michael@0: /* globals Components: true, Promise: true, gBrowser: true, Test: true,
michael@0:            info: true, is: true, window: true, waitForExplicitFinish: true,
michael@0:            finish: true, ok: true*/
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: const { interfaces: Ci, classes: Cc, utils: Cu } = Components;
michael@0: const { addObserver, removeObserver } = Cc["@mozilla.org/observer-service;1"].
michael@0:                                           getService(Ci.nsIObserverService);
michael@0: const { openWindow } = Cc["@mozilla.org/embedcomp/window-watcher;1"].
michael@0:                          getService(Ci.nsIWindowWatcher);
michael@0: 
michael@0: const Test = routine => () => {
michael@0:   waitForExplicitFinish();
michael@0:   Task.spawn(routine)
michael@0:       .then(finish, error => {
michael@0:         ok(false, error);
michael@0:         finish();
michael@0:       });
michael@0: };
michael@0: 
michael@0: // Returns promise for the observer notification subject for
michael@0: // the given topic. If `receive("foo")` is called `n` times
michael@0: // nth promise is resolved on an `nth` "foo" notification.
michael@0: const receive = (topic, p, syncCallback) => {
michael@0:   const { promise, resolve, reject } = Promise.defer();
michael@0:   const { queue } = receive;
michael@0:   const timeout = () => {
michael@0:     queue.splice(queue.indexOf(resolve) - 1, 2);
michael@0:     reject(new Error("Timeout"));
michael@0:   };
michael@0: 
michael@0:   const observer = {
michael@0:     observe: subject => {
michael@0:       // Browser loads bunch of other documents that we don't care
michael@0:       // about so we let allow filtering notifications via `p` function.
michael@0:       if (p && !p(subject)) return;
michael@0:       // If observer is a first one with a given `topic`
michael@0:       // in a queue resolve promise and take it off the queue
michael@0:       // otherwise keep waiting.
michael@0:       const index = queue.indexOf(topic);
michael@0:       if (queue.indexOf(resolve) === index + 1) {
michael@0:         removeObserver(observer, topic);
michael@0:         clearTimeout(id, reject);
michael@0:         queue.splice(index, 2);
michael@0:         // Some tests need to be executed synchronously when the event is fired.
michael@0:         if (syncCallback) {
michael@0:           syncCallback(subject);
michael@0:         }
michael@0:         resolve(subject);
michael@0:       }
michael@0:     }
michael@0:   };
michael@0:   const id = setTimeout(timeout, 90000);
michael@0:   addObserver(observer, topic, false);
michael@0:   queue.push(topic, resolve);
michael@0: 
michael@0:   return promise;
michael@0: };
michael@0: receive.queue = [];
michael@0: 
michael@0: const openTab = uri => gBrowser.selectedTab = gBrowser.addTab(uri);
michael@0: 
michael@0: const sleep = ms => {
michael@0:   const { promise, resolve } = Promise.defer();
michael@0:   setTimeout(resolve, ms);
michael@0:   return promise;
michael@0: };
michael@0: 
michael@0: const isData = document => document.URL.startsWith("data:");
michael@0: 
michael@0: const uri1 = "data:text/html;charset=utf-8,<h1>1</h1>";
michael@0: // For whatever reason going back on load event doesn't work so timeout it is :(
michael@0: const uri2 = "data:text/html;charset=utf-8,<h1>2</h1><script>setTimeout(back,100)</script>";
michael@0: const uri3 = "data:text/html;charset=utf-8,<h1>3</h1>";
michael@0: 
michael@0: const uri4 = "chrome://browser/content/license.html";
michael@0: 
michael@0: const test = Test(function*() {
michael@0:   let documentInteractive = receive("content-document-interactive", isData, d => {
michael@0:     // This test is executed synchronously when the event is received.
michael@0:     is(d.readyState, "interactive", "document is interactive");
michael@0:     is(d.URL, uri1, "document.URL matches tab url");
michael@0:   });
michael@0:   let documentLoaded = receive("content-document-loaded", isData);
michael@0:   let pageShown = receive("content-page-shown", isData);
michael@0: 
michael@0:   info("open: uri#1");
michael@0:   const tab1 = openTab(uri1);
michael@0:   const browser1 = gBrowser.getBrowserForTab(tab1);
michael@0: 
michael@0:   let interactiveDocument1 = yield documentInteractive;
michael@0: 
michael@0:   let loadedDocument1 = yield documentLoaded;
michael@0:   is(loadedDocument1.readyState, "complete", "document is loaded");
michael@0:   is(interactiveDocument1, loadedDocument1, "interactive document is loaded");
michael@0: 
michael@0:   let shownPage = yield pageShown;
michael@0:   is(interactiveDocument1, shownPage, "loaded document is shown");
michael@0: 
michael@0:   // Wait until history entry is created before loading new uri.
michael@0:   yield receive("sessionstore-state-write-complete");
michael@0: 
michael@0:   info("load uri#2");
michael@0: 
michael@0:   documentInteractive = receive("content-document-interactive", isData, d => {
michael@0:     // This test is executed synchronously when the event is received.
michael@0:     is(d.readyState, "interactive", "document is interactive");
michael@0:     is(d.URL, uri2, "document.URL matches URL loaded");
michael@0:   });
michael@0:   documentLoaded = receive("content-document-loaded", isData);
michael@0:   pageShown = receive("content-page-shown", isData);
michael@0:   let pageHidden = receive("content-page-hidden", isData);
michael@0: 
michael@0:   browser1.loadURI(uri2);
michael@0: 
michael@0:   let hiddenPage = yield pageHidden;
michael@0:   is(interactiveDocument1, hiddenPage, "loaded document is hidden");
michael@0: 
michael@0:   let interactiveDocument2 = yield documentInteractive;
michael@0: 
michael@0:   let loadedDocument2 = yield documentLoaded;
michael@0:   is(loadedDocument2.readyState, "complete", "document is loaded");
michael@0:   is(interactiveDocument2, loadedDocument2, "interactive document is loaded");
michael@0: 
michael@0:   shownPage = yield pageShown;
michael@0:   is(interactiveDocument2, shownPage, "loaded document is shown");
michael@0: 
michael@0:   info("go back to uri#1");
michael@0: 
michael@0: 
michael@0:   documentInteractive = receive("content-document-interactive", isData, d => {
michael@0:     // This test is executed synchronously when the event is received.
michael@0:     is(d.readyState, "interactive", "document is interactive");
michael@0:     is(d.URL, uri3, "document.URL matches URL loaded");
michael@0:   });
michael@0:   documentLoaded = receive("content-document-loaded", isData);
michael@0:   pageShown = receive("content-page-shown", isData);
michael@0:   pageHidden = receive("content-page-hidden", isData);
michael@0: 
michael@0:   hiddenPage = yield pageHidden;
michael@0:   is(interactiveDocument2, hiddenPage, "new document is hidden");
michael@0: 
michael@0:   shownPage = yield pageShown;
michael@0:   is(interactiveDocument1, shownPage, "previous document is shown");
michael@0: 
michael@0:   info("load uri#3");
michael@0: 
michael@0:   browser1.loadURI(uri3);
michael@0: 
michael@0:   pageShown = receive("content-page-shown", isData);
michael@0: 
michael@0:   let interactiveDocument3 = yield documentInteractive;
michael@0: 
michael@0:   let loadedDocument3 = yield documentLoaded;
michael@0:   is(loadedDocument3.readyState, "complete", "document is loaded");
michael@0:   is(interactiveDocument3, loadedDocument3, "interactive document is loaded");
michael@0: 
michael@0:   shownPage = yield pageShown;
michael@0:   is(interactiveDocument3, shownPage, "previous document is shown");
michael@0: 
michael@0:   gBrowser.removeTab(tab1);
michael@0: 
michael@0:   info("load chrome uri");
michael@0: 
michael@0:   const tab2 = openTab(uri4);
michael@0:   documentInteractive = receive("chrome-document-interactive", null, d => {
michael@0:     // This test is executed synchronously when the event is received.
michael@0:     is(d.readyState, "interactive", "document is interactive");
michael@0:     is(d.URL, uri4, "document.URL matches URL loaded");
michael@0:   });
michael@0:   documentLoaded = receive("chrome-document-loaded");
michael@0:   pageShown = receive("chrome-page-shown");
michael@0: 
michael@0:   const interactiveDocument4 = yield documentInteractive;
michael@0: 
michael@0:   let loadedDocument4 = yield documentLoaded;
michael@0:   is(loadedDocument4.readyState, "complete", "document is loaded");
michael@0:   is(interactiveDocument4, loadedDocument4, "interactive document is loaded");
michael@0: 
michael@0:   shownPage = yield pageShown;
michael@0:   is(interactiveDocument4, shownPage, "loaded chrome document is shown");
michael@0: 
michael@0:   pageHidden = receive("chrome-page-hidden");
michael@0:   gBrowser.removeTab(tab2);
michael@0: 
michael@0:   hiddenPage = yield pageHidden;
michael@0:   is(interactiveDocument4, hiddenPage, "chrome document hidden");
michael@0: });