2 files changed, 98 insertions, 0 deletions
diff --git a/src/themes/theme.vala b/src/themes/theme.vala
index a7dd4f8..98e8994 100644
--- a/src/themes/theme.vala
+++ b/src/themes/theme.vala
@@ -115,6 +115,42 @@ public class Theme : GLib.Object {
         return true;
     }
 
+
+    /////////////////////////////////////////////////////////////////////
+    /// Exports the theme directory to an importable archive.
+    /////////////////////////////////////////////////////////////////////
+
+    public void export(string file) {
+
+        var archive = new ArchiveWriter();
+        bool success = true;
+
+        if (!archive.open(file)) {
+            warning("Cannot open file " + file + " for writing!");
+            success = false;
+        } else if (!archive.add(this.directory)) {
+            warning("Cannot append directory " + this.directory + " to archive!");
+            success = false;
+        }
+
+        archive.close();
+
+        if (success) {
+            var message = _("Successfully exported the theme \"%s\"!").printf(this.name);
+            var dialog = new Gtk.MessageDialog(null, Gtk.DialogFlags.MODAL,
+                                               Gtk.MessageType.INFO, Gtk.ButtonsType.CLOSE, message);
+            dialog.run();
+            dialog.destroy();
+
+        } else {
+            var message = _("An error occured while exporting the theme \"%s\"! Please check the console output.").printf(this.name);
+            var dialog = new Gtk.MessageDialog(null, Gtk.DialogFlags.MODAL,
+                                               Gtk.MessageType.ERROR, Gtk.ButtonsType.CLOSE, message);
+            dialog.run();
+            dialog.destroy();
+        }
+    }
+
     /////////////////////////////////////////////////////////////////////
     /// Loads all images of the theme.
     /////////////////////////////////////////////////////////////////////
diff --git a/src/themes/themeImporter.vala b/src/themes/themeImporter.vala
new file mode 100644
index 0000000..f110696
--- /dev/null
+++ b/src/themes/themeImporter.vala
@@ -0,0 +1,62 @@
+/////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2011-2015 by Simon Schneegans
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or (at
+// your option) any later version.
+//
+// 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/>.
+/////////////////////////////////////////////////////////////////////////
+
+namespace GnomePie {
+
+/////////////////////////////////////////////////////////////////////////
+/// This class provides functions to check whether an archive contains a
+/// valid Gnome-Pie theme.
+/////////////////////////////////////////////////////////////////////////
+
+public class ThemeImporter : ArchiveReader {
+
+    public bool     is_valid_theme;
+    public string   theme_name;
+
+    /////////////////////////////////////////////////////////////////////
+    /// Returns
+    /////////////////////////////////////////////////////////////////////
+
+    public new bool open(string path) {
+
+        this.is_valid_theme = false;
+        this.theme_name = "";
+
+        var tmp_reader = new ArchiveReader();
+
+        if (tmp_reader.open(path)) {
+            try {
+                var tmp_dir = GLib.DirUtils.make_tmp("gnomepieXXXXXX");
+                if (tmp_reader.extract_to(tmp_dir)) {
+                    var tmp_theme = new Theme(tmp_dir);
+                    if (tmp_theme.load()) {
+                        is_valid_theme = true;
+                        theme_name = tmp_theme.name;
+                    }
+                }
+            } catch (Error e) {
+                warning(e.message);
+            }
+        }
+
+        tmp_reader.close();
+
+        return base.open(path);
+    }
+}
+
+}