Support wrapX for attributions

src/ol/control/attributioncontrol.js

@@ -2,6 +2,7 @@
 
 goog.provide('ol.control.Attribution');
 
+goog.require('goog.asserts');
 goog.require('goog.dom');
 goog.require('goog.dom.TagName');
 goog.require('goog.dom.classlist');
@@ -12,6 +13,7 @@ goog.require('goog.style');
 goog.require('ol.Attribution');
 goog.require('ol.control.Control');
 goog.require('ol.css');
+goog.require('ol.source.Tile');
 
 
 
@@ -158,11 +160,14 @@ goog.inherits(ol.control.Attribution, ol.control.Control);
 ol.control.Attribution.prototype.getSourceAttributions = function(frameState) {
   var i, ii, j, jj, tileRanges, source, sourceAttribution,
       sourceAttributionKey, sourceAttributions, sourceKey;
+  var intersectsTileRange;
   var layerStatesArray = frameState.layerStatesArray;
   /** @type {Object.<string, ol.Attribution>} */
   var attributions = goog.object.clone(frameState.attributions);
   /** @type {Object.<string, ol.Attribution>} */
   var hiddenAttributions = {};
+  var projection = frameState.viewState.projection;
+  goog.asserts.assert(!goog.isNull(projection));
   for (i = 0, ii = layerStatesArray.length; i < ii; i++) {
     source = layerStatesArray[i].layer.getSource();
     if (goog.isNull(source)) {
@@ -180,14 +185,21 @@ ol.control.Attribution.prototype.getSourceAttributions = function(frameState) {
         continue;
       }
       tileRanges = frameState.usedTiles[sourceKey];
-      if (goog.isDef(tileRanges) &&
-          sourceAttribution.intersectsAnyTileRange(tileRanges)) {
+      if (goog.isDef(tileRanges)) {
+        goog.asserts.assertInstanceof(source, ol.source.Tile);
+        var tileGrid = source.getTileGridForProjection(projection);
+        goog.asserts.assert(!goog.isNull(tileGrid));
+        intersectsTileRange = sourceAttribution.intersectsAnyTileRange(
+            tileRanges, tileGrid, projection);
+      } else {
+        intersectsTileRange = false;
+      }
+      if (intersectsTileRange) {
         if (sourceAttributionKey in hiddenAttributions) {
           delete hiddenAttributions[sourceAttributionKey];
         }
         attributions[sourceAttributionKey] = sourceAttribution;
-      }
-      else {
+      } else {
         hiddenAttributions[sourceAttributionKey] = sourceAttribution;
       }
     }