browsercore/appfw/Api/Managers/downloadcontroller.h
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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, version 2.1 of the License.
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* 
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program.  If not, 
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
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*
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* Description:
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*
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*/
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#ifndef __DOWNLOAD_CONTROLLER_H__
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#define __DOWNLOAD_CONTROLLER_H__
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#include <QObject>
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#include "BWFGlobal.h"
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#include "downloadproxy.h"
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class QFileInfo;
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class QNetworkProxy;
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class QNetworkReply;
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class QNetworkRequest;
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class QString;
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class QUrl;
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class QWebPage;
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class DownloadControllerPrivate;
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class BWF_EXPORT DownloadController : public QObject
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{
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    Q_OBJECT
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public:
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    DownloadController(const QString & client, const QNetworkProxy & proxy);
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    ~DownloadController();
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public slots:
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    bool handlePage(QWebPage * page);
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    void startDownload(const QUrl & url, const QFileInfo & info);
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private slots:
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    void startDownload(QNetworkReply * reply);
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    void startDownload(const QNetworkRequest & request);
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signals:
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    void downloadCreated(DownloadProxy downloadProxy);
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    void downloadStarted(DownloadProxy downloadProxy);
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    void downloadHeaderReceived(DownloadProxy downloadProxy);
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    void downloadProgress(DownloadProxy downloadProxy);
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    void downloadFinished(DownloadProxy downloadProxy);
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    void downloadPaused(DownloadProxy downloadProxy, const QString & error);
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    void downloadCancelled(DownloadProxy downloadProxy, const QString & error);
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    void downloadFailed(DownloadProxy downloadProxy, const QString & error);
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    void downloadNetworkLoss(DownloadProxy downloadProxy, const QString & error);
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    void downloadError(DownloadProxy downloadProxy, const QString & error);
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    void downloadsCleared();
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    void unsupportedDownload(const QUrl & url);
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private:
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    DownloadControllerPrivate * d;
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    // Signals are protected, so they can't normally be emitted from methods
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    // in unrelated classes.  Therefore to emit DownloadController signals
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    // from methods in DownloadControllerPrivate, DownloadController must
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    // declare DownloadControllerPrivate as a friend.
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    friend class DownloadControllerPrivate;
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};
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#endif // __DOWNLOAD_CONTROLLER_H__