summaryrefslogtreecommitdiffstats
path: root/editor/libeditor/EditAction.h
blob: f74d1c6949f6645cb13dd7fb095b728cb2ef593f (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
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */

#ifndef mozilla_EditAction_h
#define mozilla_EditAction_h

#include "mozilla/EventForwards.h"
#include "mozilla/StaticPrefs_dom.h"

namespace mozilla {

/**
 * EditAction indicates which operation or command causes running the methods
 * of editors.
 */
enum class EditAction {
  // eNone indicates no edit action is being handled.
  eNone,

  // eNotEditing indicates that something is retrieved, doing something at
  // destroying or focus move etc, i.e., not edit action is being handled but
  // editor is doing something.
  eNotEditing,

  // eInitializing indicates that the editor instance is being initialized.
  eInitializing,

  // eInsertText indicates to insert some characters.
  eInsertText,

  // eInsertParagraphSeparator indicates to insert a paragraph separator such
  // as <p>, <div>.
  eInsertParagraphSeparator,

  // eInsertLineBreak indicates to insert \n into TextEditor or a <br> element
  // in HTMLEditor.
  eInsertLineBreak,

  // eDeleteSelection indicates to delete selected content or content around
  // caret if selection is collapsed.
  eDeleteSelection,

  // eDeleteBackward indicates to remove previous character element of caret.
  // This may be set even when Selection is not collapsed.
  eDeleteBackward,

  // eDeleteForward indicates to remove next character or element of caret.
  // This may be set even when Selection is not collapsed.
  eDeleteForward,

  // eDeleteWordBackward indicates to remove previous word.  If caret is in
  // a word, remove characters between word start and caret.
  // This may be set even when Selection is not collapsed.
  eDeleteWordBackward,

  // eDeleteWordForward indicates to remove next word.  If caret is in a
  // word, remove characters between caret and word end.
  // This may be set even when Selection is not collapsed.
  eDeleteWordForward,

  // eDeleteToBeginningOfSoftLine indicates to remove characters between
  // caret and previous visual line break.
  // This may be set even when Selection is not collapsed.
  eDeleteToBeginningOfSoftLine,

  // eDeleteToEndOfSoftLine indicates to remove characters between caret and
  // next visual line break.
  // This may be set even when Selection is not collapsed.
  eDeleteToEndOfSoftLine,

  // eDeleteByDrag indicates to remove selection by dragging the content
  // to different place.
  eDeleteByDrag,

  // eStartComposition indicates that user starts composition.
  eStartComposition,

  // eUpdateComposition indicates that user updates composition with
  // new non-empty composition string and IME selections.
  eUpdateComposition,

  // eUpdateCompositionToCommit indicates that user commits composition with
  // the new data.  That means that there will be no IME selections, but the
  // composition continues until the following eCompositionEnd event.
  eUpdateCompositionToCommit,

  // eCommitComposition indicates that user commits composition and ends the
  // composition.
  eCommitComposition,

  // eCancelComposition indicates that user cancels composition and ends the
  // composition with empty string.
  eCancelComposition,

  // eUndo/eRedo indicate to undo/redo a transaction.
  eUndo,
  eRedo,

  // eSetTextDirection indicates that setting text direction (LTR or RTL).
  eSetTextDirection,

  // eCut indicates to delete selected content and copy it to the clipboard.
  eCut,

  // eCopy indicates to copy selected content to the clipboard.
  eCopy,

  // ePaste indicates to paste clipboard data.
  ePaste,

  // ePasteAsQuotation indicates to paste clipboard data as quotation.
  ePasteAsQuotation,

  // eDrop indicates that user drops dragging item into the editor.
  eDrop,

  // eIndent indicates that to indent selected line(s).
  eIndent,

  // eOutdent indicates that to outdent selected line(s).
  eOutdent,

  // eReplaceText indicates to replace a part of range in editor with
  // specific text.  For example, user select a correct word in suggestions
  // of spellchecker or a suggestion in list of autocomplete.
  eReplaceText,

  // eInsertTableRowElement indicates to insert table rows (i.e., <tr>
  // elements).
  eInsertTableRowElement,

  // eRemoveTableRowElement indicates to remove table row elements.
  eRemoveTableRowElement,

  // eInsertTableColumn indicates to insert cell elements to each row.
  eInsertTableColumn,

  // eRemoveTableColumn indicates to remove cell elements from each row.
  eRemoveTableColumn,

  // eResizingElement indicates that user starts to resize or keep resizing
  // with dragging a resizer which is provided by Gecko.
  eResizingElement,

  // eResizeElement indicates that user resizes an element size with finishing
  // dragging a resizer which is provided by Gecko.
  eResizeElement,

  // eMovingElement indicates that user starts to move or keep moving an
  // element with grabber which is provided by Gecko.
  eMovingElement,

  // eMoveElement indicates that user finishes moving an element with grabber
  // which is provided by Gecko.
  eMoveElement,

  // The following edit actions are not user's operation.  They are caused
  // by if UI does something or web apps does something with JS.

  // eUnknown indicates some special edit actions, e.g., batching of some
  // nsI*Editor method calls.  This shouldn't be set while handling a user
  // operation.
  eUnknown,

  // eSetAttribute indicates to set attribute value of an element node.
  eSetAttribute,

  // eRemoveAttribute indicates to remove attribute from an element node.
  eRemoveAttribute,

  // eInsertNode indicates to insert a node into the tree.
  eInsertNode,

  // eDeleteNode indicates to remove a node form the tree.
  eRemoveNode,

  // eInsertBlockElement indicates to insert a block-level element like <div>,
  // <pre>, <li>, <dd> etc.
  eInsertBlockElement,

  // eInsertHorizontalRuleElement indicates to insert a <hr> element.
  eInsertHorizontalRuleElement,

  // eInsertLinkElement indicates to insert an anchor element which has
  // href attribute.
  eInsertLinkElement,

  // eInsertUnorderedListElement and eInsertOrderedListElement indicate to
  // insert <ul> or <ol> element.
  eInsertUnorderedListElement,
  eInsertOrderedListElement,

  // eRemoveUnorderedListElement and eRemoveOrderedListElement indicate to
  // remove <ul> or <ol> element.
  eRemoveUnorderedListElement,
  eRemoveOrderedListElement,

  // eRemoveListElement indicates to remove <ul>, <ol> and/or <dl> element.
  eRemoveListElement,

  // eInsertBlockquoteElement indicates to insert a <blockquote> element.
  eInsertBlockquoteElement,

  // eNormalizeTable indicates to normalize table.  E.g., if a row does
  // not have enough number of cells, inserts empty cells.
  eNormalizeTable,

  // eRemoveTableElement indicates to remove <table> element.
  eRemoveTableElement,

  // eRemoveTableCellContents indicates to remove any children in a table
  // cell element.
  eDeleteTableCellContents,

  // eInsertTableCellElement indicates to insert table cell elements (i.e.,
  // <td> or <th>).
  eInsertTableCellElement,

  // eRemoveTableCellEelement indicates to remove table cell elements.
  eRemoveTableCellElement,

  // eJoinTableCellElements indicates to join table cell elements.
  eJoinTableCellElements,

  // eSplitTableCellElement indicates to split table cell elements.
  eSplitTableCellElement,

  // eSetTableCellElementType indicates to set table cell element type to
  // <td> or <th>.
  eSetTableCellElementType,

  // Those edit actions are mapped to the methods in nsITableEditor which
  // access table layout information.
  eSelectTableCell,
  eSelectTableRow,
  eSelectTableColumn,
  eSelectTable,
  eSelectAllTableCells,
  eGetCellIndexes,
  eGetTableSize,
  eGetCellAt,
  eGetCellDataAt,
  eGetFirstRow,
  eGetSelectedOrParentTableElement,
  eGetSelectedCellsType,
  eGetFirstSelectedCellInTable,
  eGetSelectedCells,

  // eSetInlineStyleProperty indicates to set CSS another inline style property
  // which is not defined below.
  eSetInlineStyleProperty,

  // eRemoveInlineStyleProperty indicates to remove a CSS text property which
  // is not defined below.
  eRemoveInlineStyleProperty,

  // <b> or font-weight.
  eSetFontWeightProperty,
  eRemoveFontWeightProperty,

  // <i> or text-style: italic/oblique.
  eSetTextStyleProperty,
  eRemoveTextStyleProperty,

  // <u> or text-decoration: underline.
  eSetTextDecorationPropertyUnderline,
  eRemoveTextDecorationPropertyUnderline,

  // <strike> or text-decoration: line-through.
  eSetTextDecorationPropertyLineThrough,
  eRemoveTextDecorationPropertyLineThrough,

  // <sup> or text-align: super.
  eSetVerticalAlignPropertySuper,
  eRemoveVerticalAlignPropertySuper,

  // <sub> or text-align: sub.
  eSetVerticalAlignPropertySub,
  eRemoveVerticalAlignPropertySub,

  // <font face="foo"> or font-family.
  eSetFontFamilyProperty,
  eRemoveFontFamilyProperty,

  // <font color="foo"> or color.
  eSetColorProperty,
  eRemoveColorProperty,

  // <span style="background-color: foo">
  eSetBackgroundColorPropertyInline,
  eRemoveBackgroundColorPropertyInline,

  // eRemoveAllInlineStyleProperties indicates to remove all CSS inline
  // style properties.
  eRemoveAllInlineStyleProperties,

  // eIncrementFontSize indicates to increment font-size.
  eIncrementFontSize,

  // eDecrementFontSize indicates to decrement font-size.
  eDecrementFontSize,

  // eSetAlignment indicates to set alignment of selected content but different
  // from the following.
  eSetAlignment,

  // eAlign* and eJustify indicates to align contents in block with left
  // edge, right edge, center or justify the text.
  eAlignLeft,
  eAlignRight,
  eAlignCenter,
  eJustify,

  // eSetBackgroundColor indicates to set background color.
  eSetBackgroundColor,

  // eSetPositionToAbsoluteOrStatic indicates to set position property value
  // to "absolute" or "static".
  eSetPositionToAbsoluteOrStatic,

  // eIncreaseOrDecreaseZIndex indicates to change z-index of an element.
  eIncreaseOrDecreaseZIndex,

  // eEnableOrDisableCSS indicates to enable or disable CSS mode of HTMLEditor.
  eEnableOrDisableCSS,

  // eEnableOrDisableAbsolutePositionEditor indicates to enable or disable
  // absolute positioned element editing UI.
  eEnableOrDisableAbsolutePositionEditor,

  // eEnableOrDisableResizer indicates to enable or disable resizers of
  // <img>, <table> and absolutely positioned element.
  eEnableOrDisableResizer,

  // eEnableOrDisableInlineTableEditingUI indicates to enable or disable
  // inline table editing UI.
  eEnableOrDisableInlineTableEditingUI,

  // eSetCharacterSet indicates to set character-set of the document.
  eSetCharacterSet,

  // eSetWrapWidth indicates to set wrap width.
  eSetWrapWidth,

  // eRewrap indicates to rewrap for current wrap width.
  eRewrap,

  // eSetText indicates to set new text of TextEditor, e.g., setting
  // HTMLInputElement.value.
  eSetText,

  // eSetHTML indicates to set body of HTMLEditor.
  eSetHTML,

  // eInsertHTML indicates to insert HTML source code.
  eInsertHTML,

  // eHidePassword indicates that editor hides password with mask characters.
  eHidePassword,

  // eCreatePaddingBRElementForEmptyEditor indicates that editor wants to
  // create a padding <br> element for empty editor after it modifies its
  // content.
  eCreatePaddingBRElementForEmptyEditor,
};

// This is int32_t instead of int16_t because nsIInlineSpellChecker.idl's
// spellCheckAfterEditorChange is defined to take it as a long.
// TODO: Make each name eFoo and investigate whether the numeric values
//       still have some meaning.
enum class EditSubAction : int32_t {
  // eNone indicates not edit sub-action is being handled.  This is useful
  // of initial value of member variables.
  eNone,

  // eUndo and eRedo indicate entire actions of undo/redo operation.
  eUndo,
  eRedo,

  // eInsertNode indicates to insert a new node into the DOM tree.
  eInsertNode,

  // eCreateNode indicates to create a new node and insert it into the DOM tree.
  eCreateNode,

  // eDeleteNode indicates to remove a node from the DOM tree.
  eDeleteNode,

  // eMoveNode indicates to move a node connected in the DOM tree to different
  // place.
  eMoveNode,

  // eSplitNode indicates to split a node to 2 nodes.
  eSplitNode,

  // eJoinNodes indicates to join 2 nodes.
  eJoinNodes,

  // eDeleteText indicates to delete some characters form a text node.
  eDeleteText,

  // eInsertText indicates to insert some characters.
  eInsertText,

  // eInsertTextComingFromIME indicates to insert or update composition string
  // with new text which is new composition string or commit string.
  eInsertTextComingFromIME,

  // eDeleteSelectedContent indicates to remove selected content.
  eDeleteSelectedContent,

  // eSetTextProperty indicates to set a style from text.
  eSetTextProperty,

  // eRemoveTextProperty indicates to remove a style from text.
  eRemoveTextProperty,

  // eRemoveAllTextProperties indicate to remove all styles from text.
  eRemoveAllTextProperties,

  // eComputeTextToOutput indicates to compute the editor value as plain text
  // or something requested format.
  eComputeTextToOutput,

  // eSetText indicates to set editor value to new value.
  eSetText,

  // eInsertLineBreak indicates to insert a line break, <br> or \n to break
  // current line.
  eInsertLineBreak,

  // eInsertParagraphSeparator indicates to insert paragraph separator, <br> or
  // \n at least to break current line in HTMLEditor.
  eInsertParagraphSeparator,

  // eCreateOrChangeList indicates to create new list or change existing list
  // type.
  eCreateOrChangeList,

  // eIndent and eOutdent indicates to indent or outdent the target with
  // using <blockquote>, <ul>, <ol> or just margin of start edge.
  eIndent,
  eOutdent,

  // eSetOrClearAlignment aligns content or clears alignment with align
  // attribute or text-align.
  eSetOrClearAlignment,

  // eCreateOrRemoveBlock creates new block or removes existing block and
  // move its descendants to where the block was.
  eCreateOrRemoveBlock,

  // eFormatBlockForHTMLCommand wraps selected lines into format block, replaces
  // format blocks around selection with new format block or deletes format
  // blocks around selection.
  eFormatBlockForHTMLCommand,

  // eMergeBlockContents is not an actual sub-action, but this is used by
  // HTMLEditor::MoveBlock() to request special handling in
  // HTMLEditor::MaybeSplitElementsAtEveryBRElement().
  eMergeBlockContents,

  // eRemoveList removes specific type of list but keep its content.
  eRemoveList,

  // eCreateOrChangeDefinitionListItem indicates to format current hard line(s)
  // `<dd>` or `<dt>`.  This may cause creating or changing existing list
  // element to new `<dl>` element.
  eCreateOrChangeDefinitionListItem,

  // eInsertElement indicates to insert an element.
  eInsertElement,

  // eInsertQuotation indicates to insert an element and make it "quoted text".
  eInsertQuotation,

  // eInsertQuotedText indicates to insert text which has already been quoted.
  eInsertQuotedText,

  // ePasteHTMLContent indicates to paste HTML content in clipboard.
  ePasteHTMLContent,

  // eInsertHTMLSource indicates to create a document fragment from given HTML
  // source and insert into the DOM tree.  So, this is similar to innerHTML.
  eInsertHTMLSource,

  // eReplaceHeadWithHTMLSource indicates to create a document fragment from
  // given HTML source and replace content of <head> with it.
  eReplaceHeadWithHTMLSource,

  // eSetPositionToAbsolute and eSetPositionToStatic indicates to set position
  // property to absolute or static.
  eSetPositionToAbsolute,
  eSetPositionToStatic,

  // eDecreaseZIndex and eIncreaseZIndex indicate to decrease and increase
  // z-index value.
  eDecreaseZIndex,
  eIncreaseZIndex,

  // eCreatePaddingBRElementForEmptyEditor indicates to create a padding <br>
  // element for empty editor.
  eCreatePaddingBRElementForEmptyEditor,
};

// You can use this macro as:
//   case NS_EDIT_ACTION_CASES_ACCESSING_TABLE_DATA_WITHOUT_EDITING:
// clang-format off
#define NS_EDIT_ACTION_CASES_ACCESSING_TABLE_DATA_WITHOUT_EDITING \
       mozilla::EditAction::eSelectTableCell:                     \
  case mozilla::EditAction::eSelectTableRow:                      \
  case mozilla::EditAction::eSelectTableColumn:                   \
  case mozilla::EditAction::eSelectTable:                         \
  case mozilla::EditAction::eSelectAllTableCells:                 \
  case mozilla::EditAction::eGetCellIndexes:                      \
  case mozilla::EditAction::eGetTableSize:                        \
  case mozilla::EditAction::eGetCellAt:                           \
  case mozilla::EditAction::eGetCellDataAt:                       \
  case mozilla::EditAction::eGetFirstRow:                         \
  case mozilla::EditAction::eGetSelectedOrParentTableElement:     \
  case mozilla::EditAction::eGetSelectedCellsType:                \
  case mozilla::EditAction::eGetFirstSelectedCellInTable:         \
  case mozilla::EditAction::eGetSelectedCells
// clang-format on

inline EditorInputType ToInputType(EditAction aEditAction) {
  switch (aEditAction) {
    case EditAction::eInsertText:
      return EditorInputType::eInsertText;
    case EditAction::eReplaceText:
      return EditorInputType::eInsertReplacementText;
    case EditAction::eInsertLineBreak:
      return EditorInputType::eInsertLineBreak;
    case EditAction::eInsertParagraphSeparator:
      return EditorInputType::eInsertParagraph;
    case EditAction::eInsertOrderedListElement:
    case EditAction::eRemoveOrderedListElement:
      return EditorInputType::eInsertOrderedList;
    case EditAction::eInsertUnorderedListElement:
    case EditAction::eRemoveUnorderedListElement:
      return EditorInputType::eInsertUnorderedList;
    case EditAction::eInsertHorizontalRuleElement:
      return EditorInputType::eInsertHorizontalRule;
    case EditAction::eDrop:
      return EditorInputType::eInsertFromDrop;
    case EditAction::ePaste:
      return EditorInputType::eInsertFromPaste;
    case EditAction::ePasteAsQuotation:
      return EditorInputType::eInsertFromPasteAsQuotation;
    case EditAction::eUpdateComposition:
    case EditAction::eUpdateCompositionToCommit:
      return EditorInputType::eInsertCompositionText;
    case EditAction::eCommitComposition:
      if (StaticPrefs::dom_input_events_conform_to_level_1()) {
        return EditorInputType::eInsertCompositionText;
      }
      return EditorInputType::eInsertFromComposition;
    case EditAction::eCancelComposition:
      if (StaticPrefs::dom_input_events_conform_to_level_1()) {
        return EditorInputType::eInsertCompositionText;
      }
      return EditorInputType::eDeleteCompositionText;
    case EditAction::eInsertLinkElement:
      return EditorInputType::eInsertLink;
    case EditAction::eDeleteWordBackward:
      return EditorInputType::eDeleteWordBackward;
    case EditAction::eDeleteWordForward:
      return EditorInputType::eDeleteWordForward;
    case EditAction::eDeleteToBeginningOfSoftLine:
      return EditorInputType::eDeleteSoftLineBackward;
    case EditAction::eDeleteToEndOfSoftLine:
      return EditorInputType::eDeleteSoftLineForward;
    case EditAction::eDeleteByDrag:
      return EditorInputType::eDeleteByDrag;
    case EditAction::eCut:
      return EditorInputType::eDeleteByCut;
    case EditAction::eDeleteSelection:
    case EditAction::eRemoveTableRowElement:
    case EditAction::eRemoveTableColumn:
    case EditAction::eRemoveTableElement:
    case EditAction::eDeleteTableCellContents:
    case EditAction::eRemoveTableCellElement:
      return EditorInputType::eDeleteContent;
    case EditAction::eDeleteBackward:
      return EditorInputType::eDeleteContentBackward;
    case EditAction::eDeleteForward:
      return EditorInputType::eDeleteContentForward;
    case EditAction::eUndo:
      return EditorInputType::eHistoryUndo;
    case EditAction::eRedo:
      return EditorInputType::eHistoryRedo;
    case EditAction::eSetFontWeightProperty:
    case EditAction::eRemoveFontWeightProperty:
      return EditorInputType::eFormatBold;
    case EditAction::eSetTextStyleProperty:
    case EditAction::eRemoveTextStyleProperty:
      return EditorInputType::eFormatItalic;
    case EditAction::eSetTextDecorationPropertyUnderline:
    case EditAction::eRemoveTextDecorationPropertyUnderline:
      return EditorInputType::eFormatUnderline;
    case EditAction::eSetTextDecorationPropertyLineThrough:
    case EditAction::eRemoveTextDecorationPropertyLineThrough:
      return EditorInputType::eFormatStrikeThrough;
    case EditAction::eSetVerticalAlignPropertySuper:
    case EditAction::eRemoveVerticalAlignPropertySuper:
      return EditorInputType::eFormatSuperscript;
    case EditAction::eSetVerticalAlignPropertySub:
    case EditAction::eRemoveVerticalAlignPropertySub:
      return EditorInputType::eFormatSubscript;
    case EditAction::eJustify:
      return EditorInputType::eFormatJustifyFull;
    case EditAction::eAlignCenter:
      return EditorInputType::eFormatJustifyCenter;
    case EditAction::eAlignRight:
      return EditorInputType::eFormatJustifyRight;
    case EditAction::eAlignLeft:
      return EditorInputType::eFormatJustifyLeft;
    case EditAction::eIndent:
      return EditorInputType::eFormatIndent;
    case EditAction::eOutdent:
      return EditorInputType::eFormatOutdent;
    case EditAction::eRemoveAllInlineStyleProperties:
      return EditorInputType::eFormatRemove;
    case EditAction::eSetTextDirection:
      return EditorInputType::eFormatSetBlockTextDirection;
    case EditAction::eSetBackgroundColorPropertyInline:
    case EditAction::eRemoveBackgroundColorPropertyInline:
      return EditorInputType::eFormatBackColor;
    case EditAction::eSetColorProperty:
    case EditAction::eRemoveColorProperty:
      return EditorInputType::eFormatFontColor;
    case EditAction::eSetFontFamilyProperty:
    case EditAction::eRemoveFontFamilyProperty:
      return EditorInputType::eFormatFontName;
    default:
      return EditorInputType::eUnknown;
  }
}

inline bool MayEditActionDeleteAroundCollapsedSelection(
    const EditAction aEditAction) {
  switch (aEditAction) {
    case EditAction::eDeleteSelection:
    case EditAction::eDeleteBackward:
    case EditAction::eDeleteForward:
    case EditAction::eDeleteWordBackward:
    case EditAction::eDeleteWordForward:
    case EditAction::eDeleteToBeginningOfSoftLine:
    case EditAction::eDeleteToEndOfSoftLine:
      return true;
    default:
      return false;
  }
}

inline bool IsEditActionInOrderToEditSomething(const EditAction aEditAction) {
  switch (aEditAction) {
    case EditAction::eNotEditing:
    case NS_EDIT_ACTION_CASES_ACCESSING_TABLE_DATA_WITHOUT_EDITING:
      return false;
    default:
      return true;
  }
}

inline bool IsEditActionTableEditing(const EditAction aEditAction) {
  switch (aEditAction) {
    case EditAction::eInsertTableRowElement:
    case EditAction::eRemoveTableRowElement:
    case EditAction::eInsertTableColumn:
    case EditAction::eRemoveTableColumn:
    case EditAction::eRemoveTableElement:
    case EditAction::eRemoveTableCellElement:
    case EditAction::eDeleteTableCellContents:
    case EditAction::eInsertTableCellElement:
    case EditAction::eJoinTableCellElements:
    case EditAction::eSplitTableCellElement:
    case EditAction::eSetTableCellElementType:
      return true;
    default:
      return false;
  }
}

inline bool MayEditActionDeleteSelection(const EditAction aEditAction) {
  switch (aEditAction) {
    case EditAction::eNone:
    case EditAction::eNotEditing:
    case EditAction::eInitializing:
    case NS_EDIT_ACTION_CASES_ACCESSING_TABLE_DATA_WITHOUT_EDITING:
      return false;

    // EditActions modifying around selection.
    case EditAction::eInsertText:
    case EditAction::eInsertParagraphSeparator:
    case EditAction::eInsertLineBreak:
    case EditAction::eDeleteSelection:
    case EditAction::eDeleteBackward:
    case EditAction::eDeleteForward:
    case EditAction::eDeleteWordBackward:
    case EditAction::eDeleteWordForward:
    case EditAction::eDeleteToBeginningOfSoftLine:
    case EditAction::eDeleteToEndOfSoftLine:
    case EditAction::eDeleteByDrag:
      return true;

    case EditAction::eStartComposition:
      return false;

    case EditAction::eUpdateComposition:
    case EditAction::eUpdateCompositionToCommit:
    case EditAction::eCommitComposition:
    case EditAction::eCancelComposition:
      return true;

    case EditAction::eUndo:
    case EditAction::eRedo:
    case EditAction::eSetTextDirection:
      return false;

    case EditAction::eCut:
      return true;

    case EditAction::eCopy:
      return false;

    case EditAction::ePaste:
    case EditAction::ePasteAsQuotation:
      return true;

    case EditAction::eDrop:
      return false;  // Not deleting selection at drop.

    // EditActions changing format around selection.
    case EditAction::eIndent:
    case EditAction::eOutdent:
      return false;

    // EditActions inserting or deleting something at specified position.
    case EditAction::eInsertTableRowElement:
    case EditAction::eRemoveTableRowElement:
    case EditAction::eInsertTableColumn:
    case EditAction::eRemoveTableColumn:
    case EditAction::eResizingElement:
    case EditAction::eResizeElement:
    case EditAction::eMovingElement:
    case EditAction::eMoveElement:
    case EditAction::eUnknown:
    case EditAction::eSetAttribute:
    case EditAction::eRemoveAttribute:
    case EditAction::eRemoveNode:
    case EditAction::eInsertBlockElement:
      return false;

    // EditActions inserting someting around selection or replacing selection
    // with something.
    case EditAction::eReplaceText:
    case EditAction::eInsertNode:
    case EditAction::eInsertHorizontalRuleElement:
      return true;

    // EditActions changing format around selection or inserting or deleting
    // something at specific position.
    case EditAction::eInsertLinkElement:
    case EditAction::eInsertUnorderedListElement:
    case EditAction::eInsertOrderedListElement:
    case EditAction::eRemoveUnorderedListElement:
    case EditAction::eRemoveOrderedListElement:
    case EditAction::eRemoveListElement:
    case EditAction::eInsertBlockquoteElement:
    case EditAction::eNormalizeTable:
    case EditAction::eRemoveTableElement:
    case EditAction::eRemoveTableCellElement:
    case EditAction::eDeleteTableCellContents:
    case EditAction::eInsertTableCellElement:
    case EditAction::eJoinTableCellElements:
    case EditAction::eSplitTableCellElement:
    case EditAction::eSetTableCellElementType:
    case EditAction::eSetInlineStyleProperty:
    case EditAction::eRemoveInlineStyleProperty:
    case EditAction::eSetFontWeightProperty:
    case EditAction::eRemoveFontWeightProperty:
    case EditAction::eSetTextStyleProperty:
    case EditAction::eRemoveTextStyleProperty:
    case EditAction::eSetTextDecorationPropertyUnderline:
    case EditAction::eRemoveTextDecorationPropertyUnderline:
    case EditAction::eSetTextDecorationPropertyLineThrough:
    case EditAction::eRemoveTextDecorationPropertyLineThrough:
    case EditAction::eSetVerticalAlignPropertySuper:
    case EditAction::eRemoveVerticalAlignPropertySuper:
    case EditAction::eSetVerticalAlignPropertySub:
    case EditAction::eRemoveVerticalAlignPropertySub:
    case EditAction::eSetFontFamilyProperty:
    case EditAction::eRemoveFontFamilyProperty:
    case EditAction::eSetColorProperty:
    case EditAction::eRemoveColorProperty:
    case EditAction::eSetBackgroundColorPropertyInline:
    case EditAction::eRemoveBackgroundColorPropertyInline:
    case EditAction::eRemoveAllInlineStyleProperties:
    case EditAction::eIncrementFontSize:
    case EditAction::eDecrementFontSize:
    case EditAction::eSetAlignment:
    case EditAction::eAlignLeft:
    case EditAction::eAlignRight:
    case EditAction::eAlignCenter:
    case EditAction::eJustify:
    case EditAction::eSetBackgroundColor:
    case EditAction::eSetPositionToAbsoluteOrStatic:
    case EditAction::eIncreaseOrDecreaseZIndex:
      return false;

    // EditActions controlling editor feature or state.
    case EditAction::eEnableOrDisableCSS:
    case EditAction::eEnableOrDisableAbsolutePositionEditor:
    case EditAction::eEnableOrDisableResizer:
    case EditAction::eEnableOrDisableInlineTableEditingUI:
    case EditAction::eSetCharacterSet:
    case EditAction::eSetWrapWidth:
      return false;

    case EditAction::eRewrap:
    case EditAction::eSetText:
    case EditAction::eSetHTML:
    case EditAction::eInsertHTML:
      return true;

    case EditAction::eHidePassword:
    case EditAction::eCreatePaddingBRElementForEmptyEditor:
      return false;
  }
  return false;
}

inline bool MayEditActionRequireLayout(const EditAction aEditAction) {
  switch (aEditAction) {
    // Table editing require layout information for referring table cell data
    // such as row/column number and rowspan/colspan.
    case EditAction::eInsertTableRowElement:
    case EditAction::eRemoveTableRowElement:
    case EditAction::eInsertTableColumn:
    case EditAction::eRemoveTableColumn:
    case EditAction::eRemoveTableElement:
    case EditAction::eRemoveTableCellElement:
    case EditAction::eDeleteTableCellContents:
    case EditAction::eInsertTableCellElement:
    case EditAction::eJoinTableCellElements:
    case EditAction::eSplitTableCellElement:
    case EditAction::eSetTableCellElementType:
    case NS_EDIT_ACTION_CASES_ACCESSING_TABLE_DATA_WITHOUT_EDITING:
      return true;
    default:
      return false;
  }
}

}  // namespace mozilla

inline bool operator!(const mozilla::EditSubAction& aEditSubAction) {
  return aEditSubAction == mozilla::EditSubAction::eNone;
}

#endif  // #ifdef mozilla_EditAction_h