1 files changed, 84 insertions, 0 deletions
diff --git a/TAO/tests/Xt_Stopwatch/timer.cpp b/TAO/tests/Xt_Stopwatch/timer.cpp
new file mode 100644
index 00000000000..ce807616e3e
--- /dev/null
+++ b/TAO/tests/Xt_Stopwatch/timer.cpp
@@ -0,0 +1,84 @@
+//$Id$
+#include "timer.h"
+
+
+Timer_imp::Timer_imp (XtAppContext &app,
+                      CORBA::Long interval,
+                      Stopwatch_display *stopwatch)
+  :stopwatch_ (stopwatch),
+   counter_ (0),
+   interval_ (interval),
+   id_ (0),
+   app_ (app)
+{
+}
+
+void
+Timer_imp::start (void)
+{
+  // Reset the elapsed time
+  this->counter_ = 0;
+
+  // If a previous callback is still in effect, remove it
+  if (this->id_)
+    {
+      XtRemoveTimeOut (this->id_);
+      this->id_ = 0;
+    }
+
+  // Register a function to be called in interval_ milliseconds
+  this->id_ = XtAppAddTimeOut (this->app_,
+                               this->interval_,
+                               &Timer_imp::tick_callback,
+                               (XtPointer) this );
+}
+
+void
+Timer_imp::stop (void)
+{
+    // Remove the current timeout function, if any
+  if (this->id_)
+    XtRemoveTimeOut (this->id_);
+
+    this->id_ = 0;
+}
+
+CORBA::Float
+Timer_imp::elapsed_time(void)
+{
+    return ((CORBA::Float) counter_ * interval_ / 1000.0 );
+}
+
+void
+Timer_imp::tick_callback (XtPointer client_data,
+                          XtIntervalId * )
+{
+  // Get the object pointer and call the corresponding tick function
+  Timer_imp *obj = static_cast<Timer_imp *> (client_data);
+  obj->tick ();
+}
+
+
+void
+Timer_imp::tick (void)
+{
+  // Increment a counter for each tick
+  counter_++;
+
+  // Call derived class function to report time
+  this->report_time (this->elapsed_time ());
+
+  // Reinstall the timeout callback
+  this->id_ = XtAppAddTimeOut (app_,
+                               interval_,
+                               &Timer_imp::tick_callback,
+                               (XtPointer) this);
+}
+
+void
+Timer_imp::report_time (CORBA::Float time)
+{
+  stopwatch_->set_time (time);
+}
+
+