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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtTest module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSIGNALSPY_H
+#define QSIGNALSPY_H
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qmetaobject.h>
+#include <QtCore/qvariant.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Test)
+
+class QVariant;
+
+/* ### Qt5: change the class to use regular BC mechanisms, such that we can
+ * implement things like suggested in task 160192. */
+class QSignalSpy: public QObject, public QList<QList<QVariant> >
+{
+public:
+ QSignalSpy(QObject *obj, const char *aSignal)
+ {
+#ifdef Q_CC_BOR
+ const int memberOffset = QObject::staticMetaObject.methodCount();
+#else
+ static const int memberOffset = QObject::staticMetaObject.methodCount();
+#endif
+ Q_ASSERT(obj);
+ Q_ASSERT(aSignal);
+
+ if (((aSignal[0] - '0') & 0x03) != QSIGNAL_CODE) {
+ qWarning("QSignalSpy: Not a valid signal, use the SIGNAL macro");
+ return;
+ }
+
+ QByteArray ba = QMetaObject::normalizedSignature(aSignal + 1);
+ const QMetaObject *mo = obj->metaObject();
+ int sigIndex = mo->indexOfMethod(ba.constData());
+ if (sigIndex < 0) {
+ qWarning("QSignalSpy: No such signal: '%s'", ba.constData());
+ return;
+ }
+
+ if (!QMetaObject::connect(obj, sigIndex, this, memberOffset,
+ Qt::DirectConnection, 0)) {
+ qWarning("QSignalSpy: QMetaObject::connect returned false. Unable to connect.");
+ return;
+ }
+ sig = ba;
+ initArgs(mo->method(sigIndex));
+ }
+
+ inline bool isValid() const { return !sig.isEmpty(); }
+ inline QByteArray signal() const { return sig; }
+
+
+ int qt_metacall(QMetaObject::Call call, int methodId, void **a)
+ {
+ methodId = QObject::qt_metacall(call, methodId, a);
+ if (methodId < 0)
+ return methodId;
+
+ if (call == QMetaObject::InvokeMetaMethod) {
+ if (methodId == 0) {
+ appendArgs(a);
+ }
+ --methodId;
+ }
+ return methodId;
+ }
+
+private:
+ void initArgs(const QMetaMethod &member)
+ {
+ QList<QByteArray> params = member.parameterTypes();
+ for (int i = 0; i < params.count(); ++i) {
+ int tp = QMetaType::type(params.at(i).constData());
+ if (tp == QMetaType::Void)
+ qWarning("Don't know how to handle '%s', use qRegisterMetaType to register it.",
+ params.at(i).constData());
+ args << tp;
+ }
+ }
+
+ void appendArgs(void **a)
+ {
+ QList<QVariant> list;
+ for (int i = 0; i < args.count(); ++i) {
+ QMetaType::Type type = static_cast<QMetaType::Type>(args.at(i));
+ list << QVariant(type, a[i + 1]);
+ }
+ append(list);
+ }
+
+ // the full, normalized signal name
+ QByteArray sig;
+ // holds the QMetaType types for the argument list of the signal
+ QList<int> args;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif