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/* globals findInAllFrames:false */
// In Firefox, outbound google links have the `rwt(...)` mousedown trigger.
// In Chrome, they just have a `ping` attribute.
let trap_link = "a[onmousedown^='return rwt(this,'], a[ping]";
// Remove excessive attributes and event listeners from link a
function cleanLink(a) {
// remove all attributes except for href,
// target (to support "Open each selected result in a new browser window"),
// class, style and ARIA attributes
for (let i = a.attributes.length - 1; i >= 0; --i) {
const attr = a.attributes[i];
if (attr.name !== 'href' && attr.name !== 'target' &&
attr.name !== 'class' && attr.name !== 'style' &&
!attr.name.startsWith('aria-')) {
a.removeAttribute(attr.name);
}
}
a.rel = "noreferrer noopener";
// block event listeners on the link
a.addEventListener("click", function (e) { e.stopImmediatePropagation(); }, true);
a.addEventListener("mousedown", function (e) { e.stopImmediatePropagation(); }, true);
}
// TODO race condition; fix waiting on https://crbug.com/478183
chrome.runtime.sendMessage({
type: "checkEnabled"
}, function (enabled) {
if (!enabled) {
return;
}
// since the page is rendered all at once, no need to set up a
// mutationObserver or setInterval
findInAllFrames(trap_link).forEach((link) => {
cleanLink(link);
});
});
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