gecko-dev/browser/components/preferences/tabs.js

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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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# The Original Code is the Firefox Preferences System.
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# The Initial Developer of the Original Code is
# Ben Goodger.
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#   Ben Goodger <ben@mozilla.org>
#   Jeff Walden <jwalden+code@mit.edu>
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var gTabsPane = {

  /*
   * Preferences:
   *
   * browser.link.open_newwindow
   * - determines where pages which would open in a new window are opened:
   *     0 opens such links in the default window,
   *     1 opens such links in the most recent window or tab,
   *     2 opens such links in a new window,
   *     3 opens such links in a new tab
   * browser.tabs.autoHide
   * - true if the tab bar is hidden when only one tab is open, false to always
   *   show it
   * browser.tabs.loadInBackground
   * - true if display should switch to a new tab which has been opened from a
   *   link, false if display shouldn't switch
   * browser.tabs.warnOnClose
   * - true if when closing a window with multiple tabs the user is warned and
   *   allowed to cancel the action, false to just close the window
   * browser.tabs.warnOnOpen
   * - true if the user should be warned if he attempts to open a lot of tabs at
   *   once (e.g. a large folder of bookmarks), false otherwise
   */

  /**
   * Determines where a link which opens a new window will open.
   *
   * @returns |true| if such links should be opened in new tabs
   */
  readLinkTarget: function() {
    var openNewWindow = document.getElementById("browser.link.open_newwindow");
    return openNewWindow.value != 2;
  },

  /**
   * Determines where a link which opens a new window will open.
   *
   * @returns 2 if such links should be opened in new windows,
   *          3 if such links should be opened in new tabs
   */
  writeLinkTarget: function() {
    var linkTargeting = document.getElementById("linkTargeting");
    return linkTargeting.checked ? 3 : 2;
  }
};