from tilefetcher_download import TileFetcher_Download

class TileFetcher_GoogleMaps(TileFetcher_Download):
    googleservers = ["mt0.google.com", "mt1.google.com", "mt2.google.com", "mt3.google.com"]
    def _init(self, queuesize = 32):
        TileFetcher_Download._init(self, self.googleservers, queuesize)
    
    def has_tile(self, coords):
        if coords.x < 0 or coords.y < 0:
            return False
        
        if coords.zoom < 0 or coords.zoom > 17:
            return False
        
        divs = 2 ** coords.zoom
        if coords.x >= divs or coords.y >= divs:
            return False
        
        return True
    
    def get_path(self, coords):
        return "/mt?x=%d&y=%d&zoom=%d" % (coords.x, coords.y, 17 - coords.zoom)


if __name__ == "__main__":
    import time
    from tilemanager import TileCoord, TileManager
    tm = TileManager()
    tm.fetchers.append(TileFetcher_GoogleMaps(tm))
    
    image = None
    while not image:
        image = tm.get_tile(TileCoord(0,0,1))
        print image
        time.sleep(0.1)