1 files changed, 51 insertions, 0 deletions
diff --git a/xbmc/dialogs/GUIDialogBusy.h b/xbmc/dialogs/GUIDialogBusy.h
new file mode 100644
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+++ b/xbmc/dialogs/GUIDialogBusy.h
@@ -0,0 +1,51 @@
+/*
+ *  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 "guilib/GUIDialog.h"
+
+class IRunnable;
+class CEvent;
+
+class CGUIDialogBusy: public CGUIDialog
+{
+public:
+  CGUIDialogBusy(void);
+  ~CGUIDialogBusy(void) override;
+  bool OnBack(int actionID) override;
+  void DoProcess(unsigned int currentTime, CDirtyRegionList &dirtyregions) override;
+  void Render() override;
+  /*! \brief set the current progress of the busy operation
+   \param progress a percentage of progress
+   */
+  bool IsCanceled() { return m_bCanceled; }
+
+  /*! \brief Wait for a runnable to execute off-thread.
+   Creates a thread to run the given runnable, and while waiting
+   it displays the busy dialog.
+   \param runnable the IRunnable to run.
+   \param displaytime the time in ms to wait prior to showing the busy dialog (defaults to 100ms)
+   \param allowCancel whether the user can cancel the wait, defaults to true.
+   \return true if the runnable completes, false if the user cancels early.
+   */
+  static bool Wait(IRunnable *runnable, unsigned int displaytime, bool allowCancel);
+
+  /*! \brief Wait on an event while displaying the busy dialog.
+   Throws up the busy dialog after the given time.
+   \param event the CEvent to wait on.
+   \param displaytime the time in ms to wait prior to showing the busy dialog (defaults to 100ms)
+   \param allowCancel whether the user can cancel the wait, defaults to true.
+   \return true if the event completed, false if cancelled.
+   */
+  static bool WaitOnEvent(CEvent &event, unsigned int displaytime = 100, bool allowCancel = true);
+protected:
+  void Open_Internal(bool bProcessRenderLoop, const std::string& param = "") override;
+  bool m_bCanceled;
+  bool m_bLastVisible = false;
+};