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<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1242644
Test swapFrameLoaders with different frame types and remoteness
-->
<window title="Mozilla Bug 1242644"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script type="application/javascript"><![CDATA[
["SimpleTest", "SpecialPowers", "info", "is", "ok", "add_task"].forEach(key => {
window[key] = window.arguments[0][key];
})
const NS = {
xul: "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
html: "http://www.w3.org/1999/xhtml",
}
const TAG = {
xul: "browser",
html: "iframe", // mozbrowser
}
const SCENARIOS = [
["xul", "xul"],
["xul", "html"],
["html", "xul"],
["html", "html"],
["xul", "xul", { remote: true }],
["xul", "html", { remote: true }],
["html", "xul", { remote: true }],
["html", "html", { remote: true }],
["xul", "html", { userContextId: 2 }],
["xul", "html", { userContextId: 2, remote: true }],
];
const HEIGHTS = [
200,
400
];
function frameScript() {
/* eslint-env mozilla/frame-script */
addEventListener("load", function onLoad() {
sendAsyncMessage("test:load");
}, true);
}
// Watch for loads in new frames
window.messageManager.loadFrameScript(`data:,(${frameScript})();`, true);
function once(target, eventName, useCapture = false) {
info("Waiting for event: '" + eventName + "' on " + target + ".");
return new Promise(resolve => {
for (let [add, remove] of [
["addEventListener", "removeEventListener"],
["addMessageListener", "removeMessageListener"],
]) {
if ((add in target) && (remove in target)) {
target[add](eventName, function onEvent(...aArgs) {
info("Got event: '" + eventName + "' on " + target + ".");
target[remove](eventName, onEvent, useCapture);
resolve(aArgs);
}, useCapture);
break;
}
}
});
}
async function addFrame(type, options, height) {
let remote = options && options.remote;
let userContextId = options && options.userContextId;
let frame = document.createElementNS(NS[type], TAG[type]);
frame.setAttribute("remote", remote);
if (remote && type == "xul") {
frame.setAttribute("style", "-moz-binding: none;");
}
if (userContextId) {
frame.setAttribute("usercontextid", userContextId);
}
if (type == "html") {
frame.setAttribute("mozbrowser", "true");
frame.setAttribute("noisolation", "true");
frame.setAttribute("allowfullscreen", "true");
} else if (type == "xul") {
frame.setAttribute("type", "content");
}
let src = `data:text/html,<!doctype html>` +
`<body style="height:${height}px"/>`;
frame.setAttribute("src", src);
document.documentElement.appendChild(frame);
let mm = frame.frameLoader.messageManager;
await once(mm, "test:load");
return frame;
}
add_task(async function() {
for (let scenario of SCENARIOS) {
let [ typeA, typeB, options ] = scenario;
let heightA = HEIGHTS[0];
info(`Adding frame A, type ${typeA}, options ${JSON.stringify(options)}, height ${heightA}`);
let frameA = await addFrame(typeA, options, heightA);
let heightB = HEIGHTS[1];
info(`Adding frame B, type ${typeB}, options ${JSON.stringify(options)}, height ${heightB}`);
let frameB = await addFrame(typeB, options, heightB);
let frameScriptFactory = function(name) {
/* eslint-env mozilla/frame-script */
return `function() {
addMessageListener("ping", function() {
sendAsyncMessage("pong", "${name}");
});
addMessageListener("check-browser-api", function() {
let exists = "api" in this;
sendAsyncMessage("check-browser-api", {
exists,
running: exists && !this.api._shuttingDown,
});
});
addEventListener("pagehide", function({ inFrameSwap }) {
sendAsyncMessage("pagehide", inFrameSwap);
}, {mozSystemGroup: true});
}`;
}
// Load frame script into each frame
{
let mmA = frameA.frameLoader.messageManager;
let mmB = frameB.frameLoader.messageManager;
mmA.loadFrameScript("data:,(" + frameScriptFactory("A") + ")()", false);
mmB.loadFrameScript("data:,(" + frameScriptFactory("B") + ")()", false);
}
// Ping before swap
{
let mmA = frameA.frameLoader.messageManager;
let mmB = frameB.frameLoader.messageManager;
let inflightA = once(mmA, "pong");
let inflightB = once(mmB, "pong");
info("Ping message manager for frame A");
mmA.sendAsyncMessage("ping");
let [ { data: pongA } ] = await inflightA;
is(pongA, "A", "Frame A message manager gets reply A before swap");
info("Ping message manager for frame B");
mmB.sendAsyncMessage("ping");
let [ { data: pongB } ] = await inflightB;
is(pongB, "B", "Frame B message manager gets reply B before swap");
}
// Ping after swap using message managers acquired before
{
let mmA = frameA.frameLoader.messageManager;
let mmB = frameB.frameLoader.messageManager;
let pagehideA = once(mmA, "pagehide");
let pagehideB = once(mmB, "pagehide");
info("swapFrameLoaders");
frameA.swapFrameLoaders(frameB);
let [ { data: inFrameSwapA } ] = await pagehideA;
ok(inFrameSwapA, "Frame A got pagehide with inFrameSwap: true");
let [ { data: inFrameSwapB } ] = await pagehideB;
ok(inFrameSwapB, "Frame B got pagehide with inFrameSwap: true");
let inflightA = once(mmA, "pong");
let inflightB = once(mmB, "pong");
info("Ping message manager for frame A");
mmA.sendAsyncMessage("ping");
let [ { data: pongA } ] = await inflightA;
is(pongA, "B", "Frame A message manager acquired before swap gets reply B after swap");
info("Ping message manager for frame B");
mmB.sendAsyncMessage("ping");
let [ { data: pongB } ] = await inflightB;
is(pongB, "A", "Frame B message manager acquired before swap gets reply A after swap");
}
// Check height after swap
{
if (frameA.getContentDimensions) {
let { height } = await frameA.getContentDimensions();
is(height, heightB, "Frame A's content height is 400px after swap");
}
if (frameB.getContentDimensions) {
let { height } = await frameB.getContentDimensions();
is(height, heightA, "Frame B's content height is 200px after swap");
}
}
// Ping after swap using message managers acquired after
{
let mmA = frameA.frameLoader.messageManager;
let mmB = frameB.frameLoader.messageManager;
let inflightA = once(mmA, "pong");
let inflightB = once(mmB, "pong");
info("Ping message manager for frame A");
mmA.sendAsyncMessage("ping");
let [ { data: pongA } ] = await inflightA;
is(pongA, "B", "Frame A message manager acquired after swap gets reply B after swap");
info("Ping message manager for frame B");
mmB.sendAsyncMessage("ping");
let [ { data: pongB } ] = await inflightB;
is(pongB, "A", "Frame B message manager acquired after swap gets reply A after swap");
}
frameA.remove();
frameB.remove();
}
});
]]></script>
</window>
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