svx/source/accessibility/AccessibleTextEventQueue.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <memory>
  21 #include "AccessibleTextEventQueue.hxx"
  22
  23 #include <editeng/unoedhlp.hxx>
  24 #include <svx/svdmodel.hxx>
  25 #include <svx/svdpntv.hxx>
  26
  27 namespace accessibility
  28 {
  29
  30
  31     // EventQueue implementation
  32
  33
  34     AccessibleTextEventQueue::AccessibleTextEventQueue()
  35     {
  36     }
  37
  38     AccessibleTextEventQueue::~AccessibleTextEventQueue()
  39     {
  40         Clear();
  41     }
  42
  43     void AccessibleTextEventQueue::Append( const SdrHint& rHint )
  44     {
  45         // only enqueue the events we actually care about in
  46         // AccessibleTextHelper_Impl::ProcessQueue(), because
  47         // the cost of some events adds up.
  48         auto eKind = rHint.GetKind();
  49         if (eKind == SdrHintKind::BeginEdit
  50             || eKind == SdrHintKind::EndEdit)
  51             maEventQueue.push_back( new SdrHint( rHint ) );
  52     }
  53
  54     void AccessibleTextEventQueue::Append( const TextHint& rHint )
  55     {
  56         maEventQueue.push_back( new TextHint( rHint ) );
  57     }
  58
  59     void AccessibleTextEventQueue::Append( const SvxViewChangedHint& rHint )
  60     {
  61         maEventQueue.push_back( new SvxViewChangedHint( rHint ) );
  62     }
  63
  64     void AccessibleTextEventQueue::Append( const SvxEditSourceHint& rHint )
  65     {
  66         maEventQueue.push_back( new SvxEditSourceHint( rHint ) );
  67     }
  68
  69     ::std::unique_ptr< SfxHint > AccessibleTextEventQueue::PopFront()
  70     {
  71         ::std::unique_ptr< SfxHint > aRes( *(maEventQueue.begin()) );
  72         maEventQueue.pop_front();
  73         return aRes;
  74     }
  75
  76     bool AccessibleTextEventQueue::IsEmpty() const
  77     {
  78         return maEventQueue.empty();
  79     }
  80
  81     void AccessibleTextEventQueue::Clear()
  82     {
  83         // clear queue
  84         for( auto p : maEventQueue)
  85             delete p;
  86         maEventQueue.clear();
  87     }
  88
  89 } // end of namespace accessibility
  90
  91
  92 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */