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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 .
*/
#include "clipboarddispatcher.hxx"
#include <editeng/editview.hxx>
#include <com/sun/star/lang/DisposedException.hpp>
#include <svtools/cliplistener.hxx>
#include <vcl/transfer.hxx>
#include <osl/diagnose.h>
namespace frm
{
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::beans;
namespace
{
URL createClipboardURL( OClipboardDispatcher::ClipboardFunc _eFunc )
{
URL aURL;
switch ( _eFunc )
{
case OClipboardDispatcher::eCut:
aURL.Complete = ".uno:Cut";
break;
case OClipboardDispatcher::eCopy:
aURL.Complete = ".uno:Copy";
break;
case OClipboardDispatcher::ePaste:
aURL.Complete = ".uno:Paste";
break;
}
return aURL;
}
}
OClipboardDispatcher::OClipboardDispatcher( EditView& _rView, ClipboardFunc _eFunc )
:ORichTextFeatureDispatcher( _rView, createClipboardURL( _eFunc ) )
,m_eFunc( _eFunc )
,m_bLastKnownEnabled( true )
{
}
bool OClipboardDispatcher::implIsEnabled( ) const
{
bool bEnabled = false;
switch ( m_eFunc )
{
case eCut:
bEnabled = !getEditView()->IsReadOnly() && getEditView()->HasSelection();
break;
case eCopy:
bEnabled = getEditView()->HasSelection();
break;
case ePaste:
bEnabled = !getEditView()->IsReadOnly();
break;
}
return bEnabled;
}
FeatureStateEvent OClipboardDispatcher::buildStatusEvent() const
{
FeatureStateEvent aEvent( ORichTextFeatureDispatcher::buildStatusEvent() );
aEvent.IsEnabled = implIsEnabled();
return aEvent;
}
void OClipboardDispatcher::invalidateFeatureState_Broadcast()
{
bool bEnabled = implIsEnabled();
if ( m_bLastKnownEnabled == bEnabled )
// nothing changed -> no notification
return;
m_bLastKnownEnabled = bEnabled;
ORichTextFeatureDispatcher::invalidateFeatureState_Broadcast();
}
void SAL_CALL OClipboardDispatcher::dispatch( const URL& /*_rURL*/, const Sequence< PropertyValue >& /*Arguments*/ )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !getEditView() )
throw DisposedException();
switch ( m_eFunc )
{
case eCut:
getEditView()->Cut();
break;
case eCopy:
getEditView()->Copy();
break;
case ePaste:
getEditView()->Paste();
break;
}
}
OPasteClipboardDispatcher::OPasteClipboardDispatcher( EditView& _rView )
:OClipboardDispatcher( _rView, ePaste )
,m_bPastePossible( false )
{
m_pClipListener = new TransferableClipboardListener( LINK( this, OPasteClipboardDispatcher, OnClipboardChanged ) );
m_pClipListener->AddListener( _rView.GetWindow() );
// initial state
TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard( _rView.GetWindow() ) );
m_bPastePossible = ( aDataHelper.HasFormat( SotClipboardFormatId::STRING ) ||
aDataHelper.HasFormat( SotClipboardFormatId::RTF ) || aDataHelper.HasFormat( SotClipboardFormatId::RICHTEXT ) );
}
OPasteClipboardDispatcher::~OPasteClipboardDispatcher()
{
if ( !isDisposed() )
{
acquire();
dispose();
}
}
IMPL_LINK( OPasteClipboardDispatcher, OnClipboardChanged, TransferableDataHelper*, _pDataHelper, void )
{
OSL_ENSURE( _pDataHelper, "OPasteClipboardDispatcher::OnClipboardChanged: ooops!" );
m_bPastePossible = _pDataHelper->HasFormat( SotClipboardFormatId::STRING )
|| _pDataHelper->HasFormat( SotClipboardFormatId::RTF )
|| _pDataHelper->HasFormat( SotClipboardFormatId::RICHTEXT );
invalidate();
}
void OPasteClipboardDispatcher::disposing( ::osl::ClearableMutexGuard& _rClearBeforeNotify )
{
OSL_ENSURE( getEditView() && getEditView()->GetWindow(), "OPasteClipboardDispatcher::disposing: EditView should not (yet) be disfunctional here!" );
if (m_pClipListener.is())
{
if (getEditView() && getEditView()->GetWindow())
m_pClipListener->RemoveListener( getEditView()->GetWindow() );
m_pClipListener.clear();
}
OClipboardDispatcher::disposing( _rClearBeforeNotify );
}
bool OPasteClipboardDispatcher::implIsEnabled( ) const
{
return m_bPastePossible && OClipboardDispatcher::implIsEnabled();
}
} // namespace frm
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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