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/*
* Copyright (C) 2005, 2006, 2007 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 "core/editing/commands/EditCommand.h"
#include "core/dom/Document.h"
#include "core/dom/NodeTraversal.h"
#include "core/editing/FrameSelection.h"
#include "core/editing/commands/CompositeEditCommand.h"
#include "core/frame/LocalFrame.h"
#include "core/layout/LayoutText.h"
namespace blink {
EditCommand::EditCommand(Document& document)
: m_document(&document), m_parent(nullptr) {
DCHECK(m_document);
DCHECK(m_document->frame());
}
EditCommand::~EditCommand() {}
InputEvent::InputType EditCommand::inputType() const {
return InputEvent::InputType::None;
}
String EditCommand::textDataForInputEvent() const {
return nullAtom;
}
bool EditCommand::isRenderedCharacter(const Position& position) {
if (position.isNull())
return false;
DCHECK(position.isOffsetInAnchor()) << position;
if (!position.anchorNode()->isTextNode())
return false;
LayoutObject* layoutObject = position.anchorNode()->layoutObject();
if (!layoutObject)
return false;
return toLayoutText(layoutObject)
->isRenderedCharacter(position.offsetInContainerNode());
}
void EditCommand::setParent(CompositeEditCommand* parent) {
DCHECK((parent && !m_parent) || (!parent && m_parent));
DCHECK(!parent || !isCompositeEditCommand() ||
!toCompositeEditCommand(this)->undoStep());
m_parent = parent;
}
void SimpleEditCommand::doReapply() {
EditingState editingState;
doApply(&editingState);
}
DEFINE_TRACE(EditCommand) {
visitor->trace(m_document);
visitor->trace(m_parent);
}
} // namespace blink
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