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-rw-r--r--src/declarative/qtquick2.cpp193
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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.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 "qtquick2_p.h"
-#include <private/qdeclarativeengine_p.h>
-#include <private/qdeclarativeutilmodule_p.h>
-#include <private/qdeclarativevaluetype_p.h>
-#include <private/qquickitemsmodule_p.h>
-#include <private/qquickparticlesmodule_p.h>
-#include <private/qquickwindowmodule_p.h>
-
-#include <private/qdeclarativeenginedebugservice_p.h>
-#include <private/qdeclarativedebugstatesdelegate_p.h>
-#include <private/qdeclarativebinding_p.h>
-#include <private/qdeclarativecontext_p.h>
-#include <private/qdeclarativepropertychanges_p.h>
-#include <private/qdeclarativestate_p.h>
-#include <qdeclarativeproperty.h>
-#include <QtCore/QWeakPointer>
-
-QT_BEGIN_NAMESPACE
-
-class QDeclarativeQtQuick2DebugStatesDelegate : public QDeclarativeDebugStatesDelegate
-{
-public:
- QDeclarativeQtQuick2DebugStatesDelegate();
- virtual ~QDeclarativeQtQuick2DebugStatesDelegate();
- virtual void buildStatesList(QDeclarativeContext *ctxt, bool cleanList);
- virtual void updateBinding(QDeclarativeContext *context,
- const QDeclarativeProperty &property,
- const QVariant &expression, bool isLiteralValue,
- const QString &fileName, int line,
- bool *isBaseState);
- virtual bool setBindingForInvalidProperty(QObject *object,
- const QString &propertyName,
- const QVariant &expression,
- bool isLiteralValue);
- virtual void resetBindingForInvalidProperty(QObject *object,
- const QString &propertyName);
-
-private:
- void buildStatesList(QObject *obj);
-
- QList<QWeakPointer<QDeclarativeState> > m_allStates;
-};
-
-QDeclarativeQtQuick2DebugStatesDelegate::QDeclarativeQtQuick2DebugStatesDelegate()
-{
-}
-
-QDeclarativeQtQuick2DebugStatesDelegate::~QDeclarativeQtQuick2DebugStatesDelegate()
-{
-}
-
-void QDeclarativeQtQuick2DebugStatesDelegate::buildStatesList(QDeclarativeContext *ctxt, bool cleanList)
-{
- if (cleanList)
- m_allStates.clear();
-
- QDeclarativeContextPrivate *ctxtPriv = QDeclarativeContextPrivate::get(ctxt);
- for (int ii = 0; ii < ctxtPriv->instances.count(); ++ii) {
- buildStatesList(ctxtPriv->instances.at(ii));
- }
-
- QDeclarativeContextData *child = QDeclarativeContextData::get(ctxt)->childContexts;
- while (child) {
- buildStatesList(child->asQDeclarativeContext());
- child = child->nextChild;
- }
-}
-
-void QDeclarativeQtQuick2DebugStatesDelegate::buildStatesList(QObject *obj)
-{
- if (QDeclarativeState *state = qobject_cast<QDeclarativeState *>(obj)) {
- m_allStates.append(state);
- }
-
- QObjectList children = obj->children();
- for (int ii = 0; ii < children.count(); ++ii) {
- buildStatesList(children.at(ii));
- }
-}
-
-void QDeclarativeQtQuick2DebugStatesDelegate::updateBinding(QDeclarativeContext *context,
- const QDeclarativeProperty &property,
- const QVariant &expression, bool isLiteralValue,
- const QString &fileName, int line,
- bool *inBaseState)
-{
- QObject *object = property.object();
- QString propertyName = property.name();
- foreach (QWeakPointer<QDeclarativeState> statePointer, m_allStates) {
- if (QDeclarativeState *state = statePointer.data()) {
- // here we assume that the revert list on itself defines the base state
- if (state->isStateActive() && state->containsPropertyInRevertList(object, propertyName)) {
- *inBaseState = false;
-
- QDeclarativeBinding *newBinding = 0;
- if (!isLiteralValue) {
- newBinding = new QDeclarativeBinding(expression.toString(), object, context);
- newBinding->setTarget(property);
- newBinding->setNotifyOnValueChanged(true);
- newBinding->setSourceLocation(fileName, line);
- }
-
- state->changeBindingInRevertList(object, propertyName, newBinding);
-
- if (isLiteralValue)
- state->changeValueInRevertList(object, propertyName, expression);
- }
- }
- }
-}
-
-bool QDeclarativeQtQuick2DebugStatesDelegate::setBindingForInvalidProperty(QObject *object,
- const QString &propertyName,
- const QVariant &expression,
- bool isLiteralValue)
-{
- if (QDeclarativePropertyChanges *propertyChanges = qobject_cast<QDeclarativePropertyChanges *>(object)) {
- if (isLiteralValue)
- propertyChanges->changeValue(propertyName, expression);
- else
- propertyChanges->changeExpression(propertyName, expression.toString());
- return true;
- } else {
- return false;
- }
-}
-
-void QDeclarativeQtQuick2DebugStatesDelegate::resetBindingForInvalidProperty(QObject *object, const QString &propertyName)
-{
- if (QDeclarativePropertyChanges *propertyChanges = qobject_cast<QDeclarativePropertyChanges *>(object)) {
- propertyChanges->removeProperty(propertyName);
- }
-}
-
-
-void QDeclarativeQtQuick2Module::defineModule()
-{
- QDeclarativeUtilModule::defineModule();
- QDeclarativeEnginePrivate::defineModule();
- QQuickItemsModule::defineModule();
- QQuickParticlesModule::defineModule();
- QQuickWindowModule::defineModule();
- QDeclarativeValueTypeFactory::registerValueTypes();
-
- if (QDeclarativeEngineDebugService::isDebuggingEnabled()) {
- QDeclarativeEngineDebugService::instance()->setStatesDelegate(
- new QDeclarativeQtQuick2DebugStatesDelegate);
- }
-}
-
-QT_END_NAMESPACE
-