www/ProgressEvent.js

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *
*/

// If ProgressEvent exists in global context, use it already, otherwise use our own polyfill
// Feature test: See if we can instantiate a native ProgressEvent;
// if so, use that approach,
// otherwise fill-in with our own implementation.
//
// NOTE: right now we always fill in with our own. Down the road would be nice if we can use whatever is native in the webview.
var ProgressEvent = (function () {
    /*
    var createEvent = function(data) {
        var event = document.createEvent('Events');
        event.initEvent('ProgressEvent', false, false);
        if (data) {
            for (var i in data) {
                if (data.hasOwnProperty(i)) {
                    event[i] = data[i];
                }
            }
            if (data.target) {
                // TODO: cannot call <some_custom_object>.dispatchEvent
                // need to first figure out how to implement EventTarget
            }
        }
        return event;
    };
    try {
        var ev = createEvent({type:"abort",target:document});
        return function ProgressEvent(type, data) {
            data.type = type;
            return createEvent(data);
        };
    } catch(e){
    */
    return function ProgressEvent (type, dict) {
        this.type = type;
        this.bubbles = false;
        this.cancelBubble = false;
        this.cancelable = false;
        this.lengthComputable = false;
        this.loaded = dict && dict.loaded ? dict.loaded : 0;
        this.total = dict && dict.total ? dict.total : 0;
        this.target = dict && dict.target ? dict.target : null;
    };
    // }
})();

module.exports = ProgressEvent;