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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,103 @@ | ||
| /** | ||
| * Created by lundfall on 02/06/2017. | ||
| */ | ||
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| define(function (require, exports, module) { | ||
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| /** | ||
| * Singleton class optimized for high performance in DOM updates. All DOM updates that are done through this class will | ||
| * be cached and can be flushed at the same order the instructions came in. | ||
| * | ||
| * | ||
| * @type {{}} | ||
| */ | ||
| var DOMBuffer = {}; | ||
| var enqueuedOperations = []; | ||
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| DOMBuffer.assignProperty = function (object, property, value) { | ||
| enqueuedOperations.push({ data: [object, property, value], operation: 'assignProperty' }); | ||
| }; | ||
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| DOMBuffer.setAttribute = function (element, attribute, value) { | ||
| enqueuedOperations.push({ data: [element, attribute, value], operation: 'setAttribute' }); | ||
| }; | ||
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| DOMBuffer.addToObject = function (object, value) { | ||
| enqueuedOperations.push({ data: [object, value], operation: 'addToObject' }); | ||
| }; | ||
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| DOMBuffer.setAttributeOnDescendants = function (element, attribute, attributeValue) { | ||
| enqueuedOperations.push({ data: [element, attribute, attributeValue], operation: 'setAttributeOnDescendants' }); | ||
| }; | ||
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| DOMBuffer.removeFromObject = function (object, attribute) { | ||
| enqueuedOperations.push({ data: [object, attribute], operation: 'removeFromObject' }); | ||
| }; | ||
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| DOMBuffer.removeAttribute = function (element, attribute) { | ||
| enqueuedOperations.push({ data: [element, attribute], operation: 'removeAttribute' }); | ||
| }; | ||
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| DOMBuffer.removeChild = function (parent, childToRemove) { | ||
| enqueuedOperations.push({ data: [parent, childToRemove], operation: 'removeChild' }); | ||
| }; | ||
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| DOMBuffer.appendChild = function (parent, childToAppend) { | ||
| enqueuedOperations.push({ data: [parent, childToAppend], operation: 'appendChild' }); | ||
| }; | ||
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| DOMBuffer.insertBefore = function (parent, childBefore, childToInsert) { | ||
| enqueuedOperations.push({ data: [parent, childBefore, childToInsert], operation: 'insertBefore' }); | ||
| }; | ||
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| DOMBuffer.flushUpdates = function () { | ||
| for (var index = 0; index < enqueuedOperations.length; index++) { | ||
| var enqueuedOperation = enqueuedOperations[index]; | ||
| var operationName = enqueuedOperation.operation; | ||
| var data = enqueuedOperation.data; | ||
| switch (operationName) { | ||
| case 'appendChild': | ||
| data[0].appendChild(data[1]); | ||
| break; | ||
| case 'insertBefore': | ||
| data[0].insertBefore(data[1], data[2]); | ||
| break; | ||
| case 'setAttribute': | ||
| data[0].setAttribute(data[1], data[2]); | ||
| break; | ||
| case 'removeChild': | ||
| if (data[0].childNodes.length && data[0].contains(data[1])) { | ||
| data[0].removeChild(data[1]); | ||
| } | ||
| break; | ||
| case 'removeAttribute': | ||
| data[0].removeAttribute(data[1]); | ||
| break; | ||
| case 'addToObject': | ||
| data[0].add(data[1]); | ||
| break; | ||
| case 'removeFromObject': | ||
| data[0].remove(data[1]); | ||
| break; | ||
| case 'assignProperty': | ||
| data[0][data[1]] = data[2]; | ||
| break; | ||
| case 'setAttributeOnDescendants': | ||
| /* Gets all the descendants for element | ||
| * https://stackoverflow.com/questions/26325278/how-can-i-get-all-descendant-elements-for-parent-container | ||
| * */ | ||
| var descendants = data[0].querySelectorAll("*"); | ||
| for (var i = 0; i < descendants.length; i++) { | ||
| descendants[i].setAttribute(data[1], data[2]); | ||
| } | ||
| break; | ||
| } | ||
| } | ||
| enqueuedOperations = []; | ||
| }; | ||
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| module.exports = DOMBuffer; | ||
| }); | ||
|
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,69 @@ | ||
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| /** | ||
| * Created by lundfall on 01/06/2017. | ||
| */ | ||
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| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
| * | ||
| * Owner: [email protected] | ||
| * @license MPL 2.0 | ||
| * @copyright Famous Industries, Inc. 2015 | ||
| */ | ||
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| define(function (require, exports, module) { | ||
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| var DOMEventHandler = {}; | ||
| var EventEmitter = require('./EventEmitter.js'); | ||
| var DOMBuffer = require('./DOMBuffer'); | ||
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| //TODO Add more to complete list | ||
| var singleElementEvents = [ | ||
| 'submit', 'focus', 'blur', 'load', 'unload', 'change', 'reset', 'scroll' | ||
| ]; | ||
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| var initializedListeners = {}; | ||
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| DOMEventHandler.isNativeEvent = function(eventName) { | ||
| return typeof document.body["on" + eventName] !== "undefined" | ||
| || | ||
| /* Needed because otherwise not able to use mobile emulation in browser! */ | ||
| ['touchmove', 'touchstart', 'touchend'].includes(eventName); | ||
| }; | ||
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| DOMEventHandler.addEventListener = function(id, element, type, callback){ | ||
| if(!DOMEventHandler.isNativeEvent(type)){ | ||
| return; | ||
| } | ||
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| if(singleElementEvents.includes(type)){ | ||
| return element.addEventListener(type, callback); | ||
| } | ||
| DOMBuffer.setAttribute(element, 'data-arvaid', id); | ||
| var eventEmitter = initializedListeners[type]; | ||
| if(!eventEmitter){ | ||
| eventEmitter = initializedListeners[type] = new EventEmitter(); | ||
| window.addEventListener(type, function (event) { | ||
| var target = event.relatedTarget || event.target; | ||
| var recievedID = target && target.getAttribute && target.getAttribute('data-arvaid'); | ||
| if(recievedID){ | ||
| eventEmitter.emit(recievedID, event); | ||
| } | ||
| }); | ||
| } | ||
| eventEmitter.on(id, callback); | ||
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| }; | ||
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| DOMEventHandler.removeEventListener = function(element, id, type, callback) { | ||
| if(singleElementEvents.includes(type)){ | ||
| return element.addEventListener(type, callback); | ||
| } | ||
| if(initializedListeners[type]){ | ||
| initializedListeners[type].removeListener(id, callback); | ||
| } | ||
| }; | ||
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| module.exports = DOMEventHandler; | ||
| }); |
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