| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2015 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. |
| --> |
| |
| <link rel="import" href="/model/selection_state.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Provides the SelectableItem class. |
| */ |
| tr.exportTo('tr.model', function() { |
| var SelectionState = tr.model.SelectionState; |
| |
| /** |
| * A SelectableItem is the abstract base class for any non-container data that |
| * has an associated model item in the trace model (possibly itself). |
| * |
| * Subclasses must provide a selectionState property (or getter). |
| * |
| * @constructor |
| */ |
| function SelectableItem(modelItem) { |
| this.modelItem_ = modelItem; |
| } |
| |
| SelectableItem.prototype = { |
| get modelItem() { |
| return this.modelItem_; |
| }, |
| |
| get selected() { |
| return this.selectionState === SelectionState.SELECTED; |
| }, |
| |
| addToSelection: function(selection) { |
| var modelItem = this.modelItem_; |
| if (!modelItem) |
| return; |
| selection.push(modelItem); |
| }, |
| |
| addToTrackMap: function(eventToTrackMap, track) { |
| var modelItem = this.modelItem_; |
| if (!modelItem) |
| return; |
| eventToTrackMap.addEvent(modelItem, track); |
| } |
| }; |
| |
| return { |
| SelectableItem: SelectableItem |
| }; |
| }); |
| </script> |
