Quelle link.js Sprache: JAVA

/* 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/. */

"use strict";

const {
  gDevTools,
} = require("resource://devtools/client/framework/devtools.js");

/**
* Retrieve the most recent chrome window.
*/
function _getTopWindow() {
  // Try the main application window, such as a browser window.
  let win = Services.wm.getMostRecentWindow(gDevTools.chromeWindowType);
  if (win?.openWebLinkIn && win?.openTrustedLinkIn) {
    return win;
  }
  // For non-browser cases like Browser Toolbox, try any chrome window.
  win = Services.wm.getMostRecentWindow(null);
  if (win?.openWebLinkIn && win?.openTrustedLinkIn) {
    return win;
  }
  return null;
}

/**
* Opens a |url| that does not require trusted access, such as a documentation page, in a
* new tab.
*
* @param {String} url
*        The url to open.
* @param {Object} options
*        Optional parameters, see documentation for openUILinkIn in utilityOverlay.js
*/
exports.openDocLink = async function (url, options) {
  const top = _getTopWindow();
  if (!top) {
    return;
  }
  top.openWebLinkIn(url, "tab", options);
};

/**
* Opens a |url| controlled by web content in a new tab.
*
* If the current tab has an open toolbox, this will attempt to refine the
* `triggeringPrincipal` of the link using the tab's `contentPrincipal`.  This is only an
* approximation, so bug 1467945 hopes to improve this.
*
* @param {String} url
*        The url to open.
* @param {Object} options
*        Optional parameters, see documentation for openUILinkIn in utilityOverlay.js
*/
exports.openContentLink = async function (url, options = {}) {
  const top = _getTopWindow();
  if (!top) {
    return;
  }
  if (!options.triggeringPrincipal && top.gBrowser) {
    const tab = top.gBrowser.selectedTab;
    if (gDevTools.hasToolboxForTab(tab)) {
      options.triggeringPrincipal = tab.linkedBrowser.contentPrincipal;
      options.csp = tab.linkedBrowser.csp;
    }
  }
  top.openWebLinkIn(url, "tab", options);
};

/**
* Open a trusted |url| in a new tab using the SystemPrincipal.
*
* @param {String} url
*        The url to open.
* @param {Object} options
*        Optional parameters, see documentation for openUILinkIn in utilityOverlay.js
*/
exports.openTrustedLink = async function (url, options) {
  const top = _getTopWindow();
  if (!top) {
    return;
  }
  top.openTrustedLinkIn(url, "tab", options);
};

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