Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Viewport/ViewportLocker.h @ 1973:596f4752fa42
added ViewportLocker
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 28 Oct 2022 16:23:18 +0200 |
parents | |
children | b31e494e34c5 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Viewport/ViewportLocker.h Fri Oct 28 16:23:18 2022 +0200 @@ -0,0 +1,61 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2022 Osimis S.A., Belgium + * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program. If not, see + * <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "IViewport.h" + +namespace OrthancStone +{ + class ViewportLocker : public boost::noncopyable + { + private: + boost::shared_ptr<IViewport> lock1_; + std::unique_ptr<IViewport::ILock> lock2_; + + IViewport::ILock& GetLock() const; + + public: + ViewportLocker(IViewport& viewport) : + lock2_(viewport.Lock()) + { + } + + ViewportLocker(boost::weak_ptr<IViewport> viewport); + + bool IsValid() const + { + return (lock2_.get() != NULL); + } + + ViewportController& GetController() const + { + return GetLock().GetController(); + } + + void Invalidate() const + { + return GetLock().Invalidate(); + } + }; +}