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Merge pull request #388 from tschaub/offline

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Make cache writing work when cross-origin.
This commit is contained in:
Tim Schaub
2012-04-04 17:49:24 -07:00
parent 5c597de900 2582e762b7
commit 0554637c56
1 changed files with 4 additions and 2 deletions
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6
lib/OpenLayers/Control/CacheWrite.js
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@@ -173,11 +173,13 @@ OpenLayers.Control.CacheWrite = OpenLayers.Class(OpenLayers.Control, {
try {
var canvasContext = tile.getCanvasContext();
if (canvasContext) {
var urlMap = OpenLayers.Control.CacheWrite.urlMap;
var url = urlMap[tile.url] || tile.url;
window.localStorage.setItem(
"olCache_" + OpenLayers.Control.CacheWrite.urlMap[tile.url],
"olCache_" + url,
canvasContext.canvas.toDataURL(this.imageFormat)
);
delete OpenLayers.Control.CacheWrite.urlMap[tile.url];
delete urlMap[tile.url];
}
} catch(e) {
// local storage full or CORS violation