/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtTest/QtTest>
#include <QWinMime>
#include <QtTest/QtTest>
#include <QtGui/QClipboard>
#include <QtGui/QPixmap>
#include <QtCore/QVariant>

class TestMime : public QWinMime
{
public:
    TestMime(bool verbose = false) : formatsForMimeCalled(false), m_verbose(verbose) {}

    bool canConvertFromMime(const FORMATETC &, const QMimeData *mimeData) const Q_DECL_OVERRIDE
    {
        if (m_verbose)
            qDebug() << Q_FUNC_INFO << mimeData->formats();
        return false;
    }

    bool convertFromMime(const FORMATETC &, const QMimeData *, STGMEDIUM *) const Q_DECL_OVERRIDE
    {
        if (m_verbose)
            qDebug() << Q_FUNC_INFO;
        return false;
    }

    QVector<FORMATETC> formatsForMime(const QString &mimeType, const QMimeData *mimeData) const Q_DECL_OVERRIDE
    {
        formatsForMimeCalled = true;
        if (m_verbose)
            qDebug() << Q_FUNC_INFO << mimeType << mimeData->formats();
        return QVector<FORMATETC>();
    }

    bool canConvertToMime(const QString &mimeType, IDataObject *) const Q_DECL_OVERRIDE
    {
        if (m_verbose)
            qDebug() << Q_FUNC_INFO << mimeType;
        return false;
    }

    QVariant convertToMime(const QString &mimeType, IDataObject *, QVariant::Type preferredType) const Q_DECL_OVERRIDE
    {
        if (m_verbose)
            qDebug() << Q_FUNC_INFO << mimeType << preferredType;
        return QVariant();
    }

    QString mimeForFormat(const FORMATETC &) const Q_DECL_OVERRIDE
    {
        if (m_verbose)
            qDebug() << Q_FUNC_INFO;
        return QString();
    }

    mutable bool formatsForMimeCalled;

private:
    const bool m_verbose;
};

class tst_QWinMime : public QObject
{
    Q_OBJECT

private slots:
    void testRegisterType();
    void testWinMime_data();
    void testWinMime();
};

void tst_QWinMime::testRegisterType()
{
    const int type = QWinMime::registerMimeType("foo/bar");
    QVERIFY2(type >= 0, QByteArray::number(type));
}

void tst_QWinMime::testWinMime_data()
{
    QTest::addColumn<QVariant>("data");
    QTest::newRow("string") << QVariant(QStringLiteral("bla"));
    QPixmap pm(10, 10);
    pm.fill(Qt::black);
    QTest::newRow("pixmap") << QVariant(pm);
}

void tst_QWinMime::testWinMime()
{
    QFETCH(QVariant, data);
    // Basic smoke test for crashes, copy some text into clipboard and check whether
    // the test implementation is called.
    TestMime testMime;
    QClipboard *clipboard = QApplication::clipboard();
    switch (data.type()) {
    case QMetaType::QString:
        clipboard->setText(data.toString());
        break;
    case QMetaType::QPixmap:
        clipboard->setPixmap(data.value<QPixmap>());
        break;
    default:
        break;
    }
    QTRY_VERIFY(testMime.formatsForMimeCalled);
}

QTEST_MAIN(tst_QWinMime)

#include "tst_qwinmime.moc"
