/*

    Copyright (C) 2009 Jakub Wieczorek <faw217@gmail.com>

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License

    along with this library; see the file COPYING.LIB.  If not, write to

    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

*/

#include "../util.h"

#include <QtTest/QtTest>

#include <QGraphicsSceneMouseEvent>

#include <QGraphicsView>

#include <qgraphicswebview.h>

#include <qwebpage.h>

#include <qwebframe.h>

class tst_QGraphicsWebView : public QObject

{

    Q_OBJECT

private slots:

    void qgraphicswebview();

    void crashOnViewlessWebPages();

    void microFocusCoordinates();

    void focusInputTypes();

    void crashOnSetScaleBeforeSetUrl();

};

void tst_QGraphicsWebView::qgraphicswebview()

{

    QGraphicsWebView item;

    item.url();

    item.title();

    item.icon();

    item.zoomFactor();

    item.history();

    item.settings();

    item.page();

    item.setPage(0);

    item.page();

    item.setUrl(QUrl());

    item.setZoomFactor(0);

    item.load(QUrl());

    item.setHtml(QString());

    item.setContent(QByteArray());

    item.isModified();

}

class WebPage : public QWebPage

{

    Q_OBJECT

public:

    WebPage(QObject* parent = 0): QWebPage(parent)

    {

    }

    QGraphicsWebView* webView;

private slots:

    // Force a webview deletion during the load.

    // It should not cause WebPage to crash due to

    // it accessing invalid pageClient pointer.

    void aborting()

    {

        delete webView;

    }

};

class GraphicsWebView : public QGraphicsWebView

{

    Q_OBJECT

public:

    GraphicsWebView(QGraphicsItem* parent = 0): QGraphicsWebView(parent)

    {

    }

    void fireMouseClick(QPointF point) {

        QGraphicsSceneMouseEvent presEv(QEvent::GraphicsSceneMousePress);

        presEv.setPos(point);

        presEv.setButton(Qt::LeftButton);

        presEv.setButtons(Qt::LeftButton);

        QGraphicsSceneMouseEvent relEv(QEvent::GraphicsSceneMouseRelease);

        relEv.setPos(point);

        relEv.setButton(Qt::LeftButton);

        relEv.setButtons(Qt::LeftButton);

        QGraphicsWebView::sceneEvent(&presEv);

        QGraphicsWebView::sceneEvent(&relEv);

    }

};

void tst_QGraphicsWebView::crashOnViewlessWebPages()

{

    QGraphicsScene scene;

    QGraphicsView view(&scene);

    QGraphicsWebView* webView = new QGraphicsWebView;

    WebPage* page = new WebPage;

    webView->setPage(page);

    page->webView = webView;

    scene.addItem(webView);

    view.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

    view.resize(600, 480);

    webView->resize(view.geometry().size());

    QCoreApplication::processEvents();

    view.show();

    // Resizing the page will resize and layout the empty "about:blank"

    // page, so we first connect the signal afterward.

    connect(page->mainFrame(), SIGNAL(initialLayoutCompleted()), page, SLOT(aborting()));

    page->mainFrame()->setHtml(QString("data:text/html,"

                                            "<frameset cols=\"25%,75%\">"

                                                "<frame src=\"data:text/html,foo \">"

                                                "<frame src=\"data:text/html,bar\">"

                                            "</frameset>"));

    QVERIFY(waitForSignal(page, SIGNAL(loadFinished(bool))));

    delete page;

}

void tst_QGraphicsWebView::crashOnSetScaleBeforeSetUrl()

{

    QGraphicsWebView* webView = new QGraphicsWebView;

    webView->setScale(2.0);

    delete webView;

}

void tst_QGraphicsWebView::microFocusCoordinates()

{

    QWebPage* page = new QWebPage;

    QGraphicsWebView* webView = new QGraphicsWebView;

    webView->setPage( page );

    QGraphicsView* view = new QGraphicsView;

    QGraphicsScene* scene = new QGraphicsScene(view);

    view->setScene(scene);

    scene->addItem(webView);

    view->setGeometry(QRect(0,0,500,500));

    page->mainFrame()->setHtml("<html><body>" \

        "<input type='text' id='input1' style='font--family: serif' value='' maxlength='20'/><br>" \

        "<canvas id='canvas1' width='500' height='500'/>" \

        "<input type='password'/><br>" \

        "<canvas id='canvas2' width='500' height='500'/>" \

        "</body></html>");

    page->mainFrame()->setFocus();

    QVariant initialMicroFocus = page->inputMethodQuery(Qt::ImMicroFocus);

    QVERIFY(initialMicroFocus.isValid());

    page->mainFrame()->scroll(0,300);

    QVariant currentMicroFocus = page->inputMethodQuery(Qt::ImMicroFocus);

    QVERIFY(currentMicroFocus.isValid());

    QCOMPARE(initialMicroFocus.toRect().translated(QPoint(0,-300)), currentMicroFocus.toRect());

    delete view;

}

void tst_QGraphicsWebView::focusInputTypes()

{

    QWebPage* page = new QWebPage;

    GraphicsWebView* webView = new GraphicsWebView;

    webView->setPage( page );

    QGraphicsView* view = new QGraphicsView;

    QGraphicsScene* scene = new QGraphicsScene(view);

    view->setScene(scene);

    scene->addItem(webView);

    view->setGeometry(QRect(0,0,500,500));

    QCoreApplication::processEvents();

    QUrl url("qrc:///resources/input_types.html");

    page->mainFrame()->load(url);

    page->mainFrame()->setFocus();

    QVERIFY(waitForSignal(page, SIGNAL(loadFinished(bool))));

    // 'text' type

    webView->fireMouseClick(QPointF(20.0, 10.0));

#if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6) || defined(Q_OS_SYMBIAN)

    QVERIFY(webView->inputMethodHints() & Qt::ImhNoAutoUppercase);

    QVERIFY(webView->inputMethodHints() & Qt::ImhNoPredictiveText);

#else

    QVERIFY(webView->inputMethodHints() == Qt::ImhNone);

#endif

    // 'password' field

    webView->fireMouseClick(QPointF(20.0, 60.0));

    QVERIFY(webView->inputMethodHints() & Qt::ImhHiddenText);

    // 'tel' field

    webView->fireMouseClick(QPointF(20.0, 110.0));

    QVERIFY(webView->inputMethodHints() & Qt::ImhDialableCharactersOnly);

    // 'number' field

    webView->fireMouseClick(QPointF(20.0, 160.0));

    QVERIFY(webView->inputMethodHints() & Qt::ImhDigitsOnly);

    // 'email' field

    webView->fireMouseClick(QPointF(20.0, 210.0));

    QVERIFY(webView->inputMethodHints() & Qt::ImhEmailCharactersOnly);

    // 'url' field

    webView->fireMouseClick(QPointF(20.0, 260.0));

    QVERIFY(webView->inputMethodHints() & Qt::ImhUrlCharactersOnly);

    delete webView;

    delete view;

}

QTEST_MAIN(tst_QGraphicsWebView)

#include "tst_qgraphicswebview.moc"