/**
* @license
* Copyright 2015 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
goog.provide('shaka.util.FakeEvent');
goog.require('shaka.asserts');
/**
* @namespace shaka.util.FakeEvent
* @summary A utility to simplify the creation of fake events.
*/
/**
* Return an Event object based on the dictionary.
* The event should contain all of the same properties from the dict.
* @param {!Object} dict
* @return {!Event}
*/
shaka.util.FakeEvent.create = function(dict) {
var event = new CustomEvent(dict.type, {
detail: dict.detail,
bubbles: !!dict.bubbles
});
// NOTE: In strict mode, we can't overwrite existing properties, so we only
// set properties on "event" which don't exist yet. If a property does exist
// on "event", we assert that it has the correct value already.
for (var key in dict) {
if (key in event) {
shaka.asserts.assert(event[key] == dict[key], 'key = ' + key);
} else {
event[key] = dict[key];
}
}
return event;
};
/**
* Return an 'error' Event object based on an error object.
* @param {*} error
* @return {!Event}
*/
shaka.util.FakeEvent.createErrorEvent = function(error) {
shaka.asserts.assert(error != null);
var event = new CustomEvent('error', {
detail: error,
bubbles: true
});
return event;
};