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/*
* Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TypingCommand.h"
#include "BreakBlockquoteCommand.h"
#include "DeleteSelectionCommand.h"
#include "Document.h"
#include "Editor.h"
#include "Element.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "HTMLNames.h"
#include "InsertLineBreakCommand.h"
#include "InsertParagraphSeparatorCommand.h"
#include "InsertTextCommand.h"
#include "RenderObject.h"
#include "TextIterator.h"
#include "VisiblePosition.h"
#include "VisibleUnits.h"
#include "htmlediting.h"
namespace WebCore {
using namespace HTMLNames;
class TypingCommandLineOperation
{
public:
TypingCommandLineOperation(TypingCommand* typingCommand, bool selectInsertedText, const String& text)
: m_typingCommand(typingCommand)
, m_selectInsertedText(selectInsertedText)
, m_text(text)
{ }
void operator()(size_t lineOffset, size_t lineLength, bool isLastLine) const
{
if (isLastLine) {
if (!lineOffset || lineLength > 0)
m_typingCommand->insertTextRunWithoutNewlines(m_text.substring(lineOffset, lineLength), m_selectInsertedText);
} else {
if (lineLength > 0)
m_typingCommand->insertTextRunWithoutNewlines(m_text.substring(lineOffset, lineLength), false);
m_typingCommand->insertParagraphSeparator();
}
}
private:
TypingCommand* m_typingCommand;
bool m_selectInsertedText;
const String& m_text;
};
TypingCommand::TypingCommand(Document *document, ETypingCommand commandType, const String &textToInsert, Options options, TextGranularity granularity, TextCompositionType compositionType)
: TextInsertionBaseCommand(document)
, m_commandType(commandType)
, m_textToInsert(textToInsert)
, m_openForMoreTyping(true)
, m_selectInsertedText(options & SelectInsertedText)
, m_smartDelete(options & SmartDelete)
, m_granularity(granularity)
, m_compositionType(compositionType)
, m_killRing(options & KillRing)
, m_openedByBackwardDelete(false)
, m_shouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator)
, m_shouldPreventSpellChecking(options & PreventSpellChecking)
{
updatePreservesTypingStyle(m_commandType);
}
void TypingCommand::deleteSelection(Document* document, Options options)
{
ASSERT(document);
Frame* frame = document->frame();
ASSERT(frame);
if (!frame->selection()->isRange())
return;
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame)) {
lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
lastTypingCommand->deleteSelection(options & SmartDelete);
return;
}
TypingCommand::create(document, DeleteSelection, "", options)->apply();
}
void TypingCommand::deleteKeyPressed(Document *document, Options options, TextGranularity granularity)
{
ASSERT(document);
if (granularity == CharacterGranularity) {
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(document->frame())) {
updateSelectionIfDifferentFromCurrentSelection(lastTypingCommand.get(), document->frame());
lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
lastTypingCommand->deleteKeyPressed(granularity, options & KillRing);
return;
}
}
TypingCommand::create(document, DeleteKey, "", options, granularity)->apply();
}
void TypingCommand::forwardDeleteKeyPressed(Document *document, Options options, TextGranularity granularity)
{
// FIXME: Forward delete in TextEdit appears to open and close a new typing command.
ASSERT(document);
Frame* frame = document->frame();
if (granularity == CharacterGranularity) {
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame)) {
updateSelectionIfDifferentFromCurrentSelection(lastTypingCommand.get(), frame);
lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
lastTypingCommand->forwardDeleteKeyPressed(granularity, options & KillRing);
return;
}
}
TypingCommand::create(document, ForwardDeleteKey, "", options, granularity)->apply();
}
void TypingCommand::updateSelectionIfDifferentFromCurrentSelection(TypingCommand* typingCommand, Frame* frame)
{
ASSERT(frame);
VisibleSelection currentSelection = frame->selection()->selection();
if (currentSelection == typingCommand->endingSelection())
return;
typingCommand->setStartingSelection(currentSelection);
typingCommand->setEndingSelection(currentSelection);
}
void TypingCommand::insertText(Document* document, const String& text, Options options, TextCompositionType composition)
{
ASSERT(document);
Frame* frame = document->frame();
ASSERT(frame);
if (!text.isEmpty())
document->frame()->editor().updateMarkersForWordsAffectedByEditing(isSpaceOrNewline(text.characters()[0]));
insertText(document, text, frame->selection()->selection(), options, composition);
}
// FIXME: We shouldn't need to take selectionForInsertion. It should be identical to FrameSelection's current selection.
void TypingCommand::insertText(Document* document, const String& text, const VisibleSelection& selectionForInsertion, Options options, TextCompositionType compositionType)
{
ASSERT(document);
RefPtr<Frame> frame = document->frame();
ASSERT(frame);
VisibleSelection currentSelection = frame->selection()->selection();
String newText = dispatchBeforeTextInsertedEvent(text, selectionForInsertion, compositionType == TextCompositionUpdate);
// Set the starting and ending selection appropriately if we are using a selection
// that is different from the current selection. In the future, we should change EditCommand
// to deal with custom selections in a general way that can be used by all of the commands.
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame.get())) {
if (lastTypingCommand->endingSelection() != selectionForInsertion) {
lastTypingCommand->setStartingSelection(selectionForInsertion);
lastTypingCommand->setEndingSelection(selectionForInsertion);
}
lastTypingCommand->setCompositionType(compositionType);
lastTypingCommand->setShouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator);
lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
lastTypingCommand->insertText(newText, options & SelectInsertedText);
return;
}
RefPtr<TypingCommand> cmd = TypingCommand::create(document, InsertText, newText, options, compositionType);
applyTextInsertionCommand(frame.get(), cmd, selectionForInsertion, currentSelection);
}
void TypingCommand::insertLineBreak(Document *document, Options options)
{
ASSERT(document);
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(document->frame())) {
lastTypingCommand->setShouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator);
lastTypingCommand->insertLineBreak();
return;
}
applyCommand(TypingCommand::create(document, InsertLineBreak, "", options));
}
void TypingCommand::insertParagraphSeparatorInQuotedContent(Document *document)
{
ASSERT(document);
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(document->frame())) {
lastTypingCommand->insertParagraphSeparatorInQuotedContent();
return;
}
applyCommand(TypingCommand::create(document, InsertParagraphSeparatorInQuotedContent));
}
void TypingCommand::insertParagraphSeparator(Document *document, Options options)
{
ASSERT(document);
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(document->frame())) {
lastTypingCommand->setShouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator);
lastTypingCommand->insertParagraphSeparator();
return;
}
applyCommand(TypingCommand::create(document, InsertParagraphSeparator, "", options));
}
PassRefPtr<TypingCommand> TypingCommand::lastTypingCommandIfStillOpenForTyping(Frame* frame)
{
ASSERT(frame);
RefPtr<CompositeEditCommand> lastEditCommand = frame->editor().lastEditCommand();
if (!lastEditCommand || !lastEditCommand->isTypingCommand() || !static_cast<TypingCommand*>(lastEditCommand.get())->isOpenForMoreTyping())
return 0;
return static_cast<TypingCommand*>(lastEditCommand.get());
}
void TypingCommand::closeTyping(Frame* frame)
{
if (RefPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame))
lastTypingCommand->closeTyping();
}
void TypingCommand::doApply()
{
if (!endingSelection().isNonOrphanedCaretOrRange())
return;
if (m_commandType == DeleteKey)
if (m_commands.isEmpty())
m_openedByBackwardDelete = true;
switch (m_commandType) {
case DeleteSelection:
deleteSelection(m_smartDelete);
return;
case DeleteKey:
deleteKeyPressed(m_granularity, m_killRing);
return;
case ForwardDeleteKey:
forwardDeleteKeyPressed(m_granularity, m_killRing);
return;
case InsertLineBreak:
insertLineBreak();
return;
case InsertParagraphSeparator:
insertParagraphSeparator();
return;
case InsertParagraphSeparatorInQuotedContent:
insertParagraphSeparatorInQuotedContent();
return;
case InsertText:
insertText(m_textToInsert, m_selectInsertedText);
return;
}
ASSERT_NOT_REACHED();
}
EditAction TypingCommand::editingAction() const
{
return EditActionTyping;
}
void TypingCommand::markMisspellingsAfterTyping(ETypingCommand commandType)
{
Frame* frame = document()->frame();
if (!frame)
return;
#if PLATFORM(MAC)
if (!frame->editor().isContinuousSpellCheckingEnabled()
&& !frame->editor().isAutomaticQuoteSubstitutionEnabled()
&& !frame->editor().isAutomaticLinkDetectionEnabled()
&& !frame->editor().isAutomaticDashSubstitutionEnabled()
&& !frame->editor().isAutomaticTextReplacementEnabled())
return;
#else
if (!frame->editor().isContinuousSpellCheckingEnabled())
return;
#endif
// Take a look at the selection that results after typing and determine whether we need to spellcheck.
// Since the word containing the current selection is never marked, this does a check to
// see if typing made a new word that is not in the current selection. Basically, you
// get this by being at the end of a word and typing a space.
VisiblePosition start(endingSelection().start(), endingSelection().affinity());
VisiblePosition previous = start.previous();
if (previous.isNotNull()) {
VisiblePosition p1 = startOfWord(previous, LeftWordIfOnBoundary);
VisiblePosition p2 = startOfWord(start, LeftWordIfOnBoundary);
if (p1 != p2) {
RefPtr<Range> range = makeRange(p1, p2);
String strippedPreviousWord;
if (range && (commandType == TypingCommand::InsertText || commandType == TypingCommand::InsertLineBreak || commandType == TypingCommand::InsertParagraphSeparator || commandType == TypingCommand::InsertParagraphSeparatorInQuotedContent))
strippedPreviousWord = plainText(range.get()).stripWhiteSpace();
frame->editor().markMisspellingsAfterTypingToWord(p1, endingSelection(), !strippedPreviousWord.isEmpty());
} else if (commandType == TypingCommand::InsertText)
frame->editor().startAlternativeTextUITimer();
}
}
void TypingCommand::typingAddedToOpenCommand(ETypingCommand commandTypeForAddedTyping)
{
Frame* frame = document()->frame();
if (!frame)
return;
updatePreservesTypingStyle(commandTypeForAddedTyping);
#if PLATFORM(MAC)
frame->editor().appliedEditing(this);
// Since the spellchecking code may also perform corrections and other replacements, it should happen after the typing changes.
if (!m_shouldPreventSpellChecking)
markMisspellingsAfterTyping(commandTypeForAddedTyping);
#else
// The old spellchecking code requires that checking be done first, to prevent issues like that in 6864072, where <doesn't> is marked as misspelled.
markMisspellingsAfterTyping(commandTypeForAddedTyping);
frame->editor().appliedEditing(this);
#endif
}
void TypingCommand::insertText(const String &text, bool selectInsertedText)
{
// FIXME: Need to implement selectInsertedText for cases where more than one insert is involved.
// This requires support from insertTextRunWithoutNewlines and insertParagraphSeparator for extending
// an existing selection; at the moment they can either put the caret after what's inserted or
// select what's inserted, but there's no way to "extend selection" to include both an old selection
// that ends just before where we want to insert text and the newly inserted text.
TypingCommandLineOperation operation(this, selectInsertedText, text);
forEachLineInString(text, operation);
}
void TypingCommand::insertTextRunWithoutNewlines(const String &text, bool selectInsertedText)
{
RefPtr<InsertTextCommand> command = InsertTextCommand::create(document(), text, selectInsertedText,
m_compositionType == TextCompositionNone ? InsertTextCommand::RebalanceLeadingAndTrailingWhitespaces : InsertTextCommand::RebalanceAllWhitespaces);
applyCommandToComposite(command, endingSelection());
typingAddedToOpenCommand(InsertText);
}
void TypingCommand::insertLineBreak()
{
if (!canAppendNewLineFeedToSelection(endingSelection()))
return;
applyCommandToComposite(InsertLineBreakCommand::create(document()));
typingAddedToOpenCommand(InsertLineBreak);
}
void TypingCommand::insertParagraphSeparator()
{
if (!canAppendNewLineFeedToSelection(endingSelection()))
return;
applyCommandToComposite(InsertParagraphSeparatorCommand::create(document()));
typingAddedToOpenCommand(InsertParagraphSeparator);
}
void TypingCommand::insertParagraphSeparatorInQuotedContent()
{
// If the selection starts inside a table, just insert the paragraph separator normally
// Breaking the blockquote would also break apart the table, which is unecessary when inserting a newline
if (enclosingNodeOfType(endingSelection().start(), &isTableStructureNode)) {
insertParagraphSeparator();
return;
}
applyCommandToComposite(BreakBlockquoteCommand::create(document()));
typingAddedToOpenCommand(InsertParagraphSeparatorInQuotedContent);
}
bool TypingCommand::makeEditableRootEmpty()
{
Element* root = endingSelection().rootEditableElement();
if (!root || !root->firstChild())
return false;
if (root->firstChild() == root->lastChild() && root->firstElementChild() && root->firstElementChild()->hasTagName(brTag)) {
// If there is a single child and it could be a placeholder, leave it alone.
if (root->renderer() && root->renderer()->isBlockFlow())
return false;
}
while (Node* child = root->firstChild())
removeNode(child);
addBlockPlaceholderIfNeeded(root);
setEndingSelection(VisibleSelection(firstPositionInNode(root), DOWNSTREAM, endingSelection().isDirectional()));
return true;
}
void TypingCommand::deleteKeyPressed(TextGranularity granularity, bool killRing)
{
Frame* frame = document()->frame();
if (!frame)
return;
frame->editor().updateMarkersForWordsAffectedByEditing(false);
VisibleSelection selectionToDelete;
VisibleSelection selectionAfterUndo;
switch (endingSelection().selectionType()) {
case VisibleSelection::RangeSelection:
selectionToDelete = endingSelection();
selectionAfterUndo = selectionToDelete;
break;
case VisibleSelection::CaretSelection: {
// After breaking out of an empty mail blockquote, we still want continue with the deletion
// so actual content will get deleted, and not just the quote style.
if (breakOutOfEmptyMailBlockquotedParagraph())
typingAddedToOpenCommand(DeleteKey);
m_smartDelete = false;
FrameSelection selection;
selection.setSelection(endingSelection());
selection.modify(FrameSelection::AlterationExtend, DirectionBackward, granularity);
if (killRing && selection.isCaret() && granularity != CharacterGranularity)
selection.modify(FrameSelection::AlterationExtend, DirectionBackward, CharacterGranularity);
if (endingSelection().visibleStart().previous(CannotCrossEditingBoundary).isNull()) {
// When the caret is at the start of the editable area in an empty list item, break out of the list item.
if (breakOutOfEmptyListItem()) {
typingAddedToOpenCommand(DeleteKey);
return;
}
// When there are no visible positions in the editing root, delete its entire contents.
if (endingSelection().visibleStart().next(CannotCrossEditingBoundary).isNull() && makeEditableRootEmpty()) {
typingAddedToOpenCommand(DeleteKey);
return;
}
}
VisiblePosition visibleStart(endingSelection().visibleStart());
// If we have a caret selection at the beginning of a cell, we have nothing to do.
Node* enclosingTableCell = enclosingNodeOfType(visibleStart.deepEquivalent(), &isTableCell);
if (enclosingTableCell && visibleStart == firstPositionInNode(enclosingTableCell))
return;
// If the caret is at the start of a paragraph after a table, move content into the last table cell.
if (isStartOfParagraph(visibleStart) && isFirstPositionAfterTable(visibleStart.previous(CannotCrossEditingBoundary))) {
// Unless the caret is just before a table. We don't want to move a table into the last table cell.
if (isLastPositionBeforeTable(visibleStart))
return;
// Extend the selection backward into the last cell, then deletion will handle the move.
selection.modify(FrameSelection::AlterationExtend, DirectionBackward, granularity);
// If the caret is just after a table, select the table and don't delete anything.
} else if (Node* table = isFirstPositionAfterTable(visibleStart)) {
setEndingSelection(VisibleSelection(positionBeforeNode(table), endingSelection().start(), DOWNSTREAM, endingSelection().isDirectional()));
typingAddedToOpenCommand(DeleteKey);
return;
}
selectionToDelete = selection.selection();
if (granularity == CharacterGranularity && selectionToDelete.end().containerNode() == selectionToDelete.start().containerNode()
&& selectionToDelete.end().computeOffsetInContainerNode() - selectionToDelete.start().computeOffsetInContainerNode() > 1) {
// If there are multiple Unicode code points to be deleted, adjust the range to match platform conventions.
selectionToDelete.setWithoutValidation(selectionToDelete.end(), selectionToDelete.end().previous(BackwardDeletion));
}
if (!startingSelection().isRange() || selectionToDelete.base() != startingSelection().start())
selectionAfterUndo = selectionToDelete;
else
// It's a little tricky to compute what the starting selection would have been in the original document.
// We can't let the VisibleSelection class's validation kick in or it'll adjust for us based on
// the current state of the document and we'll get the wrong result.
selectionAfterUndo.setWithoutValidation(startingSelection().end(), selectionToDelete.extent());
break;
}
case VisibleSelection::NoSelection:
ASSERT_NOT_REACHED();
break;
}
ASSERT(!selectionToDelete.isNone());
if (selectionToDelete.isNone())
return;
if (selectionToDelete.isCaret() || !frame->selection()->shouldDeleteSelection(selectionToDelete))
return;
if (killRing)
frame->editor().addToKillRing(selectionToDelete.toNormalizedRange().get(), false);
// Make undo select everything that has been deleted, unless an undo will undo more than just this deletion.
// FIXME: This behaves like TextEdit except for the case where you open with text insertion and then delete
// more text than you insert. In that case all of the text that was around originally should be selected.
if (m_openedByBackwardDelete)
setStartingSelection(selectionAfterUndo);
CompositeEditCommand::deleteSelection(selectionToDelete, m_smartDelete);
setSmartDelete(false);
typingAddedToOpenCommand(DeleteKey);
}
void TypingCommand::forwardDeleteKeyPressed(TextGranularity granularity, bool killRing)
{
Frame* frame = document()->frame();
if (!frame)
return;
frame->editor().updateMarkersForWordsAffectedByEditing(false);
VisibleSelection selectionToDelete;
VisibleSelection selectionAfterUndo;
switch (endingSelection().selectionType()) {
case VisibleSelection::RangeSelection:
selectionToDelete = endingSelection();
selectionAfterUndo = selectionToDelete;
break;
case VisibleSelection::CaretSelection: {
m_smartDelete = false;
// Handle delete at beginning-of-block case.
// Do nothing in the case that the caret is at the start of a
// root editable element or at the start of a document.
FrameSelection selection;
selection.setSelection(endingSelection());
selection.modify(FrameSelection::AlterationExtend, DirectionForward, granularity);
if (killRing && selection.isCaret() && granularity != CharacterGranularity)
selection.modify(FrameSelection::AlterationExtend, DirectionForward, CharacterGranularity);
Position downstreamEnd = endingSelection().end().downstream();
VisiblePosition visibleEnd = endingSelection().visibleEnd();
Node* enclosingTableCell = enclosingNodeOfType(visibleEnd.deepEquivalent(), &isTableCell);
if (enclosingTableCell && visibleEnd == lastPositionInNode(enclosingTableCell))
return;
if (visibleEnd == endOfParagraph(visibleEnd))
downstreamEnd = visibleEnd.next(CannotCrossEditingBoundary).deepEquivalent().downstream();
// When deleting tables: Select the table first, then perform the deletion
if (downstreamEnd.containerNode() && downstreamEnd.containerNode()->renderer() && downstreamEnd.containerNode()->renderer()->isTable()
&& downstreamEnd.computeOffsetInContainerNode() <= caretMinOffset(downstreamEnd.containerNode())) {
setEndingSelection(VisibleSelection(endingSelection().end(), positionAfterNode(downstreamEnd.containerNode()), DOWNSTREAM, endingSelection().isDirectional()));
typingAddedToOpenCommand(ForwardDeleteKey);
return;
}
// deleting to end of paragraph when at end of paragraph needs to merge the next paragraph (if any)
if (granularity == ParagraphBoundary && selection.selection().isCaret() && isEndOfParagraph(selection.selection().visibleEnd()))
selection.modify(FrameSelection::AlterationExtend, DirectionForward, CharacterGranularity);
selectionToDelete = selection.selection();
if (!startingSelection().isRange() || selectionToDelete.base() != startingSelection().start())
selectionAfterUndo = selectionToDelete;
else {
// It's a little tricky to compute what the starting selection would have been in the original document.
// We can't let the VisibleSelection class's validation kick in or it'll adjust for us based on
// the current state of the document and we'll get the wrong result.
Position extent = startingSelection().end();
if (extent.containerNode() != selectionToDelete.end().containerNode())
extent = selectionToDelete.extent();
else {
int extraCharacters;
if (selectionToDelete.start().containerNode() == selectionToDelete.end().containerNode())
extraCharacters = selectionToDelete.end().computeOffsetInContainerNode() - selectionToDelete.start().computeOffsetInContainerNode();
else
extraCharacters = selectionToDelete.end().computeOffsetInContainerNode();
extent = Position(extent.containerNode(), extent.computeOffsetInContainerNode() + extraCharacters, Position::PositionIsOffsetInAnchor);
}
selectionAfterUndo.setWithoutValidation(startingSelection().start(), extent);
}
break;
}
case VisibleSelection::NoSelection:
ASSERT_NOT_REACHED();
break;
}
ASSERT(!selectionToDelete.isNone());
if (selectionToDelete.isNone())
return;
if (selectionToDelete.isCaret() || !frame->selection()->shouldDeleteSelection(selectionToDelete))
return;
if (killRing)
frame->editor().addToKillRing(selectionToDelete.toNormalizedRange().get(), false);
// make undo select what was deleted
setStartingSelection(selectionAfterUndo);
CompositeEditCommand::deleteSelection(selectionToDelete, m_smartDelete);
setSmartDelete(false);
typingAddedToOpenCommand(ForwardDeleteKey);
}
void TypingCommand::deleteSelection(bool smartDelete)
{
CompositeEditCommand::deleteSelection(smartDelete);
typingAddedToOpenCommand(DeleteSelection);
}
void TypingCommand::updatePreservesTypingStyle(ETypingCommand commandType)
{
switch (commandType) {
case DeleteSelection:
case DeleteKey:
case ForwardDeleteKey:
case InsertParagraphSeparator:
case InsertLineBreak:
m_preservesTypingStyle = true;
return;
case InsertParagraphSeparatorInQuotedContent:
case InsertText:
m_preservesTypingStyle = false;
return;
}
ASSERT_NOT_REACHED();
m_preservesTypingStyle = false;
}
bool TypingCommand::isTypingCommand() const
{
return true;
}
bool TypingCommand::callsAppliedEditingInDoApply() const
{
return true;
}
} // namespace WebCore