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| 'use strict';
;require.register("utils/updater", function (exports, require, module) {
/**
* 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.
*/
var App = require('app');
var states = {};
function update(obj, name, isWorking, interval, urlPattern) {
if (typeof isWorking == 'string' && !obj.get(isWorking)) {
return false;
}
var state = states[name];
if (!state) {
var callback = function callback() {
update(obj, name, isWorking, interval, urlPattern);
};
states[name] = state = {
timeout: null,
func: function func() {
var urlRegExp = new RegExp(urlPattern);
Iif (typeof isWorking == 'string' && !obj.get(isWorking)) {
return false;
}
if (urlRegExp.test(App.router.get('location.lastSetURL'))) {
obj[name](callback);
} else {
callback();
}
return true;
},
interval: interval,
callback: callback
};
}
clearTimeout(state.timeout);
state.timeout = setTimeout(state.func, state.interval);
return true;
}
function rerun(name) {
var state = states[name];
Eif (state) {
clearTimeout(state.timeout);
state.func();
}
}
App.updater = {
/**
* Run function periodically with <code>App.contentUpdateInterval</code> delay.
* Example 1(wrong way, will not be working):
* var obj = {
* method: function(callback){
* //do something
* }
* };
* App.updater.run(obj, 'method');
*
* Will be called only once, because <code>callback</code> will never execute. Below is right way:
*
* Example 2:
* var obj = {
* method: function(callback){
* //do something
* callback();
* }
* };
* App.updater.run(obj, 'method');
*
* Method will always be called.
*
* Example 3:
* var obj = {
* method: function(callback){
* //do something
* callback();
* },
* isWorking: true
* };
* App.updater.run(obj, 'method', 'isWorking');
*
* <code>obj.method</code> will be called automatically.
* Warning: You should call <code>callback</code> parameter when function finished iteration.
* Otherwise nothing happened next time.
* If <code>isWorking</code> provided, library will check <code>obj.isWorking</code> before iteration and
* stop working when it equals to false. Otherwise method will always be called.
*
*
*
* @param obj Object
* @param name Method name
* @param isWorking Property, which will be checked as a rule for working
* @param interval Interval between calls
* @param urlPattern Pattern to match allowed urls
* @param [interval] Interval between calls
* @return {*}
*/
run: function run(obj, name, isWorking, interval, urlPattern) {
interval = interval || App.contentUpdateInterval;
return update(obj, name, isWorking, interval, urlPattern);
},
/**
* Immediate run function, which is periodically running using <code>run</code> method
* Example:
* App.updater.run(obj, 'clickIt');
* App.updater.immediateRun('clickIt');
*
* <code>clickIt</code> will be executed immediately and proceed executing periodically
*
* @param name Method name, which was used as a parameter in <code>run</code> method
* @return {*}
*/
immediateRun: function immediateRun(name) {
return rerun(name);
},
/**
* Update interval for state by its name.
*
* @param name - state name
* @param value - new interval value
**/
updateInterval: function updateInterval(name, value) {
if (!states[name]) return;
states[name].interval = value;
}
};
}); |