Source/WebCore/editing/ReplaceRangeWithTextCommand.cpp

/*
 * Copyright (C) 2016 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
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    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
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#include "config.h"
#include "ReplaceRangeWithTextCommand.h"

#include "AlternativeTextController.h"
#include "Document.h"
#include "DocumentFragment.h"
#include "Editor.h"
#include "Frame.h"
#include "ReplaceSelectionCommand.h"
#include "SetSelectionCommand.h"
#include "TextIterator.h"
#include "markup.h"

namespace WebCore {

ReplaceRangeWithTextCommand::ReplaceRangeWithTextCommand(RefPtr<Range> rangeToBeReplaced, const String& text)
    : CompositeEditCommand(rangeToBeReplaced->startContainer().document())
    , m_rangeToBeReplaced(rangeToBeReplaced)
    , m_text(text)
{
}

void ReplaceRangeWithTextCommand::doApply()
{
    VisibleSelection selection = *m_rangeToBeReplaced;

    if (!m_rangeToBeReplaced)
        return;

    if (!frame().selection().shouldChangeSelection(selection))
        return;

    String previousText = plainText(m_rangeToBeReplaced.get());
    if (!previousText.length())
        return;

    applyCommandToComposite(SetSelectionCommand::create(selection, FrameSelection::defaultSetSelectionOptions()));

    auto fragment = createFragmentFromText(*m_rangeToBeReplaced, m_text);
    applyCommandToComposite(ReplaceSelectionCommand::create(document(), WTFMove(fragment), ReplaceSelectionCommand::MatchStyle, EditActionPaste));
}

} // namespace WebCore