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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "qtquick2_p.h"
#include <private/qqmlengine_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>
#if QT_CONFIG(shortcut)
Q_DECLARE_METATYPE(QKeySequence::StandardKey)
#endif
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();
#if QT_CONFIG(shortcut)
qRegisterMetaType<QKeySequence::StandardKey>();
#endif
QQuickValueTypes::registerValueTypes();
QQuickItemsModule::defineModule();
#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
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