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****************************************************************************/
#include <qtest.h>
#include <QtDeclarative/qmlengine.h>
#include <QtDeclarative/qmlcomponent.h>
#include <QtDeclarative/qmlcontext.h>
#include <QtDeclarative/qmlview.h>
#include <qmlgraphicsitem.h>

class tst_QmlGraphicsItem : public QObject

{
    Q_OBJECT
public:
    tst_QmlGraphicsItem();

private slots:
    void keys();
    void keyNavigation();

private:
    template<typename T>
    T *findItem(QmlGraphicsItem *parent, const QString &objectName);
};

class KeysTestObject : public QObject
{
    Q_OBJECT
public:
    KeysTestObject() : mKey(0), mModifiers(0), mForwardedKey(0) {}

    void reset() {
        mKey = 0;
        mText = QString();
        mModifiers = 0;
        mForwardedKey = 0;
    }

public slots:
    void keyPress(int key, QString text, int modifiers) {
        mKey = key;
        mText = text;
        mModifiers = modifiers;
    }
    void keyRelease(int key, QString text, int modifiers) {
        mKey = key;
        mText = text;
        mModifiers = modifiers;
    }
    void forwardedKey(int key) {
        mForwardedKey = key;
    }

public:
    int mKey;
    QString mText;
    int mModifiers;
    int mForwardedKey;

private:
};


tst_QmlGraphicsItem::tst_QmlGraphicsItem()
{
}

void tst_QmlGraphicsItem::keys()
{
    QmlView *canvas = new QmlView(0);
    canvas->setFixedSize(240,320);

    canvas->setUrl(QUrl("file://" SRCDIR "/data/keys.qml"));

    KeysTestObject *testObject = new KeysTestObject;
    canvas->rootContext()->setContextProperty("keysTestObject", testObject);

    canvas->rootContext()->setContextProperty("enableKeyHanding", QVariant(true));

    canvas->execute();
    canvas->show();
    qApp->processEvents();

    QEvent wa(QEvent::WindowActivate);
    QApplication::sendEvent(canvas, &wa);
    QFocusEvent fe(QEvent::FocusIn);
    QApplication::sendEvent(canvas, &fe);

    QKeyEvent key(QEvent::KeyPress, Qt::Key_A, Qt::NoModifier, "A", false, 1);
    QApplication::sendEvent(canvas, &key);
    QCOMPARE(testObject->mKey, int(Qt::Key_A));
    QCOMPARE(testObject->mForwardedKey, int(Qt::Key_A));
    QCOMPARE(testObject->mText, QLatin1String("A"));
    QVERIFY(testObject->mModifiers == Qt::NoModifier);
    QVERIFY(!key.isAccepted());

    testObject->reset();

    key = QKeyEvent(QEvent::KeyRelease, Qt::Key_A, Qt::ShiftModifier, "A", false, 1);
    QApplication::sendEvent(canvas, &key);
    QCOMPARE(testObject->mKey, int(Qt::Key_A));
    QCOMPARE(testObject->mForwardedKey, int(Qt::Key_A));
    QCOMPARE(testObject->mText, QLatin1String("A"));
    QVERIFY(testObject->mModifiers == Qt::ShiftModifier);
    QVERIFY(key.isAccepted());

    testObject->reset();

    key = QKeyEvent(QEvent::KeyPress, Qt::Key_Return, Qt::NoModifier, "", false, 1);
    QApplication::sendEvent(canvas, &key);
    QCOMPARE(testObject->mKey, int(Qt::Key_Return));
    QCOMPARE(testObject->mForwardedKey, int(Qt::Key_Return));
    QCOMPARE(testObject->mText, QLatin1String("Return"));
    QVERIFY(testObject->mModifiers == Qt::NoModifier);
    QVERIFY(key.isAccepted());

    testObject->reset();

    key = QKeyEvent(QEvent::KeyPress, Qt::Key_0, Qt::NoModifier, "0", false, 1);
    QApplication::sendEvent(canvas, &key);
    QCOMPARE(testObject->mKey, int(Qt::Key_0));
    QCOMPARE(testObject->mForwardedKey, int(Qt::Key_0));
    QCOMPARE(testObject->mText, QLatin1String("0"));
    QVERIFY(testObject->mModifiers == Qt::NoModifier);
    QVERIFY(key.isAccepted());

    testObject->reset();

    key = QKeyEvent(QEvent::KeyPress, Qt::Key_9, Qt::NoModifier, "9", false, 1);
    QApplication::sendEvent(canvas, &key);
    QCOMPARE(testObject->mKey, int(Qt::Key_9));
    QCOMPARE(testObject->mForwardedKey, int(Qt::Key_9));
    QCOMPARE(testObject->mText, QLatin1String("9"));
    QVERIFY(testObject->mModifiers == Qt::NoModifier);
    QVERIFY(!key.isAccepted());

    testObject->reset();

    canvas->rootContext()->setContextProperty("enableKeyHanding", QVariant(false));

    key = QKeyEvent(QEvent::KeyPress, Qt::Key_Return, Qt::NoModifier, "", false, 1);
    QApplication::sendEvent(canvas, &key);
    QCOMPARE(testObject->mKey, 0);
    QVERIFY(!key.isAccepted());

    delete canvas;
    delete testObject;
}

void tst_QmlGraphicsItem::keyNavigation()
{
    QmlView *canvas = new QmlView(0);
    canvas->setFixedSize(240,320);

    canvas->setUrl(QUrl("file://" SRCDIR "/data/keynavigation.qml"));
    canvas->execute();
    canvas->show();
    qApp->processEvents();

    QEvent wa(QEvent::WindowActivate);
    QApplication::sendEvent(canvas, &wa);
    QFocusEvent fe(QEvent::FocusIn);
    QApplication::sendEvent(canvas, &fe);

    QmlGraphicsItem *item = findItem<QmlGraphicsItem>(canvas->root(), "item1");
    QVERIFY(item);
    QVERIFY(item->hasFocus());

    // right
    QKeyEvent key(QEvent::KeyPress, Qt::Key_Right, Qt::NoModifier, "", false, 1);
    QApplication::sendEvent(canvas, &key);
    QVERIFY(key.isAccepted());

    item = findItem<QmlGraphicsItem>(canvas->root(), "item2");
    QVERIFY(item);
    QVERIFY(item->hasFocus());

    // down
    key = QKeyEvent(QEvent::KeyPress, Qt::Key_Down, Qt::NoModifier, "", false, 1);
    QApplication::sendEvent(canvas, &key);
    QVERIFY(key.isAccepted());

    item = findItem<QmlGraphicsItem>(canvas->root(), "item4");
    QVERIFY(item);
    QVERIFY(item->hasFocus());

    // left
    key = QKeyEvent(QEvent::KeyPress, Qt::Key_Left, Qt::NoModifier, "", false, 1);
    QApplication::sendEvent(canvas, &key);
    QVERIFY(key.isAccepted());

    item = findItem<QmlGraphicsItem>(canvas->root(), "item3");
    QVERIFY(item);
    QVERIFY(item->hasFocus());

    // up
    key = QKeyEvent(QEvent::KeyPress, Qt::Key_Up, Qt::NoModifier, "", false, 1);
    QApplication::sendEvent(canvas, &key);
    QVERIFY(key.isAccepted());

    item = findItem<QmlGraphicsItem>(canvas->root(), "item1");
    QVERIFY(item);
    QVERIFY(item->hasFocus());
}

template<typename T>
T *tst_QmlGraphicsItem::findItem(QmlGraphicsItem *parent, const QString &objectName)
{
    if (!parent)
        return 0;

    const QMetaObject &mo = T::staticMetaObject;
    //qDebug() << parent->QGraphicsObject::children().count() << "children";
    for (int i = 0; i < parent->QGraphicsObject::children().count(); ++i) {
        QmlGraphicsItem *item = qobject_cast<QmlGraphicsItem*>(parent->QGraphicsObject::children().at(i));
        if(!item)
            continue;
        //qDebug() << "try" << item;
        if (mo.cast(item) && (objectName.isEmpty() || item->objectName() == objectName))
            return static_cast<T*>(item);
        item = findItem<T>(item, objectName);
        if (item)
            return static_cast<T*>(item);
    }

    return 0;
}



QTEST_MAIN(tst_QmlGraphicsItem)

#include "tst_qmlgraphicsitem.moc"