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[] = {
70 {"application/pdf", EV_BACKEND_PDF, pdf_document_get_type},
75 {"application/postscript", EV_BACKEND_PS, ps_document_get_type},
76 {"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type},
77 {"image/x-eps", EV_BACKEND_PS, ps_document_get_type},
82 {"image/tiff", EV_BACKEND_TIFF, tiff_document_get_type},
87 {"image/vnd.djvu", EV_BACKEND_DJVU, djvu_document_get_type},
92 {"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type},
97 {"application/x-cbr", EV_BACKEND_COMICS, comics_document_get_type},
98 {"application/x-cbz", EV_BACKEND_COMICS, comics_document_get_type},
101 #ifdef ENABLE_IMPRESS
102 /* Impress slides: */
103 {"application/vnd.sun.xml.impress", EV_BACKEND_IMPRESS, impress_document_get_type},
104 {"application/vnd.oasis.opendocument.presentation", EV_BACKEND_IMPRESS, impress_document_get_type},
112 gdk_pixbuf_mime_type_list ()
114 GSList *formats, *list;
117 formats = gdk_pixbuf_get_formats ();
120 for (list = formats; list != NULL; list = list->next) {
121 GdkPixbufFormat *format = list->data;
125 if (gdk_pixbuf_format_is_disabled (format))
128 mime_types = gdk_pixbuf_format_get_mime_types (format);
130 for (i = 0; mime_types[i] != NULL; i++) {
131 result = g_list_append (result, mime_types[i]);
134 g_slist_free (formats);
139 /* Would be nice to have this in gdk-pixbuf */
141 mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
145 gboolean retval = FALSE;
147 mime_types = gdk_pixbuf_mime_type_list ();
148 for (list = mime_types; list; list = list->next) {
149 if (strcmp ((char *)list->data, mime_type) == 0) {
155 g_list_foreach (mime_types, (GFunc)g_free, NULL);
156 g_list_free (mime_types);
163 ev_document_factory_get_from_mime (const char *mime_type)
166 GType type = G_TYPE_INVALID;
167 EvDocument *document = NULL;
169 g_return_val_if_fail (mime_type, G_TYPE_INVALID);
171 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
172 if (strcmp (mime_type, document_types[i].mime_type) == 0) {
173 g_assert (document_types[i].document_type_factory_callback != NULL);
174 type = document_types[i].document_type_factory_callback();
179 if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
180 type = pixbuf_document_get_type ();
183 if (type != G_TYPE_INVALID) {
184 document = g_object_new (type, NULL);
191 ev_document_factory_get_backend (EvDocument *document)
195 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
196 GType type = document_types[i].document_type_factory_callback ();
197 if (type == G_TYPE_FROM_INSTANCE (document)) {
198 return document_types[i].backend;
203 if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
204 return EV_BACKEND_PIXBUF;
206 g_assert_not_reached ();
212 ev_document_factory_get_mime_types (EvBackend backend)
218 if (backend == EV_BACKEND_PIXBUF) {
219 return gdk_pixbuf_mime_type_list ();
223 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
224 if (document_types[i].backend == backend) {
225 types = g_list_append (types, g_strdup (document_types[i].mime_type));
233 ev_document_factory_get_all_mime_types (void)
238 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
239 types = g_list_append (types, g_strdup (document_types[i].mime_type));
243 types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
250 get_document_from_uri (const char *uri, gboolean slow, GError **error)
252 EvDocument *document = NULL;
254 GnomeVFSFileInfo *info;
255 GnomeVFSResult result;
257 info = gnome_vfs_file_info_new ();
258 result = gnome_vfs_get_file_info (uri, info,
259 GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
260 GNOME_VFS_FILE_INFO_FOLLOW_LINKS |
261 (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
262 if (result != GNOME_VFS_OK) {
266 gnome_vfs_result_to_string (result));
267 gnome_vfs_file_info_unref (info);
271 if (info->mime_type == NULL) {
275 _("Unknown MIME Type"));
276 gnome_vfs_file_info_unref (info);
280 document = ev_document_factory_get_from_mime (info->mime_type);
282 if (document == NULL) {
286 _("Unhandled MIME type: ā%sā"), info->mime_type);
287 gnome_vfs_file_info_unref (info);
291 gnome_vfs_file_info_unref (info);
297 ev_document_factory_get_document (const char *uri, GError **error)
299 EvDocument *document;
302 document = get_document_from_uri (uri, FALSE, error);
304 if (*error == NULL) {
305 result = ev_document_load (document, uri, error);
307 if (result == FALSE || *error) {
309 (*error)->domain == EV_DOCUMENT_ERROR &&
310 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
317 /* Try again with slow mime detection */
319 g_object_unref (document);
323 g_error_free (*error);
326 document = get_document_from_uri (uri, TRUE, error);
328 if (*error != NULL) {
332 result = ev_document_load (document, uri, error);
334 if (result == FALSE) {
335 if (*error == NULL) {
339 _("Unknown MIME Type"));
340 } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
341 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
346 g_object_unref (document);
354 file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
358 for (l = mime_types; l != NULL; l = l->next) {
359 gtk_file_filter_add_mime_type (filter, l->data);
362 g_list_foreach (mime_types, (GFunc)g_free, NULL);
363 g_list_free (mime_types);
367 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
369 EvBackend backend = 0;
371 GtkFileFilter *filter;
372 GtkFileFilter *default_filter;
373 GtkFileFilter *document_filter;
375 if (document != NULL) {
376 backend = ev_document_factory_get_backend (document);
379 default_filter = document_filter = filter = gtk_file_filter_new ();
380 gtk_file_filter_set_name (filter, _("All Documents"));
381 mime_types = ev_document_factory_get_all_mime_types ();
382 file_filter_add_mime_list_and_free (filter, mime_types);
383 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
386 if (document == NULL || backend == EV_BACKEND_PS) {
387 default_filter = filter = gtk_file_filter_new ();
388 gtk_file_filter_set_name (filter, _("PostScript Documents"));
389 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
390 file_filter_add_mime_list_and_free (filter, mime_types);
391 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
396 if (document == NULL || backend == EV_BACKEND_PDF) {
397 default_filter = filter = gtk_file_filter_new ();
398 gtk_file_filter_set_name (filter, _("PDF Documents"));
399 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
400 file_filter_add_mime_list_and_free (filter, mime_types);
401 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
406 if (document == NULL || backend == EV_BACKEND_PIXBUF) {
407 default_filter = filter = gtk_file_filter_new ();
408 gtk_file_filter_set_name (filter, _("Images"));
409 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
410 file_filter_add_mime_list_and_free (filter, mime_types);
411 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
416 if (document == NULL || backend == EV_BACKEND_DVI) {
417 default_filter = filter = gtk_file_filter_new ();
418 gtk_file_filter_set_name (filter, _("DVI Documents"));
419 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
420 file_filter_add_mime_list_and_free (filter, mime_types);
421 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
426 if (document == NULL || backend == EV_BACKEND_DJVU) {
427 default_filter = filter = gtk_file_filter_new ();
428 gtk_file_filter_set_name (filter, _("Djvu Documents"));
429 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
430 file_filter_add_mime_list_and_free (filter, mime_types);
431 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
436 if (document == NULL || backend == EV_BACKEND_COMICS) {
437 default_filter = filter = gtk_file_filter_new ();
438 gtk_file_filter_set_name (filter, _("Comic Books"));
439 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
440 file_filter_add_mime_list_and_free (filter, mime_types);
441 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
445 #ifdef ENABLE_IMPRESS
446 if (document == NULL || backend == EV_BACKEND_IMPRESS) {
447 default_filter = filter = gtk_file_filter_new ();
448 gtk_file_filter_set_name (filter, _("Impress Slides"));
449 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_IMPRESS);
450 file_filter_add_mime_list_and_free (filter, mime_types);
451 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
455 filter = gtk_file_filter_new ();
456 gtk_file_filter_set_name (filter, _("All Files"));
457 gtk_file_filter_add_pattern (filter, "*");
458 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
460 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
461 document == NULL ? document_filter : default_filter);