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/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_INC_SALINST_HXX
#define INCLUDED_VCL_INC_SALINST_HXX
#include <sal/types.h>
#include <rtl/ref.hxx>
#include <vcl/dllapi.h>
#include <vcl/salgtype.hxx>
#include <vcl/vclenum.hxx>
#include "backend/BackendCapabilities.hxx"
#include "displayconnectiondispatch.hxx"
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/ui/dialogs/XFilePicker2.hpp>
#include <com/sun/star/ui/dialogs/XFolderPicker2.hpp>
#include <memory>
namespace com {
namespace sun {
namespace star {
namespace awt {
class XWindow;
}
} } }
namespace comphelper { class SolarMutex; }
namespace vcl { class Window; }
namespace weld {
class Builder;
class MessageDialog;
class Widget;
class Window;
}
class SystemChildWindow;
struct SystemParentData;
struct SalPrinterQueueInfo;
class ImplJobSetup;
class OpenGLContext;
class SalGraphics;
class SalFrame;
class SalObject;
class SalMenu;
class SalMenuItem;
class SalVirtualDevice;
class SalInfoPrinter;
class SalPrinter;
class SalTimer;
class ImplPrnQueueList;
class SalSystem;
class SalBitmap;
struct SalItemParams;
class SalSession;
struct SystemGraphicsData;
struct SystemWindowData;
class Menu;
enum class VclInputFlags;
enum class SalFrameStyleFlags;
typedef struct _cairo_font_options cairo_font_options_t;
class VCL_DLLPUBLIC SalInstance
{
private:
rtl::Reference< vcl::DisplayConnectionDispatch > m_pEventInst;
const std::unique_ptr<comphelper::SolarMutex> m_pYieldMutex;
public:
SalInstance(std::unique_ptr<comphelper::SolarMutex> pMutex);
virtual ~SalInstance();
//called directly after Application::Init
virtual void AfterAppInit() {}
virtual bool SVMainHook(int*) { return false; }
// Frame
// DisplayName for Unix ???
virtual SalFrame* CreateChildFrame( SystemParentData* pParent, SalFrameStyleFlags nStyle ) = 0;
virtual SalFrame* CreateFrame( SalFrame* pParent, SalFrameStyleFlags nStyle ) = 0;
virtual void DestroyFrame( SalFrame* pFrame ) = 0;
// Object (System Child Window)
virtual SalObject* CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, bool bShow ) = 0;
virtual void DestroyObject( SalObject* pObject ) = 0;
// VirtualDevice
// nDX and nDY in pixels
// nBitCount: 0 == default(=as window) / 1 == mono
// pData allows for using a system dependent graphics or device context,
// if a system context is passed in nDX and nDY are updated to reflect
// its size; otherwise these remain unchanged.
virtual std::unique_ptr<SalVirtualDevice>
CreateVirtualDevice( SalGraphics* pGraphics,
long &rDX, long &rDY,
DeviceFormat eFormat, const SystemGraphicsData *pData = nullptr ) = 0;
// Printer
// pSetupData->mpDriverData can be 0
// pSetupData must be updated with the current
// JobSetup
virtual SalInfoPrinter* CreateInfoPrinter( SalPrinterQueueInfo* pQueueInfo,
ImplJobSetup* pSetupData ) = 0;
virtual void DestroyInfoPrinter( SalInfoPrinter* pPrinter ) = 0;
virtual std::unique_ptr<SalPrinter> CreatePrinter( SalInfoPrinter* pInfoPrinter ) = 0;
virtual void GetPrinterQueueInfo( ImplPrnQueueList* pList ) = 0;
virtual void GetPrinterQueueState( SalPrinterQueueInfo* pInfo ) = 0;
virtual OUString GetDefaultPrinter() = 0;
// SalTimer
virtual SalTimer* CreateSalTimer() = 0;
// SalSystem
virtual SalSystem* CreateSalSystem() = 0;
// SalBitmap
virtual std::shared_ptr<SalBitmap> CreateSalBitmap() = 0;
// BackendCapabilities
virtual std::shared_ptr<vcl::BackendCapabilities> GetBackendCapabilities()
{
return std::make_shared<vcl::BackendCapabilities>();
}
// YieldMutex
comphelper::SolarMutex* GetYieldMutex();
sal_uInt32 ReleaseYieldMutexAll();
void AcquireYieldMutex(sal_uInt32 nCount = 1);
// return true, if the current thread is the main thread
virtual bool IsMainThread() const = 0;
/**
* Wait for the next event (if bWait) and dispatch it,
* includes posted events, and timers.
* If bHandleAllCurrentEvents - dispatch multiple posted
* user events. Returns true if events were processed.
*/
virtual bool DoYield(bool bWait, bool bHandleAllCurrentEvents) = 0;
virtual bool AnyInput( VclInputFlags nType ) = 0;
// menus
virtual std::unique_ptr<SalMenu> CreateMenu( bool bMenuBar, Menu* pMenu );
virtual std::unique_ptr<SalMenuItem> CreateMenuItem( const SalItemParams& pItemData );
// may return NULL to disable session management, only used by X11 backend
virtual std::unique_ptr<SalSession> CreateSalSession();
virtual OpenGLContext* CreateOpenGLContext() = 0;
virtual weld::Builder* CreateBuilder(weld::Widget* pParent, const OUString& rUIRoot, const OUString& rUIFile);
static weld::Builder* CreateInterimBuilder(vcl::Window* pParent, const OUString& rUIRoot, const OUString& rUIFile);
virtual weld::MessageDialog* CreateMessageDialog(weld::Widget* pParent, VclMessageType eMessageType,
VclButtonsType eButtonType, const OUString& rPrimaryMessage);
virtual weld::Window* GetFrameWeld(const css::uno::Reference<css::awt::XWindow>& rWindow);
// methods for XDisplayConnection
void SetEventCallback( rtl::Reference< vcl::DisplayConnectionDispatch > const & pInstance )
{ m_pEventInst = pInstance; }
bool CallEventCallback( void const * pEvent, int nBytes );
virtual OUString GetConnectionIdentifier() = 0;
// dtrans implementation
virtual css::uno::Reference< css::uno::XInterface > CreateClipboard( const css::uno::Sequence< css::uno::Any >& i_rArguments );
virtual css::uno::Reference< css::uno::XInterface > CreateDragSource();
virtual css::uno::Reference< css::uno::XInterface > CreateDropTarget();
virtual void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType, const OUString& rDocumentService) = 0;
virtual bool hasNativeFileSelection() const { return false; }
// if you override this, make sure to override hasNativeFileSelection too.
virtual css::uno::Reference< css::ui::dialogs::XFilePicker2 > createFilePicker( const css::uno::Reference< css::uno::XComponentContext >& )
{ return css::uno::Reference< css::ui::dialogs::XFilePicker2 >(); }
virtual css::uno::Reference< css::ui::dialogs::XFolderPicker2 > createFolderPicker( const css::uno::Reference< css::uno::XComponentContext >& )
{ return css::uno::Reference< css::ui::dialogs::XFolderPicker2 >(); }
// callbacks for printer updates
virtual void updatePrinterUpdate() {}
virtual void jobStartedPrinterUpdate() {}
virtual void jobEndedPrinterUpdate() {}
virtual void updateMainThread() {}
/// get information about underlying versions
virtual OUString getOSVersion() { return "-"; }
virtual const cairo_font_options_t* GetCairoFontOptions() { return nullptr; }
virtual void* CreateGStreamerSink(const SystemChildWindow*) { return nullptr; }
};
// called from SVMain
SalInstance* CreateSalInstance();
void DestroySalInstance( SalInstance* pInst );
void SalAbort( const OUString& rErrorText, bool bDumpCore );
VCL_DLLPUBLIC const OUString& SalGetDesktopEnvironment();
#endif // INCLUDED_VCL_INC_SALINST_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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