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Merge pull request #863 from ahocevar/uncache

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Uncache images that are no longer valid. r=@bartvde
This commit is contained in:
ahocevar
2013-02-01 06:01:40 -08:00
parent 69061d3f3d 378a0e97b5
commit 47e7c300a8
1 changed files with 9 additions and 2 deletions
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11
lib/OpenLayers/TileManager.js
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@@ -315,9 +315,16 @@ OpenLayers.TileManager = OpenLayers.Class({
var tile = evt.object;
var queued = false;
var layer = tile.layer;
var url = layer.getURL(tile.bounds);
var img = this.tileCache[url];
if (img && img.className !== 'olTileImage') {
// cached image no longer valid, e.g. because we're olTileReplacing
delete this.tileCache[url];
OpenLayers.Util.removeItem(this.tileCacheIndex, url);
img = null;
}
// queue only if image with same url not cached already
if (layer.url && (layer.async ||
!this.tileCache[layer.getURL(tile.bounds)])) {
if (layer.url && (layer.async || !img)) {
// add to queue only if not in queue already
var tileQueue = this.tileQueue[layer.map.id];
if (!~OpenLayers.Util.indexOf(tileQueue, tile)) {