private void RemoveTile(TileId key)
{
TileSource tileSource = this.requests[key];
if (tileSource != null)
{
this.tileCacheSize -= tileSource.Size;
tileSource.Dispose();
}
this.requestList.Remove(key);
this.requests.Remove(key);
}
private void UpdateTileChache()
{
int tilesCounter;
lock (this.requestsSyncronizer)
{
tilesCounter = this.requestList.Count;
}
for (int i = 0;
i < MaxRemovedTiles &&
tilesCounter > this.MinTileNumber &&
this.tileCacheSize > this.MaxTileCacheSize;
i++)
{
lock (this.requestsSyncronizer)
{
TileId removed = this.requestList[0];
TileSource tileSource = this.requests[removed];
if (tileSource != null && !tileSource.IsUsed)
{
this.tileCacheSize -= tileSource.Size;
tileSource.Dispose();
this.requestList.RemoveAt(0);
this.requests.Remove(removed);
}
else
{
this.requestList.Remove(removed);
this.requestList.Add(removed);
break;
}
tilesCounter = this.requestList.Count;
}
}
}
