| <!DOCTYPE html> |
| <!-- |
| Copyright 2016 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="/tracing/base/raf.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.ui.analysis', function() { |
| |
| var RebuildableBehavior = { |
| rebuild: function() { |
| /** |
| * Rebuild the pane if necessary. |
| * |
| * This method is not intended to be overriden by subclasses. Please |
| * override scheduleRebuild_() instead. |
| */ |
| if (!this.paneDirty_) { |
| // Avoid rebuilding unnecessarily as it breaks things like table |
| // selection. |
| return; |
| } |
| |
| this.paneDirty_ = false; |
| this.onRebuild_(); |
| }, |
| |
| /** |
| * Mark the UI state of the pane as dirty and schedule a rebuild. |
| * |
| * This method is intended to be called by subclasses. |
| */ |
| scheduleRebuild_: function() { |
| if (this.paneDirty_) |
| return; |
| this.paneDirty_ = true; |
| tr.b.requestAnimationFrame(this.rebuild.bind(this)); |
| }, |
| |
| /** |
| * Called when the pane is dirty and a rebuild is triggered. |
| * |
| * This method is intended to be overriden by subclasses (instead of |
| * directly overriding rebuild()). |
| */ |
| onRebuild_: function() { |
| } |
| }; |
| |
| return { |
| RebuildableBehavior: RebuildableBehavior |
| }; |
| }); |
| </script> |
