Added initial map support

src/map.cpp

@@ -0,0 +1,54 @@
+#include <QFileInfo>
+#include <QDir>
+#include "downloader.h"
+#include "ll.h"
+#include "map.h"
+
+#include <QDebug>
+
+#define TILES_DIR "tiles"
+
+Map::Map(const QString &name, const QString &url)
+{
+	_name = name;
+	_url = url;
+
+	connect(&Downloader::instance(), SIGNAL(finished()), this,
+	  SLOT(emitLoaded()));
+
+	QDir::home().mkpath(QString(TILES_DIR"/%1").arg(_name));
+}
+
+void Map::emitLoaded()
+{
+	emit loaded();
+}
+
+void Map::loadTiles(QList<Tile> &list)
+{
+	QList<Download> dl;
+
+	for (int i = 0; i < list.size(); ++i) {
+		Tile &t = list[i];
+		QString file = QString("%1/"TILES_DIR"/%2/%3-%4-%5.png")
+		  .arg(QDir::homePath()).arg(_name).arg(t.zoom()).arg(t.xy().rx())
+		  .arg(t.xy().ry());
+		QFileInfo fi(file);
+
+		if (fi.exists())
+			t.pixmap().load(file);
+		else {
+			t.pixmap() = QPixmap(TILE_SIZE, TILE_SIZE);
+			t.pixmap().fill();
+
+			QString url(_url);
+			url.replace("$z", QString::number(t.zoom()));
+			url.replace("$x", QString::number(t.xy().x()));
+			url.replace("$y", QString::number(t.xy().y()));
+			dl.append(Download(url, file));
+		}
+	}
+
+	if (!dl.empty())
+		Downloader::instance().get(dl);
+}