/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program 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 Lesser General Public License for more details.

*

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

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#include <QDebug>

#include "FileService.h"

#include <xqserviceutil.h>

#include "webpagecontroller.h"

#include "Utilities.h"

FileService::FileService(QObject* parent)

    : XQServiceProvider(QLatin1String("NokiaBrowser.com.nokia.symbian.IFileView"), parent)

{

    qDebug("FileService::FileService");

    publishAll();

}

FileService::~FileService()

{

    qDebug("FileService::~FileService");

}

// Handles loadFinished signal emitted by WebPageController. This signal

// indicates the completion of the request.

void FileService::completeAsyncRequest(bool ok)

{

    qDebug() << "FileService::complete: ok=" << ok;

    // Complete all

    foreach (quint32 reqId, mAsyncReqIds) {

        qDebug("FileService::complete %d", reqId);

        completeRequest(reqId, QVariant(ok));

    }

    // disconnect slots connected to WebPageController signals

    disconnect(WebPageController::getSingleton(), 0, this, 0);

}

// View operation / slot for non-data-caged file.

bool FileService::view(QString file)

{

    XQRequestInfo info = requestInfo();

    qDebug() << "FileService::view(" << file << ")";

    if (!info.isSynchronous()) {

        qDebug() << "FileService::view: Asynchronous Request";

        mAsyncReqIds.insertMulti(info.clientSecureId(), setCurrentRequestAsync());

        safe_connect(this, SIGNAL(returnValueDelivered()), this, SLOT(handleAnswerDelivered()));

        safe_connect(this, SIGNAL(clientDisconnected()), this, SLOT(handleClientDisconnect()));

        safe_connect(WebPageController::getSingleton(), SIGNAL(loadFinished(bool)), this, SLOT(completeAsyncRequest(bool)));

    }

    // Load specified file.

    file.prepend("file:///"); // create full URL from file path

    WebPageController::getSingleton()->loadInitialUrlFromOtherApp(file);

    return true;

}

// Handles clientDisconnected signal emitted by base class, XQServiceProvider.

// It's emitted if client accessing a service application terminates. 

void FileService::handleClientDisconnect()

{

    XQRequestInfo info = requestInfo();

    // Output some debug info.

    qDebug("FileService::handleClientDisconnect");

    qDebug("\tRequest info: id=%d,sid=%X,vid=%X", info.id(),info.clientSecureId(), info.clientVendorId());

    // Remove request from asynchronous IDs.

    mAsyncReqIds.remove(info.clientSecureId());

    // Disconnect signal from this slot if no more asynchronous requests.

    if (!asyncAnswer()) {

        // Disconnect all signals from this object to slots in this object.

        disconnect(this, 0, this, 0);

    }

}

// Handles returnValueDelivered signal emitted by base class, XQServiceProvider.

// It's emitted when asynchronous request has been completed and its return 

// value has been delivered to the service client.

void FileService::handleAnswerDelivered()

{

    XQRequestInfo info = requestInfo();

    // Output some debug info.

    qDebug("FileService::handleAnswerDelivered");

    qDebug("\tRequest info: sid=%X,vid=%X", info.clientSecureId(), info.clientVendorId());

    // Done servicing request, remove it from asynchronous IDs.

    mAsyncReqIds.remove(info.clientSecureId());

    // Disconnect signal from this slot if no more asynchronous requests.

    if (!asyncAnswer()) {

        // Disconnect all signals from this object to slots in this object.

        disconnect(this, 0, this, 0);

    }

}