diff -r 000000000000 -r 1918ee327afb demos/browser/downloadmanager.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/demos/browser/downloadmanager.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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 qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DOWNLOADMANAGER_H +#define DOWNLOADMANAGER_H + +#include "ui_downloads.h" +#include "ui_downloaditem.h" + +#include + +#include +#include + +class DownloadItem : public QWidget, public Ui_DownloadItem +{ + Q_OBJECT + +signals: + void statusChanged(); + +public: + DownloadItem(QNetworkReply *reply = 0, bool requestFileName = false, QWidget *parent = 0); + bool downloading() const; + bool downloadedSuccessfully() const; + + QUrl m_url; + + QFile m_output; + QNetworkReply *m_reply; + +private slots: + void stop(); + void tryAgain(); + void open(); + + void downloadReadyRead(); + void error(QNetworkReply::NetworkError code); + void downloadProgress(qint64 bytesReceived, qint64 bytesTotal); + void metaDataChanged(); + void finished(); + +private: + void getFileName(); + void init(); + void updateInfoLabel(); + QString dataString(int size) const; + + QString saveFileName(const QString &directory) const; + + bool m_requestFileName; + qint64 m_bytesReceived; + QTime m_downloadTime; +}; + +class AutoSaver; +class DownloadModel; +QT_BEGIN_NAMESPACE +class QFileIconProvider; +QT_END_NAMESPACE + +class DownloadManager : public QDialog, public Ui_DownloadDialog +{ + Q_OBJECT + Q_PROPERTY(RemovePolicy removePolicy READ removePolicy WRITE setRemovePolicy) + Q_ENUMS(RemovePolicy) + +public: + enum RemovePolicy { + Never, + Exit, + SuccessFullDownload + }; + + DownloadManager(QWidget *parent = 0); + ~DownloadManager(); + int activeDownloads() const; + + RemovePolicy removePolicy() const; + void setRemovePolicy(RemovePolicy policy); + +public slots: + void download(const QNetworkRequest &request, bool requestFileName = false); + inline void download(const QUrl &url, bool requestFileName = false) + { download(QNetworkRequest(url), requestFileName); } + void handleUnsupportedContent(QNetworkReply *reply, bool requestFileName = false); + void cleanup(); + +private slots: + void save() const; + void updateRow(); + +private: + void addItem(DownloadItem *item); + void updateItemCount(); + void load(); + + AutoSaver *m_autoSaver; + DownloadModel *m_model; + QNetworkAccessManager *m_manager; + QFileIconProvider *m_iconProvider; + QList m_downloads; + RemovePolicy m_removePolicy; + friend class DownloadModel; +}; + +class DownloadModel : public QAbstractListModel +{ + friend class DownloadManager; + Q_OBJECT + +public: + DownloadModel(DownloadManager *downloadManager, QObject *parent = 0); + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; + int rowCount(const QModelIndex &parent = QModelIndex()) const; + bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()); + +private: + DownloadManager *m_downloadManager; + +}; + +#endif // DOWNLOADMANAGER_H +