Updated French translation by Robert-André Mauchin.

[evince.git] / libdocument / ev-document-factory.c

diff --git a/libdocument/ev-document-factory.c b/libdocument/ev-document-factory.c
index 1bc67ef6f667a0441c4dcda3b7f95ad71493d3e6..a920be60bcfe06e2a051866700212b29160a7639 100644 (file)
--- a/libdocument/ev-document-factory.c
+++ b/libdocument/ev-document-factory.c
@@ -23,6 +23,7 @@
 #endif
 
 #include <string.h>
+
 #include <gio/gio.h>
 #include <glib/gstdio.h>
 #include <glib/gi18n.h>
@@ -103,64 +104,111 @@ get_compression_from_mime_type (const gchar *mime_type)
        return EV_COMPRESSION_NONE;
 }
 
-static EvDocument *
-get_document_from_uri (const char        *uri,
-                      gboolean           slow,
-                      EvCompressionType *compression,
-                      GError           **error)
+static gchar *
+get_mime_type_from_uri (const gchar *uri, GError **error)
 {
-       EvDocument *document = NULL;
-       GFile *file;
+       GFile     *file;
        GFileInfo *file_info;
-       const gchar *mime_type;
-
-       *compression = EV_COMPRESSION_NONE;
+       gchar     *mime_type;
 
        file = g_file_new_for_uri (uri);
        file_info = g_file_query_info (file,
                                       G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
-                                      0, NULL, NULL);
+                                      0, NULL, error);
        g_object_unref (file);
 
-       if (file_info == NULL) {
-               g_set_error (error,
-                            EV_DOCUMENT_ERROR,
-                            0,
-                            _("Failed to get info for document"));                     
+       if (file_info == NULL)
+               return NULL;
+
+       mime_type = g_strdup (g_file_info_get_content_type (file_info));
+       g_object_unref (file_info);
+
+       return mime_type;
+}
+
+static gchar *
+get_mime_type_from_data (const gchar *uri, GError **error)
+{
+       GFile            *file;
+       GFileInputStream *input_stream;
+       gssize            size_read;
+       guchar            buffer[1024];
+
+       file = g_file_new_for_uri (uri);
+       
+       input_stream = g_file_read (file, NULL, error);
+       if (!input_stream) {
+               g_object_unref (file);
                return NULL;
        }
-       mime_type = g_file_info_get_content_type (file_info);
+
+       size_read = g_input_stream_read (G_INPUT_STREAM (input_stream),
+                                        buffer, 1024, NULL, NULL);
+       g_input_stream_close (G_INPUT_STREAM (input_stream), NULL, error);
+
+       g_object_unref (file);
+
+       if (size_read == -1)
+               return NULL;
+
+       return g_content_type_guess (NULL, /* no filename */
+                                    buffer, 1024,
+                                    NULL);
+}
+
+static EvDocument *
+get_document_from_uri (const char        *uri,
+                      gboolean           slow,
+                      EvCompressionType *compression,
+                      GError           **error)
+{
+       EvDocument *document = NULL;
+       gchar      *mime_type = NULL;
+
+       *compression = EV_COMPRESSION_NONE;
+
+       mime_type = slow ?
+               get_mime_type_from_data (uri, error) :
+               get_mime_type_from_uri (uri, error);
 
        if (mime_type == NULL) {
-               g_set_error (error,
-                            EV_DOCUMENT_ERROR, 
-                            0,
-                            _("Unknown MIME Type"));
-               g_object_unref (file_info);
+               g_free (mime_type);
+
+               if (*error == NULL) {
+                       g_set_error (error,
+                                    EV_DOCUMENT_ERROR,
+                                    0,
+                                    _("Unknown MIME Type"));
+               }
+               
                return NULL;
        }
 
+       document = ev_backends_manager_get_document (mime_type);
+       
 #ifdef ENABLE_PIXBUF
-       if (mime_type_supported_by_gdk_pixbuf (mime_type))
+       if (!document && mime_type_supported_by_gdk_pixbuf (mime_type))
                document = ev_backends_manager_get_document ("image/*");
-       else
-               document = ev_backends_manager_get_document (mime_type);
-#else
-       document = ev_backends_manager_get_document (mime_type);
 #endif /* ENABLE_PIXBUF */
 
        if (document == NULL) {
+               gchar *mime_desc;
+
+               mime_desc = g_content_type_get_description (mime_type);
                g_set_error (error,
                             EV_DOCUMENT_ERROR, 
                             0,
-                            _("Unhandled MIME type: “%s”"), mime_type);
-               g_object_unref (file_info);
+                            _("File type %s (%s) is not supported"),
+                            mime_desc, mime_type);
+               g_free (mime_desc);
+               g_free (mime_type);
+
                return NULL;
        }
 
        *compression = get_compression_from_mime_type (mime_type);
 
-        g_object_unref (file_info);
+       g_free (mime_type);
        
         return document;
 }