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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_HEADLESS_SVPINST_HXX
+#define INCLUDED_VCL_INC_HEADLESS_SVPINST_HXX
+
+#include <osl/thread.hxx>
+#include <osl/conditn.hxx>
+#include <salinst.hxx>
+#include <saltimer.hxx>
+#include <salusereventlist.hxx>
+#include <unx/geninst.h>
+#include <unx/genprn.h>
+
+#include <condition_variable>
+
+#include <sys/time.h>
+
+#define VIRTUAL_DESKTOP_WIDTH 1024
+#define VIRTUAL_DESKTOP_HEIGHT 768
+
+#ifdef IOS
+#define SvpSalInstance AquaSalInstance
+#endif
+
+class SvpSalInstance;
+class SvpSalTimer final : public SalTimer
+{
+ SvpSalInstance* m_pInstance;
+public:
+ SvpSalTimer( SvpSalInstance* pInstance ) : m_pInstance( pInstance ) {}
+ virtual ~SvpSalTimer() override;
+
+ // override all pure virtual methods
+ virtual void Start( sal_uInt64 nMS ) override;
+ virtual void Stop() override;
+};
+
+class SvpSalFrame;
+class GenPspGraphics;
+
+enum class SvpRequest
+{
+ NONE,
+ MainThreadDispatchOneEvent,
+ MainThreadDispatchAllEvents,
+};
+
+class SvpSalYieldMutex final : public SalYieldMutex
+{
+private:
+ // note: these members might as well live in SvpSalInstance, but there is
+ // at least one subclass of SvpSalInstance (GTK3) that doesn't use them.
+ friend class SvpSalInstance;
+ // members for communication from main thread to non-main thread
+ int m_FeedbackFDs[2];
+ osl::Condition m_NonMainWaitingYieldCond;
+ // members for communication from non-main thread to main thread
+ bool m_bNoYieldLock = false; // accessed only on main thread
+ std::mutex m_WakeUpMainMutex; // guard m_wakeUpMain & m_Request
+ std::condition_variable m_WakeUpMainCond;
+ bool m_wakeUpMain = false;
+ SvpRequest m_Request = SvpRequest::NONE;
+
+ virtual void doAcquire( sal_uInt32 nLockCount ) override;
+ virtual sal_uInt32 doRelease( bool bUnlockAll ) override;
+
+public:
+ SvpSalYieldMutex();
+ virtual ~SvpSalYieldMutex() override;
+
+ virtual bool IsCurrentThread() const override;
+};
+
+// NOTE: the functions IsMainThread, DoYield and Wakeup *require* the use of
+// SvpSalYieldMutex; if a subclass uses something else it must override these
+// (Wakeup is only called by SvpSalTimer and SvpSalFrame)
+class VCL_DLLPUBLIC SvpSalInstance : public SalGenericInstance, public SalUserEventList
+{
+ timeval m_aTimeout;
+ sal_uLong m_nTimeoutMS;
+ oslThreadIdentifier m_MainThread;
+
+ virtual void TriggerUserEventProcessing() override;
+ virtual void ProcessEvent( SalUserEvent aEvent ) override;
+ bool ImplYield(bool bWait, bool bHandleAllCurrentEvents);
+
+public:
+ static SvpSalInstance* s_pDefaultInstance;
+
+ SvpSalInstance( std::unique_ptr<SalYieldMutex> pMutex );
+ virtual ~SvpSalInstance() override;
+
+ void CloseWakeupPipe(bool log);
+ void CreateWakeupPipe(bool log);
+ void Wakeup(SvpRequest request = SvpRequest::NONE);
+
+ void StartTimer( sal_uInt64 nMS );
+ void StopTimer();
+
+ inline void registerFrame( SalFrame* pFrame );
+ inline void deregisterFrame( SalFrame* pFrame );
+
+ bool CheckTimeout( bool bExecuteTimers = true );
+
+ // Frame
+ virtual SalFrame* CreateChildFrame( SystemParentData* pParent, SalFrameStyleFlags nStyle ) override;
+ virtual SalFrame* CreateFrame( SalFrame* pParent, SalFrameStyleFlags nStyle ) override;
+ virtual void DestroyFrame( SalFrame* pFrame ) override;
+
+ // Object (System Child Window)
+ virtual SalObject* CreateObject( SalFrame* pParent, SystemWindowData* pWindowData, bool bShow ) override;
+ virtual void DestroyObject( SalObject* pObject ) override;
+
+ // 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 std::unique_ptr<SalVirtualDevice>
+ CreateVirtualDevice( SalGraphics& rGraphics,
+ tools::Long &nDX, tools::Long &nDY,
+ DeviceFormat eFormat, const SystemGraphicsData *pData = nullptr ) override;
+
+ // Printer
+ // pSetupData->mpDriverData can be 0
+ // pSetupData must be updated with the current
+ // JobSetup
+ virtual SalInfoPrinter* CreateInfoPrinter( SalPrinterQueueInfo* pQueueInfo,
+ ImplJobSetup* pSetupData ) override;
+ virtual void DestroyInfoPrinter( SalInfoPrinter* pPrinter ) override;
+ virtual std::unique_ptr<SalPrinter> CreatePrinter( SalInfoPrinter* pInfoPrinter ) override;
+
+ virtual void GetPrinterQueueInfo( ImplPrnQueueList* pList ) override;
+ virtual void GetPrinterQueueState( SalPrinterQueueInfo* pInfo ) override;
+ virtual OUString GetDefaultPrinter() override;
+ virtual void PostPrintersChanged() override;
+
+ // SalTimer
+ virtual SalTimer* CreateSalTimer() override;
+ // SalSystem
+ virtual SalSystem* CreateSalSystem() override;
+ // SalBitmap
+ virtual std::shared_ptr<SalBitmap> CreateSalBitmap() override;
+
+ // wait next event and dispatch
+ // must returned by UserEvent (SalFrame::PostEvent)
+ // and timer
+ virtual bool DoYield(bool bWait, bool bHandleAllCurrentEvents) override;
+ virtual bool AnyInput( VclInputFlags nType ) override;
+ virtual bool IsMainThread() const override;
+ virtual void updateMainThread() override;
+
+ virtual OUString GetConnectionIdentifier() override;
+
+ virtual void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType, const OUString& rDocumentService) override;
+
+ virtual std::unique_ptr<GenPspGraphics> CreatePrintGraphics() override;
+
+ virtual const cairo_font_options_t* GetCairoFontOptions() override;
+};
+
+inline void SvpSalInstance::registerFrame( SalFrame* pFrame )
+{
+ insertFrame( pFrame );
+}
+
+inline void SvpSalInstance::deregisterFrame( SalFrame* pFrame )
+{
+ eraseFrame( pFrame );
+}
+
+VCL_DLLPUBLIC cairo_surface_t* get_underlying_cairo_surface(const VirtualDevice& rDevice);
+
+#endif // INCLUDED_VCL_INC_HEADLESS_SVPINST_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */