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71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = ["RecentWindow"];
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
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#ifdef XP_UNIX
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#ifndef XP_MACOSX
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#define BROKEN_WM_Z_ORDER
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#endif
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#endif
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this.RecentWindow = {
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/*
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* Get the most recent browser window.
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*
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* @param aOptions an object accepting the arguments for the search.
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* * private: true to restrict the search to private windows
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* only, false to restrict the search to non-private only.
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* Omit the property to search in both groups.
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* * allowPopups: true if popup windows are permissable.
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*/
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getMostRecentBrowserWindow: function RW_getMostRecentBrowserWindow(aOptions) {
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let checkPrivacy = typeof aOptions == "object" &&
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"private" in aOptions;
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let allowPopups = typeof aOptions == "object" && !!aOptions.allowPopups;
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function isSuitableBrowserWindow(win) {
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return (!win.closed &&
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(allowPopups || win.toolbar.visible) &&
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(!checkPrivacy ||
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PrivateBrowsingUtils.permanentPrivateBrowsing ||
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PrivateBrowsingUtils.isWindowPrivate(win) == aOptions.private));
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}
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#ifdef BROKEN_WM_Z_ORDER
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let win = Services.wm.getMostRecentWindow("navigator:browser");
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// if we're lucky, this isn't a popup, and we can just return this
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if (win && !isSuitableBrowserWindow(win)) {
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win = null;
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let windowList = Services.wm.getEnumerator("navigator:browser");
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// this is oldest to newest, so this gets a bit ugly
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while (windowList.hasMoreElements()) {
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let nextWin = windowList.getNext();
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if (isSuitableBrowserWindow(nextWin))
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win = nextWin;
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}
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}
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return win;
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#else
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let windowList = Services.wm.getZOrderDOMWindowEnumerator("navigator:browser", true);
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while (windowList.hasMoreElements()) {
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let win = windowList.getNext();
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if (isSuitableBrowserWindow(win))
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return win;
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}
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return null;
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#endif
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}
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};
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