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/*
selectionmodelserver.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2013 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "selectionmodelserver.h"
#include "server.h"
#include <QTimer>
using namespace GammaRay;
SelectionModelServer::SelectionModelServer(const QString &objectName, QAbstractItemModel *model,
QObject *parent)
: NetworkSelectionModel(objectName, model, parent)
, m_timer(new QTimer(this))
, m_monitored(false)
{
// We do use a timer to group requests to avoid network overhead
m_timer->setSingleShot(true);
m_timer->setInterval(125);
connect(m_timer, &QTimer::timeout, this, &SelectionModelServer::timeout);
m_myAddress = Server::instance()->registerObject(objectName, this, Server::ExportNothing);
Server::instance()->registerMessageHandler(m_myAddress, this, "newMessage");
Server::instance()->registerMonitorNotifier(m_myAddress, this, "modelMonitored");
connect(Endpoint::instance(), &Endpoint::disconnected, this, [this] { modelMonitored(); });
}
SelectionModelServer::~SelectionModelServer() = default;
bool SelectionModelServer::isConnected() const
{
return NetworkSelectionModel::isConnected() && m_monitored;
}
void SelectionModelServer::timeout()
{
sendSelection();
}
void SelectionModelServer::modelMonitored(bool monitored)
{
if (m_monitored == monitored)
return;
if (m_monitored)
disconnectModel();
m_monitored = monitored;
if (m_monitored)
connectModel();
}
void SelectionModelServer::connectModel()
{
Q_ASSERT(model());
auto startTimer = [this]() { m_timer->start(); };
connect(model(), &QAbstractItemModel::modelReset, m_timer, startTimer);
connect(model(), &QAbstractItemModel::rowsInserted, m_timer, startTimer);
connect(model(), &QAbstractItemModel::rowsMoved, m_timer, startTimer);
connect(model(), &QAbstractItemModel::columnsInserted, m_timer, startTimer);
connect(model(), &QAbstractItemModel::columnsMoved, m_timer, startTimer);
connect(model(), &QAbstractItemModel::layoutChanged, m_timer, startTimer);
}
void SelectionModelServer::disconnectModel()
{
if (!model())
return;
disconnect(model(), &QAbstractItemModel::modelReset, m_timer, nullptr);
disconnect(model(), &QAbstractItemModel::rowsInserted, m_timer, nullptr);
disconnect(model(), &QAbstractItemModel::rowsMoved, m_timer, nullptr);
disconnect(model(), &QAbstractItemModel::columnsInserted, m_timer, nullptr);
disconnect(model(), &QAbstractItemModel::columnsMoved, m_timer, nullptr);
disconnect(model(), &QAbstractItemModel::layoutChanged, m_timer, nullptr);
}
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