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/*
methodsextension.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2014 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Anton Kreuzkamp <anton.kreuzkamp@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "methodsextension.h"
#include "objectmethodmodel.h"
#include "propertycontroller.h"
#include "varianthandler.h"
#include "methodargumentmodel.h"
#include "multisignalmapper.h"
#include "common/objectbroker.h"
#include <common/tools/objectinspector/methodmodel.h>
#include <QMetaMethod>
#include <QStandardItemModel>
#include <QItemSelectionModel>
#include <QTime>
using namespace GammaRay;
MethodsExtension::MethodsExtension(PropertyController *controller)
: MethodsExtensionInterface(controller->objectBaseName() + ".methodsExtension", controller)
, PropertyControllerExtension(controller->objectBaseName() + ".methods")
, m_model(new ObjectMethodModel(controller))
, m_methodLogModel(new QStandardItemModel(this))
, m_methodArgumentModel(new MethodArgumentModel(this))
, m_signalMapper(nullptr)
{
controller->registerModel(m_model, QStringLiteral("methods"));
controller->registerModel(m_methodLogModel, QStringLiteral("methodLog"));
controller->registerModel(m_methodArgumentModel, QStringLiteral("methodArguments"));
ObjectBroker::selectionModel(m_model); // trigger creation
}
MethodsExtension::~MethodsExtension() = default;
bool MethodsExtension::setQObject(QObject *object)
{
if (m_object == object)
return true;
m_object = object;
m_model->setMetaObject(object ? object->metaObject() : nullptr);
delete m_signalMapper;
m_signalMapper = new MultiSignalMapper(this);
connect(m_signalMapper, &MultiSignalMapper::signalEmitted,
this, &MethodsExtension::signalEmitted);
if (m_methodLogModel->rowCount() > 0)
m_methodLogModel->clear();
setHasObject(true);
return true;
}
bool MethodsExtension::setMetaObject(const QMetaObject *metaObject)
{
m_object = nullptr;
m_model->setMetaObject(metaObject);
setHasObject(false);
return true;
}
void MethodsExtension::signalEmitted(QObject *sender, int signalIndex,
const QVector<QVariant> &args)
{
Q_ASSERT(m_object == sender);
QStringList prettyArgs;
prettyArgs.reserve(args.size());
for (const QVariant &v : args)
prettyArgs.push_back(VariantHandler::displayString(v));
m_methodLogModel->appendRow(
new QStandardItem(tr("%1: Signal %2 emitted, arguments: %3").arg(QTime::currentTime().toString(QStringLiteral("HH:mm:ss.zzz")), QString(sender->metaObject()->method(signalIndex).methodSignature()), prettyArgs.join(QStringLiteral(", ")))));
}
void MethodsExtension::activateMethod()
{
QItemSelectionModel *selectionModel = ObjectBroker::selectionModel(m_model);
if (selectionModel->selectedRows().size() != 1)
return;
const QModelIndex index = selectionModel->selectedRows().at(0);
const QMetaMethod method = index.data(ObjectMethodModelRole::MetaMethod).value<QMetaMethod>();
m_methodArgumentModel->setMethod(method);
}
void MethodsExtension::connectToSignal()
{
QItemSelectionModel *selectionModel = ObjectBroker::selectionModel(m_model);
if (selectionModel->selectedRows().size() != 1)
return;
const QModelIndex index = selectionModel->selectedRows().at(0);
const QMetaMethod method = index.data(ObjectMethodModelRole::MetaMethod).value<QMetaMethod>();
if (method.methodType() == QMetaMethod::Signal)
m_signalMapper->connectToSignal(m_object, method);
}
void MethodsExtension::invokeMethod(Qt::ConnectionType connectionType)
{
if (!m_object) {
m_methodLogModel->appendRow(
new QStandardItem(
tr("%1: Invocation failed: Invalid object, probably got deleted in the meantime.").arg(QTime::currentTime().toString(QStringLiteral("HH:mm:ss.zzz")))));
return;
}
QMetaMethod method;
QItemSelectionModel *selectionModel = ObjectBroker::selectionModel(m_model);
if (selectionModel->selectedRows().size() == 1) {
const QModelIndex index = selectionModel->selectedRows().at(0);
method = index.data(ObjectMethodModelRole::MetaMethod).value<QMetaMethod>();
}
if (method.methodType() == QMetaMethod::Constructor) {
m_methodLogModel->appendRow(
new QStandardItem(
tr("%1: Invocation failed: Can't invoke constructors.").arg(QTime::currentTime().toString(QStringLiteral("HH:mm:ss.zzz")))));
return;
}
const QVector<MethodArgument> methodArgs = m_methodArgumentModel->arguments();
QVector<QGenericArgument> args(methodArgs.begin(), methodArgs.end());
// TODO retrieve return value and add it to the log in case of success
// TODO measure execution time and that to the log
const bool result = method.invoke(
m_object.data(), connectionType,
args[0], args[1], args[2], args[3], args[4], args[5], args[6],
args[7], args[8], args[9]);
if (!result) {
m_methodLogModel->appendRow(
new QStandardItem(
tr("%1: Invocation failed..").arg(QTime::currentTime().toString(QStringLiteral("HH:mm:ss.zzz")))));
return;
}
m_methodArgumentModel->setMethod(QMetaMethod());
}
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