backend/pdf/ev-poppler.cc

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* this file is part of evince, a gnome document viewer
   3  *
   4  * Copyright (C) 2009, Juanjo Marín <juanj.marin@juntadeandalucia.es>
   5  * Copyright (C) 2004, Red Hat, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include "config.h"
  23
  24 #include <math.h>
  25 #include <string.h>
  26 #include <gtk/gtk.h>
  27 #include <poppler.h>
  28 #include <poppler-document.h>
  29 #include <poppler-page.h>
  30 #ifdef HAVE_CAIRO_PDF
  31 #include <cairo-pdf.h>
  32 #endif
  33 #ifdef HAVE_CAIRO_PS
  34 #include <cairo-ps.h>
  35 #endif
  36 #include <glib/gi18n-lib.h>
  37
  38 #include "ev-poppler.h"
  39 #include "ev-file-exporter.h"
  40 #include "ev-document-find.h"
  41 #include "ev-document-misc.h"
  42 #include "ev-document-links.h"
  43 #include "ev-document-images.h"
  44 #include "ev-document-fonts.h"
  45 #include "ev-document-security.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-document-attachments.h"
  52 #include "ev-document-text.h"
  53 #include "ev-selection.h"
  54 #include "ev-transition-effect.h"
  55 #include "ev-attachment.h"
  56 #include "ev-image.h"
  57
  58 #include <libxml/tree.h>
  59 #include <libxml/parser.h>
  60 #include <libxml/xpath.h>
  61 #include <libxml/xpathInternals.h>
  62
  63 #if (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
  64 #define HAVE_CAIRO_PRINT
  65 #endif
  66
  67 /* fields from the XMP Rights Management Schema, XMP Specification Sept 2005, pag. 45 */
  68 #define LICENSE_MARKED "/x:xmpmeta/rdf:RDF/rdf:Description/xmpRights:Marked"
  69 #define LICENSE_TEXT "/x:xmpmeta/rdf:RDF/rdf:Description/dc:rights/rdf:Alt/rdf:li[lang('%s')]"
  70 #define LICENSE_WEB_STATEMENT "/x:xmpmeta/rdf:RDF/rdf:Description/xmpRights:WebStatement"
  71 /* license field from Creative Commons schema, http://creativecommons.org/ns */
  72 #define LICENSE_URI "/x:xmpmeta/rdf:RDF/rdf:Description/cc:license/@rdf:resource"
  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         EvDocumentClass parent_class;
  95 };
  96
  97 struct _PdfDocument
  98 {
  99         EvDocument parent_instance;
 100
 101         PopplerDocument *document;
 102         gchar *password;
 103         gboolean forms_modified;
 104         gboolean annots_modified;
 105
 106         PopplerFontInfo *font_info;
 107         PopplerFontsIter *fonts_iter;
 108         int fonts_scanned_pages;
 109
 110         PdfPrintContext *print_ctx;
 111
 112         GHashTable *annots;
 113 };
 114
 115 static void pdf_document_security_iface_init             (EvDocumentSecurityInterface    *iface);
 116 static void pdf_document_document_links_iface_init       (EvDocumentLinksInterface       *iface);
 117 static void pdf_document_document_images_iface_init      (EvDocumentImagesInterface      *iface);
 118 static void pdf_document_document_forms_iface_init       (EvDocumentFormsInterface       *iface);
 119 static void pdf_document_document_fonts_iface_init       (EvDocumentFontsInterface       *iface);
 120 static void pdf_document_document_layers_iface_init      (EvDocumentLayersInterface      *iface);
 121 static void pdf_document_document_print_iface_init       (EvDocumentPrintInterface       *iface);
 122 static void pdf_document_document_annotations_iface_init (EvDocumentAnnotationsInterface *iface);
 123 static void pdf_document_document_attachments_iface_init (EvDocumentAttachmentsInterface *iface);
 124 static void pdf_document_find_iface_init                 (EvDocumentFindInterface        *iface);
 125 static void pdf_document_file_exporter_iface_init        (EvFileExporterInterface        *iface);
 126 static void pdf_selection_iface_init                     (EvSelectionInterface           *iface);
 127 static void pdf_document_page_transition_iface_init      (EvDocumentTransitionInterface  *iface);
 128 static void pdf_document_text_iface_init                 (EvDocumentTextInterface        *iface);
 129 static int  pdf_document_get_n_pages                     (EvDocument                     *document);
 130
 131 static EvLinkDest *ev_link_dest_from_dest    (PdfDocument       *pdf_document,
 132                                               PopplerDest       *dest);
 133 static EvLink     *ev_link_from_action       (PdfDocument       *pdf_document,
 134                                               PopplerAction     *action);
 135 static void        pdf_print_context_free    (PdfPrintContext   *ctx);
 136 static gboolean    attachment_save_to_buffer (PopplerAttachment *attachment,
 137                                               gchar            **buffer,
 138                                               gsize             *buffer_size,
 139                                               GError           **error);
 140
 141 EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
 142                          {
 143                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
 144                                                                  pdf_document_security_iface_init);
 145                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
 146                                                                  pdf_document_document_links_iface_init);
 147                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,
 148                                                                  pdf_document_document_images_iface_init);
 149                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FORMS,
 150                                                                  pdf_document_document_forms_iface_init);
 151                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
 152                                                                  pdf_document_document_fonts_iface_init);
 153                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LAYERS,
 154                                                                  pdf_document_document_layers_iface_init);
 155                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_PRINT,
 156                                                                  pdf_document_document_print_iface_init);
 157                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_ANNOTATIONS,
 158                                                                  pdf_document_document_annotations_iface_init);
 159                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_ATTACHMENTS,
 160                                                                  pdf_document_document_attachments_iface_init);
 161                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
 162                                                                  pdf_document_find_iface_init);
 163                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
 164                                                                  pdf_document_file_exporter_iface_init);
 165                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
 166                                                                  pdf_selection_iface_init);
 167                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
 168                                                                  pdf_document_page_transition_iface_init);
 169                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TEXT,
 170                                                                  pdf_document_text_iface_init);
 171                          });
 172
 173 static void
 174 pdf_document_dispose (GObject *object)
 175 {
 176         PdfDocument *pdf_document = PDF_DOCUMENT(object);
 177
 178         if (pdf_document->print_ctx) {
 179                 pdf_print_context_free (pdf_document->print_ctx);
 180                 pdf_document->print_ctx = NULL;
 181         }
 182
 183         if (pdf_document->annots) {
 184                 g_hash_table_destroy (pdf_document->annots);
 185                 pdf_document->annots = NULL;
 186         }
 187
 188         if (pdf_document->document) {
 189                 g_object_unref (pdf_document->document);
 190         }
 191
 192         if (pdf_document->font_info) {
 193                 poppler_font_info_free (pdf_document->font_info);
 194         }
 195
 196         if (pdf_document->fonts_iter) {
 197                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 198         }
 199
 200         G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
 201 }
 202
 203 static void
 204 pdf_document_init (PdfDocument *pdf_document)
 205 {
 206         pdf_document->password = NULL;
 207 }
 208
 209 static void
 210 convert_error (GError  *poppler_error,
 211                GError **error)
 212 {
 213         if (poppler_error == NULL)
 214                 return;
 215
 216         if (poppler_error->domain == POPPLER_ERROR) {
 217                 /* convert poppler errors into EvDocument errors */
 218                 gint code = EV_DOCUMENT_ERROR_INVALID;
 219                 if (poppler_error->code == POPPLER_ERROR_INVALID)
 220                         code = EV_DOCUMENT_ERROR_INVALID;
 221                 else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
 222                         code = EV_DOCUMENT_ERROR_ENCRYPTED;
 223
 224                 g_set_error_literal (error,
 225                                      EV_DOCUMENT_ERROR,
 226                                      code,
 227                                      poppler_error->message);
 228
 229                 g_error_free (poppler_error);
 230         } else {
 231                 g_propagate_error (error, poppler_error);
 232         }
 233 }
 234
 235
 236 /* EvDocument */
 237 static gboolean
 238 pdf_document_save (EvDocument  *document,
 239                    const char  *uri,
 240                    GError     **error)
 241 {
 242         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 243         gboolean retval;
 244         GError *poppler_error = NULL;
 245
 246         if (pdf_document->forms_modified || pdf_document->annots_modified) {
 247                 retval = poppler_document_save (pdf_document->document,
 248                                                 uri, &poppler_error);
 249                 if (retval) {
 250                         pdf_document->forms_modified = FALSE;
 251                         pdf_document->annots_modified = FALSE;
 252                 }
 253         } else {
 254                 retval = poppler_document_save_a_copy (pdf_document->document,
 255                                                        uri, &poppler_error);
 256         }
 257
 258         if (! retval)
 259                 convert_error (poppler_error, error);
 260
 261         return retval;
 262 }
 263
 264 static gboolean
 265 pdf_document_load (EvDocument   *document,
 266                    const char   *uri,
 267                    GError      **error)
 268 {
 269         GError *poppler_error = NULL;
 270         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 271
 272         pdf_document->document =
 273                 poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
 274
 275         if (pdf_document->document == NULL) {
 276                 convert_error (poppler_error, error);
 277                 return FALSE;
 278         }
 279
 280         return TRUE;
 281 }
 282
 283 static int
 284 pdf_document_get_n_pages (EvDocument *document)
 285 {
 286         return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
 287 }
 288
 289 static EvPage *
 290 pdf_document_get_page (EvDocument *document,
 291                        gint        index)
 292 {
 293         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 294         PopplerPage *poppler_page;
 295         EvPage      *page;
 296
 297         poppler_page = poppler_document_get_page (pdf_document->document, index);
 298         page = ev_page_new (index);
 299         page->backend_page = (EvBackendPage)g_object_ref (poppler_page);
 300         page->backend_destroy_func = (EvBackendPageDestroyFunc)g_object_unref;
 301         g_object_unref (poppler_page);
 302
 303         return page;
 304 }
 305
 306 static void
 307 pdf_document_get_page_size (EvDocument *document,
 308                             EvPage     *page,
 309                             double     *width,
 310                             double     *height)
 311 {
 312         g_return_if_fail (POPPLER_IS_PAGE (page->backend_page));
 313
 314         poppler_page_get_size (POPPLER_PAGE (page->backend_page), width, height);
 315 }
 316
 317 static char *
 318 pdf_document_get_page_label (EvDocument *document,
 319                              EvPage     *page)
 320 {
 321         char *label = NULL;
 322
 323         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
 324
 325         g_object_get (G_OBJECT (page->backend_page),
 326                       "label", &label,
 327                       NULL);
 328         return label;
 329 }
 330
 331 static cairo_surface_t *
 332 pdf_page_render (PopplerPage     *page,
 333                  gint             width,
 334                  gint             height,
 335                  EvRenderContext *rc)
 336 {
 337         cairo_surface_t *surface;
 338         cairo_t *cr;
 339
 340         surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
 341                                               width, height);
 342         cr = cairo_create (surface);
 343
 344         switch (rc->rotation) {
 345                 case 90:
 346                         cairo_translate (cr, width, 0);
 347                         break;
 348                 case 180:
 349                         cairo_translate (cr, width, height);
 350                         break;
 351                 case 270:
 352                         cairo_translate (cr, 0, height);
 353                         break;
 354                 default:
 355                         cairo_translate (cr, 0, 0);
 356         }
 357         cairo_scale (cr, rc->scale, rc->scale);
 358         cairo_rotate (cr, rc->rotation * G_PI / 180.0);
 359         poppler_page_render (page, cr);
 360
 361         cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
 362         cairo_set_source_rgb (cr, 1., 1., 1.);
 363         cairo_paint (cr);
 364
 365         cairo_destroy (cr);
 366
 367         return surface;
 368 }
 369
 370 static cairo_surface_t *
 371 pdf_document_render (EvDocument      *document,
 372                      EvRenderContext *rc)
 373 {
 374         PdfDocument *pdf_document;
 375         PopplerPage *poppler_page;
 376         double width_points, height_points;
 377         gint width, height;
 378
 379         poppler_page = POPPLER_PAGE (rc->page->backend_page);
 380
 381         poppler_page_get_size (poppler_page,
 382                                &width_points, &height_points);
 383
 384         if (rc->rotation == 90 || rc->rotation == 270) {
 385                 width = (int) ((height_points * rc->scale) + 0.5);
 386                 height = (int) ((width_points * rc->scale) + 0.5);
 387         } else {
 388                 width = (int) ((width_points * rc->scale) + 0.5);
 389                 height = (int) ((height_points * rc->scale) + 0.5);
 390         }
 391
 392         return pdf_page_render (poppler_page,
 393                                 width, height, rc);
 394 }
 395
 396 static GdkPixbuf *
 397 make_thumbnail_for_page (PopplerPage     *poppler_page,
 398                          EvRenderContext *rc,
 399                          gint             width,
 400                          gint             height)
 401 {
 402         GdkPixbuf *pixbuf;
 403
 404 #ifdef POPPLER_WITH_GDK
 405         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
 406                                  width, height);
 407         gdk_pixbuf_fill (pixbuf, 0xffffffff);
 408
 409         ev_document_fc_mutex_lock ();
 410         poppler_page_render_to_pixbuf (poppler_page, 0, 0,
 411                                        width, height,
 412                                        rc->scale, rc->rotation, pixbuf);
 413         ev_document_fc_mutex_unlock ();
 414 #else
 415         cairo_surface_t *surface;
 416
 417         ev_document_fc_mutex_lock ();
 418         surface = pdf_page_render (poppler_page, width, height, rc);
 419         ev_document_fc_mutex_unlock ();
 420
 421         pixbuf = ev_document_misc_pixbuf_from_surface (surface);
 422         cairo_surface_destroy (surface);
 423 #endif /* POPPLER_WITH_GDK */
 424
 425         return pixbuf;
 426 }
 427
 428 static GdkPixbuf *
 429 pdf_document_get_thumbnail (EvDocument      *document,
 430                             EvRenderContext *rc)
 431 {
 432         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 433         PopplerPage *poppler_page;
 434         GdkPixbuf *pixbuf = NULL;
 435         GdkPixbuf *border_pixbuf;
 436         double page_width, page_height;
 437         gint width, height;
 438
 439         poppler_page = POPPLER_PAGE (rc->page->backend_page);
 440
 441         poppler_page_get_size (poppler_page,
 442                                &page_width, &page_height);
 443
 444         width = MAX ((gint)(page_width * rc->scale + 0.5), 1);
 445         height = MAX ((gint)(page_height * rc->scale + 0.5), 1);
 446
 447         if (rc->rotation == 90 || rc->rotation == 270) {
 448                 gint  temp;
 449
 450                 temp = width;
 451                 width = height;
 452                 height = temp;
 453         }
 454
 455 #ifdef POPPLER_WITH_GDK
 456         pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page);
 457 #else
 458         cairo_surface_t *surface;
 459
 460         surface = poppler_page_get_thumbnail (poppler_page);
 461         if (surface) {
 462                 pixbuf = ev_document_misc_pixbuf_from_surface (surface);
 463                 cairo_surface_destroy (surface);
 464         }
 465 #endif /* POPPLER_WITH_GDK */
 466
 467         if (pixbuf != NULL) {
 468                 int thumb_width = (rc->rotation == 90 || rc->rotation == 270) ?
 469                         gdk_pixbuf_get_height (pixbuf) :
 470                         gdk_pixbuf_get_width (pixbuf);
 471
 472                 if (thumb_width == width) {
 473                         GdkPixbuf *rotated_pixbuf;
 474
 475                         rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
 476                                                                    (GdkPixbufRotation) (360 - rc->rotation));
 477                         g_object_unref (pixbuf);
 478                         pixbuf = rotated_pixbuf;
 479                 } else {
 480                         /* The provided thumbnail has a different size */
 481                         g_object_unref (pixbuf);
 482                         pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height);
 483                 }
 484         } else {
 485                 /* There is no provided thumbnail. We need to make one. */
 486                 pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height);
 487         }
 488
 489         return pixbuf;
 490 }
 491
 492 /* reference:
 493 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 */
 494 static char *
 495 pdf_document_get_format_from_metadata (xmlDocPtr          doc,
 496                                        xmlXPathContextPtr xpathCtx)
 497 {
 498         xmlXPathObjectPtr xpathObj;
 499         xmlChar *part = NULL;
 500         xmlChar *conf = NULL;
 501         char *result = NULL;
 502         int i;
 503
 504         /* add pdf/a namespaces */
 505         xmlXPathRegisterNs (xpathCtx, BAD_CAST "x", BAD_CAST "adobe:ns:meta/");
 506         xmlXPathRegisterNs (xpathCtx, BAD_CAST "rdf", BAD_CAST "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
 507         xmlXPathRegisterNs (xpathCtx, BAD_CAST "pdfaid", BAD_CAST "http://www.aiim.org/pdfa/ns/id/");
 508
 509         /* reads pdf/a part */
 510         /* first syntax: child node */
 511         xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:part", xpathCtx);
 512         if (xpathObj != NULL) {
 513                 if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 514                         part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 515
 516                 xmlXPathFreeObject (xpathObj);
 517         }
 518         if (part == NULL) {
 519                 /* second syntax: attribute */
 520                 xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:part", xpathCtx);
 521                 if (xpathObj != NULL) {
 522                         if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 523                                 part = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 524
 525                         xmlXPathFreeObject (xpathObj);
 526                 }
 527         }
 528
 529         /* reads pdf/a conformance */
 530         /* first syntax: child node */
 531         xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/pdfaid:conformance", xpathCtx);
 532         if (xpathObj != NULL) {
 533                 if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 534                         conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 535
 536                 xmlXPathFreeObject (xpathObj);
 537         }
 538         if (conf == NULL) {
 539                 /* second syntax: attribute */
 540                 xpathObj = xmlXPathEvalExpression (BAD_CAST "/x:xmpmeta/rdf:RDF/rdf:Description/@pdfaid:conformance", xpathCtx);
 541                 if (xpathObj != NULL) {
 542                         if (xpathObj->nodesetval != NULL && xpathObj->nodesetval->nodeNr != 0)
 543                                 conf = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 544
 545                         xmlXPathFreeObject (xpathObj);
 546                 }
 547         }
 548
 549         if (part != NULL && conf != NULL) {
 550                 /* makes conf lowercase */
 551                 for (i = 0; conf[i]; i++)
 552                         conf[i] = g_ascii_tolower (conf[i]);
 553
 554                 /* return buffer */
 555                 result = g_strdup_printf ("PDF/A - %s%s", part, conf);
 556         }
 557
 558         /* Cleanup */
 559         xmlFree (part);
 560         xmlFree (conf);
 561
 562         return result;
 563 }
 564
 565 static EvDocumentLicense *
 566 pdf_document_get_license_from_metadata (xmlDocPtr          doc,
 567                                         xmlXPathContextPtr xpathCtx)
 568 {
 569         xmlXPathObjectPtr xpathObj;
 570         xmlChar *marked = NULL;
 571         const char *language_string;
 572         char  *aux;
 573         gchar **tags;
 574         gchar *tag, *tag_aux;
 575         int i, j;
 576         EvDocumentLicense *license;
 577
 578         /* register namespaces */
 579         xmlXPathRegisterNs (xpathCtx, BAD_CAST "x", BAD_CAST "adobe:ns:meta/");
 580         xmlXPathRegisterNs (xpathCtx, BAD_CAST "rdf", BAD_CAST "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
 581         xmlXPathRegisterNs (xpathCtx, BAD_CAST "dc", BAD_CAST "http://purl.org/dc/elements/1.1/");
 582         /* XMP Rights Management Schema */
 583         xmlXPathRegisterNs (xpathCtx, BAD_CAST "xmpRights", BAD_CAST "http://ns.adobe.com/xap/1.0/rights/");
 584         /* Creative Commons Schema */
 585         xmlXPathRegisterNs (xpathCtx, BAD_CAST "cc", BAD_CAST "http://creativecommons.org/ns#");
 586
 587         /* checking if the document has been marked as defined on the XMP Rights
 588          * Management Schema */
 589         xpathObj = xmlXPathEvalExpression (BAD_CAST LICENSE_MARKED, xpathCtx);
 590         if (xpathObj != NULL) {
 591                 if (xpathObj->nodesetval != NULL &&
 592                     xpathObj->nodesetval->nodeNr != 0)
 593                         marked = xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 594                 xmlXPathFreeObject (xpathObj);
 595         }
 596
 597         /* a) Not marked => No XMP Rights information */
 598         if (!marked) {
 599                 xmlFree (marked);
 600                 return NULL;
 601         }
 602
 603         license = ev_document_license_new ();
 604
 605         /* b) Marked False => Public Domain, no copyrighted material and no
 606          * license needed */
 607         if (g_strrstr ((char *) marked, "False") != NULL) {
 608                 license->text = g_strdup (_("This work is in the Public Domain"));
 609         /* c) Marked True => Copyrighted material */
 610         } else {
 611                 /* Checking usage terms as defined by the XMP Rights Management
 612                  * Schema. This field is recomended to be checked by Creative
 613                  * Commons */
 614                 /* 1) checking for a suitable localized string */
 615                 language_string = pango_language_to_string (gtk_get_default_language ());
 616                 tags = g_strsplit (language_string, "-", -1);
 617                 i = g_strv_length (tags);
 618                 while (i-- && !license->text) {
 619                         tag = g_strdup (tags[0]);
 620                         for (j = 1; j <= i; j++) {
 621                                 tag_aux = g_strdup_printf ("%s-%s", tag, tags[j]);
 622                                 g_free (tag);
 623                                 tag = tag_aux;
 624                         }
 625                         aux = g_strdup_printf (LICENSE_TEXT, tag);
 626                         xpathObj = xmlXPathEvalExpression (BAD_CAST aux, xpathCtx);
 627                         if (xpathObj != NULL) {
 628                                 if (xpathObj->nodesetval != NULL &&
 629                                     xpathObj->nodesetval->nodeNr != 0)
 630                                         license->text = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 631                                 xmlXPathFreeObject (xpathObj);
 632                         }
 633                         g_free (tag);
 634                         g_free (aux);
 635                 }
 636                 g_strfreev(tags);
 637
 638                 /* 2) if not, use the default string */
 639                 if (!license->text) {
 640                         aux = g_strdup_printf (LICENSE_TEXT, "x-default");
 641                         xpathObj = xmlXPathEvalExpression (BAD_CAST aux, xpathCtx);
 642                         if (xpathObj != NULL) {
 643                                 if (xpathObj->nodesetval != NULL &&
 644                                     xpathObj->nodesetval->nodeNr != 0)
 645                                         license->text = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 646                                 xmlXPathFreeObject (xpathObj);
 647                         }
 648                         g_free (aux);
 649                 }
 650
 651                 /* Checking the license URI as defined by the Creative Commons
 652                  * Schema. This field is recomended to be checked by Creative
 653                  * Commons */
 654                 xpathObj = xmlXPathEvalExpression (BAD_CAST LICENSE_URI, xpathCtx);
 655                 if (xpathObj != NULL) {
 656                         if (xpathObj->nodesetval != NULL &&
 657                             xpathObj->nodesetval->nodeNr != 0)
 658                                 license->uri = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 659                         xmlXPathFreeObject (xpathObj);
 660                 }
 661
 662                 /* Checking the web statement as defined by the XMP Rights
 663                  * Management Schema. Checking it out is a sort of above-and-beyond
 664                  * the basic recommendations by Creative Commons. It can be
 665                  * considered as a "reinforcement" approach to add certainty. */
 666                 xpathObj = xmlXPathEvalExpression (BAD_CAST LICENSE_WEB_STATEMENT, xpathCtx);
 667                 if (xpathObj != NULL) {
 668                         if (xpathObj->nodesetval != NULL &&
 669                             xpathObj->nodesetval->nodeNr != 0)
 670                                 license->web_statement = (gchar *)xmlNodeGetContent (xpathObj->nodesetval->nodeTab[0]);
 671                         xmlXPathFreeObject (xpathObj);
 672                 }
 673         }
 674         xmlFree (marked);
 675
 676         if (!license->text && !license->uri && !license->web_statement) {
 677                 ev_document_license_free (license);
 678                 return NULL;
 679         }
 680
 681         return license;
 682 }
 683
 684 static void
 685 pdf_document_parse_metadata (const gchar    *metadata,
 686                              EvDocumentInfo *info)
 687 {
 688         xmlDocPtr          doc;
 689         xmlXPathContextPtr xpathCtx;
 690         gchar             *fmt;
 691
 692         doc = xmlParseMemory (metadata, strlen (metadata));
 693         if (doc == NULL)
 694                 return;         /* invalid xml metadata */
 695
 696         xpathCtx = xmlXPathNewContext (doc);
 697         if (xpathCtx == NULL) {
 698                 xmlFreeDoc (doc);
 699                 return;         /* invalid xpath context */
 700         }
 701
 702         fmt = pdf_document_get_format_from_metadata (doc, xpathCtx);
 703         if (fmt != NULL) {
 704                 g_free (info->format);
 705                 info->format = fmt;
 706         }
 707
 708         info->license = pdf_document_get_license_from_metadata (doc, xpathCtx);
 709
 710         xmlXPathFreeContext (xpathCtx);
 711         xmlFreeDoc (doc);
 712 }
 713
 714
 715 static EvDocumentInfo *
 716 pdf_document_get_info (EvDocument *document)
 717 {
 718         EvDocumentInfo *info;
 719         PopplerPageLayout layout;
 720         PopplerPageMode mode;
 721         PopplerViewerPreferences view_prefs;
 722         PopplerPermissions permissions;
 723         EvPage *page;
 724         char *metadata;
 725
 726         info = g_new0 (EvDocumentInfo, 1);
 727
 728         info->fields_mask = EV_DOCUMENT_INFO_TITLE |
 729                             EV_DOCUMENT_INFO_FORMAT |
 730                             EV_DOCUMENT_INFO_AUTHOR |
 731                             EV_DOCUMENT_INFO_SUBJECT |
 732                             EV_DOCUMENT_INFO_KEYWORDS |
 733                             EV_DOCUMENT_INFO_LAYOUT |
 734                             EV_DOCUMENT_INFO_START_MODE |
 735                             EV_DOCUMENT_INFO_PERMISSIONS |
 736                             EV_DOCUMENT_INFO_UI_HINTS |
 737                             EV_DOCUMENT_INFO_CREATOR |
 738                             EV_DOCUMENT_INFO_PRODUCER |
 739                             EV_DOCUMENT_INFO_CREATION_DATE |
 740                             EV_DOCUMENT_INFO_MOD_DATE |
 741                             EV_DOCUMENT_INFO_LINEARIZED |
 742                             EV_DOCUMENT_INFO_N_PAGES |
 743                             EV_DOCUMENT_INFO_SECURITY |
 744                             EV_DOCUMENT_INFO_PAPER_SIZE |
 745                             EV_DOCUMENT_INFO_LICENSE;
 746
 747         g_object_get (PDF_DOCUMENT (document)->document,
 748                       "title", &(info->title),
 749                       "format", &(info->format),
 750                       "author", &(info->author),
 751                       "subject", &(info->subject),
 752                       "keywords", &(info->keywords),
 753                       "page-mode", &mode,
 754                       "page-layout", &layout,
 755                       "viewer-preferences", &view_prefs,
 756                       "permissions", &permissions,
 757                       "creator", &(info->creator),
 758                       "producer", &(info->producer),
 759                       "creation-date", &(info->creation_date),
 760                       "mod-date", &(info->modified_date),
 761                       "linearized", &(info->linearized),
 762                       "metadata", &metadata,
 763                       NULL);
 764
 765         if (metadata != NULL) {
 766                 pdf_document_parse_metadata (metadata, info);
 767                 g_free (metadata);
 768         }
 769
 770         info->n_pages = ev_document_get_n_pages (document);
 771
 772         if (info->n_pages > 0) {
 773                 ev_document_get_page_size (document, 0,
 774                                            &(info->paper_width),
 775                                            &(info->paper_height));
 776                 // Convert to mm.
 777                 info->paper_width = info->paper_width / 72.0f * 25.4f;
 778                 info->paper_height = info->paper_height / 72.0f * 25.4f;
 779         }
 780
 781         switch (layout) {
 782                 case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
 783                         info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
 784                         break;
 785                 case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
 786                         info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
 787                         break;
 788                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
 789                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
 790                         break;
 791                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
 792                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
 793                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
 794                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
 795                         break;
 796                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
 797                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
 798                         break;
 799                 default:
 800                         break;
 801         }
 802
 803         switch (mode) {
 804                 case POPPLER_PAGE_MODE_NONE:
 805                         info->mode = EV_DOCUMENT_MODE_NONE;
 806                         break;
 807                 case POPPLER_PAGE_MODE_USE_THUMBS:
 808                         info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
 809                         break;
 810                 case POPPLER_PAGE_MODE_USE_OC:
 811                         info->mode = EV_DOCUMENT_MODE_USE_OC;
 812                         break;
 813                 case POPPLER_PAGE_MODE_FULL_SCREEN:
 814                         info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
 815                         break;
 816                 case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
 817                         info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
 818                 default:
 819                         break;
 820         }
 821
 822         info->ui_hints = 0;
 823         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
 824                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
 825         }
 826         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
 827                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
 828         }
 829         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
 830                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
 831         }
 832         if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
 833                 info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
 834         }
 835         if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
 836                 info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
 837         }
 838         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
 839                 info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
 840         }
 841         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
 842                 info->ui_hints |=  EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
 843         }
 844
 845         info->permissions = 0;
 846         if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
 847                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
 848         }
 849         if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
 850                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
 851         }
 852         if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
 853                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
 854         }
 855         if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
 856                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
 857         }
 858
 859         if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
 860                 /* translators: this is the document security state */
 861                 info->security = g_strdup (_("Yes"));
 862         } else {
 863                 /* translators: this is the document security state */
 864                 info->security = g_strdup (_("No"));
 865         }
 866
 867         return info;
 868 }
 869
 870 static gboolean
 871 pdf_document_get_backend_info (EvDocument *document, EvDocumentBackendInfo *info)
 872 {
 873         PopplerBackend backend;
 874
 875         backend = poppler_get_backend ();
 876         switch (backend) {
 877                 case POPPLER_BACKEND_CAIRO:
 878                         info->name = "poppler/cairo";
 879                         break;
 880                 case POPPLER_BACKEND_SPLASH:
 881                         info->name = "poppler/splash";
 882                         break;
 883                 default:
 884                         info->name = "poppler/unknown";
 885                         break;
 886         }
 887
 888         info->version = poppler_get_version ();
 889
 890         return TRUE;
 891 }
 892
 893 static gboolean
 894 pdf_document_support_synctex (EvDocument *document)
 895 {
 896         return TRUE;
 897 }
 898
 899 static void
 900 pdf_document_class_init (PdfDocumentClass *klass)
 901 {
 902         GObjectClass    *g_object_class = G_OBJECT_CLASS (klass);
 903         EvDocumentClass *ev_document_class = EV_DOCUMENT_CLASS (klass);
 904
 905         g_object_class->dispose = pdf_document_dispose;
 906
 907         ev_document_class->save = pdf_document_save;
 908         ev_document_class->load = pdf_document_load;
 909         ev_document_class->get_n_pages = pdf_document_get_n_pages;
 910         ev_document_class->get_page = pdf_document_get_page;
 911         ev_document_class->get_page_size = pdf_document_get_page_size;
 912         ev_document_class->get_page_label = pdf_document_get_page_label;
 913         ev_document_class->render = pdf_document_render;
 914         ev_document_class->get_thumbnail = pdf_document_get_thumbnail;
 915         ev_document_class->get_info = pdf_document_get_info;
 916         ev_document_class->get_backend_info = pdf_document_get_backend_info;
 917         ev_document_class->support_synctex = pdf_document_support_synctex;
 918 }
 919
 920 /* EvDocumentSecurity */
 921 static gboolean
 922 pdf_document_has_document_security (EvDocumentSecurity *document_security)
 923 {
 924         /* FIXME: do we really need to have this? */
 925         return FALSE;
 926 }
 927
 928 static void
 929 pdf_document_set_password (EvDocumentSecurity *document_security,
 930                            const char         *password)
 931 {
 932         PdfDocument *document = PDF_DOCUMENT (document_security);
 933
 934         if (document->password)
 935                 g_free (document->password);
 936
 937         document->password = g_strdup (password);
 938 }
 939
 940 static void
 941 pdf_document_security_iface_init (EvDocumentSecurityInterface *iface)
 942 {
 943         iface->has_document_security = pdf_document_has_document_security;
 944         iface->set_password = pdf_document_set_password;
 945 }
 946
 947 static gdouble
 948 pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts)
 949 {
 950         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 951         int n_pages;
 952
 953         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 954
 955         return (double)pdf_document->fonts_scanned_pages / (double)n_pages;
 956 }
 957
 958 static gboolean
 959 pdf_document_fonts_scan (EvDocumentFonts *document_fonts,
 960                          int              n_pages)
 961 {
 962         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 963         gboolean result;
 964
 965         g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE);
 966
 967         if (pdf_document->font_info == NULL) {
 968                 pdf_document->font_info = poppler_font_info_new (pdf_document->document);
 969         }
 970
 971         if (pdf_document->fonts_iter) {
 972                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 973         }
 974
 975         pdf_document->fonts_scanned_pages += n_pages;
 976
 977         result = poppler_font_info_scan (pdf_document->font_info, n_pages,
 978                                          &pdf_document->fonts_iter);
 979         if (!result) {
 980                 pdf_document->fonts_scanned_pages = 0;
 981                 poppler_font_info_free (pdf_document->font_info);
 982                 pdf_document->font_info = NULL;
 983         }
 984
 985         return result;
 986 }
 987
 988 static const char *
 989 font_type_to_string (PopplerFontType type)
 990 {
 991         switch (type) {
 992                 case POPPLER_FONT_TYPE_TYPE1:
 993                         return _("Type 1");
 994                 case POPPLER_FONT_TYPE_TYPE1C:
 995                         return _("Type 1C");
 996                 case POPPLER_FONT_TYPE_TYPE3:
 997                         return _("Type 3");
 998                 case POPPLER_FONT_TYPE_TRUETYPE:
 999                         return _("TrueType");
1000                 case POPPLER_FONT_TYPE_CID_TYPE0:
1001                         return _("Type 1 (CID)");
1002                 case POPPLER_FONT_TYPE_CID_TYPE0C:
1003                         return _("Type 1C (CID)");
1004                 case POPPLER_FONT_TYPE_CID_TYPE2:
1005                         return _("TrueType (CID)");
1006                 default:
1007                         return _("Unknown font type");
1008         }
1009 }
1010
1011 static void
1012 pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts,
1013                                GtkTreeModel    *model)
1014 {
1015         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
1016         PopplerFontsIter *iter = pdf_document->fonts_iter;
1017
1018         g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
1019
1020         if (!iter)
1021                 return;
1022
1023         do {
1024                 GtkTreeIter list_iter;
1025                 const char *name;
1026                 const char *type;
1027                 const char *embedded;
1028                 char *details;
1029
1030                 name = poppler_fonts_iter_get_name (iter);
1031
1032                 if (name == NULL) {
1033                         name = _("No name");
1034                 }
1035
1036                 type = font_type_to_string (
1037                         poppler_fonts_iter_get_font_type (iter));
1038
1039                 if (poppler_fonts_iter_is_embedded (iter)) {
1040                         if (poppler_fonts_iter_is_subset (iter))
1041                                 embedded = _("Embedded subset");
1042                         else
1043                                 embedded = _("Embedded");
1044                 } else {
1045                         embedded = _("Not embedded");
1046                 }
1047
1048                 details = g_markup_printf_escaped ("%s\n%s", type, embedded);
1049
1050                 gtk_list_store_append (GTK_LIST_STORE (model), &list_iter);
1051                 gtk_list_store_set (GTK_LIST_STORE (model), &list_iter,
1052                                     EV_DOCUMENT_FONTS_COLUMN_NAME, name,
1053                                     EV_DOCUMENT_FONTS_COLUMN_DETAILS, details,
1054                                     -1);
1055
1056                 g_free (details);
1057         } while (poppler_fonts_iter_next (iter));
1058 }
1059
1060 static void
1061 pdf_document_document_fonts_iface_init (EvDocumentFontsInterface *iface)
1062 {
1063         iface->fill_model = pdf_document_fonts_fill_model;
1064         iface->scan = pdf_document_fonts_scan;
1065         iface->get_progress = pdf_document_fonts_get_progress;
1066 }
1067
1068 static gboolean
1069 pdf_document_links_has_document_links (EvDocumentLinks *document_links)
1070 {
1071         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
1072         PopplerIndexIter *iter;
1073
1074         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
1075
1076         iter = poppler_index_iter_new (pdf_document->document);
1077         if (iter == NULL)
1078                 return FALSE;
1079         poppler_index_iter_free (iter);
1080
1081         return TRUE;
1082 }
1083
1084 static EvLinkDest *
1085 ev_link_dest_from_dest (PdfDocument *pdf_document,
1086                         PopplerDest *dest)
1087 {
1088         EvLinkDest *ev_dest = NULL;
1089         const char *unimplemented_dest = NULL;
1090
1091         g_assert (dest != NULL);
1092
1093         switch (dest->type) {
1094                 case POPPLER_DEST_XYZ: {
1095                         PopplerPage *poppler_page;
1096                         double height;
1097
1098                         poppler_page = poppler_document_get_page (pdf_document->document,
1099                                                                   MAX (0, dest->page_num - 1));
1100                         poppler_page_get_size (poppler_page, NULL, &height);
1101                         ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
1102                                                         dest->left,
1103                                                         height - MIN (height, dest->top),
1104                                                         dest->zoom,
1105                                                         dest->change_left,
1106                                                         dest->change_top,
1107                                                         dest->change_zoom);
1108                         g_object_unref (poppler_page);
1109                 }
1110                         break;
1111                 case POPPLER_DEST_FITB:
1112                 case POPPLER_DEST_FIT:
1113                         ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
1114                         break;
1115                 case POPPLER_DEST_FITBH:
1116                 case POPPLER_DEST_FITH: {
1117                         PopplerPage *poppler_page;
1118                         double height;
1119
1120                         poppler_page = poppler_document_get_page (pdf_document->document,
1121                                                                   MAX (0, dest->page_num - 1));
1122                         poppler_page_get_size (poppler_page, NULL, &height);
1123                         ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
1124                                                          height - MIN (height, dest->top),
1125                                                          dest->change_top);
1126                         g_object_unref (poppler_page);
1127                 }
1128                         break;
1129                 case POPPLER_DEST_FITBV:
1130                 case POPPLER_DEST_FITV:
1131                         ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
1132                                                          dest->left,
1133                                                          dest->change_left);
1134                         break;
1135                 case POPPLER_DEST_FITR: {
1136                         PopplerPage *poppler_page;
1137                         double height;
1138
1139                         poppler_page = poppler_document_get_page (pdf_document->document,
1140                                                                   MAX (0, dest->page_num - 1));
1141                         poppler_page_get_size (poppler_page, NULL, &height);
1142                         ev_dest = ev_link_dest_new_fitr (dest->page_num - 1,
1143                                                          dest->left,
1144                                                          height - MIN (height, dest->bottom),
1145                                                          dest->right,
1146                                                          height - MIN (height, dest->top));
1147                         g_object_unref (poppler_page);
1148                 }
1149                         break;
1150                 case POPPLER_DEST_NAMED:
1151                         ev_dest = ev_link_dest_new_named (dest->named_dest);
1152                         break;
1153                 case POPPLER_DEST_UNKNOWN:
1154                         unimplemented_dest = "POPPLER_DEST_UNKNOWN";
1155                         break;
1156         }
1157
1158         if (unimplemented_dest) {
1159                 g_warning ("Unimplemented destination: %s, please post a "
1160                            "bug report in Evince bugzilla "
1161                            "(http://bugzilla.gnome.org) with a testcase.",
1162                            unimplemented_dest);
1163         }
1164
1165         if (!ev_dest)
1166                 ev_dest = ev_link_dest_new_page (dest->page_num - 1);
1167
1168         return ev_dest;
1169 }
1170
1171 static EvLink *
1172 ev_link_from_action (PdfDocument   *pdf_document,
1173                      PopplerAction *action)
1174 {
1175         EvLink       *link = NULL;
1176         EvLinkAction *ev_action = NULL;
1177         const char   *unimplemented_action = NULL;
1178
1179         switch (action->type) {
1180                 case POPPLER_ACTION_NONE:
1181                         break;
1182                 case POPPLER_ACTION_GOTO_DEST: {
1183                         EvLinkDest *dest;
1184
1185                         dest = ev_link_dest_from_dest (pdf_document, action->goto_dest.dest);
1186                         ev_action = ev_link_action_new_dest (dest);
1187                 }
1188                         break;
1189                 case POPPLER_ACTION_GOTO_REMOTE: {
1190                         EvLinkDest *dest;
1191
1192                         dest = ev_link_dest_from_dest (pdf_document, action->goto_remote.dest);
1193                         ev_action = ev_link_action_new_remote (dest,
1194                                                                action->goto_remote.file_name);
1195
1196                 }
1197                         break;
1198                 case POPPLER_ACTION_LAUNCH:
1199                         ev_action = ev_link_action_new_launch (action->launch.file_name,
1200                                                                action->launch.params);
1201                         break;
1202                 case POPPLER_ACTION_URI:
1203                         ev_action = ev_link_action_new_external_uri (action->uri.uri);
1204                         break;
1205                 case POPPLER_ACTION_NAMED:
1206                         ev_action = ev_link_action_new_named (action->named.named_dest);
1207                         break;
1208                 case POPPLER_ACTION_MOVIE:
1209                         unimplemented_action = "POPPLER_ACTION_MOVIE";
1210                         break;
1211 #if POPPLER_CHECK_VERSION (0, 13, 2)
1212                 case POPPLER_ACTION_RENDITION:
1213                         unimplemented_action = "POPPLER_ACTION_RENDITION";
1214                         break;
1215                 case POPPLER_ACTION_OCG_STATE:
1216                         unimplemented_action = "POPPLER_ACTION_OCG_STATE";
1217                         break;
1218 #endif
1219                 case POPPLER_ACTION_UNKNOWN:
1220                         unimplemented_action = "POPPLER_ACTION_UNKNOWN";
1221         }
1222
1223         if (unimplemented_action) {
1224                 g_warning ("Unimplemented action: %s, please post a bug report "
1225                            "in Evince bugzilla (http://bugzilla.gnome.org) "
1226                            "with a testcase.", unimplemented_action);
1227         }
1228
1229         link = ev_link_new (action->any.title, ev_action);
1230
1231         return link;
1232 }
1233
1234 static void
1235 build_tree (PdfDocument      *pdf_document,
1236             GtkTreeModel     *model,
1237             GtkTreeIter      *parent,
1238             PopplerIndexIter *iter)
1239 {
1240
1241         do {
1242                 GtkTreeIter tree_iter;
1243                 PopplerIndexIter *child;
1244                 PopplerAction *action;
1245                 EvLink *link = NULL;
1246                 gboolean expand;
1247                 char *title_markup;
1248
1249                 action = poppler_index_iter_get_action (iter);
1250                 expand = poppler_index_iter_is_open (iter);
1251
1252                 if (!action)
1253                         continue;
1254
1255                 link = ev_link_from_action (pdf_document, action);
1256                 if (!link || strlen (ev_link_get_title (link)) <= 0) {
1257                         poppler_action_free (action);
1258                         if (link)
1259                                 g_object_unref (link);
1260
1261                         continue;
1262                 }
1263
1264                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
1265                 title_markup = g_markup_escape_text (ev_link_get_title (link), -1);
1266
1267                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
1268                                     EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
1269                                     EV_DOCUMENT_LINKS_COLUMN_LINK, link,
1270                                     EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
1271                                     -1);
1272
1273                 g_free (title_markup);
1274                 g_object_unref (link);
1275
1276                 child = poppler_index_iter_get_child (iter);
1277                 if (child)
1278                         build_tree (pdf_document, model, &tree_iter, child);
1279                 poppler_index_iter_free (child);
1280                 poppler_action_free (action);
1281
1282         } while (poppler_index_iter_next (iter));
1283 }
1284
1285 static GtkTreeModel *
1286 pdf_document_links_get_links_model (EvDocumentLinks *document_links)
1287 {
1288         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
1289         GtkTreeModel *model = NULL;
1290         PopplerIndexIter *iter;
1291
1292         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
1293
1294         iter = poppler_index_iter_new (pdf_document->document);
1295         /* Create the model if we have items*/
1296         if (iter != NULL) {
1297                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
1298                                                              G_TYPE_STRING,
1299                                                              G_TYPE_OBJECT,
1300                                                              G_TYPE_BOOLEAN,
1301                                                              G_TYPE_STRING);
1302                 build_tree (pdf_document, model, NULL, iter);
1303                 poppler_index_iter_free (iter);
1304         }
1305
1306         return model;
1307 }
1308
1309 static EvMappingList *
1310 pdf_document_links_get_links (EvDocumentLinks *document_links,
1311                               EvPage          *page)
1312 {
1313         PdfDocument *pdf_document;
1314         PopplerPage *poppler_page;
1315         GList *retval = NULL;
1316         GList *mapping_list;
1317         GList *list;
1318         double height;
1319
1320         pdf_document = PDF_DOCUMENT (document_links);
1321         poppler_page = POPPLER_PAGE (page->backend_page);
1322         mapping_list = poppler_page_get_link_mapping (poppler_page);
1323         poppler_page_get_size (poppler_page, NULL, &height);
1324
1325         for (list = mapping_list; list; list = list->next) {
1326                 PopplerLinkMapping *link_mapping;
1327                 EvMapping *ev_link_mapping;
1328
1329                 link_mapping = (PopplerLinkMapping *)list->data;
1330                 ev_link_mapping = g_new (EvMapping, 1);
1331                 ev_link_mapping->data = ev_link_from_action (pdf_document,
1332                                                              link_mapping->action);
1333                 ev_link_mapping->area.x1 = link_mapping->area.x1;
1334                 ev_link_mapping->area.x2 = link_mapping->area.x2;
1335                 /* Invert this for X-style coordinates */
1336                 ev_link_mapping->area.y1 = height - link_mapping->area.y2;
1337                 ev_link_mapping->area.y2 = height - link_mapping->area.y1;
1338
1339                 retval = g_list_prepend (retval, ev_link_mapping);
1340         }
1341
1342         poppler_page_free_link_mapping (mapping_list);
1343
1344         return ev_mapping_list_new (page->index, g_list_reverse (retval), (GDestroyNotify)g_object_unref);
1345 }
1346
1347 static EvLinkDest *
1348 pdf_document_links_find_link_dest (EvDocumentLinks  *document_links,
1349                                    const gchar      *link_name)
1350 {
1351         PdfDocument *pdf_document;
1352         PopplerDest *dest;
1353         EvLinkDest *ev_dest = NULL;
1354
1355         pdf_document = PDF_DOCUMENT (document_links);
1356         dest = poppler_document_find_dest (pdf_document->document,
1357                                            link_name);
1358         if (dest) {
1359                 ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1360                 poppler_dest_free (dest);
1361         }
1362
1363         return ev_dest;
1364 }
1365
1366 static gint
1367 pdf_document_links_find_link_page (EvDocumentLinks  *document_links,
1368                                    const gchar      *link_name)
1369 {
1370         PdfDocument *pdf_document;
1371         PopplerDest *dest;
1372         gint         retval = -1;
1373
1374         pdf_document = PDF_DOCUMENT (document_links);
1375         dest = poppler_document_find_dest (pdf_document->document,
1376                                            link_name);
1377         if (dest) {
1378                 retval = dest->page_num - 1;
1379                 poppler_dest_free (dest);
1380         }
1381
1382         return retval;
1383 }
1384
1385 static void
1386 pdf_document_document_links_iface_init (EvDocumentLinksInterface *iface)
1387 {
1388         iface->has_document_links = pdf_document_links_has_document_links;
1389         iface->get_links_model = pdf_document_links_get_links_model;
1390         iface->get_links = pdf_document_links_get_links;
1391         iface->find_link_dest = pdf_document_links_find_link_dest;
1392         iface->find_link_page = pdf_document_links_find_link_page;
1393 }
1394
1395 static EvMappingList *
1396 pdf_document_images_get_image_mapping (EvDocumentImages *document_images,
1397                                        EvPage           *page)
1398 {
1399         GList *retval = NULL;
1400         PdfDocument *pdf_document;
1401         PopplerPage *poppler_page;
1402         GList *mapping_list;
1403         GList *list;
1404
1405         pdf_document = PDF_DOCUMENT (document_images);
1406         poppler_page = POPPLER_PAGE (page->backend_page);
1407         mapping_list = poppler_page_get_image_mapping (poppler_page);
1408
1409         for (list = mapping_list; list; list = list->next) {
1410                 PopplerImageMapping *image_mapping;
1411                 EvMapping *ev_image_mapping;
1412
1413                 image_mapping = (PopplerImageMapping *)list->data;
1414
1415                 ev_image_mapping = g_new (EvMapping, 1);
1416
1417                 ev_image_mapping->data = ev_image_new (page->index, image_mapping->image_id);
1418                 ev_image_mapping->area.x1 = image_mapping->area.x1;
1419                 ev_image_mapping->area.y1 = image_mapping->area.y1;
1420                 ev_image_mapping->area.x2 = image_mapping->area.x2;
1421                 ev_image_mapping->area.y2 = image_mapping->area.y2;
1422
1423                 retval = g_list_prepend (retval, ev_image_mapping);
1424         }
1425
1426         poppler_page_free_image_mapping (mapping_list);
1427
1428         return ev_mapping_list_new (page->index, g_list_reverse (retval), (GDestroyNotify)g_object_unref);
1429 }
1430
1431 GdkPixbuf *
1432 pdf_document_images_get_image (EvDocumentImages *document_images,
1433                                EvImage          *image)
1434 {
1435         GdkPixbuf       *retval = NULL;
1436         PdfDocument     *pdf_document;
1437         PopplerPage     *poppler_page;
1438         cairo_surface_t *surface;
1439
1440         pdf_document = PDF_DOCUMENT (document_images);
1441         poppler_page = poppler_document_get_page (pdf_document->document,
1442                                                   ev_image_get_page (image));
1443
1444         surface = poppler_page_get_image (poppler_page, ev_image_get_id (image));
1445         if (surface) {
1446                 retval = ev_document_misc_pixbuf_from_surface (surface);
1447                 cairo_surface_destroy (surface);
1448         }
1449
1450         g_object_unref (poppler_page);
1451
1452         return retval;
1453 }
1454
1455 static void
1456 pdf_document_document_images_iface_init (EvDocumentImagesInterface *iface)
1457 {
1458         iface->get_image_mapping = pdf_document_images_get_image_mapping;
1459         iface->get_image = pdf_document_images_get_image;
1460 }
1461
1462 static GList *
1463 pdf_document_find_find_text (EvDocumentFind *document_find,
1464                              EvPage         *page,
1465                              const gchar    *text,
1466                              gboolean        case_sensitive)
1467 {
1468         GList *matches, *l;
1469         PopplerPage *poppler_page;
1470         gdouble height;
1471         GList *retval = NULL;
1472
1473         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
1474         g_return_val_if_fail (text != NULL, NULL);
1475
1476         poppler_page = POPPLER_PAGE (page->backend_page);
1477
1478         matches = poppler_page_find_text (poppler_page, text);
1479         if (!matches)
1480                 return NULL;
1481
1482         poppler_page_get_size (poppler_page, NULL, &height);
1483         for (l = matches; l && l->data; l = g_list_next (l)) {
1484                 PopplerRectangle *rect = (PopplerRectangle *)l->data;
1485                 EvRectangle      *ev_rect;
1486
1487                 ev_rect = ev_rectangle_new ();
1488                 ev_rect->x1 = rect->x1;
1489                 ev_rect->x2 = rect->x2;
1490                 /* Invert this for X-style coordinates */
1491                 ev_rect->y1 = height - rect->y2;
1492                 ev_rect->y2 = height - rect->y1;
1493
1494                 retval = g_list_prepend (retval, ev_rect);
1495         }
1496
1497         g_list_foreach (matches, (GFunc)poppler_rectangle_free, NULL);
1498         g_list_free (matches);
1499
1500         return g_list_reverse (retval);
1501 }
1502
1503 static void
1504 pdf_document_find_iface_init (EvDocumentFindInterface *iface)
1505 {
1506         iface->find_text = pdf_document_find_find_text;
1507 }
1508
1509 static void
1510 pdf_print_context_free (PdfPrintContext *ctx)
1511 {
1512         if (!ctx)
1513                 return;
1514
1515 #ifdef HAVE_CAIRO_PRINT
1516         if (ctx->cr) {
1517                 cairo_destroy (ctx->cr);
1518                 ctx->cr = NULL;
1519         }
1520 #else
1521         if (ctx->ps_file) {
1522                 poppler_ps_file_free (ctx->ps_file);
1523                 ctx->ps_file = NULL;
1524         }
1525 #endif
1526         g_free (ctx);
1527 }
1528
1529 static void
1530 pdf_document_file_exporter_begin (EvFileExporter        *exporter,
1531                                   EvFileExporterContext *fc)
1532 {
1533         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1534         PdfPrintContext *ctx;
1535 #ifdef HAVE_CAIRO_PRINT
1536         gdouble width, height;
1537         cairo_surface_t *surface = NULL;
1538 #endif
1539
1540         if (pdf_document->print_ctx)
1541                 pdf_print_context_free (pdf_document->print_ctx);
1542         pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
1543         ctx = pdf_document->print_ctx;
1544         ctx->format = fc->format;
1545
1546 #ifdef HAVE_CAIRO_PRINT
1547         ctx->pages_per_sheet = CLAMP (fc->pages_per_sheet, 1, 16);
1548
1549         ctx->paper_width = fc->paper_width;
1550         ctx->paper_height = fc->paper_height;
1551
1552         switch (fc->pages_per_sheet) {
1553                 default:
1554                 case 1:
1555                         ctx->pages_x = 1;
1556                         ctx->pages_y = 1;
1557                         break;
1558                 case 2:
1559                         ctx->pages_x = 1;
1560                         ctx->pages_y = 2;
1561                         break;
1562                 case 4:
1563                         ctx->pages_x = 2;
1564                         ctx->pages_y = 2;
1565                         break;
1566                 case 6:
1567                         ctx->pages_x = 2;
1568                         ctx->pages_y = 3;
1569                         break;
1570                 case 9:
1571                         ctx->pages_x = 3;
1572                         ctx->pages_y = 3;
1573                         break;
1574                 case 16:
1575                         ctx->pages_x = 4;
1576                         ctx->pages_y = 4;
1577                         break;
1578         }
1579
1580         ctx->pages_printed = 0;
1581
1582         switch (fc->format) {
1583                 case EV_FILE_FORMAT_PS:
1584 #ifdef HAVE_CAIRO_PS
1585                         surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1586 #endif
1587                         break;
1588                 case EV_FILE_FORMAT_PDF:
1589 #ifdef HAVE_CAIRO_PDF
1590                         surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1591 #endif
1592                         break;
1593                 default:
1594                         g_assert_not_reached ();
1595         }
1596
1597         ctx->cr = cairo_create (surface);
1598         cairo_surface_destroy (surface);
1599
1600 #else /* HAVE_CAIRO_PRINT */
1601         if (ctx->format == EV_FILE_FORMAT_PS) {
1602                 ctx->ps_file = poppler_ps_file_new (pdf_document->document,
1603                                                     fc->filename, fc->first_page,
1604                                                     fc->last_page - fc->first_page + 1);
1605                 poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
1606                 poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
1607         }
1608 #endif /* HAVE_CAIRO_PRINT */
1609 }
1610
1611 static void
1612 pdf_document_file_exporter_begin_page (EvFileExporter *exporter)
1613 {
1614         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1615         PdfPrintContext *ctx = pdf_document->print_ctx;
1616
1617         g_return_if_fail (pdf_document->print_ctx != NULL);
1618
1619         ctx->pages_printed = 0;
1620
1621 #ifdef HAVE_CAIRO_PRINT
1622         if (ctx->paper_width > ctx->paper_height) {
1623                 if (ctx->format == EV_FILE_FORMAT_PS) {
1624                         cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
1625                                                    ctx->paper_height,
1626                                                    ctx->paper_width);
1627                 } else if (ctx->format == EV_FILE_FORMAT_PDF) {
1628                         cairo_pdf_surface_set_size (cairo_get_target (ctx->cr),
1629                                                     ctx->paper_height,
1630                                                     ctx->paper_width);
1631                 }
1632         }
1633 #endif /* HAVE_CAIRO_PRINT */
1634 }
1635
1636 static void
1637 pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
1638                                     EvRenderContext *rc)
1639 {
1640         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1641         PdfPrintContext *ctx = pdf_document->print_ctx;
1642         PopplerPage *poppler_page;
1643 #ifdef HAVE_CAIRO_PRINT
1644         gdouble  page_width, page_height;
1645         gint     x, y;
1646         gboolean rotate;
1647         gdouble  width, height;
1648         gdouble  pwidth, pheight;
1649         gdouble  xscale, yscale;
1650 #endif
1651
1652         g_return_if_fail (pdf_document->print_ctx != NULL);
1653
1654         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1655
1656 #ifdef HAVE_CAIRO_PRINT
1657         x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x;
1658         y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x;
1659         poppler_page_get_size (poppler_page, &page_width, &page_height);
1660
1661         if (page_width > page_height && page_width > ctx->paper_width) {
1662                 rotate = TRUE;
1663         } else {
1664                 rotate = FALSE;
1665         }
1666
1667         /* Use always portrait mode and rotate when necessary */
1668         if (ctx->paper_width > ctx->paper_height) {
1669                 width = ctx->paper_height;
1670                 height = ctx->paper_width;
1671                 rotate = !rotate;
1672         } else {
1673                 width = ctx->paper_width;
1674                 height = ctx->paper_height;
1675         }
1676
1677         if (ctx->pages_per_sheet == 2 || ctx->pages_per_sheet == 6) {
1678                 rotate = !rotate;
1679         }
1680
1681         if (rotate) {
1682                 gint tmp1;
1683                 gdouble tmp2;
1684
1685                 tmp1 = x;
1686                 x = y;
1687                 y = tmp1;
1688
1689                 tmp2 = page_width;
1690                 page_width = page_height;
1691                 page_height = tmp2;
1692         }
1693
1694         pwidth = width / ctx->pages_x;
1695         pheight = height / ctx->pages_y;
1696
1697         if ((page_width > pwidth || page_height > pheight) ||
1698             (page_width < pwidth && page_height < pheight)) {
1699                 xscale = pwidth / page_width;
1700                 yscale = pheight / page_height;
1701
1702                 if (yscale < xscale) {
1703                         xscale = yscale;
1704                 } else {
1705                         yscale = xscale;
1706                 }
1707
1708         } else {
1709                 xscale = yscale = 1;
1710         }
1711
1712         /* TODO: center */
1713
1714         cairo_save (ctx->cr);
1715         if (rotate) {
1716                 cairo_matrix_t matrix;
1717
1718                 cairo_translate (ctx->cr, (2 * y + 1) * pwidth, 0);
1719                 cairo_matrix_init (&matrix,
1720                                    0,  1,
1721                                    -1,  0,
1722                                    0,  0);
1723                 cairo_transform (ctx->cr, &matrix);
1724         }
1725
1726         cairo_translate (ctx->cr,
1727                          x * (rotate ? pheight : pwidth),
1728                          y * (rotate ? pwidth : pheight));
1729         cairo_scale (ctx->cr, xscale, yscale);
1730
1731         poppler_page_render_for_printing (poppler_page, ctx->cr);
1732
1733         ctx->pages_printed++;
1734
1735         cairo_restore (ctx->cr);
1736 #else /* HAVE_CAIRO_PRINT */
1737         if (ctx->format == EV_FILE_FORMAT_PS)
1738                 poppler_page_render_to_ps (poppler_page, ctx->ps_file);
1739 #endif /* HAVE_CAIRO_PRINT */
1740 }
1741
1742 static void
1743 pdf_document_file_exporter_end_page (EvFileExporter *exporter)
1744 {
1745         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1746         PdfPrintContext *ctx = pdf_document->print_ctx;
1747
1748         g_return_if_fail (pdf_document->print_ctx != NULL);
1749
1750 #ifdef HAVE_CAIRO_PRINT
1751         cairo_show_page (ctx->cr);
1752 #endif
1753 }
1754
1755 static void
1756 pdf_document_file_exporter_end (EvFileExporter *exporter)
1757 {
1758         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1759
1760         pdf_print_context_free (pdf_document->print_ctx);
1761         pdf_document->print_ctx = NULL;
1762 }
1763
1764 static EvFileExporterCapabilities
1765 pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter)
1766 {
1767         return  (EvFileExporterCapabilities) (
1768                 EV_FILE_EXPORTER_CAN_PAGE_SET |
1769                 EV_FILE_EXPORTER_CAN_COPIES |
1770                 EV_FILE_EXPORTER_CAN_COLLATE |
1771                 EV_FILE_EXPORTER_CAN_REVERSE |
1772                 EV_FILE_EXPORTER_CAN_SCALE |
1773 #ifdef HAVE_CAIRO_PRINT
1774                 EV_FILE_EXPORTER_CAN_NUMBER_UP |
1775 #endif
1776
1777 #ifdef HAVE_CAIRO_PDF
1778                 EV_FILE_EXPORTER_CAN_GENERATE_PDF |
1779 #endif
1780                 EV_FILE_EXPORTER_CAN_GENERATE_PS);
1781 }
1782
1783 static void
1784 pdf_document_file_exporter_iface_init (EvFileExporterInterface *iface)
1785 {
1786         iface->begin = pdf_document_file_exporter_begin;
1787         iface->begin_page = pdf_document_file_exporter_begin_page;
1788         iface->do_page = pdf_document_file_exporter_do_page;
1789         iface->end_page = pdf_document_file_exporter_end_page;
1790         iface->end = pdf_document_file_exporter_end;
1791         iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
1792 }
1793
1794 /* EvDocumentPrint */
1795 static void
1796 pdf_document_print_print_page (EvDocumentPrint *document,
1797                                EvPage          *page,
1798                                cairo_t         *cr)
1799 {
1800         PdfDocument *pdf_document = PDF_DOCUMENT (document);
1801
1802         poppler_page_render_for_printing (POPPLER_PAGE (page->backend_page), cr);
1803 }
1804
1805 static void
1806 pdf_document_document_print_iface_init (EvDocumentPrintInterface *iface)
1807 {
1808         iface->print_page = pdf_document_print_print_page;
1809 }
1810
1811 static void
1812 pdf_selection_render_selection (EvSelection      *selection,
1813                                 EvRenderContext  *rc,
1814                                 cairo_surface_t **surface,
1815                                 EvRectangle      *points,
1816                                 EvRectangle      *old_points,
1817                                 EvSelectionStyle  style,
1818                                 GdkColor         *text,
1819                                 GdkColor         *base)
1820 {
1821         PopplerPage *poppler_page;
1822         cairo_t *cr;
1823         PopplerColor text_color, base_color;
1824         double width_points, height_points;
1825         gint width, height;
1826
1827         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1828
1829         poppler_page_get_size (poppler_page,
1830                                &width_points, &height_points);
1831         width = (int) ((width_points * rc->scale) + 0.5);
1832         height = (int) ((height_points * rc->scale) + 0.5);
1833
1834         text_color.red = text->red;
1835         text_color.green = text->green;
1836         text_color.blue = text->blue;
1837
1838         base_color.red = base->red;
1839         base_color.green = base->green;
1840         base_color.blue = base->blue;
1841
1842         if (*surface == NULL) {
1843                 *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
1844                                                        width, height);
1845
1846         }
1847
1848         cr = cairo_create (*surface);
1849         cairo_scale (cr, rc->scale, rc->scale);
1850         cairo_surface_set_device_offset (*surface, 0, 0);
1851         memset (cairo_image_surface_get_data (*surface), 0x00,
1852                 cairo_image_surface_get_height (*surface) *
1853                 cairo_image_surface_get_stride (*surface));
1854         poppler_page_render_selection (poppler_page,
1855                                        cr,
1856                                        (PopplerRectangle *)points,
1857                                        (PopplerRectangle *)old_points,
1858                                        (PopplerSelectionStyle)style,
1859                                        &text_color,
1860                                        &base_color);
1861         cairo_destroy (cr);
1862 }
1863
1864 static gchar *
1865 pdf_selection_get_selected_text (EvSelection     *selection,
1866                                  EvPage          *page,
1867                                  EvSelectionStyle style,
1868                                  EvRectangle     *points)
1869 {
1870         PopplerPage *poppler_page;
1871         char *retval;
1872
1873         poppler_page = POPPLER_PAGE (page->backend_page);
1874
1875 #ifdef HAVE_POPPLER_PAGE_GET_SELECTED_TEXT
1876         retval = poppler_page_get_selected_text (poppler_page,
1877                                                  (PopplerSelectionStyle)style,
1878                                                  (PopplerRectangle *)points);
1879 #else
1880         PopplerRectangle r;
1881         double height;
1882
1883         poppler_page_get_size (poppler_page, NULL, &height);
1884         r.x1 = points->x1;
1885         r.y1 = height - points->y2;
1886         r.x2 = points->x2;
1887         r.y2 = height - points->y1;
1888
1889         retval = poppler_page_get_text (poppler_page,
1890                                         (PopplerSelectionStyle)style,
1891                                         &r);
1892 #endif /* HAVE_POPPLER_PAGE_GET_SELECTED_TEXT */
1893
1894         return retval;
1895 }
1896
1897 static cairo_region_t *
1898 create_region_from_poppler_region (GList *region, gdouble scale)
1899 {
1900         GList *l;
1901         cairo_region_t *retval;
1902
1903         retval = cairo_region_create ();
1904
1905         for (l = region; l; l = g_list_next (l)) {
1906                 PopplerRectangle   *rectangle;
1907                 cairo_rectangle_int_t rect;
1908
1909                 rectangle = (PopplerRectangle *)l->data;
1910
1911                 rect.x = (gint) ((rectangle->x1 * scale) + 0.5);
1912                 rect.y = (gint) ((rectangle->y1 * scale) + 0.5);
1913                 rect.width  = (gint) (((rectangle->x2 - rectangle->x1) * scale) + 0.5);
1914                 rect.height = (gint) (((rectangle->y2 - rectangle->y1) * scale) + 0.5);
1915                 cairo_region_union_rectangle (retval, &rect);
1916
1917                 poppler_rectangle_free (rectangle);
1918         }
1919
1920         return retval;
1921 }
1922
1923 static cairo_region_t *
1924 pdf_selection_get_selection_region (EvSelection     *selection,
1925                                     EvRenderContext *rc,
1926                                     EvSelectionStyle style,
1927                                     EvRectangle     *points)
1928 {
1929         PopplerPage    *poppler_page;
1930         cairo_region_t *retval;
1931         GList          *region;
1932
1933         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1934         region = poppler_page_get_selection_region (poppler_page,
1935                                                     1.0,
1936                                                     (PopplerSelectionStyle)style,
1937                                                     (PopplerRectangle *) points);
1938         retval = create_region_from_poppler_region (region, rc->scale);
1939         g_list_free (region);
1940
1941         return retval;
1942 }
1943
1944 static void
1945 pdf_selection_iface_init (EvSelectionInterface *iface)
1946 {
1947         iface->render_selection = pdf_selection_render_selection;
1948         iface->get_selected_text = pdf_selection_get_selected_text;
1949         iface->get_selection_region = pdf_selection_get_selection_region;
1950 }
1951
1952
1953 /* EvDocumentText */
1954 static cairo_region_t *
1955 pdf_document_text_get_text_mapping (EvDocumentText *document_text,
1956                                     EvPage         *page)
1957 {
1958         PopplerPage *poppler_page;
1959         PopplerRectangle points;
1960         GList *region;
1961         cairo_region_t *retval;
1962
1963         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
1964
1965         poppler_page = POPPLER_PAGE (page->backend_page);
1966
1967         points.x1 = 0.0;
1968         points.y1 = 0.0;
1969         poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
1970
1971         region = poppler_page_get_selection_region (poppler_page, 1.0,
1972                                                     POPPLER_SELECTION_GLYPH,
1973                                                     &points);
1974         retval = create_region_from_poppler_region (region, 1.0);
1975         g_list_free (region);
1976
1977         return retval;
1978 }
1979
1980 #ifdef HAVE_POPPLER_PAGE_GET_SELECTED_TEXT
1981 static gchar *
1982 pdf_document_text_get_text (EvDocumentText  *selection,
1983                             EvPage          *page)
1984 {
1985         PopplerPage *poppler_page;
1986
1987         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
1988
1989         poppler_page = POPPLER_PAGE (page->backend_page);
1990
1991         return poppler_page_get_text (poppler_page);
1992 }
1993 #else
1994 static gchar *
1995 pdf_document_text_get_text (EvDocumentText  *selection,
1996                             EvPage          *page)
1997 {
1998         PopplerPage *poppler_page;
1999         PopplerRectangle r;
2000
2001         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
2002
2003         poppler_page = POPPLER_PAGE (page->backend_page);
2004
2005         r.x1 = 0;
2006         r.y1 = 0;
2007         poppler_page_get_size (poppler_page, &(r.x2), &(r.y2));
2008
2009         return poppler_page_get_text (poppler_page,
2010                                       POPPLER_SELECTION_WORD,
2011                                       &r);
2012 }
2013 #endif /* HAVE_POPPLER_PAGE_GET_SELECTED_TEXT */
2014
2015 #ifdef HAVE_POPPLER_PAGE_GET_TEXT_LAYOUT
2016 static gboolean
2017 pdf_document_text_get_text_layout (EvDocumentText  *selection,
2018                                    EvPage          *page,
2019                                    EvRectangle    **areas,
2020                                    guint           *n_areas)
2021 {
2022         PopplerPage *poppler_page;
2023
2024         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
2025
2026         poppler_page = POPPLER_PAGE (page->backend_page);
2027
2028         return poppler_page_get_text_layout (poppler_page, (PopplerRectangle **)areas, n_areas);
2029 }
2030 #endif
2031
2032 static void
2033 pdf_document_text_iface_init (EvDocumentTextInterface *iface)
2034 {
2035         iface->get_text_mapping = pdf_document_text_get_text_mapping;
2036         iface->get_text = pdf_document_text_get_text;
2037 #ifdef HAVE_POPPLER_PAGE_GET_TEXT_LAYOUT
2038         iface->get_text_layout = pdf_document_text_get_text_layout;
2039 #endif
2040 }
2041
2042 /* Page Transitions */
2043 static gdouble
2044 pdf_document_get_page_duration (EvDocumentTransition *trans,
2045                                 gint                  page)
2046 {
2047         PdfDocument *pdf_document;
2048         PopplerPage *poppler_page;
2049         gdouble      duration = -1;
2050
2051         pdf_document = PDF_DOCUMENT (trans);
2052         poppler_page = poppler_document_get_page (pdf_document->document, page);
2053         if (!poppler_page)
2054                 return -1;
2055
2056         duration = poppler_page_get_duration (poppler_page);
2057         g_object_unref (poppler_page);
2058
2059         return duration;
2060 }
2061
2062 static EvTransitionEffect *
2063 pdf_document_get_effect (EvDocumentTransition *trans,
2064                          gint                  page)
2065 {
2066         PdfDocument            *pdf_document;
2067         PopplerPage            *poppler_page;
2068         PopplerPageTransition  *page_transition;
2069         EvTransitionEffect     *effect;
2070
2071         pdf_document = PDF_DOCUMENT (trans);
2072         poppler_page = poppler_document_get_page (pdf_document->document, page);
2073
2074         if (!poppler_page)
2075                 return NULL;
2076
2077         page_transition = poppler_page_get_transition (poppler_page);
2078
2079         if (!page_transition) {
2080                 g_object_unref (poppler_page);
2081                 return NULL;
2082         }
2083
2084         /* enums in PopplerPageTransition match the EvTransitionEffect ones */
2085         effect = ev_transition_effect_new ((EvTransitionEffectType) page_transition->type,
2086                                            "alignment", page_transition->alignment,
2087                                            "direction", page_transition->direction,
2088                                            "duration", page_transition->duration,
2089                                            "angle", page_transition->angle,
2090                                            "scale", page_transition->scale,
2091                                            "rectangular", page_transition->rectangular,
2092                                            NULL);
2093
2094         poppler_page_transition_free (page_transition);
2095         g_object_unref (poppler_page);
2096
2097         return effect;
2098 }
2099
2100 static void
2101 pdf_document_page_transition_iface_init (EvDocumentTransitionInterface *iface)
2102 {
2103         iface->get_page_duration = pdf_document_get_page_duration;
2104         iface->get_effect = pdf_document_get_effect;
2105 }
2106
2107 /* Forms */
2108 static void
2109 pdf_document_get_crop_box (EvDocument  *document,
2110                            int          page,
2111                            EvRectangle *rect)
2112 {
2113         PdfDocument *pdf_document;
2114         PopplerPage *poppler_page;
2115         PopplerRectangle poppler_rect;
2116
2117         pdf_document = PDF_DOCUMENT (document);
2118         poppler_page = poppler_document_get_page (pdf_document->document, page);
2119         poppler_page_get_crop_box (poppler_page, &poppler_rect);
2120         rect->x1 = poppler_rect.x1;
2121         rect->x2 = poppler_rect.x2;
2122         rect->y1 = poppler_rect.y1;
2123         rect->y2 = poppler_rect.y2;
2124 }
2125
2126 static EvFormField *
2127 ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
2128 {
2129         EvFormField *ev_field = NULL;
2130         gint         id;
2131         gdouble      font_size;
2132         gboolean     is_read_only;
2133
2134         id = poppler_form_field_get_id (poppler_field);
2135         font_size = poppler_form_field_get_font_size (poppler_field);
2136         is_read_only = poppler_form_field_is_read_only (poppler_field);
2137
2138         switch (poppler_form_field_get_field_type (poppler_field)) {
2139                 case POPPLER_FORM_FIELD_TEXT: {
2140                         EvFormFieldText    *field_text;
2141                         EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
2142
2143                         switch (poppler_form_field_text_get_text_type (poppler_field)) {
2144                                 case POPPLER_FORM_TEXT_NORMAL:
2145                                         ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
2146                                         break;
2147                                 case POPPLER_FORM_TEXT_MULTILINE:
2148                                         ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
2149                                         break;
2150                                 case POPPLER_FORM_TEXT_FILE_SELECT:
2151                                         ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
2152                                         break;
2153                         }
2154
2155                         ev_field = ev_form_field_text_new (id, ev_text_type);
2156                         field_text = EV_FORM_FIELD_TEXT (ev_field);
2157
2158                         field_text->do_spell_check = poppler_form_field_text_do_spell_check (poppler_field);
2159                         field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
2160                         field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
2161                         field_text->is_password = poppler_form_field_text_is_password (poppler_field);
2162                         field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
2163                         field_text->text = poppler_form_field_text_get_text (poppler_field);
2164
2165                 }
2166                         break;
2167                 case POPPLER_FORM_FIELD_BUTTON: {
2168                         EvFormFieldButton    *field_button;
2169                         EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2170
2171                         switch (poppler_form_field_button_get_button_type (poppler_field)) {
2172                                 case POPPLER_FORM_BUTTON_PUSH:
2173                                         ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2174                                         break;
2175                                 case POPPLER_FORM_BUTTON_CHECK:
2176                                         ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
2177                                         break;
2178                                 case POPPLER_FORM_BUTTON_RADIO:
2179                                         ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
2180                                         break;
2181                         }
2182
2183                         ev_field = ev_form_field_button_new (id, ev_button_type);
2184                         field_button = EV_FORM_FIELD_BUTTON (ev_field);
2185
2186                         field_button->state = poppler_form_field_button_get_state (poppler_field);
2187                 }
2188                         break;
2189                 case POPPLER_FORM_FIELD_CHOICE: {
2190                         EvFormFieldChoice    *field_choice;
2191                         EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2192
2193                         switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
2194                                 case POPPLER_FORM_CHOICE_COMBO:
2195                                         ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2196                                         break;
2197                                 case EV_FORM_FIELD_CHOICE_LIST:
2198                                         ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
2199                                         break;
2200                         }
2201
2202                         ev_field = ev_form_field_choice_new (id, ev_choice_type);
2203                         field_choice = EV_FORM_FIELD_CHOICE (ev_field);
2204
2205                         field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
2206                         field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
2207                         field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
2208                         field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
2209
2210                         /* TODO: we need poppler_form_field_choice_get_selected_items in poppler
2211                         field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
2212                         if (field_choice->is_editable)
2213                                 field_choice->text = poppler_form_field_choice_get_text (poppler_field);
2214                 }
2215                         break;
2216                 case POPPLER_FORM_FIELD_SIGNATURE:
2217                         /* TODO */
2218                         ev_field = ev_form_field_signature_new (id);
2219                         break;
2220                 case POPPLER_FORM_FIELD_UNKNOWN:
2221                         return NULL;
2222         }
2223
2224         ev_field->font_size = font_size;
2225         ev_field->is_read_only = is_read_only;
2226
2227         return ev_field;
2228 }
2229
2230 static EvMappingList *
2231 pdf_document_forms_get_form_fields (EvDocumentForms *document,
2232                                     EvPage          *page)
2233 {
2234         PopplerPage *poppler_page;
2235         GList *retval = NULL;
2236         GList *fields;
2237         GList *list;
2238         double height;
2239
2240         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
2241
2242         poppler_page = POPPLER_PAGE (page->backend_page);
2243         fields = poppler_page_get_form_field_mapping (poppler_page);
2244         poppler_page_get_size (poppler_page, NULL, &height);
2245
2246         for (list = fields; list; list = list->next) {
2247                 PopplerFormFieldMapping *mapping;
2248                 EvMapping *field_mapping;
2249                 EvFormField *ev_field;
2250
2251                 mapping = (PopplerFormFieldMapping *)list->data;
2252
2253                 ev_field = ev_form_field_from_poppler_field (mapping->field);
2254                 if (!ev_field)
2255                         continue;
2256
2257                 field_mapping = g_new0 (EvMapping, 1);
2258                 field_mapping->area.x1 = mapping->area.x1;
2259                 field_mapping->area.x2 = mapping->area.x2;
2260                 field_mapping->area.y1 = height - mapping->area.y2;
2261                 field_mapping->area.y2 = height - mapping->area.y1;
2262                 field_mapping->data = ev_field;
2263                 ev_field->page = EV_PAGE (g_object_ref (page));
2264
2265                 g_object_set_data_full (G_OBJECT (ev_field),
2266                                         "poppler-field",
2267                                         g_object_ref (mapping->field),
2268                                         (GDestroyNotify) g_object_unref);
2269
2270                 retval = g_list_prepend (retval, field_mapping);
2271         }
2272
2273         poppler_page_free_form_field_mapping (fields);
2274
2275         return retval ? ev_mapping_list_new (page->index,
2276                                              g_list_reverse (retval),
2277                                              (GDestroyNotify)g_object_unref) : NULL;
2278 }
2279
2280 static gboolean
2281 pdf_document_forms_document_is_modified (EvDocumentForms *document)
2282 {
2283         return PDF_DOCUMENT (document)->forms_modified;
2284 }
2285
2286 static gchar *
2287 pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
2288                                              EvFormField     *field)
2289
2290 {
2291         PopplerFormField *poppler_field;
2292         gchar *text;
2293
2294         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2295         if (!poppler_field)
2296                 return NULL;
2297
2298         text = poppler_form_field_text_get_text (poppler_field);
2299
2300         return text;
2301 }
2302
2303 static void
2304 pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
2305                                              EvFormField     *field,
2306                                              const gchar     *text)
2307 {
2308         PopplerFormField *poppler_field;
2309
2310         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2311         if (!poppler_field)
2312                 return;
2313
2314         poppler_form_field_text_set_text (poppler_field, text);
2315         PDF_DOCUMENT (document)->forms_modified = TRUE;
2316 }
2317
2318 static void
2319 pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
2320                                                 EvFormField     *field,
2321                                                 gboolean         state)
2322 {
2323         PopplerFormField *poppler_field;
2324
2325         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2326         if (!poppler_field)
2327                 return;
2328
2329         poppler_form_field_button_set_state (poppler_field, state);
2330         PDF_DOCUMENT (document)->forms_modified = TRUE;
2331 }
2332
2333 static gboolean
2334 pdf_document_forms_form_field_button_get_state (EvDocumentForms *document,
2335                                                 EvFormField     *field)
2336 {
2337         PopplerFormField *poppler_field;
2338         gboolean state;
2339
2340         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2341         if (!poppler_field)
2342                 return FALSE;
2343
2344         state = poppler_form_field_button_get_state (poppler_field);
2345
2346         return state;
2347 }
2348
2349 static gchar *
2350 pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document,
2351                                                EvFormField     *field,
2352                                                gint             index)
2353 {
2354         PopplerFormField *poppler_field;
2355         gchar *text;
2356
2357         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2358         if (!poppler_field)
2359                 return NULL;
2360
2361         text = poppler_form_field_choice_get_item (poppler_field, index);
2362
2363         return text;
2364 }
2365
2366 static int
2367 pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document,
2368                                                   EvFormField     *field)
2369 {
2370         PopplerFormField *poppler_field;
2371         gint n_items;
2372
2373         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2374         if (!poppler_field)
2375                 return -1;
2376
2377         n_items = poppler_form_field_choice_get_n_items (poppler_field);
2378
2379         return n_items;
2380 }
2381
2382 static gboolean
2383 pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document,
2384                                                        EvFormField     *field,
2385                                                        gint             index)
2386 {
2387         PopplerFormField *poppler_field;
2388         gboolean selected;
2389
2390         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2391         if (!poppler_field)
2392                 return FALSE;
2393
2394         selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
2395
2396         return selected;
2397 }
2398
2399 static void
2400 pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
2401                                                   EvFormField     *field,
2402                                                   gint             index)
2403 {
2404         PopplerFormField *poppler_field;
2405
2406         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2407         if (!poppler_field)
2408                 return;
2409
2410         poppler_form_field_choice_select_item (poppler_field, index);
2411         PDF_DOCUMENT (document)->forms_modified = TRUE;
2412 }
2413
2414 static void
2415 pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
2416                                                   EvFormField     *field,
2417                                                   gint             index)
2418 {
2419         PopplerFormField *poppler_field;
2420
2421         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2422         if (!poppler_field)
2423                 return;
2424
2425         poppler_form_field_choice_toggle_item (poppler_field, index);
2426         PDF_DOCUMENT (document)->forms_modified = TRUE;
2427 }
2428
2429 static void
2430 pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
2431                                                    EvFormField     *field)
2432 {
2433         PopplerFormField *poppler_field;
2434
2435         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2436         if (!poppler_field)
2437                 return;
2438
2439         poppler_form_field_choice_unselect_all (poppler_field);
2440         PDF_DOCUMENT (document)->forms_modified = TRUE;
2441 }
2442
2443 static void
2444 pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
2445                                                EvFormField     *field,
2446                                                const gchar     *text)
2447 {
2448         PopplerFormField *poppler_field;
2449
2450         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2451         if (!poppler_field)
2452                 return;
2453
2454         poppler_form_field_choice_set_text (poppler_field, text);
2455         PDF_DOCUMENT (document)->forms_modified = TRUE;
2456 }
2457
2458 static gchar *
2459 pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
2460                                                EvFormField     *field)
2461 {
2462         PopplerFormField *poppler_field;
2463         gchar *text;
2464
2465         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2466         if (!poppler_field)
2467                 return NULL;
2468
2469         text = poppler_form_field_choice_get_text (poppler_field);
2470
2471         return text;
2472 }
2473
2474 static void
2475 pdf_document_document_forms_iface_init (EvDocumentFormsInterface *iface)
2476 {
2477         iface->get_form_fields = pdf_document_forms_get_form_fields;
2478         iface->document_is_modified = pdf_document_forms_document_is_modified;
2479         iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
2480         iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
2481         iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
2482         iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
2483         iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
2484         iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
2485         iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
2486         iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
2487         iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
2488         iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
2489         iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
2490         iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
2491 }
2492
2493 /* Annotations */
2494 static void
2495 poppler_annot_color_to_gdk_color (PopplerAnnot *poppler_annot,
2496                                   GdkColor     *color)
2497 {
2498         PopplerColor *poppler_color;
2499
2500         poppler_color = poppler_annot_get_color (poppler_annot);
2501         if (poppler_color) {
2502                 color->red = poppler_color->red;
2503                 color->green = poppler_color->green;
2504                 color->blue = poppler_color->blue;
2505
2506                 g_free (poppler_color);
2507         } /* TODO: else use a default color */
2508 }
2509
2510 static EvAnnotationTextIcon
2511 get_annot_text_icon (PopplerAnnotText *poppler_annot)
2512 {
2513 #ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
2514         gchar *icon = poppler_annot_text_get_icon (poppler_annot);
2515         EvAnnotationTextIcon retval;
2516
2517         if (!icon)
2518                 return EV_ANNOTATION_TEXT_ICON_UNKNOWN;
2519
2520         if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_NOTE) == 0)
2521                 retval = EV_ANNOTATION_TEXT_ICON_NOTE;
2522         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_COMMENT) == 0)
2523                 retval = EV_ANNOTATION_TEXT_ICON_COMMENT;
2524         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_KEY) == 0)
2525                 retval = EV_ANNOTATION_TEXT_ICON_KEY;
2526         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_HELP) == 0)
2527                 retval = EV_ANNOTATION_TEXT_ICON_HELP;
2528         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_NEW_PARAGRAPH) == 0)
2529                 retval = EV_ANNOTATION_TEXT_ICON_NEW_PARAGRAPH;
2530         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_PARAGRAPH) == 0)
2531                 retval = EV_ANNOTATION_TEXT_ICON_PARAGRAPH;
2532         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_INSERT) == 0)
2533                 retval = EV_ANNOTATION_TEXT_ICON_INSERT;
2534         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_CROSS) == 0)
2535                 retval = EV_ANNOTATION_TEXT_ICON_CROSS;
2536         else if (strcmp (icon, POPPLER_ANNOT_TEXT_ICON_CIRCLE) == 0)
2537                 retval = EV_ANNOTATION_TEXT_ICON_CIRCLE;
2538         else
2539                 retval = EV_ANNOTATION_TEXT_ICON_UNKNOWN;
2540
2541         g_free (icon);
2542
2543         return retval;
2544 #else
2545         return EV_ANNOTATION_TEXT_ICON_UNKNOWN;
2546 #endif
2547 }
2548
2549 static const gchar *
2550 get_poppler_annot_text_icon (EvAnnotationTextIcon icon)
2551 {
2552 #ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
2553         switch (icon) {
2554         case EV_ANNOTATION_TEXT_ICON_NOTE:
2555                 return POPPLER_ANNOT_TEXT_ICON_NOTE;
2556         case EV_ANNOTATION_TEXT_ICON_COMMENT:
2557                 return POPPLER_ANNOT_TEXT_ICON_COMMENT;
2558         case EV_ANNOTATION_TEXT_ICON_KEY:
2559                 return POPPLER_ANNOT_TEXT_ICON_KEY;
2560         case EV_ANNOTATION_TEXT_ICON_HELP:
2561                 return POPPLER_ANNOT_TEXT_ICON_HELP;
2562         case EV_ANNOTATION_TEXT_ICON_NEW_PARAGRAPH:
2563                 return POPPLER_ANNOT_TEXT_ICON_NEW_PARAGRAPH;
2564         case EV_ANNOTATION_TEXT_ICON_PARAGRAPH:
2565                 return POPPLER_ANNOT_TEXT_ICON_PARAGRAPH;
2566         case EV_ANNOTATION_TEXT_ICON_INSERT:
2567                 return POPPLER_ANNOT_TEXT_ICON_INSERT;
2568         case EV_ANNOTATION_TEXT_ICON_CROSS:
2569                 return POPPLER_ANNOT_TEXT_ICON_CROSS;
2570         case EV_ANNOTATION_TEXT_ICON_CIRCLE:
2571                 return POPPLER_ANNOT_TEXT_ICON_CIRCLE;
2572         case EV_ANNOTATION_TEXT_ICON_UNKNOWN:
2573         default:
2574                 return POPPLER_ANNOT_TEXT_ICON_NOTE;
2575         }
2576 #else
2577         return "Note";
2578 #endif
2579 }
2580
2581 static EvAnnotation *
2582 ev_annot_from_poppler_annot (PopplerAnnot *poppler_annot,
2583                              EvPage       *page)
2584 {
2585         EvAnnotation *ev_annot = NULL;
2586         const gchar  *unimplemented_annot = NULL;
2587
2588         switch (poppler_annot_get_annot_type (poppler_annot)) {
2589                 case POPPLER_ANNOT_TEXT: {
2590                         PopplerAnnotText *poppler_text;
2591                         EvAnnotationText *ev_annot_text;
2592
2593                         poppler_text = POPPLER_ANNOT_TEXT (poppler_annot);
2594
2595                         ev_annot = ev_annotation_text_new (page);
2596
2597                         ev_annot_text = EV_ANNOTATION_TEXT (ev_annot);
2598                         ev_annotation_text_set_is_open (ev_annot_text,
2599                                                         poppler_annot_text_get_is_open (poppler_text));
2600                         ev_annotation_text_set_icon (ev_annot_text, get_annot_text_icon (poppler_text));
2601                 }
2602                         break;
2603                 case POPPLER_ANNOT_FILE_ATTACHMENT: {
2604                         PopplerAnnotFileAttachment *poppler_annot_attachment;
2605                         EvAnnotationAttachment     *ev_annot_attachment;
2606                         PopplerAttachment          *poppler_attachment;
2607                         gchar                      *data = NULL;
2608                         gsize                       size;
2609                         GError                     *error = NULL;
2610
2611                         poppler_annot_attachment = POPPLER_ANNOT_FILE_ATTACHMENT (poppler_annot);
2612                         poppler_attachment = poppler_annot_file_attachment_get_attachment (poppler_annot_attachment);
2613
2614                         if (poppler_attachment &&
2615                             attachment_save_to_buffer (poppler_attachment, &data, &size, &error)) {
2616                                 EvAttachment *ev_attachment;
2617
2618                                 ev_attachment = ev_attachment_new (poppler_attachment->name,
2619                                                                    poppler_attachment->description,
2620                                                                    poppler_attachment->mtime,
2621                                                                    poppler_attachment->ctime,
2622                                                                    size, data);
2623                                 ev_annot = ev_annotation_attachment_new (page, ev_attachment);
2624                                 g_object_unref (ev_attachment);
2625                         } else if (error) {
2626                                 g_warning ("%s", error->message);
2627                                 g_error_free (error);
2628                         }
2629
2630                         if (poppler_attachment)
2631                                 g_object_unref (poppler_attachment);
2632                 }
2633                         break;
2634                 case POPPLER_ANNOT_LINK:
2635                 case POPPLER_ANNOT_WIDGET:
2636                         /* Ignore link and widgets annots since they are already handled */
2637                         break;
2638                 default: {
2639                         GEnumValue *enum_value;
2640
2641                         enum_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (POPPLER_TYPE_ANNOT_TYPE),
2642                                                        poppler_annot_get_annot_type (poppler_annot));
2643                         unimplemented_annot = enum_value ? enum_value->value_name : "Unknown annotation";
2644                 }
2645         }
2646
2647         if (unimplemented_annot) {
2648                 g_warning ("Unimplemented annotation: %s, please post a "
2649                            "bug report in Evince bugzilla "
2650                            "(http://bugzilla.gnome.org) with a testcase.",
2651                            unimplemented_annot);
2652         }
2653
2654         if (ev_annot) {
2655                 time_t   utime;
2656                 gchar   *modified;
2657                 gchar   *contents;
2658                 gchar   *name;
2659                 GdkColor color;
2660
2661                 contents = poppler_annot_get_contents (poppler_annot);
2662                 if (contents) {
2663                         ev_annotation_set_contents (ev_annot, contents);
2664                         g_free (contents);
2665                 }
2666
2667                 name = poppler_annot_get_name (poppler_annot);
2668                 if (name) {
2669                         ev_annotation_set_name (ev_annot, name);
2670                         g_free (name);
2671                 }
2672
2673                 modified = poppler_annot_get_modified (poppler_annot);
2674                 if (poppler_date_parse (modified, &utime)) {
2675                         ev_annotation_set_modified_from_time (ev_annot, utime);
2676                 } else {
2677                         ev_annotation_set_modified (ev_annot, modified);
2678                 }
2679                 g_free (modified);
2680
2681                 poppler_annot_color_to_gdk_color (poppler_annot, &color);
2682                 ev_annotation_set_color (ev_annot, &color);
2683
2684                 if (POPPLER_IS_ANNOT_MARKUP (poppler_annot)) {
2685                         PopplerAnnotMarkup *markup;
2686                         gchar *label;
2687                         gdouble opacity;
2688                         PopplerRectangle poppler_rect;
2689
2690                         markup = POPPLER_ANNOT_MARKUP (poppler_annot);
2691
2692                         if (poppler_annot_markup_get_popup_rectangle (markup, &poppler_rect)) {
2693                                 EvRectangle ev_rect;
2694                                 gboolean is_open;
2695                                 gdouble height;
2696
2697                                 poppler_page_get_size (POPPLER_PAGE (page->backend_page),
2698                                                        NULL, &height);
2699                                 ev_rect.x1 = poppler_rect.x1;
2700                                 ev_rect.x2 = poppler_rect.x2;
2701                                 ev_rect.y1 = height - poppler_rect.y2;
2702                                 ev_rect.y2 = height - poppler_rect.y1;
2703
2704                                 is_open = poppler_annot_markup_get_popup_is_open (markup);
2705
2706                                 g_object_set (ev_annot,
2707                                               "rectangle", &ev_rect,
2708                                               "popup_is_open", is_open,
2709                                               "has_popup", TRUE,
2710                                               NULL);
2711                         } else {
2712                                 g_object_set (ev_annot,
2713                                               "has_popup", FALSE,
2714                                               NULL);
2715                         }
2716
2717                         label = poppler_annot_markup_get_label (markup);
2718                         opacity = poppler_annot_markup_get_opacity (markup);
2719
2720                         g_object_set (ev_annot,
2721                                       "label", label,
2722                                       "opacity", opacity,
2723                                       NULL);
2724
2725                         g_free (label);
2726                 }
2727         }
2728
2729         return ev_annot;
2730 }
2731
2732 static EvMappingList *
2733 pdf_document_annotations_get_annotations (EvDocumentAnnotations *document_annotations,
2734                                           EvPage                *page)
2735 {
2736         GList *retval = NULL;
2737         PdfDocument *pdf_document;
2738         PopplerPage *poppler_page;
2739         EvMappingList *mapping_list;
2740         GList *annots;
2741         GList *list;
2742         gdouble height;
2743         gint i = 0;
2744
2745         pdf_document = PDF_DOCUMENT (document_annotations);
2746         poppler_page = POPPLER_PAGE (page->backend_page);
2747
2748         if (pdf_document->annots) {
2749                 mapping_list = (EvMappingList *)g_hash_table_lookup (pdf_document->annots,
2750                                                                      GINT_TO_POINTER (page->index));
2751                 if (mapping_list)
2752                         return ev_mapping_list_ref (mapping_list);
2753         }
2754
2755         annots = poppler_page_get_annot_mapping (poppler_page);
2756         poppler_page_get_size (poppler_page, NULL, &height);
2757
2758         for (list = annots; list; list = list->next) {
2759                 PopplerAnnotMapping *mapping;
2760                 EvMapping           *annot_mapping;
2761                 EvAnnotation        *ev_annot;
2762
2763                 mapping = (PopplerAnnotMapping *)list->data;
2764
2765                 ev_annot = ev_annot_from_poppler_annot (mapping->annot, page);
2766                 if (!ev_annot)
2767                         continue;
2768
2769                 i++;
2770
2771                 /* Make sure annot has a unique name */
2772                 if (!ev_annotation_get_name (ev_annot)) {
2773                         gchar *name = g_strdup_printf ("annot-%d-%d", page->index, i);
2774
2775                         ev_annotation_set_name (ev_annot, name);
2776                         g_free (name);
2777                 }
2778
2779                 annot_mapping = g_new (EvMapping, 1);
2780                 annot_mapping->area.x1 = mapping->area.x1;
2781                 annot_mapping->area.x2 = mapping->area.x2;
2782                 annot_mapping->area.y1 = height - mapping->area.y2;
2783                 annot_mapping->area.y2 = height - mapping->area.y1;
2784                 annot_mapping->data = ev_annot;
2785
2786                 g_object_set_data_full (G_OBJECT (ev_annot),
2787                                         "poppler-annot",
2788                                         g_object_ref (mapping->annot),
2789                                         (GDestroyNotify) g_object_unref);
2790
2791                 retval = g_list_prepend (retval, annot_mapping);
2792         }
2793
2794         poppler_page_free_annot_mapping (annots);
2795
2796         if (!retval)
2797                 return NULL;
2798
2799         if (!pdf_document->annots) {
2800                 pdf_document->annots = g_hash_table_new_full (g_direct_hash,
2801                                                               g_direct_equal,
2802                                                               (GDestroyNotify)NULL,
2803                                                               (GDestroyNotify)ev_mapping_list_unref);
2804         }
2805
2806         mapping_list = ev_mapping_list_new (page->index, g_list_reverse (retval), (GDestroyNotify)g_object_unref);
2807         g_hash_table_insert (pdf_document->annots,
2808                              GINT_TO_POINTER (page->index),
2809                              ev_mapping_list_ref (mapping_list));
2810
2811         return mapping_list;
2812 }
2813
2814 static gboolean
2815 pdf_document_annotations_document_is_modified (EvDocumentAnnotations *document_annotations)
2816 {
2817         return PDF_DOCUMENT (document_annotations)->annots_modified;
2818 }
2819
2820 #ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
2821 static void
2822 pdf_document_annotations_add_annotation (EvDocumentAnnotations *document_annotations,
2823                                          EvAnnotation          *annot,
2824                                          EvRectangle           *rect)
2825 {
2826         PopplerAnnot    *poppler_annot;
2827         PdfDocument     *pdf_document;
2828         EvPage          *page;
2829         PopplerPage     *poppler_page;
2830         GList           *list = NULL;
2831         EvMappingList   *mapping_list;
2832         EvMapping       *annot_mapping;
2833         PopplerRectangle poppler_rect;
2834         gdouble          height;
2835         PopplerColor     poppler_color;
2836         GdkColor         color;
2837         time_t           utime;
2838         gchar           *modified;
2839         gchar           *name;
2840
2841         pdf_document = PDF_DOCUMENT (document_annotations);
2842         page = ev_annotation_get_page (annot);
2843         poppler_page = POPPLER_PAGE (page->backend_page);
2844
2845         poppler_page_get_size (poppler_page, NULL, &height);
2846         poppler_rect.x1 = rect->x1;
2847         poppler_rect.x2 = rect->x2;
2848         poppler_rect.y1 = height - rect->y2;
2849         poppler_rect.y2 = height - rect->y1;
2850         poppler_annot = poppler_annot_text_new (pdf_document->document, &poppler_rect);
2851
2852         ev_annotation_get_color (annot, &color);
2853         poppler_color.red = color.red;
2854         poppler_color.green = color.green;
2855         poppler_color.blue = color.blue;
2856         poppler_annot_set_color (poppler_annot, &poppler_color);
2857
2858         if (EV_IS_ANNOTATION_MARKUP (annot)) {
2859                 EvAnnotationMarkup *markup = EV_ANNOTATION_MARKUP (annot);
2860                 const gchar *label;
2861
2862                 if (ev_annotation_markup_has_popup (markup)) {
2863                         EvRectangle popup_rect;
2864
2865                         ev_annotation_markup_get_rectangle (markup, &popup_rect);
2866                         poppler_rect.x1 = popup_rect.x1;
2867                         poppler_rect.x2 = popup_rect.x2;
2868                         poppler_rect.y1 = height - popup_rect.y2;
2869                         poppler_rect.y2 = height - popup_rect.y1;
2870                         poppler_annot_markup_set_popup (POPPLER_ANNOT_MARKUP (poppler_annot), &poppler_rect);
2871                         poppler_annot_markup_set_popup_is_open (POPPLER_ANNOT_MARKUP (poppler_annot),
2872                                                                 ev_annotation_markup_get_popup_is_open (markup));
2873                 }
2874
2875                 label = ev_annotation_markup_get_label (markup);
2876                 if (label)
2877                         poppler_annot_markup_set_label (POPPLER_ANNOT_MARKUP (poppler_annot), label);
2878         }
2879
2880         if (EV_IS_ANNOTATION_TEXT (annot)) {
2881                 EvAnnotationText    *text = EV_ANNOTATION_TEXT (annot);
2882                 EvAnnotationTextIcon icon;
2883
2884                 icon = ev_annotation_text_get_icon (text);
2885                 poppler_annot_text_set_icon (POPPLER_ANNOT_TEXT (poppler_annot),
2886                                              get_poppler_annot_text_icon (icon));
2887         }
2888         poppler_page_add_annot (poppler_page, poppler_annot);
2889
2890         annot_mapping = g_new (EvMapping, 1);
2891         annot_mapping->area = *rect;
2892         annot_mapping->data = annot;
2893         g_object_set_data_full (G_OBJECT (annot),
2894                                 "poppler-annot",
2895                                 g_object_ref (poppler_annot),
2896                                 (GDestroyNotify) g_object_unref);
2897
2898         if (pdf_document->annots) {
2899                 mapping_list = (EvMappingList *)g_hash_table_lookup (pdf_document->annots,
2900                                                                      GINT_TO_POINTER (page->index));
2901                 list = ev_mapping_list_get_list (mapping_list);
2902                 name = g_strdup_printf ("annot-%d-%d", page->index, g_list_length (list) + 1);
2903                 ev_annotation_set_name (annot, name);
2904                 g_free (name);
2905                 list = g_list_append (list, annot_mapping);
2906         } else {
2907                 pdf_document->annots = g_hash_table_new_full (g_direct_hash,
2908                                                               g_direct_equal,
2909                                                               (GDestroyNotify)NULL,
2910                                                               (GDestroyNotify)ev_mapping_list_unref);
2911                 name = g_strdup_printf ("annot-%d-0", page->index);
2912                 ev_annotation_set_name (annot, name);
2913                 g_free (name);
2914                 list = g_list_append (list, annot_mapping);
2915                 mapping_list = ev_mapping_list_new (page->index, list, (GDestroyNotify)g_object_unref);
2916                 g_hash_table_insert (pdf_document->annots,
2917                                      GINT_TO_POINTER (page->index),
2918                                      ev_mapping_list_ref (mapping_list));
2919         }
2920
2921         pdf_document->annots_modified = TRUE;
2922 }
2923 #endif /* HAVE_POPPLER_PAGE_ADD_ANNOT */
2924
2925 static void
2926 pdf_document_annotations_save_annotation (EvDocumentAnnotations *document_annotations,
2927                                           EvAnnotation          *annot,
2928                                           EvAnnotationsSaveMask  mask)
2929 {
2930         PopplerAnnot *poppler_annot;
2931
2932         poppler_annot = POPPLER_ANNOT (g_object_get_data (G_OBJECT (annot), "poppler-annot"));
2933         if (!poppler_annot)
2934                 return;
2935
2936         if (mask & EV_ANNOTATIONS_SAVE_CONTENTS)
2937                 poppler_annot_set_contents (poppler_annot,
2938                                             ev_annotation_get_contents (annot));
2939
2940 #ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
2941         if (mask & EV_ANNOTATIONS_SAVE_COLOR) {
2942                 PopplerColor color;
2943                 GdkColor     ev_color;
2944
2945                 ev_annotation_get_color (annot, &ev_color);
2946                 color.red = ev_color.red;
2947                 color.green = ev_color.green;
2948                 color.blue = ev_color.blue;
2949                 poppler_annot_set_color (poppler_annot, &color);
2950         }
2951
2952         if (EV_IS_ANNOTATION_MARKUP (annot)) {
2953                 EvAnnotationMarkup *ev_markup = EV_ANNOTATION_MARKUP (annot);
2954                 PopplerAnnotMarkup *markup = POPPLER_ANNOT_MARKUP (poppler_annot);
2955
2956                 if (mask & EV_ANNOTATIONS_SAVE_LABEL)
2957                         poppler_annot_markup_set_label (markup, ev_annotation_markup_get_label (ev_markup));
2958                 if (mask & EV_ANNOTATIONS_SAVE_OPACITY)
2959                         poppler_annot_markup_set_opacity (markup, ev_annotation_markup_get_opacity (ev_markup));
2960                 if (mask & EV_ANNOTATIONS_SAVE_POPUP_IS_OPEN)
2961                         poppler_annot_markup_set_popup_is_open (markup, ev_annotation_markup_get_popup_is_open (ev_markup));
2962         }
2963
2964         if (EV_IS_ANNOTATION_TEXT (annot)) {
2965                 EvAnnotationText *ev_text = EV_ANNOTATION_TEXT (annot);
2966                 PopplerAnnotText *text = POPPLER_ANNOT_TEXT (poppler_annot);
2967
2968                 if (mask & EV_ANNOTATIONS_SAVE_TEXT_IS_OPEN) {
2969                         poppler_annot_text_set_is_open (text,
2970                                                         ev_annotation_text_get_is_open (ev_text));
2971                 }
2972                 if (mask & EV_ANNOTATIONS_SAVE_TEXT_ICON) {
2973                         EvAnnotationTextIcon icon;
2974
2975                         icon = ev_annotation_text_get_icon (ev_text);
2976                         poppler_annot_text_set_icon (text, get_poppler_annot_text_icon (icon));
2977                 }
2978         }
2979 #endif /* HAVE_POPPLER_PAGE_ADD_ANNOT */
2980         PDF_DOCUMENT (document_annotations)->annots_modified = TRUE;
2981 }
2982
2983 static void
2984 pdf_document_document_annotations_iface_init (EvDocumentAnnotationsInterface *iface)
2985 {
2986         iface->get_annotations = pdf_document_annotations_get_annotations;
2987         iface->document_is_modified = pdf_document_annotations_document_is_modified;
2988 #ifdef HAVE_POPPLER_PAGE_ADD_ANNOT
2989         iface->add_annotation = pdf_document_annotations_add_annotation;
2990 #endif
2991         iface->save_annotation = pdf_document_annotations_save_annotation;
2992 }
2993
2994 /* Attachments */
2995 struct SaveToBufferData {
2996         gchar *buffer;
2997         gsize len, max;
2998 };
2999
3000 static gboolean
3001 attachment_save_to_buffer_callback (const gchar  *buf,
3002                                     gsize         count,
3003                                     gpointer      user_data,
3004                                     GError      **error)
3005 {
3006         struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
3007         gchar *new_buffer;
3008         gsize new_max;
3009
3010         if (sdata->len + count > sdata->max) {
3011                 new_max = MAX (sdata->max * 2, sdata->len + count);
3012                 new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
3013
3014                 sdata->buffer = new_buffer;
3015                 sdata->max = new_max;
3016         }
3017
3018         memcpy (sdata->buffer + sdata->len, buf, count);
3019         sdata->len += count;
3020
3021         return TRUE;
3022 }
3023
3024 static gboolean
3025 attachment_save_to_buffer (PopplerAttachment  *attachment,
3026                            gchar             **buffer,
3027                            gsize              *buffer_size,
3028                            GError            **error)
3029 {
3030         static const gint initial_max = 1024;
3031         struct SaveToBufferData sdata;
3032
3033         *buffer = NULL;
3034         *buffer_size = 0;
3035
3036         sdata.buffer = (gchar *) g_malloc (initial_max);
3037         sdata.max = initial_max;
3038         sdata.len = 0;
3039
3040         if (! poppler_attachment_save_to_callback (attachment,
3041                                                    attachment_save_to_buffer_callback,
3042                                                    &sdata,
3043                                                    error)) {
3044                 g_free (sdata.buffer);
3045                 return FALSE;
3046         }
3047
3048         *buffer = sdata.buffer;
3049         *buffer_size = sdata.len;
3050
3051         return TRUE;
3052 }
3053
3054 static GList *
3055 pdf_document_attachments_get_attachments (EvDocumentAttachments *document)
3056 {
3057         PdfDocument *pdf_document = PDF_DOCUMENT (document);
3058         GList *attachments;
3059         GList *list;
3060         GList *retval = NULL;
3061
3062         attachments = poppler_document_get_attachments (pdf_document->document);
3063
3064         for (list = attachments; list; list = list->next) {
3065                 PopplerAttachment *attachment;
3066                 EvAttachment *ev_attachment;
3067                 gchar *data = NULL;
3068                 gsize size;
3069                 GError *error = NULL;
3070
3071                 attachment = (PopplerAttachment *) list->data;
3072
3073                 if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
3074                         ev_attachment = ev_attachment_new (attachment->name,
3075                                                            attachment->description,
3076                                                            attachment->mtime,
3077                                                            attachment->ctime,
3078                                                            size, data);
3079
3080                         retval = g_list_prepend (retval, ev_attachment);
3081                 } else {
3082                         if (error) {
3083                                 g_warning ("%s", error->message);
3084                                 g_error_free (error);
3085
3086                                 g_free (data);
3087                         }
3088                 }
3089
3090                 g_object_unref (attachment);
3091         }
3092
3093         return g_list_reverse (retval);
3094 }
3095
3096 static gboolean
3097 pdf_document_attachments_has_attachments (EvDocumentAttachments *document)
3098 {
3099         PdfDocument *pdf_document = PDF_DOCUMENT (document);
3100
3101         return poppler_document_has_attachments (pdf_document->document);
3102 }
3103
3104 static void
3105 pdf_document_document_attachments_iface_init (EvDocumentAttachmentsInterface *iface)
3106 {
3107         iface->has_attachments = pdf_document_attachments_has_attachments;
3108         iface->get_attachments = pdf_document_attachments_get_attachments;
3109 }
3110
3111 /* Layers */
3112 static gboolean
3113 pdf_document_layers_has_layers (EvDocumentLayers *document)
3114 {
3115         PdfDocument *pdf_document = PDF_DOCUMENT (document);
3116         PopplerLayersIter *iter;
3117
3118         iter = poppler_layers_iter_new (pdf_document->document);
3119         if (!iter)
3120                 return FALSE;
3121         poppler_layers_iter_free (iter);
3122
3123         return TRUE;
3124 }
3125
3126 static void
3127 build_layers_tree (PdfDocument       *pdf_document,
3128                    GtkTreeModel      *model,
3129                    GtkTreeIter       *parent,
3130                    PopplerLayersIter *iter)
3131 {
3132         do {
3133                 GtkTreeIter        tree_iter;
3134                 PopplerLayersIter *child;
3135                 PopplerLayer      *layer;
3136                 EvLayer           *ev_layer = NULL;
3137                 gboolean           visible;
3138                 gchar             *markup;
3139                 gint               rb_group = 0;
3140
3141                 layer = poppler_layers_iter_get_layer (iter);
3142                 if (layer) {
3143                         markup = g_markup_escape_text (poppler_layer_get_title (layer), -1);
3144                         visible = poppler_layer_is_visible (layer);
3145                         rb_group = poppler_layer_get_radio_button_group_id (layer);
3146                         ev_layer = ev_layer_new (poppler_layer_is_parent (layer),
3147                                                  rb_group);
3148                         g_object_set_data_full (G_OBJECT (ev_layer),
3149                                                 "poppler-layer",
3150                                                 g_object_ref (layer),
3151                                                 (GDestroyNotify) g_object_unref);
3152                 } else {
3153                         gchar *title;
3154
3155                         title = poppler_layers_iter_get_title (iter);
3156                         markup = g_markup_escape_text (title, -1);
3157                         g_free (title);
3158
3159                         visible = FALSE;
3160                         layer = NULL;
3161                 }
3162
3163                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
3164                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
3165                                     EV_DOCUMENT_LAYERS_COLUMN_TITLE, markup,
3166                                     EV_DOCUMENT_LAYERS_COLUMN_VISIBLE, visible,
3167                                     EV_DOCUMENT_LAYERS_COLUMN_ENABLED, TRUE, /* FIXME */
3168                                     EV_DOCUMENT_LAYERS_COLUMN_SHOWTOGGLE, (layer != NULL),
3169                                     EV_DOCUMENT_LAYERS_COLUMN_RBGROUP, rb_group,
3170                                     EV_DOCUMENT_LAYERS_COLUMN_LAYER, ev_layer,
3171                                     -1);
3172                 if (ev_layer)
3173                         g_object_unref (ev_layer);
3174                 g_free (markup);
3175
3176                 child = poppler_layers_iter_get_child (iter);
3177                 if (child)
3178                         build_layers_tree (pdf_document, model, &tree_iter, child);
3179                 poppler_layers_iter_free (child);
3180         } while (poppler_layers_iter_next (iter));
3181 }
3182
3183 static GtkTreeModel *
3184 pdf_document_layers_get_layers (EvDocumentLayers *document)
3185 {
3186         GtkTreeModel *model = NULL;
3187         PdfDocument *pdf_document = PDF_DOCUMENT (document);
3188         PopplerLayersIter *iter;
3189
3190         iter = poppler_layers_iter_new (pdf_document->document);
3191         if (iter) {
3192                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LAYERS_N_COLUMNS,
3193                                                              G_TYPE_STRING,  /* TITLE */
3194                                                              G_TYPE_OBJECT,  /* LAYER */
3195                                                              G_TYPE_BOOLEAN, /* VISIBLE */
3196                                                              G_TYPE_BOOLEAN, /* ENABLED */
3197                                                              G_TYPE_BOOLEAN, /* SHOWTOGGLE */
3198                                                              G_TYPE_INT);    /* RBGROUP */
3199                 build_layers_tree (pdf_document, model, NULL, iter);
3200                 poppler_layers_iter_free (iter);
3201         }
3202         return model;
3203 }
3204
3205 static void
3206 pdf_document_layers_show_layer (EvDocumentLayers *document,
3207                                 EvLayer          *layer)
3208 {
3209         PdfDocument  *pdf_document = PDF_DOCUMENT (document);
3210         PopplerLayer *poppler_layer;
3211
3212         poppler_layer = POPPLER_LAYER (g_object_get_data (G_OBJECT (layer), "poppler-layer"));
3213         poppler_layer_show (poppler_layer);
3214 }
3215
3216 static void
3217 pdf_document_layers_hide_layer (EvDocumentLayers *document,
3218                                 EvLayer          *layer)
3219 {
3220         PdfDocument  *pdf_document = PDF_DOCUMENT (document);
3221         PopplerLayer *poppler_layer;
3222
3223         poppler_layer = POPPLER_LAYER (g_object_get_data (G_OBJECT (layer), "poppler-layer"));
3224         poppler_layer_hide (poppler_layer);
3225 }
3226
3227 static gboolean
3228 pdf_document_layers_layer_is_visible (EvDocumentLayers *document,
3229                                       EvLayer          *layer)
3230 {
3231         PdfDocument  *pdf_document = PDF_DOCUMENT (document);
3232         PopplerLayer *poppler_layer;
3233
3234         poppler_layer = POPPLER_LAYER (g_object_get_data (G_OBJECT (layer), "poppler-layer"));
3235         return poppler_layer_is_visible (poppler_layer);
3236 }
3237
3238 static void
3239 pdf_document_document_layers_iface_init (EvDocumentLayersInterface *iface)
3240 {
3241         iface->has_layers = pdf_document_layers_has_layers;
3242         iface->get_layers = pdf_document_layers_get_layers;
3243         iface->show_layer = pdf_document_layers_show_layer;
3244         iface->hide_layer = pdf_document_layers_hide_layer;
3245         iface->layer_is_visible = pdf_document_layers_layer_is_visible;
3246 }