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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "private/qdeclarativedebugservice_p.h"
#include "private/qdeclarativedebugservice_p_p.h"
#include "private/qdeclarativedebugserver_p.h"
#include <QtCore/QDebug>
#include <QtCore/QStringList>
QT_BEGIN_NAMESPACE
QDeclarativeDebugServicePrivate::QDeclarativeDebugServicePrivate()
: server(0)
{
}
QDeclarativeDebugService::QDeclarativeDebugService(const QString &name, QObject *parent)
: QObject(*(new QDeclarativeDebugServicePrivate), parent)
{
Q_D(QDeclarativeDebugService);
d->name = name;
d->server = QDeclarativeDebugServer::instance();
d->status = QDeclarativeDebugService::NotConnected;
if (!d->server)
return;
if (d->server->serviceNames().contains(name)) {
qWarning() << "QDeclarativeDebugService: Conflicting plugin name" << name;
d->server = 0;
} else {
d->server->addService(this);
}
}
QDeclarativeDebugService::~QDeclarativeDebugService()
{
Q_D(const QDeclarativeDebugService);
if (d->server) {
d->server->removeService(this);
}
}
QString QDeclarativeDebugService::name() const
{
Q_D(const QDeclarativeDebugService);
return d->name;
}
QDeclarativeDebugService::Status QDeclarativeDebugService::status() const
{
Q_D(const QDeclarativeDebugService);
return d->status;
}
namespace {
struct ObjectReference
{
QPointer<QObject> object;
int id;
};
struct ObjectReferenceHash
{
ObjectReferenceHash() : nextId(0) {}
QHash<QObject *, ObjectReference> objects;
QHash<int, QObject *> ids;
int nextId;
};
}
Q_GLOBAL_STATIC(ObjectReferenceHash, objectReferenceHash);
/*!
Returns a unique id for \a object. Calling this method multiple times
for the same object will return the same id.
*/
int QDeclarativeDebugService::idForObject(QObject *object)
{
if (!object)
return -1;
ObjectReferenceHash *hash = objectReferenceHash();
QHash<QObject *, ObjectReference>::Iterator iter =
hash->objects.find(object);
if (iter == hash->objects.end()) {
int id = hash->nextId++;
hash->ids.insert(id, object);
iter = hash->objects.insert(object, ObjectReference());
iter->object = object;
iter->id = id;
} else if (iter->object != object) {
int id = hash->nextId++;
hash->ids.remove(iter->id);
hash->ids.insert(id, object);
iter->object = object;
iter->id = id;
}
return iter->id;
}
/*!
Returns the object for unique \a id. If the object has not previously been
assigned an id, through idForObject(), then 0 is returned. If the object
has been destroyed, 0 is returned.
*/
QObject *QDeclarativeDebugService::objectForId(int id)
{
ObjectReferenceHash *hash = objectReferenceHash();
QHash<int, QObject *>::Iterator iter = hash->ids.find(id);
if (iter == hash->ids.end())
return 0;
QHash<QObject *, ObjectReference>::Iterator objIter =
hash->objects.find(*iter);
Q_ASSERT(objIter != hash->objects.end());
if (objIter->object == 0) {
hash->ids.erase(iter);
hash->objects.erase(objIter);
return 0;
} else {
return *iter;
}
}
bool QDeclarativeDebugService::isDebuggingEnabled()
{
return QDeclarativeDebugServer::instance() != 0;
}
bool QDeclarativeDebugService::hasDebuggingClient()
{
return QDeclarativeDebugServer::instance() != 0
&& QDeclarativeDebugServer::instance()->hasDebuggingClient();
}
QString QDeclarativeDebugService::objectToString(QObject *obj)
{
if(!obj)
return QLatin1String("NULL");
QString objectName = obj->objectName();
if(objectName.isEmpty())
objectName = QLatin1String("<unnamed>");
QString rv = QString::fromUtf8(obj->metaObject()->className()) +
QLatin1String(": ") + objectName;
return rv;
}
void QDeclarativeDebugService::sendMessage(const QByteArray &message)
{
Q_D(QDeclarativeDebugService);
if (status() != Enabled)
return;
d->server->sendMessage(this, message);
}
bool QDeclarativeDebugService::waitForMessage()
{
Q_D(QDeclarativeDebugService);
if (status() != Enabled)
return false;
return d->server->waitForMessage(this);
}
void QDeclarativeDebugService::statusChanged(Status)
{
}
void QDeclarativeDebugService::messageReceived(const QByteArray &)
{
}
QT_END_NAMESPACE
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