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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: SdGlobalResourceContainer.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: rt $ $Date: 2007-04-03 16:24:21 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include "tools/SdGlobalResourceContainer.hxx"
#include <algorithm>
#include <vector>
namespace sd {
//===== SdGlobalResourceContainer::Implementation =============================
class SdGlobalResourceContainer::Implementation
{
private:
friend class SdGlobalResourceContainer;
static SdGlobalResourceContainer* mpInstance;
::osl::Mutex maMutex;
/** All instances of SdGlobalResource in this vector are owned by the
container and will be destroyed when the container is destroyed.
*/
typedef ::std::vector<SdGlobalResource*> ResourceList;
ResourceList maResources;
typedef ::std::vector<boost::shared_ptr<SdGlobalResource> > SharedResourceList;
SharedResourceList maSharedResources;
};
// static
SdGlobalResourceContainer& SdGlobalResourceContainer::Instance (void)
{
DBG_ASSERT(Implementation::mpInstance!=NULL,
"SdGlobalResourceContainer::Instance(): instance has been deleted");
// Maybe we should throw an exception when the instance has been deleted.
return *Implementation::mpInstance;
}
SdGlobalResourceContainer*
SdGlobalResourceContainer::Implementation::mpInstance = NULL;
//===== SdGlobalResourceContainer =============================================
void SdGlobalResourceContainer::AddResource (
::std::auto_ptr<SdGlobalResource> pResource)
{
::osl::MutexGuard aGuard (mpImpl->maMutex);
Implementation::ResourceList::iterator iResource;
iResource = ::std::find (
mpImpl->maResources.begin(),
mpImpl->maResources.end(),
pResource.get());
if (iResource == mpImpl->maResources.end())
mpImpl->maResources.push_back(pResource.get());
else
{
// Because the given resource is an auto_ptr it is highly unlikely
// that we come here. But who knows?
DBG_ASSERT (false,
"SdGlobalResourceContainer:AddResource(): Resource added twice.");
}
// We can not put the auto_ptr into the vector so we release the
// auto_ptr and document that we take ownership explicitly.
pResource.release();
}
void SdGlobalResourceContainer::AddResource (
::boost::shared_ptr<SdGlobalResource> pResource)
{
::osl::MutexGuard aGuard (mpImpl->maMutex);
Implementation::SharedResourceList::iterator iResource;
iResource = ::std::find (
mpImpl->maSharedResources.begin(),
mpImpl->maSharedResources.end(),
pResource);
if (iResource == mpImpl->maSharedResources.end())
mpImpl->maSharedResources.push_back(pResource);
else
{
DBG_ASSERT (false,
"SdGlobalResourceContainer:AddResource(): Resource added twice.");
}
}
::std::auto_ptr<SdGlobalResource> SdGlobalResourceContainer::ReleaseResource (
SdGlobalResource* pResource)
{
::std::auto_ptr<SdGlobalResource> pResult (NULL);
::osl::MutexGuard aGuard (mpImpl->maMutex);
Implementation::ResourceList::iterator iResource;
iResource = ::std::find (
mpImpl->maResources.begin(),
mpImpl->maResources.end(),
pResource);
if (iResource != mpImpl->maResources.end())
{
pResult.reset (*iResource);
mpImpl->maResources.erase(iResource);
}
return pResult;
}
SdGlobalResourceContainer::SdGlobalResourceContainer (void)
: mpImpl (new SdGlobalResourceContainer::Implementation())
{
Implementation::mpInstance = this;
}
SdGlobalResourceContainer::~SdGlobalResourceContainer (void)
{
::osl::MutexGuard aGuard (mpImpl->maMutex);
// Release the resources in reversed order of their addition to the
// container. This is because a resource A added before resource B
// may have been created due to a request of B. Thus B depends on A and
// should be destroyed first.
Implementation::ResourceList::reverse_iterator iResource;
for (iResource = mpImpl->maResources.rbegin();
iResource != mpImpl->maResources.rend();
++iResource)
{
delete *iResource;
}
// The SharedResourceList has not to be released manually. We just
// assert resources that are still held by someone other than us.
Implementation::SharedResourceList::reverse_iterator iSharedResource;
for (iSharedResource = mpImpl->maSharedResources.rbegin();
iSharedResource != mpImpl->maSharedResources.rend();
++iSharedResource)
{
if ( ! iSharedResource->unique())
{
SdGlobalResource* pResource = iSharedResource->get();
OSL_TRACE(" %p %d", pResource, iSharedResource->use_count());
DBG_ASSERT(iSharedResource->unique(),
"SdGlobalResource still held in ~SdGlobalResourceContainer");
}
}
DBG_ASSERT(Implementation::mpInstance == this,
"~SdGlobalResourceContainer(): more than one instance of singleton");
Implementation::mpInstance = NULL;
}
} // end of namespace sd
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