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/* Copyright (c) 2016, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or distribute this
* software for any purpose with or without fee is hereby granted,
* provided that the above copyright notice and this permission
* notice appear in all copies.
*/
#include "connector.hpp"
#include "value.hpp"
#include <utility>
namespace options::detail {
static bool generic_is_equal(const QVariant& val1, const QVariant& val2)
{
return val1 == val2;
}
connector::~connector() = default;
bool connector::is_equal(const QString& name, const QVariant& val1, const QVariant& val2) const
{
QMutexLocker l(get_mtx());
auto it = connected_values.find(name);
if (it != connected_values.cend() && !std::get<0>((*it).second).empty())
return std::get<1>((*it).second)(val1, val2);
else
return generic_is_equal(val1, val2);
}
bool connector::on_value_destructed_impl(const QString& name, value_type val)
{
QMutexLocker l(get_mtx());
auto it = connected_values.find(name);
if (it != connected_values.end())
{
std::vector<value_type>& values = std::get<0>((*it).second);
for (auto it = values.begin(); it != values.end(); it++)
{
if (*it == val)
{
values.erase(it);
return true;
}
}
}
return false;
}
void connector::on_value_destructed(const QString& name, value_type val)
{
if (!name.size())
return;
const bool ok = on_value_destructed_impl(name, val);
if (!ok)
qWarning() << "options/connector: value destructed without creating;"
<< "bundle"
<< val->b->name()
<< "value-name" << name
<< "value-ptr" << quintptr(val);
}
void connector::on_value_created(const QString& name, value_type val)
{
if (!name.size())
return;
QMutexLocker l(get_mtx());
int i = 1;
while (on_value_destructed_impl(name, val))
{
qWarning() << "options/connector: value created twice;"
<< "cnt" << i++
<< "bundle" << val->b->name()
<< "value-name" << name
<< "value-ptr" << quintptr(val);
}
auto it = connected_values.find(name);
if (it != connected_values.end())
{
tt& tmp = (*it).second;
std::type_index& typeidx = std::get<2>(tmp);
std::vector<value_type>& values = std::get<0>(tmp);
if (typeidx != val->type_index)
std::get<1>((*it).second) = generic_is_equal;
values.push_back(val);
}
else
{
std::vector<value_type> vec;
vec.push_back(val);
connected_values.emplace(name, tt(vec, val->cmp, val->type_index));
}
}
void connector::notify_values(const QString& name) const
{
auto it = connected_values.find(name);
if (it != connected_values.cend())
for (value_type val : std::get<0>((*it).second))
val->bundle_value_changed();
}
void connector::notify_all_values() const
{
for (auto& [k, v] : connected_values)
for (value_type val : std::get<0>(v))
val->bundle_value_changed();
}
connector::connector() = default;
} // ns options::detail
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