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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 <accelerators/acceleratorconfiguration.hxx>
#include <accelerators/presethandler.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/sequenceashashmap.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <vcl/svapp.hxx>
using namespace framework;
constexpr OUStringLiteral RESOURCETYPE_ACCELERATOR = u"accelerator";
namespace {
/**
implements a read/write access to a document
based accelerator configuration.
*/
typedef ::cppu::ImplInheritanceHelper<
XMLBasedAcceleratorConfiguration,
css::lang::XServiceInfo> DocumentAcceleratorConfiguration_BASE;
class DocumentAcceleratorConfiguration : public DocumentAcceleratorConfiguration_BASE
{
private:
/** points to the root storage of the outside document,
where we can read/save our configuration data. */
css::uno::Reference< css::embed::XStorage > m_xDocumentRoot;
public:
/** initialize this instance and fill the internal cache.
@param xSMGR
reference to a uno service manager, which is used internally.
*/
DocumentAcceleratorConfiguration(
const css::uno::Reference< css::uno::XComponentContext >& xContext,
const css::uno::Sequence< css::uno::Any >& lArguments);
virtual ~DocumentAcceleratorConfiguration() override;
virtual OUString SAL_CALL getImplementationName() override
{
return "com.sun.star.comp.framework.DocumentAcceleratorConfiguration";
}
virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
{
return cppu::supportsService(this, ServiceName);
}
virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
{
return {"com.sun.star.ui.DocumentAcceleratorConfiguration"};
}
// XUIConfigurationStorage
virtual void SAL_CALL setStorage(const css::uno::Reference< css::embed::XStorage >& xStorage) override;
virtual sal_Bool SAL_CALL hasStorage() override;
/** read all data into the cache. */
void fillCache();
};
DocumentAcceleratorConfiguration::DocumentAcceleratorConfiguration(
const css::uno::Reference< css::uno::XComponentContext >& xContext,
const css::uno::Sequence< css::uno::Any >& lArguments)
: DocumentAcceleratorConfiguration_BASE(xContext)
{
SolarMutexGuard g;
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(
"DocumentRoot",
css::uno::Reference< css::embed::XStorage >());
}
}
DocumentAcceleratorConfiguration::~DocumentAcceleratorConfiguration()
{
m_aPresetHandler.removeStorageListener(this);
}
void SAL_CALL DocumentAcceleratorConfiguration::setStorage(const css::uno::Reference< css::embed::XStorage >& xStorage)
{
// Attention! xStorage must be accepted too, if it's NULL !
bool bForgetOldStorages;
{
SolarMutexGuard g;
bForgetOldStorages = m_xDocumentRoot.is();
m_xDocumentRoot = xStorage;
}
if (bForgetOldStorages)
/* forget all currently cached data AND(!) forget all currently used storages. */
m_aPresetHandler.forgetCachedStorages();
if (xStorage.is())
fillCache();
}
sal_Bool SAL_CALL DocumentAcceleratorConfiguration::hasStorage()
{
SolarMutexGuard g;
return m_xDocumentRoot.is();
}
void DocumentAcceleratorConfiguration::fillCache()
{
css::uno::Reference< css::embed::XStorage > xDocumentRoot;
{
SolarMutexGuard g;
xDocumentRoot = m_xDocumentRoot;
}
// Sometimes we must live without a document root.
// E.g. if the document is readonly ...
if (!xDocumentRoot.is())
return;
// get current office locale ... but don't cache it.
// Otherwise we must be listener on the configuration layer
// which seems to superfluous 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,
RESOURCETYPE_ACCELERATOR,
u"",
xDocumentRoot,
aLanguageTag);
DocumentAcceleratorConfiguration::reload();
m_aPresetHandler.addStorageListener(this);
}
catch(const css::uno::Exception&)
{}
}
} // namespace framework
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_framework_DocumentAcceleratorConfiguration_get_implementation(
css::uno::XComponentContext *context,
css::uno::Sequence<css::uno::Any> const &arguments)
{
rtl::Reference<DocumentAcceleratorConfiguration> inst = new DocumentAcceleratorConfiguration(context, arguments);
css::uno::XInterface *acquired_inst = cppu::acquire(inst.get());
inst->fillCache();
return acquired_inst;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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