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/*
selectionmodelclient.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 "selectionmodelclient.h"
#include "client.h"
#include <QTimer>
using namespace GammaRay;
SelectionModelClient::SelectionModelClient(const QString &objectName, QAbstractItemModel *model,
QObject *parent)
: NetworkSelectionModel(objectName, model, parent)
, m_timer(new QTimer(this))
{
m_timer->setSingleShot(true);
m_timer->setInterval(125);
Q_ASSERT(model);
// We do use a timer to group requests to avoid network overhead
auto startTimer = [this]() { m_timer->start(); };
connect(model, &QAbstractItemModel::modelAboutToBeReset, this, &SelectionModelClient::clearPendingSelection);
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);
connect(m_timer, &QTimer::timeout, this, &SelectionModelClient::timeout);
m_myAddress = Client::instance()->objectAddress(objectName);
connect(Client::instance(), &Endpoint::objectRegistered,
this, &SelectionModelClient::serverRegistered);
connect(Client::instance(), &Endpoint::objectUnregistered,
this, &SelectionModelClient::serverUnregistered);
connectToServer();
}
SelectionModelClient::~SelectionModelClient()
{
m_timer->stop();
}
void SelectionModelClient::connectToServer()
{
if (m_myAddress == Protocol::InvalidObjectAddress)
return;
Client::instance()->registerMessageHandler(m_myAddress, this, "newMessage");
// There can be some delay between the selection model is created and its connections went done in the UI part.
// So, let delay the request a bit, not perfect but can help.
// Probably a better way would be to consider some GammaRay::Message to be pendable and put them in a pool
// to be handled again later.
// connectionEstablished does not seems to help here (bader).
QTimer::singleShot(125, this, &SelectionModelClient::requestSelection);
}
void SelectionModelClient::timeout()
{
applyPendingSelection();
}
void SelectionModelClient::serverRegistered(const QString &objectName,
Protocol::ObjectAddress objectAddress)
{
if (objectName == m_objectName) {
m_myAddress = objectAddress;
connectToServer();
}
}
void SelectionModelClient::serverUnregistered(const QString &objectName,
Protocol::ObjectAddress objectAddress)
{
Q_UNUSED(objectAddress);
if (objectName == m_objectName)
m_myAddress = Protocol::InvalidObjectAddress;
}
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