How to use QtWebkit with geolocation? - c++

Question

It is possible to use geolocation in Desktop applications with QWebView?
I tried Qt WebKit and HTML5 geolocation, but not work.
I tried it's the qt5 position api support for desktop app(like mac or windows), but the answer is on the QT APIs, I believe it is possible to customize the "event" in some way, as is done using qwebkitplatformplugin to customize some features of qtwebkit (MultipleSelections, Notifications, Haptics, TouchInteraction, FullScreenVideoPlayer and SpellChecker).
I tried set PermissionGrantedByUser, but not work:
void WebPage::permissionRequested(QWebFrame* frame, Feature feature)
{
switch (feature) {
case Geolocation:
qDebug() << "GEO-Location: PermissionGrantedByUser";
setFeaturePermission(frame, feature, PermissionGrantedByUser);
break;
default:
qDebug() << "";
}
}
I tried add this QT += positioning, but not work
I tried add this TARGET.CAPABILITY += NetworkServices Location, but not work, I believe this is for smartphones, like Symbian.
Event displayLocation and watchPosition are never fired and using {timeout: ...} it shows the message Timeout expired:
<script>
function displayError(err) {
document.getElementById("geo").innerHTML = ("Error Code: " + err.code +
" / msg: " + err.message);
}
function displayLocation(position) {
document.getElementById("geo").innerHTML = [
"latitude:" + position.coords.latitude,
"longitude:" + position.coords.longitude
].join(", ");
}
function getMyLocation() {
if (navigator.geolocation) {
navigator.geolocation.watchPosition(function(a, b, c) {
console.log(a, b, c);
document.getElementById("geo").innerHTML = "Testando...";
});
navigator.geolocation.getCurrentPosition(displayLocation, displayError, {
enableHighAccuracy: false,
timeout: 10000,
maximumAge: 0
});
} else {
document.getElementById("geo").innerHTML = "No geolocation support";
}
}
window.onload = function() {
getMyLocation();
};
</script>
<div id="geo"></div>
I believe that I have to build a library and put in the qtDir/compiler/plugins/position folder, but do not know where to start.
How can I do this?
Or is it possible to customize the event and send coordinates of a 3rdparty lib (I'm not asking for a library and I'm not asking for alternatives in javascript) in response to the navigator.geolocation.getCurrentPosition?
Extra info about
If use QT_DEBUG_PLUGINS=1 in debug mode Application Output return this (note that the first line is generated by WebPage::permissionRequested):
GEO-Location: PermissionGrantedByUser
QFactoryLoader::QFactoryLoader() checking directory path "C:/Qt5.4.0/5.4/mingw491_32/plugins/position" ...
QFactoryLoader::QFactoryLoader() looking at "C:/Qt5.4.0/5.4/mingw491_32/plugins/position/qtposition_positionpoll.dll"
Found metadata in lib C:/Qt5.4.0/5.4/mingw491_32/plugins/position/qtposition_positionpoll.dll, metadata=
{
"IID": "org.qt-project.qt.position.sourcefactory/5.0",
"MetaData": {
"Keys": [
"positionpoll"
],
"Monitor": true,
"Position": false,
"Priority": 1000,
"Provider": "positionpoll",
"Satellite": false
},
"className": "QGeoPositionInfoSourceFactoryPoll",
"debug": false,
"version": 328704
}
"The plugin 'C:/Qt5.4.0/5.4/mingw491_32/plugins/position/qtposition_positionpoll.dll' uses incompatible Qt library. (Cannot mix debug and release libraries.)"
not a plugin
QFactoryLoader::QFactoryLoader() looking at "C:/Qt5.4.0/5.4/mingw491_32/plugins/position/qtposition_positionpolld.dll"
Found metadata in lib C:/Qt5.4.0/5.4/mingw491_32/plugins/position/qtposition_positionpolld.dll, metadata=
{
"IID": "org.qt-project.qt.position.sourcefactory/5.0",
"MetaData": {
"Keys": [
"positionpoll"
],
"Monitor": true,
"Position": false,
"Priority": 1000,
"Provider": "positionpoll",
"Satellite": false
},
"className": "QGeoPositionInfoSourceFactoryPoll",
"debug": true,
"version": 328704
}
Got keys from plugin meta data ("positionpoll")
QFactoryLoader::QFactoryLoader() checking directory path "C:/projects/webview-example/debug/position" ...