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.
28 #include <glib/gstdio.h>
29 #include <glib/gi18n-lib.h>
32 #include "ev-backends-manager.h"
33 #include "ev-document-factory.h"
34 #include "ev-file-helpers.h"
38 gdk_pixbuf_mime_type_list ()
40 GSList *formats, *list;
43 formats = gdk_pixbuf_get_formats ();
44 for (list = formats; list != NULL; list = list->next) {
45 GdkPixbufFormat *format = list->data;
48 if (gdk_pixbuf_format_is_disabled (format))
51 mime_types = gdk_pixbuf_format_get_mime_types (format);
52 result = g_list_prepend (result, mime_types);
54 g_slist_free (formats);
59 /* Would be nice to have this in gdk-pixbuf */
61 mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
65 gboolean retval = FALSE;
67 mime_types = gdk_pixbuf_mime_type_list ();
68 for (list = mime_types; list; list = list->next) {
69 gchar **mtypes = (gchar **)list->data;
73 while ((mtype = mtypes[i++])) {
74 if (strcmp (mtype, mime_type) == 0) {
81 g_list_foreach (mime_types, (GFunc)g_strfreev, NULL);
82 g_list_free (mime_types);
86 #endif /* ENABLE_PIXBUF */
88 static EvCompressionType
89 get_compression_from_mime_type (const gchar *mime_type)
94 if (!(p = g_strrstr (mime_type, "/")))
95 return EV_COMPRESSION_NONE;
97 if (sscanf (++p, "x-%2s%*s", type) == 1) {
98 if (g_ascii_strcasecmp (type, "gz") == 0)
99 return EV_COMPRESSION_GZIP;
100 else if (g_ascii_strcasecmp (type, "bz") == 0)
101 return EV_COMPRESSION_BZIP2;
104 return EV_COMPRESSION_NONE;
108 get_document_from_uri (const char *uri,
110 EvCompressionType *compression,
113 EvDocument *document = NULL;
114 gchar *mime_type = NULL;
116 *compression = EV_COMPRESSION_NONE;
118 mime_type = ev_file_get_mime_type (uri, fast, error);
120 if (mime_type == NULL) {
123 if (*error == NULL) {
124 g_set_error_literal (error,
126 EV_DOCUMENT_ERROR_INVALID,
127 _("Unknown MIME Type"));
133 document = ev_backends_manager_get_document (mime_type);
136 if (!document && mime_type_supported_by_gdk_pixbuf (mime_type))
137 document = ev_backends_manager_get_document ("image/*");
138 #endif /* ENABLE_PIXBUF */
140 if (document == NULL) {
141 gchar *content_type, *mime_desc = NULL;
143 content_type = g_content_type_from_mime_type (mime_type);
145 mime_desc = g_content_type_get_description (content_type);
149 EV_DOCUMENT_ERROR_INVALID,
150 _("File type %s (%s) is not supported"),
151 mime_desc ? mime_desc : "-", mime_type);
153 g_free (content_type);
159 *compression = get_compression_from_mime_type (mime_type);
167 free_uncompressed_uri (gchar *uri_unc)
172 ev_tmp_uri_unlink (uri_unc);
177 ev_document_factory_get_document (const char *uri, GError **error)
179 EvDocument *document;
181 EvCompressionType compression;
182 gchar *uri_unc = NULL;
184 document = get_document_from_uri (uri, TRUE, &compression, error);
185 if (*error == NULL) {
186 uri_unc = ev_file_uncompress (uri, compression, error);
188 g_object_set_data_full (G_OBJECT (document),
191 (GDestroyNotify) free_uncompressed_uri);
194 if (*error != NULL) {
195 /* Error uncompressing file */
197 g_object_unref (document);
201 result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
203 if (result == FALSE || *error) {
205 (*error)->domain == EV_DOCUMENT_ERROR &&
206 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
213 /* Try again with slow mime detection */
215 g_object_unref (document);
219 g_error_free (*error);
224 document = get_document_from_uri (uri, FALSE, &compression, error);
226 if (*error != NULL) {
230 uri_unc = ev_file_uncompress (uri, compression, error);
232 g_object_set_data_full (G_OBJECT (document),
235 (GDestroyNotify) free_uncompressed_uri);
238 if (*error != NULL) {
239 /* Error uncompressing file */
241 g_object_unref (document);
245 result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
247 if (result == FALSE) {
248 if (*error == NULL) {
249 g_set_error_literal (error,
251 EV_DOCUMENT_ERROR_INVALID,
252 _("Unknown MIME Type"));
253 } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
254 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
259 g_object_unref (document);
267 file_filter_add_mime_types (EvTypeInfo *info, GtkFileFilter *filter)
269 const gchar *mime_type;
273 if (g_ascii_strcasecmp (info->mime_types[0], "image/*") == 0) {
274 GList *pixbuf_types, *l;
276 pixbuf_types = gdk_pixbuf_mime_type_list ();
277 for (l = pixbuf_types; l; l = g_list_next (l)) {
278 gchar **mime_types = (gchar **)l->data;
281 while ((mime_type = mime_types[j++]))
282 gtk_file_filter_add_mime_type (filter, mime_type);
284 g_strfreev (mime_types);
286 g_list_free (pixbuf_types);
290 #endif /* ENABLE_PIXBUF */
292 while ((mime_type = info->mime_types[i++]))
293 gtk_file_filter_add_mime_type (filter, mime_type);
297 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
300 GtkFileFilter *filter;
301 GtkFileFilter *default_filter;
302 GtkFileFilter *document_filter;
304 all_types = ev_backends_manager_get_all_types_info ();
306 default_filter = document_filter = filter = gtk_file_filter_new ();
307 gtk_file_filter_set_name (filter, _("All Documents"));
308 g_list_foreach (all_types, (GFunc)file_filter_add_mime_types, filter);
309 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
314 info = ev_backends_manager_get_document_type_info (document);
315 default_filter = filter = gtk_file_filter_new ();
316 gtk_file_filter_set_name (filter, info->desc);
317 file_filter_add_mime_types (info, filter);
319 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
323 for (l = all_types; l; l = g_list_next (l)){
326 info = (EvTypeInfo *)l->data;
328 default_filter = filter = gtk_file_filter_new ();
329 gtk_file_filter_set_name (filter, info->desc);
330 file_filter_add_mime_types (info, filter);
331 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
335 g_list_foreach (all_types, (GFunc)g_free, NULL);
336 g_list_free (all_types);
338 filter = gtk_file_filter_new ();
339 gtk_file_filter_set_name (filter, _("All Files"));
340 gtk_file_filter_add_pattern (filter, "*");
341 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
343 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
344 document == NULL ? document_filter : default_filter);