/* -*- 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 <memory>

#include "AccessibleTextEventQueue.hxx"

#include <editeng/unoedhlp.hxx>

#include <svx/svdmodel.hxx>

#include <svx/svdpntv.hxx>

namespace accessibility

{

// EventQueue implementation

AccessibleTextEventQueue::AccessibleTextEventQueue() {}

AccessibleTextEventQueue::~AccessibleTextEventQueue() { Clear(); }

void AccessibleTextEventQueue::Append(const SdrHint& rHint)

{

    // only enqueue the events we actually care about in

    // AccessibleTextHelper_Impl::ProcessQueue(), because

    // the cost of some events adds up.

    auto eKind = rHint.GetKind();

    if (eKind == SdrHintKind::BeginEdit || eKind == SdrHintKind::EndEdit)

        maEventQueue.push_back(new SdrHint(rHint));

}

void AccessibleTextEventQueue::Append(const TextHint& rHint)

{

    maEventQueue.push_back(new TextHint(rHint));

}

void AccessibleTextEventQueue::Append(const SvxViewChangedHint& rHint)

{

    maEventQueue.push_back(new SvxViewChangedHint(rHint));

}

void AccessibleTextEventQueue::Append(const SvxEditSourceHint& rHint)

{

    maEventQueue.push_back(new SvxEditSourceHint(rHint));

}

::std::unique_ptr<SfxHint> AccessibleTextEventQueue::PopFront()

{

    assert(!maEventQueue.empty());

    ::std::unique_ptr<SfxHint> aRes(*(maEventQueue.begin()));

    maEventQueue.pop_front();

    return aRes;

}

bool AccessibleTextEventQueue::IsEmpty() const { return maEventQueue.empty(); }

void AccessibleTextEventQueue::Clear()

{

    // clear queue

    for (auto p : maEventQueue)

        delete p;

    maEventQueue.clear();

}

} // end of namespace accessibility

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