sfx2/source/notify/hintpost.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 <hintpost.hxx>
  21
  22 #include <sfx2/request.hxx>
  23 #include <sfx2/lokhelper.hxx>
  24 #include <utility>
  25 #include <vcl/svapp.hxx>
  26 #include <comphelper/lok.hxx>
  27
  28 SfxHintPoster::SfxHintPoster(SfxDispatcher* aLink)
  29     : m_Link(aLink)
  30 {
  31 }
  32
  33 SfxHintPoster::~SfxHintPoster() {}
  34
  35 void SfxHintPoster::Post(std::unique_ptr<SfxRequest> pHintToPost)
  36 {
  37     if (comphelper::LibreOfficeKit::isActive())
  38     {
  39         // Store the LOK view at the time of posting, so we can restore it later.
  40         if (SfxLokHelper::isSettingView())
  41         {
  42             // This would be bad, setView() should not trigger new posted hints, otherwise this will
  43             // never end if the view doesn't match when we execute the posted hint.
  44             SAL_WARN("sfx.notify", "SfxHintPoster::Post: posting new hint during setting a view");
  45         }
  46
  47         pHintToPost->SetLokViewId(SfxLokHelper::getView());
  48     }
  49
  50     Application::PostUserEvent((LINK(this, SfxHintPoster, DoEvent_Impl)), pHintToPost.release());
  51     AddFirstRef();
  52 }
  53
  54 IMPL_LINK(SfxHintPoster, DoEvent_Impl, void*, pPostedHint, void)
  55 {
  56     auto pRequest = static_cast<SfxRequest*>(pPostedHint);
  57     if (m_Link)
  58     {
  59         bool bSetView = false;
  60         int nOldId = -1;
  61         if (comphelper::LibreOfficeKit::isActive())
  62         {
  63             int nNewId = pRequest->GetLokViewId();
  64             nOldId = SfxLokHelper::getView();
  65             if (nNewId != -1 && nNewId != nOldId)
  66             {
  67                 // The current view ID is not the one that was active when posting the hint, switch
  68                 // to it.
  69                 SfxLokHelper::setView(nNewId);
  70                 bSetView = true;
  71             }
  72         }
  73
  74         m_Link->PostMsgHandler(std::unique_ptr<SfxRequest>(pRequest));
  75
  76         if (bSetView)
  77         {
  78             SfxLokHelper::setView(nOldId);
  79         }
  80     }
  81     else
  82         delete pRequest;
  83     ReleaseRef();
  84 }
  85
  86 void SfxHintPoster::ClearLink() { m_Link = nullptr; }
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */