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path: root/vcl/win/dtrans/WinClipboard.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/.
 *
 * 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 .
 */

#pragma once

#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <cppuhelper/compbase.hxx>
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardEx.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
#include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <osl/conditn.hxx>

#include <memory>

// forward
class CWinClipbImpl;

// implements the XClipboard[Ex] ... interfaces
// for the clipboard viewer mechanism we need a static callback function
// and a static member to reassociate from this static function to the
// class instance
// watch out: we are using only one static member variable and not a list
// because we assume to be instantiated only once
// this will be assured by a OneInstanceFactory of the service and not
// by this class!

// helper class, so that the mutex is constructed
// before the constructor of WeakComponentImplHelper
// will be called and initialized with this mutex
class CWinClipboardDummy
{
protected:
    osl::Mutex      m_aMutex;
    osl::Mutex      m_aCbListenerMutex;
};

class CWinClipboard :
    public CWinClipboardDummy,
    public cppu::WeakComponentImplHelper<
        css::datatransfer::clipboard::XSystemClipboard,
        css::datatransfer::clipboard::XFlushableClipboard,
        css::lang::XServiceInfo >
{
public:
    CWinClipboard( const css::uno::Reference< css::uno::XComponentContext >& rxContext,
                   const OUString& aClipboardName );

    // XClipboard

    virtual css::uno::Reference< css::datatransfer::XTransferable > SAL_CALL getContents(  ) override;

    virtual void SAL_CALL setContents(
        const css::uno::Reference< css::datatransfer::XTransferable >& xTransferable,
        const css::uno::Reference< css::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner ) override;

    virtual OUString SAL_CALL getName(  ) override;

    // XFlushableClipboard

    virtual void SAL_CALL flushClipboard( ) override;

    // XClipboardEx

    virtual sal_Int8 SAL_CALL getRenderingCapabilities(  ) override;

    // XClipboardNotifier

    virtual void SAL_CALL addClipboardListener(
        const css::uno::Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;

    virtual void SAL_CALL removeClipboardListener(
        const css::uno::Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;

    // overwrite base class method, which is called
    // by base class dispose function

    virtual void SAL_CALL disposing() override;

    // XServiceInfo

    virtual OUString SAL_CALL getImplementationName(  ) override;

    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;

    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;

private:
    void notifyAllClipboardListener( );

private:
    std::unique_ptr< CWinClipbImpl >                  m_pImpl;
    css::uno::Reference< css::uno::XComponentContext >  m_xContext;

    friend class CWinClipbImpl;
};

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