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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
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* Copyright (C) 2005, Red Hat, Inc.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "ev-document-factory.h"
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/* The various document type backends: */
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#include "ev-poppler.h"
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#include "ps-document.h"
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#include "tiff-document.h"
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#include "dvi-document.h"
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#include "pixbuf-document.h"
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#include "djvu-document.h"
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#include "comics-document.h"
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#include "impress-document.h"
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#include <glib/gi18n.h>
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#include <libgnomevfs/gnome-vfs-mime-utils.h>
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#include <libgnomevfs/gnome-vfs-file-info.h>
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#include <libgnomevfs/gnome-vfs-ops.h>
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#include <gtk/gtkfilechooserdialog.h>
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typedef struct _EvDocumentType EvDocumentType;
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struct _EvDocumentType
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const char *mime_type;
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GType (*document_type_factory_callback)();
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const EvDocumentType document_types[] = {
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{"application/pdf", EV_BACKEND_PDF, pdf_document_get_type},
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{"application/postscript", EV_BACKEND_PS, ps_document_get_type},
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{"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type},
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{"image/x-eps", EV_BACKEND_PS, ps_document_get_type},
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{"image/tiff", EV_BACKEND_TIFF, tiff_document_get_type},
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{"image/vnd.djvu", EV_BACKEND_DJVU, djvu_document_get_type},
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{"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type},
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{"application/x-cbr", EV_BACKEND_COMICS, comics_document_get_type},
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{"application/x-cbz", EV_BACKEND_COMICS, comics_document_get_type},
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#ifdef ENABLE_IMPRESS
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/* Impress slides: */
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{"application/vnd.sun.xml.impress", EV_BACKEND_IMPRESS, impress_document_get_type},
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{"application/vnd.oasis.opendocument.presentation", EV_BACKEND_IMPRESS, impress_document_get_type},
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gdk_pixbuf_mime_type_list ()
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GSList *formats, *list;
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formats = gdk_pixbuf_get_formats ();
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for (list = formats; list != NULL; list = list->next) {
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GdkPixbufFormat *format = list->data;
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if (gdk_pixbuf_format_is_disabled (format))
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mime_types = gdk_pixbuf_format_get_mime_types (format);
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for (i = 0; mime_types[i] != NULL; i++) {
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result = g_list_append (result, mime_types[i]);
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g_slist_free (formats);
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/* Would be nice to have this in gdk-pixbuf */
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mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
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gboolean retval = FALSE;
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mime_types = gdk_pixbuf_mime_type_list ();
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for (list = mime_types; list; list = list->next) {
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if (strcmp ((char *)list->data, mime_type) == 0) {
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g_list_foreach (mime_types, (GFunc)g_free, NULL);
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g_list_free (mime_types);
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ev_document_factory_get_from_mime (const char *mime_type)
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GType type = G_TYPE_INVALID;
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EvDocument *document = NULL;
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g_return_val_if_fail (mime_type, G_TYPE_INVALID);
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for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
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if (strcmp (mime_type, document_types[i].mime_type) == 0) {
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g_assert (document_types[i].document_type_factory_callback != NULL);
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type = document_types[i].document_type_factory_callback();
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if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
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type = pixbuf_document_get_type ();
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if (type != G_TYPE_INVALID) {
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document = g_object_new (type, NULL);
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ev_document_factory_get_backend (EvDocument *document)
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for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
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GType type = document_types[i].document_type_factory_callback ();
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if (type == G_TYPE_FROM_INSTANCE (document)) {
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return document_types[i].backend;
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if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
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return EV_BACKEND_PIXBUF;
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g_assert_not_reached ();
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ev_document_factory_get_mime_types (EvBackend backend)
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if (backend == EV_BACKEND_PIXBUF) {
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return gdk_pixbuf_mime_type_list ();
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for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
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if (document_types[i].backend == backend) {
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types = g_list_append (types, g_strdup (document_types[i].mime_type));
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ev_document_factory_get_all_mime_types (void)
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for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
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types = g_list_append (types, g_strdup (document_types[i].mime_type));
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types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
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get_document_from_uri (const char *uri, gboolean slow, GError **error)
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EvDocument *document = NULL;
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GnomeVFSFileInfo *info;
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GnomeVFSResult result;
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info = gnome_vfs_file_info_new ();
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result = gnome_vfs_get_file_info (uri, info,
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GNOME_VFS_FILE_INFO_GET_MIME_TYPE |
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GNOME_VFS_FILE_INFO_FOLLOW_LINKS |
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(slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0));
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if (result != GNOME_VFS_OK) {
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gnome_vfs_result_to_string (result));
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gnome_vfs_file_info_unref (info);
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if (info->mime_type == NULL) {
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_("Unknown MIME Type"));
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gnome_vfs_file_info_unref (info);
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document = ev_document_factory_get_from_mime (info->mime_type);
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if (document == NULL) {
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_("Unhandled MIME type: “%s”"), info->mime_type);
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gnome_vfs_file_info_unref (info);
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gnome_vfs_file_info_unref (info);
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ev_document_factory_get_document (const char *uri, GError **error)
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EvDocument *document;
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document = get_document_from_uri (uri, FALSE, error);
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if (*error == NULL) {
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result = ev_document_load (document, uri, error);
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if (result == FALSE || *error) {
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(*error)->domain == EV_DOCUMENT_ERROR &&
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(*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
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/* Try again with slow mime detection */
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g_object_unref (document);
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g_error_free (*error);
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document = get_document_from_uri (uri, TRUE, error);
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if (*error != NULL) {
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result = ev_document_load (document, uri, error);
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if (result == FALSE) {
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if (*error == NULL) {
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_("Unknown MIME Type"));
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} else if ((*error)->domain == EV_DOCUMENT_ERROR &&
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(*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
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g_object_unref (document);
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file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
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for (l = mime_types; l != NULL; l = l->next) {
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gtk_file_filter_add_mime_type (filter, l->data);
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g_list_foreach (mime_types, (GFunc)g_free, NULL);
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g_list_free (mime_types);
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ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
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EvBackend backend = 0;
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GtkFileFilter *filter;
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GtkFileFilter *default_filter;
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GtkFileFilter *document_filter;
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if (document != NULL) {
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backend = ev_document_factory_get_backend (document);
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default_filter = document_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("All Documents"));
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mime_types = ev_document_factory_get_all_mime_types ();
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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if (document == NULL || backend == EV_BACKEND_PS) {
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default_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("PostScript Documents"));
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mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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if (document == NULL || backend == EV_BACKEND_PDF) {
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default_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("PDF Documents"));
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mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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if (document == NULL || backend == EV_BACKEND_PIXBUF) {
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default_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("Images"));
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mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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if (document == NULL || backend == EV_BACKEND_DVI) {
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default_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("DVI Documents"));
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mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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if (document == NULL || backend == EV_BACKEND_DJVU) {
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default_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("Djvu Documents"));
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mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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if (document == NULL || backend == EV_BACKEND_COMICS) {
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default_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("Comic Books"));
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mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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#ifdef ENABLE_IMPRESS
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if (document == NULL || backend == EV_BACKEND_IMPRESS) {
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default_filter = filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("Impress Slides"));
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mime_types = ev_document_factory_get_mime_types (EV_BACKEND_IMPRESS);
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file_filter_add_mime_list_and_free (filter, mime_types);
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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filter = gtk_file_filter_new ();
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gtk_file_filter_set_name (filter, _("All Files"));
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gtk_file_filter_add_pattern (filter, "*");
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gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
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gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser),
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document == NULL ? document_filter : default_filter);