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Assert that loadMoreTiles is only called when more tiles will be loaded

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Tom Payne
2013-04-08 12:12:25 +02:00
parent 60a913aef3
commit 6f49cb8abe
1 changed files with 9 additions and 9 deletions
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18
src/ol/tilequeue.js
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@@ -1,6 +1,7 @@
goog.provide('ol.TilePriorityFunction'); goog.provide('ol.TilePriorityFunction');
goog.provide('ol.TileQueue'); goog.provide('ol.TileQueue');
goog.require('goog.asserts');
goog.require('goog.events'); goog.require('goog.events');
goog.require('goog.events.EventType'); goog.require('goog.events.EventType');
goog.require('ol.Coordinate'); goog.require('ol.Coordinate');
@@ -82,14 +83,13 @@ ol.TileQueue.prototype.handleTileChange = function() {
ol.TileQueue.prototype.loadMoreTiles = function(maxTotalLoading, maxNewLoads) { ol.TileQueue.prototype.loadMoreTiles = function(maxTotalLoading, maxNewLoads) {
var newLoads = Math.min( var newLoads = Math.min(
maxTotalLoading - this.getTilesLoading(), maxNewLoads, this.getCount()); maxTotalLoading - this.getTilesLoading(), maxNewLoads, this.getCount());
if (newLoads > 0) { goog.asserts.assert(newLoads > 0);
var i, tile; var i, tile;
for (i = 0; i < newLoads; ++i) { for (i = 0; i < newLoads; ++i) {
tile = /** @type {ol.Tile} */ (this.dequeue()[0]); tile = /** @type {ol.Tile} */ (this.dequeue()[0]);
goog.events.listenOnce(tile, goog.events.EventType.CHANGE, goog.events.listenOnce(tile, goog.events.EventType.CHANGE,
this.handleTileChange, false, this); this.handleTileChange, false, this);
tile.load(); tile.load();
}
this.tilesLoading_ += newLoads;
} }
this.tilesLoading_ += newLoads;
}; };