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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
export class LinkHandlerParent extends JSWindowActorParent {
receiveMessage(msg) {
const browser = this.browsingContext.top.embedderElement;
if (!browser) {
return;
}
switch (msg.name) {
case "Link:SetIcon":
this.setIconFromLink(browser, msg.data.iconURL, msg.data.canUseForTab);
break;
}
}
setIconFromLink(browser, iconURL, canUseForTab) {
const tabmail = browser.ownerDocument.getElementById("tabmail");
if (!tabmail) {
return;
}
const tab = tabmail.getTabForBrowser(browser);
if (tab?.mode?.type != "contentTab") {
return;
}
let iconURI;
try {
iconURI = Services.io.newURI(iconURL);
} catch (ex) {
console.error(ex);
return;
}
if (iconURI.scheme != "data") {
try {
Services.scriptSecurityManager.checkLoadURIWithPrincipal(
browser.contentPrincipal,
iconURI,
Services.scriptSecurityManager.ALLOW_CHROME
);
} catch (ex) {
return;
}
}
if (canUseForTab) {
tabmail.setTabFavIcon(
tab,
iconURL,
);
}
}
}