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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 some edge cases of 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 parent = doc.createElement("div");
parent.style = "pointer-events:auto;width:300px;height:300px;background:yellow;";
parent.id = "parent-element";
root.appendChild(parent);
let child = doc.createElement("div");
child.style = "pointer-events:auto;width:200px;height:200px;background:red;";
child.id = "child-element";
parent.appendChild(child);
return root;
};
info("Building the helper");
let env = new HighlighterEnvironment();
env.initFromWindow(doc.defaultView);
let helper = new CanvasFrameAnonymousContentHelper(env, nodeBuilder);
info("Getting the parent and child elements");
let parentEl = helper.getElement("parent-element");
let childEl = helper.getElement("child-element");
info("Adding an event listener on both elements");
let mouseDownHandled = [];
function onMouseDown(e, id) {
mouseDownHandled.push(id);
}
parentEl.addEventListener("mousedown", onMouseDown);
childEl.addEventListener("mousedown", onMouseDown);
info("Synthesizing an event on the child element");
let onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(100, 100, doc.defaultView);
yield onDocMouseDown;
is(mouseDownHandled.length, 2, "The mousedown event was handled twice");
is(mouseDownHandled[0], "child-element",
"The mousedown event was handled on the child element");
is(mouseDownHandled[1], "parent-element",
"The mousedown event was handled on the parent element");
info("Synthesizing an event on the parent, outside of the child element");
mouseDownHandled = [];
onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(250, 250, doc.defaultView);
yield onDocMouseDown;
is(mouseDownHandled.length, 1, "The mousedown event was handled only once");
is(mouseDownHandled[0], "parent-element",
"The mousedown event was handled on the parent element");
info("Removing the event listener");
parentEl.removeEventListener("mousedown", onMouseDown);
childEl.removeEventListener("mousedown", onMouseDown);
info("Adding an event listener on the parent element only");
mouseDownHandled = [];
parentEl.addEventListener("mousedown", onMouseDown);
info("Synthesizing an event on the child element");
onDocMouseDown = once(doc, "mousedown");
synthesizeMouseDown(100, 100, doc.defaultView);
yield onDocMouseDown;
is(mouseDownHandled.length, 1, "The mousedown event was handled once");
is(mouseDownHandled[0], "parent-element",
"The mousedown event did bubble to the parent element");
info("Removing the parent listener");
parentEl.removeEventListener("mousedown", onMouseDown);
env.destroy();
helper.destroy();
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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