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// Copyright 2014 The ChromeOS IME Authors. All Rights Reserved.
// limitations under the License.
// See the License for the specific language governing permissions and
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// distributed under the License is distributed on an "AS-IS" BASIS,
// Unless required by applicable law or agreed to in writing, software
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// You may obtain a copy of the License at
// you may not use this file except in compliance with the License.
// Licensed under the Apache License, Version 2.0 (the "License");
//
goog.provide('i18n.input.chrome.inputview.elements.content.EmojiKey');
goog.require('goog.a11y.aria');
goog.require('goog.a11y.aria.State');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.dom.classlist');
goog.require('i18n.input.chrome.inputview.Css');
goog.require('i18n.input.chrome.inputview.elements.content.SoftKey');
goog.scope(function() {
var EMOJI_KEY_MARGIN = 6;
/**
* The emoji key
*
* @param {string} id The id.
* @param {!i18n.input.chrome.inputview.elements.ElementType} type The element
* type.
* @param {string} text The text.
* @param {boolean} isEmoticon Wether it is an emoticon.
* @param {goog.events.EventTarget=} opt_eventTarget The event target.
* @constructor
* @extends {i18n.input.chrome.inputview.elements.content.SoftKey}
*/
i18n.input.chrome.inputview.elements.content.EmojiKey = function(id, type,
text, isEmoticon, opt_eventTarget) {
i18n.input.chrome.inputview.elements.content.EmojiKey.base(
this, 'constructor', id, type, opt_eventTarget);
/**
* The text in the key.
*
* @type {string}
*/
this.text = text;
/**
* Wether it is an emoticon.
*
* @type {boolean}
*/
this.isEmoticon = isEmoticon;
this.pointerConfig.stopEventPropagation = false;
this.pointerConfig.dblClick = true;
};
goog.inherits(i18n.input.chrome.inputview.elements.content.EmojiKey,
i18n.input.chrome.inputview.elements.content.SoftKey);
var EmojiKey = i18n.input.chrome.inputview.elements.content.EmojiKey;
/** @override */
EmojiKey.prototype.createDom = function() {
goog.base(this, 'createDom');
var dom = this.getDomHelper();
var elem = this.getElement();
if (!this.textElem) {
this.textElem = dom.createDom(goog.dom.TagName.DIV,
i18n.input.chrome.inputview.Css.SPECIAL_KEY_NAME, this.text);
}
goog.dom.classlist.add(elem, i18n.input.chrome.inputview.Css.EMOJI_KEY);
elem.style.margin = EMOJI_KEY_MARGIN + 'px';
this.updateText(this.text, this.isEmoticon);
dom.appendChild(elem, this.textElem);
// Sets aria label after UI is ready.
setTimeout(this.setAriaLable_.bind(this), 0);
};
/** @override */
EmojiKey.prototype.resize = function(width, height) {
var elem = this.getElement();
var w = width - EMOJI_KEY_MARGIN * 2;
var h = height - EMOJI_KEY_MARGIN * 2;
elem.style.width = w + 'px';
elem.style.height = h + 'px';
this.availableWidth = w;
this.availableHeight = h;
};
/** @override */
EmojiKey.prototype.setHighlighted = function(highlight) {
if (this.text == '') {
return;
}
goog.base(this, 'setHighlighted', highlight);
};
/** @override */
EmojiKey.prototype.update = function() {
goog.base(this, 'update');
goog.dom.setTextContent(this.textElem, this.text);
};
/**
* Update the emoji's text
*
* @param {string} text The new text.
* @param {boolean} isEmoticon .
*/
EmojiKey.prototype.updateText = function(text, isEmoticon) {
this.text = text;
this.isEmoticon = isEmoticon;
goog.dom.setTextContent(this.textElem, text);
var elem = this.getElement();
if (isEmoticon) {
goog.dom.classlist.add(elem, i18n.input.chrome.inputview.Css.EMOTICON);
} else {
goog.dom.classlist.remove(elem, i18n.input.chrome.inputview.Css.EMOTICON);
}
};
/**
* Sets the aria label for this emoji key if any.
*
* @private
*/
EmojiKey.prototype.setAriaLable_ = function() {
var emojiName = '';
var lead = this.text.charCodeAt(0);
if (this.isEmoticon) {
emojiName = chrome.i18n.getMessage('smiley');
} else if (lead) {
var trail = this.text.charCodeAt(1);
var msgName = lead.toString(16);
if (!!trail) {
msgName += '_' + trail.toString(16);
}
emojiName = chrome.i18n.getMessage(msgName.toLowerCase());
}
if (emojiName) {
goog.a11y.aria.setState(/** @type {!Element} */ (this.getElement()),
goog.a11y.aria.State.LABEL, emojiName);
}
};
}); // goog.scope
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