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53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = [
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"ContentPref",
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"cbHandleResult",
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"cbHandleError",
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"cbHandleCompletion",
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"safeCallback",
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];
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const { interfaces: Ci, classes: Cc, results: Cr, utils: Cu } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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function ContentPref(domain, name, value) {
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this.domain = domain;
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this.name = name;
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this.value = value;
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}
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ContentPref.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPref]),
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};
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function cbHandleResult(callback, pref) {
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safeCallback(callback, "handleResult", [pref]);
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}
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function cbHandleCompletion(callback, reason) {
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safeCallback(callback, "handleCompletion", [reason]);
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}
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function cbHandleError(callback, nsresult) {
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safeCallback(callback, "handleError", [nsresult]);
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}
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function safeCallback(callbackObj, methodName, args) {
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if (!callbackObj || typeof(callbackObj[methodName]) != "function")
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return;
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try {
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callbackObj[methodName].apply(callbackObj, args);
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}
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catch (err) {
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Cu.reportError(err);
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}
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}
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