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Fire change event every time state changes

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This commit is contained in:
Tim Schaub
2015-02-17 11:09:16 -07:00
parent eb1a46cf7d
commit bf35b40b11
2 changed files with 12 additions and 4 deletions
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15
src/ol/tilequeue.js
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@@ -4,6 +4,7 @@ goog.provide('ol.TileQueue');
goog.require('goog.events');
goog.require('goog.events.EventType');
goog.require('ol.Coordinate');
goog.require('ol.TileState');
goog.require('ol.structs.PriorityQueue');
@@ -67,11 +68,17 @@ ol.TileQueue.prototype.getTilesLoading = function() {
/**
* @param {goog.events.Event} event Event.
* @protected
*/
ol.TileQueue.prototype.handleTileChange = function() {
--this.tilesLoading_;
this.tileChangeCallback_();
ol.TileQueue.prototype.handleTileChange = function(event) {
var tile = /** @type {ol.Tile} */ (event.target);
var state = tile.getState();
if (state === ol.TileState.LOADED || state === ol.TileState.ERROR ||
state === ol.TileState.EMPTY) {
--this.tilesLoading_;
this.tileChangeCallback_();
}
};
@@ -85,7 +92,7 @@ ol.TileQueue.prototype.loadMoreTiles = function(maxTotalLoading, maxNewLoads) {
var i, tile;
for (i = 0; i < newLoads; ++i) {
tile = /** @type {ol.Tile} */ (this.dequeue()[0]);
goog.events.listenOnce(tile, goog.events.EventType.CHANGE,
goog.events.listen(tile, goog.events.EventType.CHANGE,
this.handleTileChange, false, this);
tile.load();
}