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/gi18n.h>
55 #include <libgnomevfs/gnome-vfs-mime-utils.h>
56 #include <libgnomevfs/gnome-vfs-file-info.h>
57 #include <libgnomevfs/gnome-vfs-ops.h>
58 #include <gtk/gtkfilechooserdialog.h>
60 typedef struct _EvDocumentType EvDocumentType;
61 struct _EvDocumentType
63 const char *mime_type;
65 GType (*document_type_factory_callback)();
68 const EvDocumentType document_types[] = {
71 {"application/pdf", EV_BACKEND_PDF, pdf_document_get_type},
76 {"application/postscript", EV_BACKEND_PS, ps_document_get_type},
77 {"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type},
78 {"image/x-eps", EV_BACKEND_PS, ps_document_get_type},
83 {"image/tiff", EV_BACKEND_TIFF, tiff_document_get_type},
88 {"image/vnd.djvu", EV_BACKEND_DJVU, djvu_document_get_type},
93 {"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type},
98 {"application/x-cbr", EV_BACKEND_COMICS, comics_document_get_type},
99 {"application/x-cbz", EV_BACKEND_COMICS, comics_document_get_type},
102 #ifdef ENABLE_IMPRESS
103 /* Impress slides: */
104 {"application/vnd.sun.xml.impress", EV_BACKEND_IMPRESS, impress_document_get_type},
105 {"application/vnd.oasis.opendocument.presentation", EV_BACKEND_IMPRESS, impress_document_get_type},
113 gdk_pixbuf_mime_type_list ()
115 GSList *formats, *list;
118 formats = gdk_pixbuf_get_formats ();
121 for (list = formats; list != NULL; list = list->next) {
122 GdkPixbufFormat *format = list->data;
126 if (gdk_pixbuf_format_is_disabled (format))
129 mime_types = gdk_pixbuf_format_get_mime_types (format);
131 for (i = 0; mime_types[i] != NULL; i++) {
132 result = g_list_append (result, mime_types[i]);
135 g_slist_free (formats);
140 /* Would be nice to have this in gdk-pixbuf */
142 mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
146 gboolean retval = FALSE;
148 mime_types = gdk_pixbuf_mime_type_list ();
149 for (list = mime_types; list; list = list->next) {
150 if (strcmp ((char *)list->data, mime_type) == 0) {
156 g_list_foreach (mime_types, (GFunc)g_free, NULL);
157 g_list_free (mime_types);
164 ev_document_factory_get_from_mime (const char *mime_type)
167 GType type = G_TYPE_INVALID;
168 EvDocument *document = NULL;
170 g_return_val_if_fail (mime_type, G_TYPE_INVALID);
172 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
173 if (strcmp (mime_type, document_types[i].mime_type) == 0) {
174 g_assert (document_types[i].document_type_factory_callback != NULL);
175 type = document_types[i].document_type_factory_callback();
180 if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
181 type = pixbuf_document_get_type ();
184 if (type != G_TYPE_INVALID) {
185 document = g_object_new (type, NULL);
192 ev_document_factory_get_backend (EvDocument *document)
196 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
197 GType type = document_types[i].document_type_factory_callback ();
198 if (type == G_TYPE_FROM_INSTANCE (document)) {
199 return document_types[i].backend;
204 if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
205 return EV_BACKEND_PIXBUF;
207 g_assert_not_reached ();
213 ev_document_factory_get_mime_types (EvBackend backend)
219 if (backend == EV_BACKEND_PIXBUF) {
220 return gdk_pixbuf_mime_type_list ();
224 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
225 if (document_types[i].backend == backend) {
226 types = g_list_append (types, g_strdup (document_types[i].mime_type));
234 ev_document_factory_get_all_mime_types (void)
239 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
240 types = g_list_append (types, g_strdup (document_types[i].mime_type));
244 types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
251 get_document_from_uri (const char *uri, gboolean slow, GError **error)
253 EvDocument *document = NULL;
255 GnomeVFSFileInfo *info;
256 GnomeVFSResult result;
258 info = gnome_vfs_file_info_new ();
259 result = gnome_vfs_get_file_info (uri, info,
260 GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
261 GNOME_VFS_FILE_INFO_FOLLOW_LINKS |
262 (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
263 if (result != GNOME_VFS_OK) {
267 gnome_vfs_result_to_string (result));
268 gnome_vfs_file_info_unref (info);
272 if (info->mime_type == NULL) {
276 _("Unknown MIME Type"));
277 gnome_vfs_file_info_unref (info);
281 document = ev_document_factory_get_from_mime (info->mime_type);
283 if (document == NULL) {
287 _("Unhandled MIME type: ā%sā"), info->mime_type);
288 gnome_vfs_file_info_unref (info);
292 gnome_vfs_file_info_unref (info);
298 ev_document_factory_get_document (const char *uri, GError **error)
300 EvDocument *document;
303 document = get_document_from_uri (uri, FALSE, error);
305 if (*error == NULL) {
306 result = ev_document_load (document, uri, error);
308 if (result == FALSE || *error) {
310 (*error)->domain == EV_DOCUMENT_ERROR &&
311 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
318 /* Try again with slow mime detection */
320 g_object_unref (document);
324 g_error_free (*error);
327 document = get_document_from_uri (uri, TRUE, error);
329 if (*error != NULL) {
333 result = ev_document_load (document, uri, error);
335 if (result == FALSE) {
336 if (*error == NULL) {
340 _("Unknown MIME Type"));
341 } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
342 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
347 g_object_unref (document);
355 file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
359 for (l = mime_types; l != NULL; l = l->next) {
360 gtk_file_filter_add_mime_type (filter, l->data);
363 g_list_foreach (mime_types, (GFunc)g_free, NULL);
364 g_list_free (mime_types);
368 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
370 EvBackend backend = 0;
372 GtkFileFilter *filter;
373 GtkFileFilter *default_filter;
374 GtkFileFilter *document_filter;
376 if (document != NULL) {
377 backend = ev_document_factory_get_backend (document);
380 default_filter = document_filter = filter = gtk_file_filter_new ();
381 gtk_file_filter_set_name (filter, _("All Documents"));
382 mime_types = ev_document_factory_get_all_mime_types ();
383 file_filter_add_mime_list_and_free (filter, mime_types);
384 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
387 if (document == NULL || backend == EV_BACKEND_PS) {
388 default_filter = filter = gtk_file_filter_new ();
389 gtk_file_filter_set_name (filter, _("PostScript Documents"));
390 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
391 file_filter_add_mime_list_and_free (filter, mime_types);
392 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
397 if (document == NULL || backend == EV_BACKEND_PDF) {
398 default_filter = filter = gtk_file_filter_new ();
399 gtk_file_filter_set_name (filter, _("PDF Documents"));
400 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
401 file_filter_add_mime_list_and_free (filter, mime_types);
402 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
407 if (document == NULL || backend == EV_BACKEND_PIXBUF) {
408 default_filter = filter = gtk_file_filter_new ();
409 gtk_file_filter_set_name (filter, _("Images"));
410 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
411 file_filter_add_mime_list_and_free (filter, mime_types);
412 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
417 if (document == NULL || backend == EV_BACKEND_DVI) {
418 default_filter = filter = gtk_file_filter_new ();
419 gtk_file_filter_set_name (filter, _("DVI Documents"));
420 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
421 file_filter_add_mime_list_and_free (filter, mime_types);
422 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
427 if (document == NULL || backend == EV_BACKEND_DJVU) {
428 default_filter = filter = gtk_file_filter_new ();
429 gtk_file_filter_set_name (filter, _("Djvu Documents"));
430 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
431 file_filter_add_mime_list_and_free (filter, mime_types);
432 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
437 if (document == NULL || backend == EV_BACKEND_COMICS) {
438 default_filter = filter = gtk_file_filter_new ();
439 gtk_file_filter_set_name (filter, _("Comic Books"));
440 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
441 file_filter_add_mime_list_and_free (filter, mime_types);
442 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
446 #ifdef ENABLE_IMPRESS
447 if (document == NULL || backend == EV_BACKEND_IMPRESS) {
448 default_filter = filter = gtk_file_filter_new ();
449 gtk_file_filter_set_name (filter, _("Impress Slides"));
450 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_IMPRESS);
451 file_filter_add_mime_list_and_free (filter, mime_types);
452 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
456 filter = gtk_file_filter_new ();
457 gtk_file_filter_set_name (filter, _("All Files"));
458 gtk_file_filter_add_pattern (filter, "*");
459 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
461 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
462 document == NULL ? document_filter : default_filter);