_page;
2219         GList *retval = NULL;
2220         GList *fields;
2221         GList *list;
2222         double height;
2223
2224         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
2225
2226         poppler_page = POPPLER_PAGE (page->backend_page);
2227         fields = poppler_page_get_form_field_mapping (poppler_page);
2228         poppler_page_get_size (poppler_page, NULL, &height);
2229
2230         for (list = fields; list; list = list->next) {
2231                 PopplerFormFieldMapping *mapping;
2232                 EvMapping *field_mapping;
2233                 EvFormField *ev_field;
2234
2235                 mapping = (PopplerFormFieldMapping *)list->data;
2236
2237                 ev_field = ev_form_field_from_poppler_field (mapping->field);
2238                 if (!ev_field)
2239                         continue;
2240
2241                 field_mapping = g_new0 (EvMapping, 1);
2242                 field_mapping->area.x1 = mapping->area.x1;
2243                 field_mapping->area.x2 = mapping->area.x2;
2244                 field_mapping->area.y1 = height - mapping->area.y2;
2245                 field_mapping->area.y2 = height - mapping->area.y1;
2246                 field_mapping->data = ev_field;
2247                 ev_field->page = EV_PAGE (g_object_ref (page));
2248
2249                 g_object_set_data_full (G_OBJECT (ev_field),
2250                                         "poppler-field",
2251                                         g_object_ref (mapping->field),
2252                                         (GDestroyNotify) g_object_unref);
2253
2254                 retval = g_list_prepend (retval, field_mapping);
2255         }
2256
2257         poppler_page_free_form_field_mapping (fields);
2258
2259         return g_list_reverse (retval);
2260 }
2261
2262 static gchar *
2263 pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
2264                                              EvFormField     *field)
2265
2266 {
2267         PopplerFormField *poppler_field;
2268         gchar *text;
2269
2270         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2271         if (!poppler_field)
2272                 return NULL;
2273
2274         text = poppler_form_field_text_get_text (poppler_field);
2275
2276         return text;
2277 }
2278
2279 static void
2280 pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
2281                                              EvFormField     *field,
2282                                              const gchar     *text)
2283 {
2284         PopplerFormField *poppler_field;
2285
2286         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2287         if (!poppler_field)
2288                 return;
2289
2290         poppler_form_field_text_set_text (poppler_field, text);
2291         PDF_DOCUMENT (document)->modified = TRUE;
2292 }
2293
2294 static void
2295 pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
2296                                                 EvFormField     *field,
2297                                                 gboolean         state)
2298 {
2299         PopplerFormField *poppler_field;
2300
2301         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2302         if (!poppler_field)
2303                 return;
2304
2305         poppler_form_field_button_set_state (poppler_field, state);
2306         PDF_DOCUMENT (document)->modified = TRUE;
2307 }
2308
2309 static gboolean
2310 pdf_document_forms_form_field_button_get_state (EvDocumentForms *document,
2311                                                 EvFormField     *field)
2312 {
2313         PopplerFormField *poppler_field;
2314         gboolean state;
2315
2316         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2317         if (!poppler_field)
2318                 return FALSE;
2319
2320         state = poppler_form_field_button_get_state (poppler_field);
2321
2322         return state;
2323 }
2324
2325 static gchar *
2326 pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document,
2327                                                EvFormField     *field,
2328                                                gint             index)
2329 {
2330         PopplerFormField *poppler_field;
2331         gchar *text;
2332
2333         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2334         if (!poppler_field)
2335                 return NULL;
2336
2337         text = poppler_form_field_choice_get_item (poppler_field, index);
2338
2339         return text;
2340 }
2341
2342 static int
2343 pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document,
2344                                                   EvFormField     *field)
2345 {
2346         PopplerFormField *poppler_field;
2347         gint n_items;
2348
2349         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2350         if (!poppler_field)
2351                 return -1;
2352
2353         n_items = poppler_form_field_choice_get_n_items (poppler_field);
2354
2355         return n_items;
2356 }
2357
2358 static gboolean
2359 pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document,
2360                                                        EvFormField     *field,
2361                                                        gint             index)
2362 {
2363         PopplerFormField *poppler_field;
2364         gboolean selected;
2365
2366         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2367         if (!poppler_field)
2368                 return FALSE;
2369
2370         selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
2371
2372         return selected;
2373 }
2374
2375 static void
2376 pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
2377                                                   EvFormField     *field,
2378                                                   gint             index)
2379 {
2380         PopplerFormField *poppler_field;
2381
2382         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2383         if (!poppler_field)
2384                 return;
2385
2386         poppler_form_field_choice_select_item (poppler_field, index);
2387         PDF_DOCUMENT (document)->modified = TRUE;
2388 }
2389
2390 static void
2391 pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
2392                                                   EvFormField     *field,
2393                                                   gint             index)
2394 {
2395         PopplerFormField *poppler_field;
2396
2397         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2398         if (!poppler_field)
2399                 return;
2400
2401         poppler_form_field_choice_toggle_item (poppler_field, index);
2402         PDF_DOCUMENT (document)->modified = TRUE;
2403 }
2404
2405 static void
2406 pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
2407                                                    EvFormField     *field)
2408 {
2409         PopplerFormField *poppler_field;
2410
2411         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2412         if (!poppler_field)
2413                 return;
2414
2415         poppler_form_field_choice_unselect_all (poppler_field);
2416         PDF_DOCUMENT (document)->modified = TRUE;
2417 }
2418
2419 static void
2420 pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
2421                                                EvFormField     *field,
2422                                                const gchar     *text)
2423 {
2424         PopplerFormField *poppler_field;
2425
2426         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2427         if (!poppler_field)
2428                 return;
2429
2430         poppler_form_field_choice_set_text (poppler_field, text);
2431         PDF_DOCUMENT (document)->modified = TRUE;
2432 }
2433
2434 static gchar *
2435 pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
2436                                                EvFormField     *field)
2437 {
2438         PopplerFormField *poppler_field;
2439         gchar *text;
2440
2441         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2442         if (!poppler_field)
2443                 return NULL;
2444
2445         text = poppler_form_field_choice_get_text (poppler_field);
2446
2447         return text;
2448 }
2449
2450 static void
2451 pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
2452 {
2453         iface->get_form_fields = pdf_document_forms_get_form_fields;
2454         iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
2455         iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
2456         iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
2457         iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
2458         iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
2459         iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
2460         iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
2461         iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
2462         iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
2463         iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
2464         iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
2465         iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
2466 }
2467
2468 /* Annotations */
2469 static void
2470 poppler_annot_color_to_gdk_color (PopplerAnnot *poppler_annot,
2471                                   GdkColor     *color)
2472 {
2473         PopplerColor *poppler_color;
2474
2475         poppler_color = poppler_annot_get_color (poppler_annot);
2476         if (poppler_color) {
2477                 color->red = poppler_color->red;
2478                 color->green = poppler_color->green;
2479                 color->blue = poppler_color->blue;
2480
2481                 g_free (poppler_color);
2482         } /* TODO: else use a default color */
2483 }
2484
2485 static EvAnnotation *
2486 ev_annot_from_poppler_annot (PopplerAnnot *poppler_annot,
2487                              EvPage       *page)
2488 {
2489         EvAnnotation *ev_annot = NULL;
2490         const gchar  *unimplemented_annot = NULL;
2491
2492         switch (poppler_annot_get_annot_type (poppler_annot)) {
2493                 case POPPLER_ANNOT_TEXT:
2494                         PopplerAnnotText *poppler_text;
2495                         EvAnnotationText *ev_annot_text;
2496
2497                         poppler_text = POPPLER_ANNOT_TEXT (poppler_annot);
2498
2499                         ev_annot = ev_annotation_text_new (page);
2500
2501                         ev_annot_text = EV_ANNOTATION_TEXT (ev_annot);
2502                         ev_annot_text->is_open = poppler_annot_text_get_is_open (poppler_text);
2503
2504                         break;
2505                 case POPPLER_ANNOT_LINK:
2506                 case POPPLER_ANNOT_WIDGET:
2507                         /* Ignore link and widgets annots since they are already handled */
2508                         break;
2509                 default: {
2510                         GEnumValue *enum_value;
2511
2512                         enum_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (POPPLER_TYPE_ANNOT_TYPE),
2513                                                        poppler_annot_get_annot_type (poppler_annot));
2514                         unimplemented_annot = enum_value ? enum_value->value_name : "Unknown annotation";
2515                 }
2516         }
2517
2518         if (unimplemented_annot) {
2519                 g_warning ("Unimplemented annotation: %s, please post a "
2520                            "bug report in Evince bugzilla "
2521                            "(http://bugzilla.gnome.org) with a testcase.",
2522                            unimplemented_annot);
2523         }
2524
2525         if (ev_annot) {
2526                 ev_annot->contents = poppler_annot_get_contents (poppler_annot);
2527                 ev_annot->name = poppler_annot_get_name (poppler_annot);
2528                 ev_annot->modified = poppler_annot_get_modified (poppler_annot);
2529                 poppler_annot_color_to_gdk_color (poppler_annot, &ev_annot->color);
2530
2531                 if (POPPLER_IS_ANNOT_MARKUP (poppler_annot)) {
2532                         PopplerAnnotMarkup *markup;
2533                         gchar *label;
2534                         gdouble opacity;
2535                         PopplerRectangle poppler_rect;
2536
2537                         markup = POPPLER_ANNOT_MARKUP (poppler_annot);
2538
2539                         if (poppler_annot_markup_get_popup_rectangle (markup, &poppler_rect)) {
2540                                 EvRectangle ev_rect;
2541                                 gboolean is_open;
2542                                 gdouble height;
2543
2544                                 poppler_page_get_size (POPPLER_PAGE (page->backend_page),
2545                                                        NULL, &height);
2546                                 ev_rect.x1 = poppler_rect.x1;
2547                                 ev_rect.x2 = poppler_rect.x2;
2548                                 ev_rect.y1 = height - poppler_rect.y2;
2549                                 ev_rect.y2 = height - poppler_rect.y1;
2550
2551                                 is_open = poppler_annot_markup_get_popup_is_open (markup);
2552
2553                                 g_object_set (ev_annot,
2554                                               "rectangle", &ev_rect,
2555                                               "is_open", is_open,
2556                                               "has_popup", TRUE,
2557                                               NULL);
2558                         } else {
2559                                 /* FIXME: Use poppler_annot_markup_has_popup() when
2560                                  * new poppler is released.
2561                                  */
2562                                 g_object_set (ev_annot,
2563                                               "has_popup", FALSE,
2564                                               NULL);
2565                         }
2566
2567                         label = poppler_annot_markup_get_label (markup);
2568                         opacity = poppler_annot_markup_get_opacity (markup);
2569
2570                         g_object_set (ev_annot,
2571                                       "label", label,
2572                                       "opacity", opacity,
2573                                       NULL);
2574
2575                         g_free (label);
2576                 }
2577         }
2578
2579         return ev_annot;
2580 }
2581
2582 static GList *
2583 pdf_document_annotations_get_annotations (EvDocumentAnnotations *document_annotations,
2584                                           EvPage                *page)
2585 {
2586         GList *retval = NULL;
2587         PdfDocument *pdf_document;
2588         PopplerPage *poppler_page;
2589         GList *annots;
2590         GList *list;
2591         gdouble height;
2592         gint i = 0;
2593
2594         pdf_document = PDF_DOCUMENT (document_annotations);
2595         poppler_page = POPPLER_PAGE (page->backend_page);
2596         annots = poppler_page_get_annot_mapping (poppler_page);
2597         poppler_page_get_size (poppler_page, NULL, &height);
2598
2599         for (list = annots; list; list = list->next) {
2600                 PopplerAnnotMapping *mapping;
2601                 EvMapping *annot_mapping;
2602                 EvAnnotation        *ev_annot;
2603
2604                 mapping = (PopplerAnnotMapping *)list->data;
2605
2606                 ev_annot = ev_annot_from_poppler_annot (mapping->annot, page);
2607                 if (!ev_annot)
2608                         continue;
2609
2610                 i++;
2611
2612                 /* Make sure annot has a unique name */
2613                 if (!ev_annot->name)
2614                         ev_annot->name = g_strdup_printf ("annot-%d-%d", page->index, i);
2615
2616                 annot_mapping = g_new (EvMapping, 1);
2617                 annot_mapping->area.x1 = mapping->area.x1;
2618                 annot_mapping->area.x2 = mapping->area.x2;
2619                 annot_mapping->area.y1 = height - mapping->area.y2;
2620                 annot_mapping->area.y2 = height - mapping->area.y1;
2621                 annot_mapping->data = ev_annot;
2622
2623                 g_object_set_data_full (G_OBJECT (ev_annot),
2624                                         "poppler-annot",
2625                                         g_object_ref (mapping->annot),
2626                                         (GDestroyNotify) g_object_unref);
2627
2628                 retval = g_list_prepend (retval, annot_mapping);
2629         }
2630
2631         poppler_page_free_annot_mapping (annots);
2632
2633         return g_list_reverse (retval);
2634 }
2635
2636 static void
2637 pdf_document_annotations_annotation_set_contents (EvDocumentAnnotations *document,
2638                                                   EvAnnotation          *annot,
2639                                                   const gchar           *contents)
2640 {
2641         PopplerAnnot *poppler_annot;
2642
2643         poppler_annot = POPPLER_ANNOT (g_object_get_data (G_OBJECT (annot), "poppler-annot"));
2644         if (!poppler_annot)
2645                 return;
2646
2647         poppler_annot_set_contents (poppler_annot, contents);
2648         PDF_DOCUMENT (document)->modified = TRUE;
2649 }
2650
2651 static void
2652 pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface)
2653 {
2654         iface->get_annotations = pdf_document_annotations_get_annotations;
2655         iface->annotation_set_contents = pdf_document_annotations_annotation_set_contents;
2656 }
2657
2658 /* Layers */
2659 static gboolean
2660 pdf_document_layers_has_layers (EvDocumentLayers *document)
2661 {
2662         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2663         PopplerLayersIter *iter;
2664
2665         iter = poppler_layers_iter_new (pdf_document->document);
2666         if (!iter)
2667                 return FALSE;
2668         poppler_layers_iter_free (iter);
2669
2670         return TRUE;
2671 }
2672
2673 static void
2674 build_layers_tree (PdfDocument       *pdf_document,
2675                    GtkTreeModel      *model,
2676                    GtkTreeIter       *parent,
2677                    PopplerLayersIter *iter)
2678 {
2679         do {
2680                 GtkTreeIter        tree_iter;
2681                 PopplerLayersIter *child;
2682                 PopplerLayer      *layer;
2683                 EvLayer           *ev_layer = NULL;
2684                 gboolean           visible;
2685                 gchar             *markup;
2686                 gint               rb_group = 0;
2687
2688                 layer = poppler_layers_iter_get_layer (iter);
2689                 if (layer) {
2690                         markup = g_markup_escape_text (poppler_layer_get_title (layer), -1);
2691                         visible = poppler_layer_is_visible (layer);
2692                         rb_group = poppler_layer_get_radio_button_group_id (layer);
2693                         pdf_document->layers = g_list_append (pdf_document->layers,
2694                                                               g_object_ref (layer));
2695                         ev_layer = ev_layer_new (g_list_length (pdf_document->layers) - 1,
2696                                                  poppler_layer_is_parent (layer),
2697                                                  rb_group);
2698                 } else {
2699                         gchar *title;
2700
2701                         title = poppler_layers_iter_get_title (iter);
2702                         markup = g_markup_escape_text (title, -1);
2703                         g_free (title);
2704
2705                         visible = FALSE;
2706                         layer = NULL;
2707                 }
2708
2709                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
2710                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
2711                                     EV_DOCUMENT_LAYERS_COLUMN_TITLE, markup,
2712                                     EV_DOCUMENT_LAYERS_COLUMN_VISIBLE, visible,
2713                                     EV_DOCUMENT_LAYERS_COLUMN_ENABLED, TRUE, /* FIXME */
2714                                     EV_DOCUMENT_LAYERS_COLUMN_SHOWTOGGLE, (layer != NULL),
2715                                     EV_DOCUMENT_LAYERS_COLUMN_RBGROUP, rb_group,
2716                                     EV_DOCUMENT_LAYERS_COLUMN_LAYER, ev_layer,
2717                                     -1);
2718                 if (ev_layer)
2719                         g_object_unref (ev_layer);
2720                 g_free (markup);
2721
2722                 child = poppler_layers_iter_get_child (iter);
2723                 if (child)
2724                         build_layers_tree (pdf_document, model, &tree_iter, child);
2725                 poppler_layers_iter_free (child);
2726         } while (poppler_layers_iter_next (iter));
2727 }
2728
2729 static GtkTreeModel *
2730 pdf_document_layers_get_layers (EvDocumentLayers *document)
2731 {
2732         GtkTreeModel *model = NULL;
2733         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2734         PopplerLayersIter *iter;
2735
2736         iter = poppler_layers_iter_new (pdf_document->document);
2737         if (iter) {
2738                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LAYERS_N_COLUMNS,
2739                                                              G_TYPE_STRING,  /* TITLE */
2740                                                              G_TYPE_OBJECT,  /* LAYER */
2741                                                              G_TYPE_BOOLEAN, /* VISIBLE */
2742                                                              G_TYPE_BOOLEAN, /* ENABLED */
2743                                                              G_TYPE_BOOLEAN, /* SHOWTOGGLE */
2744                                                              G_TYPE_INT);    /* RBGROUP */
2745                 build_layers_tree (pdf_document, model, NULL, iter);
2746                 poppler_layers_iter_free (iter);
2747         }
2748         return model;
2749 }
2750
2751 static void
2752 pdf_document_layers_show_layer (EvDocumentLayers *document,
2753                                 EvLayer          *layer)
2754 {
2755         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2756         guint        layer_id = ev_layer_get_id (layer);
2757
2758         poppler_layer_show (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
2759 }
2760
2761 static void
2762 pdf_document_layers_hide_layer (EvDocumentLayers *document,
2763                                 EvLayer          *layer)
2764 {
2765         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2766         guint        layer_id = ev_layer_get_id (layer);
2767
2768         poppler_layer_hide (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
2769 }
2770
2771 static gboolean
2772 pdf_document_layers_layer_is_visible (EvDocumentLayers *document,
2773                                       EvLayer          *layer)
2774 {
2775         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2776         guint        layer_id = ev_layer_get_id (layer);
2777
2778         return poppler_layer_is_visible (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
2779 }
2780
2781 static void
2782 pdf_document_document_layers_iface_init (EvDocumentLayersIface *iface)
2783 {
2784         iface->has_layers = pdf_document_layers_has_layers;
2785         iface->get_layers = pdf_document_layers_get_layers;
2786         iface->show_layer = pdf_document_layers_show_layer;
2787         iface->hide_layer = pdf_document_layers_hide_layer;
2788         iface->layer_is_visible = pdf_document_layers_layer_is_visible;
2789 }