| <!DOCTYPE html> |
| <!-- |
| Copyright 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="/tracing/base/base.html"> |
| |
| <!-- |
| @fileoverview Analysis view stacked pane. See the stacked pane view element |
| (tr-ui-a-stacked-pane-view) documentation for more details. |
| --> |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.ui.analysis', function() { |
| |
| var StackedPane = { |
| rebuild: function() { |
| /** |
| * Rebuild the pane if necessary. |
| * |
| * This method is not intended to be overriden by subclasses. Please |
| * override scheduleRebuildPane_() instead. |
| */ |
| if (!this.paneDirty_) { |
| // Avoid rebuilding unnecessarily as it breaks things like table |
| // selection. |
| return; |
| } |
| |
| this.paneDirty_ = false; |
| this.rebuildPane_(); |
| }, |
| |
| /** |
| * Mark the UI state of the pane as dirty and schedule a rebuild. |
| * |
| * This method is intended to be called by subclasses. |
| */ |
| scheduleRebuildPane_: function() { |
| if (this.paneDirty_) |
| return; |
| this.paneDirty_ = true; |
| setTimeout(this.rebuild.bind(this), 0); |
| }, |
| |
| /** |
| * 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()). |
| */ |
| rebuildPane_: function() { |
| }, |
| |
| /** |
| * Request changing the child pane of this pane in the associated stacked |
| * pane view. If the assigned builder is undefined, request removing the |
| * current child pane. |
| * |
| * Note that setting this property before appended() is called will have no |
| * effect (as there will be no listener attached to the pane). |
| * |
| * This method is intended to be called by subclasses. |
| */ |
| set childPaneBuilder(childPaneBuilder) { |
| this.childPaneBuilder_ = childPaneBuilder; |
| this.dispatchEvent(new tr.b.Event('request-child-pane-change')); |
| }, |
| |
| get childPaneBuilder() { |
| return this.childPaneBuilder_; |
| }, |
| |
| /** |
| * Called right after the pane is appended to a pane view. |
| * |
| * This method triggers an immediate rebuild by default (if necessary). |
| * Subclasses are free to change this behavior (e.g. if a pane has lots of |
| * data to display, it might decide to defer rebuilding in order not to |
| * cause jank). |
| */ |
| appended: function() { |
| this.rebuild(); |
| } |
| }; |
| |
| return { |
| StackedPane: StackedPane |
| }; |
| }); |
| |
| Polymer({ |
| is: 'tr-ui-a-stacked-pane', |
| behaviors: [tr.ui.analysis.StackedPane] |
| }); |
| </script> |
