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Refactor ol.TileQueue to extend ol.structs.PriorityQueue

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This commit is contained in:
Tom Payne
2013-03-25 21:25:20 +01:00
parent f12f5ccc67
commit 27f9e83780
4 changed files with 42 additions and 220 deletions
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5
src/ol/map.js
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@@ -55,6 +55,7 @@ goog.require('ol.renderer.dom.Map');
goog.require('ol.renderer.dom.SUPPORTED');
goog.require('ol.renderer.webgl.Map');
goog.require('ol.renderer.webgl.SUPPORTED');
goog.require('ol.structs.PriorityQueue');
/**
@@ -493,11 +494,11 @@ ol.Map.prototype.getTilePriority =
// are outside the visible extent.
var frameState = this.frameState_;
if (goog.isNull(frameState) || !(tileSourceKey in frameState.wantedTiles)) {
return ol.TileQueue.DROP;
return ol.structs.PriorityQueue.DROP;
}
var coordKey = tile.tileCoord.toString();
if (!frameState.wantedTiles[tileSourceKey][coordKey]) {
return ol.TileQueue.DROP;
return ol.structs.PriorityQueue.DROP;
}
// Prioritize tiles closest to the focus or center. The + 1 helps to
// prioritize tiles at higher zoom levels over tiles at lower zoom levels,