/* -*- 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-types.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 #include #include #include #include #include typedef struct _EvDocumentType EvDocumentType; struct _EvDocumentType { const char *mime_type; GType (*document_type_factory_callback)(); }; const EvDocumentType document_types[] = { /* PDF: */ {"application/pdf", pdf_document_get_type}, /* Postscript: */ {"application/postscript", ps_document_get_type}, {"application/x-gzpostscript", ps_document_get_type}, {"image/x-eps", ps_document_get_type}, #ifdef ENABLE_TIFF /* Tiff: */ {"image/tiff", tiff_document_get_type}, #endif #ifdef ENABLE_DJVU /* djvu: */ {"image/vnd.djvu", djvu_document_get_type}, #endif #ifdef ENABLE_DVI /* dvi: */ {"application/x-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_from_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(); } } if (mime_type_supported_by_gdk_pixbuf (mime_type)) { return pixbuf_document_get_type (); } return G_TYPE_INVALID; } /** * ev_document_type_get_type: * @uri: String with uri * @slow: Do we need to check slow gnome-vfs mime type * @mime_type: If we've found handled type, the mime_type string is returned here. * @error: Information about error occured * * Return value: G_TYPE_INVALID on error, G_TYPE_NONE when we are not sure about * mime type, and type of EvDocument implementation when we've found document. **/ static GType ev_document_type_get_type (const char *uri, gboolean slow, gchar **mime_type, GError **error) { GnomeVFSFileInfo *info; GnomeVFSResult result; GType type = G_TYPE_INVALID; info = gnome_vfs_file_info_new (); result = gnome_vfs_get_file_info (uri, info, GNOME_VFS_FILE_INFO_GET_MIME_TYPE | GNOME_VFS_FILE_INFO_FOLLOW_LINKS | (slow ? GNOME_VFS_FILE_INFO_FORCE_SLOW_MIME_TYPE : 0)); if (result != GNOME_VFS_OK) { g_set_error (error, EV_DOCUMENT_ERROR, 0, gnome_vfs_result_to_string (result)); gnome_vfs_file_info_unref (info); return G_TYPE_INVALID; } if (info->mime_type == NULL) { g_set_error (error, EV_DOCUMENT_ERROR, 0, _("Unknown MIME Type")); gnome_vfs_file_info_unref (info); return slow ? G_TYPE_INVALID : G_TYPE_NONE; } type = ev_document_type_from_from_mime (info->mime_type); if (type == G_TYPE_INVALID) { g_set_error (error, EV_DOCUMENT_ERROR, 0, _("Unhandled MIME type: '%s'"), info->mime_type); gnome_vfs_file_info_unref (info); return slow ? G_TYPE_INVALID : G_TYPE_NONE; } if (mime_type != NULL) { *mime_type = g_strdup (info->mime_type); } gnome_vfs_file_info_unref (info); return type; } GType ev_document_type_lookup (const char *uri, gchar **mime_type, GError **error) { GType type = G_TYPE_INVALID; type = ev_document_type_get_type (uri, FALSE, mime_type, error); if (type != G_TYPE_NONE) return type; if (error) { g_error_free (*error); *error = NULL; } type = ev_document_type_get_type (uri, TRUE, mime_type, error); return type; } void ev_document_types_add_filters (GtkWidget *chooser) { GtkFileFilter *documents_filter; GtkFileFilter *pdf_filter; GtkFileFilter *ps_filter; GtkFileFilter *pixbuf_filter; GtkFileFilter *all_filter; #ifdef ENABLE_DJVU GtkFileFilter *djvu_filter; #endif #ifdef ENABLE_DVI GtkFileFilter *dvi_filter; #endif documents_filter = gtk_file_filter_new (); gtk_file_filter_set_name (documents_filter, _("All Documents")); gtk_file_filter_add_mime_type (documents_filter, "application/postscript"); gtk_file_filter_add_mime_type (documents_filter, "application/x-gzpostscript"); gtk_file_filter_add_mime_type (documents_filter, "image/x-eps"); gtk_file_filter_add_mime_type (documents_filter, "application/pdf"); #ifdef ENABLE_DVI gtk_file_filter_add_mime_type (documents_filter, "application/x-dvi"); #endif gtk_file_filter_add_pixbuf_formats (documents_filter); #ifdef ENABLE_DJVU gtk_file_filter_add_mime_type (documents_filter, "image/vnd.djvu"); #endif gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), documents_filter); ps_filter = gtk_file_filter_new (); gtk_file_filter_set_name (ps_filter, _("PostScript Documents")); gtk_file_filter_add_mime_type (ps_filter, "application/postscript"); gtk_file_filter_add_mime_type (ps_filter, "application/x-gzpostscript"); gtk_file_filter_add_mime_type (ps_filter, "image/x-eps"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), ps_filter); pdf_filter = gtk_file_filter_new (); gtk_file_filter_set_name (pdf_filter, _("PDF Documents")); gtk_file_filter_add_mime_type (pdf_filter, "application/pdf"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), pdf_filter); #ifdef ENABLE_DVI dvi_filter = gtk_file_filter_new (); gtk_file_filter_set_name (dvi_filter, _("DVI Documents")); gtk_file_filter_add_mime_type (dvi_filter, "application/x-dvi"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), dvi_filter); #endif pixbuf_filter = gtk_file_filter_new (); gtk_file_filter_set_name (pixbuf_filter, _("Images")); gtk_file_filter_add_pixbuf_formats (pixbuf_filter); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), pixbuf_filter); #ifdef ENABLE_DJVU djvu_filter = gtk_file_filter_new (); gtk_file_filter_set_name (djvu_filter, _("Djvu Documents")); gtk_file_filter_add_mime_type (djvu_filter, "image/vnd.djvu"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), djvu_filter); #endif all_filter = gtk_file_filter_new (); gtk_file_filter_set_name (all_filter, _("All Files")); gtk_file_filter_add_pattern (all_filter, "*"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_filter); gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser), documents_filter); } void ev_document_types_add_filters_for_type (GtkWidget *chooser, GType type) { GtkFileFilter *documents_filter; GtkFileFilter *pdf_filter; GtkFileFilter *ps_filter; GtkFileFilter *pixbuf_filter; GtkFileFilter *all_filter; #ifdef ENABLE_DJVU GtkFileFilter *djvu_filter; #endif #ifdef ENABLE_DVI GtkFileFilter *dvi_filter; #endif GtkFileFilter *default_filter; documents_filter = gtk_file_filter_new (); gtk_file_filter_set_name (documents_filter, _("All Documents")); gtk_file_filter_add_mime_type (documents_filter, "application/postscript"); gtk_file_filter_add_mime_type (documents_filter, "application/x-gzpostscript"); gtk_file_filter_add_mime_type (documents_filter, "image/x-eps"); gtk_file_filter_add_mime_type (documents_filter, "application/pdf"); #ifdef ENABLE_DVI gtk_file_filter_add_mime_type (documents_filter, "application/x-dvi"); #endif gtk_file_filter_add_pixbuf_formats (documents_filter); #ifdef ENABLE_DJVU gtk_file_filter_add_mime_type (documents_filter, "image/vnd.djvu"); #endif gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), documents_filter); if (type == PS_TYPE_DOCUMENT) { ps_filter = gtk_file_filter_new (); gtk_file_filter_set_name (ps_filter, _("PostScript Documents")); gtk_file_filter_add_mime_type (ps_filter, "application/postscript"); gtk_file_filter_add_mime_type (ps_filter, "application/x-gzpostscript"); gtk_file_filter_add_mime_type (ps_filter, "image/x-eps"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), ps_filter); default_filter = ps_filter; } else if (type == PDF_TYPE_DOCUMENT) { pdf_filter = gtk_file_filter_new (); gtk_file_filter_set_name (pdf_filter, _("PDF Documents")); gtk_file_filter_add_mime_type (pdf_filter, "application/pdf"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), pdf_filter); default_filter = pdf_filter; #ifdef ENABLE_DVI } else if (type == DVI_TYPE_DOCUMENT) { dvi_filter = gtk_file_filter_new (); gtk_file_filter_set_name (dvi_filter, _("DVI Documents")); gtk_file_filter_add_mime_type (dvi_filter, "application/x-dvi"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), dvi_filter); default_filter = dvi_filter; #endif } else if (type == PIXBUF_TYPE_DOCUMENT) { pixbuf_filter = gtk_file_filter_new (); gtk_file_filter_set_name (pixbuf_filter, _("Images")); gtk_file_filter_add_pixbuf_formats (pixbuf_filter); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), pixbuf_filter); default_filter = pixbuf_filter; #ifdef ENABLE_DJVU } else if (type == DJVU_TYPE_DOCUMENT) { djvu_filter = gtk_file_filter_new (); gtk_file_filter_set_name (djvu_filter, _("Djvu Documents")); gtk_file_filter_add_mime_type (djvu_filter, "image/vnd.djvu"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), djvu_filter); default_filter = djvu_filter; #endif } else { default_filter = documents_filter; } all_filter = gtk_file_filter_new (); gtk_file_filter_set_name (all_filter, _("All Files")); gtk_file_filter_add_pattern (all_filter, "*"); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), all_filter); gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (chooser), default_filter); }