X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fgraphics%2FPreviews.h;h=db666d11bef8322f35304bea04e98b6892d396c8;hb=33243f70037b067f90d1574b74b34f90a2ef2aa1;hp=72b6c0d7c6090aa88e6b4ee0e37b06e3fd93a7b4;hpb=b676c4e77dece2a0642c898e27d76a726a0855f7;p=lyx.git

diff --git a/src/graphics/Previews.h b/src/graphics/Previews.h
index 72b6c0d7c6..db666d11be 100644
--- a/src/graphics/Previews.h
+++ b/src/graphics/Previews.h
@@ -1,65 +1,58 @@
 // -*- C++ -*-
 /**
- *  \file Previews.h
- *  Copyright 2002 the LyX Team
- *  Read the file COPYING
+ * \file Previews.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- * \author Angus Leeming <leeming@lyx.org>
+ * \author Angus Leeming
  *
- *  grfx::Previews is a singleton class that stores the grfx::PreviewLoader
- *  for each buffer requiring one.
+ * Full author contact details are available in file CREDITS.
+ *
+ * lyx::graphics::Previews is a singleton class that stores the
+ * lyx::graphics::PreviewLoader for each buffer requiring one.
  */
 
 #ifndef PREVIEWS_H
 #define PREVIEWS_H
 
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include "LString.h"
 #include <boost/utility.hpp>
 #include <boost/scoped_ptr.hpp>
 
 class Buffer;
+class LyXRC_PreviewStatus;
 
-namespace grfx {
+namespace lyx {
+namespace graphics {
 
 class PreviewLoader;
 
 class Previews : boost::noncopyable {
 public:
 	/// a wrapper for lyxrc.preview
-	static bool activated();
+	static LyXRC_PreviewStatus status();
 
 	/// This is a singleton class. Get the instance.
 	static Previews & get();
 
 	/** Returns the PreviewLoader for this buffer.
 	 *  Used by individual insets to update their own preview.
-	 *  We assert that (buffer != 0) but do not pass a Buffer &
-	 *  so that insets do not need to #include buffer.h
 	 */
-	PreviewLoader & loader(Buffer const * buffer);
+	PreviewLoader & loader(Buffer const & buffer) const;
 
-	/** Called from the Buffer d-tor.
-	 *  If (buffer == 0), does nothing.
-	 */
-	void removeLoader(Buffer const * buffer);
+	/// Called from the Buffer d-tor.
+	void removeLoader(Buffer const & buffer) const;
 
 	/** For a particular buffer, initiate the generation of previews
-	 *  for each and every snippetof LaTeX that's of interest with
+	 *  for each and every snippet of LaTeX that's of interest with
 	 *  a single forked process.
-	 *  If (buffer == 0), does nothing.
 	 */
-	void generateBufferPreviews(Buffer const & buffer);
+	void generateBufferPreviews(Buffer const & buffer) const;
 
 private:
 	/** Make the c-tor, d-tor private so we can control how many objects
 	 *  are instantiated.
 	 */
 	Previews();
-	///
 	~Previews();
 
 	/// Use the Pimpl idiom to hide the internals.
@@ -68,6 +61,7 @@ private:
 	boost::scoped_ptr<Impl> const pimpl_;
 };
 
-} // namespace grfx
+} // namespace graphics
+} // namespace lyx
 
 #endif // PREVIEWS_H