102 lines
3.4 KiB
JavaScript
102 lines
3.4 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Test the CanvasFrameAnonymousContentHelper event handling mechanism.
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// This makes sure the 'domnode' protocol actor type is known when importing
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// highlighter.
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require("devtools/server/actors/inspector");
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const {HighlighterEnvironment} = require("devtools/server/actors/highlighters");
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const {
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CanvasFrameAnonymousContentHelper
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} = require("devtools/server/actors/highlighters/utils/markup");
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const TEST_URL = "data:text/html;charset=utf-8,CanvasFrameAnonymousContentHelper test";
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add_task(function* () {
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let browser = yield addTab(TEST_URL);
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let doc = browser.contentDocument;
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let nodeBuilder = () => {
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let root = doc.createElement("div");
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let child = doc.createElement("div");
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child.style = "pointer-events:auto;width:200px;height:200px;background:red;";
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child.id = "child-element";
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child.className = "child-element";
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root.appendChild(child);
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return root;
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};
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info("Building the helper");
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let env = new HighlighterEnvironment();
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env.initFromWindow(doc.defaultView);
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let helper = new CanvasFrameAnonymousContentHelper(env, nodeBuilder);
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let el = helper.getElement("child-element");
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info("Adding an event listener on the inserted element");
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let mouseDownHandled = 0;
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function onMouseDown(e, id) {
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is(id, "child-element", "The mousedown event was triggered on the element");
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ok(!e.originalTarget, "The originalTarget property isn't available");
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mouseDownHandled++;
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}
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el.addEventListener("mousedown", onMouseDown);
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info("Synthesizing an event on the inserted element");
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let onDocMouseDown = once(doc, "mousedown");
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synthesizeMouseDown(100, 100, doc.defaultView);
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yield onDocMouseDown;
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is(mouseDownHandled, 1, "The mousedown event was handled once on the element");
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info("Synthesizing an event somewhere else");
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onDocMouseDown = once(doc, "mousedown");
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synthesizeMouseDown(400, 400, doc.defaultView);
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yield onDocMouseDown;
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is(mouseDownHandled, 1, "The mousedown event was not handled on the element");
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info("Removing the event listener");
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el.removeEventListener("mousedown", onMouseDown);
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info("Synthesizing another event after the listener has been removed");
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// Using a document event listener to know when the event has been synthesized.
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onDocMouseDown = once(doc, "mousedown");
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synthesizeMouseDown(100, 100, doc.defaultView);
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yield onDocMouseDown;
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is(mouseDownHandled, 1,
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"The mousedown event hasn't been handled after the listener was removed");
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info("Adding again the event listener");
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el.addEventListener("mousedown", onMouseDown);
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info("Destroying the helper");
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env.destroy();
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helper.destroy();
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info("Synthesizing another event after the helper has been destroyed");
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// Using a document event listener to know when the event has been synthesized.
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onDocMouseDown = once(doc, "mousedown");
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synthesizeMouseDown(100, 100, doc.defaultView);
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yield onDocMouseDown;
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is(mouseDownHandled, 1,
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"The mousedown event hasn't been handled after the helper was destroyed");
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gBrowser.removeCurrentTab();
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});
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function synthesizeMouseDown(x, y, win) {
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// We need to make sure the inserted anonymous content can be targeted by the
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// event right after having been inserted, and so we need to force a sync
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// reflow.
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let forceReflow = win.document.documentElement.offsetWidth;
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EventUtils.synthesizeMouseAtPoint(x, y, {type: "mousedown"}, win);
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}
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