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Avoid unnecessary CSS updates

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This commit is contained in:
Florian Bruhin 2018-06-14 00:16:09 +02:00
parent 651ed5247b
commit b6703d1189
1 changed files with 7 additions and 2 deletions
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9
qutebrowser/javascript/stylesheet.js
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@ -113,14 +113,19 @@ window._qutebrowser.stylesheet = (function() {
if (!initialized) { if (!initialized) {
init(); init();
} }
if (css_content === css) {
return;
}
css_content = css;
if (style_elem) { if (style_elem) {
style_elem.textContent = css; style_elem.textContent = css;
// The browser seems to rewrite the document in same-origin frames // The browser seems to rewrite the document in same-origin frames
// without notifying the mutation observer. Ensure that the // without notifying the mutation observer. Ensure that the
// stylesheet is in the current document. // stylesheet is in the current document.
watch_root(); watch_root();
} else {
css_content = css;
} }
// Propagate the new CSS to all child frames. // Propagate the new CSS to all child frames.
// FIXME:qtwebengine This does not work for cross-origin frames. // FIXME:qtwebengine This does not work for cross-origin frames.