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