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Quelle AboutNewTabChild.sys.mjs Sprache: unbekannt
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Spracherkennung für: .mjs vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
/* 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
* file, You can obtain one at http://mozilla.org/MPL/2. 0/. */
import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
import { PrivateBrowsingUtils } from "resource://gre/modules/PrivateBrowsingUtils.sys .mjs";
import { RemotePageChild } from "resource://gre/actors/RemotePageChild.sys.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
NimbusFeatures: "resource://nimbus/ExperimentAPI.sys.mjs",
});
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"ACTIVITY_STREAM_DEBUG",
"browser.newtabpage.activity-stream.debug",
false
);
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"NEWTAB_SELF_LOADING",
"browser.newtabpage.activity-stream.selfLoading.enabled",
false
);
XPCOMUtils.defineLazyPreferenceGetter(
lazy,
"NEWTAB_REMOTE_RENDERER_ENABLED",
"browser.newtabpage.activity-stream.remote-renderer.enabled",
false
);
let gNextPortID = 0;
export class AboutNewTabChild extends RemotePageChild {
async handleEvent(event) {
if (event.type == "DOMDocElementInserted") {
let portID = Services.appinfo.processID + ":" + ++gNextPortID;
this.sendAsyncMessage("Init", {
portID,
url: this.contentWindow.document.documentURI.replace(/[\#|\?].*$/, ""),
});
if (lazy.NEWTAB_REMOTE_RENDERER_ENABLED) {
let xrayedWin = Cu.waiveXrays(this.contentWindow);
xrayedWin.__REMOTE_RENDERER__ = true;
}
} else if (event.type == "load") {
this.sendAsyncMessage("Load");
} else if (event.type == "DOMContentLoaded") {
if (!this.contentWindow.document.body.firstElementChild) {
return; // about:newtab is a blank page
}
if (lazy.NEWTAB_REMOTE_RENDERER_ENABLED) {
// We asynchronously request the parent to assign the right renderer
// version to us, so that we can guarantee that the parent has locked
// a particular version in place for us by the time we request styles
// and scripts via the moz-newtab-remote-renderer prototol.
const appProps = await this.sendQuery("AssignRenderer");
const protocol = "moz-newtab-remote-renderer";
const { document } = this.contentWindow;
const frag = document.createDocumentFragment();
const styleTag = document.createElement("link");
styleTag.rel = "stylesheet";
styleTag.href = `${protocol}://style`;
frag.appendChild(styleTag);
const scriptTag = document.createElement("script");
scriptTag.src = `${protocol}://script`;
frag.appendChild(scriptTag);
let xrayedWin = Cu.waiveXrays(this.contentWindow);
scriptTag.addEventListener(
"load",
() => {
xrayedWin.__APP_PROPS__ = Cu.cloneInto(
appProps,
this.contentWindow
);
this.contentWindow.dispatchEvent(
new this.contentWindow.CustomEvent("NewTab:RendererReady", {
bubbles: true,
})
);
},
{ once: true }
);
document.head.appendChild(frag);
return;
}
if (!lazy.NEWTAB_SELF_LOADING) {
const debug =
!AppConstants.RELEASE_OR_BETA && lazy.ACTIVITY_STREAM_DEBUG;
const debugString = debug ? "-dev" : "";
// This list must match any similar ones in render-activity-stream-html.js.
const scripts = [
"chrome://browser/content/contentTheme.js",
`chrome://global/content/vendor/react${debugString}.js`,
`chrome://global/content/vendor/react-dom${debugString}.js`,
"chrome://global/content/vendor/prop-types.js",
"chrome://global/content/vendor/react-transition-group.js",
"chrome://global/content/vendor/redux.js",
"chrome://global/content/vendor/react-redux.js",
"resource://newtab/data/content/activity-stream.bundle.js",
"resource://newtab/data/content/newtab-render.js",
];
for (let script of scripts) {
Services.scriptloader.loadSubScriptWithOptions(script, {
target: this.contentWindow,
ignoreCache: true,
});
}
}
} else if (event.type == "unload") {
try {
this.sendAsyncMessage("Unload");
} catch (e) {
// If the tab has been closed the frame message manager has already been
// destroyed
}
} else if (event.type == "pageshow" || event.type == "visibilitychange") {
if (this.document.visibilityState != "visible") {
this.contentWindow.windowUtils.imageAnimationMode =
Ci.imgIContainer.kDontAnimMode;
} else {
this.contentWindow.windowUtils.imageAnimationMode =
Ci.imgIContainer.kNormalAnimMode;
// Don't show the notification in non-permanent private windows
// since it is expected to have very little opt-in here.
let contentWindowPrivate = PrivateBrowsingUtils.isContentWindowPrivate(
this.contentWindow
);
if (
!contentWindowPrivate ||
(contentWindowPrivate &&
PrivateBrowsingUtils.permanentPrivateBrowsing)
) {
this.sendAsyncMessage("AboutNewTabVisible");
// Note: newtab feature info is currently being loaded in PrefsFeed.sys.mjs,
// But we're recording exposure events here.
lazy.NimbusFeatures.newtab.recordExposureEvent({ once: true });
}
}
}
}
observe(subject, topic) {
if (topic !== "intl:l10n-sources-changed") {
return;
}
// Bug 2046945 - this is a bit of a targeted, low-risk kludge fix which lets
// us notice when L10nRegistry sources have changed, and perform a
// retranslation of newtab when that occurs. This lets us avoid issues where
// the newtab XPI may have registered new sources, but the page has already
// finished being translated with the built-in version of newtab.ftl.
const doc = this.document;
if (!doc?.l10n) {
return;
}
doc.l10n.translateRoots();
}
}
[Dauer der Verarbeitung: 0.24 Sekunden, vorverarbeitet 2026-09-28]
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2026-10-09
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