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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 "clipboardmanager.hxx"
#include <com/sun/star/container/ElementExistException.hpp>
#include <com/sun/star/container/NoSuchElementException.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/sequence.hxx>
#include <rtl/ref.hxx>
using namespace com::sun::star::container;
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::datatransfer::clipboard;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace cppu;
using namespace osl;
using ::dtrans::ClipboardManager;
static osl::Mutex g_InstanceGuard;
static rtl::Reference<ClipboardManager> g_Instance;
static bool g_Disposed = false;
ClipboardManager::ClipboardManager():
WeakComponentImplHelper< XClipboardManager, XEventListener, XServiceInfo > (m_aMutex),
m_aDefaultName(OUString("default"))
{
}
ClipboardManager::~ClipboardManager()
{
}
OUString SAL_CALL ClipboardManager::getImplementationName( )
{
return "com.sun.star.comp.datatransfer.ClipboardManager";
}
sal_Bool SAL_CALL ClipboardManager::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
Sequence< OUString > SAL_CALL ClipboardManager::getSupportedServiceNames( )
{
return { "com.sun.star.datatransfer.clipboard.ClipboardManager" };
}
Reference< XClipboard > SAL_CALL ClipboardManager::getClipboard( const OUString& aName )
{
MutexGuard aGuard(m_aMutex);
// object is disposed already
if (rBHelper.bDisposed)
throw DisposedException("object is disposed.",
static_cast < XClipboardManager * > (this));
ClipboardMap::iterator iter =
m_aClipboardMap.find(aName.getLength() ? aName : m_aDefaultName);
if (iter != m_aClipboardMap.end())
return iter->second;
throw NoSuchElementException(aName, static_cast < XClipboardManager * > (this));
}
void SAL_CALL ClipboardManager::addClipboard( const Reference< XClipboard >& xClipboard )
{
OSL_ASSERT(xClipboard.is());
// check parameter
if (!xClipboard.is())
throw IllegalArgumentException("empty reference",
static_cast < XClipboardManager * > (this), 1);
// the name "default" is reserved for internal use
OUString aName = xClipboard->getName();
if ( m_aDefaultName == aName )
throw IllegalArgumentException("name reserved",
static_cast < XClipboardManager * > (this), 1);
// try to add new clipboard to the list
ClearableMutexGuard aGuard(m_aMutex);
if (!rBHelper.bDisposed && !rBHelper.bInDispose)
{
std::pair< const OUString, Reference< XClipboard > > value (
aName.getLength() ? aName : m_aDefaultName,
xClipboard );
std::pair< ClipboardMap::iterator, bool > p = m_aClipboardMap.insert(value);
aGuard.clear();
// insert failed, element must exist already
if (!p.second)
throw ElementExistException(aName, static_cast < XClipboardManager * > (this));
// request disposing notifications
Reference< XComponent > xComponent(xClipboard, UNO_QUERY);
if (xComponent.is())
xComponent->addEventListener(static_cast < XEventListener * > (this));
}
}
void SAL_CALL ClipboardManager::removeClipboard( const OUString& aName )
{
MutexGuard aGuard(m_aMutex);
if (!rBHelper.bDisposed)
m_aClipboardMap.erase(aName.getLength() ? aName : m_aDefaultName );
}
Sequence< OUString > SAL_CALL ClipboardManager::listClipboardNames()
{
MutexGuard aGuard(m_aMutex);
if (rBHelper.bDisposed)
throw DisposedException("object is disposed.",
static_cast < XClipboardManager * > (this));
if (rBHelper.bInDispose)
return Sequence< OUString > ();
return comphelper::mapKeysToSequence(m_aClipboardMap);
}
void SAL_CALL ClipboardManager::dispose()
{
{
osl::MutexGuard aGuard(g_InstanceGuard);
g_Instance.clear();
g_Disposed = true;
}
{
ClearableMutexGuard aGuard( rBHelper.rMutex );
if (!rBHelper.bDisposed && !rBHelper.bInDispose)
{
rBHelper.bInDispose = true;
aGuard.clear();
// give everyone a chance to save his clipboard instance
EventObject aEvt(static_cast < XClipboardManager * > (this));
rBHelper.aLC.disposeAndClear( aEvt );
// removeClipboard is still allowed here, so make a copy of the
// list (to ensure integrity) and clear the original.
ClearableMutexGuard aGuard2( rBHelper.rMutex );
ClipboardMap aCopy(m_aClipboardMap);
m_aClipboardMap.clear();
aGuard2.clear();
// dispose all clipboards still in list
for (auto const& elem : aCopy)
{
Reference< XComponent > xComponent(elem.second, UNO_QUERY);
if (xComponent.is())
{
try
{
xComponent->removeEventListener(static_cast < XEventListener * > (this));
xComponent->dispose();
}
catch (const Exception&)
{
// exceptions can be safely ignored here.
}
}
}
rBHelper.bDisposed = true;
rBHelper.bInDispose = false;
}
}
}
void SAL_CALL ClipboardManager::disposing( const EventObject& event )
{
Reference < XClipboard > xClipboard(event.Source, UNO_QUERY);
if (xClipboard.is())
removeClipboard(xClipboard->getName());
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
dtrans_ClipboardManager_get_implementation(
css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&)
{
osl::MutexGuard aGuard(g_InstanceGuard);
if (g_Disposed)
return nullptr;
if (!g_Instance)
g_Instance.set(new ClipboardManager());
g_Instance->acquire();
return static_cast<cppu::OWeakObject*>(g_Instance.get());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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