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client-side override fix: first set window.devicePixelRatio to 1, also prevent from changing, if possible (catch exception)

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This commit is contained in:
Ilya Kreymer 2017-08-10 16:36:29 -07:00
parent ce3ba9e42e
commit 9fdff8388e
1 changed files with 8 additions and 2 deletions
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10
pywb/static/wombat.js
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@ -721,9 +721,15 @@ var _WBWombat = function($wbwindow, wbinfo) {
//============================================
function init_fixed_ratio() {
// otherwise, just set it
$wbwindow.devicePixelRatio = 1;
// prevent changing, if possible
if (Object.defineProperty) {
// fixed pix ratio
Object.defineProperty($wbwindow, "devicePixelRatio", {value: 1, configurable: false});
try {
// fixed pix ratio
Object.defineProperty($wbwindow, "devicePixelRatio", {value: 1, writable: false});
} catch (e) { }
}
}