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Diffstat (limited to 'src/declarative/qml/qdeclarativeboundsignal.cpp')
| -rw-r--r-- | src/declarative/qml/qdeclarativeboundsignal.cpp | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/declarative/qml/qdeclarativeboundsignal.cpp b/src/declarative/qml/qdeclarativeboundsignal.cpp deleted file mode 100644 index bf96f03016..0000000000 --- a/src/declarative/qml/qdeclarativeboundsignal.cpp +++ /dev/null @@ -1,305 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** 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 "qdeclarativeboundsignal_p.h" - -#include <private/qmetaobjectbuilder_p.h> -#include "qdeclarativeengine_p.h" -#include "qdeclarativeexpression_p.h" -#include "qdeclarativecontext_p.h" -#include "qdeclarativemetatype_p.h" -#include "qdeclarative.h" -#include "qdeclarativecontext.h" -#include "qdeclarativeglobal_p.h" -#include <private/qdeclarativeprofilerservice_p.h> -#include <private/qv8debugservice_p.h> - -#include <QtCore/qstringbuilder.h> -#include <QtCore/qdebug.h> - -QT_BEGIN_NAMESPACE - -class QDeclarativeBoundSignalParameters : public QObject -{ -Q_OBJECT -public: - QDeclarativeBoundSignalParameters(const QMetaMethod &, QObject * = 0); - ~QDeclarativeBoundSignalParameters(); - - void setValues(void **); - void clearValues(); - -private: - friend class MetaObject; - int metaCall(QMetaObject::Call, int _id, void **); - struct MetaObject : public QAbstractDynamicMetaObject { - MetaObject(QDeclarativeBoundSignalParameters *b) - : parent(b) {} - - int metaCall(QMetaObject::Call c, int id, void **a) { - return parent->metaCall(c, id, a); - } - QDeclarativeBoundSignalParameters *parent; - }; - - int *types; - void **values; - QMetaObject *myMetaObject; -}; - -static int evaluateIdx = -1; - -QDeclarativeAbstractBoundSignal::QDeclarativeAbstractBoundSignal(QObject *parent) -: QObject(parent) -{ -} - -QDeclarativeAbstractBoundSignal::~QDeclarativeAbstractBoundSignal() -{ -} - -QDeclarativeBoundSignal::QDeclarativeBoundSignal(QObject *scope, const QMetaMethod &signal, - QObject *parent) -: m_expression(0), m_signal(signal), m_paramsValid(false), m_isEvaluating(false), m_params(0) -{ - // This is thread safe. Although it may be updated by two threads, they - // will both set it to the same value - so the worst thing that can happen - // is that they both do the work to figure it out. Boo hoo. - if (evaluateIdx == -1) evaluateIdx = metaObject()->methodCount(); - - QDeclarative_setParent_noEvent(this, parent); - QDeclarativePropertyPrivate::connect(scope, m_signal.methodIndex(), this, evaluateIdx); -} - -QDeclarativeBoundSignal::QDeclarativeBoundSignal(QDeclarativeContext *ctxt, const QString &val, - QObject *scope, const QMetaMethod &signal, - QObject *parent) -: m_expression(0), m_signal(signal), m_paramsValid(false), m_isEvaluating(false), m_params(0) -{ - // This is thread safe. Although it may be updated by two threads, they - // will both set it to the same value - so the worst thing that can happen - // is that they both do the work to figure it out. Boo hoo. - if (evaluateIdx == -1) evaluateIdx = metaObject()->methodCount(); - - QDeclarative_setParent_noEvent(this, parent); - QDeclarativePropertyPrivate::connect(scope, m_signal.methodIndex(), this, evaluateIdx); - - m_expression = new QDeclarativeExpression(ctxt, scope, val); -} - -QDeclarativeBoundSignal::~QDeclarativeBoundSignal() -{ - delete m_expression; - m_expression = 0; -} - -int QDeclarativeBoundSignal::index() const -{ - return m_signal.methodIndex(); -} - -/*! - Returns the signal expression. -*/ -QDeclarativeExpression *QDeclarativeBoundSignal::expression() const -{ - return m_expression; -} - -/*! - Sets the signal expression to \a e. Returns the current signal expression, - or null if there is no signal expression. - - The QDeclarativeBoundSignal instance takes ownership of \a e. The caller is - assumes ownership of the returned QDeclarativeExpression. -*/ -QDeclarativeExpression *QDeclarativeBoundSignal::setExpression(QDeclarativeExpression *e) -{ - QDeclarativeExpression *rv = m_expression; - m_expression = e; - if (m_expression) m_expression->setNotifyOnValueChanged(false); - return rv; -} - -QDeclarativeBoundSignal *QDeclarativeBoundSignal::cast(QObject *o) -{ - QDeclarativeAbstractBoundSignal *s = qobject_cast<QDeclarativeAbstractBoundSignal*>(o); - return static_cast<QDeclarativeBoundSignal *>(s); -} - -int QDeclarativeBoundSignal::qt_metacall(QMetaObject::Call c, int id, void **a) -{ - if (c == QMetaObject::InvokeMetaMethod && id == evaluateIdx) { - if (!m_expression) - return -1; - - if (QDeclarativeDebugService::isDebuggingEnabled()) - QV8DebugService::instance()->signalEmitted(QString::fromAscii(m_signal.signature())); - - QDeclarativeHandlingSignalProfiler prof; - if (prof.enabled) { - prof.setSignalInfo(QString::fromLatin1(m_signal.signature()), - m_expression->expression()); - prof.setLocation(m_expression->sourceFile(), m_expression->lineNumber(), - m_expression->columnNumber()); - } - - m_isEvaluating = true; - if (!m_paramsValid) { - if (!m_signal.parameterTypes().isEmpty()) - m_params = new QDeclarativeBoundSignalParameters(m_signal, this); - m_paramsValid = true; - } - - if (m_params) m_params->setValues(a); - if (m_expression && m_expression->engine()) { - QDeclarativeExpressionPrivate::get(m_expression)->value(m_params); - if (m_expression && m_expression->hasError()) - QDeclarativeEnginePrivate::warning(m_expression->engine(), m_expression->error()); - } - if (m_params) m_params->clearValues(); - m_isEvaluating = false; - return -1; - } else { - return QObject::qt_metacall(c, id, a); - } -} - -QDeclarativeBoundSignalParameters::QDeclarativeBoundSignalParameters(const QMetaMethod &method, - QObject *parent) -: QObject(parent), types(0), values(0) -{ - MetaObject *mo = new MetaObject(this); - - // ### Optimize! - QMetaObjectBuilder mob; - mob.setSuperClass(&QDeclarativeBoundSignalParameters::staticMetaObject); - mob.setClassName("QDeclarativeBoundSignalParameters"); - - QList<QByteArray> paramTypes = method.parameterTypes(); - QList<QByteArray> paramNames = method.parameterNames(); - types = new int[paramTypes.count()]; - for (int ii = 0; ii < paramTypes.count(); ++ii) { - const QByteArray &type = paramTypes.at(ii); - const QByteArray &name = paramNames.at(ii); - - if (name.isEmpty() || type.isEmpty()) { - types[ii] = 0; - continue; - } - - QVariant::Type t = (QVariant::Type)QMetaType::type(type.constData()); - if (QDeclarativeMetaType::isQObject(t)) { - types[ii] = QMetaType::QObjectStar; - QMetaPropertyBuilder prop = mob.addProperty(name, "QObject*"); - prop.setWritable(false); - } else { - QByteArray propType = type; - if (t >= QVariant::UserType || t == QVariant::Invalid) { - QByteArray scope; - QByteArray name; - int scopeIdx = propType.lastIndexOf("::"); - if (scopeIdx != -1) { - scope = propType.left(scopeIdx); - name = propType.mid(scopeIdx + 2); - } else { - name = propType; - } - const QMetaObject *meta; - if (scope == "Qt") - meta = &QObject::staticQtMetaObject; - else - meta = parent->parent()->metaObject(); //### assumes parent->parent() - for (int i = meta->enumeratorCount() - 1; i >= 0; --i) { - QMetaEnum m = meta->enumerator(i); - if ((m.name() == name) && (scope.isEmpty() || (m.scope() == scope))) { - t = QVariant::Int; - propType = "int"; - break; - } - } - } - types[ii] = t; - QMetaPropertyBuilder prop = mob.addProperty(name, propType); - prop.setWritable(false); - } - } - myMetaObject = mob.toMetaObject(); - *static_cast<QMetaObject *>(mo) = *myMetaObject; - - d_ptr->metaObject = mo; -} - -QDeclarativeBoundSignalParameters::~QDeclarativeBoundSignalParameters() -{ - delete [] types; - free(myMetaObject); -} - -void QDeclarativeBoundSignalParameters::setValues(void **v) -{ - values = v; -} - -void QDeclarativeBoundSignalParameters::clearValues() -{ - values = 0; -} - -int QDeclarativeBoundSignalParameters::metaCall(QMetaObject::Call c, int id, void **a) -{ - if (!values) - return -1; - - if (c == QMetaObject::ReadProperty && id >= 1) { - int t = types[id - 1]; - void *p = a[0]; - QMetaType::destruct(t, p); - QMetaType::construct(t, p, values[id]); - return -1; - } else { - return qt_metacall(c, id, a); - } -} - -QT_END_NAMESPACE - -#include <qdeclarativeboundsignal.moc> |