source: flair-src/trunk/tools/FlairGCS/src/Map.cpp @ 444

Last change on this file since 444 was 444, checked in by Sanahuja Guillaume, 3 months ago

update buffering (gcs part)
seems to work!

File size: 9.6 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5#include "Map.h"
6#include "Landmark.h"
7#include "Layout.h"
8#include "mapwidget.h"
9#include <QNetworkProxy>
10#include <QFormLayout>
11#include <QInputDialog>
12#include <QtGlobal>
13#include <QMenu>
14#include <QGeoMappingManager>
15#include <QGeoServiceProvider>
16#include <QComboBox>
17#include <QToolButton>
18#include <QCoreApplication>
19#include <qendian.h>
20
21//todo: merge Map and mapwidget
22
23using namespace QtMobility;
24
25Map::Map(Layout *parent, int row, int col, QString name,
26         QList<QGeoCoordinate> coordinates, bool enabled, uint16_t period)
27    : DataRemote(name, "Map", parent, enabled, period) {
28  visible_widget = new QWidget();
29  visible_widget->setObjectName(name);
30  centeredpoint = 0;
31
32  mapTypes[QGraphicsGeoMap::StreetMap] = tr("Street map");
33  mapTypes[QGraphicsGeoMap::SatelliteMapDay] = tr("Satellite map (day)");
34  mapTypes[QGraphicsGeoMap::SatelliteMapNight] = tr("Satellite map (night)");
35  mapTypes[QGraphicsGeoMap::TerrainMap] = tr("Terrain map");
36
37  mapWidget = new MapWidget(this, visible_widget);
38  geoMap = 0;
39
40  QVBoxLayout *map_layout = new QVBoxLayout();
41  parent->getQGridLayout()->addLayout(map_layout, row, col);
42  QHBoxLayout *tool_layout = new QHBoxLayout();
43  map_layout->addLayout(tool_layout, 0);
44
45  QFormLayout *servicelayout = new QFormLayout();
46  serviceCombo = new QComboBox(visible_widget);
47  servicelayout->addRow("service: ", serviceCombo);
48  QFormLayout *maplayout = new QFormLayout();
49  mapTypeCombo = new QComboBox(visible_widget);
50  maplayout->addRow("map type: ", mapTypeCombo);
51  QFormLayout *proxylayout = new QFormLayout();
52  proxyCombo = new QComboBox(visible_widget);
53  proxylayout->addRow("proxy: ", proxyCombo);
54
55  if (findServices()) {
56    tool_layout->addLayout(servicelayout, 0);
57    tool_layout->addLayout(maplayout, 1);
58    tool_layout->addLayout(proxylayout, 2);
59
60    zoomin = new QToolButton(visible_widget);
61    zoomout = new QToolButton(visible_widget);
62    zoomInAction =
63        new QAction(QIcon(QPixmap(":zoomin.png")), tr("Zoom &In"), zoomin);
64    zoomOutAction =
65        new QAction(QIcon(QPixmap(":zoomout.png")), tr("Zoom &Out"), zoomout);
66    zoomin->setDefaultAction(zoomInAction);
67    zoomout->setDefaultAction(zoomOutAction);
68    tool_layout->addWidget(zoomin, 3);
69    tool_layout->addWidget(zoomout, 4);
70    connect(zoomInAction, SIGNAL(triggered()), this, SLOT(zoomIn()));
71    connect(zoomOutAction, SIGNAL(triggered()), this, SLOT(zoomOut()));
72
73    selectService(0);
74
75    findproxy();
76
77    connect(serviceCombo, SIGNAL(currentIndexChanged(int)), this,
78            SLOT(selectService(int)));
79    connect(mapTypeCombo, SIGNAL(currentIndexChanged(int)), this,
80            SLOT(changeMapType(int)));
81    connect(proxyCombo, SIGNAL(currentIndexChanged(int)), this,
82            SLOT(changeproxy(int)));
83  } else {
84    fprintf(stderr,"Error, no services!\n");
85    mapWidget->setEnabled(false);
86  }
87
88  map_layout->addWidget(mapWidget, 1);
89  for (int i = 0; i < coordinates.size(); i++) {
90    mapWidget->AddLandmark((QGeoCoordinate &)coordinates.at(i));
91  }
92}
93
94Map::~Map() {
95  for (int i = 0; i < points.count(); i++) delete points.at(i);
96  delete mapWidget;
97}
98
99bool Map::findServices(void) {
100  QCoreApplication::addLibraryPath(qgetenv("OECORE_HOST_SYSROOT") +
101                                   "/usr/lib/qt4/");
102
103  QStringList services = QGeoServiceProvider::availableServiceProviders();
104
105  if (services.isEmpty()) {
106    QGraphicsTextItem *item = mapWidget->scene()->addText(
107        tr("Failed to find any map services. Please ensure that "
108           "the location services plugins for Qt Mobility are "
109           "installed and, if necessary, set the OECORE_HOST_SYSROOT "
110           "environment variable to the good location."));
111
112    item->setTextWidth(300);
113
114    return false;
115  }
116
117  QMap<QString, QVariant> parameters;
118
119  foreach (QString name, services) {
120
121    parameters["mapping.cache.directory"] = name;
122    parameters["mapping.cache.size"] = QString("500000000");
123
124    QGeoServiceProvider *service = new QGeoServiceProvider(name, parameters);
125
126    if (service->error() != QGeoServiceProvider::NoError) {
127      delete service;
128      continue;
129    }
130
131    QGeoMappingManager *manager = service->mappingManager();
132
133    if (manager) {
134      serviceCombo->addItem(name);
135      managers.append(manager);
136    }
137  }
138
139  return true;
140}
141
142void Map::selectService(int item) {
143  QString name = serviceCombo->currentText();
144
145  QGeoCoordinate coordinate = QGeoCoordinate(0, 0);
146  QGraphicsGeoMap::MapType mapType = QGraphicsGeoMap::StreetMap;
147  int zoomLevel = 1;
148
149  if (geoMap) {
150    coordinate = geoMap->center();
151    mapType = geoMap->mapType();
152    zoomLevel = geoMap->zoomLevel();
153
154    mapWidget->RemoveLandmarks();
155    RemovePoints();
156    geoMap->deleteLater();
157  }
158
159  manager = managers[item];
160  geoMap = new QGraphicsGeoMap(manager);
161
162  mapWidget->AddLandmarks(geoMap);
163  AddPoints(geoMap);
164  geoMap->setCenter(coordinate);
165  geoMap->setMapType(mapType);
166
167  populateMapTypeCombo();
168  updateZoom(zoomLevel);
169
170  mapWidget->setMap(geoMap);
171  connect(geoMap, SIGNAL(zoomLevelChanged(qreal)), this,
172          SLOT(updateZoom(qreal)));
173}
174
175void Map::changeMapType(int index) {
176  geoMap->setMapType(
177      QGraphicsGeoMap::MapType(mapTypeCombo->itemData(index).toInt()));
178}
179
180void Map::populateMapTypeCombo(void) {
181  mapTypeCombo->clear();
182
183  foreach (QGraphicsGeoMap::MapType mapType, geoMap->supportedMapTypes()) {
184    if (mapTypes.contains(mapType))
185      mapTypeCombo->addItem(mapTypes[mapType], QVariant(mapType));
186  }
187
188  if (mapTypeCombo->count() > 0)
189    geoMap->setMapType(
190        QGraphicsGeoMap::MapType(mapTypeCombo->itemData(0).toInt()));
191}
192
193void Map::zoomIn(void) { updateZoom(geoMap->zoomLevel() + 1); }
194
195void Map::zoomOut(void) { updateZoom(geoMap->zoomLevel() - 1); }
196
197void Map::updateZoom(qreal value) {
198  value =
199      qBound(manager->minimumZoomLevel(), value, manager->maximumZoomLevel());
200
201  geoMap->setZoomLevel(value);
202  zoomin->setEnabled(geoMap->zoomLevel() < manager->maximumZoomLevel());
203  zoomout->setEnabled(geoMap->zoomLevel() > manager->minimumZoomLevel());
204}
205
206void Map::findproxy(void) {
207  proxyCombo->addItem("none");
208  proxyCombo->addItem("new");
209  proxyCombo->addItem("proxyweb.utc.fr:3128");
210}
211
212void Map::changeproxy(int index) {
213  if (index == 0) {
214    QNetworkProxy proxy;
215    proxy.setType(QNetworkProxy::NoProxy);
216    QNetworkProxy::setApplicationProxy(proxy);
217  } else if (index == 1) {
218    bool ok;
219    QString text =
220        QInputDialog::getText(visible_widget, tr("New proxy:"), tr("proxy: "),
221                              QLineEdit::Normal, "adress:port", &ok);
222    if (ok == true) {
223      proxyCombo->addItem(text);
224      proxyCombo->setCurrentIndex(proxyCombo->count() - 1);
225    }
226  } else {
227    QStringList string = proxyCombo->itemText(index).split(":");
228    QNetworkProxy proxy;
229    proxy.setType(QNetworkProxy::HttpProxy);
230    proxy.setHostName(string.at(0));
231    proxy.setPort(string.at(1).toInt());
232    QNetworkProxy::setApplicationProxy(proxy);
233    updateZoom(geoMap->zoomLevel()); // refresh
234  }
235}
236
237void Map::SetUptodate(void) {
238  QList<Landmark *> *landmarks = mapWidget->Landmarks();
239  for (int i = 0; i < landmarks->count(); i++) {
240    RemoveAttribute("lat" + QString::number(i));
241    RemoveAttribute("long" + QString::number(i));
242
243    if (mapWidget->LandmarkToSend(i)) {
244      SetAttribute("lat" + QString::number(i),
245                   landmarks->at(i)->coordinate().latitude());
246      SetAttribute("long" + QString::number(i),
247                   landmarks->at(i)->coordinate().longitude());
248    }
249  }
250
251  mapWidget->SetUptodate();
252}
253
254bool Map::IsUptodate(void) { return mapWidget->IsUptodate(); }
255
256void Map::Reset(void) { mapWidget->Reset(); }
257
258void Map::setCenteredPoint(int i) {
259  centeredpoint = i;
260  if (isCentered())
261    geoMap->setCenter(points.at(i)->coordinate());
262}
263
264int Map::centeredPoint(void) { return centeredpoint; }
265
266bool Map::isCentered(void) {
267  if (centeredpoint != -1) {
268    return true;
269  } else {
270    return false;
271  }
272}
273
274void Map::XmlEvent(QDomElement *dom) {
275  if (dom->attribute("point") != "") {
276    receivesize += 3 * sizeof(double);
277    if (mapWidget->isEnabled()) {
278      Landmark *landmark = new Landmark(geoMap, QGeoCoordinate(0, 0, 0),
279                                        dom->attribute("point"), "cross");
280      landmark->setColor(Qt::black);
281      points.append(landmark);
282      mapWidget->AddPoint(dom->attribute("point"));
283    }
284  } else {
285    XmlSetup(dom);
286  }
287}
288
289void Map::BufEvent(char **buf, int *buf_size, uint16_t period,uint16_t nb_buffering,bool big_endian) {
290  if (IsEnabled() == false || RefreshRate_ms() != period || NbBuffering()!=nb_buffering) return;
291
292  for (int i = 0; i < points.count(); i++) {
293    qint64 lat_raw;
294    double *lat = (double *)&lat_raw;
295    qint64 longitude_raw;
296    double *longitude = (double *)&longitude_raw;
297    qint64 alt_raw;
298    double *alt = (double *)&alt_raw;
299
300    memcpy(&lat_raw, *buf, sizeof(qint64));
301    *buf += sizeof(qint64);
302    memcpy(&longitude_raw, *buf, sizeof(qint64));
303    *buf += sizeof(qint64);
304    memcpy(&alt_raw, *buf, sizeof(qint64));
305    *buf += sizeof(qint64);
306    if (big_endian == true)
307      lat_raw = qFromBigEndian(lat_raw);
308    if (big_endian == true)
309      longitude_raw = qFromBigEndian(longitude_raw);
310    if (big_endian == true)
311      alt_raw = qFromBigEndian(alt_raw);
312    points.at(i)->setCoordinate(QGeoCoordinate(*lat, *longitude, *alt));
313
314    if (i == centeredpoint)
315      geoMap->setCenter(points.at(i)->coordinate());
316  }
317}
318
319void Map::RemovePoints(void) {
320  for (int i = 0; i < points.count(); i++) {
321    points.at(i)->RemoveLandmark();
322  }
323}
324
325void Map::AddPoints(QGraphicsGeoMap *geoMap) {
326  for (int i = 0; i < points.count(); i++) {
327    points.at(i)->AddLandmark(geoMap);
328  }
329}
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