upgrade dojo to 1.8.3 (refs #570)

lib/dijit/Viewport.js.uncompressed.js

@@ -0,0 +1,50 @@
+define("dijit/Viewport", [
+	"dojo/Evented",
+	"dojo/on",
+	"dojo/ready",
+	"dojo/sniff",
+	"dojo/_base/window", // global
+	"dojo/window" // getBox()
+], function(Evented, on, ready, has, win, winUtils){
+
+	// module:
+	//		dijit/Viewport
+
+	/*=====
+	return {
+		// summary:
+		//		Utility singleton to watch for viewport resizes, avoiding duplicate notifications
+		//		which can lead to infinite loops.
+		// description:
+		//		Usage: Viewport.on("resize", myCallback).
+		//
+		//		myCallback() is called without arguments in case it's _WidgetBase.resize(),
+		//		which would interpret the argument as the size to make the widget.
+	};
+	=====*/
+
+	var Viewport = new Evented();
+
+	ready(200, function(){
+		var oldBox = winUtils.getBox();
+		Viewport._rlh = on(win.global, "resize", function(){
+			var newBox = winUtils.getBox();
+			if(oldBox.h == newBox.h && oldBox.w == newBox.w){ return; }
+			oldBox = newBox;
+			Viewport.emit("resize");
+		});
+
+		// Also catch zoom changes on IE8, since they don't naturally generate resize events
+		if(has("ie") == 8){
+			var deviceXDPI = screen.deviceXDPI;
+			setInterval(function(){
+				if(screen.deviceXDPI != deviceXDPI){
+					deviceXDPI = screen.deviceXDPI;
+					Viewport.emit("resize");
+				}
+			}, 500);
+		}
+	});
+
+	return Viewport;
+});