From 8e2d33d3a5d17531a36e629bcf4c0bc36cbf1cfe Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Sun, 2 Nov 2014 20:40:40 +0100
Subject: Imported Upstream version 14.04.10

---
 src/email-autocompleter.vala | 79 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/email-autocompleter.vala

(limited to 'src/email-autocompleter.vala')

diff --git a/src/email-autocompleter.vala b/src/email-autocompleter.vala
new file mode 100644
index 0000000..d11fb30
--- /dev/null
+++ b/src/email-autocompleter.vala
@@ -0,0 +1,79 @@
+/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
+ *
+ * Copyright (C) 2012 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+public class EmailAutocompleter
+{
+    private Gtk.Entry entry;
+    private string[] domains;
+    private string prevText = "";
+
+    private void entry_changed ()
+    {
+        if (entry.text.length < prevText.length)
+        {
+            /* Do nothing on erases of text */
+            prevText = entry.text;
+            return;
+        }
+
+        prevText = entry.text;
+
+        int first_at = entry.text.index_of ("@");
+        if (first_at != -1)
+        {
+            int second_at = entry.text.index_of ("@", first_at + 1);
+            if (second_at == -1)
+            {
+                /* We have exactly one @ */
+                string text_after_at = entry.text.slice (first_at + 1, entry.text.length);
+
+                /* Find first prefix match */
+                int match = -1;
+                for (int i = 0; match == -1 && i < domains.length; ++i)
+                {
+                    if (domains[i].has_prefix (text_after_at))
+                        match = i;
+                }
+
+                if (match != -1)
+                {
+                    /* Calculate the suffix part we need to add */
+                    var best_match = domains[match];
+                    var text_to_add = best_match.slice (text_after_at.length, best_match.length);
+                    if (text_to_add.length > 0)
+                    {
+                        entry.text = entry.text + text_to_add;
+                        /* TODO This is quite ugly/hacky :-/ */
+                        Timeout.add (0, () =>
+                        {
+                            entry.select_region (entry.text.length - text_to_add.length, entry.text.length);
+                            return false;
+                        });
+                    }
+                }
+            }
+        }
+    }
+
+    public EmailAutocompleter (Gtk.Entry e, string[] email_domains)
+    {
+        entry = e;
+        domains = email_domains;
+        entry.changed.connect (entry_changed);
+    }
+}
-- 
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