The disk usage is no longer automatically added to the title of the main and "Recordings" menus

1 files changed, 39 insertions, 1 deletions

diff --git a/videodir.h b/videodir.h
index 253e07b0..0a0587a6 100644
--- a/videodir.h
+++ b/videodir.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: videodir.h 1.7 2008/02/16 12:53:11 kls Exp $
+ * $Id: videodir.h 2.1 2012/04/22 15:07:56 kls Exp $
  */
 
 #ifndef __VIDEODIR_H
@@ -25,4 +25,42 @@ cString PrefixVideoFileName(const char *FileName, char Prefix);
 void RemoveEmptyVideoDirectories(void);
 bool IsOnVideoDirectoryFileSystem(const char *FileName);
 
+class cVideoDiskUsage {
+private:
+  static int state;
+  static time_t lastChecked;
+  static int usedPercent;
+  static int freeMB;
+  static int freeMinutes;
+public:
+  static bool HasChanged(int &State);
+    ///< Returns true if the usage of the video disk space has changed since the last
+    ///< call to this function with the given State variable. The caller should
+    ///< initialize State to -1, and it will be set to the current internal state
+    ///< value of the video disk usage checker upon return. Future calls with the same
+    ///< State variable can then quickly check for changes.
+  static void ForceCheck(void) { lastChecked = 0; }
+    ///< To avoid unnecessary load, the video disk usage is only actually checked
+    ///< every DISKSPACECHEK seconds. Calling ForceCheck() makes sure that the next call
+    ///< to HasChanged() will check the disk usage immediately. This is useful in case
+    ///< some files have been deleted and the result shall be displayed instantly.
+  static cString String(void);
+    ///< Returns a localized string of the form "Disk nn%  -  hh:mm free".
+    ///< This function is mainly for use in skins that want to retain the display of the
+    ///< free disk space in the menu title, as was the case until VDR version 1.7.27.
+    ///< An implicit call to HasChanged() is done in this function, to make sure the
+    ///< returned value is up to date.
+  static int UsedPercent(void) { return usedPercent; }
+    ///< Returns the used space of the video disk in percent.
+    ///< The caller should call HasChanged() first, to make sure the value is up to date.
+  static int FreeMB(void) { return freeMB; }
+    ///< Returns the amount of free space on the video disk in MB.
+    ///< The caller should call HasChanged() first, to make sure the value is up to date.
+  static int FreeMinutes(void) { return freeMinutes; }
+    ///< Returns the number of minutes that can still be recorded on the video disk.
+    ///< This is an estimate and depends on the data rate of the existing recordings.
+    ///< There is no guarantee that this value will actually be met.
+    ///< The caller should call HasChanged() first, to make sure the value is up to date.
+  };
+
 #endif //__VIDEODIR_H