[gedit-code-assistance] Write temporary files to ~/.cache

[Jesse van den Kieboom <jessevdk src gnome org>]

commit baec9fe57520aced51b47c17b0fceab86dec4858
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Nov 9 13:13:23 2013 +0100

    Write temporary files to ~/.cache
    
    This also makes sure that the directory is protected the first time.

 src/gca-document.vala |   33 ++++++++++++++++++++++++++++-----
 1 files changed, 28 insertions(+), 5 deletions(-)
---
diff --git a/src/gca-document.vala b/src/gca-document.vala
index 6eb6cce..8d934bf 100644
--- a/src/gca-document.vala
+++ b/src/gca-document.vala
@@ -37,6 +37,8 @@ public class Document : Object
        public signal void location_changed(File? previous_location);
        public signal void changed();
 
+       private static bool s_needs_tmp_chmod = true;
+
        public Gedit.Document document
        {
                get { return d_document; }
@@ -236,11 +238,32 @@ public class Document : Object
                        filename = "gca-unsaved-XXXXXX";
                }
 
-               FileIOStream stream;
-               File f;
+               var cdir = Environment.get_user_cache_dir();
+               var tmpdir = Path.build_filename(cdir, "gedit", "plugins", "codeassistance");
+               var f = File.new_for_path(tmpdir);
+
+               try
+               {
+                       f.make_directory_with_parents();
+               }
+               catch (IOError e)
+               {
+                       if (!(e is IOError.EXISTS))
+                       {
+                               throw e;
+                       }
+               }
+
+               if (s_needs_tmp_chmod)
+               {
+                       FileUtils.chmod(tmpdir, 0700);
+                       s_needs_tmp_chmod = false;
+               }
+
+               var tmpfilename = Path.build_filename(tmpdir, filename);
+               var tmpfile = FileUtils.mkstemp(tmpfilename);
 
-               f = File.new_tmp(filename, out stream);
-               var ostream = stream.output_stream;
+               var ostream = new UnixOutputStream(tmpfile, true);
 
                try
                {
@@ -262,7 +285,7 @@ public class Document : Object
                }
 
                ostream.close();
-               d_unsaved_file = f;
+               d_unsaved_file = File.new_for_path(tmpfilename);
 
                return d_unsaved_file.get_path();
        }