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Fix some content prefs issues.

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This commit is contained in:
Kris Maglione
2014-03-29 12:24:10 -07:00
parent e7549b249b
commit a46a6c5614
1 changed files with 14 additions and 6 deletions
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20
common/modules/buffer.jsm
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@@ -83,18 +83,26 @@ var Buffer = Module("Buffer", {
* Returns a promise for the given preference name.
*
* @param {string} pref The name of the preference to return.
* @returns {Promise<string>}
* @returns {Promise<*>}
*/
get: promises.withCallbacks(function get([resolve, reject], pref) {
let pref = services.contentPrefs.getCachedByDomainAndName(
let val = services.contentPrefs.getCachedByDomainAndName(
self.uri.spec, pref, self.loadContext);
if (pref)
resolve(pref.value);
let found = false;
if (val)
resolve(val.value);
else
services.contentPrefs.getByDomainAndName(
self.uri.spec, pref, self.loadContext,
{ handleCompletion: () => {},
handleResult: resolve,
{ handleCompletion: () => {
if (!found)
resolve(undefined);
},
handleResult: (pref) => {
found = true;
resolve(pref.value);
},
handleError: reject });
}),