/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <impglyphitem.hxx>

SalLayoutGlyphs::SalLayoutGlyphs() {}

SalLayoutGlyphs::~SalLayoutGlyphs() {}

SalLayoutGlyphs::SalLayoutGlyphs(SalLayoutGlyphs&& rOther) noexcept
{
    std::swap(m_pImpl, rOther.m_pImpl);
    std::swap(m_pExtraImpls, rOther.m_pExtraImpls);
}

SalLayoutGlyphs& SalLayoutGlyphs::operator=(SalLayoutGlyphs&& rOther) noexcept
{
    if (this != &rOther)
    {
        std::swap(m_pImpl, rOther.m_pImpl);
        std::swap(m_pExtraImpls, rOther.m_pExtraImpls);
    }
    return *this;
}

bool SalLayoutGlyphs::IsValid() const
{
    if (m_pImpl == nullptr)
        return false;
    if (!m_pImpl->IsValid())
        return false;
    if (m_pExtraImpls)
        for (std::unique_ptr<SalLayoutGlyphsImpl> const& impl : *m_pExtraImpls)
            if (!impl->IsValid())
                return false;
    return true;
}

void SalLayoutGlyphs::Invalidate()
{
    // Invalidating is in fact simply clearing.
    m_pImpl.reset();
    m_pExtraImpls.reset();
}

SalLayoutGlyphsImpl* SalLayoutGlyphs::Impl(unsigned int nLevel) const
{
    if (nLevel == 0)
        return m_pImpl.get();
    if (m_pExtraImpls != nullptr && nLevel - 1 < m_pExtraImpls->size())
        return (*m_pExtraImpls)[nLevel - 1].get();
    return nullptr;
}

void SalLayoutGlyphs::AppendImpl(SalLayoutGlyphsImpl* pImpl)
{
    if (!m_pImpl)
        m_pImpl.reset(pImpl);
    else
    {
        if (!m_pExtraImpls)
            m_pExtraImpls.reset(new std::vector<std::unique_ptr<SalLayoutGlyphsImpl>>);
        m_pExtraImpls->emplace_back(pImpl);
    }
}

SalLayoutGlyphsImpl* SalLayoutGlyphsImpl::clone() const { return new SalLayoutGlyphsImpl(*this); }

bool SalLayoutGlyphsImpl::IsValid() const
{
    if (!m_rFontInstance.is())
        return false;
    if (empty())
        return false;
    return true;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */