// <summary>
// A method called when the job is done, successfully or not.
// </summary>
public void JobTerminationEvent(object job, JobEventArgs e)
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: Tile download complete, but was it murdered? " + e.WasKilled);
#endif
TileEntry entry = e.Owner as TileEntry;
tilesLoading.Remove(entry);
#if !UNITY_WEBPLAYER
if (e.WasKilled == false)
{
if (entry.error && entry.cached)
{
if (entry.cached)
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: loading cached tile failed, trying to download it: " + entry.url);
#endif
// try downloading the tile again
entry.cached = false;
cacheSize -= entry.size;
tiles.Remove(entry);
}
else
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: downloading tile failed, trying to download it again: " + entry.url);
#endif
}
Get(entry.url, entry.tile);
return ;
}
tileURLLookedFor = entry.url;
TileEntry existingEntry = tiles.Find(tileURLMatchPredicate);
if (existingEntry != null)
{
tiles.Remove(existingEntry);
cacheSize -= existingEntry.size;
}
entry.timestamp = (DateTime.Now.ToLocalTime() - new DateTime(1970, 1, 1).ToLocalTime()).TotalSeconds;
tiles.Add(entry);
cacheSize += entry.size;
// if the cache is full, erase the oldest entry
// FIXME: find a better way to handle the cache (cf. iPhone Maps app)
// FIXME: one aspect might be to erase tiles in batch, 10 or 20 at a time, a significant number anyway
if (cacheSize > MaxCacheSize)
{
// beware the year 3000 bug :)
double oldestTimestamp = (new DateTime(3000, 1, 1) - new DateTime(1970, 1, 1).ToLocalTime()).TotalSeconds;
TileEntry entryToErase = null;
foreach (TileEntry tile in tiles)
{
if (tile.timestamp < oldestTimestamp
&& tile != entry)
{
oldestTimestamp = tile.timestamp;
entryToErase = tile;
}
}
if (entryToErase == null)
{
#if DEBUG_LOG
Debug.LogWarning("WARNING: TileDownloader.JobTerminationEvent: no cache entry to erase (should not happen)");
#endif
return ;
}
DeleteCachedTile(entryToErase);
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: erased from cache: " + entryToErase.url + " [" + entryToErase.guid + "]");
#endif
}
}
#endif
}
// <summary>
// A method called when the job is done, successfully or not.
// </summary>
public void JobTerminationEvent(object job, JobEventArgs e)
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: Tile download complete, but was it murdered? " + e.WasKilled);
#endif
TileEntry entry = e.Owner as TileEntry;
tilesLoading.Remove(entry);
#if !UNITY_WEBPLAYER
if (e.WasKilled == false)
{
if (entry.error && entry.cached)
{
if (entry.cached)
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: loading cached tile failed, trying to download it: " + entry.url);
#endif
// try downloading the tile again
entry.cached = false;
cacheSize -= entry.size;
tiles.Remove(entry);
}
else
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: downloading tile failed, trying to download it again: " + entry.url);
#endif
}
Get(entry.url, entry.tile);
return;
}
tileURLLookedFor = entry.url;
TileEntry existingEntry = tiles.Find(tileURLMatchPredicate);
if (existingEntry != null)
{
tiles.Remove(existingEntry);
cacheSize -= existingEntry.size;
}
entry.timestamp = (DateTime.Now.ToLocalTime() - new DateTime(1970, 1, 1).ToLocalTime()).TotalSeconds;
tiles.Add(entry);
cacheSize += entry.size;
// if the cache is full, erase the oldest entry
// FIXME: find a better way to handle the cache (cf. iPhone Maps app)
// FIXME: one aspect might be to erase tiles in batch, 10 or 20 at a time, a significant number anyway
if (cacheSize > MaxCacheSize)
{
// beware the year 3000 bug :)
double oldestTimestamp = (new DateTime(3000, 1, 1) - new DateTime(1970, 1, 1).ToLocalTime()).TotalSeconds;
TileEntry entryToErase = null;
foreach (TileEntry tile in tiles)
{
if (tile.timestamp < oldestTimestamp &&
tile != entry)
{
oldestTimestamp = tile.timestamp;
entryToErase = tile;
}
}
if (entryToErase == null)
{
#if DEBUG_LOG
Debug.LogWarning("WARNING: TileDownloader.JobTerminationEvent: no cache entry to erase (should not happen)");
#endif
return;
}
DeleteCachedTile(entryToErase);
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.JobTerminationEvent: erased from cache: " + entryToErase.url + " [" + entryToErase.guid + "]");
#endif
}
}
#endif
}
