office-gobmx/toolkit/source/hatchwindow/documentcloser.cxx
Noel Grandin 14b7b50701 use less exception throwing for flow control
Change-Id: I289f1a2204af02576a585392b7f428a5dc65cf1a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171850
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
2024-08-14 12:56:50 +02:00

232 lines
7.4 KiB
C++

/* -*- 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 <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/util/XCloseable.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/frame/XFrame.hpp>
#include <com/sun/star/awt/XVclWindowPeer.hpp>
#include <cppuhelper/implbase.hxx>
#include <comphelper/interfacecontainer4.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <utility>
#include <vcl/svapp.hxx>
#include <vcl/dialoghelper.hxx>
#include <vcl/window.hxx>
#include <tools/link.hxx>
#include <toolkit/helper/vclunohelper.hxx>
using namespace ::com::sun::star;
namespace {
// the service is implemented as a wrapper to be able to die by refcount
// the disposing mechanics is required for java related scenarios
class ODocumentCloser : public ::cppu::WeakImplHelper< css::lang::XComponent,
css::lang::XServiceInfo >
{
std::mutex m_aMutex;
css::uno::Reference< css::frame::XFrame > m_xFrame;
::comphelper::OInterfaceContainerHelper4<lang::XEventListener> m_aListenersContainer; // list of listeners
bool m_bDisposed;
public:
explicit ODocumentCloser(const css::uno::Sequence< css::uno::Any >& aArguments);
// XComponent
virtual void SAL_CALL dispose() override;
virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) 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;
};
class MainThreadFrameCloserRequest
{
uno::Reference< frame::XFrame > m_xFrame;
public:
explicit MainThreadFrameCloserRequest( uno::Reference< frame::XFrame > xFrame )
: m_xFrame(std::move( xFrame ))
{}
DECL_STATIC_LINK( MainThreadFrameCloserRequest, worker, void*, void );
static void Start( MainThreadFrameCloserRequest* pRequest );
};
void MainThreadFrameCloserRequest::Start( MainThreadFrameCloserRequest* pMTRequest )
{
if ( pMTRequest )
{
if ( Application::IsMainThread() )
{
// this is the main thread
worker( nullptr, pMTRequest );
}
else
Application::PostUserEvent( LINK( nullptr, MainThreadFrameCloserRequest, worker ), pMTRequest );
}
}
IMPL_STATIC_LINK( MainThreadFrameCloserRequest, worker, void*, p, void )
{
MainThreadFrameCloserRequest* pMTRequest = static_cast<MainThreadFrameCloserRequest*>(p);
if ( !pMTRequest )
return;
if ( pMTRequest->m_xFrame.is() )
{
// this is the main thread, the solar mutex must be locked
SolarMutexGuard aGuard;
try
{
uno::Reference< awt::XWindow > xWindow = pMTRequest->m_xFrame->getContainerWindow();
uno::Reference< awt::XVclWindowPeer > xWinPeer( xWindow, uno::UNO_QUERY );
if (xWinPeer)
{
xWindow->setVisible( false );
// reparent the window
xWinPeer->setProperty( u"PluginParent"_ustr, uno::Any( sal_Int64(0) ) );
VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow( xWindow );
if (pWindow)
vcl::EndAllDialogs(pWindow);
}
}
catch( uno::Exception& )
{
// ignore all the errors
}
try
{
uno::Reference< util::XCloseable > xCloseable( pMTRequest->m_xFrame, uno::UNO_QUERY );
if (xCloseable)
xCloseable->close( true );
}
catch( uno::Exception& )
{
// ignore all the errors
}
}
delete pMTRequest;
}
ODocumentCloser::ODocumentCloser(const css::uno::Sequence< css::uno::Any >& aArguments)
: m_bDisposed( false )
{
std::unique_lock aGuard( m_aMutex );
if ( !m_refCount )
throw uno::RuntimeException(); // the object must be refcounted already!
sal_Int32 nLen = aArguments.getLength();
if ( nLen != 1 )
throw lang::IllegalArgumentException(
u"Wrong count of parameters!"_ustr,
uno::Reference< uno::XInterface >(),
0 );
if ( !( aArguments[0] >>= m_xFrame ) || !m_xFrame.is() )
throw lang::IllegalArgumentException(
u"Nonempty reference is expected as the first argument!"_ustr,
uno::Reference< uno::XInterface >(),
0 );
}
// XComponent
void SAL_CALL ODocumentCloser::dispose()
{
std::unique_lock aGuard( m_aMutex );
if ( m_bDisposed )
return;
lang::EventObject aSource( getXWeak() );
m_aListenersContainer.disposeAndClear( aGuard, aSource );
// TODO: trigger a main thread execution to close the frame
if ( m_xFrame.is() )
{
// the created object will be deleted after thread execution
MainThreadFrameCloserRequest* pCloser = new MainThreadFrameCloserRequest( m_xFrame );
MainThreadFrameCloserRequest::Start( pCloser );
}
m_bDisposed = true;
}
void SAL_CALL ODocumentCloser::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
{
std::unique_lock aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
m_aListenersContainer.addInterface( aGuard, xListener );
}
void SAL_CALL ODocumentCloser::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
{
std::unique_lock aGuard( m_aMutex );
m_aListenersContainer.removeInterface( aGuard, xListener );
}
// XServiceInfo
OUString SAL_CALL ODocumentCloser::getImplementationName( )
{
return u"com.sun.star.comp.embed.DocumentCloser"_ustr;
}
sal_Bool SAL_CALL ODocumentCloser::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
uno::Sequence< OUString > SAL_CALL ODocumentCloser::getSupportedServiceNames()
{
return { u"com.sun.star.embed.DocumentCloser"_ustr };
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_embed_DocumentCloser_get_implementation(
SAL_UNUSED_PARAMETER css::uno::XComponentContext *,
css::uno::Sequence<css::uno::Any> const &arguments)
{
return cppu::acquire(new ODocumentCloser(arguments));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */