| 0,0 → 1,136 |
|---|
| /* |
| * |
| * This file is part of QMapControl, |
| * an open-source cross-platform map widget |
| * |
| * Copyright (C) 2007 - 2008 Kai Winter |
| * |
| * 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, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * 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 QMapControl. If not, see <http://www.gnu.org/licenses/>. |
| * |
| * Contact e-mail: kaiwinter@gmx.de |
| * Program URL : http://qmapcontrol.sourceforge.net/ |
| * |
| */ |
| |
| #include "mapnetwork.h" |
| #include <QWaitCondition> |
| namespace qmapcontrol |
| { |
| MapNetwork::MapNetwork(ImageManager* parent) |
| :parent(parent), http(new QHttp(this)), loaded(0) |
| { |
| connect(http, SIGNAL(requestFinished(int, bool)), |
| this, SLOT(requestFinished(int, bool))); |
| } |
| |
| MapNetwork::~MapNetwork() |
| { |
| http->clearPendingRequests(); |
| delete http; |
| } |
| |
| |
| void MapNetwork::loadImage(const QString& host, const QString& url) |
| { |
| // qDebug() << "getting: " << QString(host).append(url); |
| // http->setHost(host); |
| // int getId = http->get(url); |
| |
| http->setHost(host); |
| QHttpRequestHeader header("GET", url); |
| header.setValue("User-Agent", "Mozilla"); |
| header.setValue("Host", host); |
| int getId = http->request(header); |
| |
| if (vectorMutex.tryLock()) |
| { |
| loadingMap[getId] = url; |
| vectorMutex.unlock(); |
| } |
| } |
| |
| void MapNetwork::requestFinished(int id, bool error) |
| { |
| // sleep(1); |
| // qDebug() << "MapNetwork::requestFinished" << http->state() << ", id: " << id; |
| if (error) |
| { |
| qDebug() << "network error: " << http->errorString(); |
| //restart query |
| |
| } |
| else if (vectorMutex.tryLock()) |
| { |
| // check if id is in map? |
| if (loadingMap.contains(id)) |
| { |
| |
| QString url = loadingMap[id]; |
| loadingMap.remove(id); |
| vectorMutex.unlock(); |
| // qDebug() << "request finished for id: " << id << ", belongs to: " << notifier.url << endl; |
| QByteArray ax; |
| |
| if (http->bytesAvailable()>0) |
| { |
| QPixmap pm; |
| ax = http->readAll(); |
| |
| if (pm.loadFromData(ax)) |
| { |
| loaded += pm.size().width()*pm.size().height()*pm.depth()/8/1024; |
| // qDebug() << "Network loaded: " << (loaded); |
| parent->receivedImage(pm, url); |
| } |
| else |
| { |
| qDebug() << "NETWORK_PIXMAP_ERROR: " << ax; |
| } |
| } |
| |
| } |
| else |
| vectorMutex.unlock(); |
| |
| } |
| if (loadingMap.size() == 0) |
| { |
| // qDebug () << "all loaded"; |
| parent->loadingQueueEmpty(); |
| } |
| } |
| |
| void MapNetwork::abortLoading() |
| { |
| http->clearPendingRequests(); |
| if (vectorMutex.tryLock()) |
| { |
| loadingMap.clear(); |
| vectorMutex.unlock(); |
| } |
| } |
| |
| bool MapNetwork::imageIsLoading(QString url) |
| { |
| return loadingMap.values().contains(url); |
| } |
| |
| void MapNetwork::setProxy(QString host, int port) |
| { |
| #ifndef Q_WS_QWS |
| // do not set proxy on qt/extended |
| http->setProxy(host, port); |
| #endif |
| } |
| } |