Function cellPad_NotifyStateChange

ps3fw/cellPad.cpp:163–239

extern void send_sys_io_connect_event(usz index, u32 state);

bool cellPad_NotifyStateChange(usz index, u64 /*state*/, bool locked, bool is_blocking = true)
{
	auto info = g_fxo->try_get<pad_info>();

	if (!info)
	{
		return true;
	}

	std::unique_lock lock(pad::g_pad_mutex, std::defer_lock);

	if (locked)
	{
		if (is_blocking)
		{
			lock.lock();
		}
		else
		{
			if (!lock.try_lock())
			{
				return false;
			}
		}
	}

	if (index >= info->get_max_connect())
	{
		return true;
	}

	const auto handler = pad::get_pad_thread();
	const auto& pads = handler->GetPads();
	const auto& pad = pads[index];

	if (pad->is_fake_pad)
	{
		return true;
	}

	pad_data_internal& reported_info = info->reported_info[index];
	const u32 old_status = reported_info.port_status;

	// Ignore sent status for now, use the latest instead
	// NOTE 1: The state's CONNECTED bit should currently be identical to the current
	//         m_port_status CONNECTED bit when called from our pad handlers.
	// NOTE 2: Make sure to propagate all other status bits to the reported status.
	const u32 new_status = pad->m_port_status;

	if (~(old_status ^ new_status) & CELL_PAD_STATUS_CONNECTED)
	{
		// old and new have the same connection status
		return true;
	}

	reported_info.port_status = new_status | CELL_PAD_STATUS_ASSIGN_CHANGES;
	reported_info.device_capability = pad->m_device_capability;
	reported_info.device_type = pad->m_device_type;