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/* 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 event handling mechanism.
// This makes sure the 'domnode' protocol actor type is known when importing
// highlighter.
require("devtools/server/actors/inspector");
const {HighlighterEnvironment} = require("devtools/server/actors/highlighters");
const {
CanvasFrameAnonymousContentHelper
} = require("devtools/server/actors/highlighters/utils/markup");
const TEST_URL = "data:text/html;charset=utf-8,CanvasFrameAnonymousContentHelper test";
add_task(function* () {
let browser = yield addTab(TEST_URL);
let doc = browser.contentDocument;
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";
root.appendChild(child);
return root;
};
info("Building the helper");
let env = new HighlighterEnvironment();
env.initFromWindow(doc.defaultView);
let helper = new CanvasFrameAnonymousContentHelper(env, nodeBuilder);
let el = helper.getElement("child-element");
info("Adding an event listener on the inserted element");
let mouseDownHandled = 0;
function onMouseDown(e, id) {
is(id, "child-element", "The mousedown event was triggered on the element");
ok(!e.originalTarget, "The originalTarget property isn't available");
mouseDownHandled++;
}
el.addEventListener("mousedown", onMouseDown);
info("Synthesizing an event on the inserted element");
let onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(100, 100, doc.defaultView);
yield onDocMouseDown;
is(mouseDownHandled, 1, "The mousedown event was handled once on the element");
info("Synthesizing an event somewhere else");
onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(400, 400, doc.defaultView);
yield onDocMouseDown;
is(mouseDownHandled, 1, "The mousedown event was not handled on the element");
info("Removing the event listener");
el.removeEventListener("mousedown", onMouseDown);
info("Synthesizing another event after the listener has been removed");
// Using a document event listener to know when the event has been synthesized.
onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(100, 100, doc.defaultView);
yield onDocMouseDown;
is(mouseDownHandled, 1,
"The mousedown event hasn't been handled after the listener was removed");
info("Adding again the event listener");
el.addEventListener("mousedown", onMouseDown);
info("Destroying the helper");
env.destroy();
helper.destroy();
info("Synthesizing another event after the helper has been destroyed");
// Using a document event listener to know when the event has been synthesized.
onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(100, 100, doc.defaultView);
yield onDocMouseDown;
is(mouseDownHandled, 1,
"The mousedown event hasn't been handled after the helper was destroyed");
gBrowser.removeCurrentTab();
});
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.
let forceReflow = win.document.documentElement.offsetWidth;
EventUtils.synthesizeMouseAtPoint(x, y, {type: "mousedown"}, win);
}
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