Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 197 insertions, 0 deletions

diff --git a/sd/source/ui/tools/SdGlobalResourceContainer.cxx b/sd/source/ui/tools/SdGlobalResourceContainer.cxx
new file mode 100644
index 000000000..a7dbc5f25
--- /dev/null
+++ b/sd/source/ui/tools/SdGlobalResourceContainer.cxx
@@ -0,0 +1,197 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <tools/SdGlobalResourceContainer.hxx>
+
+#include <../cache/SlsCacheConfiguration.hxx>
+
+#include <comphelper/processfactory.hxx>
+#include <comphelper/unique_disposing_ptr.hxx>
+
+#include <com/sun/star/frame/Desktop.hpp>
+
+#include <sal/log.hxx>
+#include <tools/debug.hxx>
+
+#include <algorithm>
+#include <memory>
+#include <vector>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace sd {
+
+class SdGlobalResourceContainerInstance
+    : public comphelper::unique_disposing_solar_mutex_reset_ptr<SdGlobalResourceContainer>
+{
+public:
+    SdGlobalResourceContainerInstance()
+        : comphelper::unique_disposing_solar_mutex_reset_ptr<SdGlobalResourceContainer>(
+            uno::Reference<lang::XComponent>(frame::Desktop::create(comphelper::getProcessComponentContext()), uno::UNO_QUERY_THROW),
+            new SdGlobalResourceContainer, true)
+    {
+    }
+};
+
+namespace {
+
+SdGlobalResourceContainerInstance& theSdGlobalResourceContainerInstance()
+{
+    static SdGlobalResourceContainerInstance SINGLETON;
+    return SINGLETON;
+}
+
+} // namespace
+
+//===== SdGlobalResourceContainer::Implementation =============================
+
+class SdGlobalResourceContainer::Implementation
+{
+private:
+    friend class SdGlobalResourceContainer;
+
+    ::osl::Mutex maMutex;
+
+    /** All instances of SdGlobalResource in this vector are owned by the
+        container and will be destroyed when the container is destroyed.
+    */
+    std::vector<std::unique_ptr<SdGlobalResource>> maResources;
+
+    typedef ::std::vector<std::shared_ptr<SdGlobalResource> > SharedResourceList;
+    SharedResourceList maSharedResources;
+
+    typedef ::std::vector<Reference<XInterface> > XInterfaceResourceList;
+    XInterfaceResourceList maXInterfaceResources;
+};
+
+// static
+SdGlobalResourceContainer& SdGlobalResourceContainer::Instance()
+{
+    SdGlobalResourceContainer *const pRet(theSdGlobalResourceContainerInstance().get());
+    assert(pRet); // error if it has been deleted and is null
+    return *pRet;
+}
+
+//===== SdGlobalResourceContainer =============================================
+
+void SdGlobalResourceContainer::AddResource (
+    ::std::unique_ptr<SdGlobalResource> pResource)
+{
+    ::osl::MutexGuard aGuard (mpImpl->maMutex);
+
+    assert( std::none_of(
+                mpImpl->maResources.begin(),
+                mpImpl->maResources.end(),
+                [&](const std::unique_ptr<SdGlobalResource>& p) { return p == pResource; })
+            && "duplicate resource?");
+
+    mpImpl->maResources.push_back(std::move(pResource));
+}
+
+void SdGlobalResourceContainer::AddResource (
+    const std::shared_ptr<SdGlobalResource>& pResource)
+{
+    ::osl::MutexGuard aGuard (mpImpl->maMutex);
+
+    Implementation::SharedResourceList::iterator iResource = ::std::find (
+        mpImpl->maSharedResources.begin(),
+        mpImpl->maSharedResources.end(),
+        pResource);
+    if (iResource == mpImpl->maSharedResources.end())
+        mpImpl->maSharedResources.push_back(pResource);
+    else
+    {
+        SAL_WARN ("sd.tools",
+            "SdGlobalResourceContainer:AddResource(): Resource added twice.");
+    }
+}
+
+void SdGlobalResourceContainer::AddResource (const Reference<XInterface>& rxResource)
+{
+    ::osl::MutexGuard aGuard (mpImpl->maMutex);
+
+    Implementation::XInterfaceResourceList::iterator iResource = ::std::find (
+        mpImpl->maXInterfaceResources.begin(),
+        mpImpl->maXInterfaceResources.end(),
+        rxResource);
+    if (iResource == mpImpl->maXInterfaceResources.end())
+        mpImpl->maXInterfaceResources.push_back(rxResource);
+    else
+    {
+        SAL_WARN ("sd.tools",
+            "SdGlobalResourceContainer:AddResource(): Resource added twice.");
+    }
+}
+
+SdGlobalResourceContainer::SdGlobalResourceContainer()
+    : mpImpl (new SdGlobalResourceContainer::Implementation)
+{
+}
+
+SdGlobalResourceContainer::~SdGlobalResourceContainer()
+{
+    ::osl::MutexGuard aGuard (mpImpl->maMutex);
+
+    // Release the resources in reversed order of their addition to the
+    // container.  This is because a resource A added before resource B
+    // may have been created due to a request of B.  Thus B depends on A and
+    // should be destroyed first.
+    for (auto iResource = mpImpl->maResources.rbegin();
+         iResource != mpImpl->maResources.rend();
+         ++iResource)
+    {
+        iResource->reset();
+    }
+
+
+    // The SharedResourceList has not to be released manually.  We just
+    // assert resources that are still held by someone other than us.
+    Implementation::SharedResourceList::reverse_iterator iSharedResource;
+    for (iSharedResource = mpImpl->maSharedResources.rbegin();
+         iSharedResource != mpImpl->maSharedResources.rend();
+         ++iSharedResource)
+    {
+        if (iSharedResource->use_count() > 1)
+        {
+            SdGlobalResource* pResource = iSharedResource->get();
+            SAL_INFO(
+                "sd.tools", pResource << " " << iSharedResource->use_count());
+            DBG_ASSERT(iSharedResource->use_count() == 1,
+                "SdGlobalResource still held in ~SdGlobalResourceContainer");
+        }
+    }
+
+    Implementation::XInterfaceResourceList::reverse_iterator iXInterfaceResource;
+    for (iXInterfaceResource = mpImpl->maXInterfaceResources.rbegin();
+         iXInterfaceResource != mpImpl->maXInterfaceResources.rend();
+         ++iXInterfaceResource)
+    {
+        Reference<lang::XComponent> xComponent (*iXInterfaceResource, UNO_QUERY);
+        *iXInterfaceResource = nullptr;
+        if (xComponent.is())
+            xComponent->dispose();
+    }
+
+    sd::slidesorter::cache::CacheConfiguration::Shutdown();
+}
+
+} // end of namespace sd
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */