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86 lines
2.7 KiB
JavaScript
86 lines
2.7 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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const STACK_THICKNESS = 15;
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function init(callback) {
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let iframe = gBrowser.ownerDocument.createElement("iframe");
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iframe.addEventListener("load", function onLoad() {
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iframe.removeEventListener("load", onLoad, true);
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callback(iframe);
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gBrowser.parentNode.removeChild(iframe);
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finish();
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}, true);
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iframe.setAttribute("src", ["data:text/html,",
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"<!DOCTYPE html>",
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"<html>",
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"<body style='margin: 0;'>",
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"<div>",
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"<p>Foo</p>",
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"<div>",
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"<span>Bar</span>",
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"</div>",
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"<div></div>",
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"</div>",
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"</body>",
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"</html>"
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].join(""));
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gBrowser.parentNode.appendChild(iframe);
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}
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function nodeCallback(aContentWindow, aNode, aParentPosition) {
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let coord = TiltUtils.DOM.getNodePosition(aContentWindow, aNode, aParentPosition);
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if (aNode.localName != "div")
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coord.thickness = 0;
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if (aNode.localName == "span")
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coord.depth += STACK_THICKNESS;
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return coord;
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}
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function test() {
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waitForExplicitFinish();
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ok(TiltUtils, "The TiltUtils object doesn't exist.");
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let dom = TiltUtils.DOM;
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ok(dom, "The TiltUtils.DOM wasn't found.");
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init(function(iframe) {
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let store = dom.traverse(iframe.contentWindow, {
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nodeCallback: nodeCallback
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});
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let expected = [
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{ name: "html", depth: 0 * STACK_THICKNESS, thickness: 0 },
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{ name: "head", depth: 0 * STACK_THICKNESS, thickness: 0 },
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{ name: "body", depth: 0 * STACK_THICKNESS, thickness: 0 },
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{ name: "div", depth: 0 * STACK_THICKNESS, thickness: STACK_THICKNESS },
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{ name: "p", depth: 1 * STACK_THICKNESS, thickness: 0 },
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{ name: "div", depth: 1 * STACK_THICKNESS, thickness: STACK_THICKNESS },
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{ name: "div", depth: 1 * STACK_THICKNESS, thickness: STACK_THICKNESS },
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{ name: "span", depth: 3 * STACK_THICKNESS, thickness: 0 },
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];
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is(store.nodes.length, expected.length,
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"The traverse() function didn't walk the correct number of nodes.");
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is(store.info.length, expected.length,
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"The traverse() function didn't examine the correct number of nodes.");
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for (let i = 0; i < expected.length; i++) {
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is(store.info[i].name, expected[i].name,
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"traversed node " + (i + 1) + " isn't the expected one.");
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is(store.info[i].coord.depth, expected[i].depth,
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"traversed node " + (i + 1) + " doesn't have the expected depth.");
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is(store.info[i].coord.thickness, expected[i].thickness,
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"traversed node " + (i + 1) + " doesn't have the expected thickness.");
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}
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});
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}
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