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"
31 #include "impress-document.h"
34 #include "ps-document.h"
37 #include "dvi-document.h"
40 #include "djvu-document.h"
43 #include "comics-document.h"
47 #include <glib/gi18n.h>
48 #include <libgnomevfs/gnome-vfs-mime-utils.h>
49 #include <libgnomevfs/gnome-vfs-file-info.h>
50 #include <libgnomevfs/gnome-vfs-ops.h>
51 #include <gtk/gtkfilechooserdialog.h>
53 typedef struct _EvDocumentType EvDocumentType;
54 struct _EvDocumentType
56 const char *mime_type;
58 GType (*document_type_factory_callback)();
61 const EvDocumentType document_types[] = {
63 {"application/pdf", EV_BACKEND_PDF, pdf_document_get_type},
67 {"application/postscript", EV_BACKEND_PS, ps_document_get_type},
68 {"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type},
69 {"image/x-eps", EV_BACKEND_PS, ps_document_get_type},
74 {"application/vnd.sun.xml.impress", EV_BACKEND_IMPRESS, impress_document_get_type},
79 {"image/tiff", EV_BACKEND_TIFF, tiff_document_get_type},
84 {"image/vnd.djvu", EV_BACKEND_DJVU, djvu_document_get_type},
89 {"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type},
94 {"application/x-cbr", EV_BACKEND_COMICS, comics_document_get_type},
95 {"application/x-cbz", EV_BACKEND_COMICS, comics_document_get_type},
102 gdk_pixbuf_mime_type_list ()
104 GSList *formats, *list;
107 formats = gdk_pixbuf_get_formats ();
110 for (list = formats; list != NULL; list = list->next) {
111 GdkPixbufFormat *format = list->data;
115 if (gdk_pixbuf_format_is_disabled (format))
118 mime_types = gdk_pixbuf_format_get_mime_types (format);
120 for (i = 0; mime_types[i] != NULL; i++) {
121 result = g_list_append (result, mime_types[i]);
124 g_slist_free (formats);
129 /* Would be nice to have this in gdk-pixbuf */
131 mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
135 gboolean retval = FALSE;
137 mime_types = gdk_pixbuf_mime_type_list ();
138 for (list = mime_types; list; list = list->next) {
139 if (strcmp ((char *)list->data, mime_type) == 0) {
145 g_list_foreach (mime_types, (GFunc)g_free, NULL);
146 g_list_free (mime_types);
153 ev_document_factory_get_from_mime (const char *mime_type)
156 GType type = G_TYPE_INVALID;
157 EvDocument *document = NULL;
159 g_return_val_if_fail (mime_type, G_TYPE_INVALID);
161 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
162 if (strcmp (mime_type, document_types[i].mime_type) == 0) {
163 g_assert (document_types[i].document_type_factory_callback != NULL);
164 type = document_types[i].document_type_factory_callback();
169 if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
170 type = pixbuf_document_get_type ();
173 if (type != G_TYPE_INVALID) {
174 document = g_object_new (type, NULL);
181 ev_document_factory_get_backend (EvDocument *document)
185 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
186 GType type = document_types[i].document_type_factory_callback ();
187 if (type == G_TYPE_FROM_INSTANCE (document)) {
188 return document_types[i].backend;
193 if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
194 return EV_BACKEND_PIXBUF;
196 g_assert_not_reached ();
202 ev_document_factory_get_mime_types (EvBackend backend)
208 if (backend == EV_BACKEND_PIXBUF) {
209 return gdk_pixbuf_mime_type_list ();
213 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
214 if (document_types[i].backend == backend) {
215 types = g_list_append (types, g_strdup (document_types[i].mime_type));
223 ev_document_factory_get_all_mime_types (void)
228 for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
229 types = g_list_append (types, g_strdup (document_types[i].mime_type));
233 types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
240 get_document_from_uri (const char *uri, gboolean slow, GError **error)
242 EvDocument *document = NULL;
244 GnomeVFSFileInfo *info;
245 GnomeVFSResult result;
247 info = gnome_vfs_file_info_new ();
248 result = gnome_vfs_get_file_info (uri, info,
249 GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
250 GNOME_VFS_FILE_INFO_FOLLOW_LINKS |
251 (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
252 if (result != GNOME_VFS_OK) {
256 gnome_vfs_result_to_string (result));
257 gnome_vfs_file_info_unref (info);
261 if (info->mime_type == NULL) {
265 _("Unknown MIME Type"));
266 gnome_vfs_file_info_unref (info);
270 document = ev_document_factory_get_from_mime (info->mime_type);
272 if (document == NULL) {
276 _("Unhandled MIME type: ā%sā"), info->mime_type);
277 gnome_vfs_file_info_unref (info);
281 gnome_vfs_file_info_unref (info);
287 ev_document_factory_get_document (const char *uri, GError **error)
289 EvDocument *document;
292 document = get_document_from_uri (uri, FALSE, error);
294 if (*error != NULL) {
298 result = ev_document_load (document, uri, error);
300 if (result == FALSE || *error) {
302 (*error)->domain == EV_DOCUMENT_ERROR &&
303 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
309 /* Try again with slow mime detection */
311 g_object_unref (document);
315 g_error_free (*error);
318 document = get_document_from_uri (uri, TRUE, error);
320 if (*error != NULL) {
324 result = ev_document_load (document, uri, error);
326 if (result == FALSE) {
327 if (*error == NULL) {
331 _("Unknown MIME Type"));
332 } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
333 (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
338 g_object_unref (document);
346 file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
350 for (l = mime_types; l != NULL; l = l->next) {
351 gtk_file_filter_add_mime_type (filter, l->data);
354 g_list_foreach (mime_types, (GFunc)g_free, NULL);
355 g_list_free (mime_types);
359 ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
361 EvBackend backend = 0;
363 GtkFileFilter *filter;
364 GtkFileFilter *default_filter;
365 GtkFileFilter *document_filter;
367 if (document != NULL) {
368 backend = ev_document_factory_get_backend (document);
371 default_filter = document_filter = filter = gtk_file_filter_new ();
372 gtk_file_filter_set_name (filter, _("All Documents"));
373 mime_types = ev_document_factory_get_all_mime_types ();
374 file_filter_add_mime_list_and_free (filter, mime_types);
375 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
378 if (document == NULL || backend == EV_BACKEND_PS) {
379 default_filter = filter = gtk_file_filter_new ();
380 gtk_file_filter_set_name (filter, _("PostScript Documents"));
381 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
382 file_filter_add_mime_list_and_free (filter, mime_types);
383 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
387 if (document == NULL || backend == EV_BACKEND_PDF) {
388 default_filter = filter = gtk_file_filter_new ();
389 gtk_file_filter_set_name (filter, _("PDF Documents"));
390 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
391 file_filter_add_mime_list_and_free (filter, mime_types);
392 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
396 if (document == NULL || backend == EV_BACKEND_PIXBUF) {
397 default_filter = filter = gtk_file_filter_new ();
398 gtk_file_filter_set_name (filter, _("Images"));
399 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
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_DVI) {
407 default_filter = filter = gtk_file_filter_new ();
408 gtk_file_filter_set_name (filter, _("DVI Documents"));
409 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
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_DJVU) {
417 default_filter = filter = gtk_file_filter_new ();
418 gtk_file_filter_set_name (filter, _("Djvu Documents"));
419 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
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_COMICS) {
427 default_filter = filter = gtk_file_filter_new ();
428 gtk_file_filter_set_name (filter, _("Comic Books"));
429 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
430 file_filter_add_mime_list_and_free (filter, mime_types);
431 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
435 #ifdef ENABLE_IMPRESS
436 if (document == NULL || backend == EV_BACKEND_IMPRESS) {
437 default_filter = filter = gtk_file_filter_new ();
438 gtk_file_filter_set_name (filter, _("Impress Slides"));
439 mime_types = ev_document_factory_get_mime_types (EV_BACKEND_IMPRESS);
440 file_filter_add_mime_list_and_free (filter, mime_types);
441 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
445 filter = gtk_file_filter_new ();
446 gtk_file_filter_set_name (filter, _("All Files"));
447 gtk_file_filter_add_pattern (filter, "*");
448 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
450 gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
451 document == NULL ? document_filter : default_filter);