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diff --git a/xbmc/video/PlayerController.h b/xbmc/video/PlayerController.h
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+/*
+ *  Copyright (C) 2012-2018 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 "guilib/ISliderCallback.h"
+#include "input/Key.h"
+#include "interfaces/IActionListener.h"
+#include "utils/MovingSpeed.h"
+
+/*! \brief Player controller class to handle user actions.
+
+ Handles actions that are normally suited to fullscreen playback, such as
+ altering subtitles and audio tracks, changing aspect ratio, subtitle placement,
+ and placement of the video on screen.
+ */
+class CPlayerController : public ISliderCallback, public IActionListener
+{
+public:
+  static CPlayerController& GetInstance();
+
+  /*! \brief Perform a player control action if appropriate.
+  \param action the action to perform.
+  \return true if the action is considered handled, false if it should be handled elsewhere.
+  */
+  bool OnAction(const CAction &action) override;
+
+  /*! \brief Callback from the slider dialog.
+   \sa CGUIDialogSlider
+   */
+  void OnSliderChange(void *data, CGUISliderControl *slider) override;
+
+protected:
+  CPlayerController();
+  CPlayerController(const CPlayerController&) = delete;
+  CPlayerController& operator=(CPlayerController const&) = delete;
+  ~CPlayerController() override;
+
+private:
+  /*! \brief pop up a slider dialog for a particular action
+   \param action id of the action the slider responds to
+   \param label id of the label to display
+   \param value value to set on the slider
+   \param min minimum value the slider may take
+   \param delta change value to advance the slider by with each click
+   \param max maximal value the slider may take
+   \param modal true if we should wait for the slider to finish. Defaults to false
+   */
+  void ShowSlider(int action, int label, float value, float min, float delta, float max, bool modal = false);
+
+  int m_sliderAction = 0; ///< \brief set to the action id for a slider being displayed \sa ShowSlider
+  UTILS::MOVING_SPEED::CMovingSpeed m_movingSpeed;
+};