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Use stricter types in private methods, operate on array directly

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Tom Payne
2013-01-19 15:44:58 +01:00
parent 6507e71dd7
commit d43abba154
1 changed files with 5 additions and 9 deletions
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14
src/ol/tilequeue.js
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@@ -1,7 +1,6 @@
goog.provide('ol.TilePriorityFunction'); goog.provide('ol.TilePriorityFunction');
goog.provide('ol.TileQueue'); goog.provide('ol.TileQueue');
goog.require('goog.array');
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');
@@ -77,7 +76,7 @@ ol.TileQueue.DROP = Infinity;
* FIXME empty description for jsdoc * FIXME empty description for jsdoc
*/ */
ol.TileQueue.prototype.clear = function() { ol.TileQueue.prototype.clear = function() {
goog.array.clear(this.heap_); this.heap_.length = 0;
this.queuedTileKeys_ = {}; this.queuedTileKeys_ = {};
}; };
@@ -85,17 +84,14 @@ ol.TileQueue.prototype.clear = function() {
/** /**
* Remove and return the highest-priority tile. O(logn). * Remove and return the highest-priority tile. O(logn).
* @private * @private
* @return {ol.Tile|undefined} Tile. * @return {ol.Tile} Tile.
*/ */
ol.TileQueue.prototype.dequeue_ = function() { ol.TileQueue.prototype.dequeue_ = function() {
var heap = this.heap_; var heap = this.heap_;
var count = heap.length; goog.asserts.assert(heap.length > 0);
if (count <= 0) {
return undefined;
}
var tile = /** @type {ol.Tile} */ (heap[0][1]); var tile = /** @type {ol.Tile} */ (heap[0][1]);
if (count == 1) { if (heap.length == 1) {
goog.array.clear(heap); heap.length = 0;
} else { } else {
heap[0] = heap.pop(); heap[0] = heap.pop();
this.siftUp_(0); this.siftUp_(0);