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+/* -*- 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,
+
+ // eCommitComposition indicates that user commits composition.
+ eCommitComposition,
+
+ // eCancelComposition indicates that user cancels composition.
+ eCancelComposition,
+
+ // eDeleteByComposition indicates that user starts composition with
+ // empty string and there was selected content.
+ eDeleteByComposition,
+
+ // 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,
+
+ // 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:
+ 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::eDeleteByComposition:
+ if (StaticPrefs::dom_input_events_conform_to_level_1()) {
+ // XXX Or EditorInputType::eDeleteContent? I don't know which IME may
+ // causes this situation.
+ return EditorInputType::eInsertCompositionText;
+ }
+ return EditorInputType::eDeleteByComposition;
+ 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::eCommitComposition:
+ case EditAction::eCancelComposition:
+ case EditAction::eDeleteByComposition:
+ 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