1 files changed, 58 insertions, 0 deletions
diff --git a/xbmc/settings/lib/ISettingsHandler.h b/xbmc/settings/lib/ISettingsHandler.h
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+++ b/xbmc/settings/lib/ISettingsHandler.h
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+/*
+ *  Copyright (C) 2013-2018 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
+
+/*!
+ \ingroup settings
+ \brief Interface defining methods being called by the settings system if an
+ action is performed on multiple/all settings
+ */
+class ISettingsHandler
+{
+public:
+  virtual ~ISettingsHandler() = default;
+
+  /*!
+   \brief Settings loading has been initiated.
+
+   \return True if the settings should be loaded, false if the loading should be aborted.
+   */
+  virtual bool OnSettingsLoading() { return true; }
+  /*!
+   \brief Settings have been loaded.
+
+   This callback can be used to trigger loading other settings.
+   */
+  virtual void OnSettingsLoaded() { }
+  /*!
+   \brief Settings saving has been initiated.
+
+   \return True if the settings should be saved, false if the saving should be aborted.
+   */
+  virtual bool OnSettingsSaving() const { return true; }
+  /*!
+   \brief Settings have been saved.
+
+   This callback can be used to trigger saving other settings.
+   */
+  virtual void OnSettingsSaved() const { }
+  /*!
+   \brief Setting values have been unloaded.
+
+   This callback can be used to trigger uninitializing any state variables
+   (e.g. before re-loading the settings).
+   */
+  virtual void OnSettingsUnloaded() { }
+  /*!
+   \brief Settings have been cleared.
+
+   This callback can be used to trigger clearing any state variables.
+   */
+  virtual void OnSettingsCleared() { }
+};