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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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/qquickprofiler_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>
static void initResources()
{
Q_INIT_RESOURCE(scenegraph);
}
QT_BEGIN_NAMESPACE
class QQmlQtQuick2DebugStatesDelegate : public QQmlDebugStatesDelegate
{
public:
QQmlQtQuick2DebugStatesDelegate();
virtual ~QQmlQtQuick2DebugStatesDelegate();
virtual void buildStatesList(bool cleanList, const QList<QPointer<QObject> > &instances);
virtual void updateBinding(QQmlContext *context,
const QQmlProperty &property,
const QVariant &expression, bool isLiteralValue,
const QString &fileName, int line, int column,
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<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)
{
typedef QPointer<QQuickState> QuickStatePointer;
QObject *object = property.object();
QString propertyName = property.name();
foreach (const QuickStatePointer& statePointer, 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 = 0;
if (!isLiteralValue) {
newBinding = new QQmlBinding(expression.toString(), object,
QQmlContextData::get(context), fileName,
line, column);
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);
}
}
void QQmlQtQuick2Module::defineModule()
{
initResources();
QQuick_initializeProviders();
QQuickUtilModule::defineModule();
QQmlEnginePrivate::defineQtQuick2Module();
QQuickItemsModule::defineModule();
qmlRegisterUncreatableType<QQuickApplication>("QtQuick",2,0,"Application", QQuickApplication::tr("Application is an abstract class"));
QQuickValueTypes::registerValueTypes();
#ifndef QT_NO_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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