headless: move backend to top-level, and enable for all platforms

1 files changed, 203 insertions, 0 deletions

diff --git a/vcl/inc/headless/svpinst.hxx b/vcl/inc/headless/svpinst.hxx
new file mode 100644
index 000000000000..34a9c7f8ba2e
--- /dev/null
+++ b/vcl/inc/headless/svpinst.hxx
@@ -0,0 +1,203 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _SVP_SALINST_HXX
+#define _SVP_SALINST_HXX
+
+#include <vcl/solarmutex.hxx>
+
+#include <osl/mutex.hxx>
+#include <osl/thread.hxx>
+#include <salinst.hxx>
+#include <salwtype.hxx>
+#include <saltimer.hxx>
+#include <generic/geninst.h>
+
+#include <list>
+
+#include <time.h>  // timeval
+
+#define VIRTUAL_DESKTOP_WIDTH 1024
+#define VIRTUAL_DESKTOP_HEIGHT 768
+#define VIRTUAL_DESKTOP_DEPTH 24
+
+// -------------------------------------------------------------------------
+// SalYieldMutex
+// -------------------------------------------------------------------------
+
+class SvpSalYieldMutex : public ::vcl::SolarMutexObject
+{
+protected:
+    sal_uLong                                       mnCount;
+    oslThreadIdentifier mnThreadId;
+
+public:
+                                                SvpSalYieldMutex();
+
+    virtual void                                acquire();
+    virtual void                                release();
+    virtual sal_Bool                            tryToAcquire();
+
+    sal_uLong                                       GetAcquireCount() const { return mnCount; }
+    oslThreadIdentifier GetThreadId() const { return mnThreadId; }
+};
+
+// ---------------
+// - SalTimer -
+// ---------------
+class SvpSalInstance;
+class SvpSalTimer : public SalTimer
+{
+    SvpSalInstance* m_pInstance;
+public:
+    SvpSalTimer( SvpSalInstance* pInstance ) : m_pInstance( pInstance ) {}
+    virtual ~SvpSalTimer();
+
+    // overload all pure virtual methods
+    virtual void Start( sal_uLong nMS );
+    virtual void Stop();
+};
+
+// ---------------
+// - SalInstance -
+// ---------------
+class SvpSalFrame;
+class SvpSalInstance : public SalGenericInstance
+{
+    timeval             m_aTimeout;
+    sal_uLong               m_nTimeoutMS;
+    int                 m_pTimeoutFDS[2];
+    SvpSalYieldMutex    m_aYieldMutex;
+
+    // internal event queue
+    struct SalUserEvent
+    {
+        const SalFrame*     m_pFrame;
+        void*               m_pData;
+        sal_uInt16         m_nEvent;
+
+        SalUserEvent( const SalFrame* pFrame, void* pData, sal_uInt16 nEvent = SALEVENT_USEREVENT )
+                : m_pFrame( pFrame ),
+                  m_pData( pData ),
+                  m_nEvent( nEvent )
+        {}
+    };
+
+    oslMutex        m_aEventGuard;
+    std::list< SalUserEvent > m_aUserEvents;
+
+    std::list< SalFrame* > m_aFrames;
+
+    bool isFrameAlive( const SalFrame* pFrame ) const;
+
+public:
+    static SvpSalInstance* s_pDefaultInstance;
+
+    SvpSalInstance();
+    virtual ~SvpSalInstance();
+
+    void PostEvent( const SalFrame* pFrame, void* pData, sal_uInt16 nEvent );
+    void CancelEvent( const SalFrame* pFrame, void* pData, sal_uInt16 nEvent );
+
+    void StartTimer( sal_uLong nMS );
+    void StopTimer();
+    void Wakeup();
+
+    void registerFrame( SalFrame* pFrame ) { m_aFrames.push_back( pFrame ); }
+    void deregisterFrame( SalFrame* pFrame );
+    const std::list< SalFrame* >& getFrames() const { return m_aFrames; }
+
+    bool            CheckTimeout( bool bExecuteTimers = true );
+
+    // Frame
+    virtual SalFrame*       CreateChildFrame( SystemParentData* pParent, sal_uLong nStyle );
+    virtual SalFrame*       CreateFrame( SalFrame* pParent, sal_uLong nStyle );
+    virtual void            DestroyFrame( SalFrame* pFrame );
+
+    // Object (System Child Window)
+    virtual SalObject*      CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, sal_Bool bShow = sal_True );
+    virtual void            DestroyObject( SalObject* pObject );
+
+    // VirtualDevice
+    // nDX and nDY in Pixel
+    // nBitCount: 0 == Default(=as window) / 1 == Mono
+    // pData allows for using a system dependent graphics or device context
+    virtual SalVirtualDevice*   CreateVirtualDevice( SalGraphics* pGraphics,
+                                                     long nDX, long nDY,
+                                                     sal_uInt16 nBitCount, const SystemGraphicsData *pData = NULL );
+    virtual void                DestroyVirtualDevice( SalVirtualDevice* pDevice );
+
+    // Printer
+    // pSetupData->mpDriverData can be 0
+    // pSetupData must be updatet with the current
+    // JobSetup
+    virtual SalInfoPrinter* CreateInfoPrinter( SalPrinterQueueInfo* pQueueInfo,
+                                               ImplJobSetup* pSetupData );
+    virtual void            DestroyInfoPrinter( SalInfoPrinter* pPrinter );
+    virtual SalPrinter*     CreatePrinter( SalInfoPrinter* pInfoPrinter );
+    virtual void            DestroyPrinter( SalPrinter* pPrinter );
+
+    virtual void            GetPrinterQueueInfo( ImplPrnQueueList* pList );
+    virtual void            GetPrinterQueueState( SalPrinterQueueInfo* pInfo );
+    virtual void            DeletePrinterQueueInfo( SalPrinterQueueInfo* pInfo );
+    virtual String          GetDefaultPrinter();
+    virtual void            PostPrintersChanged();
+
+    // SalTimer
+    virtual SalTimer*       CreateSalTimer();
+    // SalI18NImeStatus
+    virtual SalI18NImeStatus*   CreateI18NImeStatus();
+    // SalSystem
+    virtual SalSystem*      CreateSalSystem();
+    // SalBitmap
+    virtual SalBitmap*      CreateSalBitmap();
+
+    // YieldMutex
+    virtual osl::SolarMutex* GetYieldMutex();
+    virtual sal_uLong           ReleaseYieldMutex();
+    virtual void            AcquireYieldMutex( sal_uLong nCount );
+    virtual bool            CheckYieldMutex();
+
+    // wait next event and dispatch
+    // must returned by UserEvent (SalFrame::PostEvent)
+    // and timer
+    virtual void            Yield( bool bWait, bool bHandleAllCurrentEvents );
+    virtual bool            AnyInput( sal_uInt16 nType );
+
+    // may return NULL to disable session management
+    virtual SalSession*     CreateSalSession();
+
+    virtual void*           GetConnectionIdentifier( ConnectionIdentifierType& rReturnedType, int& rReturnedBytes );
+
+    virtual void            AddToRecentDocumentList(const rtl::OUString& rFileUrl, const rtl::OUString& rMimeType);
+
+};
+
+#endif // _SV_SALINST_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */