Index: chrome/browser/resources/options/controlled_setting.js |
diff --git a/chrome/browser/resources/options/controlled_setting.js b/chrome/browser/resources/options/controlled_setting.js |
new file mode 100644 |
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+++ b/chrome/browser/resources/options/controlled_setting.js |
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+// Copyright (c) 2011 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. |
+ |
+cr.define('options', function() { |
+ var Preferences = options.Preferences; |
+ |
+ /** |
+ * A controlled setting indicator that can be placed on a setting as an |
+ * indicator that the value is controlled by some external entity such as |
+ * policy or an extension. |
+ * @constructor |
+ * @extends {HTMLSpanElement} |
+ */ |
+ var ControlledSettingIndicator = cr.ui.define('span'); |
+ |
+ ControlledSettingIndicator.prototype = { |
+ __proto__: HTMLSpanElement.prototype, |
+ |
+ /** |
+ * Decorates the base element to show the proper icon. |
+ */ |
+ decorate: function() { |
+ var self = this; |
+ var doc = self.ownerDocument; |
+ |
+ // Create the details and summary elements. |
+ var detailsContainer = doc.createElement('details'); |
+ detailsContainer.appendChild(doc.createElement('summary')); |
+ |
+ // This should really create a div element, but that breaks :hover. See |
+ // https://bugs.webkit.org/show_bug.cgi?id=72957 |
+ var bubbleContainer = doc.createElement('p'); |
+ bubbleContainer.className = 'controlled-setting-bubble'; |
+ detailsContainer.appendChild(bubbleContainer); |
+ |
+ self.appendChild(detailsContainer); |
+ |
+ // If there is a pref, track its controlledBy property in order to be able |
+ // to bring up the correct bubble. |
+ if (this.hasAttribute('pref')) { |
+ Preferences.getInstance().addEventListener( |
+ this.getAttribute('pref'), |
+ function(event) { |
+ if (event.value) { |
+ var controlledBy = event.value['controlledBy']; |
+ self.controlledBy = controlledBy ? controlledBy : null; |
+ } |
+ }); |
+ } |
+ |
+ self.addEventListener('click', self.show_); |
+ }, |
+ |
+ |
+ /** |
+ * Closes the bubble. |
+ */ |
+ close: function() { |
+ this.querySelector('details').removeAttribute('open'); |
+ this.ownerDocument.removeEventListener('click', this.closeHandler_, true); |
+ }, |
+ |
+ /** |
+ * Constructs the bubble DOM tree and shows it. |
+ * @private |
+ */ |
+ show_: function() { |
+ var self = this; |
+ var doc = self.ownerDocument; |
+ |
+ // Clear out the old bubble contents. |
+ var bubbleContainer = this.querySelector('.controlled-setting-bubble'); |
+ if (bubbleContainer) { |
+ while (bubbleContainer.hasChildNodes()) |
+ bubbleContainer.removeChild(bubbleContainer.lastChild); |
+ } |
+ |
+ // Work out the bubble text. |
+ defaultStrings = { |
+ 'policy' : localStrings.getString('controlledSettingPolicy'), |
+ 'extension' : localStrings.getString('controlledSettingExtension'), |
+ 'recommended' : localStrings.getString('controlledSettingRecommended'), |
+ }; |
+ |
+ // No controller, no bubble. |
+ if (!self.controlledBy || !self.controlledBy in defaultStrings) |
+ return; |
+ |
+ var text = defaultStrings[self.controlledBy]; |
+ |
+ // Apply text overrides. |
+ if (self.hasAttribute('text' + self.controlledBy)) |
+ text = self.getAttribute('text' + self.controlledBy); |
+ |
+ // Create the DOM tree. |
+ var bubbleText = doc.createElement('p'); |
+ bubbleText.className = 'controlled-setting-bubble-text'; |
+ bubbleText.textContent = text; |
+ |
+ var pref = self.getAttribute('pref'); |
+ if (self.controlledBy == 'recommended' && pref) { |
+ var container = doc.createElement('div'); |
+ var action = doc.createElement('button'); |
+ action.classList.add('link-button'); |
+ action.classList.add('controlled-setting-bubble-action'); |
+ action.textContent = |
+ localStrings.getString('controlledSettingApplyRecommendation'); |
+ action.addEventListener( |
+ 'click', |
+ function(e) { |
+ Preferences.clearPref(pref); |
+ }); |
+ container.appendChild(action); |
+ bubbleText.appendChild(container); |
+ } |
+ |
+ bubbleContainer.appendChild(bubbleText); |
+ |
+ // One-time bubble-closing event handler. |
+ self.closeHandler_ = this.close.bind(this); |
+ doc.addEventListener('click', self.closeHandler_, true); |
+ } |
+ }; |
+ |
+ /** |
+ * The controlling entity of the setting. Can take the values "policy", |
+ * "extension", "recommended" or be unset. |
+ */ |
+ cr.defineProperty(ControlledSettingIndicator, 'controlledBy', |
+ cr.PropertyKind.ATTR, |
+ ControlledSettingIndicator.prototype.close); |
+ |
+ // Export. |
+ return { |
+ ControlledSettingIndicator : ControlledSettingIndicator |
+ }; |
+}); |