DevTools: prepare to unify Network and CPU throttling UI

third_party/WebKit/Source/devtools/front_end/network_conditions/NetworkConditionsSettingsTab.js

-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * @implements {UI.ListWidget.Delegate}
- * @unrestricted
- */
-NetworkConditions.NetworkConditionsSettingsTab = class extends UI.VBox {
-  constructor() {
-    super(true);
-    this.registerRequiredCSS('network_conditions/networkConditionsSettingsTab.css');
-
-    this.contentElement.createChild('div', 'header').textContent = Common.UIString('Network Throttling Profiles');
-
-    var addButton = UI.createTextButton(
-        Common.UIString('Add custom profile...'), this._addButtonClicked.bind(this), 'add-conditions-button');
-    this.contentElement.appendChild(addButton);
-
-    this._list = new UI.ListWidget(this);
-    this._list.element.classList.add('conditions-list');
-    this._list.registerRequiredCSS('network_conditions/networkConditionsSettingsTab.css');
-    this._list.show(this.contentElement);
-
-    this._customSetting = Common.moduleSetting('customNetworkConditions');
-    this._customSetting.addChangeListener(this._conditionsUpdated, this);
-
-    this.setDefaultFocusedElement(addButton);
-    this.contentElement.tabIndex = 0;
-  }
-
-  /**
-   * @override
-   */
-  wasShown() {
-    super.wasShown();
-    this._conditionsUpdated();
-  }
-
-  _conditionsUpdated() {
-    this._list.clear();
-
-    var conditions = this._customSetting.get();
-    for (var i = 0; i < conditions.length; ++i)
-      this._list.appendItem(conditions[i], true);
-
-    this._list.appendSeparator();
-  }
-
-  _addButtonClicked() {
-    this._list.addNewItem(this._customSetting.get().length, {title: '', download: -1, upload: -1, latency: 0});
-  }
-
-  /**
-   * @override
-   * @param {*} item
-   * @param {boolean} editable
-   * @return {!Element}
-   */
-  renderItem(item, editable) {
-    var conditions = /** @type {!SDK.NetworkManager.Conditions} */ (item);
-    var element = createElementWithClass('div', 'conditions-list-item');
-    var title = element.createChild('div', 'conditions-list-text conditions-list-title');
-    var titleText = title.createChild('div', 'conditions-list-title-text');
-    titleText.textContent = conditions.title;
-    titleText.title = conditions.title;
-    element.createChild('div', 'conditions-list-separator');
-    element.createChild('div', 'conditions-list-text').textContent =
-        NetworkConditions.NetworkConditionsSelector.throughputText(conditions.download);
-    element.createChild('div', 'conditions-list-separator');
-    element.createChild('div', 'conditions-list-text').textContent =
-        NetworkConditions.NetworkConditionsSelector.throughputText(conditions.upload);
-    element.createChild('div', 'conditions-list-separator');
-    element.createChild('div', 'conditions-list-text').textContent = Common.UIString('%dms', conditions.latency);
-    return element;
-  }
-
-  /**
-   * @override
-   * @param {*} item
-   * @param {number} index
-   */
-  removeItemRequested(item, index) {
-    var list = this._customSetting.get();
-    list.splice(index, 1);
-    this._customSetting.set(list);
-  }
-
-  /**
-   * @override
-   * @param {*} item
-   * @param {!UI.ListWidget.Editor} editor
-   * @param {boolean} isNew
-   */
-  commitEdit(item, editor, isNew) {
-    var conditions = /** @type {?SDK.NetworkManager.Conditions} */ (item);
-    conditions.title = editor.control('title').value.trim();
-    var download = editor.control('download').value.trim();
-    conditions.download = download ? parseInt(download, 10) * (1024 / 8) : -1;
-    var upload = editor.control('upload').value.trim();
-    conditions.upload = upload ? parseInt(upload, 10) * (1024 / 8) : -1;
-    var latency = editor.control('latency').value.trim();
-    conditions.latency = latency ? parseInt(latency, 10) : 0;
-
-    var list = this._customSetting.get();
-    if (isNew)
-      list.push(conditions);
-    this._customSetting.set(list);
-  }
-
-  /**
-   * @override
-   * @param {*} item
-   * @return {!UI.ListWidget.Editor}
-   */
-  beginEdit(item) {
-    var conditions = /** @type {?SDK.NetworkManager.Conditions} */ (item);
-    var editor = this._createEditor();
-    editor.control('title').value = conditions.title;
-    editor.control('download').value = conditions.download <= 0 ? '' : String(conditions.download / (1024 / 8));
-    editor.control('upload').value = conditions.upload <= 0 ? '' : String(conditions.upload / (1024 / 8));
-    editor.control('latency').value = conditions.latency ? String(conditions.latency) : '';
-    return editor;
-  }
-
-  /**
-   * @return {!UI.ListWidget.Editor}
-   */
-  _createEditor() {
-    if (this._editor)
-      return this._editor;
-
-    var editor = new UI.ListWidget.Editor();
-    this._editor = editor;
-    var content = editor.contentElement();
-
-    var titles = content.createChild('div', 'conditions-edit-row');
-    titles.createChild('div', 'conditions-list-text conditions-list-title').textContent =
-        Common.UIString('Profile Name');
-    titles.createChild('div', 'conditions-list-separator conditions-list-separator-invisible');
-    titles.createChild('div', 'conditions-list-text').textContent = Common.UIString('Download');
-    titles.createChild('div', 'conditions-list-separator conditions-list-separator-invisible');
-    titles.createChild('div', 'conditions-list-text').textContent = Common.UIString('Upload');
-    titles.createChild('div', 'conditions-list-separator conditions-list-separator-invisible');
-    titles.createChild('div', 'conditions-list-text').textContent = Common.UIString('Latency');
-
-    var fields = content.createChild('div', 'conditions-edit-row');
-    fields.createChild('div', 'conditions-list-text conditions-list-title')
-        .appendChild(editor.createInput('title', 'text', '', titleValidator));
-    fields.createChild('div', 'conditions-list-separator conditions-list-separator-invisible');
-
-    var cell = fields.createChild('div', 'conditions-list-text');
-    cell.appendChild(editor.createInput('download', 'text', Common.UIString('kb/s'), throughputValidator));
-    cell.createChild('div', 'conditions-edit-optional').textContent = Common.UIString('optional');
-    fields.createChild('div', 'conditions-list-separator conditions-list-separator-invisible');
-
-    cell = fields.createChild('div', 'conditions-list-text');
-    cell.appendChild(editor.createInput('upload', 'text', Common.UIString('kb/s'), throughputValidator));
-    cell.createChild('div', 'conditions-edit-optional').textContent = Common.UIString('optional');
-    fields.createChild('div', 'conditions-list-separator conditions-list-separator-invisible');
-
-    cell = fields.createChild('div', 'conditions-list-text');
-    cell.appendChild(editor.createInput('latency', 'text', Common.UIString('ms'), latencyValidator));
-    cell.createChild('div', 'conditions-edit-optional').textContent = Common.UIString('optional');
-
-    return editor;
-
-    /**
-     * @param {*} item
-     * @param {number} index
-     * @param {!HTMLInputElement|!HTMLSelectElement} input
-     * @return {boolean}
-     */
-    function titleValidator(item, index, input) {
-      var value = input.value.trim();
-      return value.length > 0 && value.length < 50;
-    }
-
-    /**
-     * @param {*} item
-     * @param {number} index
-     * @param {!HTMLInputElement|!HTMLSelectElement} input
-     * @return {boolean}
-     */
-    function throughputValidator(item, index, input) {
-      var value = input.value.trim();
-      return !value || (/^[\d]+(\.\d+)?|\.\d+$/.test(value) && value >= 0 && value <= 10000000);
-    }
-
-    /**
-     * @param {*} item
-     * @param {number} index
-     * @param {!HTMLInputElement|!HTMLSelectElement} input
-     * @return {boolean}
-     */
-    function latencyValidator(item, index, input) {
-      var value = input.value.trim();
-      return !value || (/^[\d]+$/.test(value) && value >= 0 && value <= 1000000);
-    }
-  }
-};