vcl/source/graphic/UnoGraphicObject.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 <cppuhelper/implbase.hxx>
  22 #include <cppuhelper/supportsservice.hxx>
  23 #include <com/sun/star/graphic/XGraphicObject.hpp>
  24 #include <com/sun/star/lang/XServiceInfo.hpp>
  25 #include <com/sun/star/uno/XComponentContext.hpp>
  26 #include <vcl/GraphicObject.hxx>
  27
  28 using namespace css;
  29
  30 namespace {
  31
  32 typedef ::cppu::WeakImplHelper<graphic::XGraphicObject, css::lang::XServiceInfo> GraphicObject_BASE;
  33
  34  // Simple uno wrapper around the GraphicObject class to allow basic
  35  // access. ( and solves a horrible cyclic link problem between
  36  // goodies/toolkit/extensions )
  37 class GraphicObjectImpl : public GraphicObject_BASE
  38 {
  39      osl::Mutex m_aMutex;
  40      std::unique_ptr<GraphicObject> mpGraphicObject;
  41
  42 public:
  43     /// @throws uno::RuntimeException
  44     explicit GraphicObjectImpl(uno::Sequence<uno::Any> const & rArgs);
  45
  46      // XGraphicObject
  47     virtual uno::Reference<graphic::XGraphic> SAL_CALL getGraphic() override;
  48     virtual void SAL_CALL setGraphic(uno::Reference<graphic::XGraphic> const & rxGraphic) override;
  49
  50     virtual OUString SAL_CALL getImplementationName() override
  51     {
  52         return "com.sun.star.graphic.GraphicObject";
  53     }
  54
  55     virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
  56     {
  57         return cppu::supportsService(this, ServiceName);
  58     }
  59
  60     virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
  61     {
  62         return uno::Sequence<OUString> { "com.sun.star.graphic.GraphicObject" };
  63     }
  64 };
  65
  66 GraphicObjectImpl::GraphicObjectImpl(const uno::Sequence<uno::Any>& /*rArgs*/)
  67 {
  68     mpGraphicObject.reset(new GraphicObject());
  69 }
  70
  71 uno::Reference<graphic::XGraphic> SAL_CALL GraphicObjectImpl::getGraphic()
  72 {
  73     osl::MutexGuard aGuard(m_aMutex);
  74
  75     if (!mpGraphicObject)
  76         throw uno::RuntimeException();
  77     return mpGraphicObject->GetGraphic().GetXGraphic();
  78 }
  79
  80 void SAL_CALL GraphicObjectImpl::setGraphic(uno::Reference<graphic::XGraphic> const & rxGraphic)
  81 {
  82     osl::MutexGuard aGuard(m_aMutex);
  83
  84     if (!mpGraphicObject)
  85         throw uno::RuntimeException();
  86     Graphic aGraphic(rxGraphic);
  87     mpGraphicObject->SetGraphic(aGraphic);
  88 }
  89
  90 } // end anonymous namespace
  91
  92 extern "C" SAL_DLLPUBLIC_EXPORT
  93 css::uno::XInterface* com_sun_star_graphic_GraphicObject_get_implementation(
  94                             SAL_UNUSED_PARAMETER uno::XComponentContext*,
  95                             uno::Sequence<uno::Any> const & rArguments)
  96 {
  97     return cppu::acquire(new GraphicObjectImpl(rArguments));
  98 }
  99
 100 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */