Switch from frameScript to require("sdk/remote/...").

Fixes #98. Fixes #100.

lib/frame.js

@@ -0,0 +1,67 @@
+/* jslint moz: true */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+(function(){
+	"use strict";
+	const {process, frames} = require("sdk/remote/child");
+	const {intercept} = require("./intercept.js");
+	const {ask} = require("./askForPermission.js");
+	const {check: originalCheck, checkStack: originalCheckStack} = require("./check.js");
+	
+	// Variable to "unload" the script
+	var enabled = true;
+	
+	
+	
+	function check(message){
+		if (enabled){
+			return originalCheck(message);
+		}
+		else {
+			return {type: [], mode: "allow"};
+		}
+	}
+	function checkStack(stack){
+		if (enabled){
+			return originalCheckStack(stack);
+		}
+		else {
+			return true;
+		}
+	}
+	const _ = require("sdk/l10n").get;
+	function askWrapper(data){
+		return ask(data, {
+			_,
+			prefs
+		});
+	}
+	function notify(data){
+		process.port.emit("canvasBlocker-notify", data);
+	}
+	
+	const preferences = require("sdk/simple-prefs");
+	function prefs(name){
+		return preferences.prefs[name];
+	}
+	
+	frames.forEvery(function(frame){
+		frame.addEventListener("DOMWindowCreated", function(ev){
+			if (enabled){
+				var subject = ev.target.defaultView;
+				function notify(data){
+					frame.port.emit("canvasBlocker-notify", data);
+				}
+				intercept(
+					{subject},
+					{check, checkStack, ask: askWrapper, notify, prefs}
+				);
+			}
+		});
+	});
+
+	process.port.on("canvasBlocker-unload", function unload(){
+		enabled = false;
+	});
+}());