1 files changed, 62 insertions, 0 deletions
diff --git a/src/imports/location/tileprovider.cpp b/src/imports/location/tileprovider.cpp
new file mode 100644
index 00000000..03552d6f
--- /dev/null
+++ b/src/imports/location/tileprovider.cpp
@@ -0,0 +1,62 @@
+#include "tileprovider.h"
+
+#include "tile.h"
+#include "tilespec.h"
+
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <QUrl>
+#include <QPixmap>
+
+TileProvider::TileProvider(QObject *parent)
+    : QObject(parent)
+{
+    nam_ = new QNetworkAccessManager(this);
+    connect(nam_,
+            SIGNAL(finished(QNetworkReply*)),
+            this,
+            SLOT(finished(QNetworkReply*)));
+}
+
+void TileProvider::tileRequest(const TileSpec &spec)
+{
+    QString url = "http://tile.openstreetmap.org/";
+    url += QString::number(spec.zoom());
+    url += "/";
+    url += QString::number(spec.x());
+    url += "/";
+    url += QString::number(spec.y());
+    url += ".png";
+
+    QNetworkRequest request = QNetworkRequest(QUrl(url));
+    QNetworkReply *reply = nam_->get(request);
+
+    map_.insert(reply, spec);
+}
+
+void TileProvider::finished(QNetworkReply *reply)
+{
+    if (!map_.contains(reply)) {
+        reply->deleteLater();
+        return;
+    }
+
+    TileSpec spec = map_.value(reply);
+
+    if (reply->error() == QNetworkReply::NoError) {
+        QByteArray bytes = reply->readAll();
+
+        QPixmap pixmap;
+        bool result = pixmap.loadFromData(bytes, "png");
+
+        if (result) {
+            Tile tile(spec, pixmap);
+            emit tileReady(tile);
+        }
+    } else {
+        emit tileError(spec);
+    }
+
+    reply->deleteLater();
+}