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Do not stop the render loop when all wanted tiles are aborted

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This commit is contained in:
Andreas Hocevar
2017-06-08 15:32:36 +02:00
parent dee3ebdc54
commit 1f51c14e7e
2 changed files with 25 additions and 2 deletions
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13
src/ol/tilequeue.js
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@@ -106,16 +106,25 @@ ol.TileQueue.prototype.handleTileChange = function(event) {
*/
ol.TileQueue.prototype.loadMoreTiles = function(maxTotalLoading, maxNewLoads) {
var newLoads = 0;
var tile, tileKey;
var abortedTiles = false;
var state, tile, tileKey;
while (this.tilesLoading_ < maxTotalLoading && newLoads < maxNewLoads &&
this.getCount() > 0) {
tile = /** @type {ol.Tile} */ (this.dequeue()[0]);
tileKey = tile.getKey();
if (tile.getState() === ol.TileState.IDLE && !(tileKey in this.tilesLoadingKeys_)) {
state = tile.getState();
if (state === ol.TileState.ABORT) {
abortedTiles = true;
} else if (state === ol.TileState.IDLE && !(tileKey in this.tilesLoadingKeys_)) {
this.tilesLoadingKeys_[tileKey] = true;
++this.tilesLoading_;
++newLoads;
tile.load();
}
}
if (newLoads === 0 && abortedTiles) {
// Do not stop the render loop when all wanted tiles were aborted due to
// a small, saturated tile cache.
this.tileChangeCallback_();
}
};