X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fgraphics%2FGraphicsCacheItem.h;h=9cee2b872e61524d67baf57f2d7c146628cff78c;hb=ad16347b087943741eaca30cc048e1aa32ad57c0;hp=69ca82ef2191252aadb4d644e5b815ed9b68745a;hpb=44cd0fc9a1687cc63911c7f98d978594458e7813;p=lyx.git

diff --git a/src/graphics/GraphicsCacheItem.h b/src/graphics/GraphicsCacheItem.h
index 69ca82ef21..9cee2b872e 100644
--- a/src/graphics/GraphicsCacheItem.h
+++ b/src/graphics/GraphicsCacheItem.h
@@ -9,11 +9,11 @@
  *
  * Full author contact details are available in file CREDITS.
  *
- * The graphics cache is a container of lyx::graphics::CacheItems.
- * Each lyx::graphics::CacheItem, defined here represents a separate image file.
+ * The graphics cache is a container of graphics::CacheItems.
+ * Each graphics::CacheItem, defined here represents a separate image file.
  *
  * The routines here can be used to load the graphics file into memory at
- * which point (status() == lyx::graphics::Loaded).
+ * which point (status() == graphics::Loaded).
  * The user is then free to access image() in order to copy it and to then
  * transform the copy (rotate, scale, clip) and to generate the pixmap.
  *
@@ -21,8 +21,8 @@
  * file conversion to a loadable format;
  * file loading.
  *
- * Whether you get that, of course, depends on lyx::graphics::Converter and
- * on the lyx::graphics::Image-derived image class.
+ * Whether you get that, of course, depends on graphics::Converter and
+ * on the graphics::Image-derived image class.
  */
 
 #ifndef GRAPHICSCACHEITEM_H
@@ -30,30 +30,31 @@
 
 #include "GraphicsTypes.h"
 
-#include <boost/utility.hpp>
-#include <boost/scoped_ptr.hpp>
-#include <boost/signals/signal0.hpp>
+#include <boost/signals2.hpp>
 
 
-class InsetGraphics;
-
 namespace lyx {
+
+namespace support { class FileName; }
+
 namespace graphics {
 
 class Image;
 class Converter;
 
-/// A lyx::graphics::Cache item holder.
-class CacheItem : boost::noncopyable {
+/// A graphics::Cache item holder.
+class CacheItem {
 public:
 	///
-	CacheItem(std::string const & file);
-
-	/// Define an empty d-tor out-of-line to keep boost::scoped_ptr happy.
+	CacheItem(support::FileName const & file, support::FileName const & doc_file);
+	/// Needed for the pimpl
 	~CacheItem();
 
 	///
-	std::string const & filename() const;
+	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;
@@ -65,11 +66,8 @@ public:
 	void startMonitoring() const;
 	///
 	bool monitoring() const;
-	/** Returns the check sum 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.
@@ -84,16 +82,19 @@ public:
 	/** Connect and you'll be informed when the loading status of the image
 	 *  changes.
 	 */
-	typedef boost::signal0<void>::slot_type slot_type;
+	typedef boost::signals2::signal<void()>::slot_type slot_type;
 	///
-	boost::signals::connection connect(slot_type const &) const;
+	boost::signals2::connection connect(slot_type const &) const;
 
 private:
+	/// noncopyable
+	CacheItem(CacheItem const &);
+	void operator=(CacheItem const &);
+
 	/// Use the Pimpl idiom to hide the internals.
 	class Impl;
-
 	/// The pointer never changes although *pimpl_'s contents may.
-	boost::scoped_ptr<Impl> const pimpl_;
+	Impl * const pimpl_;
 };
 
 } // namespace graphics