From 81eb3b1af3ca83034474e559f06bd2f3ce125a3e Mon Sep 17 00:00:00 2001
From: Dan Paulat <dpaulat@gmail.com>
Date: Sun, 14 May 2023 08:36:21 -0500
Subject: [PATCH] Add timeline manager

---
 scwx-qt/scwx-qt.cmake                         |  2 +
 .../scwx/qt/manager/timeline_manager.cpp      | 48 +++++++++++++++++++
 .../scwx/qt/manager/timeline_manager.hpp      | 31 ++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 scwx-qt/source/scwx/qt/manager/timeline_manager.cpp
 create mode 100644 scwx-qt/source/scwx/qt/manager/timeline_manager.hpp

diff --git a/scwx-qt/scwx-qt.cmake b/scwx-qt/scwx-qt.cmake
index b56ec7cb..cf084fa1 100644
--- a/scwx-qt/scwx-qt.cmake
+++ b/scwx-qt/scwx-qt.cmake
@@ -65,12 +65,14 @@ set(HDR_MANAGER source/scwx/qt/manager/radar_product_manager.hpp
                 source/scwx/qt/manager/resource_manager.hpp
                 source/scwx/qt/manager/settings_manager.hpp
                 source/scwx/qt/manager/text_event_manager.hpp
+                source/scwx/qt/manager/timeline_manager.hpp
                 source/scwx/qt/manager/update_manager.hpp)
 set(SRC_MANAGER source/scwx/qt/manager/radar_product_manager.cpp
                 source/scwx/qt/manager/radar_product_manager_notifier.cpp
                 source/scwx/qt/manager/resource_manager.cpp
                 source/scwx/qt/manager/settings_manager.cpp
                 source/scwx/qt/manager/text_event_manager.cpp
+                source/scwx/qt/manager/timeline_manager.cpp
                 source/scwx/qt/manager/update_manager.cpp)
 set(HDR_MAP source/scwx/qt/map/alert_layer.hpp
             source/scwx/qt/map/color_table_layer.hpp
diff --git a/scwx-qt/source/scwx/qt/manager/timeline_manager.cpp b/scwx-qt/source/scwx/qt/manager/timeline_manager.cpp
new file mode 100644
index 00000000..ebf7d43a
--- /dev/null
+++ b/scwx-qt/source/scwx/qt/manager/timeline_manager.cpp
@@ -0,0 +1,48 @@
+#include <scwx/qt/manager/timeline_manager.hpp>
+#include <scwx/util/logger.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace manager
+{
+
+static const std::string logPrefix_ = "scwx::qt::manager::timeline_manager";
+static const auto        logger_    = scwx::util::Logger::Create(logPrefix_);
+
+class TimelineManager::Impl
+{
+public:
+   explicit Impl(TimelineManager* self) : self_ {self} {}
+
+   ~Impl() {}
+
+   TimelineManager* self_;
+};
+
+TimelineManager::TimelineManager() : p(std::make_unique<Impl>(this)) {}
+TimelineManager::~TimelineManager() = default;
+
+std::shared_ptr<TimelineManager> TimelineManager::Instance()
+{
+   static std::weak_ptr<TimelineManager> timelineManagerReference_ {};
+   static std::mutex                     instanceMutex_ {};
+
+   std::unique_lock lock(instanceMutex_);
+
+   std::shared_ptr<TimelineManager> timelineManager =
+      timelineManagerReference_.lock();
+
+   if (timelineManager == nullptr)
+   {
+      timelineManager           = std::make_shared<TimelineManager>();
+      timelineManagerReference_ = timelineManager;
+   }
+
+   return timelineManager;
+}
+
+} // namespace manager
+} // namespace qt
+} // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/manager/timeline_manager.hpp b/scwx-qt/source/scwx/qt/manager/timeline_manager.hpp
new file mode 100644
index 00000000..f37eadd3
--- /dev/null
+++ b/scwx-qt/source/scwx/qt/manager/timeline_manager.hpp
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <memory>
+
+#include <QObject>
+
+namespace scwx
+{
+namespace qt
+{
+namespace manager
+{
+
+class TimelineManager : public QObject
+{
+   Q_OBJECT
+
+public:
+   explicit TimelineManager();
+   ~TimelineManager();
+
+   static std::shared_ptr<TimelineManager> Instance();
+
+private:
+   class Impl;
+   std::unique_ptr<Impl> p;
+};
+
+} // namespace manager
+} // namespace qt
+} // namespace scwx