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/* -*- 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 _SV_SALINST_HXX
#define _SV_SALINST_HXX

#include "com/sun/star/uno/Reference.hxx"

#include "vcl/sv.h"
#include "vcl/displayconnectiondispatch.hxx"
#include "vcl/dllapi.h"

#include "tools/string.hxx"

#include "rtl/ref.hxx"
#include "rtl/string.hxx"

#include <list>

struct SystemParentData;
struct SalPrinterQueueInfo;
struct SalStatus;
struct ImplJobSetup;
class SalGraphics;
class SalFrame;
class SalObject;
class SalMenu;
class SalMenuItem;
class SalVirtualDevice;
class SalInfoPrinter;
class SalPrinter;
class SalTimer;
class ImplPrnQueueList;
class SalI18NImeStatus;
class SalSystem;
class SalBitmap;
struct SalItemParams;
class SalSession;
struct SystemGraphicsData;
struct SystemWindowData;
class Menu;

// ---------------
// - SalInstance -
// ---------------

class VCL_PLUGIN_PUBLIC SalInstance
{
private:
    rtl::Reference< vcl::DisplayConnectionDispatch > m_pEventInst;

public:
    SalInstance() {}
    virtual ~SalInstance();

    // Frame
    // DisplayName for Unix ???
    virtual SalFrame*       CreateChildFrame( SystemParentData* pParent, sal_uLong nStyle ) = 0;
    virtual SalFrame*       CreateFrame( SalFrame* pParent, sal_uLong nStyle ) = 0;
    virtual void                DestroyFrame( SalFrame* pFrame ) = 0;

    // Object (System Child Window)
    virtual SalObject*          CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, sal_Bool bShow = sal_True ) = 0;
    virtual void                DestroyObject( SalObject* pObject ) = 0;

    // 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 ) = 0;
    virtual void                DestroyVirtualDevice( SalVirtualDevice* pDevice ) = 0;

    // Printer
    // pSetupData->mpDriverData can be 0
    // pSetupData must be updatet with the current
    // JobSetup
    virtual SalInfoPrinter* CreateInfoPrinter( SalPrinterQueueInfo* pQueueInfo,
                                               ImplJobSetup* pSetupData ) = 0;
    virtual void                DestroyInfoPrinter( SalInfoPrinter* pPrinter ) = 0;
    virtual SalPrinter*     CreatePrinter( SalInfoPrinter* pInfoPrinter ) = 0;
    virtual void                DestroyPrinter( SalPrinter* pPrinter ) = 0;

    virtual void                GetPrinterQueueInfo( ImplPrnQueueList* pList ) = 0;
    virtual void                GetPrinterQueueState( SalPrinterQueueInfo* pInfo ) = 0;
    virtual void                DeletePrinterQueueInfo( SalPrinterQueueInfo* pInfo ) = 0;
    virtual String              GetDefaultPrinter() = 0;

    // used only by the unix / headless backends to de-couple code
    virtual void                PostPrintersChanged() {}

    // SalTimer
    virtual SalTimer*           CreateSalTimer() = 0;
    // SalI18NImeStatus
    virtual SalI18NImeStatus*   CreateI18NImeStatus() = 0;
    // SalSystem
    virtual SalSystem*          CreateSalSystem() = 0;
    // SalBitmap
    virtual SalBitmap*          CreateSalBitmap() = 0;

    // YieldMutex
    virtual osl::SolarMutex*    GetYieldMutex() = 0;
    virtual sal_uLong           ReleaseYieldMutex() = 0;
    virtual void                AcquireYieldMutex( sal_uLong nCount ) = 0;
    // return true, if yield mutex is owned by this thread, else false
    virtual bool                CheckYieldMutex() = 0;

    // wait next event and dispatch
    // must returned by UserEvent (SalFrame::PostEvent)
    // and timer
    virtual void                Yield( bool bWait, bool bHandleAllCurrentEvents ) = 0;
    virtual bool                AnyInput( sal_uInt16 nType ) = 0;

                            // Menues
    virtual SalMenu*        CreateMenu( sal_Bool bMenuBar, Menu* pMenu );
    virtual void            DestroyMenu( SalMenu* pMenu);
    virtual SalMenuItem*    CreateMenuItem( const SalItemParams* pItemData );
    virtual void            DestroyMenuItem( SalMenuItem* pItem );

    // may return NULL to disable session management
    virtual SalSession*     CreateSalSession() = 0;

    // methods for XDisplayConnection

    void                SetEventCallback( rtl::Reference< vcl::DisplayConnectionDispatch > const & pInstance )
    { m_pEventInst = pInstance; }
    bool                CallEventCallback( void* pEvent, int nBytes )
    { return m_pEventInst.is() && m_pEventInst->dispatchEvent( pEvent, nBytes ); }
    bool                CallErrorCallback( void* pEvent, int nBytes )
    { return m_pEventInst.is() && m_pEventInst->dispatchErrorEvent( pEvent, nBytes ); }

    enum ConnectionIdentifierType { AsciiCString, Blob };
    virtual void*               GetConnectionIdentifier( ConnectionIdentifierType& rReturnedType, int& rReturnedBytes ) = 0;

    // this is a vehicle for PrintFontManager to bridge the gap between vcl and libvclplug_*
    // this is only necessary because PrintFontManager is an exported vcl API and therefore
    // needs to be in libvcl while libvclplug_* do not contain exported C++ API
    virtual void        FillFontPathList( std::list< rtl::OString >& o_rFontPaths );

    // dtrans implementation
    virtual com::sun::star::uno::Reference< com::sun::star::uno::XInterface >
        CreateClipboard( const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& i_rArguments );
    virtual com::sun::star::uno::Reference< com::sun::star::uno::XInterface > CreateDragSource();
    virtual com::sun::star::uno::Reference< com::sun::star::uno::XInterface > CreateDropTarget();
    virtual void        AddToRecentDocumentList(const rtl::OUString& rFileUrl, const rtl::OUString& rMimeType) = 0;

    // callbacks for printer updates
    virtual void updatePrinterUpdate() {}
    virtual void jobStartedPrinterUpdate() {}
    virtual void jobEndedPrinterUpdate() {}
};

// called from SVMain
SalInstance* CreateSalInstance();
void DestroySalInstance( SalInstance* pInst );

// -------------------------
// - SalInstance-Functions -
// -------------------------

void SalAbort( const XubString& rErrorText, bool bDumpCore );

VCL_PLUGIN_PUBLIC const ::rtl::OUString& SalGetDesktopEnvironment();

// -----------
// - SalData -
// -----------

void InitSalData();                         // called from Application-Ctor
void DeInitSalData();                       // called from Application-Dtor

void InitSalMain();
void DeInitSalMain();

// ----------
// - SVMain -
// ----------

// Callbacks (indepen in \sv\source\app\svmain.cxx)
VCL_DLLPUBLIC int SVMain();

#endif // _SV_SALINST_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */