/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the Collabora Office 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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