X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fgraphics%2FGraphicsCacheItem.h;h=6f7f968bc6a44086af831849470043faa4053c0e;hb=8663a371f31dc7bb888071c15a0b2cd4c3669c60;hp=3f8f7e100f75188fcbc44515dc66415c73669279;hpb=377ae30bd8dd025e6e676691b9142c086aad87e9;p=lyx.git

diff --git a/src/graphics/GraphicsCacheItem.h b/src/graphics/GraphicsCacheItem.h
index 3f8f7e100f..6f7f968bc6 100644
--- a/src/graphics/GraphicsCacheItem.h
+++ b/src/graphics/GraphicsCacheItem.h
@@ -30,7 +30,7 @@
 
 #include "GraphicsTypes.h"
 
-#include <boost/signal.hpp>
+#include "support/signals.h"
 
 
 namespace lyx {
@@ -46,13 +46,16 @@ class Converter;
 class CacheItem {
 public:
 	///
-	CacheItem(support::FileName const & file);
+	CacheItem(support::FileName const & file, support::FileName const & doc_file);
 	/// Needed for the pimpl
 	~CacheItem();
 
 	///
 	support::FileName const & filename() const;
 
+	/// Try to load a display format.
+	bool tryDisplayFormat() const;
+
 	/// It's in the cache. Now start the loading process.
 	void startLoading() const;
 
@@ -63,11 +66,8 @@ public:
 	void startMonitoring() const;
 	///
 	bool monitoring() const;
-	/** Returns the check checksum of filename() so that, for example, you can
-	 *  ascertain whether to output a new PostScript version of the file
-	 *  for a LaTeX run.
-	 */
-	unsigned long checksum() const;
+	/// perform a modification check asynchronously
+	void checkModifiedAsync() const;
 
 	/** Get the image associated with filename().
 	 *  If the image is not yet loaded, returns 0.
@@ -82,10 +82,9 @@ public:
 	/** Connect and you'll be informed when the loading status of the image
 	 *  changes.
 	 */
-	typedef boost::signal<void()> sig_type;
-	typedef sig_type::slot_type slot_type;
+	typedef signals2::signal<void()>::slot_type slot_type;
 	///
-	boost::signals::connection connect(slot_type const &) const;
+	signals2::connection connect(slot_type const &) const;
 
 private:
 	/// noncopyable