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Diffstat (limited to 'src/quick/qtquick2.cpp')
| -rw-r--r-- | src/quick/qtquick2.cpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/quick/qtquick2.cpp b/src/quick/qtquick2.cpp new file mode 100644 index 0000000000..f5839af583 --- /dev/null +++ b/src/quick/qtquick2.cpp @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** 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 <QtQuick/private/qdeclarativepropertychanges_p.h> +#include <QtQuick/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 + |