Initial commit

Lts/Services/AudioVideoManagement/active_exercises.cpp

@@ -0,0 +1,56 @@
+/**
+  * @RDE_HEADER@
+  * ActiveExerciseWithRadioGroup
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Christian Fröbel, NLSE, 2018-02-16
+  */
+
+#include "active_exercises.h"
+#include "exercise_context.h"
+#include "exercises_handler.h"
+#include <QtGlobal>
+#include <algorithm>
+
+namespace AudioVideoManagement
+{
+
+ActiveExercises::ActiveExercises(ExercisesHandler *exercisesHandler)
+{
+  Q_ASSERT(exercisesHandler);
+
+  connect(exercisesHandler, &ExercisesHandler::contextActivated, this, &ActiveExercises::onContextActivated);
+  connect(exercisesHandler, &ExercisesHandler::contextDeactivated, this, &ActiveExercises::onContextDeactivated);
+}
+
+const std::vector<ExerciseContext> &ActiveExercises::allContexts() const
+{
+  return m_activeExercises;
+}
+
+ActiveExercises::~ActiveExercises() = default;
+
+void ActiveExercises::onContextActivated(const ExerciseContext &context)
+{
+  Q_ASSERT(!context.isDefault());
+  m_activeExercises.push_back(context);
+  emit contextActivated(context);
+}
+
+void ActiveExercises::onContextDeactivated(const ExerciseContext &context)
+{
+  auto        newEnd = std::remove(m_activeExercises.begin(), m_activeExercises.end(), context);
+  const int   removeCount = m_activeExercises.end() - newEnd;
+  Q_ASSERT(removeCount == 1);
+  m_activeExercises.erase(newEnd, m_activeExercises.end());
+  emit contextDeactivated(context);
+}
+
+bool   ActiveExercises::isActive(const ExerciseContext &context) const
+{
+  auto   found = std::find(m_activeExercises.begin(), m_activeExercises.end(), context);
+  return found != m_activeExercises.end();
+}
+
+} // namespace AudioVideoManagement