Introduce headless switch for X / cairo / toolkit less build

The plan is to reduce dependencies to be easier to deploy
libreoffice server side in headless mode.

1 files changed, 135 insertions, 0 deletions

diff --git a/vcl/headless/headlessinst.cxx b/vcl/headless/headlessinst.cxx
new file mode 100644
index 000000000000..bde892fa7c23
--- /dev/null
+++ b/vcl/headless/headlessinst.cxx
@@ -0,0 +1,135 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Version: MPL 1.1 / GPLv3+ / LGPLv3+
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License or as specified alternatively below. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * Major Contributor(s):
+ *   Copyright (C) 2012 Novell, Inc.
+ *   Michael Meeks <michael.meeks@suse.com> (initial developer)
+ *
+ * All Rights Reserved.
+ *
+ * For minor contributions see the git repository.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
+ * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
+ * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
+ * instead of those above.
+ */
+#include <headless/svpinst.hxx>
+#include <headless/svpdummies.hxx>
+#include <generic/gendata.hxx>
+
+class HeadlessSalInstance : public SvpSalInstance
+{
+public:
+    HeadlessSalInstance( SalYieldMutex *pMutex );
+    virtual ~HeadlessSalInstance();
+
+    virtual SalSystem* CreateSalSystem();
+};
+
+HeadlessSalInstance::HeadlessSalInstance( SalYieldMutex *pMutex ) :
+    SvpSalInstance( pMutex)
+{
+}
+
+HeadlessSalInstance::~HeadlessSalInstance()
+{
+}
+
+class HeadlessSalSystem : public SvpSalSystem {
+#if 0
+public:
+    AndroidSalSystem() : SvpSalSystem() {}
+    virtual ~AndroidSalSystem() {}
+    virtual int ShowNativeDialog( const rtl::OUString& rTitle,
+                                  const rtl::OUString& rMessage,
+                                  const std::list< rtl::OUString >& rButtons,
+                                  int nDefButton )
+    {
+        (void)rButtons; (void)nDefButton;
+        __android_log_print(ANDROID_LOG_INFO, "LibreOffice - dialog '%s': '%s'",
+                            rtl::OUStringToOString(rTitle, RTL_TEXTENCODING_ASCII_US).getStr(),
+                            rtl::OUStringToOString(rMessage, RTL_TEXTENCODING_ASCII_US).getStr());
+        return 0;
+    }
+#endif
+};
+
+SalSystem *HeadlessSalInstance::CreateSalSystem()
+{
+    return new HeadlessSalSystem();
+}
+
+class HeadlessSalData : public SalGenericData
+{
+public:
+    HeadlessSalData( SalInstance *pInstance ) : SalGenericData( SAL_DATA_HEADLESS, pInstance ) {}
+    virtual void ErrorTrapPush() {}
+    virtual bool ErrorTrapPop( bool ) { return false; }
+};
+
+// All the interesting stuff is slaved from the AndroidSalInstance
+void InitSalData()   {}
+void DeInitSalData() {}
+void InitSalMain()   {}
+void DeInitSalMain() {}
+
+void SalAbort( const rtl::OUString& rErrorText, bool bDumpCore )
+{
+    rtl::OUString aError( rErrorText );
+    if( aError.isEmpty() )
+        aError = rtl::OUString::createFromAscii("Unknown application error");
+    ::fprintf( stderr, "%s\n", rtl::OUStringToOString(rErrorText, osl_getThreadTextEncoding()).getStr() );
+
+    ::fprintf( stderr, "SalAbort: '%s'",
+                        rtl::OUStringToOString(aError, RTL_TEXTENCODING_ASCII_US).getStr());
+    if( bDumpCore )
+        abort();
+    else
+        _exit(1);
+}
+
+const OUString& SalGetDesktopEnvironment()
+{
+    static rtl::OUString aEnv( RTL_CONSTASCII_USTRINGPARAM( "headless" ) );
+    return aEnv;
+}
+
+SalData::SalData() :
+    m_pInstance( 0 ),
+    m_pPlugin( 0 ),
+    m_pPIManager(0 )
+{
+}
+
+SalData::~SalData()
+{
+}
+
+// This is our main entry point:
+SalInstance *CreateSalInstance()
+{
+    HeadlessSalInstance* pInstance = new HeadlessSalInstance( new SalYieldMutex() );
+    new HeadlessSalData( pInstance );
+    return pInstance;
+}
+
+void DestroySalInstance( SalInstance *pInst )
+{
+    pInst->ReleaseYieldMutex();
+    delete pInst;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */