[gedit] tab: make code of document_loading() and document_saving() clearer

[Sébastien Wilmet <swilmet src gnome org>]

commit b2bef1d8a2c2f58f7e59c5523534eccdf3850a89
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Jun 15 22:31:20 2014 +0200

    tab: make code of document_loading() and document_saving() clearer
    
    No, the time is not given by a certain extra-terrestrial.

 gedit/gedit-tab.c |   28 ++++++++++++++++++----------
 1 files changed, 18 insertions(+), 10 deletions(-)
---
diff --git a/gedit/gedit-tab.c b/gedit/gedit-tab.c
index aea5e72..7248ceb 100644
--- a/gedit/gedit-tab.c
+++ b/gedit/gedit-tab.c
@@ -908,8 +908,9 @@ document_loading (GeditDocument *document,
                  goffset        total_size,
                  GeditTab      *tab)
 {
-       gdouble et;
+       gdouble elapsed_time;
        gdouble total_time;
+       gdouble remaining_time;
 
        g_return_if_fail ((tab->priv->state == GEDIT_TAB_STATE_LOADING) ||
                          (tab->priv->state == GEDIT_TAB_STATE_REVERTING));
@@ -919,12 +920,15 @@ document_loading (GeditDocument *document,
                tab->priv->timer = g_timer_new ();
        }
 
-       et = g_timer_elapsed (tab->priv->timer, NULL);
+       elapsed_time = g_timer_elapsed (tab->priv->timer, NULL);
 
-       /* et : total_time = size : total_size */
-       total_time = (et * total_size) / size;
+       /* elapsed_time / total_time = size / total_size */
+       total_time = (elapsed_time * total_size) / size;
 
-       if ((total_time - et) > 3.0)
+       remaining_time = total_time - elapsed_time;
+
+       /* Approximately more than 3 seconds remaining. */
+       if (remaining_time > 3.0)
        {
                show_loading_info_bar (tab);
        }
@@ -1140,8 +1144,9 @@ document_saving (GeditDocument *document,
                 goffset        total_size,
                 GeditTab      *tab)
 {
-       gdouble et;
+       gdouble elapsed_time;
        gdouble total_time;
+       gdouble remaining_time;
 
        g_return_if_fail (tab->priv->state == GEDIT_TAB_STATE_SAVING);
 
@@ -1150,12 +1155,15 @@ document_saving (GeditDocument *document,
                tab->priv->timer = g_timer_new ();
        }
 
-       et = g_timer_elapsed (tab->priv->timer, NULL);
+       elapsed_time = g_timer_elapsed (tab->priv->timer, NULL);
+
+       /* elapsed_time / total_time = size / total_size */
+       total_time = (elapsed_time * total_size) / size;
 
-       /* et : total_time = size : total_size */
-       total_time = (et * total_size)/size;
+       remaining_time = total_time - elapsed_time;
 
-       if ((total_time - et) > 3.0)
+       /* Approximately more than 3 seconds remaining. */
+       if (remaining_time > 3.0)
        {
                show_saving_info_bar (tab);
        }