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: */
28 #include "ev-poppler.h"
31 #include "ps-document.h"
34 #include "tiff-document.h"
37 #include "dvi-document.h"
40 #include "pixbuf-document.h"
43 #include "djvu-document.h"
46 #include "comics-document.h"
49 #include "impress-document.h"
53 #include <glib/gi18n.h>
54 #include <libgnomevfs/gnome-vfs-mime-utils.h>
55 #include <libgnomevfs/gnome-vfs-file-info.h>
56 #include <libgnomevfs/gnome-vfs-ops.h>
57 #include <gtk/gtkfilechooserdialog.h>
59 typedef struct _EvDocumentType EvDocumentType;
60 struct _EvDocumentType
62 const char *mime_type;
64 GType (*document_type_factory_callback)();
67 const EvDocumentType document_types[] = {
69 {"application/pdf", EV_BACKEND_PDF, pdf_document_get_type},
73 {"application/postscript", EV_BACKEND_PS, ps_document_get_type},
74 {"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type},
75 {"image/x-eps", EV_BACKEND_PS, ps_document_get_type},
80 {"image/tiff", EV_BACKEND_TIFF, tiff_document_get_type},
85 {"image/vnd.djvu", EV_BACKEND_DJVU, djvu_document_get_type},
90 {"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type},
95 {"application/x-cbr", EV_BACKEND_COMICS, comics_document_get_type},
96 {"application/x-cbz", EV_BACKEND_COMICS, comics_document_get_type},
100 /* Impress slides: */
101 {"application/vnd.sun.xml.impress", EV_BACKEND_IMPRESS, impress_document_get_type},
102 {"application/vnd.oasis.opendocument.presentation", EV_BACKEND_IMPRESS, impress_document_get_type},
110 gdk_pixbuf_mime_type_list ()
112 GSList *formats, *list;
115 formats = gdk_pixbuf_get_formats ();
118 for (list = formats; list != NULL; list = list->next) {
119 GdkPixbufFormat *format = list->data;
123 if (gdk_pixbuf_format_is_disabled (format))
126 mime_types = gdk_pixbuf_format_get_mime_types (format);
128 for (i = 0; mime_types[i] != NULL; i++) {
129 result = g_list_append (result, mime_types[i]);
132 g_slist_free (formats);
137 /* Would be nice to have this in gdk-pixbuf */
139 mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
143 gboolean retval = FALSE;
145 mime_types = gdk_pixbuf_mime_type_list ();
146 for (list = mime_types; list; list = list->next) {
147 if (strcmp ((char *)list->data, mime_type) == 0) {
153 g_list_foreach (mime_types, (GFunc)g_free, NULL);
154 g_list_free (mime_types);
161 ev_document_factory_get_from_mime (const char *mime_type)
164 GType type = G_TYPE_INVALID;
165 EvDocument *document = NULL;
167 g_return_val_if_fail (mime_type, G_TYPE_INVALID);
169 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
170 if (strcmp (mime_type, document_types[i].mime_type) == 0) {
171 g_assert (document_types[i].document_type_factory_callback != NULL);
172 type = document_types[i].document_type_factory_callback();
177 if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
178 type = pixbuf_document_get_type ();
181 if (type != G_TYPE_INVALID) {
182 document = g_object_new (type, NULL);
189 ev_document_factory_get_backend (EvDocument *document)
193 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
194 GType type = document_types[i].document_type_factory_callback ();
195 if (type == G_TYPE_FROM_INSTANCE (document)) {
196 return document_types[i].backend;
201 if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
202 return EV_BACKEND_PIXBUF;
204 g_assert_not_reached ();
210 ev_document_factory_get_mime_types (EvBackend backend)
216 if (backend == EV_BACKEND_PIXBUF) {
217 return gdk_pixbuf_mime_type_list ();
221 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
222 if (document_types[i].backend == backend) {
223 types = g_list_append (types, g_strdup (document_types[i].mime_type));
231 ev_document_factory_get_all_mime_types (void)
236 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
237 types = g_list_append (types, g_strdup (document_types[i].mime_type));
241 types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
248 get_document_from_uri (const char *uri, gboolean slow, GError **error)
250 EvDocument *document = NULL;
252 GnomeVFSFileInfo *info;
253 GnomeVFSResult result;
255 info = gnome_vfs_file_info_new ();
256 result = gnome_vfs_get_file_info (uri, info,
257 GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
258 GNOME_VFS_FILE_INFO_FOLLOW_LINKS |
259 (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
260 if (result != GNOME_VFS_OK) {
264 gnome_vfs_result_to_string (result));
265 gnome_vfs_file_info_unref (info);
269 if (info->mime_type == NULL) {
273 _("Unknown MIME Type"));
274 gnome_vfs_file_info_unref (info);
278 document = ev_document_factory_get_from_mime (info->mime_type);
280 if (document == NULL) {
284 _("Unhandled MIME type: ā%sā"), info->mime_type);
285 gnome_vfs_file_info_unref (info);
289 gnome_vfs_file_info_unref (info);
295 ev_document_factory_get_document (const char *uri, GError **error)
297 EvDocument *document;
300 document = get_document_from_uri (uri, FALSE, error);
302 if (*error == NULL) {
303 result = ev_document_load (document, uri, error);
305 if (result == FALSE || *error) {
307 (*error)->domain == EV_DOCUMENT_ERROR &&
308 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
315 /* Try again with slow mime detection */
317 g_object_unref (document);
321 g_error_free (*error);
324 document = get_document_from_uri (uri, TRUE, error);
326 if (*error != NULL) {
330 result = ev_document_load (document, uri, error);
332 if (result == FALSE) {
333 if (*error == NULL) {
337 _("Unknown MIME Type"));
338 } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
339 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
344 g_object_unref (document);
352 file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
356 for (l = mime_types; l != NULL; l = l->next) {
357 gtk_file_filter_add_mime_type (filter, l->data);
360 g_list_foreach (mime_types, (GFunc)g_free, NULL);
361 g_list_free (mime_types);
365 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
367 EvBackend backend = 0;
369 GtkFileFilter *filter;
370 GtkFileFilter *default_filter;
371 GtkFileFilter *document_filter;
373 if (document != NULL) {
374 backend = ev_document_factory_get_backend (document);
377 default_filter = document_filter = filter = gtk_file_filter_new ();
378 gtk_file_filter_set_name (filter, _("All Documents"));
379 mime_types = ev_document_factory_get_all_mime_types ();
380 file_filter_add_mime_list_and_free (filter, mime_types);
381 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
384 if (document == NULL || backend == EV_BACKEND_PS) {
385 default_filter = filter = gtk_file_filter_new ();
386 gtk_file_filter_set_name (filter, _("PostScript Documents"));
387 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
388 file_filter_add_mime_list_and_free (filter, mime_types);
389 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
393 if (document == NULL || backend == EV_BACKEND_PDF) {
394 default_filter = filter = gtk_file_filter_new ();
395 gtk_file_filter_set_name (filter, _("PDF Documents"));
396 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
397 file_filter_add_mime_list_and_free (filter, mime_types);
398 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
402 if (document == NULL || backend == EV_BACKEND_PIXBUF) {
403 default_filter = filter = gtk_file_filter_new ();
404 gtk_file_filter_set_name (filter, _("Images"));
405 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
406 file_filter_add_mime_list_and_free (filter, mime_types);
407 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
412 if (document == NULL || backend == EV_BACKEND_DVI) {
413 default_filter = filter = gtk_file_filter_new ();
414 gtk_file_filter_set_name (filter, _("DVI Documents"));
415 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
416 file_filter_add_mime_list_and_free (filter, mime_types);
417 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
422 if (document == NULL || backend == EV_BACKEND_DJVU) {
423 default_filter = filter = gtk_file_filter_new ();
424 gtk_file_filter_set_name (filter, _("Djvu Documents"));
425 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
426 file_filter_add_mime_list_and_free (filter, mime_types);
427 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
432 if (document == NULL || backend == EV_BACKEND_COMICS) {
433 default_filter = filter = gtk_file_filter_new ();
434 gtk_file_filter_set_name (filter, _("Comic Books"));
435 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
436 file_filter_add_mime_list_and_free (filter, mime_types);
437 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
441 #ifdef ENABLE_IMPRESS
442 if (document == NULL || backend == EV_BACKEND_IMPRESS) {
443 default_filter = filter = gtk_file_filter_new ();
444 gtk_file_filter_set_name (filter, _("Impress Slides"));
445 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_IMPRESS);
446 file_filter_add_mime_list_and_free (filter, mime_types);
447 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
451 filter = gtk_file_filter_new ();
452 gtk_file_filter_set_name (filter, _("All Files"));
453 gtk_file_filter_add_pattern (filter, "*");
454 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
456 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
457 document == NULL ? document_filter : default_filter);