| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtQuick module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
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| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qtquick2_p.h" |
| #include <private/qqmlengine_p.h> |
| #include <private/qquickutilmodule_p.h> |
| #include <private/qquickvaluetypes_p.h> |
| #include <private/qquickitemsmodule_p.h> |
| #include <private/qquickaccessiblefactory_p.h> |
| |
| #include <private/qqmldebugconnector_p.h> |
| #include <private/qqmldebugserviceinterfaces_p.h> |
| #include <private/qqmldebugstatesdelegate_p.h> |
| #include <private/qqmlbinding_p.h> |
| #include <private/qqmlcontext_p.h> |
| #include <private/qquickapplication_p.h> |
| #include <QtQuick/private/qquickpropertychanges_p.h> |
| #include <QtQuick/private/qquickstate_p.h> |
| #include <qqmlproperty.h> |
| #include <QtCore/QPointer> |
| |
| QT_BEGIN_NAMESPACE |
| |
| #if !QT_CONFIG(qml_debug) |
| |
| class QQmlQtQuick2DebugStatesDelegate : public QQmlDebugStatesDelegate {}; |
| |
| #else |
| |
| class QQmlQtQuick2DebugStatesDelegate : public QQmlDebugStatesDelegate |
| { |
| public: |
| QQmlQtQuick2DebugStatesDelegate(); |
| ~QQmlQtQuick2DebugStatesDelegate(); |
| void buildStatesList(bool cleanList, const QList<QPointer<QObject> > &instances) override; |
| void updateBinding(QQmlContext *context, |
| const QQmlProperty &property, |
| const QVariant &expression, bool isLiteralValue, |
| const QString &fileName, int line, int column, |
| bool *isBaseState) override; |
| bool setBindingForInvalidProperty(QObject *object, |
| const QString &propertyName, |
| const QVariant &expression, |
| bool isLiteralValue) override; |
| void resetBindingForInvalidProperty(QObject *object, |
| const QString &propertyName) override; |
| |
| private: |
| void buildStatesList(QObject *obj); |
| |
| QList<QPointer<QQuickState> > m_allStates; |
| }; |
| |
| QQmlQtQuick2DebugStatesDelegate::QQmlQtQuick2DebugStatesDelegate() |
| { |
| } |
| |
| QQmlQtQuick2DebugStatesDelegate::~QQmlQtQuick2DebugStatesDelegate() |
| { |
| } |
| |
| void QQmlQtQuick2DebugStatesDelegate::buildStatesList(bool cleanList, |
| const QList<QPointer<QObject> > &instances) |
| { |
| if (cleanList) |
| m_allStates.clear(); |
| |
| //only root context has all instances |
| for (int ii = 0; ii < instances.count(); ++ii) { |
| buildStatesList(instances.at(ii)); |
| } |
| } |
| |
| void QQmlQtQuick2DebugStatesDelegate::buildStatesList(QObject *obj) |
| { |
| if (QQuickState *state = qobject_cast<QQuickState *>(obj)) { |
| m_allStates.append(state); |
| } |
| |
| QObjectList children = obj->children(); |
| for (int ii = 0; ii < children.count(); ++ii) { |
| buildStatesList(children.at(ii)); |
| } |
| } |
| |
| void QQmlQtQuick2DebugStatesDelegate::updateBinding(QQmlContext *context, |
| const QQmlProperty &property, |
| const QVariant &expression, bool isLiteralValue, |
| const QString &fileName, int line, int column, |
| bool *inBaseState) |
| { |
| Q_UNUSED(column); |
| typedef QPointer<QQuickState> QuickStatePointer; |
| QObject *object = property.object(); |
| QString propertyName = property.name(); |
| for (const QuickStatePointer& statePointer : qAsConst(m_allStates)) { |
| if (QQuickState *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; |
| |
| QQmlBinding *newBinding = nullptr; |
| if (!isLiteralValue) { |
| newBinding = QQmlBinding::create(&QQmlPropertyPrivate::get(property)->core, |
| expression.toString(), object, |
| QQmlContextData::get(context), fileName, |
| line); |
| newBinding->setTarget(property); |
| } |
| |
| state->changeBindingInRevertList(object, propertyName, newBinding); |
| |
| if (isLiteralValue) |
| state->changeValueInRevertList(object, propertyName, expression); |
| } |
| } |
| } |
| } |
| |
| bool QQmlQtQuick2DebugStatesDelegate::setBindingForInvalidProperty(QObject *object, |
| const QString &propertyName, |
| const QVariant &expression, |
| bool isLiteralValue) |
| { |
| if (QQuickPropertyChanges *propertyChanges = qobject_cast<QQuickPropertyChanges *>(object)) { |
| if (isLiteralValue) |
| propertyChanges->changeValue(propertyName, expression); |
| else |
| propertyChanges->changeExpression(propertyName, expression.toString()); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| void QQmlQtQuick2DebugStatesDelegate::resetBindingForInvalidProperty(QObject *object, const QString &propertyName) |
| { |
| if (QQuickPropertyChanges *propertyChanges = qobject_cast<QQuickPropertyChanges *>(object)) { |
| propertyChanges->removeProperty(propertyName); |
| } |
| } |
| |
| #endif // QT_CONFIG(qml_debug) |
| |
| void QQmlQtQuick2Module::defineModule() |
| { |
| QQuick_initializeProviders(); |
| |
| QQuickUtilModule::defineModule(); |
| QQuickItemsModule::defineModule(); |
| |
| qmlRegisterUncreatableType<QQuickApplication>("QtQuick",2,0,"Application", QQuickApplication::tr("Application is an abstract class")); |
| |
| QQuickValueTypes::registerValueTypes(); |
| |
| #if QT_CONFIG(accessibility) |
| QAccessible::installFactory(&qQuickAccessibleFactory); |
| #endif |
| |
| QQmlEngineDebugService *debugService = QQmlDebugConnector::service<QQmlEngineDebugService>(); |
| if (debugService) |
| debugService->setStatesDelegate(new QQmlQtQuick2DebugStatesDelegate); |
| } |
| |
| void QQmlQtQuick2Module::undefineModule() |
| { |
| QQuick_deinitializeProviders(); |
| } |
| |
| QT_END_NAMESPACE |
| |