gendata.hxx

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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/.
 */

#ifndef INCLUDED_VCL_INC_GENERIC_GENDATA_HXX
#define INCLUDED_VCL_INC_GENERIC_GENDATA_HXX

#include <osl/socket.hxx>

#include <saldatabasic.hxx>

#include <memory>

class GlyphCache;
class SalGenericDisplay;
namespace psp
{
class PrintFontManager;
}

enum GenericUnixSalDataType
{
    SAL_DATA_GTK,
    SAL_DATA_GTK3,
    SAL_DATA_KF5,
    SAL_DATA_UNX,
    SAL_DATA_SVP,
    SAL_DATA_ANDROID,
    SAL_DATA_IOS,
    SAL_DATA_HEADLESS,
    SAL_DATA_QT5
};

class VCL_DLLPUBLIC GenericUnixSalData : public SalData
{
private:
    GenericUnixSalDataType const m_eType;
    SalGenericDisplay* m_pDisplay;
    // cached hostname to avoid slow lookup
    OUString m_aHostname;
    // for transient storage of unicode strings eg. 'u123' by input methods
    OUString m_aUnicodeEntry;

    std::unique_ptr<GlyphCache> m_pGlyphCache;
    std::unique_ptr<psp::PrintFontManager> m_pPrintFontManager;

    void InitGlyphCache();
    void InitPrintFontManager();

public:
    GenericUnixSalData(GenericUnixSalDataType const t, SalInstance* const pInstance);
    virtual ~GenericUnixSalData() override;
    virtual void Dispose() {}

    SalGenericDisplay* GetDisplay() const { return m_pDisplay; }
    void SetDisplay(SalGenericDisplay* pDisp) { m_pDisplay = pDisp; }

    const OUString& GetHostname()
    {
        if (m_aHostname.isEmpty())
            osl_getLocalHostname(&m_aHostname.pData);
        return m_aHostname;
    }

    OUString& GetUnicodeCommand() { return m_aUnicodeEntry; }

    GenericUnixSalDataType GetType() const { return m_eType; }

    GlyphCache* GetGlyphCache()
    {
        if (!m_pGlyphCache)
            InitGlyphCache();
        return m_pGlyphCache.get();
    }

    psp::PrintFontManager* GetPrintFontManager()
    {
        if (!m_pPrintFontManager)
            InitPrintFontManager();
        // PrintFontManager needs the GlyphCache
        assert(m_pGlyphCache.get());
        return m_pPrintFontManager.get();
    }

    // Mostly useful for remote protocol backends
    virtual void ErrorTrapPush() = 0;
    virtual bool ErrorTrapPop(bool bIgnoreError = true) = 0; // true on error
};

inline GenericUnixSalData* GetGenericUnixSalData()
{
    return static_cast<GenericUnixSalData*>(ImplGetSVData()->mpSalData);
}

#endif

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