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Diffstat (limited to 'src/declarative/debugger/qdeclarativedebugservice.cpp')
| -rw-r--r-- | src/declarative/debugger/qdeclarativedebugservice.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/src/declarative/debugger/qdeclarativedebugservice.cpp b/src/declarative/debugger/qdeclarativedebugservice.cpp new file mode 100644 index 00000000..111bd24c --- /dev/null +++ b/src/declarative/debugger/qdeclarativedebugservice.cpp @@ -0,0 +1,230 @@ +/**************************************************************************** +** +** Copyright (C) 2012 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |