fix core api bug

src/antos.coffee

@@ -21,4 +21,6 @@ _PM  = self.OS.PM
 _OS = self.OS
 _courrier = self.OS.courrier
 this.onload = () ->
+    ($ document).on 'webkitfullscreenchange mozfullscreenchange fullscreenchange MSFullscreenChange', ()->
+            _GUI.fullscreen = not _GUI.fullscreen
     self.OS.boot()

src/core/BaseModel.coffee

@@ -36,6 +36,7 @@ class BaseModel
         evt = new _GUI.BaseEvent("exit", force)
         @onexit(evt)
         if not evt.prevent
+            @observable.off "*"
             delete @.observable
             @dialog.quit() if @dialog
             _PM.kill @

src/core/core.coffee

@@ -34,7 +34,7 @@ self.OS or=
     courrier:
         observable: riot.observable()
         quota: 0
-        listeners: new Object
+        listeners: {}
         on: (e, f, a) ->
             _courrier.listeners[a.pid] = [] unless _courrier.listeners[a.pid]
             _courrier.listeners[a.pid].push { e: e, f: f }
@@ -111,6 +111,8 @@ self.OS or=
         console.log "Clean up system"
         _PM.killAll a, true for a, v of _PM.processes
         _courrier.observable.off("*") if _courrier.observable
+        $(window).off('keydown')
+        delete _courrier.observable
         ($ "#wrapper").empty()
         _GUI.clearTheme()
         _courrier.observable = riot.observable()
@@ -142,6 +144,7 @@ self.OS or=
     exit: ->
         #do clean up first
         f() for n, f of _OS.cleanupHandlers
+        _OS.cleanup()
         _API.handler.setting (r) ->
             _API.handler.logout()
     onexit: (n, f) ->

src/core/gui.coffee

@@ -244,8 +244,6 @@ self.OS.GUI =
             .css("background-repeat", wp.repeat)
 
     initDM: ->
-        ($ document).on 'webkitfullscreenchange mozfullscreenchange fullscreenchange MSFullscreenChange', ()->
-            _GUI.fullscreen = not _GUI.fullscreen
         # check login first
         _API.resource "schemes/dm.html", (x) ->
             return null unless x
@@ -400,7 +398,6 @@ self.OS.GUI =
         return new _GUI.BasicDialog conf.name, conf.layout
         
     login: () ->
-        _OS.cleanup()
         _API.resource "schemes/login.html", (x) ->
             return null unless x
             scheme = $.parseHTML x