*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#endif
-#include "ev-document-factory.h"
-
-/* The various document type backends: */
-#ifdef ENABLE_PDF
-#include "ev-poppler.h"
-#endif
-#ifdef ENABLE_PS
-#include "ps-document.h"
-#endif
-#ifdef ENABLE_TIFF
-#include "tiff-document.h"
-#endif
-#ifdef ENABLE_DVI
-#include "dvi-document.h"
-#endif
-#ifdef ENABLE_PIXBUF
-#include "pixbuf-document.h"
-#endif
-#ifdef ENABLE_DJVU
-#include "djvu-document.h"
-#endif
-#ifdef ENABLE_COMICS
-#include "comics-document.h"
-#endif
-#ifdef ENABLE_IMPRESS
-#include "impress-document.h"
-#endif
-
#include <string.h>
+
+#include <gio/gio.h>
#include <glib/gstdio.h>
-#include <glib/gi18n.h>
-#include <libgnomevfs/gnome-vfs-mime-utils.h>
-#include <libgnomevfs/gnome-vfs-file-info.h>
-#include <libgnomevfs/gnome-vfs-ops.h>
-#include <gtk/gtkfilechooserdialog.h>
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+#include "ev-backends-manager.h"
+#include "ev-document-factory.h"
#include "ev-file-helpers.h"
-typedef struct _EvDocumentType EvDocumentType;
-struct _EvDocumentType {
- const char *mime_type;
- EvCompressionType compression;
- EvBackend backend;
- GType (*document_type_factory_callback)();
-};
-
-const EvDocumentType document_types[] = {
-#ifdef ENABLE_PDF
- /* PDF: */
- {"application/pdf", EV_COMPRESSION_NONE, EV_BACKEND_PDF, pdf_document_get_type},
- {"application/x-bzpdf", EV_COMPRESSION_BZIP2, EV_BACKEND_PDF, pdf_document_get_type},
- {"application/x-gzpdf", EV_COMPRESSION_GZIP, EV_BACKEND_PDF, pdf_document_get_type},
-#endif
-
-#ifdef ENABLE_PS
- /* Postscript: */
- {"application/postscript", EV_COMPRESSION_NONE, EV_BACKEND_PS, ps_document_get_type},
- {"application/x-bzpostscript", EV_COMPRESSION_BZIP2, EV_BACKEND_PS, ps_document_get_type},
- {"application/x-gzpostscript", EV_COMPRESSION_GZIP, EV_BACKEND_PS, ps_document_get_type},
- {"image/x-eps", EV_COMPRESSION_NONE, EV_BACKEND_PS, ps_document_get_type},
- {"image/x-bzeps", EV_COMPRESSION_BZIP2, EV_BACKEND_PS, ps_document_get_type},
- {"image/x-gzeps", EV_COMPRESSION_GZIP, EV_BACKEND_PS, ps_document_get_type},
-#endif
-
-#ifdef ENABLE_TIFF
- /* Tiff: */
- {"image/tiff", EV_COMPRESSION_NONE, EV_BACKEND_TIFF, tiff_document_get_type},
-#endif
-
-#ifdef ENABLE_DJVU
- /* djvu: */
- {"image/vnd.djvu", EV_COMPRESSION_NONE, EV_BACKEND_DJVU, djvu_document_get_type},
-#endif
-
-#ifdef ENABLE_DVI
- /* dvi: */
- {"application/x-dvi", EV_COMPRESSION_NONE, EV_BACKEND_DVI, dvi_document_get_type},
-#endif
-
-#ifdef ENABLE_COMICS
- /* cbr/cbz: */
- {"application/x-cbr", EV_COMPRESSION_NONE, EV_BACKEND_COMICS, comics_document_get_type},
- {"application/x-cbz", EV_COMPRESSION_NONE, EV_BACKEND_COMICS, comics_document_get_type},
-#endif
-
-#ifdef ENABLE_IMPRESS
- /* Impress slides: */
- {"application/vnd.sun.xml.impress", EV_COMPRESSION_NONE, EV_BACKEND_IMPRESS, impress_document_get_type},
- {"application/vnd.oasis.opendocument.presentation", EV_COMPRESSION_NONE, EV_BACKEND_IMPRESS, impress_document_get_type},
-#endif
-
-};
-
-#ifdef ENABLE_PIXBUF
-
-static GList*
-gdk_pixbuf_mime_type_list ()
+static EvCompressionType
+get_compression_from_mime_type (const gchar *mime_type)
{
- GSList *formats, *list;
- GList *result;
-
- formats = gdk_pixbuf_get_formats ();
- result = NULL;
-
- for (list = formats; list != NULL; list = list->next) {
- 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++) {
- result = g_list_append (result, mime_types[i]);
- }
+ gchar type[3];
+ gchar *p;
+
+ if (!(p = g_strrstr (mime_type, "/")))
+ return EV_COMPRESSION_NONE;
+
+ if (sscanf (++p, "x-%2s%*s", type) == 1) {
+ if (g_ascii_strcasecmp (type, "gz") == 0)
+ return EV_COMPRESSION_GZIP;
+ else if (g_ascii_strcasecmp (type, "bz") == 0)
+ return EV_COMPRESSION_BZIP2;
+ else if (g_ascii_strcasecmp (type, "xz") == 0)
+ return EV_COMPRESSION_LZMA;
}
- g_slist_free (formats);
- return result;
+ return EV_COMPRESSION_NONE;
}
-/* Would be nice to have this in gdk-pixbuf */
-static gboolean
-mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
-{
- GList *mime_types;
- GList *list;
- gboolean retval = FALSE;
-
- mime_types = gdk_pixbuf_mime_type_list ();
- for (list = mime_types; list; list = list->next) {
- if (strcmp ((char *)list->data, mime_type) == 0) {
- retval = TRUE;
- break;
- }
- }
-
- g_list_foreach (mime_types, (GFunc)g_free, NULL);
- g_list_free (mime_types);
-
- return retval;
-}
-#endif
+/*
+ * get_document_from_uri:
+ * @uri: the document URI
+ * @fast: whether to use fast MIME type detection
+ * @compression: a location to store the document's compression type
+ * @error: a #GError location to store an error, or %NULL
+ *
+ * Creates a #EvDocument instance for the document at @uri, using either
+ * fast or slow MIME type detection. If a document could be created,
+ * @compression is filled in with the document's compression type.
+ * On error, %NULL is returned and @error filled in.
+ *
+ * Returns: a new #EvDocument instance, or %NULL on error with @error filled in
+ */
static EvDocument *
-ev_document_factory_get_from_mime (const gchar *mime_type,
- EvCompressionType *compression)
+get_document_from_uri (const char *uri,
+ gboolean fast,
+ EvCompressionType *compression,
+ GError **error)
{
- int i;
- GType type = G_TYPE_INVALID;
EvDocument *document = NULL;
+ gchar *mime_type = NULL;
+ GError *err = NULL;
*compression = EV_COMPRESSION_NONE;
-
- 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);
- type = document_types[i].document_type_factory_callback ();
- *compression = document_types[i].compression;
- break;
- }
- }
-#ifdef ENABLE_PIXBUF
- if (type == G_TYPE_INVALID && mime_type_supported_by_gdk_pixbuf (mime_type)) {
- type = pixbuf_document_get_type ();
- }
-#endif
-
- if (type != G_TYPE_INVALID) {
- document = g_object_new (type, NULL);
- }
-
- return document;
-}
-
-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;
- }
- }
+ mime_type = ev_file_get_mime_type (uri, fast, &err);
-#ifdef ENABLE_PIXBUF
- if (G_TYPE_FROM_INSTANCE (document) == pixbuf_document_get_type ())
- return EV_BACKEND_PIXBUF;
-#endif
- g_assert_not_reached ();
-
- return 0;
-}
+ if (mime_type == NULL) {
+ g_free (mime_type);
-static GList *
-ev_document_factory_get_mime_types (EvBackend backend)
-{
- GList *types = NULL;
- int i;
-
-#ifdef ENABLE_PIXBUF
- if (backend == EV_BACKEND_PIXBUF) {
- return gdk_pixbuf_mime_type_list ();
- }
-#endif
-
- 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));
+ if (err == NULL) {
+ g_set_error_literal (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("Unknown MIME Type"));
+ } else {
+ g_propagate_error (error, err);
}
+
+ return NULL;
}
- return types;
-}
-
-static 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));
- }
-
-#ifdef ENABLE_PIXBUF
- types = g_list_concat (types, gdk_pixbuf_mime_type_list ());
-#endif
-
- return types;
-}
-
-static EvDocument *
-get_document_from_uri (const char *uri,
- gboolean slow,
- EvCompressionType *compression,
- GError **error)
-{
- EvDocument *document = NULL;
- GnomeVFSFileInfo *info;
- GnomeVFSResult result;
+ document = ev_backends_manager_get_document (mime_type);
+ if (document == NULL) {
+ gchar *content_type, *mime_desc = NULL;
- *compression = EV_COMPRESSION_NONE;
+ content_type = g_content_type_from_mime_type (mime_type);
+ if (content_type)
+ mime_desc = g_content_type_get_description (content_type);
- 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 NULL;
- }
-
- if (info->mime_type == NULL) {
g_set_error (error,
EV_DOCUMENT_ERROR,
- 0,
- _("Unknown MIME Type"));
- gnome_vfs_file_info_unref (info);
- return NULL;
- }
+ EV_DOCUMENT_ERROR_INVALID,
+ _("File type %s (%s) is not supported"),
+ mime_desc ? mime_desc : "-", mime_type);
+ g_free (mime_desc);
+ g_free (content_type);
+ g_free (mime_type);
- document = ev_document_factory_get_from_mime (info->mime_type, compression);
-
- if (document == NULL) {
- g_set_error (error,
- EV_DOCUMENT_ERROR,
- 0,
- _("Unhandled MIME type: “%s”"), info->mime_type);
- gnome_vfs_file_info_unref (info);
return NULL;
}
- gnome_vfs_file_info_unref (info);
+ *compression = get_compression_from_mime_type (mime_type);
+
+ g_free (mime_type);
return document;
}
g_free (uri_unc);
}
+/**
+ * ev_document_factory_get_document:
+ * @uri: an URI
+ * @error: a #GError location to store an error, or %NULL
+ *
+ * Creates a #EvDocument for the document at @uri; or, if no backend handling
+ * the document's type is found, or an error occurred on opening the document,
+ * returns %NULL and fills in @error.
+ * If the document is encrypted, it is returned but also @error is set to
+ * %EV_DOCUMENT_ERROR_ENCRYPTED.
+ *
+ * Returns: a new #EvDocument, or %NULL.
+ */
EvDocument *
ev_document_factory_get_document (const char *uri, GError **error)
{
int result;
EvCompressionType compression;
gchar *uri_unc = NULL;
+ GError *err = NULL;
+
+ g_return_val_if_fail (uri != NULL, NULL);
- document = get_document_from_uri (uri, FALSE, &compression, error);
- if (*error == NULL) {
- uri_unc = ev_file_uncompress (uri, compression, error);
+ document = get_document_from_uri (uri, TRUE, &compression, &err);
+ g_assert (document != NULL || err != NULL);
+
+ if (document != NULL) {
+ uri_unc = ev_file_uncompress (uri, compression, &err);
if (uri_unc) {
g_object_set_data_full (G_OBJECT (document),
"uri-uncompressed",
uri_unc,
(GDestroyNotify) free_uncompressed_uri);
- }
-
- if (*error != NULL) {
+ } else if (err != NULL) {
/* Error uncompressing file */
- if (document)
- g_object_unref (document);
+ g_object_unref (document);
+ g_propagate_error (error, err);
return NULL;
}
- result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
+ result = ev_document_load (document, uri_unc ? uri_unc : uri, &err);
- if (result == FALSE || *error) {
- if (*error &&
- (*error)->domain == EV_DOCUMENT_ERROR &&
- (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
+ if (result == FALSE || err) {
+ if (err &&
+ g_error_matches (err, EV_DOCUMENT_ERROR, EV_DOCUMENT_ERROR_ENCRYPTED)) {
+ g_propagate_error (error, err);
return document;
+ }
+ /* else fall through to slow mime code section below */
} else {
return document;
}
+
+ g_object_unref (document);
+ document = NULL;
}
/* Try again with slow mime detection */
- if (document)
- g_object_unref (document);
- document = NULL;
-
- if (*error)
- g_error_free (*error);
- *error = NULL;
-
+ g_clear_error (&err);
uri_unc = NULL;
- document = get_document_from_uri (uri, TRUE, &compression, error);
-
- if (*error != NULL) {
+ document = get_document_from_uri (uri, FALSE, &compression, &err);
+ if (document == NULL) {
+ g_assert (err != NULL);
+ g_propagate_error (error, err);
return NULL;
}
- uri_unc = ev_file_uncompress (uri, compression, error);
+ uri_unc = ev_file_uncompress (uri, compression, &err);
if (uri_unc) {
g_object_set_data_full (G_OBJECT (document),
"uri-uncompressed",
uri_unc,
(GDestroyNotify) free_uncompressed_uri);
- }
-
- if (*error != NULL) {
+ } else if (err != NULL) {
/* Error uncompressing file */
- if (document)
- g_object_unref (document);
+ g_propagate_error (error, err);
+
+ g_object_unref (document);
return NULL;
}
- result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
-
+ result = ev_document_load (document, uri_unc ? uri_unc : uri, &err);
if (result == FALSE) {
- if (*error == NULL) {
- g_set_error (error,
- EV_DOCUMENT_ERROR,
- 0,
- _("Unknown MIME Type"));
- } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
- (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
+ if (err == NULL) {
+ /* FIXME: this really should not happen; the backend should
+ * always return a meaningful error.
+ */
+ g_set_error_literal (&err,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("Unknown MIME Type"));
+ } else if (g_error_matches (err, EV_DOCUMENT_ERROR, EV_DOCUMENT_ERROR_ENCRYPTED)) {
+ g_propagate_error (error, err);
return document;
}
- if (document)
- g_object_unref (document);
+ g_object_unref (document);
document = NULL;
+
+ g_propagate_error (error, err);
}
return document;
}
static void
-file_filter_add_mime_list_and_free (GtkFileFilter *filter, GList *mime_types)
+file_filter_add_mime_types (EvTypeInfo *info, GtkFileFilter *filter)
{
- GList *l;
+ const gchar *mime_type;
+ gint i = 0;
- for (l = mime_types; l != NULL; l = l->next) {
- gtk_file_filter_add_mime_type (filter, l->data);
- }
-
- g_list_foreach (mime_types, (GFunc)g_free, NULL);
- g_list_free (mime_types);
+ while ((mime_type = info->mime_types[i++]))
+ gtk_file_filter_add_mime_type (filter, mime_type);
}
-void
+/**
+ * ev_document_factory_add_filters:
+ * @chooser: a #GtkFileChooser
+ * @document: a #EvDocument, or %NULL
+ *
+ * Adds some file filters to @chooser.
+
+ * Always add a "All documents" format.
+ *
+ * If @document is not %NULL, adds a #GtkFileFilter for @document's MIME type.
+ *
+ * If @document is %NULL, adds a #GtkFileFilter for each document type that evince
+ * can handle.
+ */
+void
ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
{
- EvBackend backend = 0;
- GList *mime_types;
+ GList *all_types;
GtkFileFilter *filter;
GtkFileFilter *default_filter;
GtkFileFilter *document_filter;
- if (document != NULL) {
- backend = ev_document_factory_get_backend (document);
- }
+ g_return_if_fail (GTK_IS_FILE_CHOOSER (chooser));
+ g_return_if_fail (document == NULL || EV_IS_DOCUMENT (document));
+ all_types = ev_backends_manager_get_all_types_info ();
+
default_filter = document_filter = filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("All Documents"));
- mime_types = ev_document_factory_get_all_mime_types ();
- file_filter_add_mime_list_and_free (filter, mime_types);
+ g_list_foreach (all_types, (GFunc)file_filter_add_mime_types, filter);
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
-#ifdef ENABLE_PS
- if (document == NULL || backend == EV_BACKEND_PS) {
- default_filter = filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("PostScript Documents"));
- mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PS);
- file_filter_add_mime_list_and_free (filter, mime_types);
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
- }
-#endif
+ if (document) {
+ EvTypeInfo *info;
-#ifdef ENABLE_PDF
- if (document == NULL || backend == EV_BACKEND_PDF) {
+ info = ev_backends_manager_get_document_type_info (document);
default_filter = filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("PDF Documents"));
- mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PDF);
- file_filter_add_mime_list_and_free (filter, mime_types);
+ gtk_file_filter_set_name (filter, info->desc);
+ file_filter_add_mime_types (info, filter);
+ g_free (info);
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
- }
-#endif
+ } else {
+ GList *l;
-#ifdef ENABLE_PIXBUF
- if (document == NULL || backend == EV_BACKEND_PIXBUF) {
- default_filter = filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Images"));
- mime_types = ev_document_factory_get_mime_types (EV_BACKEND_PIXBUF);
- file_filter_add_mime_list_and_free (filter, mime_types);
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
- }
-#endif
+ for (l = all_types; l; l = g_list_next (l)){
+ EvTypeInfo *info;
-#ifdef ENABLE_DVI
- if (document == NULL || backend == EV_BACKEND_DVI) {
- default_filter = filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("DVI Documents"));
- mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DVI);
- file_filter_add_mime_list_and_free (filter, mime_types);
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
- }
-#endif
+ info = (EvTypeInfo *)l->data;
-#ifdef ENABLE_DJVU
- if (document == NULL || backend == EV_BACKEND_DJVU) {
- default_filter = filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Djvu Documents"));
- mime_types = ev_document_factory_get_mime_types (EV_BACKEND_DJVU);
- file_filter_add_mime_list_and_free (filter, mime_types);
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
- }
-#endif
-
-#ifdef ENABLE_COMICS
- if (document == NULL || backend == EV_BACKEND_COMICS) {
- default_filter = filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Comic Books"));
- mime_types = ev_document_factory_get_mime_types (EV_BACKEND_COMICS);
- file_filter_add_mime_list_and_free (filter, mime_types);
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
+ default_filter = filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, info->desc);
+ file_filter_add_mime_types (info, filter);
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
+ }
}
-#endif
-#ifdef ENABLE_IMPRESS
- if (document == NULL || backend == EV_BACKEND_IMPRESS) {
- default_filter = filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Impress Slides"));
- mime_types = ev_document_factory_get_mime_types (EV_BACKEND_IMPRESS);
- file_filter_add_mime_list_and_free (filter, mime_types);
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (chooser), filter);
- }
-#endif
+ g_list_foreach (all_types, (GFunc)g_free, NULL);
+ g_list_free (all_types);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("All Files"));
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff