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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const STACK_THICKNESS = 15;
function init(callback) {
let iframe = gBrowser.ownerDocument.createElement("iframe");
iframe.addEventListener("load", function onLoad() {
iframe.removeEventListener("load", onLoad, true);
callback(iframe);
gBrowser.parentNode.removeChild(iframe);
finish();
}, true);
iframe.setAttribute("src", ["data:text/html,",
"<!DOCTYPE html>",
"<html>",
"<body style='margin: 0;'>",
"<div>",
"<p>Foo</p>",
"<div>",
"<span>Bar</span>",
"</div>",
"<div></div>",
"</div>",
"</body>",
"</html>"
].join(""));
gBrowser.parentNode.appendChild(iframe);
}
function nodeCallback(aContentWindow, aNode, aParentPosition) {
let coord = TiltUtils.DOM.getNodePosition(aContentWindow, aNode, aParentPosition);
if (aNode.localName != "div")
coord.thickness = 0;
if (aNode.localName == "span")
coord.depth += STACK_THICKNESS;
return coord;
}
function test() {
waitForExplicitFinish();
ok(TiltUtils, "The TiltUtils object doesn't exist.");
let dom = TiltUtils.DOM;
ok(dom, "The TiltUtils.DOM wasn't found.");
init(function(iframe) {
let store = dom.traverse(iframe.contentWindow, {
nodeCallback: nodeCallback
});
let expected = [
{ name: "html", depth: 0 * STACK_THICKNESS, thickness: 0 },
{ name: "head", depth: 0 * STACK_THICKNESS, thickness: 0 },
{ name: "body", depth: 0 * STACK_THICKNESS, thickness: 0 },
{ name: "div", depth: 0 * STACK_THICKNESS, thickness: STACK_THICKNESS },
{ name: "p", depth: 1 * STACK_THICKNESS, thickness: 0 },
{ name: "div", depth: 1 * STACK_THICKNESS, thickness: STACK_THICKNESS },
{ name: "div", depth: 1 * STACK_THICKNESS, thickness: STACK_THICKNESS },
{ name: "span", depth: 3 * STACK_THICKNESS, thickness: 0 },
];
is(store.nodes.length, expected.length,
"The traverse() function didn't walk the correct number of nodes.");
is(store.info.length, expected.length,
"The traverse() function didn't examine the correct number of nodes.");
for (let i = 0; i < expected.length; i++) {
is(store.info[i].name, expected[i].name,
"traversed node " + (i + 1) + " isn't the expected one.");
is(store.info[i].coord.depth, expected[i].depth,
"traversed node " + (i + 1) + " doesn't have the expected depth.");
is(store.info[i].coord.thickness, expected[i].thickness,
"traversed node " + (i + 1) + " doesn't have the expected thickness.");
}
});
}
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