WebAPI/DeviceIndexedDB: Difference between revisions

WebAPI/DeviceIndexedDB (view source)

569 bytes added , 15 July 2013

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 Since "[SystemServices]" database is implemented by the platform code, writing actions may be forbidden by the implementation according the security model of the data.
+=== Expose Network Statistic of Apps ==
+This is an example of exposing network statistics of Apps with DeviceIndexedDB.
+ var request = window.mozDeviceIndexedDB.open("[SystemServices]");
+ request.onsuccess = function () {
+   var db = request.result;
+   var tx = db.transaction("NetworkStatistics");
+   var store = tx.objectStore("NetworkStatistics");
+   var apps = store.index("apps");
+   var statisrequest = apps.get("some-app-id");
+   statisrequest.onsuccess = function () {
+     var statistic = statisrequest.result;
+     showStatisticForApp(statistic);
+   }
+ }