[InputEvent] Fire 'beforeinput' during typing, pressing hot keys and IME composition

third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Igalia S.L.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 54 matching lines @@
 #include "platform/scroll/Scrollbar.h"
 #include "public/platform/Platform.h"
 #include "wtf/text/AtomicString.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 class EditorInternalCommand {
 public:
+    const char* commandName;
     int idForUserMetrics;

[yosin_UTC9, 2016/03/15 08:32:32]

I think we should have a field to specify whether "this" command needs to
dispatch "beforeinput" or not.
Since we should not dispatch "beforeInput" for "moveLeft", "moveUp", etc.

Having |enum class InputType { None, InsertCharacter, ReplaceText, ...}| then
|InputType m_inputType|?

     bool (*execute)(LocalFrame&, Event*, EditorCommandSource, const String&);
     bool (*isSupportedFromDOM)(LocalFrame*);
     bool (*isEnabled)(LocalFrame&, Event*, EditorCommandSource);
     TriState (*state)(LocalFrame&, Event*);
     String (*value)(LocalFrame&, Event*);
     bool isTextInsertion;
     // TODO(yosin) We should have |canExecute()|, which checks clipboard
     // accessibility to simplify |Editor::Command::execute()|.
     bool allowExecutionWhenDisabled;
 };
@@ skipping 1386 matching lines @@
     if (!selection.isNonOrphanedCaretOrRange() || !selection.isContentEditable())
         return "";
     Element* formatBlockElement = FormatBlockCommand::elementForFormatBlockCommand(firstRangeOf(selection).get());
     if (!formatBlockElement)
         return "";
     return formatBlockElement->localName();
 }
 
 // Map of functions
 
-struct CommandEntry {
-    const char* name;
-    EditorInternalCommand command;
-};
-
 static const CommandMap& createCommandMap()
 {
     // If you add new commands, you should assign new Id to each idForUserMetrics and update MappedEditingCommands
     // in chrome/trunk/src/tools/metrics/histograms/histograms.xml.
-    static const CommandEntry commands[] = {
-        { "AlignCenter", {139, executeJustifyCenter, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "AlignJustified", {1, executeJustifyFull, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "AlignLeft", {2, executeJustifyLeft, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "AlignRight", {3, executeJustifyRight, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "BackColor", {4, executeBackColor, supported, enabledInRichlyEditableText, stateNone, valueBackColor, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "BackwardDelete", {5, executeDeleteBackward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } }, // FIXME: remove BackwardDelete when Safari for Windows stops using it.
-        { "Bold", {6, executeToggleBold, supported, enabledInRichlyEditableText, stateBold, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Copy", {7, executeCopy, supported, enabledCopy, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled } },
-        { "CreateLink", {8, executeCreateLink, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Cut", {9, executeCut, supported, enabledCut, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled } },
-        { "DefaultParagraphSeparator", {10, executeDefaultParagraphSeparator, supported, enabled, stateNone, valueDefaultParagraphSeparator, notTextInsertion, doNotAllowExecutionWhenDisabled} },
-        { "Delete", {11, executeDelete, supported, enabledDelete, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteBackward", {12, executeDeleteBackward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteBackwardByDecomposingPreviousCharacter", {13, executeDeleteBackwardByDecomposingPreviousCharacter, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteForward", {14, executeDeleteForward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteToBeginningOfLine", {15, executeDeleteToBeginningOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteToBeginningOfParagraph", {16, executeDeleteToBeginningOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteToEndOfLine", {17, executeDeleteToEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteToEndOfParagraph", {18, executeDeleteToEndOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteToMark", {19, executeDeleteToMark, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteWordBackward", {20, executeDeleteWordBackward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "DeleteWordForward", {21, executeDeleteWordForward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "FindString", {22, executeFindString, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "FontName", {23, executeFontName, supported, enabledInEditableText, stateNone, valueFontName, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "FontSize", {24, executeFontSize, supported, enabledInEditableText, stateNone, valueFontSize, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "FontSizeDelta", {25, executeFontSizeDelta, supported, enabledInEditableText, stateNone, valueFontSizeDelta, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ForeColor", {26, executeForeColor, supported, enabledInRichlyEditableText, stateNone, valueForeColor, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "FormatBlock", {27, executeFormatBlock, supported, enabledInRichlyEditableText, stateNone, valueFormatBlock, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ForwardDelete", {28, executeForwardDelete, supported, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "HiliteColor", {29, executeBackColor, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "IgnoreSpelling", {30, executeIgnoreSpelling, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Indent", {31, executeIndent, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertBacktab", {32, executeInsertBacktab, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertHTML", {33, executeInsertHTML, supported, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertHorizontalRule", {34, executeInsertHorizontalRule, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertImage", {35, executeInsertImage, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertLineBreak", {36, executeInsertLineBreak, supported, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertNewline", {37, executeInsertNewline, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertNewlineInQuotedContent", {38, executeInsertNewlineInQuotedContent, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertOrderedList", {39, executeInsertOrderedList, supported, enabledInRichlyEditableText, stateOrderedList, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertParagraph", {40, executeInsertParagraph, supported, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertTab", {41, executeInsertTab, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertText", {42, executeInsertText, supported, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "InsertUnorderedList", {43, executeInsertUnorderedList, supported, enabledInRichlyEditableText, stateUnorderedList, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Italic", {44, executeToggleItalic, supported, enabledInRichlyEditableText, stateItalic, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "JustifyCenter", {45, executeJustifyCenter, supported, enabledInRichlyEditableText, stateJustifyCenter, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "JustifyFull", {46, executeJustifyFull, supported, enabledInRichlyEditableText, stateJustifyFull, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "JustifyLeft", {47, executeJustifyLeft, supported, enabledInRichlyEditableText, stateJustifyLeft, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "JustifyNone", {48, executeJustifyLeft, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "JustifyRight", {49, executeJustifyRight, supported, enabledInRichlyEditableText, stateJustifyRight, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MakeTextWritingDirectionLeftToRight", {50, executeMakeTextWritingDirectionLeftToRight, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateTextWritingDirectionLeftToRight, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MakeTextWritingDirectionNatural", {51, executeMakeTextWritingDirectionNatural, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateTextWritingDirectionNatural, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MakeTextWritingDirectionRightToLeft", {52, executeMakeTextWritingDirectionRightToLeft, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateTextWritingDirectionRightToLeft, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveBackward", {53, executeMoveBackward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveBackwardAndModifySelection", {54, executeMoveBackwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveDown", {55, executeMoveDown, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveDownAndModifySelection", {56, executeMoveDownAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveForward", {57, executeMoveForward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveForwardAndModifySelection", {58, executeMoveForwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveLeft", {59, executeMoveLeft, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveLeftAndModifySelection", {60, executeMoveLeftAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MovePageDown", {61, executeMovePageDown, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MovePageDownAndModifySelection", {62, executeMovePageDownAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MovePageUp", {63, executeMovePageUp, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MovePageUpAndModifySelection", {64, executeMovePageUpAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveParagraphBackward", {65, executeMoveParagraphBackward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveParagraphBackwardAndModifySelection", {66, executeMoveParagraphBackwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveParagraphForward", {67, executeMoveParagraphForward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveParagraphForwardAndModifySelection", {68, executeMoveParagraphForwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveRight", {69, executeMoveRight, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveRightAndModifySelection", {70, executeMoveRightAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfDocument", {71, executeMoveToBeginningOfDocument, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfDocumentAndModifySelection", {72, executeMoveToBeginningOfDocumentAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfLine", {73, executeMoveToBeginningOfLine, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfLineAndModifySelection", {74, executeMoveToBeginningOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfParagraph", {75, executeMoveToBeginningOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfParagraphAndModifySelection", {76, executeMoveToBeginningOfParagraphAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfSentence", {77, executeMoveToBeginningOfSentence, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToBeginningOfSentenceAndModifySelection", {78, executeMoveToBeginningOfSentenceAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfDocument", {79, executeMoveToEndOfDocument, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfDocumentAndModifySelection", {80, executeMoveToEndOfDocumentAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfLine", {81, executeMoveToEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfLineAndModifySelection", {82, executeMoveToEndOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfParagraph", {83, executeMoveToEndOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfParagraphAndModifySelection", {84, executeMoveToEndOfParagraphAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfSentence", {85, executeMoveToEndOfSentence, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToEndOfSentenceAndModifySelection", {86, executeMoveToEndOfSentenceAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToLeftEndOfLine", {87, executeMoveToLeftEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToLeftEndOfLineAndModifySelection", {88, executeMoveToLeftEndOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToRightEndOfLine", {89, executeMoveToRightEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveToRightEndOfLineAndModifySelection", {90, executeMoveToRightEndOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveUp", {91, executeMoveUp, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveUpAndModifySelection", {92, executeMoveUpAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordBackward", {93, executeMoveWordBackward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordBackwardAndModifySelection", {94, executeMoveWordBackwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordForward", {95, executeMoveWordForward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordForwardAndModifySelection", {96, executeMoveWordForwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordLeft", {97, executeMoveWordLeft, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordLeftAndModifySelection", {98, executeMoveWordLeftAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordRight", {99, executeMoveWordRight, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "MoveWordRightAndModifySelection", {100, executeMoveWordRightAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Outdent", {101, executeOutdent, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "OverWrite", {102, executeToggleOverwrite, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Paste", {103, executePaste, supported, enabledPaste, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled } },
-        { "PasteAndMatchStyle", {104, executePasteAndMatchStyle, supported, enabledPaste, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled } },
-        { "PasteGlobalSelection", {105, executePasteGlobalSelection, supportedFromMenuOrKeyBinding, enabledPaste, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled } },
-        { "Print", {106, executePrint, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Redo", {107, executeRedo, supported, enabledRedo, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "RemoveFormat", {108, executeRemoveFormat, supported, enabledRangeInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ScrollPageBackward", {109, executeScrollPageBackward, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ScrollPageForward", {110, executeScrollPageForward, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ScrollLineUp", {111, executeScrollLineUp, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ScrollLineDown", {112, executeScrollLineDown, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ScrollToBeginningOfDocument", {113, executeScrollToBeginningOfDocument, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ScrollToEndOfDocument", {114, executeScrollToEndOfDocument, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SelectAll", {115, executeSelectAll, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SelectLine", {116, executeSelectLine, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SelectParagraph", {117, executeSelectParagraph, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SelectSentence", {118, executeSelectSentence, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SelectToMark", {119, executeSelectToMark, supportedFromMenuOrKeyBinding, enabledVisibleSelectionAndMark, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SelectWord", {120, executeSelectWord, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SetMark", {121, executeSetMark, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Strikethrough", {122, executeStrikethrough, supported, enabledInRichlyEditableText, stateStrikethrough, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "StyleWithCSS", {123, executeStyleWithCSS, supported, enabled, stateStyleWithCSS, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Subscript", {124, executeSubscript, supported, enabledInRichlyEditableText, stateSubscript, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Superscript", {125, executeSuperscript, supported, enabledInRichlyEditableText, stateSuperscript, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "SwapWithMark", {126, executeSwapWithMark, supportedFromMenuOrKeyBinding, enabledVisibleSelectionAndMark, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ToggleBold", {127, executeToggleBold, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateBold, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ToggleItalic", {128, executeToggleItalic, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateItalic, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "ToggleUnderline", {129, executeUnderline, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateUnderline, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Transpose", {130, executeTranspose, supported, enableCaretInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Underline", {131, executeUnderline, supported, enabledInRichlyEditableText, stateUnderline, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Undo", {132, executeUndo, supported, enabledUndo, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Unlink", {133, executeUnlink, supported, enabledRangeInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Unscript", {134, executeUnscript, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Unselect", {135, executeUnselect, supported, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "UseCSS", {136, executeUseCSS, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "Yank", {137, executeYank, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
-        { "YankAndSelect", {138, executeYankAndSelect, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled } },
+    static const EditorInternalCommand commands[] = {
+        { "AlignCenter", 139, executeJustifyCenter, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "AlignJustified", 1, executeJustifyFull, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "AlignLeft", 2, executeJustifyLeft, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "AlignRight", 3, executeJustifyRight, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "BackColor", 4, executeBackColor, supported, enabledInRichlyEditableText, stateNone, valueBackColor, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "BackwardDelete", 5, executeDeleteBackward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled }, // FIXME: remove BackwardDelete when Safari for Windows stops using it.
+        { "Bold", 6, executeToggleBold, supported, enabledInRichlyEditableText, stateBold, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Copy", 7, executeCopy, supported, enabledCopy, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled },
+        { "CreateLink", 8, executeCreateLink, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Cut", 9, executeCut, supported, enabledCut, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled },
+        { "DefaultParagraphSeparator", 10, executeDefaultParagraphSeparator, supported, enabled, stateNone, valueDefaultParagraphSeparator, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Delete", 11, executeDelete, supported, enabledDelete, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteBackward", 12, executeDeleteBackward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteBackwardByDecomposingPreviousCharacter", 13, executeDeleteBackwardByDecomposingPreviousCharacter, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteForward", 14, executeDeleteForward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteToBeginningOfLine", 15, executeDeleteToBeginningOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteToBeginningOfParagraph", 16, executeDeleteToBeginningOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteToEndOfLine", 17, executeDeleteToEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteToEndOfParagraph", 18, executeDeleteToEndOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteToMark", 19, executeDeleteToMark, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteWordBackward", 20, executeDeleteWordBackward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "DeleteWordForward", 21, executeDeleteWordForward, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "FindString", 22, executeFindString, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "FontName", 23, executeFontName, supported, enabledInEditableText, stateNone, valueFontName, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "FontSize", 24, executeFontSize, supported, enabledInEditableText, stateNone, valueFontSize, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "FontSizeDelta", 25, executeFontSizeDelta, supported, enabledInEditableText, stateNone, valueFontSizeDelta, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ForeColor", 26, executeForeColor, supported, enabledInRichlyEditableText, stateNone, valueForeColor, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "FormatBlock", 27, executeFormatBlock, supported, enabledInRichlyEditableText, stateNone, valueFormatBlock, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ForwardDelete", 28, executeForwardDelete, supported, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "HiliteColor", 29, executeBackColor, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "IgnoreSpelling", 30, executeIgnoreSpelling, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Indent", 31, executeIndent, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertBacktab", 32, executeInsertBacktab, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertHTML", 33, executeInsertHTML, supported, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertHorizontalRule", 34, executeInsertHorizontalRule, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertImage", 35, executeInsertImage, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertLineBreak", 36, executeInsertLineBreak, supported, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertNewline", 37, executeInsertNewline, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertNewlineInQuotedContent", 38, executeInsertNewlineInQuotedContent, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertOrderedList", 39, executeInsertOrderedList, supported, enabledInRichlyEditableText, stateOrderedList, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertParagraph", 40, executeInsertParagraph, supported, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertTab", 41, executeInsertTab, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertText", 42, executeInsertText, supported, enabledInEditableText, stateNone, valueNull, isTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "InsertUnorderedList", 43, executeInsertUnorderedList, supported, enabledInRichlyEditableText, stateUnorderedList, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Italic", 44, executeToggleItalic, supported, enabledInRichlyEditableText, stateItalic, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "JustifyCenter", 45, executeJustifyCenter, supported, enabledInRichlyEditableText, stateJustifyCenter, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "JustifyFull", 46, executeJustifyFull, supported, enabledInRichlyEditableText, stateJustifyFull, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "JustifyLeft", 47, executeJustifyLeft, supported, enabledInRichlyEditableText, stateJustifyLeft, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "JustifyNone", 48, executeJustifyLeft, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "JustifyRight", 49, executeJustifyRight, supported, enabledInRichlyEditableText, stateJustifyRight, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MakeTextWritingDirectionLeftToRight", 50, executeMakeTextWritingDirectionLeftToRight, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateTextWritingDirectionLeftToRight, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MakeTextWritingDirectionNatural", 51, executeMakeTextWritingDirectionNatural, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateTextWritingDirectionNatural, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MakeTextWritingDirectionRightToLeft", 52, executeMakeTextWritingDirectionRightToLeft, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateTextWritingDirectionRightToLeft, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveBackward", 53, executeMoveBackward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveBackwardAndModifySelection", 54, executeMoveBackwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveDown", 55, executeMoveDown, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveDownAndModifySelection", 56, executeMoveDownAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveForward", 57, executeMoveForward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveForwardAndModifySelection", 58, executeMoveForwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveLeft", 59, executeMoveLeft, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveLeftAndModifySelection", 60, executeMoveLeftAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MovePageDown", 61, executeMovePageDown, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MovePageDownAndModifySelection", 62, executeMovePageDownAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MovePageUp", 63, executeMovePageUp, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MovePageUpAndModifySelection", 64, executeMovePageUpAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveParagraphBackward", 65, executeMoveParagraphBackward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveParagraphBackwardAndModifySelection", 66, executeMoveParagraphBackwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveParagraphForward", 67, executeMoveParagraphForward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveParagraphForwardAndModifySelection", 68, executeMoveParagraphForwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveRight", 69, executeMoveRight, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveRightAndModifySelection", 70, executeMoveRightAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfDocument", 71, executeMoveToBeginningOfDocument, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfDocumentAndModifySelection", 72, executeMoveToBeginningOfDocumentAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfLine", 73, executeMoveToBeginningOfLine, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfLineAndModifySelection", 74, executeMoveToBeginningOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfParagraph", 75, executeMoveToBeginningOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfParagraphAndModifySelection", 76, executeMoveToBeginningOfParagraphAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfSentence", 77, executeMoveToBeginningOfSentence, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToBeginningOfSentenceAndModifySelection", 78, executeMoveToBeginningOfSentenceAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfDocument", 79, executeMoveToEndOfDocument, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfDocumentAndModifySelection", 80, executeMoveToEndOfDocumentAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfLine", 81, executeMoveToEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfLineAndModifySelection", 82, executeMoveToEndOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfParagraph", 83, executeMoveToEndOfParagraph, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfParagraphAndModifySelection", 84, executeMoveToEndOfParagraphAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfSentence", 85, executeMoveToEndOfSentence, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToEndOfSentenceAndModifySelection", 86, executeMoveToEndOfSentenceAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToLeftEndOfLine", 87, executeMoveToLeftEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToLeftEndOfLineAndModifySelection", 88, executeMoveToLeftEndOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToRightEndOfLine", 89, executeMoveToRightEndOfLine, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveToRightEndOfLineAndModifySelection", 90, executeMoveToRightEndOfLineAndModifySelection, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveUp", 91, executeMoveUp, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveUpAndModifySelection", 92, executeMoveUpAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordBackward", 93, executeMoveWordBackward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordBackwardAndModifySelection", 94, executeMoveWordBackwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordForward", 95, executeMoveWordForward, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordForwardAndModifySelection", 96, executeMoveWordForwardAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordLeft", 97, executeMoveWordLeft, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordLeftAndModifySelection", 98, executeMoveWordLeftAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordRight", 99, executeMoveWordRight, supportedFromMenuOrKeyBinding, enabledInEditableTextOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "MoveWordRightAndModifySelection", 100, executeMoveWordRightAndModifySelection, supportedFromMenuOrKeyBinding, enabledVisibleSelectionOrCaretBrowsing, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Outdent", 101, executeOutdent, supported, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "OverWrite", 102, executeToggleOverwrite, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Paste", 103, executePaste, supported, enabledPaste, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled },
+        { "PasteAndMatchStyle", 104, executePasteAndMatchStyle, supported, enabledPaste, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled },
+        { "PasteGlobalSelection", 105, executePasteGlobalSelection, supportedFromMenuOrKeyBinding, enabledPaste, stateNone, valueNull, notTextInsertion, allowExecutionWhenDisabled },
+        { "Print", 106, executePrint, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Redo", 107, executeRedo, supported, enabledRedo, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "RemoveFormat", 108, executeRemoveFormat, supported, enabledRangeInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ScrollPageBackward", 109, executeScrollPageBackward, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ScrollPageForward", 110, executeScrollPageForward, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ScrollLineUp", 111, executeScrollLineUp, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ScrollLineDown", 112, executeScrollLineDown, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ScrollToBeginningOfDocument", 113, executeScrollToBeginningOfDocument, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ScrollToEndOfDocument", 114, executeScrollToEndOfDocument, supportedFromMenuOrKeyBinding, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SelectAll", 115, executeSelectAll, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SelectLine", 116, executeSelectLine, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SelectParagraph", 117, executeSelectParagraph, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SelectSentence", 118, executeSelectSentence, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SelectToMark", 119, executeSelectToMark, supportedFromMenuOrKeyBinding, enabledVisibleSelectionAndMark, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SelectWord", 120, executeSelectWord, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SetMark", 121, executeSetMark, supportedFromMenuOrKeyBinding, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Strikethrough", 122, executeStrikethrough, supported, enabledInRichlyEditableText, stateStrikethrough, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "StyleWithCSS", 123, executeStyleWithCSS, supported, enabled, stateStyleWithCSS, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Subscript", 124, executeSubscript, supported, enabledInRichlyEditableText, stateSubscript, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Superscript", 125, executeSuperscript, supported, enabledInRichlyEditableText, stateSuperscript, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "SwapWithMark", 126, executeSwapWithMark, supportedFromMenuOrKeyBinding, enabledVisibleSelectionAndMark, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ToggleBold", 127, executeToggleBold, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateBold, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ToggleItalic", 128, executeToggleItalic, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateItalic, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "ToggleUnderline", 129, executeUnderline, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateUnderline, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Transpose", 130, executeTranspose, supported, enableCaretInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Underline", 131, executeUnderline, supported, enabledInRichlyEditableText, stateUnderline, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Undo", 132, executeUndo, supported, enabledUndo, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Unlink", 133, executeUnlink, supported, enabledRangeInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Unscript", 134, executeUnscript, supportedFromMenuOrKeyBinding, enabledInRichlyEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Unselect", 135, executeUnselect, supported, enabledVisibleSelection, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "UseCSS", 136, executeUseCSS, supported, enabled, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "Yank", 137, executeYank, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
+        { "YankAndSelect", 138, executeYankAndSelect, supportedFromMenuOrKeyBinding, enabledInEditableText, stateNone, valueNull, notTextInsertion, doNotAllowExecutionWhenDisabled },
     };
 
     // These unsupported commands are listed here since they appear in the Microsoft
     // documentation used as the starting point for our DOM executeCommand support.
     //
     // 2D-Position (not supported)
     // AbsolutePosition (not supported)
     // BlockDirLTR (not supported)
     // BlockDirRTL (not supported)
     // BrowseMode (not supported)
@@ skipping 33 matching lines @@
     // SizeToControlWidth (not supported)
     // Stop (not supported)
     // StopImage (not supported)
     // Unbookmark (not supported)
 
     CommandMap& commandMap = *new CommandMap;
 #if ENABLE(ASSERT)
     HashSet<int> idSet;
 #endif
     for (size_t i = 0; i < WTF_ARRAY_LENGTH(commands); ++i) {
-        const CommandEntry& command = commands[i];
-        ASSERT(!commandMap.get(command.name));
-        commandMap.set(command.name, &command.command);
+        const EditorInternalCommand& command = commands[i];
+        ASSERT(!commandMap.get(command.commandName));
+        commandMap.set(command.commandName, &command);
 #if ENABLE(ASSERT)
-        ASSERT(!idSet.contains(command.command.idForUserMetrics));
-        idSet.add(command.command.idForUserMetrics);
+        ASSERT(!idSet.contains(command.idForUserMetrics));
+        idSet.add(command.idForUserMetrics);
 #endif
     }
 
     return commandMap;
 }
 
 static const EditorInternalCommand* internalCommand(const String& commandName)
 {
     static const CommandMap& commandMap = createCommandMap();
     return commandName.isEmpty() ? 0 : commandMap.get(commandName);
@@ skipping 72 matching lines @@
 {
     // TODO(yosin) We should move this logic into |canExecute()| member function
     // in |EditorInternalCommand| to replace |allowExecutionWhenDisabled|.
     // |allowExecutionWhenDisabled| is for "Copy", "Cut" and "Paste" commands
     // only.
     if (!isEnabled(triggeringEvent)) {
         // Let certain commands be executed when performed explicitly even if they are disabled.
         if (!isSupported() || !m_frame || !m_command->allowExecutionWhenDisabled)
             return false;
     }
+
+    if (dispatchBeforeInputEditorCommand(eventTargetNodeForDocument(m_frame->document()), m_command->commandName) != DispatchEventResult::NotCanceled)
+        return true;

[chongz, 2016/03/04 19:46:50]

I assume we don't want to fallback to other default actions if, for example,
Ctrl-V's beforeinput got canceled?

+
     frame().document()->updateLayoutIgnorePendingStylesheets();

[yosin_UTC9, 2016/03/15 08:32:32]

Could you check whether |frame().document()| is null or not? "beforeInput" event
handler may destroy |frame()|.

     DEFINE_STATIC_LOCAL(SparseHistogram, commandHistogram, ("WebCore.Editing.Commands"));
     commandHistogram.sample(m_command->idForUserMetrics);
     return m_command->execute(*m_frame, triggeringEvent, m_source, parameter);
 }
 
 bool Editor::Command::execute(Event* triggeringEvent) const
 {
     return execute(String(), triggeringEvent);
 }
 
@@ skipping 38 matching lines @@
 {
     return m_command && m_command->isTextInsertion;
 }
 
 int Editor::Command::idForHistogram() const
 {
     return isSupported() ? m_command->idForUserMetrics : 0;
 }
 
 } // namespace blink