Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/xbmc/interfaces/python/CallbackHandler.h b/xbmc/interfaces/python/CallbackHandler.h
new file mode 100644
index 0000000..b128b27
--- /dev/null
+++ b/xbmc/interfaces/python/CallbackHandler.h
@@ -0,0 +1,40 @@
+/*
+ *  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 "interfaces/legacy/CallbackHandler.h"
+
+#include <Python.h>
+
+namespace XBMCAddon
+{
+  namespace Python
+  {
+    /**
+     * This class represents a specialization of the callback handler
+     *  that specifically checks to see if we're in an OK thread state
+     *  based on Python specifics.
+     */
+    class PythonCallbackHandler : public RetardedAsyncCallbackHandler
+    {
+      PyThreadState* objectThreadState;
+    public:
+
+      /**
+       * We are ASS-U-MEing that this construction is happening
+       *  within the context of a Python call. This way we can
+       *  store off the PyThreadState to later verify that we're
+       *  handling callbacks in the appropriate thread.
+       */
+      PythonCallbackHandler();
+      bool isStateOk(AddonClass* obj) override;
+      bool shouldRemoveCallback(AddonClass* obj, void* threadState) override;
+    };
+  }
+}