1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
3 * Copyright (C) 2005, Red Hat, Inc.
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)
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.
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.
25 #include "ev-document-factory.h"
27 /* The various document type backends: */
29 #include "ev-poppler.h"
32 #include "ps-document.h"
35 #include "tiff-document.h"
38 #include "dvi-document.h"
41 #include "pixbuf-document.h"
44 #include "djvu-document.h"
47 #include "comics-document.h"
50 #include "impress-document.h"
54 #include <glib/gstdio.h>
55 #include <glib/gi18n.h>
56 #include <libgnomevfs/gnome-vfs-mime-utils.h>
57 #include <libgnomevfs/gnome-vfs-file-info.h>
58 #include <libgnomevfs/gnome-vfs-ops.h>
59 #include <gtk/gtkfilechooserdialog.h>
61 #include "ev-file-helpers.h"
63 typedef struct _EvDocumentType EvDocumentType;
64 struct _EvDocumentType {
65 const char *mime_type;
66 EvCompressionType compression;
68 GType (*document_type_factory_callback)();
71 const EvDocumentType document_types[] = {
74 {"application/pdf", EV_COMPRESSION_NONE, EV_BACKEND_PDF, pdf_document_get_type},
75 {"application/x-bzpdf", EV_COMPRESSION_BZIP2, EV_BACKEND_PDF, pdf_document_get_type},
76 {"application/x-gzpdf", EV_COMPRESSION_GZIP, EV_BACKEND_PDF, pdf_document_get_type},
81 {"application/postscript", EV_COMPRESSION_NONE, EV_BACKEND_PS, ps_document_get_type},
82 {"application/x-bzpostscript", EV_COMPRESSION_BZIP2, EV_BACKEND_PS, ps_document_get_type},
83 {"application/x-gzpostscript", EV_COMPRESSION_GZIP, EV_BACKEND_PS, ps_document_get_type},
84 {"image/x-eps", EV_COMPRESSION_NONE, EV_BACKEND_PS, ps_document_get_type},
85 {"image/x-bzeps", EV_COMPRESSION_BZIP2, EV_BACKEND_PS, ps_document_get_type},
86 {"image/x-gzeps", EV_COMPRESSION_GZIP, EV_BACKEND_PS, ps_document_get_type},
91 {"image/tiff", EV_COMPRESSION_NONE, EV_BACKEND_TIFF, tiff_document_get_type},
96 {"image/vnd.djvu", EV_COMPRESSION_NONE, EV_BACKEND_DJVU, djvu_document_get_type},
101 {"application/x-dvi", EV_COMPRESSION_NONE, EV_BACKEND_DVI, dvi_document_get_type},
106 {"application/x-cbr", EV_COMPRESSION_NONE, EV_BACKEND_COMICS, comics_document_get_type},
107 {"application/x-cbz", EV_COMPRESSION_NONE, EV_BACKEND_COMICS, comics_document_get_type},
110 #ifdef ENABLE_IMPRESS
111 /* Impress slides: */
112 {"application/vnd.sun.xml.impress", EV_COMPRESSION_NONE, EV_BACKEND_IMPRESS, impress_document_get_type},
113 {"application/vnd.oasis.opendocument.presentation", EV_COMPRESSION_NONE, EV_BACKEND_IMPRESS, impress_document_get_type},
121 gdk_pixbuf_mime_type_list ()
123 GSList *formats, *list;
126 formats = gdk_pixbuf_get_formats ();
129 for (list = formats; list != NULL; list = list->next) {
130 GdkPixbufFormat *format = list->data;
134 if (gdk_pixbuf_format_is_disabled (format))
137 mime_types = gdk_pixbuf_format_get_mime_types (format);
139 for (i = 0; mime_types[i] != NULL; i++) {
140 result = g_list_append (result, mime_types[i]);
143 g_slist_free (formats);
148 /* Would be nice to have this in gdk-pixbuf */
150 mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
154 gboolean retval = FALSE;
156 mime_types = gdk_pixbuf_mime_type_list ();
157 for (list = mime_types; list; list = list->next) {
158 if (strcmp ((char *)list->data, mime_type) == 0) {
164 g_list_foreach (mime_types, (GFunc)g_free, NULL);
165 g_list_free (mime_types);
172 ev_document_factory_get_from_mime (const gchar *mime_type,
173 EvCompressionType *compression)
176 GType type = G_TYPE_INVALID;
177 EvDocument *document = NULL;
179 *compression = EV_COMPRESSION_NONE;
181 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
182 if (strcmp (mime_type, document_types[i].mime_type) == 0) {
183 g_assert (document_types[i].document_type_factory_callback != NULL);
184 type = document_types[i].document_type_factory_callback ();
185 *compression = document_types[i].compression;
190 if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
191 type = pixbuf_document_get_type ();
195 if (type != G_TYPE_INVALID) {
196 document = g_object_new (type, NULL);
203 ev_document_factory_get_backend (EvDocument *document)
207 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
208 GType type = document_types[i].document_type_factory_callback ();
209 if (type == G_TYPE_FROM_INSTANCE (document)) {
210 return document_types[i].backend;
215 if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
216 return EV_BACKEND_PIXBUF;
218 g_assert_not_reached ();
224 ev_document_factory_get_mime_types (EvBackend backend)
230 if (backend == EV_BACKEND_PIXBUF) {
231 return gdk_pixbuf_mime_type_list ();
235 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
236 if (document_types[i].backend == backend) {
237 types = g_list_append (types, g_strdup (document_types[i].mime_type));
245 ev_document_factory_get_all_mime_types (void)
250 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
251 types = g_list_append (types, g_strdup (document_types[i].mime_type));
255 types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
262 get_document_from_uri (const char *uri,
264 EvCompressionType *compression,
267 EvDocument *document = NULL;
268 GnomeVFSFileInfo *info;
269 GnomeVFSResult result;
271 *compression = EV_COMPRESSION_NONE;
273 info = gnome_vfs_file_info_new ();
274 result = gnome_vfs_get_file_info (uri, info,
275 GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
276 GNOME_VFS_FILE_INFO_FOLLOW_LINKS |
277 (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
278 if (result != GNOME_VFS_OK) {
282 gnome_vfs_result_to_string (result));
283 gnome_vfs_file_info_unref (info);
287 if (info->mime_type == NULL) {
291 _("Unknown MIME Type"));
292 gnome_vfs_file_info_unref (info);
296 document = ev_document_factory_get_from_mime (info->mime_type, compression);
298 if (document == NULL) {
302 _("Unhandled MIME type: “%s”"), info->mime_type);
303 gnome_vfs_file_info_unref (info);
307 gnome_vfs_file_info_unref (info);
313 free_uncompressed_uri (gchar *uri_unc)
318 ev_tmp_uri_unlink (uri_unc);
323 ev_document_factory_get_document (const char *uri, GError **error)
325 EvDocument *document;
327 EvCompressionType compression;
328 gchar *uri_unc = NULL;
330 document = get_document_from_uri (uri, FALSE, &compression, error);
331 if (*error == NULL) {
332 uri_unc = ev_file_uncompress (uri, compression, error);
334 g_object_set_data_full (G_OBJECT (document),
337 (GDestroyNotify) free_uncompressed_uri);
340 if (*error != NULL) {
341 /* Error uncompressing file */
343 g_object_unref (document);
347 result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
349 if (result == FALSE || *error) {
351 (*error)->domain == EV_DOCUMENT_ERROR &&
352 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
359 /* Try again with slow mime detection */
361 g_object_unref (document);
365 g_error_free (*error);
370 document = get_document_from_uri (uri, TRUE, &compression, error);
372 if (*error != NULL) {
376 uri_unc = ev_file_uncompress (uri, compression, error);
378 g_object_set_data_full (G_OBJECT (document),
381 (GDestroyNotify) free_uncompressed_uri);
384 if (*error != NULL) {
385 /* Error uncompressing file */
387 g_object_unref (document);
391 result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
393 if (result == FALSE) {
394 if (*error == NULL) {
398 _("Unknown MIME Type"));
399 } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
400 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
405 g_object_unref (document);
413 file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
417 for (l = mime_types; l != NULL; l = l->next) {
418 gtk_file_filter_add_mime_type (filter, l->data);
421 g_list_foreach (mime_types, (GFunc)g_free, NULL);
422 g_list_free (mime_types);
426 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
428 EvBackend backend = 0;
430 GtkFileFilter *filter;
431 GtkFileFilter *default_filter;
432 GtkFileFilter *document_filter;
434 if (document != NULL) {
435 backend = ev_document_factory_get_backend (document);
438 default_filter = document_filter = filter = gtk_file_filter_new ();
439 gtk_file_filter_set_name (filter, _("All Documents"));
440 mime_types = ev_document_factory_get_all_mime_types ();
441 file_filter_add_mime_list_and_free (filter, mime_types);
442 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
445 if (document == NULL || backend == EV_BACKEND_PS) {
446 default_filter = filter = gtk_file_filter_new ();
447 gtk_file_filter_set_name (filter, _("PostScript Documents"));
448 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
449 file_filter_add_mime_list_and_free (filter, mime_types);
450 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
455 if (document == NULL || backend == EV_BACKEND_PDF) {
456 default_filter = filter = gtk_file_filter_new ();
457 gtk_file_filter_set_name (filter, _("PDF Documents"));
458 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
459 file_filter_add_mime_list_and_free (filter, mime_types);
460 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
465 if (document == NULL || backend == EV_BACKEND_PIXBUF) {
466 default_filter = filter = gtk_file_filter_new ();
467 gtk_file_filter_set_name (filter, _("Images"));
468 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
469 file_filter_add_mime_list_and_free (filter, mime_types);
470 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
475 if (document == NULL || backend == EV_BACKEND_DVI) {
476 default_filter = filter = gtk_file_filter_new ();
477 gtk_file_filter_set_name (filter, _("DVI Documents"));
478 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
479 file_filter_add_mime_list_and_free (filter, mime_types);
480 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
485 if (document == NULL || backend == EV_BACKEND_DJVU) {
486 default_filter = filter = gtk_file_filter_new ();
487 gtk_file_filter_set_name (filter, _("Djvu Documents"));
488 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
489 file_filter_add_mime_list_and_free (filter, mime_types);
490 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
495 if (document == NULL || backend == EV_BACKEND_COMICS) {
496 default_filter = filter = gtk_file_filter_new ();
497 gtk_file_filter_set_name (filter, _("Comic Books"));
498 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
499 file_filter_add_mime_list_and_free (filter, mime_types);
500 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
504 #ifdef ENABLE_IMPRESS
505 if (document == NULL || backend == EV_BACKEND_IMPRESS) {
506 default_filter = filter = gtk_file_filter_new ();
507 gtk_file_filter_set_name (filter, _("Impress Slides"));
508 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_IMPRESS);
509 file_filter_add_mime_list_and_free (filter, mime_types);
510 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
514 filter = gtk_file_filter_new ();
515 gtk_file_filter_set_name (filter, _("All Files"));
516 gtk_file_filter_add_pattern (filter, "*");
517 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
519 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
520 document == NULL ? document_filter : default_filter);