+// BackgroundProcessingDocument - Base Class
+
+IMPLEMENT_DYNAMIC_CLASS(BackgroundProcessingDocument, wxDocument)
+BEGIN_EVENT_TABLE(BackgroundProcessingDocument, wxDocument)
+EVT_MENU(BackgroundSupervisor::MSG_BACKGROUND_SUPERVISOR_ADD, BackgroundProcessingDocument::OnAddBackground)
+EVT_MENU(BackgroundSupervisor::MSG_BACKGROUND_SUPERVISOR_REMOVE, BackgroundProcessingDocument::OnRemoveBackground)
+END_EVENT_TABLE()
+
+void
+BackgroundProcessingDocument::OnAddBackground (wxCommandEvent& event)
+{
+ BackgroundSupervisor* pSupervisor = reinterpret_cast<BackgroundSupervisor*>(event.GetClientData());
+ wxASSERT (pSupervisor != NULL);
+
+ wxCriticalSectionLocker locker (m_criticalSection);
+ if (pSupervisor)
+ m_vecpBackgroundSupervisors.push_back (pSupervisor);
+}
+
+void
+BackgroundProcessingDocument::OnRemoveBackground (wxCommandEvent& event)
+{
+ BackgroundSupervisor* pSupervisor = reinterpret_cast<BackgroundSupervisor*>(event.GetClientData());
+ wxASSERT (pSupervisor != NULL);
+
+ m_criticalSection.Enter();
+ bool bFound = false;
+ for (BackgroundContainer::iterator i = m_vecpBackgroundSupervisors.begin();
+ i != m_vecpBackgroundSupervisors.end();
+ i++)
+ if (*i == pSupervisor) {
+ m_vecpBackgroundSupervisors.erase(i);
+ bFound = true;
+ break;
+ }
+ m_criticalSection.Leave();
+
+ if (! bFound)
+ sys_error (ERR_SEVERE, "Could not find background task [OnRemoveBackground]");
+
+ wxCommandEvent ackEvent (wxEVT_COMMAND_MENU_SELECTED, BackgroundSupervisor::MSG_DOCUMENT_ACK_REMOVE);
+ wxPostEvent (pSupervisor, ackEvent);
+}
+
+void
+BackgroundProcessingDocument::cancelRunningTasks()
+{
+ m_criticalSection.Enter();
+ for (BackgroundContainer::iterator i = m_vecpBackgroundSupervisors.begin();
+ i != m_vecpBackgroundSupervisors.end(); i++)
+ BackgroundSupervisor::cancelSupervisor(*i);
+ m_criticalSection.Leave();
+
+ while (m_vecpBackgroundSupervisors.size() > 0) {
+ ::wxYield();
+ ::wxUsleep(50);
+ }
+}
+
+