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4654a8bf96
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@34263 a592a061-630c-0410-9148-cb99ea01b6c8
83 lines
1.6 KiB
C++
83 lines
1.6 KiB
C++
/**
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* \file Previews.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "Previews.h"
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#include "PreviewLoader.h"
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#include "Buffer.h"
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#include "InsetIterator.h"
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#include "LyXRC.h"
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#include "insets/Inset.h"
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#include "support/shared_ptr.h"
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using namespace std;
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namespace lyx {
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namespace graphics {
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LyXRC_PreviewStatus Previews::status()
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{
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return lyxrc.preview;
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}
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namespace {
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typedef shared_ptr<PreviewLoader> PreviewLoaderPtr;
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///
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typedef map<Buffer const *, PreviewLoaderPtr> LyxCacheType;
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///
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static LyxCacheType preview_cache_;
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}
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PreviewLoader & Previews::loader(Buffer const & buffer) const
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{
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LyxCacheType::iterator it = preview_cache_.find(&buffer);
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if (it == preview_cache_.end()) {
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PreviewLoaderPtr ptr(new PreviewLoader(buffer));
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preview_cache_[&buffer] = ptr;
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return *ptr.get();
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}
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return *it->second.get();
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}
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void Previews::removeLoader(Buffer const & buffer) const
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{
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LyxCacheType::iterator it = preview_cache_.find(&buffer);
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if (it != preview_cache_.end())
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preview_cache_.erase(it);
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}
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void Previews::generateBufferPreviews(Buffer const & buffer) const
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{
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PreviewLoader & ploader = loader(buffer);
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Inset & inset = buffer.inset();
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InsetIterator it = inset_iterator_begin(inset);
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InsetIterator const end = inset_iterator_end(inset);
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for (; it != end; ++it)
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it->addPreview(it, ploader);
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ploader.startLoading();
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}
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} // namespace graphics
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} // namespace lyx
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