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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/.
*
*/
#pragma once
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
#include <cppuhelper/compbase.hxx>
#include <QtGui/QClipboard>
/**
* This implementation has two main functions, which handle the clipboard content:
* the XClipboard::setContent function and the QClipboard::change signal handler.
*
* The first just sets the respective clipboard to the expected content from LO,
* the latter will handle any reported changes.
**/
class QtClipboard final
: public QObject,
public cppu::WeakComponentImplHelper<css::datatransfer::clipboard::XSystemClipboard,
css::datatransfer::clipboard::XFlushableClipboard,
css::lang::XServiceInfo>
{
Q_OBJECT
osl::Mutex m_aMutex;
const OUString m_aClipboardName;
const QClipboard::Mode m_aClipboardMode;
// has to be set, if LO changes the QClipboard itself, so it won't instantly lose
// ownership by it's self-triggered QClipboard::changed handler
bool m_bOwnClipboardChange;
// true, if LO really wants to give up clipboard ownership
bool m_bDoClear;
// if not empty, this holds the setContents provided XTransferable or a QtClipboardTransferable
css::uno::Reference<css::datatransfer::XTransferable> m_aContents;
// the owner of the current contents, which must be informed on content change
css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner> m_aOwner;
std::vector<css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>> m_aListeners;
static bool isOwner(const QClipboard::Mode aMode);
static bool isSupported(const QClipboard::Mode aMode);
explicit QtClipboard(OUString aModeString, const QClipboard::Mode aMode);
private Q_SLOTS:
void handleChanged(QClipboard::Mode mode);
void handleClearClipboard();
signals:
void clearClipboard();
public:
// factory function to construct only valid QtClipboard objects by name
static css::uno::Reference<css::uno::XInterface> create(const OUString& aModeString);
// 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;
// XClipboard
virtual css::uno::Reference<css::datatransfer::XTransferable> SAL_CALL getContents() override;
virtual void SAL_CALL setContents(
const css::uno::Reference<css::datatransfer::XTransferable>& xTrans,
const css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner>& xClipboardOwner)
override;
virtual OUString SAL_CALL getName() override;
// XClipboardEx
virtual sal_Int8 SAL_CALL getRenderingCapabilities() override;
// XFlushableClipboard
virtual void SAL_CALL flushClipboard() 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;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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