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diff --git a/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/vanillajs/js/view.js b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/vanillajs/js/view.js
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+++ b/third_party/webkit/PerformanceTests/Speedometer/resources/todomvc/vanilla-examples/vanillajs/js/view.js
@@ -0,0 +1,219 @@
+/*global qs, qsa, $on, $parent, $delegate */
+
+(function (window) {
+ 'use strict';
+
+ /**
+ * View that abstracts away the browser's DOM completely.
+ * It has two simple entry points:
+ *
+ * - bind(eventName, handler)
+ * Takes a todo application event and registers the handler
+ * - render(command, parameterObject)
+ * Renders the given command with the options
+ */
+ function View(template) {
+ this.template = template;
+
+ this.ENTER_KEY = 13;
+ this.ESCAPE_KEY = 27;
+
+ this.$todoList = qs('.todo-list');
+ this.$todoItemCounter = qs('.todo-count');
+ this.$clearCompleted = qs('.clear-completed');
+ this.$main = qs('.main');
+ this.$footer = qs('.footer');
+ this.$toggleAll = qs('.toggle-all');
+ this.$newTodo = qs('.new-todo');
+ }
+
+ View.prototype._removeItem = function (id) {
+ var elem = qs('[data-id="' + id + '"]');
+
+ if (elem) {
+ this.$todoList.removeChild(elem);
+ }
+ };
+
+ View.prototype._clearCompletedButton = function (completedCount, visible) {
+ this.$clearCompleted.innerHTML = this.template.clearCompletedButton(completedCount);
+ this.$clearCompleted.style.display = visible ? 'block' : 'none';
+ };
+
+ View.prototype._setFilter = function (currentPage) {
+ qs('.filters .selected').className = '';
+ qs('.filters [href="#/' + currentPage + '"]').className = 'selected';
+ };
+
+ View.prototype._elementComplete = function (id, completed) {
+ var listItem = qs('[data-id="' + id + '"]');
+
+ if (!listItem) {
+ return;
+ }
+
+ listItem.className = completed ? 'completed' : '';
+
+ // In case it was toggled from an event and not by clicking the checkbox
+ qs('input', listItem).checked = completed;
+ };
+
+ View.prototype._editItem = function (id, title) {
+ var listItem = qs('[data-id="' + id + '"]');
+
+ if (!listItem) {
+ return;
+ }
+
+ listItem.className = listItem.className + ' editing';
+
+ var input = document.createElement('input');
+ input.className = 'edit';
+
+ listItem.appendChild(input);
+ input.focus();
+ input.value = title;
+ };
+
+ View.prototype._editItemDone = function (id, title) {
+ var listItem = qs('[data-id="' + id + '"]');
+
+ if (!listItem) {
+ return;
+ }
+
+ var input = qs('input.edit', listItem);
+ listItem.removeChild(input);
+
+ listItem.className = listItem.className.replace('editing', '');
+
+ qsa('label', listItem).forEach(function (label) {
+ label.textContent = title;
+ });
+ };
+
+ View.prototype.render = function (viewCmd, parameter) {
+ var self = this;
+ var viewCommands = {
+ showEntries: function () {
+ self.$todoList.innerHTML = self.template.show(parameter);
+ },
+ removeItem: function () {
+ self._removeItem(parameter);
+ },
+ updateElementCount: function () {
+ self.$todoItemCounter.innerHTML = self.template.itemCounter(parameter);
+ },
+ clearCompletedButton: function () {
+ self._clearCompletedButton(parameter.completed, parameter.visible);
+ },
+ contentBlockVisibility: function () {
+ self.$main.style.display = self.$footer.style.display = parameter.visible ? 'block' : 'none';
+ },
+ toggleAll: function () {
+ self.$toggleAll.checked = parameter.checked;
+ },
+ setFilter: function () {
+ self._setFilter(parameter);
+ },
+ clearNewTodo: function () {
+ self.$newTodo.value = '';
+ },
+ elementComplete: function () {
+ self._elementComplete(parameter.id, parameter.completed);
+ },
+ editItem: function () {
+ self._editItem(parameter.id, parameter.title);
+ },
+ editItemDone: function () {
+ self._editItemDone(parameter.id, parameter.title);
+ }
+ };
+
+ viewCommands[viewCmd]();
+ };
+
+ View.prototype._itemId = function (element) {
+ var li = $parent(element, 'li');
+ return parseInt(li.dataset.id, 10);
+ };
+
+ View.prototype._bindItemEditDone = function (handler) {
+ var self = this;
+ $delegate(self.$todoList, 'li .edit', 'blur', function () {
+ if (!this.dataset.iscanceled) {
+ handler({
+ id: self._itemId(this),
+ title: this.value
+ });
+ }
+ });
+
+ $delegate(self.$todoList, 'li .edit', 'keypress', function (event) {
+ if (event.keyCode === self.ENTER_KEY) {
+ // Remove the cursor from the input when you hit enter just like if it
+ // were a real form
+ this.blur();
+ }
+ });
+ };
+
+ View.prototype._bindItemEditCancel = function (handler) {
+ var self = this;
+ $delegate(self.$todoList, 'li .edit', 'keyup', function (event) {
+ if (event.keyCode === self.ESCAPE_KEY) {
+ this.dataset.iscanceled = true;
+ this.blur();
+
+ handler({id: self._itemId(this)});
+ }
+ });
+ };
+
+ View.prototype.bind = function (event, handler) {
+ var self = this;
+ if (event === 'newTodo') {
+ $on(self.$newTodo, 'change', function () {
+ handler(self.$newTodo.value);
+ });
+
+ } else if (event === 'removeCompleted') {
+ $on(self.$clearCompleted, 'click', function () {
+ handler();
+ });
+
+ } else if (event === 'toggleAll') {
+ $on(self.$toggleAll, 'click', function () {
+ handler({completed: this.checked});
+ });
+
+ } else if (event === 'itemEdit') {
+ $delegate(self.$todoList, 'li label', 'dblclick', function () {
+ handler({id: self._itemId(this)});
+ });
+
+ } else if (event === 'itemRemove') {
+ $delegate(self.$todoList, '.destroy', 'click', function () {
+ handler({id: self._itemId(this)});
+ });
+
+ } else if (event === 'itemToggle') {
+ $delegate(self.$todoList, '.toggle', 'click', function () {
+ handler({
+ id: self._itemId(this),
+ completed: this.checked
+ });
+ });
+
+ } else if (event === 'itemEditDone') {
+ self._bindItemEditDone(handler);
+
+ } else if (event === 'itemEditCancel') {
+ self._bindItemEditCancel(handler);
+ }
+ };
+
+ // Export to window
+ window.app = window.app || {};
+ window.app.View = View;
+}(window));