Ejemplos de ev_backends_manager_get_document en C++ (Cpp)

Ejemplo n.º 1

Archivo: ev-properties-main.c Proyecto: 4eremuxa/evince

static GList *
ev_properties_get_pages (NautilusPropertyPageProvider *provider,
			 GList *files)
{
	GError *error = NULL;
	EvDocument *document = NULL;
	GList *pages = NULL;
	NautilusFileInfo *file;
	gchar *uri = NULL;
	gchar *mime_type = NULL;
	GtkWidget *page, *label;
	NautilusPropertyPage *property_page;

	/* only add properties page if a single file is selected */
	if (files == NULL || files->next != NULL)
		goto end;
	file = files->data;

	/* okay, make the page */
	uri = nautilus_file_info_get_uri (file);
	mime_type = nautilus_file_info_get_mime_type (file);
	
	document = ev_backends_manager_get_document (mime_type);
	if (!document)
		goto end;

	ev_document_load (document, uri, &error);
	if (error) {
		g_error_free (error);
		goto end;
	}
	
	label = gtk_label_new (_("Document"));
	page = ev_properties_view_new (uri);
	ev_properties_view_set_info (EV_PROPERTIES_VIEW (page),
				     ev_document_get_info (document));
	gtk_widget_show (page);
	property_page = nautilus_property_page_new ("document-properties",
			label, page);

	pages = g_list_prepend (pages, property_page);

end:
	g_free (uri);
	g_free (mime_type);

	if (document != NULL)
		g_object_unref (document);

	return pages;
}

Ejemplo n.º 2

/*
 * 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 *
get_document_from_uri (const char        *uri,
		       gboolean           fast,
		       EvCompressionType *compression,
		       GError           **error)
{
	EvDocument *document = NULL;
	gchar      *mime_type = NULL;
	GError     *err = NULL;

	*compression = EV_COMPRESSION_NONE;

	mime_type = ev_file_get_mime_type (uri, fast, &err);

	if (mime_type == NULL) {
		g_free (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;
	}

	document = ev_backends_manager_get_document (mime_type);
	
#ifdef ENABLE_PIXBUF
	if (!document && mime_type_supported_by_gdk_pixbuf (mime_type))
		document = ev_backends_manager_get_document ("image/*");
#endif /* ENABLE_PIXBUF */

	if (document == NULL) {
		gchar *content_type, *mime_desc = NULL;

		content_type = g_content_type_from_mime_type (mime_type);
		if (content_type)
			mime_desc = g_content_type_get_description (content_type);

		g_set_error (error,
			     EV_DOCUMENT_ERROR,	
			     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);

		return NULL;
	}

	*compression = get_compression_from_mime_type (mime_type);

	g_free (mime_type);
	
        return document;
}