Rev 391 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 305 | KeyOz | 1 | /* |
| 2 | * |
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| 3 | * This file is part of QMapControl, |
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| 4 | * an open-source cross-platform map widget |
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| 5 | * |
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| 6 | * Copyright (C) 2007 - 2008 Kai Winter |
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| 7 | * |
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| 8 | * This program is free software: you can redistribute it and/or modify |
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| 9 | * it under the terms of the GNU Lesser General Public License as published by |
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| 10 | * the Free Software Foundation, either version 3 of the License, or |
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| 11 | * (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public License |
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| 19 | * along with QMapControl. If not, see <http://www.gnu.org/licenses/>. |
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| 20 | * |
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| 21 | * Contact e-mail: kaiwinter@gmx.de |
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| 22 | * Program URL : http://qmapcontrol.sourceforge.net/ |
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| 23 | * |
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| 24 | */ |
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| 25 | |||
| 26 | #include "mapnetwork.h" |
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| 27 | #include <QWaitCondition> |
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| 28 | namespace qmapcontrol |
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| 29 | { |
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| 30 | MapNetwork::MapNetwork(ImageManager* parent) |
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| 31 | :parent(parent), http(new QHttp(this)), loaded(0) |
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| 32 | { |
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| 33 | connect(http, SIGNAL(requestFinished(int, bool)), |
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| 34 | this, SLOT(requestFinished(int, bool))); |
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| 35 | } |
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| 36 | |||
| 37 | MapNetwork::~MapNetwork() |
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| 38 | { |
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| 39 | http->clearPendingRequests(); |
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| 40 | delete http; |
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| 41 | } |
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| 42 | |||
| 43 | |||
| 44 | void MapNetwork::loadImage(const QString& host, const QString& url) |
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| 45 | { |
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| 46 | // qDebug() << "getting: " << QString(host).append(url); |
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| 47 | // http->setHost(host); |
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| 48 | // int getId = http->get(url); |
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| 49 | |||
| 50 | http->setHost(host); |
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| 51 | QHttpRequestHeader header("GET", url); |
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| 52 | header.setValue("User-Agent", "Mozilla"); |
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| 53 | header.setValue("Host", host); |
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| 54 | int getId = http->request(header); |
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| 55 | |||
| 56 | if (vectorMutex.tryLock()) |
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| 57 | { |
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| 58 | loadingMap[getId] = url; |
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| 59 | vectorMutex.unlock(); |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | void MapNetwork::requestFinished(int id, bool error) |
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| 64 | { |
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| 65 | // sleep(1); |
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| 66 | // qDebug() << "MapNetwork::requestFinished" << http->state() << ", id: " << id; |
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| 67 | if (error) |
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| 68 | { |
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| 69 | qDebug() << "network error: " << http->errorString(); |
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| 70 | //restart query |
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| 71 | |||
| 72 | } |
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| 73 | else if (vectorMutex.tryLock()) |
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| 74 | { |
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| 75 | // check if id is in map? |
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| 76 | if (loadingMap.contains(id)) |
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| 77 | { |
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| 78 | |||
| 79 | QString url = loadingMap[id]; |
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| 80 | loadingMap.remove(id); |
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| 81 | vectorMutex.unlock(); |
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| 82 | // qDebug() << "request finished for id: " << id << ", belongs to: " << notifier.url << endl; |
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| 83 | QByteArray ax; |
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| 84 | |||
| 85 | if (http->bytesAvailable()>0) |
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| 86 | { |
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| 87 | QPixmap pm; |
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| 88 | ax = http->readAll(); |
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| 89 | |||
| 90 | if (pm.loadFromData(ax)) |
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| 91 | { |
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| 92 | loaded += pm.size().width()*pm.size().height()*pm.depth()/8/1024; |
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| 93 | // qDebug() << "Network loaded: " << (loaded); |
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| 94 | parent->receivedImage(pm, url); |
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| 95 | } |
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| 96 | else |
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| 97 | { |
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| 98 | qDebug() << "NETWORK_PIXMAP_ERROR: " << ax; |
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| 99 | } |
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| 100 | } |
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| 101 | |||
| 102 | } |
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| 103 | else |
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| 104 | vectorMutex.unlock(); |
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| 105 | |||
| 106 | } |
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| 107 | if (loadingMap.size() == 0) |
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| 108 | { |
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| 109 | // qDebug () << "all loaded"; |
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| 110 | parent->loadingQueueEmpty(); |
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| 111 | } |
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| 112 | } |
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| 113 | |||
| 114 | void MapNetwork::abortLoading() |
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| 115 | { |
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| 116 | http->clearPendingRequests(); |
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| 117 | // http->abort(); |
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| 118 | if (vectorMutex.tryLock()) |
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| 119 | { |
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| 120 | loadingMap.clear(); |
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| 121 | vectorMutex.unlock(); |
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| 122 | } |
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| 123 | } |
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| 124 | |||
| 125 | bool MapNetwork::imageIsLoading(QString url) |
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| 126 | { |
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| 127 | return loadingMap.values().contains(url); |
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| 128 | } |
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| 129 | |||
| 130 | void MapNetwork::setProxy(QString host, int port) |
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| 131 | { |
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| 132 | #ifndef Q_WS_QWS |
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| 133 | // do not set proxy on qt/extended |
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| 134 | http->setProxy(host, port); |
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| 135 | #endif |
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| 136 | } |
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| 137 | } |