1 files changed, 93 insertions, 0 deletions
diff --git a/kdirstat/kactivitytracker.cpp b/kdirstat/kactivitytracker.cpp
new file mode 100644
index 0000000..a7a1826
--- /dev/null
+++ b/kdirstat/kactivitytracker.cpp
@@ -0,0 +1,93 @@
+
+/*
+ *   File name:	kactivitytracker.cpp
+ *   Summary:	Utility object to track user activity
+ *   License:	LGPL - See file COPYING.LIB for details.
+ *   Author:	Stefan Hundhammer <sh@suse.de>
+ *
+ *   Updated:	2003-01-07
+ */
+
+
+#include <kapp.h>
+#include <kdebug.h>
+#include <kconfig.h>
+#include "kactivitytracker.h"
+
+
+KActivityTracker::KActivityTracker( QObject *		parent,
+				    const QString &	id,
+				    long		initialThreshold )
+    : QObject( parent )
+{
+    _id		= id;
+    
+    KConfig * config = kapp->config();
+    config->setGroup( _id );
+    _sum	= config->readNumEntry( "activityPoints", 0 );
+    _lastSignal = config->readNumEntry( "lastSignal"	, 0 );
+    _threshold	= config->readNumEntry( "threshold", initialThreshold );
+}
+
+
+KActivityTracker::~KActivityTracker()
+{
+    // NOP
+}
+
+
+void
+KActivityTracker::setThreshold( long threshold )
+{
+    _threshold = threshold;
+    
+    KConfig * config = kapp->config();
+    config->setGroup( _id );
+    config->writeEntry( "threshold", _threshold );
+
+    checkThreshold();
+}
+
+
+void
+KActivityTracker::trackActivity( int points )
+{
+    _sum += points;
+
+    if ( _sum < 0 )	// handle long int overflow
+	_sum = 0;
+
+#if 0
+    kdDebug() << "Adding " << points << " activity points."
+	      << " Total: " << _sum << " threshold: " << _threshold
+	      << endl;
+#endif
+
+    KConfig * config = kapp->config();
+    config->setGroup( _id );
+    config->writeEntry( "activityPoints", _sum );
+
+    checkThreshold();
+}
+
+
+void
+KActivityTracker::checkThreshold()
+{
+    if ( _sum > _threshold && _lastSignal < _threshold )
+    {
+	// kdDebug() << "Activity threshold reached for " << _id << endl;
+
+	_lastSignal = _sum;
+	KConfig * config = kapp->config();
+	config->setGroup( _id );
+	config->writeEntry( "lastSignal", _lastSignal );
+	
+	emit thresholdReached();
+    }
+}
+
+
+
+
+// EOF