lyx_mirror/src/graphics/Previews.cpp
Peter Kümmel 4654a8bf96 build with GCC
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@34263 a592a061-630c-0410-9148-cb99ea01b6c8
2010-04-22 14:40:57 +00:00

83 lines
1.6 KiB
C++

/**
* \file Previews.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Angus Leeming
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Previews.h"
#include "PreviewLoader.h"
#include "Buffer.h"
#include "InsetIterator.h"
#include "LyXRC.h"
#include "insets/Inset.h"
#include "support/shared_ptr.h"
using namespace std;
namespace lyx {
namespace graphics {
LyXRC_PreviewStatus Previews::status()
{
return lyxrc.preview;
}
namespace {
typedef shared_ptr<PreviewLoader> PreviewLoaderPtr;
///
typedef map<Buffer const *, PreviewLoaderPtr> LyxCacheType;
///
static LyxCacheType preview_cache_;
}
PreviewLoader & Previews::loader(Buffer const & buffer) const
{
LyxCacheType::iterator it = preview_cache_.find(&buffer);
if (it == preview_cache_.end()) {
PreviewLoaderPtr ptr(new PreviewLoader(buffer));
preview_cache_[&buffer] = ptr;
return *ptr.get();
}
return *it->second.get();
}
void Previews::removeLoader(Buffer const & buffer) const
{
LyxCacheType::iterator it = preview_cache_.find(&buffer);
if (it != preview_cache_.end())
preview_cache_.erase(it);
}
void Previews::generateBufferPreviews(Buffer const & buffer) const
{
PreviewLoader & ploader = loader(buffer);
Inset & inset = buffer.inset();
InsetIterator it = inset_iterator_begin(inset);
InsetIterator const end = inset_iterator_end(inset);
for (; it != end; ++it)
it->addPreview(it, ploader);
ploader.startLoading();
}
} // namespace graphics
} // namespace lyx