diff options
Diffstat (limited to 'sd/source/ui/slidesorter/cache/SlsCacheConfiguration.cxx')
| -rw-r--r-- | sd/source/ui/slidesorter/cache/SlsCacheConfiguration.cxx | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.cxx b/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.cxx new file mode 100644 index 000000000000..942a3e762acb --- /dev/null +++ b/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.cxx @@ -0,0 +1,181 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_sd.hxx" + +#include "SlsCacheConfiguration.hxx" +#include <vos/mutex.hxx> +#include <vcl/svapp.hxx> + +#include <comphelper/processfactory.hxx> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/container/XHierarchicalNameAccess.hpp> +#ifndef _COM_SUN_STAR_CONTAINER_PROPERTYVALUE_HPP_ +#include <com/sun/star/beans/PropertyValue.hpp> +#endif + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; + +namespace sd { namespace slidesorter { namespace cache { + +::boost::shared_ptr<CacheConfiguration> CacheConfiguration::mpInstance; +::boost::weak_ptr<CacheConfiguration> CacheConfiguration::mpWeakInstance; +Timer CacheConfiguration::maReleaseTimer; + + + +::boost::shared_ptr<CacheConfiguration> CacheConfiguration::Instance (void) +{ + ::vos::OGuard aSolarGuard (Application::GetSolarMutex()); + if (mpInstance.get() == NULL) + { + // Maybe somebody else kept a previously created instance alive. + if ( ! mpWeakInstance.expired()) + mpInstance = ::boost::shared_ptr<CacheConfiguration>(mpWeakInstance); + if (mpInstance.get() == NULL) + { + // We have to create a new instance. + mpInstance.reset(new CacheConfiguration()); + mpWeakInstance = mpInstance; + // Prepare to release this instance in the near future. + maReleaseTimer.SetTimeoutHdl( + LINK(mpInstance.get(),CacheConfiguration,TimerCallback)); + maReleaseTimer.SetTimeout(5000 /* 5s */); + maReleaseTimer.Start(); + } + } + return mpInstance; +} + + + + +CacheConfiguration::CacheConfiguration (void) +{ + // Get the cache size from configuration. + const ::rtl::OUString sConfigurationProviderServiceName( + RTL_CONSTASCII_USTRINGPARAM( + "com.sun.star.configuration.ConfigurationProvider")); + const ::rtl::OUString sPathToImpressConfigurationRoot( + RTL_CONSTASCII_USTRINGPARAM("/org.openoffice.Office.Impress/")); + const ::rtl::OUString sPathToNode( + RTL_CONSTASCII_USTRINGPARAM( + "MultiPaneGUI/SlideSorter/PreviewCache")); + + try + { + do + { + // Obtain access to the configuration. + Reference<lang::XMultiServiceFactory> xProvider ( + ::comphelper::getProcessServiceFactory()->createInstance( + sConfigurationProviderServiceName), + UNO_QUERY); + if ( ! xProvider.is()) + break; + + // Obtain access to Impress configuration. + Sequence<Any> aCreationArguments(3); + aCreationArguments[0] = makeAny(beans::PropertyValue( + ::rtl::OUString( + RTL_CONSTASCII_USTRINGPARAM("nodepath")), + 0, + makeAny(sPathToImpressConfigurationRoot), + beans::PropertyState_DIRECT_VALUE)); + aCreationArguments[1] = makeAny(beans::PropertyValue( + ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("depth")), + 0, + makeAny((sal_Int32)-1), + beans::PropertyState_DIRECT_VALUE)); + aCreationArguments[2] = makeAny(beans::PropertyValue( + ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("lazywrite")), + 0, + makeAny(true), + beans::PropertyState_DIRECT_VALUE)); + ::rtl::OUString sAccessService (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( + "com.sun.star.configuration.ConfigurationAccess"))); + Reference<XInterface> xRoot (xProvider->createInstanceWithArguments( + sAccessService, aCreationArguments)); + if ( ! xRoot.is()) + break; + Reference<container::XHierarchicalNameAccess> xHierarchy (xRoot, UNO_QUERY); + if ( ! xHierarchy.is()) + break; + + // Get the node for the slide sorter preview cache. + mxCacheNode = Reference<container::XNameAccess>( + xHierarchy->getByHierarchicalName(sPathToNode), + UNO_QUERY); + } + while (false); + } + catch (RuntimeException aException) + { + (void)aException; + } + catch (Exception aException) + { + (void)aException; + } +} + + + + +Any CacheConfiguration::GetValue (const ::rtl::OUString& rName) +{ + Any aResult; + + if (mxCacheNode != NULL) + { + try + { + aResult = mxCacheNode->getByName(rName); + } + catch (Exception aException) + { + (void)aException; + } + } + + return aResult; +} + + + + +IMPL_LINK(CacheConfiguration,TimerCallback, Timer*,EMPTYARG) +{ + // Release out reference to the instance. + mpInstance.reset(); + return 0; +} + + +} } } // end of namespace ::sd::slidesorter::cache |