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/*
* Copyright (C) 2005, 2006, 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 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 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.
*/
#pragma once
#include "CompositeEditCommand.h"
namespace WebCore {
class DocumentMarkerController;
class Text;
class TextInsertionMarkerSupplier : public RefCounted<TextInsertionMarkerSupplier> {
public:
virtual ~TextInsertionMarkerSupplier() = default;
virtual void addMarkersToTextNode(Text&, unsigned offsetOfInsertion, const String& textInserted) = 0;
protected:
TextInsertionMarkerSupplier() = default;
};
class InsertTextCommand : public CompositeEditCommand {
public:
enum RebalanceType {
RebalanceLeadingAndTrailingWhitespaces,
RebalanceAllWhitespaces
};
static Ref<InsertTextCommand> create(Document& document, const String& text, bool selectInsertedText = false,
RebalanceType rebalanceType = RebalanceLeadingAndTrailingWhitespaces, EditAction editingAction = EditAction::Insert)
{
return adoptRef(*new InsertTextCommand(document, text, selectInsertedText, rebalanceType, editingAction));
}
static Ref<InsertTextCommand> createWithMarkerSupplier(Document& document, const String& text, Ref<TextInsertionMarkerSupplier>&& markerSupplier, EditAction editingAction = EditAction::Insert)
{
return adoptRef(*new InsertTextCommand(document, text, WTFMove(markerSupplier), editingAction));
}
protected:
InsertTextCommand(Document&, const String& text, Ref<TextInsertionMarkerSupplier>&&, EditAction);
InsertTextCommand(Document&, const String& text, bool selectInsertedText, RebalanceType, EditAction);
private:
void deleteCharacter();
void doApply() override;
bool isInsertTextCommand() const override { return true; }
Position positionInsideTextNode(const Position&);
Position insertTab(const Position&);
bool performTrivialReplace(const String&, bool selectInsertedText);
bool performOverwrite(const String&, bool selectInsertedText);
void setEndingSelectionWithoutValidation(const Position& startPosition, const Position& endPosition);
friend class TypingCommand;
String m_text;
bool m_selectInsertedText;
RebalanceType m_rebalanceType;
RefPtr<TextInsertionMarkerSupplier> m_markerSupplier;
};
} // namespace WebCore
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