48 lines
1.6 KiB
48 lines
1.6 KiB
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* Copyright 2013 Mozilla Foundation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/* globals chrome */ |
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'use strict'; |
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var ChromeCom = (function ChromeComClosure() { |
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return { |
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/** |
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* Creates an event that the extension is listening for and will |
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* asynchronously respond by calling the callback. |
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* @param {String} action The action to trigger. |
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* @param {String} data Optional data to send. |
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* @param {Function} callback Optional response callback that will be called |
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* with one data argument. When the request cannot be handled, the callback |
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* is immediately invoked with no arguments. |
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*/ |
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request: function(action, data, callback) { |
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var message = { |
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action: action, |
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data: data |
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}; |
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if (!chrome.runtime) { |
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console.error('chrome.runtime is undefined.'); |
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if (callback) { |
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callback(); |
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} |
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} else if (callback) { |
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chrome.runtime.sendMessage(message, callback); |
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} else { |
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chrome.runtime.sendMessage(message); |
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} |
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} |
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}; |
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})();
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