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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/*
* Copyright (C) 2005, Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ev-document-factory.h"
/* The various document type backends: */
#include "ev-poppler.h"
#include "pixbuf-document.h"
#include "tiff-document.h"
#include "ps-document.h"
#ifdef ENABLE_DVI
#include "dvi-document.h"
#endif
#ifdef ENABLE_DJVU
#include "djvu-document.h"
#endif
#include <string.h>
typedef struct _EvDocumentType EvDocumentType;
struct _EvDocumentType
{
const char *mime_type;
EvBackend backend;
GType (*document_type_factory_callback)();
};
const EvDocumentType document_types[] = {
/* PDF: */
{"application/pdf", EV_BACKEND_PDF, pdf_document_get_type},
/* Postscript: */
{"application/postscript", EV_BACKEND_PS, ps_document_get_type},
{"application/x-gzpostscript", EV_BACKEND_PS, ps_document_get_type},
{"image/x-eps", EV_BACKEND_PS, ps_document_get_type},
#ifdef ENABLE_TIFF
/* Tiff: */
{"image/tiff", EV_BACKEND_TIFF, tiff_document_get_type},
#endif
#ifdef ENABLE_DJVU
/* djvu: */
{"image/vnd.djvu", EV_BACKEND_DJVU, djvu_document_get_type},
#endif
#ifdef ENABLE_DVI
/* dvi: */
{"application/x-dvi", EV_BACKEND_DVI, dvi_document_get_type},
#endif
};
/* Would be nice to have this in gdk-pixbuf */
static gboolean
mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
{
GSList *formats, *list;
gboolean retval = FALSE;
formats = gdk_pixbuf_get_formats ();
list = formats;
while (list) {
GdkPixbufFormat *format = list->data;
int i;
gchar **mime_types;
if (gdk_pixbuf_format_is_disabled (format))
continue;
mime_types = gdk_pixbuf_format_get_mime_types (format);
for (i = 0; mime_types[i] != NULL; i++) {
if (strcmp (mime_types[i], mime_type) == 0) {
retval = TRUE;
break;
}
}
if (retval)
break;
list = list->next;
}
g_slist_free (formats);
return retval;
}
static GType
ev_document_type_get_from_mime (const char *mime_type)
{
int i;
g_return_val_if_fail (mime_type, G_TYPE_INVALID);
for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
if (strcmp (mime_type, document_types[i].mime_type) == 0) {
g_assert (document_types[i].document_type_factory_callback != NULL);
return document_types[i].document_type_factory_callback();
}
}
#ifdef ENABLE_PIXBUF
if (mime_type_supported_by_gdk_pixbuf (mime_type)) {
return pixbuf_document_get_type ();
}
#endif
return G_TYPE_INVALID;
}
EvDocument *
ev_document_factory_get_document (const char *mime_type)
{
GType type = G_TYPE_INVALID;
type = ev_document_type_get_from_mime (mime_type);
if (type != G_TYPE_INVALID) {
return g_object_new (type, NULL);
}
return NULL;
}
EvBackend
ev_document_factory_get_backend (EvDocument *document)
{
int i;
for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
GType type = document_types[i].document_type_factory_callback ();
if (type == G_TYPE_FROM_INSTANCE (document)) {
return document_types[i].backend;
}
}
g_assert_not_reached ();
return 0;
}
GList *
ev_document_factory_get_mime_types (EvBackend backend)
{
GList *types = NULL;
int i;
for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
if (document_types[i].backend == backend) {
types = g_list_append (types, g_strdup (document_types[i].mime_type));
}
}
return types;
}
GList *
ev_document_factory_get_all_mime_types (void)
{
GList *types = NULL;
int i;
for (i = 0; i < G_N_ELEMENTS (document_types); i++) {
types = g_list_append (types, g_strdup (document_types[i].mime_type));
}
return types;
}
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