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Code Issues Projects Releases Wiki Activity

Fix #503

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This commit is contained in:
Niklas von Hertzen 2015-01-19 22:28:10 +02:00
parent db88784655
commit 399ae9f33d
5 changed files with 109 additions and 6 deletions
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22
dist/html2canvas.js vendored
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@ -690,10 +690,28 @@ function smallImage() {
return "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";
}
function isIE9() {
return document.documentMode && document.documentMode <= 9;
}
function cloneNodeIE9(node, javascriptEnabled) {
var clone = node.nodeType === 3 ? document.createTextNode(node.nodeValue) : node.cloneNode(false);
var child = node.firstChild;
while(child) {
if (javascriptEnabled === true || child.nodeType !== 1 || child.nodeName !== 'SCRIPT') {
clone.appendChild(cloneNodeIE9(child, javascriptEnabled));
}
child = child.nextSibling;
}
return clone;
}
function createWindowClone(ownerDocument, containerDocument, width, height, options, x ,y) {
labelCanvasElements(ownerDocument);
var documentElement = ownerDocument.documentElement.cloneNode(true),
container = containerDocument.createElement("iframe");
var documentElement = isIE9() ? cloneNodeIE9(ownerDocument.documentElement, options.javascriptEnabled) : ownerDocument.documentElement.cloneNode(true);
var container = containerDocument.createElement("iframe");
container.className = "html2canvas-container";
container.style.visibility = "hidden";

4
dist/html2canvas.min.js vendored
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File diff suppressed because one or more lines are too long

22
src/core.js
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@ -126,10 +126,28 @@ function smallImage() {
return "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";
}
function isIE9() {
return document.documentMode && document.documentMode <= 9;
}
function cloneNodeIE9(node, javascriptEnabled) {
var clone = node.nodeType === 3 ? document.createTextNode(node.nodeValue) : node.cloneNode(false);
var child = node.firstChild;
while(child) {
if (javascriptEnabled === true || child.nodeType !== 1 || child.nodeName !== 'SCRIPT') {
clone.appendChild(cloneNodeIE9(child, javascriptEnabled));
}
child = child.nextSibling;
}
return clone;
}
function createWindowClone(ownerDocument, containerDocument, width, height, options, x ,y) {
labelCanvasElements(ownerDocument);
var documentElement = ownerDocument.documentElement.cloneNode(true),
container = containerDocument.createElement("iframe");
var documentElement = isIE9() ? cloneNodeIE9(ownerDocument.documentElement, options.javascriptEnabled) : ownerDocument.documentElement.cloneNode(true);
var container = containerDocument.createElement("iframe");
container.className = "html2canvas-container";
container.style.visibility = "hidden";

1
tests/mocha/clone.js Normal file
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@ -0,0 +1 @@
document.querySelector("#block").className += "class";

66
tests/mocha/ie9-clonenode-bug.html Normal file
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@ -0,0 +1,66 @@
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>Proxy tests</title>
<link rel="stylesheet" href="lib/mocha.css" />
<script src="../assets/jquery-1.6.2.js"></script>
<script src="lib/expect.js"></script>
<script src="lib/mocha.js"></script>
<style>
#block {
background: red;
}
#block.class {
background: green;
}
</style>
</head>
<body>
<div style="width: 200px; height:200px;" id="block"></div>
<script src="../../dist/html2canvas.js"></script>
<script src="clone.js"></script>
<div id="mocha"></div>
<script>mocha.setup('bdd')</script>
<script>
// https://github.com/niklasvh/html2canvas/issues/503
describe("Document clone should not re-execute javascript", function() {
it("with mutating className", function (done) {
this.timeout(10000);
html2canvas(document.querySelector("#block")).then(function (canvas) {
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
done();
}).catch(function (error) {
done(error);
});
});
});
function validCanvasPixels(canvas) {
var ctx = canvas.getContext("2d");
var data = ctx.getImageData(0, 0, canvas.width, canvas.height).data;
for (var i = 0, len = data.length; i < len; i+=4) {
if (data[i] !== 0 || data[i+1] !== 128 || data[i+2] !== 0 || data[i+3] !== 255) {
expect().fail("Invalid canvas data");
}
}
}
mocha.checkLeaks();
mocha.globals(['jQuery']);
if (window.mochaPhantomJS) {
mochaPhantomJS.run();
}
else {
mocha.run();
}
mocha.suite.afterAll(function() {
document.body.setAttribute('data-complete', 'true');
});
</script>
</body>
</html>