From 1ee4a6ba7be2a262721677eb570cf4c2ec86cc70 Mon Sep 17 00:00:00 2001
From: Lionel Le Folgoc <lionel@lefolgoc.net>
Date: Mon, 28 Mar 2011 19:59:12 +0200
Subject: Add a way to delete sessions

This adds a "Clear saved sessions" button in xfce4-session-settings ("Session"
tab), which lets the user delete $XDG_CACHE_HOME/sessions/xfce4-session-*.
---
 settings/session-editor.c             |   62 ++++++++++++++++++++++++++++++++-
 settings/xfce4-session-settings.glade |   41 +++++++++++++++++++++
 2 files changed, 102 insertions(+), 1 deletions(-)

diff --git a/settings/session-editor.c b/settings/session-editor.c
index 1e7d23a..a8647f7 100644
--- a/settings/session-editor.c
+++ b/settings/session-editor.c
@@ -160,6 +160,62 @@ session_editor_sel_changed_btn(GtkTreeSelection *sel,
 }
 
 static void
+session_editor_clear_sessions(GtkWidget *btn,
+                              GtkWidget *treeview)
+{
+    gtk_widget_set_sensitive(btn, FALSE);
+
+    if(xfce_message_dialog(GTK_WINDOW(gtk_widget_get_toplevel(treeview)),
+                           _("Clear sessions"), GTK_STOCK_DIALOG_QUESTION,
+                           _("Are you sure you want to empty the saved sessions' cache?"),
+                           _("The current saved sessions will not be reused at your next login."),
+                           GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                           XFCE_BUTTON_TYPE_MIXED, GTK_STOCK_DELETE, _("_Proceed"), GTK_RESPONSE_ACCEPT,
+                           NULL) == GTK_RESPONSE_ACCEPT)
+    {
+        guint      i, list_size;
+        GError    *error = NULL;
+        gchar     *item_path;
+        gchar    **sessions_list = NULL;
+        GFile     *item_file;
+        GFileInfo *item_props;
+
+        sessions_list = xfce_resource_match(XFCE_RESOURCE_CACHE, "sessions/xfce4-session-*", FALSE);
+
+        list_size = g_strv_length(sessions_list);
+        for (i = 0; i < list_size && sessions_list[i]; ++i)
+        {
+            item_path = xfce_resource_lookup(XFCE_RESOURCE_CACHE, sessions_list[i]);
+            if(!item_path)
+                continue;
+
+            item_file = g_file_new_for_path(item_path);
+            g_free(item_path);
+            item_props = g_file_query_info(item_file, G_FILE_ATTRIBUTE_ACCESS_CAN_DELETE,
+                                           G_FILE_QUERY_INFO_NONE, NULL, NULL);
+            if(item_props &&
+               g_file_info_get_attribute_boolean(item_props,
+                                                 G_FILE_ATTRIBUTE_ACCESS_CAN_DELETE)) {
+                if(!g_file_delete(item_file, NULL, &error)) {
+                    xfce_message_dialog(GTK_WINDOW(gtk_widget_get_toplevel(treeview)),
+                                        _("Clear sessions"), GTK_STOCK_DIALOG_ERROR,
+                                        _("Unable to empty the saved sessions' cache."),
+                                        error->message,
+                                        GTK_STOCK_CLOSE, GTK_RESPONSE_ACCEPT,
+                                        NULL);
+                    g_error_free(error);
+                }
+            }
+            g_object_unref(item_props);
+            g_object_unref(item_file);
+        }
+
+        g_strfreev(sessions_list);
+    }
+    gtk_widget_set_sensitive(btn, TRUE);
+}
+
+static void
 session_editor_quit_client(GtkWidget *btn,
                            GtkWidget *treeview)
 {
@@ -699,7 +755,7 @@ session_editor_populate_treeview(GtkTreeView *treeview)
 void
 session_editor_init(GtkBuilder *builder)
 {
-    GObject *btn_save, *btn_quit, *dlg_saving;
+    GObject *btn_save, *btn_quit, *btn_clear, *dlg_saving;
     GtkTreeView *treeview;
     GtkTreeSelection *sel;
 
@@ -725,6 +781,10 @@ session_editor_init(GtkBuilder *builder)
     g_signal_connect(btn_save, "clicked",
                      G_CALLBACK(session_editor_save_session), GTK_WIDGET(dlg_saving));
 
+    btn_clear = gtk_builder_get_object(builder, "btn_clear_sessions");
+    g_signal_connect(btn_clear, "clicked",
+                     G_CALLBACK(session_editor_clear_sessions), treeview);
+
     btn_quit = gtk_builder_get_object(builder, "btn_quit_client");
     g_signal_connect(btn_quit, "clicked",
                      G_CALLBACK(session_editor_quit_client), treeview);
diff --git a/settings/xfce4-session-settings.glade b/settings/xfce4-session-settings.glade
index c815bc5..be352de 100644
--- a/settings/xfce4-session-settings.glade
+++ b/settings/xfce4-session-settings.glade
@@ -527,6 +527,47 @@
                       </packing>
                     </child>
                     <child>
+                      <object class="GtkButton" id="btn_clear_sessions">
+                        <property name="visible">True</property>
+                        <property name="sensitive">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="receives_default">True</property>
+                        <property name="tooltip_text" translatable="yes">Empty the saved sessions' cache</property>
+                        <child>
+                          <object class="GtkHBox" id="hbox9">
+                            <property name="visible">True</property>
+                            <property name="spacing">4</property>
+                            <child>
+                              <object class="GtkImage" id="image7">
+                                <property name="visible">True</property>
+                                <property name="xalign">1</property>
+                                <property name="stock">gtk-clear</property>
+                              </object>
+                              <packing>
+                                <property name="position">0</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <object class="GtkLabel" id="label24">
+                                <property name="visible">True</property>
+                                <property name="xalign">0</property>
+                                <property name="label" translatable="yes">_Clear saved sessions</property>
+                                <property name="use_underline">True</property>
+                              </object>
+                              <packing>
+                                <property name="position">1</property>
+                              </packing>
+                            </child>
+                          </object>
+                        </child>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="pack_type">end</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                    <child>
                       <object class="GtkButton" id="btn_quit_client">
                         <property name="visible">True</property>
                         <property name="sensitive">False</property>
-- 
1.7.4.1