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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
cr.define('cr.ui', function() {
/** @const */ const BubbleButton = cr.ui.BubbleButton;
/**
* An indicator that can be placed on a UI element as a hint to the user that
* the value is controlled by some external entity such as policy or an
* extension.
* @constructor
* @extends {cr.ui.BubbleButton}
*/
const ControlledIndicator = cr.ui.define('span');
/**
* Only a single bubble can be shown at a time. |bubble| holds a reference to
* the bubble, if any.
* @private
*/
let bubble;
ControlledIndicator.prototype = {
__proto__: cr.ui.BubbleButton.prototype,
/**
* Decorates the base element to show the proper icon.
*/
decorate() {
cr.ui.BubbleButton.prototype.decorate.call(this);
this.classList.add('controlled-setting-indicator');
},
/**
* Shows an informational bubble displaying |content|.
* @param {HTMLDivElement} content The content of the bubble.
*/
showBubble(content) {
this.hideBubble();
bubble = new cr.ui.AutoCloseBubble();
bubble.anchorNode = this.image;
bubble.domSibling = this;
bubble.arrowLocation = this.location;
bubble.content = content;
bubble.show();
},
/**
* Hides the currently visible bubble, if any.
*/
hideBubble() {
if (bubble) {
bubble.hide();
}
},
/**
* Returns a dictionary of the form { |controlled-by|: |bubbleText| }, where
* |controlled-by| is a valid value of the controlled-by property (see
* below), i.e. 'policy'. |bubbleText| is the default text to be shown for
* UI items with this controlled-by property value. The default
* implementation does not set any strings.
* @return {Object}
*/
getDefaultStrings() {
return {};
},
/**
* Returns the text shown in the bubble.
* @return {string}
*/
getBubbleText() {
const defaultStrings = this.getDefaultStrings();
let text = defaultStrings[this.controlledBy];
if (this.hasAttribute('text' + this.controlledBy)) {
text = this.getAttribute('text' + this.controlledBy);
} else if (this.controlledBy === 'extension' && this['extensionName']) {
text = defaultStrings['extensionWithName'];
}
return text || '';
},
/**
* Returns the DOM tree for a showing the message |text|.
* @param {string} text to be shown in the bubble.
*/
createDomTree(text) {
const content = document.createElement('div');
content.textContent = text;
return content;
},
/**
* Open or close a bubble with further information about the pref.
* @override
*/
toggleBubble() {
if (this.showingBubble) {
this.hideBubble();
} else {
this.showBubble(this.createDomTree(this.getBubbleText()));
}
},
};
/**
* The status of the associated preference:
* - 'policy': A specific value is enforced by policy.
* - 'extension': A specific value is enforced by an extension.
* - 'recommended': A value is recommended by policy. The user could
* override this recommendation but has not done so.
* - 'hasRecommendation': A value is recommended by policy. The user has
* overridden this recommendation.
* - 'owner': A value is controlled by the owner of the device
* (Chrome OS only).
* - 'shared': A value belongs to the primary user but can be
* modified (Chrome OS only).
* - unset: The value is controlled by the user alone.
*/
ControlledIndicator.prototype.controlledBy;
Object.defineProperty(
ControlledIndicator.prototype, 'controlledBy',
cr.getPropertyDescriptor('controlledBy', cr.PropertyKind.BOOL_ATTR));
return {ControlledIndicator: ControlledIndicator};
});
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