Generate constants for IDL classes

client/dom/generated/src/frog/Event.dart

Index: client/dom/generated/src/frog/Event.dart
diff --git a/client/dom/generated/src/frog/Event.dart b/client/dom/generated/src/frog/Event.dart
index e05d054c7a3b9d09ee541496c9108f4b3db1a2ab..c96a9568148402f1d4c926b6216d86a4f6b46b92 100644
--- a/client/dom/generated/src/frog/Event.dart
+++ b/client/dom/generated/src/frog/Event.dart
@@ -1,6 +1,44 @@
 
 class Event native "*Event" {
 
+  static final int AT_TARGET = 2;
+
+  static final int BLUR = 8192;
+
+  static final int BUBBLING_PHASE = 3;
+
+  static final int CAPTURING_PHASE = 1;
+
+  static final int CHANGE = 32768;
+
+  static final int CLICK = 64;
+
+  static final int DBLCLICK = 128;
+
+  static final int DRAGDROP = 2048;
+
+  static final int FOCUS = 4096;
+
+  static final int KEYDOWN = 256;
+
+  static final int KEYPRESS = 1024;
+
+  static final int KEYUP = 512;
+
+  static final int MOUSEDOWN = 1;
+
+  static final int MOUSEDRAG = 32;
+
+  static final int MOUSEMOVE = 16;
+
+  static final int MOUSEOUT = 8;
+
+  static final int MOUSEOVER = 4;
+
+  static final int MOUSEUP = 2;
+
+  static final int SELECT = 16384;
+
   bool bubbles;
 
   bool cancelBubble;