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, gchar **mime_type, 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 if (mime_type != NULL) {
275 *mime_type = g_strdup (info->mime_type);
278 gnome_vfs_file_info_unref (info);
284 ev_document_factory_get_document (const char *uri, gchar **mime_type, GError **error)
286 EvDocument *document;
288 document = get_document_from_uri (uri, FALSE, mime_type, error);
290 if (document != NULL) {
295 g_error_free (*error);
299 document = get_document_from_uri (uri, TRUE, mime_type, error);
305 file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
309 for (l = mime_types; l != NULL; l = l->next) {
310 gtk_file_filter_add_mime_type (filter, l->data);
313 g_list_foreach (mime_types, (GFunc)g_free, NULL);
314 g_list_free (mime_types);
318 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
320 EvBackend backend = 0;
322 GtkFileFilter *filter;
323 GtkFileFilter *default_filter;
324 GtkFileFilter *document_filter;
326 if (document != NULL) {
327 backend = ev_document_factory_get_backend (document);
330 default_filter = document_filter = filter = gtk_file_filter_new ();
331 gtk_file_filter_set_name (filter, _("All Documents"));
332 mime_types = ev_document_factory_get_all_mime_types ();
333 file_filter_add_mime_list_and_free (filter, mime_types);
334 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
337 if (document == NULL || backend == EV_BACKEND_PS) {
338 default_filter = filter = gtk_file_filter_new ();
339 gtk_file_filter_set_name (filter, _("PostScript Documents"));
340 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
341 file_filter_add_mime_list_and_free (filter, mime_types);
342 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
346 if (document == NULL || backend == EV_BACKEND_PDF) {
347 default_filter = filter = gtk_file_filter_new ();
348 gtk_file_filter_set_name (filter, _("PDF Documents"));
349 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
350 file_filter_add_mime_list_and_free (filter, mime_types);
351 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
355 if (document == NULL || backend == EV_BACKEND_PIXBUF) {
356 default_filter = filter = gtk_file_filter_new ();
357 gtk_file_filter_set_name (filter, _("Images"));
358 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
359 file_filter_add_mime_list_and_free (filter, mime_types);
360 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
365 if (document == NULL || backend == EV_BACKEND_DVI) {
366 default_filter = filter = gtk_file_filter_new ();
367 gtk_file_filter_set_name (filter, _("DVI Documents"));
368 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
369 file_filter_add_mime_list_and_free (filter, mime_types);
370 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
375 if (document == NULL || backend == EV_BACKEND_DJVU) {
376 default_filter = filter = gtk_file_filter_new ();
377 gtk_file_filter_set_name (filter, _("Djvu Documents"));
378 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
379 file_filter_add_mime_list_and_free (filter, mime_types);
380 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
385 if (document == NULL || backend == EV_BACKEND_COMICS) {
386 default_filter = filter = gtk_file_filter_new ();
387 gtk_file_filter_set_name (filter, _("Comic Books"));
388 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
389 file_filter_add_mime_list_and_free (filter, mime_types);
390 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
394 filter = gtk_file_filter_new ();
395 gtk_file_filter_set_name (filter, _("All Files"));
396 gtk_file_filter_add_pattern (filter, "*");
397 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
399 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
400 document == NULL ? document_filter : default_filter);