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Restore document write

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This commit is contained in:
Matt Bierner
2017-02-28 15:19:02 -08:00
parent 1241fbbec5
commit fee05b2bf6
1 changed files with 9 additions and 4 deletions
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src/vs/workbench/parts/html/browser/webview-pre.js
+9 -4
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@@ -126,13 +126,18 @@ document.addEventListener("DOMContentLoaded", function (event) {
const newFrame = document.createElement('iframe');
newFrame.setAttribute('id', '_target');
newFrame.setAttribute('frameborder', '0');
newFrame.setAttribute('sandbox', 'allow-scripts allow-forms');
// set DOCTYPE for newDocument explicitly as DOMParser.parseFromString strips it off
// and DOCTYPE is needed in the iframe to ensure that the user agent stylesheet is correctly overridden
newFrame.setAttribute('srcdoc', '<!DOCTYPE html>\n' + newDocument.documentElement.innerHTML);
newFrame.setAttribute('sandbox', 'allow-scripts allow-forms allow-same-origin');
newFrame.style.cssText = "margin: 0; overflow: hidden; position: absolute; width: 100%; height: 100%; display: none";
document.body.appendChild(newFrame);
// write new content onto iframe
newFrame.contentDocument.open('text/html', 'replace');
// set DOCTYPE for newDocument explicitly as DOMParser.parseFromString strips it off
// and DOCTYPE is needed in the iframe to ensure that the user agent stylesheet is correctly overridden
newFrame.contentDocument.write('<!DOCTYPE html>');
newFrame.contentDocument.write(newDocument.documentElement.innerHTML);
newFrame.contentDocument.close();
// workaround for https://github.com/Microsoft/vscode/issues/12865
// check new scrollTop and reset if neccessary
newFrame.contentWindow.addEventListener('DOMContentLoaded', function () {