Files
libreoffice/framework/source/accelerators/documentacceleratorconfiguration.cxx
Noel Grandin 376d5a6ad9 convert more services in framework module to WeakImplHelper
Change-Id: I417ae2ce644f39fce0e8eb9fbe6a3a3c783b6227
2013-07-23 10:05:46 +02:00

192 lines
6.6 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 <accelerators/documentacceleratorconfiguration.hxx>
#include <xml/acceleratorconfigurationreader.hxx>
#include <xml/acceleratorconfigurationwriter.hxx>
#include <xml/saxnamespacefilter.hxx>
#include <threadhelp/readguard.hxx>
#include <threadhelp/writeguard.hxx>
#include <acceleratorconst.h>
#include <services.h>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XTruncate.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <com/sun/star/xml/sax/XParser.hpp>
#include <comphelper/sequenceashashmap.hxx>
#include <i18nlangtag/languagetag.hxx>
#define SERVICENAME_DOCUMENTACCELERATORCONFIGURATION DECLARE_ASCII("com.sun.star.ui.DocumentAcceleratorConfiguration")
#define IMPLEMENTATIONNAME_DOCUMENTACCELERATORCONFIGURATION DECLARE_ASCII("com.sun.star.comp.framework.DocumentAcceleratorConfiguration")
namespace framework
{
//-----------------------------------------------
// XInterface, XTypeProvider, XServiceInfo
DEFINE_XSERVICEINFO_MULTISERVICE_2(DocumentAcceleratorConfiguration ,
::cppu::OWeakObject ,
SERVICENAME_DOCUMENTACCELERATORCONFIGURATION ,
IMPLEMENTATIONNAME_DOCUMENTACCELERATORCONFIGURATION)
DEFINE_INIT_SERVICE(DocumentAcceleratorConfiguration,
{
/*Attention
I think we don't need any mutex or lock here ... because we are called by our own static method impl_createInstance()
to create a new instance of this class by our own supported service factory.
see macro DEFINE_XSERVICEINFO_MULTISERVICE and "impl_initService()" for further information!
*/
}
)
//-----------------------------------------------
DocumentAcceleratorConfiguration::DocumentAcceleratorConfiguration(const css::uno::Reference< css::uno::XComponentContext >& xContext)
: DocumentAcceleratorConfiguration_BASE(xContext)
{
}
//-----------------------------------------------
DocumentAcceleratorConfiguration::~DocumentAcceleratorConfiguration()
{
m_aPresetHandler.removeStorageListener(this);
}
//-----------------------------------------------
void SAL_CALL DocumentAcceleratorConfiguration::initialize(const css::uno::Sequence< css::uno::Any >& lArguments)
throw(css::uno::Exception ,
css::uno::RuntimeException)
{
// SAFE -> ----------------------------------
WriteGuard aWriteLock(m_aLock);
css::uno::Reference<css::embed::XStorage> xRoot;
if (lArguments.getLength() == 1 && (lArguments[0] >>= xRoot))
{
m_xDocumentRoot = xRoot;
}
else
{
::comphelper::SequenceAsHashMap lArgs(lArguments);
m_xDocumentRoot = lArgs.getUnpackedValueOrDefault(
OUString("DocumentRoot"),
css::uno::Reference< css::embed::XStorage >());
}
aWriteLock.unlock();
// <- SAFE ----------------------------------
impl_ts_fillCache();
}
//-----------------------------------------------
void SAL_CALL DocumentAcceleratorConfiguration::setStorage(const css::uno::Reference< css::embed::XStorage >& xStorage)
throw(css::uno::RuntimeException)
{
// Attention! xStorage must be accepted too, if it's NULL !
// SAFE -> ----------------------------------
WriteGuard aWriteLock(m_aLock);
sal_Bool bForgetOldStorages = m_xDocumentRoot.is();
m_xDocumentRoot = xStorage;
aWriteLock.unlock();
// <- SAFE ----------------------------------
if (bForgetOldStorages)
impl_ts_clearCache();
if (xStorage.is())
impl_ts_fillCache();
}
//-----------------------------------------------
sal_Bool SAL_CALL DocumentAcceleratorConfiguration::hasStorage()
throw(css::uno::RuntimeException)
{
// SAFE -> ----------------------------------
ReadGuard aReadLock(m_aLock);
return m_xDocumentRoot.is();
// <- SAFE ----------------------------------
}
//-----------------------------------------------
void DocumentAcceleratorConfiguration::impl_ts_fillCache()
{
// SAFE -> ----------------------------------
ReadGuard aReadLock(m_aLock);
css::uno::Reference< css::embed::XStorage > xDocumentRoot = m_xDocumentRoot;
aReadLock.unlock();
// <- SAFE ----------------------------------
// Sometimes we must live without a document root.
// E.g. if the document is readonly ...
if (!xDocumentRoot.is())
return;
// get current office locale ... but dont cache it.
// Otherwise we must be listener on the configuration layer
// which seems to superflous for this small implementation .-)
LanguageTag aLanguageTag( impl_ts_getLocale());
// May be the current document does not contain any
// accelerator config? Handle it gracefully :-)
try
{
// Note: The used preset class is threadsafe by itself ... and live if we live!
// We do not need any mutex here.
// open the folder, where the configuration exists
m_aPresetHandler.connectToResource(
PresetHandler::E_DOCUMENT,
PresetHandler::RESOURCETYPE_ACCELERATOR(),
OUString(),
xDocumentRoot,
aLanguageTag);
DocumentAcceleratorConfiguration::reload();
m_aPresetHandler.addStorageListener(this);
}
catch(const css::uno::Exception&)
{}
}
//-----------------------------------------------
void DocumentAcceleratorConfiguration::impl_ts_clearCache()
{
m_aPresetHandler.forgetCachedStorages();
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */