1 files changed, 95 insertions, 0 deletions
diff --git a/xbmc/interfaces/AnnouncementManager.h b/xbmc/interfaces/AnnouncementManager.h
new file mode 100644
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+++ b/xbmc/interfaces/AnnouncementManager.h
@@ -0,0 +1,95 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "IAnnouncer.h"
+#include "threads/CriticalSection.h"
+#include "threads/Event.h"
+#include "threads/Thread.h"
+#include "utils/Variant.h"
+
+#include <list>
+#include <memory>
+#include <vector>
+
+class CFileItem;
+class CVariant;
+
+namespace ANNOUNCEMENT
+{
+  class CAnnouncementManager : public CThread
+  {
+  public:
+    CAnnouncementManager();
+    ~CAnnouncementManager() override;
+
+    void Start();
+    void Deinitialize();
+
+    void AddAnnouncer(IAnnouncer *listener);
+    void RemoveAnnouncer(IAnnouncer *listener);
+
+    void Announce(AnnouncementFlag flag, const std::string& message);
+    void Announce(AnnouncementFlag flag, const std::string& message, const CVariant& data);
+    void Announce(AnnouncementFlag flag,
+                  const std::string& message,
+                  const std::shared_ptr<const CFileItem>& item);
+    void Announce(AnnouncementFlag flag,
+                  const std::string& message,
+                  const std::shared_ptr<const CFileItem>& item,
+                  const CVariant& data);
+
+    void Announce(AnnouncementFlag flag, const std::string& sender, const std::string& message);
+    void Announce(AnnouncementFlag flag,
+                  const std::string& sender,
+                  const std::string& message,
+                  const CVariant& data);
+    void Announce(AnnouncementFlag flag,
+                  const std::string& sender,
+                  const std::string& message,
+                  const std::shared_ptr<const CFileItem>& item,
+                  const CVariant& data);
+
+    // The sender is not related to the application name.
+    // Also it's part of Kodi's API - changing it will break
+    // a big number of python addons and third party json consumers.
+    static const std::string ANNOUNCEMENT_SENDER;
+
+  protected:
+    void Process() override;
+    void DoAnnounce(AnnouncementFlag flag,
+                    const std::string& sender,
+                    const std::string& message,
+                    const std::shared_ptr<CFileItem>& item,
+                    const CVariant& data);
+    void DoAnnounce(AnnouncementFlag flag,
+                    const std::string& sender,
+                    const std::string& message,
+                    const CVariant& data);
+
+    struct CAnnounceData
+    {
+      AnnouncementFlag flag;
+      std::string sender;
+      std::string message;
+      std::shared_ptr<CFileItem> item;
+      CVariant data;
+    };
+    std::list<CAnnounceData> m_announcementQueue;
+    CEvent m_queueEvent;
+
+  private:
+    CAnnouncementManager(const CAnnouncementManager&) = delete;
+    CAnnouncementManager const& operator=(CAnnouncementManager const&) = delete;
+
+    CCriticalSection m_announcersCritSection;
+    CCriticalSection m_queueCritSection;
+    std::vector<IAnnouncer *> m_announcers;
+  };
+}