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/*
bindingextension.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2017 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
// Own
#include "bindingextension.h"
#include "bindingmodel.h"
#include <core/abstractbindingprovider.h>
#include <core/bindingaggregator.h>
#include <core/bindingnode.h>
#include <core/objectdataprovider.h>
#include <core/probe.h>
#include <core/problemcollector.h>
#include <core/propertycontroller.h>
#include <common/objectbroker.h>
// Qt
#include <QMetaProperty>
#include <QMetaObject>
using namespace GammaRay;
BindingExtension::BindingExtension(PropertyController *controller)
: QObject(controller)
, PropertyControllerExtension(controller->objectBaseName() + ".bindings")
, m_object(nullptr)
, m_bindingModel(new BindingModel(this))
{
ObjectBroker::registerObject(controller->objectBaseName() + ".bindingsExtension", this);
controller->registerModel(m_bindingModel, QStringLiteral("bindingModel"));
}
BindingExtension::~BindingExtension() = default;
void BindingExtension::clear()
{
if (m_object)
disconnect(m_object, nullptr, this, nullptr);
m_bindingModel->aboutToClear();
m_bindings.clear();
m_object = nullptr;
m_bindingModel->cleared();
}
bool BindingExtension::setQObject(QObject *object)
{
if (m_object)
disconnect(m_object, nullptr, this, nullptr);
if (object) {
if (!BindingAggregator::providerAvailableFor(object)) {
m_bindings.clear();
m_bindingModel->setObject(nullptr, m_bindings);
m_object = nullptr;
return false;
}
m_bindings = BindingAggregator::bindingTreeForObject(object);
for (const auto &node : m_bindings) {
int signalIndex = node->property().notifySignalIndex();
if (signalIndex != -1) {
QMetaObject::connect(object, signalIndex, this, metaObject()->indexOfMethod("propertyChanged()"), Qt::UniqueConnection);
}
}
connect(object, &QObject::destroyed, this, &BindingExtension::clear);
} else {
m_bindings.clear();
}
m_bindingModel->setObject(object, m_bindings);
m_object = object;
return true;
}
void BindingExtension::propertyChanged()
{
Q_ASSERT(sender() == m_object);
for (size_t i = 0; i < m_bindings.size(); ++i) {
const auto &bindingNode = m_bindings[i].get();
if (bindingNode->property().notifySignalIndex() == senderSignalIndex()) {
m_bindingModel->refresh(i, BindingAggregator::findDependenciesFor(bindingNode));
// There can be more than one property with the same notify signal,
// so no break here...
}
}
}
BindingModel *BindingExtension::model() const
{
return m_bindingModel;
}
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