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Add code to handle unpatched MathJax

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Kovid Goyal 2018-12-17 16:02:12 +05:30
parent e4e313f1d6
commit f990929bef
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1 changed files with 15 additions and 1 deletions
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src/calibre/gui2/viewer2/mathjax.py
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@ -19,6 +19,20 @@ function postprocess_mathjax(link_uid) {
function monkeypatch(mathjax_files) { function monkeypatch(mathjax_files) {
var orig = window.MathJax.Ajax.fileURL.bind(window.MathJax.Ajax); var orig = window.MathJax.Ajax.fileURL.bind(window.MathJax.Ajax);
var StyleString = window.MathJax.Ajax.StyleString.bind(window.MathJax.Ajax);
window.MathJax.Ajax.StyleString = function(styles) {
return StyleString(styles).replace(/url\\('?(.*?)'?\\)/g, function(match, url) {
if (!url.endsWith('.woff')) return match;
url = mathjax_files[url];
if (!url) return match;
if (typeof url != "string") {
url = window.URL.createObjectURL(url);
mathjax_files[name] = url;
}
return "url('" + url + "')";
});
}
window.MathJax.Ajax.fileURL = function(mathjax_name) { window.MathJax.Ajax.fileURL = function(mathjax_name) {
var ans = orig(mathjax_name); var ans = orig(mathjax_name);
@ -30,7 +44,7 @@ function monkeypatch(mathjax_files) {
mathjax_files[name] = window.URL.createObjectURL(ans); mathjax_files[name] = window.URL.createObjectURL(ans);
ans = mathjax_files[name]; ans = mathjax_files[name];
} }
if (ans === name && !name.startsWith('blob:')) { if (ans === name && !name.startsWith('blob:') && !name.endsWith('/eot') && !name.endsWith('/woff') && !name.endsWith('/otf')) {
if (ans.endsWith('.eot') || ans.endsWith('.otf')) ans = ''; if (ans.endsWith('.eot') || ans.endsWith('.otf')) ans = '';
else console.log('WARNING: Failed to resolve MathJax file: ' + mathjax_name); else console.log('WARNING: Failed to resolve MathJax file: ' + mathjax_name);
} }