/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test the CanvasFrameAnonymousContentHelper re-inserts the content when the
// page reloads.
const TEST_URL_1 =
"data:text/html;charset=utf-8,CanvasFrameAnonymousContentHelper test 1";
const TEST_URL_2 =
"data:text/html;charset=utf-8,CanvasFrameAnonymousContentHelper test 2";
add_task(async function () {
let browser = await addTab(TEST_URL_1);
await injectEventUtilsInContentTask(browser);
await ContentTask.spawn(browser, TEST_URL_2, async function (url2) {
const {require} = ChromeUtils.import("resource://devtools/shared/Loader.jsm", {});
const {HighlighterEnvironment} = require("devtools/server/actors/highlighters");
const {
CanvasFrameAnonymousContentHelper
} = require("devtools/server/actors/highlighters/utils/markup");
let doc = content.document;
let nodeBuilder = () => {
let root = doc.createElement("div");
let child = doc.createElement("div");
child.style = "pointer-events:auto;width:200px;height:200px;background:red;";
child.id = "child-element";
child.className = "child-element";
child.textContent = "test content";
root.appendChild(child);
return root;
};
info("Building the helper");
let env = new HighlighterEnvironment();
env.initFromWindow(doc.defaultView);
let helper = new CanvasFrameAnonymousContentHelper(env, nodeBuilder);
info("Get an element from the helper");
let el = helper.getElement("child-element");
info("Try to access the element");
is(el.getAttribute("class"), "child-element",
"The attribute is correct before navigation");
is(el.getTextContent(), "test content",
"The text content is correct before navigation");
info("Add an event listener on the element");
let mouseDownHandled = 0;
let onMouseDown = (e, id) => {
is(id, "child-element", "The mousedown event was triggered on the element");
mouseDownHandled++;
};
el.addEventListener("mousedown", onMouseDown);
let once = function once(target, event) {
return new Promise(done => {
target.addEventListener(event, done, { once: true });
});
};
let synthesizeMouseDown = function synthesizeMouseDown(x, y, win) {
// We need to make sure the inserted anonymous content can be targeted by the
// event right after having been inserted, and so we need to force a sync
// reflow.
win.document.documentElement.offsetWidth;
EventUtils.synthesizeMouseAtPoint(x, y, {type: "mousedown"}, win);
};
info("Synthesizing an event on the element");
let onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(100, 100, doc.defaultView);
await onDocMouseDown;
is(mouseDownHandled, 1, "The mousedown event was handled once before navigation");
info("Navigating to a new page");
let loaded = once(this, "load");
content.location = url2;
await loaded;
// Wait for the next event tick to make sure the remaining part of the
// test is not executed in the microtask checkpoint for load event
// itself. Otherwise the synthesizeMouseDown doesn't work.
await new Promise(r => setTimeout(r, 0));
// Update to the new document we just loaded
doc = content.document;
info("Try to access the element again");
is(el.getAttribute("class"), "child-element",
"The attribute is correct after navigation");
is(el.getTextContent(), "test content",
"The text content is correct after navigation");
info("Synthesizing an event on the element again");
onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(100, 100, doc.defaultView);
await onDocMouseDown;
is(mouseDownHandled, 1, "The mousedown event was not handled after navigation");
info("Destroying the helper");
env.destroy();
helper.destroy();
});
gBrowser.removeCurrentTab();
});