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100 lines
3.2 KiB
JavaScript
100 lines
3.2 KiB
JavaScript
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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/* 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 support for event propagation stop in the
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// 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 doc = yield addTab(TEST_URL);
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let nodeBuilder = () => {
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let root = doc.createElement("div");
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let parent = doc.createElement("div");
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parent.style = "pointer-events:auto;width:300px;height:300px;background:yellow;";
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parent.id = "parent-element";
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root.appendChild(parent);
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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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parent.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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info("Getting the parent and child elements");
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let parentEl = helper.getElement("parent-element");
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let childEl = helper.getElement("child-element");
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info("Adding an event listener on both elements");
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let mouseDownHandled = [];
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function onParentMouseDown(e, id) {
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mouseDownHandled.push(id);
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}
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parentEl.addEventListener("mousedown", onParentMouseDown);
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function onChildMouseDown(e, id) {
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mouseDownHandled.push(id);
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e.stopPropagation();
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}
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childEl.addEventListener("mousedown", onChildMouseDown);
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info("Synthesizing an event on the child 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.length, 1, "The mousedown event was handled only once");
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is(mouseDownHandled[0], "child-element",
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"The mousedown event was handled on the child element");
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info("Synthesizing an event on the parent, outside of the child element");
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mouseDownHandled = [];
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onDocMouseDown = once(doc, "mousedown");
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synthesizeMouseDown(250, 250, doc.defaultView);
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yield onDocMouseDown;
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is(mouseDownHandled.length, 1, "The mousedown event was handled only once");
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is(mouseDownHandled[0], "parent-element",
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"The mousedown event was handled on the parent element");
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info("Removing the event listener");
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parentEl.removeEventListener("mousedown", onParentMouseDown);
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childEl.removeEventListener("mousedown", onChildMouseDown);
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env.destroy();
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helper.destroy();
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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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