1 /*************************************************************************** 2 * Copyright (C) 2007 by Kai Winter * 3 * kaiwinter@gmx.de * 4 * * 5 * This program is free software; you can redistribute it and/or modify * 6 * it under the terms of the GNU General Public License as published by * 7 * the Free Software Foundation; either version 2 of the License, or * 8 * (at your option) any later version. * 9 * * 10 * This program is distributed in the hope that it will be useful, * 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 13 * GNU General Public License for more details. * 14 * * 15 * You should have received a copy of the GNU General Public License * 16 * along with this program; if not, write to the * 17 * Free Software Foundation, Inc., * 18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 19 ***************************************************************************/ 20 #ifndef MAPNETWORK_H 21 #define MAPNETWORK_H 22 23 #include <QObject> 24 #include <QDebug> 25 #include <QList> 26 #include <QQueue> 27 #include <QPixmap> 28 #include <QMutex> 29 #include <QUrl> 30 31 #include "IImageManager.h" 32 /** 33 @author Kai Winter <kaiwinter@gmx.de> 34 */ 35 class ImageManager; 36 class MapNetwork : QObject 37 { 38 Q_OBJECT 39 public: 40 MapNetwork(IImageManager* parent); 41 ~MapNetwork(); 42 43 void load(const QString& hash, const QString& host, const QString& url); 44 45 /*! 46 * checks if the given url is already loading 47 * @param url the url of the image 48 * @return boolean, if the image is already loading 49 */ 50 bool isLoading(QString hash); 51 52 /*! 53 * Aborts all current loading threads. 54 * This is useful when changing the zoom-factor, though newly needed images loads faster 55 */ 56 void abortLoading(); 57 58 private: 59 IImageManager* parent; 60 QNetworkAccessManager* m_networkManager; 61 QMap<QNetworkReply*, LoadingRequest*> loadingMap; 62 QMap<QTimer*, QNetworkReply*> timeoutMap; 63 QQueue<LoadingRequest*> loadingRequests; 64 65 MapNetwork& operator=(const MapNetwork& rhs); 66 MapNetwork(const MapNetwork& old); 67 void launchRequest(); 68 void launchRequest(QUrl url, LoadingRequest* R); 69 70 71 private slots: 72 void requestFinished(QNetworkReply* reply); 73 void timeout(); 74 }; 75 76 #endif 77