/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include "hbthetestwidget_p.h"

#include "hbthetestutility_p.h"

#include "hbinstance.h"

#include "hbnamespace_p.h"

#include <QGraphicsWidget>

#include <QTextStream>

#include <QFile>

#include <QDir>

#include <QDate>

#include <QTimer>

#include <QFont>

#include <QObject>

#include <hbstyle.h>

#include <hbaction.h>

#include <QDebug> // for qWarning

#ifndef Q_OS_SYMBIAN

#include <iostream>

#endif

const QChar KComment('#');

const QString KDriveFPath("F:\\data\\log\\");

const QString KDriveEPath("E:\\data\\log\\");

const QString KDriveCPath("C:\\data\\log\\");

const QString KTheConfigureFile("TheTestUtility.txt"); // todo: proper name for configuration file

class HbTheTestUtilityPrivate

{

public:

    HbTheTestUtilityPrivate(HbMainWindow *mainWindow);

    bool checkConfigFile();

    bool doCheckConfigFile(const QString &path);

    QObject *receiver(const QString &name);

public:

    HbMainWindow *mMainWindow;

    HbTheTestWidget *mTestWidget;

    bool useE;

    bool useF;

    bool button1used;

    bool button2used;

    bool button3used;

    bool button4used;

};

HbTheTestUtilityPrivate::HbTheTestUtilityPrivate(HbMainWindow *mainWindow):

mMainWindow(mainWindow),

mTestWidget(0),

useE(false),

useF(false),

button1used(false),

button2used(false),

button3used(false),

button4used(false)

{

}

/*!

    Check the existence of configuration file.

    Test button is only created if configuration file can be found and

    there are at least one slot configured to any button.

    \internal

*/

bool HbTheTestUtilityPrivate::checkConfigFile()

{

#if defined (Q_OS_UNIX)

    return false; // currently no UNIX support

#elif defined (Q_OS_SYMBIAN)

    bool useC = false;

    useF = doCheckConfigFile(KDriveFPath);

    if (!useF) {

        useE = doCheckConfigFile(KDriveEPath);

        if (!useE) {

            useC = doCheckConfigFile(KDriveCPath);

        }

    }

    return (useC || useE || useF);

#elif defined (Q_OS_WIN32)

    return doCheckConfigFile(KDriveCPath);

#endif

}

/*!

    Called from checkConfigFile()

    Does the actual configuration file check from given path.

    \internal

*/

bool HbTheTestUtilityPrivate::doCheckConfigFile(const QString &path)

{

    QString filePath = path;

    filePath = QDir::toNativeSeparators(filePath);

    QDir dir(filePath);

    if (!dir.exists()) {

        return false;

    }

    filePath.append(KTheConfigureFile);

    QFile file(filePath);

    if (!file.exists()) {

        return false;

    }

    if (!file.open(QFile::ReadOnly | QFile::Text)) {

#ifndef Q_OS_SYMBIAN

        std::cerr << "Error: Cannot read from file " << qPrintable(file.fileName());

        std::cerr << qPrintable(filePath);

        std::cerr << qPrintable(file.errorString()) << std::endl;

#endif

        return false;

    }

    QTextStream configReader(&file);

    QString line;

    do {

        line = configReader.readLine();

        if (line.size() > 0) {

            if (line.at(0).digitValue() == 1) {

                button1used = true;

            } else if (line.at(0).digitValue() == 2) {

                button2used = true;

            } else if (line.at(0).digitValue() == 3) {

                button3used = true;

            } else if (line.at(0).digitValue() == 4) {

                button4used = true;

            }

        }

    } while (!line.isNull());

    if (button1used || button2used || button3used || button4used) {

        return true;

    }

    return false;

}

/*!

    Returns first QObject from mainwindow's scene or 0,

    if no object with given name found.

    \internal

*/

QObject *HbTheTestUtilityPrivate::receiver(const QString& name)

{

    QGraphicsScene* scene = mMainWindow->scene();

    QList<QGraphicsItem*> sceneItems = scene->items();

    foreach (QGraphicsItem* sceneItem, sceneItems ) {

        if (sceneItem->isWidget()) {

            QGraphicsWidget *obj = static_cast<QGraphicsWidget *>(sceneItem);

            // in 4.6 this code could be used

            //QGraphicsObject *obj = sceneItem->toGraphicsObject();

            //if (!obj) continue;

            QString className = QString::fromUtf8(obj->metaObject()->className());

            if (className == name) {

                return qobject_cast<QObject*>(obj);

            }

        }

    }

    return 0;

}

/*!

    \class HbTheTestUtility

    \internal

    \proto

*/

HbTheTestUtility::HbTheTestUtility(HbMainWindow *mainWindow)

{

    d = new HbTheTestUtilityPrivate(mainWindow);

    QTimer::singleShot(3000,this,SLOT(initialize())); // random 3 second delay

}

void HbTheTestUtility::initialize()

{

    if (d->checkConfigFile()) {

        d->mTestWidget = new HbTheTestWidget(d->mMainWindow);

        QObject::connect(d->mTestWidget->button1(), SIGNAL(clicked()),

            this, SLOT(button1clicked()));

        QObject::connect(d->mTestWidget->button2(), SIGNAL(clicked()),

            this, SLOT(button2clicked()));

        QObject::connect(d->mTestWidget->button3(), SIGNAL(clicked()),

            this, SLOT(button3clicked()));

        QObject::connect(d->mTestWidget->button4(), SIGNAL(clicked()),

            this, SLOT(button4clicked()));

        d->mTestWidget->setZValue(HbPrivate::PopupZValueRangeEnd+1);

        // hide buttons, that are not used

        if (!d->button1used) {

            d->mTestWidget->button1()->setVisible(false);

        }

        if (!d->button2used) {

            d->mTestWidget->button2()->setVisible(false);

        }

        if (!d->button3used) {

            d->mTestWidget->button3()->setVisible(false);

        }

        if (!d->button4used) {

            d->mTestWidget->button4()->setVisible(false);

        }

        d->mTestWidget->setLayoutDirection(Qt::LeftToRight);

        d->mMainWindow->scene()->addItem(d->mTestWidget);

    }

}

void HbTheTestUtility::button1clicked()

{

    invokeSlots(1);

}

void HbTheTestUtility::button2clicked()

{

    invokeSlots(2);

}

void HbTheTestUtility::button3clicked()

{

    invokeSlots(3);

}

void HbTheTestUtility::button4clicked()

{

    invokeSlots(4);

}

/*!

    Called, when TheTestButton is clicked.

    This method parses configuration file and calls all available slots.

    \internal

*/

void HbTheTestUtility::invokeSlots(const int button)

{

#if defined (Q_OS_LINUX) || defined(Q_OS_MAC)

    QString filePath(QDir::tempPath());

#else

    QString filePath;

    if (d->useF) {

        filePath = "F:\\data\\log\\";

    } else if (d->useE) {

        filePath = "E:\\data\\log\\";

    } else {

        filePath = "C:\\data\\log\\";

    }

#endif

    filePath = QDir::toNativeSeparators(filePath);

    filePath.append(KTheConfigureFile);

    QFile file(filePath);

    if (!file.exists()) {

        return;

    }

    if (!file.open(QFile::ReadOnly | QFile::Text)) {

#ifndef Q_OS_SYMBIAN

        std::cerr << "Error: Cannot read from file " << qPrintable(file.fileName());

        std::cerr << qPrintable(filePath);

        std::cerr << qPrintable(file.errorString()) << std::endl;

#endif

        return;

    }

    QTextStream configReader(&file);

    QString line;

    do {

        line = configReader.readLine();

        if (line.isEmpty()) {

            continue;

        }

        // line not empty -> at least one character found

        if (line.at(0) == KComment) {

            continue;

        }

        if (line.at(0).digitValue() == button) {

            QString object = line.section(" ", 1, 1);

            QString method = line.section(" ", 2, 2);

            QObject *temp = d->receiver(object);

            if (temp) {

                QMetaObject::invokeMethod(temp, method.toLatin1(), Qt::DirectConnection);

            }

        }

    } while (!line.isNull());

}

HbTheTestUtility::~HbTheTestUtility()

{

    delete d;

}