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[fillmore] / src / marina / ClassFactory.vala

diff --git a/src/marina/ClassFactory.vala b/src/marina/ClassFactory.vala
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+/* Copyright 2009-2010 Yorba Foundation
+ *
+ * This software is licensed under the GNU Lesser General Public License
+ * (version 2.1 or later).  See the COPYING file in this distribution. 
+ */
+
+public interface TrackView : Gtk.Widget {
+    public signal void clip_view_added(ClipView clip_view);
+    public abstract void move_to_top(ClipView clip_view);
+    public abstract void resize();
+    public abstract Model.Track get_track();
+    public abstract int get_track_height();
+    public abstract Gtk.Widget? find_child(double x, double y);
+    public abstract void select_all();
+}
+
+public class ClassFactory {
+    static ClassFactory class_factory = null;
+    static TransportDelegate transport_delegate = null;
+
+    public static ClassFactory get_class_factory() {
+        return class_factory;
+    }
+
+    public virtual TrackView get_track_view(Model.Track track, TimeLine timeline) {
+        assert(transport_delegate != null);
+        return new TrackViewConcrete(transport_delegate, track, timeline);
+    }
+    
+    public static void set_class_factory(ClassFactory class_factory) {
+        ClassFactory.class_factory = class_factory;
+    }
+
+    public static void set_transport_delegate(TransportDelegate transport_delegate) {
+        ClassFactory.transport_delegate = transport_delegate;
+    }
+}