227 lines
7.7 KiB
C++
227 lines
7.7 KiB
C++
/*
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* Copyright (C) 2005, 2006, 2007, 2013 Apple, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "EditCommand.h"
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#include "AXObjectCache.h"
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#include "CompositeEditCommand.h"
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#include "Document.h"
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#include "Editing.h"
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#include "Editor.h"
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#include "Element.h"
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#include "HTMLTextFormControlElement.h"
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#include "NodeTraversal.h"
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namespace WebCore {
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String inputTypeNameForEditingAction(EditAction action)
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{
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switch (action) {
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case EditAction::Justify:
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return "formatJustifyFull"_s;
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case EditAction::AlignLeft:
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return "formatJustifyLeft"_s;
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case EditAction::AlignRight:
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return "formatJustifyRight"_s;
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case EditAction::Center:
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return "formatJustifyCenter"_s;
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case EditAction::Subscript:
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return "formatSubscript"_s;
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case EditAction::Superscript:
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return "formatSuperscript"_s;
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case EditAction::Underline:
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return "formatUnderline"_s;
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case EditAction::StrikeThrough:
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return "formatStrikeThrough"_s;
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case EditAction::SetColor:
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return "formatFontColor"_s;
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case EditAction::DeleteByDrag:
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return "deleteByDrag"_s;
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case EditAction::Cut:
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return "deleteByCut"_s;
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case EditAction::Bold:
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return "formatBold"_s;
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case EditAction::Italics:
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return "formatItalic"_s;
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case EditAction::Paste:
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return "insertFromPaste"_s;
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case EditAction::Delete:
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case EditAction::TypingDeleteSelection:
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return "deleteContent"_s;
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case EditAction::TypingDeleteBackward:
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return "deleteContentBackward"_s;
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case EditAction::TypingDeleteForward:
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return "deleteContentForward"_s;
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case EditAction::TypingDeleteWordBackward:
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return "deleteWordBackward"_s;
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case EditAction::TypingDeleteWordForward:
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return "deleteWordForward"_s;
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case EditAction::TypingDeleteLineBackward:
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return "deleteHardLineBackward"_s;
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case EditAction::TypingDeleteLineForward:
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return "deleteHardLineForward"_s;
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case EditAction::TypingDeletePendingComposition:
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return "deleteCompositionText"_s;
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case EditAction::TypingDeleteFinalComposition:
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return "deleteByComposition"_s;
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case EditAction::Insert:
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case EditAction::TypingInsertText:
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return "insertText"_s;
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case EditAction::InsertReplacement:
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return "insertReplacementText"_s;
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case EditAction::InsertFromDrop:
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return "insertFromDrop"_s;
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case EditAction::TypingInsertLineBreak:
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return "insertLineBreak"_s;
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case EditAction::TypingInsertParagraph:
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return "insertParagraph"_s;
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case EditAction::InsertOrderedList:
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return "insertOrderedList"_s;
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case EditAction::InsertUnorderedList:
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return "insertUnorderedList"_s;
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case EditAction::TypingInsertPendingComposition:
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return "insertCompositionText"_s;
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case EditAction::TypingInsertFinalComposition:
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return "insertFromComposition"_s;
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case EditAction::Indent:
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return "formatIndent"_s;
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case EditAction::Outdent:
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return "formatOutdent"_s;
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case EditAction::SetInlineWritingDirection:
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return "formatSetInlineTextDirection"_s;
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case EditAction::SetBlockWritingDirection:
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return "formatSetBlockTextDirection"_s;
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case EditAction::CreateLink:
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return "insertLink"_s;
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default:
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return emptyString();
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}
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}
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EditCommand::EditCommand(Document& document, EditAction editingAction)
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: m_document { document }
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, m_startingSelection { m_document->selection().selection() }
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, m_endingSelection { m_startingSelection }
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, m_editingAction { editingAction }
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{
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}
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EditCommand::EditCommand(Document& document, const VisibleSelection& startingSelection, const VisibleSelection& endingSelection)
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: m_document { document }
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, m_startingSelection { startingSelection }
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, m_endingSelection { endingSelection }
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{
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}
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EditCommand::~EditCommand() = default;
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EditAction EditCommand::editingAction() const
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{
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return m_editingAction;
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}
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static RefPtr<EditCommandComposition> compositionIfPossible(EditCommand& command)
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{
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if (!command.isCompositeEditCommand())
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return nullptr;
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return static_cast<CompositeEditCommand&>(command).composition();
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}
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bool EditCommand::isEditingTextAreaOrTextInput() const
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{
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return enclosingTextFormControl(m_document->selection().selection().start());
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}
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void EditCommand::setStartingSelection(const VisibleSelection& selection)
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{
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for (auto command = makeRefPtr(this); ; command = command->m_parent.get()) {
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if (auto composition = compositionIfPossible(*command))
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composition->setStartingSelection(selection);
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command->m_startingSelection = selection;
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if (!command->m_parent || command->m_parent->isFirstCommand(command.get()))
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break;
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}
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}
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void EditCommand::setEndingSelection(const VisibleSelection& selection)
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{
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for (auto command = makeRefPtr(this); command; command = command->m_parent.get()) {
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if (auto composition = compositionIfPossible(*command))
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composition->setEndingSelection(selection);
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command->m_endingSelection = selection;
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}
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}
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void EditCommand::setParent(CompositeEditCommand* parent)
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{
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ASSERT((parent && !m_parent) || (!parent && m_parent));
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m_parent = makeWeakPtr(parent);
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if (parent) {
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m_startingSelection = parent->m_endingSelection;
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m_endingSelection = parent->m_endingSelection;
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}
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}
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void EditCommand::postTextStateChangeNotification(AXTextEditType type, const String& text)
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{
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if (!AXObjectCache::accessibilityEnabled())
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return;
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postTextStateChangeNotification(type, text, m_document->selection().selection().start());
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}
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void EditCommand::postTextStateChangeNotification(AXTextEditType type, const String& text, const VisiblePosition& position)
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{
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if (!AXObjectCache::accessibilityEnabled())
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return;
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if (!text.length())
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return;
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auto* cache = document().existingAXObjectCache();
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if (!cache)
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return;
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auto node = makeRefPtr(highestEditableRoot(position.deepEquivalent(), HasEditableAXRole));
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cache->postTextStateChangeNotification(node.get(), type, text, position);
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}
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SimpleEditCommand::SimpleEditCommand(Document& document, EditAction editingAction)
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: EditCommand(document, editingAction)
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{
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}
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void SimpleEditCommand::doReapply()
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{
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doApply();
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}
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#ifndef NDEBUG
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void SimpleEditCommand::addNodeAndDescendants(Node* startNode, HashSet<Ref<Node>>& nodes)
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{
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for (Node* node = startNode; node; node = NodeTraversal::next(*node, startNode))
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nodes.add(*node);
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}
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#endif
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} // namespace WebCore
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