sd/source/ui/tools/SdGlobalResourceContainer.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 <tools/SdGlobalResourceContainer.hxx>
  21
  22 #include <../cache/SlsCacheConfiguration.hxx>
  23
  24 #include <comphelper/processfactory.hxx>
  25 #include <comphelper/unique_disposing_ptr.hxx>
  26
  27 #include <com/sun/star/frame/Desktop.hpp>
  28
  29 #include <rtl/instance.hxx>
  30 #include <sal/log.hxx>
  31 #include <tools/debug.hxx>
  32
  33 #include <algorithm>
  34 #include <memory>
  35 #include <vector>
  36
  37 using namespace ::com::sun::star;
  38 using namespace ::com::sun::star::uno;
  39
  40 namespace sd {
  41
  42 class SdGlobalResourceContainerInstance
  43     : public comphelper::unique_disposing_solar_mutex_reset_ptr<SdGlobalResourceContainer>
  44 {
  45 public:
  46     SdGlobalResourceContainerInstance()
  47         : comphelper::unique_disposing_solar_mutex_reset_ptr<SdGlobalResourceContainer>(
  48             uno::Reference<lang::XComponent>(frame::Desktop::create(comphelper::getProcessComponentContext()), uno::UNO_QUERY_THROW),
  49             new SdGlobalResourceContainer, true)
  50     {
  51     }
  52 };
  53
  54 namespace {
  55
  56 struct theSdGlobalResourceContainerInstance : public rtl::Static<SdGlobalResourceContainerInstance, theSdGlobalResourceContainerInstance> {};
  57
  58 } // namespace
  59
  60 //===== SdGlobalResourceContainer::Implementation =============================
  61
  62 class SdGlobalResourceContainer::Implementation
  63 {
  64 private:
  65     friend class SdGlobalResourceContainer;
  66
  67     ::osl::Mutex maMutex;
  68
  69     /** All instances of SdGlobalResource in this vector are owned by the
  70         container and will be destroyed when the container is destroyed.
  71     */
  72     std::vector<std::unique_ptr<SdGlobalResource>> maResources;
  73
  74     typedef ::std::vector<std::shared_ptr<SdGlobalResource> > SharedResourceList;
  75     SharedResourceList maSharedResources;
  76
  77     typedef ::std::vector<Reference<XInterface> > XInterfaceResourceList;
  78     XInterfaceResourceList maXInterfaceResources;
  79 };
  80
  81 // static
  82 SdGlobalResourceContainer& SdGlobalResourceContainer::Instance()
  83 {
  84     SdGlobalResourceContainer *const pRet(theSdGlobalResourceContainerInstance::get().get());
  85     assert(pRet); // error if it has been deleted and is null
  86     return *pRet;
  87 }
  88
  89 //===== SdGlobalResourceContainer =============================================
  90
  91 void SdGlobalResourceContainer::AddResource (
  92     ::std::unique_ptr<SdGlobalResource> pResource)
  93 {
  94     ::osl::MutexGuard aGuard (mpImpl->maMutex);
  95
  96     assert( std::none_of(
  97                 mpImpl->maResources.begin(),
  98                 mpImpl->maResources.end(),
  99                 [&](const std::unique_ptr<SdGlobalResource>& p) { return p == pResource; })
 100             && "duplicate resource?");
 101
 102     mpImpl->maResources.push_back(std::move(pResource));
 103 }
 104
 105 void SdGlobalResourceContainer::AddResource (
 106     const std::shared_ptr<SdGlobalResource>& pResource)
 107 {
 108     ::osl::MutexGuard aGuard (mpImpl->maMutex);
 109
 110     Implementation::SharedResourceList::iterator iResource = ::std::find (
 111         mpImpl->maSharedResources.begin(),
 112         mpImpl->maSharedResources.end(),
 113         pResource);
 114     if (iResource == mpImpl->maSharedResources.end())
 115         mpImpl->maSharedResources.push_back(pResource);
 116     else
 117     {
 118         SAL_WARN ("sd.tools",
 119             "SdGlobalResourceContainer:AddResource(): Resource added twice.");
 120     }
 121 }
 122
 123 void SdGlobalResourceContainer::AddResource (const Reference<XInterface>& rxResource)
 124 {
 125     ::osl::MutexGuard aGuard (mpImpl->maMutex);
 126
 127     Implementation::XInterfaceResourceList::iterator iResource = ::std::find (
 128         mpImpl->maXInterfaceResources.begin(),
 129         mpImpl->maXInterfaceResources.end(),
 130         rxResource);
 131     if (iResource == mpImpl->maXInterfaceResources.end())
 132         mpImpl->maXInterfaceResources.push_back(rxResource);
 133     else
 134     {
 135         SAL_WARN ("sd.tools",
 136             "SdGlobalResourceContainer:AddResource(): Resource added twice.");
 137     }
 138 }
 139
 140 SdGlobalResourceContainer::SdGlobalResourceContainer()
 141     : mpImpl (new SdGlobalResourceContainer::Implementation)
 142 {
 143 }
 144
 145 SdGlobalResourceContainer::~SdGlobalResourceContainer()
 146 {
 147     ::osl::MutexGuard aGuard (mpImpl->maMutex);
 148
 149     // Release the resources in reversed order of their addition to the
 150     // container.  This is because a resource A added before resource B
 151     // may have been created due to a request of B.  Thus B depends on A and
 152     // should be destroyed first.
 153     for (auto iResource = mpImpl->maResources.rbegin();
 154          iResource != mpImpl->maResources.rend();
 155          ++iResource)
 156     {
 157         iResource->reset();
 158     }
 159
 160
 161     // The SharedResourceList has not to be released manually.  We just
 162     // assert resources that are still held by someone other than us.
 163     Implementation::SharedResourceList::reverse_iterator iSharedResource;
 164     for (iSharedResource = mpImpl->maSharedResources.rbegin();
 165          iSharedResource != mpImpl->maSharedResources.rend();
 166          ++iSharedResource)
 167     {
 168         if (iSharedResource->use_count() > 1)
 169         {
 170             SdGlobalResource* pResource = iSharedResource->get();
 171             SAL_INFO(
 172                 "sd.tools", pResource << " " << iSharedResource->use_count());
 173             DBG_ASSERT(iSharedResource->use_count() == 1,
 174                 "SdGlobalResource still held in ~SdGlobalResourceContainer");
 175         }
 176     }
 177
 178     Implementation::XInterfaceResourceList::reverse_iterator iXInterfaceResource;
 179     for (iXInterfaceResource = mpImpl->maXInterfaceResources.rbegin();
 180          iXInterfaceResource != mpImpl->maXInterfaceResources.rend();
 181          ++iXInterfaceResource)
 182     {
 183         Reference<lang::XComponent> xComponent (*iXInterfaceResource, UNO_QUERY);
 184         *iXInterfaceResource = nullptr;
 185         if (xComponent.is())
 186             xComponent->dispose();
 187     }
 188
 189     sd::slidesorter::cache::CacheConfiguration::Shutdown();
 190 }
 191
 192 } // end of namespace sd
 193
 194 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */