[hw] rename haxework package to hw

src/main/hw/view/ViewUpdater.hx

@@ -0,0 +1,55 @@
+package hw.view;
+
+import flash.events.Event;
+import flash.display.Stage;
+
+class ViewUpdater {
+    public var stage(null, set):Stage;
+    private var updateViews:Array<IView<Dynamic>>;
+    private var redrawViews:Array<IView<Dynamic>>;
+
+    public function new() {
+        updateViews = [];
+        redrawViews = [];
+    }
+
+    private function set_stage(value:Stage):Stage {
+        value.addEventListener(Event.ENTER_FRAME, onEnterFrame);
+        return value;
+    }
+
+    public function toUpdate(view:IView<Dynamic>):Void {
+        if (updateViews.indexOf(view) == -1) updateViews.push(view);
+    }
+
+    public function toRedraw(view:IView<Dynamic>):Void {
+        if (redrawViews.indexOf(view) == -1) redrawViews.push(view);
+    }
+
+    private function onEnterFrame(_):Void {
+        update();
+        redraw();
+        if (updateViews.length > 0) {
+            update();
+            redraw();
+        }
+    }
+
+    public function isUpdate(view:IView<Dynamic>):Bool {
+        return updateViews.indexOf(view) > -1;
+    }
+
+    public function update():Void {
+        while (updateViews.length > 0) {
+            var v = updateViews.shift();
+            v.update();
+        }
+    }
+
+    public function redraw():Void {
+        while (redrawViews.length > 0) {
+            var v = redrawViews.shift();
+            v.redraw();
+        }
+    }
+}