summaryrefslogtreecommitdiffstats
path: root/components/fuel/fuelApplication.js
blob: bc3a091eaa9fcf56a3bfa7f2da1ed502d60df4a7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
/* 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/. */

const Ci = Components.interfaces;
const Cc = Components.classes;

Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Deprecated",
                                  "resource://gre/modules/Deprecated.jsm");

const APPLICATION_CID = Components.ID("fe74cf80-aa2d-11db-abbd-0800200c9a66");
const APPLICATION_CONTRACTID = "@mozilla.org/fuel/application;1";

//=================================================
// Singleton that holds services and utilities
var Utilities = {
  get bookmarks() {
    let bookmarks = Cc["@mozilla.org/browser/nav-bookmarks-service;1"].
                    getService(Ci.nsINavBookmarksService);
    this.__defineGetter__("bookmarks", function() bookmarks);
    return this.bookmarks;
  },

  get bookmarksObserver() {
    let bookmarksObserver = new BookmarksObserver();
    this.__defineGetter__("bookmarksObserver", function() bookmarksObserver);
    return this.bookmarksObserver;
  },

  get annotations() {
    let annotations = Cc["@mozilla.org/browser/annotation-service;1"].
                      getService(Ci.nsIAnnotationService);
    this.__defineGetter__("annotations", function() annotations);
    return this.annotations;
  },

  get history() {
    let history = Cc["@mozilla.org/browser/nav-history-service;1"].
                  getService(Ci.nsINavHistoryService);
    this.__defineGetter__("history", function() history);
    return this.history;
  },

  get windowMediator() {
    let windowMediator = Cc["@mozilla.org/appshell/window-mediator;1"].
                         getService(Ci.nsIWindowMediator);
    this.__defineGetter__("windowMediator", function() windowMediator);
    return this.windowMediator;
  },

  makeURI: function fuelutil_makeURI(aSpec) {
    if (!aSpec)
      return null;
    var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
    return ios.newURI(aSpec, null, null);
  },

  free: function fuelutil_free() {
    delete this.bookmarks;
    delete this.bookmarksObserver;
    delete this.annotations;
    delete this.history;
    delete this.windowMediator;
  }
};


//=================================================
// Window implementation

var fuelWindowMap = new WeakMap();
function getWindow(aWindow) {
  let fuelWindow = fuelWindowMap.get(aWindow);
  if (!fuelWindow) {
    fuelWindow = new Window(aWindow);
    fuelWindowMap.set(aWindow, fuelWindow);
  }
  return fuelWindow;
}

// Don't call new Window() directly; use getWindow instead.
function Window(aWindow) {
  this._window = aWindow;
  this._events = new Events();

  this._watch("TabOpen");
  this._watch("TabMove");
  this._watch("TabClose");
  this._watch("TabSelect");
}

Window.prototype = {
  get events() {
    return this._events;
  },

  get _tabbrowser() {
    return this._window.getBrowser();
  },

  /*
   * Helper used to setup event handlers on the XBL element. Note that the events
   * are actually dispatched to tabs, so we capture them.
   */
  _watch: function win_watch(aType) {
    this._tabbrowser.tabContainer.addEventListener(aType, this,
                                                   /* useCapture = */ true);
  },

  handleEvent: function win_handleEvent(aEvent) {
    this._events.dispatch(aEvent.type, getBrowserTab(this, aEvent.originalTarget.linkedBrowser));
  },

  get tabs() {
    var tabs = [];
    var browsers = this._tabbrowser.browsers;
    for (var i=0; i<browsers.length; i++)
      tabs.push(getBrowserTab(this, browsers[i]));
    return tabs;
  },

  get activeTab() {
    return getBrowserTab(this, this._tabbrowser.selectedBrowser);
  },

  open: function win_open(aURI) {
    return getBrowserTab(this, this._tabbrowser.addTab(aURI.spec).linkedBrowser);
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.fuelIWindow])
};

//=================================================
// BrowserTab implementation

var fuelBrowserTabMap = new WeakMap();
function getBrowserTab(aFUELWindow, aBrowser) {
  let fuelBrowserTab = fuelBrowserTabMap.get(aBrowser);
  if (!fuelBrowserTab) {
    fuelBrowserTab = new BrowserTab(aFUELWindow, aBrowser);
    fuelBrowserTabMap.set(aBrowser, fuelBrowserTab);
  }
  else {
    // This tab may have moved to another window, so make sure its cached
    // window is up-to-date.
    fuelBrowserTab._window = aFUELWindow;
  }

  return fuelBrowserTab;
}

// Don't call new BrowserTab() directly; call getBrowserTab instead.
function BrowserTab(aFUELWindow, aBrowser) {
  this._window = aFUELWindow;
  this._browser = aBrowser;
  this._events = new Events();

  this._watch("load");
}

BrowserTab.prototype = {
  get _tabbrowser() {
    return this._window._tabbrowser;
  },

  get uri() {
    return this._browser.currentURI;
  },

  get index() {
    var tabs = this._tabbrowser.tabs;
    for (var i=0; i<tabs.length; i++) {
      if (tabs[i].linkedBrowser == this._browser)
        return i;
    }
    return -1;
  },

  get events() {
    return this._events;
  },

  get window() {
    return this._window;
  },

  get document() {
    return this._browser.contentDocument;
  },

  /*
   * Helper used to setup event handlers on the XBL element
   */
  _watch: function bt_watch(aType) {
    this._browser.addEventListener(aType, this,
                                   /* useCapture = */ true);
  },

  handleEvent: function bt_handleEvent(aEvent) {
    if (aEvent.type == "load") {
      if (!(aEvent.originalTarget instanceof Ci.nsIDOMDocument))
        return;

      if (aEvent.originalTarget.defaultView instanceof Ci.nsIDOMWindow &&
          aEvent.originalTarget.defaultView.frameElement)
        return;
    }
    this._events.dispatch(aEvent.type, this);
  },
  /*
   * Helper used to determine the index offset of the browsertab
   */
  _getTab: function bt_gettab() {
    var tabs = this._tabbrowser.tabs;
    return tabs[this.index] || null;
  },

  load: function bt_load(aURI) {
    this._browser.loadURI(aURI.spec, null, null);
  },

  focus: function bt_focus() {
    this._tabbrowser.selectedTab = this._getTab();
    this._tabbrowser.focus();
  },

  close: function bt_close() {
    this._tabbrowser.removeTab(this._getTab());
  },

  moveBefore: function bt_movebefore(aBefore) {
    this._tabbrowser.moveTabTo(this._getTab(), aBefore.index);
  },

  moveToEnd: function bt_moveend() {
    this._tabbrowser.moveTabTo(this._getTab(), this._tabbrowser.browsers.length);
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.fuelIBrowserTab])
};


//=================================================
// Annotations implementation
function Annotations(aId) {
  this._id = aId;
}

Annotations.prototype = {
  get names() {
    return Utilities.annotations.getItemAnnotationNames(this._id);
  },

  has: function ann_has(aName) {
    return Utilities.annotations.itemHasAnnotation(this._id, aName);
  },

  get: function ann_get(aName) {
    if (this.has(aName))
      return Utilities.annotations.getItemAnnotation(this._id, aName);
    return null;
  },

  set: function ann_set(aName, aValue, aExpiration) {
    Utilities.annotations.setItemAnnotation(this._id, aName, aValue, 0, aExpiration);
  },

  remove: function ann_remove(aName) {
    if (aName)
      Utilities.annotations.removeItemAnnotation(this._id, aName);
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.fuelIAnnotations])
};


//=================================================
// BookmarksObserver implementation (internal class)
//
// BookmarksObserver is a global singleton which watches the browser's
// bookmarks and sends you events when things change.
//
// You can register three different kinds of event listeners on
// BookmarksObserver, using addListener, addFolderListener, and
// addRootlistener.
//
//  - addListener(aId, aEvent, aListener) lets you listen to a specific
//    bookmark.  You can listen to the "change", "move", and "remove" events.
//
//  - addFolderListener(aId, aEvent, aListener) lets you listen to a specific
//    bookmark folder.  You can listen to "addchild" and "removechild".
//
//  - addRootListener(aEvent, aListener) lets you listen to the root bookmark
//    node.  This lets you hear "add", "remove", and "change" events on all
//    bookmarks.
//

function BookmarksObserver() {
  this._eventsDict = {};
  this._folderEventsDict = {};
  this._rootEvents = new Events();
  Utilities.bookmarks.addObserver(this, /* ownsWeak = */ true);
}

BookmarksObserver.prototype = {
  onBeginUpdateBatch: function () {},
  onEndUpdateBatch: function () {},
  onItemVisited: function () {},

  onItemAdded: function bo_onItemAdded(aId, aFolder, aIndex, aItemType, aURI) {
    this._rootEvents.dispatch("add", aId);
    this._dispatchToEvents("addchild", aId, this._folderEventsDict[aFolder]);
  },

  onItemRemoved: function bo_onItemRemoved(aId, aFolder, aIndex) {
    this._rootEvents.dispatch("remove", aId);
    this._dispatchToEvents("remove", aId, this._eventsDict[aId]);
    this._dispatchToEvents("removechild", aId, this._folderEventsDict[aFolder]);
  },

  onItemChanged: function bo_onItemChanged(aId, aProperty, aIsAnnotationProperty, aValue) {
    this._rootEvents.dispatch("change", aProperty);
    this._dispatchToEvents("change", aProperty, this._eventsDict[aId]);
  },

  onItemMoved: function bo_onItemMoved(aId, aOldParent, aOldIndex, aNewParent, aNewIndex) {
    this._dispatchToEvents("move", aId, this._eventsDict[aId]);
  },

  _dispatchToEvents: function bo_dispatchToEvents(aEvent, aData, aEvents) {
    if (aEvents) {
      aEvents.dispatch(aEvent, aData);
    }
  },

  _addListenerToDict: function bo_addListenerToDict(aId, aEvent, aListener, aDict) {
    var events = aDict[aId];
    if (!events) {
      events = new Events();
      aDict[aId] = events;
    }
    events.addListener(aEvent, aListener);
  },

  _removeListenerFromDict: function bo_removeListenerFromDict(aId, aEvent, aListener, aDict) {
    var events = aDict[aId];
    if (!events) {
      return;
    }
    events.removeListener(aEvent, aListener);
    if (events._listeners.length == 0) {
      delete aDict[aId];
    }
  },

  addListener: function bo_addListener(aId, aEvent, aListener) {
    this._addListenerToDict(aId, aEvent, aListener, this._eventsDict);
  },

  removeListener: function bo_removeListener(aId, aEvent, aListener) {
    this._removeListenerFromDict(aId, aEvent, aListener, this._eventsDict);
  },

  addFolderListener: function addFolderListener(aId, aEvent, aListener) {
    this._addListenerToDict(aId, aEvent, aListener, this._folderEventsDict);
  },

  removeFolderListener: function removeFolderListener(aId, aEvent, aListener) {
    this._removeListenerFromDict(aId, aEvent, aListener, this._folderEventsDict);
  },

  addRootListener: function addRootListener(aEvent, aListener) {
    this._rootEvents.addListener(aEvent, aListener);
  },

  removeRootListener: function removeRootListener(aEvent, aListener) {
    this._rootEvents.removeListener(aEvent, aListener);
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.nsINavBookmarksObserver,
                                         Ci.nsISupportsWeakReference])
};

//=================================================
// Bookmark implementation
//
// Bookmark event listeners are stored in BookmarksObserver, not in the
// Bookmark objects themselves.  Thus, you don't have to hold on to a Bookmark
// object in order for your event listener to stay valid, and Bookmark objects
// not kept alive by the extension can be GC'ed.
//
// A consequence of this is that if you have two different Bookmark objects x
// and y for the same bookmark (i.e., x != y but x.id == y.id), and you do
//
//   x.addListener("foo", fun);
//   y.removeListener("foo", fun);
//
// the second line will in fact remove the listener added in the first line.
//

function Bookmark(aId, aParent, aType) {
  this._id = aId;
  this._parent = aParent;
  this._type = aType || "bookmark";
  this._annotations = new Annotations(this._id);

  // Our _events object forwards to bookmarksObserver.
  var self = this;
  this._events = {
    addListener: function bookmarkevents_al(aEvent, aListener) {
      Utilities.bookmarksObserver.addListener(self._id, aEvent, aListener);
    },
    removeListener: function bookmarkevents_rl(aEvent, aListener) {
      Utilities.bookmarksObserver.removeListener(self._id, aEvent, aListener);
    },
    QueryInterface: XPCOMUtils.generateQI([Ci.extIEvents])
  };

  // For our onItemMoved listener, which updates this._parent.
  Utilities.bookmarks.addObserver(this, /* ownsWeak = */ true);
}

Bookmark.prototype = {
  get id() {
    return this._id;
  },

  get title() {
    return Utilities.bookmarks.getItemTitle(this._id);
  },

  set title(aTitle) {
    Utilities.bookmarks.setItemTitle(this._id, aTitle);
  },

  get uri() {
    return Utilities.bookmarks.getBookmarkURI(this._id);
  },

  set uri(aURI) {
    return Utilities.bookmarks.changeBookmarkURI(this._id, aURI);
  },

  get description() {
    return this._annotations.get("bookmarkProperties/description");
  },

  set description(aDesc) {
    this._annotations.set("bookmarkProperties/description", aDesc, Ci.nsIAnnotationService.EXPIRE_NEVER);
  },

  get keyword() {
    return Utilities.bookmarks.getKeywordForBookmark(this._id);
  },

  set keyword(aKeyword) {
    Utilities.bookmarks.setKeywordForBookmark(this._id, aKeyword);
  },

  get type() {
    return this._type;
  },

  get parent() {
    return this._parent;
  },

  set parent(aFolder) {
    Utilities.bookmarks.moveItem(this._id, aFolder.id, Utilities.bookmarks.DEFAULT_INDEX);
    // this._parent is updated in onItemMoved
  },

  get annotations() {
    return this._annotations;
  },

  get events() {
    return this._events;
  },

  remove : function bm_remove() {
    Utilities.bookmarks.removeItem(this._id);
  },

  onBeginUpdateBatch: function () {},
  onEndUpdateBatch: function () {},
  onItemAdded: function () {},
  onItemVisited: function () {},
  onItemRemoved: function () {},
  onItemChanged: function () {},

  onItemMoved: function(aId, aOldParent, aOldIndex, aNewParent, aNewIndex) {
    if (aId == this._id) {
      this._parent = new BookmarkFolder(aNewParent, Utilities.bookmarks.getFolderIdForItem(aNewParent));
    }
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.fuelIBookmark,
                                         Ci.nsINavBookmarksObserver,
                                         Ci.nsISupportsWeakReference])
};


//=================================================
// BookmarkFolder implementation
//
// As with Bookmark, events on BookmarkFolder are handled by the
// BookmarksObserver singleton.
//

function BookmarkFolder(aId, aParent) {
  this._id = aId;
  this._parent = aParent;
  this._annotations = new Annotations(this._id);

  // Our event listeners are handled by the BookmarksObserver singleton.  This
  // is a bit complicated because there are three different kinds of events we
  // might want to listen to here:
  //
  //  - If this._parent is null, we're the root bookmark folder, and all our
  //    listeners should be root listeners.
  //
  //  - Otherwise, events ending with "child" (addchild, removechild) are
  //    handled by a folder listener.
  //
  //  - Other events are handled by a vanilla bookmark listener.

  var self = this;
  this._events = {
    addListener: function bmfevents_al(aEvent, aListener) {
      if (self._parent) {
        if (/child$/.test(aEvent)) {
          Utilities.bookmarksObserver.addFolderListener(self._id, aEvent, aListener);
        }
        else {
          Utilities.bookmarksObserver.addListener(self._id, aEvent, aListener);
        }
      }
      else {
        Utilities.bookmarksObserver.addRootListener(aEvent, aListener);
      }
    },
    removeListener: function bmfevents_rl(aEvent, aListener) {
      if (self._parent) {
        if (/child$/.test(aEvent)) {
          Utilities.bookmarksObserver.removeFolderListener(self._id, aEvent, aListener);
        }
        else {
          Utilities.bookmarksObserver.removeListener(self._id, aEvent, aListener);
        }
      }
      else {
        Utilities.bookmarksObserver.removeRootListener(aEvent, aListener);
      }
    },
    QueryInterface: XPCOMUtils.generateQI([Ci.extIEvents])
  };

  // For our onItemMoved listener, which updates this._parent.
  Utilities.bookmarks.addObserver(this, /* ownsWeak = */ true);
}

BookmarkFolder.prototype = {
  get id() {
    return this._id;
  },

  get title() {
    return Utilities.bookmarks.getItemTitle(this._id);
  },

  set title(aTitle) {
    Utilities.bookmarks.setItemTitle(this._id, aTitle);
  },

  get description() {
    return this._annotations.get("bookmarkProperties/description");
  },

  set description(aDesc) {
    this._annotations.set("bookmarkProperties/description", aDesc, Ci.nsIAnnotationService.EXPIRE_NEVER);
  },

  get type() {
    return "folder";
  },

  get parent() {
    return this._parent;
  },

  set parent(aFolder) {
    Utilities.bookmarks.moveItem(this._id, aFolder.id, Utilities.bookmarks.DEFAULT_INDEX);
    // this._parent is updated in onItemMoved
  },

  get annotations() {
    return this._annotations;
  },

  get events() {
    return this._events;
  },

  get children() {
    var items = [];

    var options = Utilities.history.getNewQueryOptions();
    var query = Utilities.history.getNewQuery();
    query.setFolders([this._id], 1);
    var result = Utilities.history.executeQuery(query, options);
    var rootNode = result.root;
    rootNode.containerOpen = true;
    var cc = rootNode.childCount;
    for (var i=0; i<cc; ++i) {
      var node = rootNode.getChild(i);
      if (node.type == node.RESULT_TYPE_FOLDER) {
        var folder = new BookmarkFolder(node.itemId, this._id);
        items.push(folder);
      }
      else if (node.type == node.RESULT_TYPE_SEPARATOR) {
        var separator = new Bookmark(node.itemId, this._id, "separator");
        items.push(separator);
      }
      else {
        var bookmark = new Bookmark(node.itemId, this._id, "bookmark");
        items.push(bookmark);
      }
    }
    rootNode.containerOpen = false;

    return items;
  },

  addBookmark: function bmf_addbm(aTitle, aUri) {
    var newBookmarkID = Utilities.bookmarks.insertBookmark(this._id, aUri, Utilities.bookmarks.DEFAULT_INDEX, aTitle);
    var newBookmark = new Bookmark(newBookmarkID, this, "bookmark");
    return newBookmark;
  },

  addSeparator: function bmf_addsep() {
    var newBookmarkID = Utilities.bookmarks.insertSeparator(this._id, Utilities.bookmarks.DEFAULT_INDEX);
    var newBookmark = new Bookmark(newBookmarkID, this, "separator");
    return newBookmark;
  },

  addFolder: function bmf_addfolder(aTitle) {
    var newFolderID = Utilities.bookmarks.createFolder(this._id, aTitle, Utilities.bookmarks.DEFAULT_INDEX);
    var newFolder = new BookmarkFolder(newFolderID, this);
    return newFolder;
  },

  remove: function bmf_remove() {
    Utilities.bookmarks.removeItem(this._id);
  },

  // observer
  onBeginUpdateBatch: function () {},
  onEndUpdateBatch : function () {},
  onItemAdded : function () {},
  onItemRemoved : function () {},
  onItemChanged : function () {},

  onItemMoved: function bf_onItemMoved(aId, aOldParent, aOldIndex, aNewParent, aNewIndex) {
    if (this._id == aId) {
      this._parent = new BookmarkFolder(aNewParent, Utilities.bookmarks.getFolderIdForItem(aNewParent));
    }
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.fuelIBookmarkFolder,
                                         Ci.nsINavBookmarksObserver,
                                         Ci.nsISupportsWeakReference])
};

//=================================================
// BookmarkRoots implementation
function BookmarkRoots() {
}

BookmarkRoots.prototype = {
  get menu() {
    if (!this._menu)
      this._menu = new BookmarkFolder(Utilities.bookmarks.bookmarksMenuFolder, null);

    return this._menu;
  },

  get toolbar() {
    if (!this._toolbar)
      this._toolbar = new BookmarkFolder(Utilities.bookmarks.toolbarFolder, null);

    return this._toolbar;
  },

  get tags() {
    if (!this._tags)
      this._tags = new BookmarkFolder(Utilities.bookmarks.tagsFolder, null);

    return this._tags;
  },

  get unfiled() {
    if (!this._unfiled)
      this._unfiled = new BookmarkFolder(Utilities.bookmarks.unfiledBookmarksFolder, null);

    return this._unfiled;
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.fuelIBookmarkRoots])
};


//=================================================
// Factory - Treat Application as a singleton
// XXX This is required, because we're registered for the 'JavaScript global
// privileged property' category, whose handler always calls createInstance.
// See bug 386535.
var gSingleton = null;
var ApplicationFactory = {
  createInstance: function af_ci(aOuter, aIID) {
    if (aOuter != null)
      throw Components.results.NS_ERROR_NO_AGGREGATION;

    if (gSingleton == null) {
      gSingleton = new Application();
    }

    return gSingleton.QueryInterface(aIID);
  }
};


#include ../../../../toolkit/components/exthelper/extApplication.js

//=================================================
// Application constructor
function Application() {
  Deprecated.warning("FUEL is deprecated, you should use the standard Toolkit API instead.",
                     "https://github.com/MoonchildProductions/UXP/issues/1083");
  this.initToolkitHelpers();
}

//=================================================
// Application implementation
function ApplicationPrototype() {
  // for nsIClassInfo + XPCOMUtils
  this.classID = APPLICATION_CID;

  // redefine the default factory for XPCOMUtils
  this._xpcom_factory = ApplicationFactory;

  // for nsISupports
  this.QueryInterface = XPCOMUtils.generateQI([
    Ci.fuelIApplication,
    Ci.extIApplication,
    Ci.nsIObserver,
    Ci.nsISupportsWeakReference
  ]);

  // for nsIClassInfo
  this.classInfo = XPCOMUtils.generateCI({
    classID: APPLICATION_CID,
    contractID: APPLICATION_CONTRACTID,
    interfaces: [
      Ci.fuelIApplication,
      Ci.extIApplication,
      Ci.nsIObserver
    ],
    flags: Ci.nsIClassInfo.SINGLETON
  });

  // for nsIObserver
  this.observe = function (aSubject, aTopic, aData) {
    // Call the extApplication version of this function first
    var superPrototype = Object.getPrototypeOf(Object.getPrototypeOf(this));
    superPrototype.observe.call(this, aSubject, aTopic, aData);
    if (aTopic == "xpcom-shutdown") {
      this._obs.removeObserver(this, "xpcom-shutdown");
      Utilities.free();
    }
  };

  Object.defineProperty(this, "bookmarks", {
    get: function bookmarks () {
      let bookmarks = new BookmarkRoots();
      Object.defineProperty(this, "bookmarks", { value: bookmarks });
      return this.bookmarks;
    },
    enumerable: true,
    configurable: true
  });

  Object.defineProperty(this, "windows", {
    get: function windows() {
      var win = [];
      var browserEnum = Utilities.windowMediator.getEnumerator("navigator:browser");

      while (browserEnum.hasMoreElements())
        win.push(getWindow(browserEnum.getNext()));

      return win;
    },
    enumerable: true,
    configurable: true
  });

  Object.defineProperty(this, "activeWindow", {
    get: () => getWindow(Utilities.windowMediator.getMostRecentWindow("navigator:browser")),
    enumerable: true,
    configurable: true
  });

};

// set the proto, defined in extApplication.js
ApplicationPrototype.prototype = extApplication.prototype;

Application.prototype = new ApplicationPrototype();

this.NSGetFactory = XPCOMUtils.generateNSGetFactory([Application]);