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Remove the onclick polyfill for old versions of Opera

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This was only relevant for no obsolete versions Opera, that use the Presto engine. According to https://en.wikipedia.org/wiki/History_of_the_Opera_web_browser#Opera_2013, the last version affected was released in 2013.
This commit is contained in:
Jonas Jenwald 2017-11-16 15:06:28 +01:00
parent d18b2a8e73
commit cc47ef56ec
1 changed files with 0 additions and 20 deletions
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src/shared/compatibility.js
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@ -30,7 +30,6 @@ var isChrome = userAgent.indexOf('Chrom') >= 0;
var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
var isIE = userAgent.indexOf('Trident') >= 0;
var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
var isOpera = userAgent.indexOf('Opera') >= 0;
var isSafari = /Safari\//.test(userAgent) &&
!/(Chrome\/|Android\s)/.test(userAgent);
@ -143,25 +142,6 @@ PDFJS.compatibilityChecked = true;
});
})();
// Check onclick compatibility in Opera
// Support: Opera<15
(function checkOnClickCompatibility() {
// workaround for reported Opera bug DSK-354448:
// onclick fires on disabled buttons with opaque content
function ignoreIfTargetDisabled(event) {
if (isDisabled(event.target)) {
event.stopPropagation();
}
}
function isDisabled(node) {
return node.disabled || (node.parentNode && isDisabled(node.parentNode));
}
if (isOpera) {
// use browser detection since we cannot feature-check this bug
document.addEventListener('click', ignoreIfTargetDisabled, true);
}
})();
// Checks if possible to use URL.createObjectURL()
// Support: IE, Chrome on iOS
(function checkOnBlobSupport() {