1 files changed, 141 insertions, 0 deletions
diff --git a/basegfx/source/tools/systemdependentdata.cxx b/basegfx/source/tools/systemdependentdata.cxx
new file mode 100755
index 000000000000..ddb99b06e912
--- /dev/null
+++ b/basegfx/source/tools/systemdependentdata.cxx
@@ -0,0 +1,141 @@
+/* -*- 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/.
+ */
+
+#include <basegfx/tools/systemdependentdata.hxx>
+
+namespace basegfx
+{
+    SystemDependentDataManager::SystemDependentDataManager()
+    {
+    }
+
+    SystemDependentDataManager::~SystemDependentDataManager()
+    {
+    }
+} // namespace basegfx
+
+namespace basegfx
+{
+    MinimalSystemDependentDataManager::MinimalSystemDependentDataManager()
+    :   SystemDependentDataManager(),
+        maSystemDependentDataReferences()
+    {
+    }
+
+    MinimalSystemDependentDataManager::~MinimalSystemDependentDataManager()
+    {
+    }
+
+    void MinimalSystemDependentDataManager::startUsage(basegfx::SystemDependentData_SharedPtr& rData)
+    {
+        if(rData)
+        {
+            maSystemDependentDataReferences.insert(rData);
+        }
+    }
+
+    void MinimalSystemDependentDataManager::endUsage(basegfx::SystemDependentData_SharedPtr& rData)
+    {
+        if(rData)
+        {
+            maSystemDependentDataReferences.erase(rData);
+        }
+    }
+
+    void MinimalSystemDependentDataManager::touchUsage(basegfx::SystemDependentData_SharedPtr& /* rData */)
+    {
+    }
+
+    void MinimalSystemDependentDataManager::flushAll()
+    {
+        maSystemDependentDataReferences.clear();
+    }
+} // namespace basegfx
+
+namespace basegfx
+{
+    SystemDependentData::SystemDependentData(
+        SystemDependentDataManager& rSystemDependentDataManager,
+        sal_uInt32 nHoldCycles)
+    :   mrSystemDependentDataManager(rSystemDependentDataManager),
+        mnHoldCycles(nHoldCycles)
+    {
+    }
+
+    SystemDependentData::~SystemDependentData()
+    {
+    }
+} // namespace basegfx
+
+namespace basegfx
+{
+    SystemDependentDataHolder::SystemDependentDataHolder()
+    :   maSystemDependentReferences()
+    {
+    }
+
+    SystemDependentDataHolder::~SystemDependentDataHolder()
+    {
+        for(auto& candidate : maSystemDependentReferences)
+        {
+            basegfx::SystemDependentData_SharedPtr aData(candidate.second.lock());
+
+            if(aData)
+            {
+                aData->getSystemDependentDataManager().endUsage(aData);
+            }
+        }
+    }
+
+    void SystemDependentDataHolder::addOrReplaceSystemDependentData(basegfx::SystemDependentData_SharedPtr& rData)
+    {
+        const size_t hash_code(typeid(*rData.get()).hash_code());
+        auto result(maSystemDependentReferences.find(hash_code));
+
+        if(result != maSystemDependentReferences.end())
+        {
+            basegfx::SystemDependentData_SharedPtr aData(result->second.lock());
+
+            if(aData)
+            {
+                aData->getSystemDependentDataManager().endUsage(aData);
+            }
+
+            maSystemDependentReferences.erase(result);
+            result = maSystemDependentReferences.end();
+        }
+
+        maSystemDependentReferences[hash_code] = rData;
+        rData->getSystemDependentDataManager().startUsage(rData);
+    }
+
+    SystemDependentData_SharedPtr SystemDependentDataHolder::getSystemDependentData(size_t hash_code) const
+    {
+        basegfx::SystemDependentData_SharedPtr aRetval;
+        auto result(maSystemDependentReferences.find(hash_code));
+
+        if(result != maSystemDependentReferences.end())
+        {
+            aRetval = result->second.lock();
+
+            if(aRetval)
+            {
+                aRetval->getSystemDependentDataManager().touchUsage(aRetval);
+            }
+            else
+            {
+                const_cast< SystemDependentDataHolder* >(this)->maSystemDependentReferences.erase(result);
+            }
+        }
+
+        return aRetval;
+    }
+} // namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */