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Fix a bug when frameState is null which occurs in offline mobile devices

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This commit is contained in:
Paul Spencer
2013-10-16 08:59:35 -04:00
parent 63c9aed620
commit 3173ddbb5f
1 changed files with 2 additions and 1 deletions
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src/ol/map.js
+2 -1
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@@ -733,14 +733,15 @@ ol.Map.prototype.handlePostRender = function() {
if (!tileQueue.isEmpty()) { if (!tileQueue.isEmpty()) {
var maxTotalLoading = 16; var maxTotalLoading = 16;
var maxNewLoads = maxTotalLoading; var maxNewLoads = maxTotalLoading;
var tileSourceCount = 0;
if (!goog.isNull(frameState)) { if (!goog.isNull(frameState)) {
var hints = frameState.viewHints; var hints = frameState.viewHints;
if (hints[ol.ViewHint.ANIMATING] || hints[ol.ViewHint.INTERACTING]) { if (hints[ol.ViewHint.ANIMATING] || hints[ol.ViewHint.INTERACTING]) {
maxTotalLoading = 8; maxTotalLoading = 8;
maxNewLoads = 2; maxNewLoads = 2;
} }
tileSourceCount = goog.object.getCount(frameState.wantedTiles);
} }
var tileSourceCount = goog.object.getCount(frameState.wantedTiles);
maxTotalLoading *= tileSourceCount; maxTotalLoading *= tileSourceCount;
maxNewLoads *= tileSourceCount; maxNewLoads *= tileSourceCount;
if (tileQueue.getTilesLoading() < maxTotalLoading) { if (tileQueue.getTilesLoading() < maxTotalLoading) {