| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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/qdeclarativewatcher_p.h" |
| |
| #include "qdeclarativeexpression.h" |
| #include "qdeclarativecontext.h" |
| #include "qdeclarative.h" |
| |
| #include <qdeclarativedebugservice_p.h> |
| #include "private/qdeclarativeproperty_p.h" |
| |
| #include <QtCore/qmetaobject.h> |
| #include <QtCore/qdebug.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QDeclarativeWatchProxy : public QObject |
| { |
| Q_OBJECT |
| public: |
| QDeclarativeWatchProxy(int id, |
| QObject *object, |
| int debugId, |
| const QMetaProperty &prop, |
| QDeclarativeWatcher *parent = 0); |
| |
| QDeclarativeWatchProxy(int id, |
| QDeclarativeExpression *exp, |
| int debugId, |
| QDeclarativeWatcher *parent = 0); |
| |
| public slots: |
| void notifyValueChanged(); |
| |
| private: |
| friend class QDeclarativeWatcher; |
| int m_id; |
| QDeclarativeWatcher *m_watch; |
| QObject *m_object; |
| int m_debugId; |
| QMetaProperty m_property; |
| |
| QDeclarativeExpression *m_expr; |
| }; |
| |
| QDeclarativeWatchProxy::QDeclarativeWatchProxy(int id, |
| QDeclarativeExpression *exp, |
| int debugId, |
| QDeclarativeWatcher *parent) |
| : QObject(parent), m_id(id), m_watch(parent), m_object(0), m_debugId(debugId), m_expr(exp) |
| { |
| QObject::connect(m_expr, SIGNAL(valueChanged()), this, SLOT(notifyValueChanged())); |
| } |
| |
| QDeclarativeWatchProxy::QDeclarativeWatchProxy(int id, |
| QObject *object, |
| int debugId, |
| const QMetaProperty &prop, |
| QDeclarativeWatcher *parent) |
| : QObject(parent), m_id(id), m_watch(parent), m_object(object), m_debugId(debugId), m_property(prop), m_expr(0) |
| { |
| static int refreshIdx = -1; |
| if(refreshIdx == -1) |
| refreshIdx = QDeclarativeWatchProxy::staticMetaObject.indexOfMethod("notifyValueChanged()"); |
| |
| if (prop.hasNotifySignal()) |
| QDeclarativePropertyPrivate::connect(m_object, prop.notifySignalIndex(), this, refreshIdx); |
| } |
| |
| void QDeclarativeWatchProxy::notifyValueChanged() |
| { |
| QVariant v; |
| if (m_expr) |
| v = m_expr->evaluate(); |
| else |
| v = m_property.read(m_object); |
| |
| emit m_watch->propertyChanged(m_id, m_debugId, m_property, v); |
| } |
| |
| |
| QDeclarativeWatcher::QDeclarativeWatcher(QObject *parent) |
| : QObject(parent) |
| { |
| } |
| |
| bool QDeclarativeWatcher::addWatch(int id, quint32 debugId) |
| { |
| QObject *object = QDeclarativeDebugService::objectForId(debugId); |
| if (object) { |
| int propCount = object->metaObject()->propertyCount(); |
| for (int ii=0; ii<propCount; ii++) |
| addPropertyWatch(id, object, debugId, object->metaObject()->property(ii)); |
| return true; |
| } |
| return false; |
| } |
| |
| bool QDeclarativeWatcher::addWatch(int id, quint32 debugId, const QByteArray &property) |
| { |
| QObject *object = QDeclarativeDebugService::objectForId(debugId); |
| if (object) { |
| int index = object->metaObject()->indexOfProperty(property.constData()); |
| if (index >= 0) { |
| addPropertyWatch(id, object, debugId, object->metaObject()->property(index)); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| bool QDeclarativeWatcher::addWatch(int id, quint32 objectId, const QString &expr) |
| { |
| QObject *object = QDeclarativeDebugService::objectForId(objectId); |
| QDeclarativeContext *context = qmlContext(object); |
| if (context) { |
| QDeclarativeExpression *exprObj = new QDeclarativeExpression(context, object, expr); |
| exprObj->setNotifyOnValueChanged(true); |
| QDeclarativeWatchProxy *proxy = new QDeclarativeWatchProxy(id, exprObj, objectId, this); |
| exprObj->setParent(proxy); |
| m_proxies[id].append(proxy); |
| proxy->notifyValueChanged(); |
| return true; |
| } |
| return false; |
| } |
| |
| void QDeclarativeWatcher::removeWatch(int id) |
| { |
| if (!m_proxies.contains(id)) |
| return; |
| |
| QList<QPointer<QDeclarativeWatchProxy> > proxies = m_proxies.take(id); |
| qDeleteAll(proxies); |
| } |
| |
| void QDeclarativeWatcher::addPropertyWatch(int id, QObject *object, quint32 debugId, const QMetaProperty &property) |
| { |
| QDeclarativeWatchProxy *proxy = new QDeclarativeWatchProxy(id, object, debugId, property, this); |
| m_proxies[id].append(proxy); |
| |
| proxy->notifyValueChanged(); |
| } |
| |
| QT_END_NAMESPACE |
| |
| #include <qdeclarativewatcher.moc> |