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"
29 #include "pixbuf-document.h"
30 #include "tiff-document.h"
32 #include "ps-document.h"
35 #include "dvi-document.h"
38 #include "djvu-document.h"
41 #include "comics-document.h"
45 #include <glib/gi18n.h>
46 #include <libgnomevfs/gnome-vfs-mime-utils.h>
47 #include <libgnomevfs/gnome-vfs-file-info.h>
48 #include <libgnomevfs/gnome-vfs-ops.h>
49 #include <gtk/gtkfilechooserdialog.h>
51 typedef struct _EvDocumentType EvDocumentType;
52 struct _EvDocumentType
54 const char *mime_type;
56 GType (*document_type_factory_callback)();
59 const EvDocumentType document_types[] = {
61 {"application/pdf", EV_BACKEND_PDF, pdf_document_get_type},
65 {"application/postscript", EV_BACKEND_PS, ps_document_get_type},
66 {"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type},
67 {"image/x-eps", EV_BACKEND_PS, ps_document_get_type},
72 {"image/tiff", EV_BACKEND_TIFF, tiff_document_get_type},
77 {"image/vnd.djvu", EV_BACKEND_DJVU, djvu_document_get_type},
82 {"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type},
87 {"application/x-cbr", EV_BACKEND_COMICS, comics_document_get_type},
88 {"application/x-cbz", EV_BACKEND_COMICS, comics_document_get_type},
95 gdk_pixbuf_mime_type_list ()
97 GSList *formats, *list;
100 formats = gdk_pixbuf_get_formats ();
103 for (list = formats; list != NULL; list = list->next) {
104 GdkPixbufFormat *format = list->data;
108 if (gdk_pixbuf_format_is_disabled (format))
111 mime_types = gdk_pixbuf_format_get_mime_types (format);
113 for (i = 0; mime_types[i] != NULL; i++) {
114 result = g_list_append (result, mime_types[i]);
117 g_slist_free (formats);
122 /* Would be nice to have this in gdk-pixbuf */
124 mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
128 gboolean retval = FALSE;
130 mime_types = gdk_pixbuf_mime_type_list ();
131 for (list = mime_types; list; list = list->next) {
132 if (strcmp ((char *)list->data, mime_type) == 0) {
138 g_list_foreach (mime_types, (GFunc)g_free, NULL);
139 g_list_free (mime_types);
146 ev_document_factory_get_from_mime (const char *mime_type)
149 GType type = G_TYPE_INVALID;
150 EvDocument *document = NULL;
152 g_return_val_if_fail (mime_type, G_TYPE_INVALID);
154 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
155 if (strcmp (mime_type, document_types[i].mime_type) == 0) {
156 g_assert (document_types[i].document_type_factory_callback != NULL);
157 type = document_types[i].document_type_factory_callback();
162 if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
163 type = pixbuf_document_get_type ();
166 if (type != G_TYPE_INVALID) {
167 document = g_object_new (type, NULL);
174 ev_document_factory_get_backend (EvDocument *document)
178 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
179 GType type = document_types[i].document_type_factory_callback ();
180 if (type == G_TYPE_FROM_INSTANCE (document)) {
181 return document_types[i].backend;
186 if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
187 return EV_BACKEND_PIXBUF;
189 g_assert_not_reached ();
195 ev_document_factory_get_mime_types (EvBackend backend)
201 if (backend == EV_BACKEND_PIXBUF) {
202 return gdk_pixbuf_mime_type_list ();
206 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
207 if (document_types[i].backend == backend) {
208 types = g_list_append (types, g_strdup (document_types[i].mime_type));
216 ev_document_factory_get_all_mime_types (void)
221 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
222 types = g_list_append (types, g_strdup (document_types[i].mime_type));
226 types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
233 get_document_from_uri (const char *uri, gboolean slow, GError **error)
235 EvDocument *document = NULL;
237 GnomeVFSFileInfo *info;
238 GnomeVFSResult result;
240 info = gnome_vfs_file_info_new ();
241 result = gnome_vfs_get_file_info (uri, info,
242 GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
243 GNOME_VFS_FILE_INFO_FOLLOW_LINKS |
244 (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
245 if (result != GNOME_VFS_OK) {
249 gnome_vfs_result_to_string (result));
250 gnome_vfs_file_info_unref (info);
254 if (info->mime_type == NULL) {
258 _("Unknown MIME Type"));
259 gnome_vfs_file_info_unref (info);
263 document = ev_document_factory_get_from_mime (info->mime_type);
265 if (document == NULL) {
269 _("Unhandled MIME type: '%s'"), info->mime_type);
270 gnome_vfs_file_info_unref (info);
274 gnome_vfs_file_info_unref (info);
280 ev_document_factory_get_document (const char *uri, GError **error)
282 EvDocument *document;
284 document = get_document_from_uri (uri, FALSE, error);
286 if (*error == NULL) {
287 ev_document_load (document, uri, error);
291 g_error_free (*error);
297 document = get_document_from_uri (uri, TRUE, error);
299 if (*error != NULL) {
303 ev_document_load (document, uri, error);
309 file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
313 for (l = mime_types; l != NULL; l = l->next) {
314 gtk_file_filter_add_mime_type (filter, l->data);
317 g_list_foreach (mime_types, (GFunc)g_free, NULL);
318 g_list_free (mime_types);
322 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
324 EvBackend backend = 0;
326 GtkFileFilter *filter;
327 GtkFileFilter *default_filter;
328 GtkFileFilter *document_filter;
330 if (document != NULL) {
331 backend = ev_document_factory_get_backend (document);
334 default_filter = document_filter = filter = gtk_file_filter_new ();
335 gtk_file_filter_set_name (filter, _("All Documents"));
336 mime_types = ev_document_factory_get_all_mime_types ();
337 file_filter_add_mime_list_and_free (filter, mime_types);
338 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
341 if (document == NULL || backend == EV_BACKEND_PS) {
342 default_filter = filter = gtk_file_filter_new ();
343 gtk_file_filter_set_name (filter, _("PostScript Documents"));
344 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
345 file_filter_add_mime_list_and_free (filter, mime_types);
346 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
350 if (document == NULL || backend == EV_BACKEND_PDF) {
351 default_filter = filter = gtk_file_filter_new ();
352 gtk_file_filter_set_name (filter, _("PDF Documents"));
353 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
354 file_filter_add_mime_list_and_free (filter, mime_types);
355 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
359 if (document == NULL || backend == EV_BACKEND_PIXBUF) {
360 default_filter = filter = gtk_file_filter_new ();
361 gtk_file_filter_set_name (filter, _("Images"));
362 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
363 file_filter_add_mime_list_and_free (filter, mime_types);
364 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
369 if (document == NULL || backend == EV_BACKEND_DVI) {
370 default_filter = filter = gtk_file_filter_new ();
371 gtk_file_filter_set_name (filter, _("DVI Documents"));
372 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
373 file_filter_add_mime_list_and_free (filter, mime_types);
374 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
379 if (document == NULL || backend == EV_BACKEND_DJVU) {
380 default_filter = filter = gtk_file_filter_new ();
381 gtk_file_filter_set_name (filter, _("Djvu Documents"));
382 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
383 file_filter_add_mime_list_and_free (filter, mime_types);
384 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
389 if (document == NULL || backend == EV_BACKEND_COMICS) {
390 default_filter = filter = gtk_file_filter_new ();
391 gtk_file_filter_set_name (filter, _("Comic Books"));
392 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
393 file_filter_add_mime_list_and_free (filter, mime_types);
394 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
398 filter = gtk_file_filter_new ();
399 gtk_file_filter_set_name (filter, _("All Files"));
400 gtk_file_filter_add_pattern (filter, "*");
401 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
403 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
404 document == NULL ? document_filter : default_filter);