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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qqmldebugservice_p.h"
#include "qqmldebugconnector_p.h"
#include <private/qqmldata_p.h>
#include <private/qqmlcontext_p.h>
#include <QtCore/QDebug>
#include <QtCore/QStringList>
#include <QtCore/QFileInfo>
QT_BEGIN_NAMESPACE
class QQmlDebugServer;
class QQmlDebugServicePrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QQmlDebugService)
public:
QQmlDebugServicePrivate(const QString &name, float version);
const QString name;
const float version;
QQmlDebugService::State state;
};
QQmlDebugServicePrivate::QQmlDebugServicePrivate(const QString &name, float version) :
name(name), version(version), state(QQmlDebugService::NotConnected)
{
}
QQmlDebugService::QQmlDebugService(const QString &name, float version, QObject *parent)
: QObject(*(new QQmlDebugServicePrivate(name, version)), parent)
{
Q_D(QQmlDebugService);
QQmlDebugConnector *server = QQmlDebugConnector::instance();
if (!server)
return;
if (server->service(d->name)) {
qWarning() << "QQmlDebugService: Conflicting plugin name" << d->name;
} else {
server->addService(d->name, this);
}
}
QQmlDebugService::~QQmlDebugService()
{
Q_D(QQmlDebugService);
QQmlDebugConnector *server = QQmlDebugConnector::instance();
if (!server)
return;
if (server->service(d->name) != this)
qWarning() << "QQmlDebugService: Plugin" << d->name << "is not registered.";
else
server->removeService(d->name);
}
const QString &QQmlDebugService::name() const
{
Q_D(const QQmlDebugService);
return d->name;
}
float QQmlDebugService::version() const
{
Q_D(const QQmlDebugService);
return d->version;
}
QQmlDebugService::State QQmlDebugService::state() const
{
Q_D(const QQmlDebugService);
return d->state;
}
void QQmlDebugService::setState(QQmlDebugService::State newState)
{
Q_D(QQmlDebugService);
d->state = newState;
}
namespace {
class ObjectReferenceHash : public QObject
{
Q_OBJECT
public:
ObjectReferenceHash() : nextId(0) {}
QHash<QObject *, int> objects;
QHash<int, QObject *> ids;
int nextId;
void remove(QObject *obj);
};
}
Q_GLOBAL_STATIC(ObjectReferenceHash, objectReferenceHash)
void ObjectReferenceHash::remove(QObject *obj)
{
const auto iter = objects.constFind(obj);
if (iter != objects.cend()) {
ids.remove(iter.value());
objects.erase(iter);
}
}
/*!
Returns a unique id for \a object. Calling this method multiple times
for the same object will return the same id.
*/
int QQmlDebugService::idForObject(QObject *object)
{
if (!object)
return -1;
ObjectReferenceHash *hash = objectReferenceHash();
auto iter = hash->objects.constFind(object);
if (iter == hash->objects.cend()) {
int id = hash->nextId++;
hash->ids.insert(id, object);
iter = hash->objects.insert(object, id);
connect(object, &QObject::destroyed, hash, &ObjectReferenceHash::remove);
}
return iter.value();
}
/*!
Returns the mapping of objects to unique \a ids, created through calls to idForObject().
*/
const QHash<int, QObject *> &QQmlDebugService::objectsForIds()
{
return objectReferenceHash()->ids;
}
QT_END_NAMESPACE
#include "qqmldebugservice.moc"
#include "moc_qqmldebugservice_p.cpp"
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