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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
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258
dom/base/test/chrome/window_swapFrameLoaders.xul
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258
dom/base/test/chrome/window_swapFrameLoaders.xul
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<?xml version="1.0"?>
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<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
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<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1242644
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Test swapFrameLoaders with different frame types and remoteness
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-->
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<window title="Mozilla Bug 1242644"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SpawnTask.js"></script>
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<script type="application/javascript"><![CDATA[
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["SimpleTest", "SpecialPowers", "info", "is", "ok"].forEach(key => {
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window[key] = window.opener[key];
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})
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const { interfaces: Ci } = Components;
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const NS = {
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xul: "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
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html: "http://www.w3.org/1999/xhtml",
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}
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const TAG = {
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xul: "browser",
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html: "iframe", // mozbrowser
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}
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const SCENARIOS = [
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["xul", "xul"],
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["xul", "html"],
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["html", "xul"],
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["html", "html"],
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["xul", "xul", "remote"],
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["xul", "html", "remote"],
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["html", "xul", "remote"],
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["html", "html", "remote"],
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];
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const HEIGHTS = [
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200,
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400
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];
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function frameScript() {
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addEventListener("load", function onLoad() {
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sendAsyncMessage("test:load");
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}, true);
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}
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// Watch for loads in new frames
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window.messageManager.loadFrameScript(`data:,(${frameScript})();`, true);
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function once(target, eventName, useCapture = false) {
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info("Waiting for event: '" + eventName + "' on " + target + ".");
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return new Promise(resolve => {
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for (let [add, remove] of [
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["addEventListener", "removeEventListener"],
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["addMessageListener", "removeMessageListener"],
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]) {
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if ((add in target) && (remove in target)) {
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target[add](eventName, function onEvent(...aArgs) {
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info("Got event: '" + eventName + "' on " + target + ".");
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target[remove](eventName, onEvent, useCapture);
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resolve(aArgs);
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}, useCapture);
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break;
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}
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}
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});
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}
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function* addFrame(type, remote, height) {
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let frame = document.createElementNS(NS[type], TAG[type]);
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frame.setAttribute("remote", remote);
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if (remote && type == "xul") {
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frame.setAttribute("style", "-moz-binding: none;");
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}
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if (type == "html") {
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frame.setAttribute("mozbrowser", "true");
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frame.setAttribute("noisolation", "true");
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frame.setAttribute("allowfullscreen", "true");
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} else if (type == "xul") {
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frame.setAttribute("type", "content");
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}
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let src = `data:text/html,<!doctype html>` +
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`<body style="height:${height}px"/>`;
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frame.setAttribute("src", src);
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document.documentElement.appendChild(frame);
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let mm = frame.frameLoader.messageManager;
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yield once(mm, "test:load");
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return frame;
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}
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add_task(function*() {
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yield new Promise(resolve => {
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SpecialPowers.pushPrefEnv(
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{ "set": [["dom.mozBrowserFramesEnabled", true],
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["network.disable.ipc.security", true]] },
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resolve);
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});
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});
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add_task(function*() {
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for (let scenario of SCENARIOS) {
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let [ typeA, typeB, remote ] = scenario;
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remote = !!remote;
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let heightA = HEIGHTS[0];
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info(`Adding frame A, type ${typeA}, remote ${remote}, height ${heightA}`);
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let frameA = yield addFrame(typeA, remote, heightA);
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let heightB = HEIGHTS[1];
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info(`Adding frame B, type ${typeB}, remote ${remote}, height ${heightB}`);
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let frameB = yield addFrame(typeB, remote, heightB);
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let frameScriptFactory = function(name) {
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return `function() {
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addMessageListener("ping", function() {
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sendAsyncMessage("pong", "${name}");
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});
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addMessageListener("check-browser-api", function() {
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let exists = "api" in this;
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sendAsyncMessage("check-browser-api", {
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exists,
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running: exists && !this.api._shuttingDown,
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});
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});
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}`;
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}
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// Load frame script into each frame
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{
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let mmA = frameA.frameLoader.messageManager;
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let mmB = frameB.frameLoader.messageManager;
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mmA.loadFrameScript("data:,(" + frameScriptFactory("A") + ")()", false);
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mmB.loadFrameScript("data:,(" + frameScriptFactory("B") + ")()", false);
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}
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// Ping before swap
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{
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let mmA = frameA.frameLoader.messageManager;
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let mmB = frameB.frameLoader.messageManager;
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let inflightA = once(mmA, "pong");
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let inflightB = once(mmB, "pong");
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info("Ping message manager for frame A");
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mmA.sendAsyncMessage("ping");
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let [ { data: pongA } ] = yield inflightA;
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is(pongA, "A", "Frame A message manager gets reply A before swap");
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info("Ping message manager for frame B");
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mmB.sendAsyncMessage("ping");
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let [ { data: pongB } ] = yield inflightB;
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is(pongB, "B", "Frame B message manager gets reply B before swap");
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}
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// Check height before swap
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{
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if (frameA.getContentDimensions) {
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let { height } = yield frameA.getContentDimensions();
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is(height, heightA, "Frame A's content height is 200px before swap");
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}
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if (frameB.getContentDimensions) {
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let { height } = yield frameB.getContentDimensions();
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is(height, heightB, "Frame B's content height is 400px before swap");
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}
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}
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// Ping after swap using message managers acquired before
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{
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let mmA = frameA.frameLoader.messageManager;
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let mmB = frameB.frameLoader.messageManager;
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info("swapFrameLoaders");
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frameA.swapFrameLoaders(frameB);
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let inflightA = once(mmA, "pong");
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let inflightB = once(mmB, "pong");
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info("Ping message manager for frame A");
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mmA.sendAsyncMessage("ping");
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let [ { data: pongA } ] = yield inflightA;
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is(pongA, "B", "Frame A message manager acquired before swap gets reply B after swap");
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info("Ping message manager for frame B");
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mmB.sendAsyncMessage("ping");
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let [ { data: pongB } ] = yield inflightB;
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is(pongB, "A", "Frame B message manager acquired before swap gets reply A after swap");
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}
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// Check height after swap
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{
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if (frameA.getContentDimensions) {
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let { height } = yield frameA.getContentDimensions();
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is(height, heightB, "Frame A's content height is 400px after swap");
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}
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if (frameB.getContentDimensions) {
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let { height } = yield frameB.getContentDimensions();
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is(height, heightA, "Frame B's content height is 200px after swap");
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}
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}
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// Ping after swap using message managers acquired after
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{
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let mmA = frameA.frameLoader.messageManager;
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let mmB = frameB.frameLoader.messageManager;
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let inflightA = once(mmA, "pong");
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let inflightB = once(mmB, "pong");
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info("Ping message manager for frame A");
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mmA.sendAsyncMessage("ping");
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let [ { data: pongA } ] = yield inflightA;
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is(pongA, "B", "Frame A message manager acquired after swap gets reply B after swap");
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info("Ping message manager for frame B");
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mmB.sendAsyncMessage("ping");
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let [ { data: pongB } ] = yield inflightB;
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is(pongB, "A", "Frame B message manager acquired after swap gets reply A after swap");
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}
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// Verify browser API frame scripts destroyed if swapped out of browser frame
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if (frameA.hasAttribute("mozbrowser") != frameB.hasAttribute("mozbrowser")) {
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let mmA = frameA.frameLoader.messageManager;
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let mmB = frameB.frameLoader.messageManager;
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let inflightA = once(mmA, "check-browser-api");
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let inflightB = once(mmB, "check-browser-api");
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info("Check browser API for frame A");
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mmA.sendAsyncMessage("check-browser-api");
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let [ { data: apiA } ] = yield inflightA;
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if (frameA.hasAttribute("mozbrowser")) {
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ok(apiA.exists && apiA.running, "Frame A browser API exists and is running");
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} else {
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ok(apiA.exists && !apiA.running, "Frame A browser API did exist but is now destroyed");
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}
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info("Check browser API for frame B");
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mmB.sendAsyncMessage("check-browser-api");
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let [ { data: apiB } ] = yield inflightB;
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if (frameB.hasAttribute("mozbrowser")) {
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ok(apiB.exists && apiB.running, "Frame B browser API exists and is running");
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} else {
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ok(apiB.exists && !apiB.running, "Frame B browser API did exist but is now destroyed");
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}
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} else {
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info("Frames have matching mozbrowser state, skipping browser API destruction check");
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}
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frameA.remove();
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frameB.remove();
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}
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});
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]]></script>
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</window>
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