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/*
* 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/LanguageHook.h"
#include "threads/Event.h"
#include <map>
#include <mutex>
#include <set>
#include <Python.h>
namespace XBMCAddon
{
namespace Python
{
struct MutableInteger;
/**
* This class supplies the python specific functionality for
* plugging into the API. It's got a static only implementation
* and uses the singleton pattern for access.
*/
class PythonLanguageHook : public XBMCAddon::LanguageHook
{
PyInterpreterState* m_interp;
CCriticalSection crit;
std::set<AddonClass*> currentObjects;
// This constructor is only used to instantiate the global LanguageHook
inline PythonLanguageHook() : m_interp(NULL) { }
public:
inline explicit PythonLanguageHook(PyInterpreterState* interp) : m_interp(interp) { }
~PythonLanguageHook() override;
void DelayedCallOpen() override;
void DelayedCallClose() override;
void MakePendingCalls() override;
/**
* PythonCallbackHandler expects to be instantiated PER AddonClass instance
* that is to be used as a callback. This is why this cannot be instantiated
* once.
*
* There is an expectation that this method is called from the Python thread
* that instantiated an AddonClass that has the potential for a callback.
*
* See RetardedAsyncCallbackHandler for more details.
* See PythonCallbackHandler for more details
* See PythonCallbackHandler::PythonCallbackHandler for more details
*/
XBMCAddon::CallbackHandler* GetCallbackHandler() override;
String GetAddonId() override;
String GetAddonVersion() override;
long GetInvokerId() override;
void RegisterPlayerCallback(IPlayerCallback* player) override;
void UnregisterPlayerCallback(IPlayerCallback* player) override;
void RegisterMonitorCallback(XBMCAddon::xbmc::Monitor* monitor) override;
void UnregisterMonitorCallback(XBMCAddon::xbmc::Monitor* monitor) override;
bool WaitForEvent(CEvent& hEvent, unsigned int milliseconds) override;
static AddonClass::Ref<PythonLanguageHook> GetIfExists(PyInterpreterState* interp);
static bool IsAddonClassInstanceRegistered(AddonClass* obj);
void RegisterAddonClassInstance(AddonClass* obj);
void UnregisterAddonClassInstance(AddonClass* obj);
bool HasRegisteredAddonClassInstance(AddonClass* obj);
inline bool HasRegisteredAddonClasses()
{
std::unique_lock<CCriticalSection> l(*this);
return !currentObjects.empty();
}
// You should hold the lock on the LanguageHook itself if you're
// going to do anything with the set that gets returned.
inline std::set<AddonClass*>& GetRegisteredAddonClasses() { return currentObjects; }
void UnregisterMe();
void RegisterMe();
};
}
}
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