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utility-event: Remove unused event handler

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Michael Fabian 'Xaymar' Dirks 2019-10-13 05:58:53 +02:00
parent f1a376d44b
commit fd0b79e97d
2 changed files with 0 additions and 223 deletions
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105
source/utility/utility-event.cpp
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@ -1,105 +0,0 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2018 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "utility-event.hpp"
utility::event::event()
{
on.add = std::make_shared<utility::event>();
on.remove = std::make_shared<utility::event>();
on.empty = std::make_shared<utility::event>();
}
utility::event::~event()
{
clear();
on.add.reset();
on.remove.reset();
on.empty.reset();
}
size_t utility::event::add(listener_t callback)
{
_listeners.push_back(callback);
{
event_args_t args;
args.emplace("event", this);
args.emplace("listener", &callback);
on.add->call(args);
}
return _listeners.size();
}
size_t utility::event::remove(listener_t callback)
{
_listeners.remove(callback);
{
event_args_t args;
args.emplace("event", this);
args.emplace("listener", &callback);
on.remove->call(args);
}
if (_listeners.empty()) {
event_args_t args;
args.emplace("event", this);
on.empty->call(args);
}
return _listeners.size();
}
size_t utility::event::count()
{
return _listeners.size();
}
bool utility::event::empty()
{
return _listeners.empty();
}
void utility::event::clear()
{
_listeners.clear();
event_args_t args;
args.emplace("event", this);
on.empty->call(args);
}
size_t utility::event::call(event_args_t& arguments)
{
size_t idx = 0;
for (auto const& listener : _listeners) {
/*if (listener.first.expired()) {
// Lifeline has expired, so remove it.
_listeners.remove(listener);
continue;
}*/
//if (listener.second(listener.first, arguments)) {
// break;
// }
idx++;
}
return idx;
}

118
source/utility/utility-event.hpp
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@ -1,118 +0,0 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2018 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef OBS_STREAM_EFFECTS_UTILITY_EVENT_CPP
#define OBS_STREAM_EFFECTS_UTILITY_EVENT_CPP
#pragma once
#include <functional>
#include <list>
#include <map>
#include <memory>
#include <stdexcept>
#include <string>
namespace utility {
typedef std::weak_ptr<void> lifeline_t;
typedef std::map<std::string, void*> event_args_t;
#define D_EVENT_FUNC_T void(std::weak_ptr<void>, event_args_t)
typedef std::function<D_EVENT_FUNC_T> event_cb_t;
struct event_pair {
lifeline_t lifeline;
event_cb_t callback;
event_pair(lifeline_t _lifeline, event_cb_t _callback)
{
lifeline = _lifeline;
callback = _callback;
}
bool operator==(const event_pair& rhs)
{
return (!lifeline.owner_before(rhs.lifeline) && !rhs.lifeline.owner_before(lifeline))
&& (lifeline.lock() == rhs.lifeline.lock())
&& (callback.target<D_EVENT_FUNC_T>() == rhs.callback.target<D_EVENT_FUNC_T>());
}
};
typedef event_pair listener_t;
class event {
std::list<listener_t> _listeners;
public:
event();
virtual ~event();
size_t add(listener_t listener);
inline event operator+=(listener_t listener)
{
add(listener);
return *this;
}
size_t remove(listener_t listener);
inline event operator-=(listener_t listener)
{
remove(listener);
return *this;
}
size_t count();
bool empty();
inline operator bool()
{
return !this->empty();
}
void clear();
size_t call(event_args_t& arguments);
inline size_t operator()(event_args_t& arguments)
{
return call(arguments);
}
inline size_t call()
{
event_args_t args{};
return call(args);
}
inline size_t operator()()
{
return call();
}
public:
struct {
std::shared_ptr<utility::event> add;
std::shared_ptr<utility::event> remove;
std::shared_ptr<utility::event> empty;
} on;
};
} // namespace utility
#endif OBS_STREAM_EFFECTS_UTILITY_EVENT_CPP