1 files changed, 101 insertions, 0 deletions
diff --git a/vcl/headless/headlessinst.cxx b/vcl/headless/headlessinst.cxx
new file mode 100644
index 000000000..e1694c429
--- /dev/null
+++ b/vcl/headless/headlessinst.cxx
@@ -0,0 +1,101 @@
+/* -*- 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 <headless/svpinst.hxx>
+#include <headless/svpdummies.hxx>
+#include <unx/gendata.hxx>
+
+class HeadlessSalInstance : public SvpSalInstance
+{
+public:
+    explicit HeadlessSalInstance(std::unique_ptr<SalYieldMutex> pMutex);
+
+    virtual SalSystem* CreateSalSystem() override;
+};
+
+HeadlessSalInstance::HeadlessSalInstance(std::unique_ptr<SalYieldMutex> pMutex)
+    : SvpSalInstance(std::move(pMutex))
+{
+}
+
+class HeadlessSalSystem : public SvpSalSystem {
+public:
+    HeadlessSalSystem() : SvpSalSystem() {}
+    virtual int ShowNativeDialog( const OUString& rTitle,
+                                  const OUString& rMessage,
+                                  const std::vector< OUString >& rButtons ) override
+    {
+        (void)rButtons;
+        SAL_INFO("vcl.headless",
+                "LibreOffice - dialog '"
+                << rTitle << "': '"
+                << rMessage << "'");
+        return 0;
+    }
+};
+
+SalSystem *HeadlessSalInstance::CreateSalSystem()
+{
+    return new HeadlessSalSystem();
+}
+
+class HeadlessSalData : public GenericUnixSalData
+{
+public:
+    explicit HeadlessSalData( SalInstance *pInstance ) : GenericUnixSalData( SAL_DATA_HEADLESS, pInstance ) {}
+    virtual void ErrorTrapPush() override {}
+    virtual bool ErrorTrapPop( bool ) override { return false; }
+};
+
+void SalAbort( const OUString& rErrorText, bool bDumpCore )
+{
+    OUString aError( rErrorText );
+    if( aError.isEmpty() )
+        aError = "Unknown application error";
+
+    SAL_WARN("vcl.headless", rErrorText);
+    SAL_INFO("vcl.headless", "SalAbort: '" << aError << "'.");
+
+    if( bDumpCore )
+        abort();
+    else
+        _exit(1);
+}
+
+const OUString& SalGetDesktopEnvironment()
+{
+    static OUString aEnv( "headless" );
+    return aEnv;
+}
+
+SalData::SalData() :
+    m_pInstance( nullptr ),
+    m_pPIManager( nullptr )
+{
+}
+
+SalData::~SalData()
+{
+}
+
+// This is our main entry point:
+SalInstance *CreateSalInstance()
+{
+    HeadlessSalInstance* pInstance = new HeadlessSalInstance(std::make_unique<SvpSalYieldMutex>());
+    new HeadlessSalData( pInstance );
+    pInstance->AcquireYieldMutex();
+    return pInstance;
+}
+
+void DestroySalInstance( SalInstance *pInst )
+{
+    pInst->ReleaseYieldMutexAll();
+    delete pInst;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */