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|
/* global Cookies */
const emojiMap = require('emoji-map');
const emojiAliases = require('emoji-aliases');
const glEmoji = require('./behaviors/gl_emoji');
const glEmojiTag = glEmoji.glEmojiTag;
const animationEndEventString = 'animationend webkitAnimationEnd MSAnimationEnd oAnimationEnd';
const requestAnimationFrame = window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.setTimeout;
const FROM_SENTENCE_REGEX = /(?:, and | and |, )/; // For separating lists produced by ruby's Array#toSentence
let categoryMap = null;
const categoryLabelMap = {
activity: 'Activity',
people: 'People',
nature: 'Nature',
food: 'Food',
travel: 'Travel',
objects: 'Objects',
symbols: 'Symbols',
flags: 'Flags',
};
function buildCategoryMap() {
return Object.keys(emojiMap).reduce((currentCategoryMap, emojiNameKey) => {
const emojiInfo = emojiMap[emojiNameKey];
if (currentCategoryMap[emojiInfo.category]) {
currentCategoryMap[emojiInfo.category].push(emojiNameKey);
}
return currentCategoryMap;
}, {
activity: [],
people: [],
nature: [],
food: [],
travel: [],
objects: [],
symbols: [],
flags: [],
});
}
function renderCategory(name, emojiList) {
return `
<h5 class="emoji-menu-title">
${name}
</h5>
<ul class="clearfix emoji-menu-list">
${emojiList.map(emojiName => `
<li class="emoji-menu-list-item">
<button class="emoji-menu-btn text-center js-emoji-btn" type="button">
${glEmojiTag(emojiName, {
sprite: true,
})}
</button>
</li>
`).join('\n')}
</ul>
`;
}
function AwardsHandler() {
this.eventListeners = [];
this.aliases = emojiAliases;
// If the user shows intent let's pre-build the menu
this.registerEventListener('one', $(document), 'mouseenter focus', '.js-add-award', 'mouseenter focus', () => {
const $menu = $('.emoji-menu');
if ($menu.length === 0) {
requestAnimationFrame(() => {
this.createEmojiMenu();
});
}
// Prebuild the categoryMap
categoryMap = categoryMap || buildCategoryMap();
});
this.registerEventListener('on', $(document), 'click', '.js-add-award', (e) => {
e.stopPropagation();
e.preventDefault();
this.showEmojiMenu($(e.currentTarget));
});
this.registerEventListener('on', $('html'), 'click', (e) => {
const $target = $(e.target);
if (!$target.closest('.emoji-menu-content').length) {
$('.js-awards-block.current').removeClass('current');
}
if (!$target.closest('.emoji-menu').length) {
if ($('.emoji-menu').is(':visible')) {
$('.js-add-award.is-active').removeClass('is-active');
$('.emoji-menu').removeClass('is-visible');
}
}
});
this.registerEventListener('on', $(document), 'click', '.js-emoji-btn', (e) => {
e.preventDefault();
const $target = $(e.currentTarget);
const $glEmojiElement = $target.find('gl-emoji');
const $spriteIconElement = $target.find('.icon');
const emoji = ($glEmojiElement.length ? $glEmojiElement : $spriteIconElement).data('name');
$target.closest('.js-awards-block').addClass('current');
return this.addAward(this.getVotesBlock(), this.getAwardUrl(), emoji);
});
}
AwardsHandler.prototype.registerEventListener = function registerEventListener(method = 'on', element, ...args) {
element[method].call(element, ...args);
this.eventListeners.push({
element,
args,
});
};
AwardsHandler.prototype.showEmojiMenu = function showEmojiMenu($addBtn) {
if ($addBtn.hasClass('js-note-emoji')) {
$addBtn.closest('.note').find('.js-awards-block').addClass('current');
} else {
$addBtn.closest('.js-awards-block').addClass('current');
}
const $menu = $('.emoji-menu');
if ($menu.length) {
if ($menu.is('.is-visible')) {
$addBtn.removeClass('is-active');
$menu.removeClass('is-visible');
$('#emoji_search').blur();
} else {
$addBtn.addClass('is-active');
this.positionMenu($menu, $addBtn);
$menu.addClass('is-visible');
$('#emoji_search').focus();
}
} else {
$addBtn.addClass('is-loading is-active');
this.createEmojiMenu(() => {
const $createdMenu = $('.emoji-menu');
$addBtn.removeClass('is-loading');
this.positionMenu($createdMenu, $addBtn);
if (!this.frequentEmojiBlockRendered) {
this.renderFrequentlyUsedBlock();
}
return setTimeout(() => {
$createdMenu.addClass('is-visible');
$('#emoji_search').focus();
}, 200);
});
}
};
// Create the emoji menu with the first category of emojis.
// Then after the emoji menu has been expanded(and CSS transition has ended),
// render the remaining categories of emojis one by one to avoid jank.
AwardsHandler.prototype.createEmojiMenu = function createEmojiMenu(callback) {
if (this.isCreatingEmojiMenu) {
return;
}
this.isCreatingEmojiMenu = true;
// Render the first category
categoryMap = categoryMap || buildCategoryMap();
const categoryNameKey = Object.keys(categoryMap)[0];
const emojisInCategory = categoryMap[categoryNameKey];
const firstCategory = renderCategory(categoryLabelMap[categoryNameKey], emojisInCategory);
const emojiMenuMarkup = `
<div class="emoji-menu">
<input type="text" name="emoji_search" id="emoji_search" value="" class="emoji-search search-input form-control" placeholder="Search emoji" />
<div class="emoji-menu-content">
${firstCategory}
</div>
</div>
`;
document.body.insertAdjacentHTML('beforeend', emojiMenuMarkup);
this.addRemainingEmojiMenuCategories();
this.setupSearch();
if (callback) {
callback();
}
};
AwardsHandler
.prototype
.addRemainingEmojiMenuCategories = function addRemainingEmojiMenuCategories() {
if (this.isAddingRemainingEmojiMenuCategories) {
return;
}
this.isAddingRemainingEmojiMenuCategories = true;
categoryMap = categoryMap || buildCategoryMap();
// Avoid the jank and render the remaining categories separately
// This will take more time, but makes UI more responsive
const emojiContentElement = document.querySelector('.emoji-menu .emoji-menu-content');
const remainingCategories = Object.keys(categoryMap).slice(1);
const allCategoriesAddedPromise = remainingCategories.reduce(
(promiseChain, categoryNameKey) =>
promiseChain.then(() =>
new Promise((resolve) => {
const emojisInCategory = categoryMap[categoryNameKey];
const categoryMarkup = renderCategory(
categoryLabelMap[categoryNameKey],
emojisInCategory,
);
requestAnimationFrame(() => {
emojiContentElement.insertAdjacentHTML('beforeend', categoryMarkup);
resolve();
});
}),
),
Promise.resolve(),
);
allCategoriesAddedPromise.then(() => {
// Used for tests
// We check for the menu in case it was destroyed in the meantime
const menu = document.querySelector('.emoji-menu');
if (menu) {
menu.dispatchEvent(new CustomEvent('build-emoji-menu-finish'));
}
});
};
AwardsHandler.prototype.positionMenu = function positionMenu($menu, $addBtn) {
const position = $addBtn.data('position');
// The menu could potentially be off-screen or in a hidden overflow element
// So we position the element absolute in the body
const css = {
top: `${$addBtn.offset().top + $addBtn.outerHeight()}px`,
};
if (position === 'right') {
css.left = `${($addBtn.offset().left - $menu.outerWidth()) + 20}px`;
$menu.addClass('is-aligned-right');
} else {
css.left = `${$addBtn.offset().left}px`;
$menu.removeClass('is-aligned-right');
}
return $menu.css(css);
};
AwardsHandler.prototype.addAward = function addAward(
votesBlock,
awardUrl,
emoji,
checkMutuality,
callback,
) {
const normalizedEmoji = this.normalizeEmojiName(emoji);
this.postEmoji(awardUrl, normalizedEmoji, () => {
this.addAwardToEmojiBar(votesBlock, normalizedEmoji, checkMutuality);
return typeof callback === 'function' ? callback() : undefined;
});
return $('.emoji-menu').removeClass('is-visible');
};
AwardsHandler.prototype.addAwardToEmojiBar = function addAwardToEmojiBar(
votesBlock,
emoji,
checkForMutuality,
) {
if (checkForMutuality || checkForMutuality === null) {
this.checkMutuality(votesBlock, emoji);
}
this.addEmojiToFrequentlyUsedList(emoji);
const normalizedEmoji = this.normalizeEmojiName(emoji);
const $emojiButton = this.findEmojiIcon(votesBlock, normalizedEmoji).parent();
if ($emojiButton.length > 0) {
if (this.isActive($emojiButton)) {
this.decrementCounter($emojiButton, normalizedEmoji);
} else {
const counter = $emojiButton.find('.js-counter');
counter.text(parseInt(counter.text(), 10) + 1);
$emojiButton.addClass('active');
this.addYouToUserList(votesBlock, normalizedEmoji);
this.animateEmoji($emojiButton);
}
} else {
votesBlock.removeClass('hidden');
this.createEmoji(votesBlock, normalizedEmoji);
}
};
AwardsHandler.prototype.getVotesBlock = function getVotesBlock() {
const currentBlock = $('.js-awards-block.current');
let resultantVotesBlock = currentBlock;
if (currentBlock.length === 0) {
resultantVotesBlock = $('.js-awards-block').eq(0);
}
return resultantVotesBlock;
};
AwardsHandler.prototype.getAwardUrl = function getAwardUrl() {
return this.getVotesBlock().data('award-url');
};
AwardsHandler.prototype.checkMutuality = function checkMutuality(votesBlock, emoji) {
const awardUrl = this.getAwardUrl();
if (emoji === 'thumbsup' || emoji === 'thumbsdown') {
const mutualVote = emoji === 'thumbsup' ? 'thumbsdown' : 'thumbsup';
const $emojiButton = votesBlock.find(`[data-name="${mutualVote}"]`).parent();
const isAlreadyVoted = $emojiButton.hasClass('active');
if (isAlreadyVoted) {
this.addAward(votesBlock, awardUrl, mutualVote, false);
}
}
};
AwardsHandler.prototype.isActive = function isActive($emojiButton) {
return $emojiButton.hasClass('active');
};
AwardsHandler.prototype.decrementCounter = function decrementCounter($emojiButton, emoji) {
const counter = $('.js-counter', $emojiButton);
const counterNumber = parseInt(counter.text(), 10);
if (counterNumber > 1) {
counter.text(counterNumber - 1);
this.removeYouFromUserList($emojiButton);
} else if (emoji === 'thumbsup' || emoji === 'thumbsdown') {
$emojiButton.tooltip('destroy');
counter.text('0');
this.removeYouFromUserList($emojiButton);
if ($emojiButton.parents('.note').length) {
this.removeEmoji($emojiButton);
}
} else {
this.removeEmoji($emojiButton);
}
return $emojiButton.removeClass('active');
};
AwardsHandler.prototype.removeEmoji = function removeEmoji($emojiButton) {
$emojiButton.tooltip('destroy');
$emojiButton.remove();
const $votesBlock = this.getVotesBlock();
if ($votesBlock.find('.js-emoji-btn').length === 0) {
$votesBlock.addClass('hidden');
}
};
AwardsHandler.prototype.getAwardTooltip = function getAwardTooltip($awardBlock) {
return $awardBlock.attr('data-original-title') || $awardBlock.attr('data-title') || '';
};
AwardsHandler.prototype.toSentence = function toSentence(list) {
let sentence;
if (list.length <= 2) {
sentence = list.join(' and ');
} else {
sentence = `${list.slice(0, -1).join(', ')}, and ${list[list.length - 1]}`;
}
return sentence;
};
AwardsHandler.prototype.removeYouFromUserList = function removeYouFromUserList($emojiButton) {
const awardBlock = $emojiButton;
const originalTitle = this.getAwardTooltip(awardBlock);
const authors = originalTitle.split(FROM_SENTENCE_REGEX);
authors.splice(authors.indexOf('You'), 1);
return awardBlock
.closest('.js-emoji-btn')
.removeData('title')
.removeAttr('data-title')
.removeAttr('data-original-title')
.attr('title', this.toSentence(authors))
.tooltip('fixTitle');
};
AwardsHandler.prototype.addYouToUserList = function addYouToUserList(votesBlock, emoji) {
const awardBlock = this.findEmojiIcon(votesBlock, emoji).parent();
const origTitle = this.getAwardTooltip(awardBlock);
let users = [];
if (origTitle) {
users = origTitle.trim().split(FROM_SENTENCE_REGEX);
}
users.unshift('You');
return awardBlock
.attr('title', this.toSentence(users))
.tooltip('fixTitle');
};
AwardsHandler
.prototype
.createAwardButtonForVotesBlock = function createAwardButtonForVotesBlock(votesBlock, emojiName) {
const buttonHtml = `
<button class="btn award-control js-emoji-btn has-tooltip active" title="You" data-placement="bottom">
${glEmojiTag(emojiName)}
<span class="award-control-text js-counter">1</span>
</button>
`;
const $emojiButton = $(buttonHtml);
$emojiButton.insertBefore(votesBlock.find('.js-award-holder')).find('.emoji-icon').data('name', emojiName);
this.animateEmoji($emojiButton);
$('.award-control').tooltip();
votesBlock.removeClass('current');
};
AwardsHandler.prototype.animateEmoji = function animateEmoji($emoji) {
const className = 'pulse animated once short';
$emoji.addClass(className);
this.registerEventListener('on', $emoji, animationEndEventString, (e) => {
$(e.currentTarget).removeClass(className);
});
};
AwardsHandler.prototype.createEmoji = function createEmoji(votesBlock, emoji) {
if ($('.emoji-menu').length) {
this.createAwardButtonForVotesBlock(votesBlock, emoji);
}
this.createEmojiMenu(() => {
this.createAwardButtonForVotesBlock(votesBlock, emoji);
});
};
AwardsHandler.prototype.postEmoji = function postEmoji(awardUrl, emoji, callback) {
return $.post(awardUrl, {
name: emoji,
}, (data) => {
if (data.ok) {
callback();
}
});
};
AwardsHandler.prototype.findEmojiIcon = function findEmojiIcon(votesBlock, emoji) {
return votesBlock.find(`.js-emoji-btn [data-name="${emoji}"]`);
};
AwardsHandler.prototype.scrollToAwards = function scrollToAwards() {
const options = {
scrollTop: $('.awards').offset().top - 110,
};
return $('body, html').animate(options, 200);
};
AwardsHandler.prototype.normalizeEmojiName = function normalizeEmojiName(emoji) {
return this.aliases[emoji] || emoji;
};
AwardsHandler
.prototype
.addEmojiToFrequentlyUsedList = function addEmojiToFrequentlyUsedList(emoji) {
const frequentlyUsedEmojis = this.getFrequentlyUsedEmojis();
frequentlyUsedEmojis.push(emoji);
Cookies.set('frequently_used_emojis', frequentlyUsedEmojis.join(','), { expires: 365 });
};
AwardsHandler.prototype.getFrequentlyUsedEmojis = function getFrequentlyUsedEmojis() {
const frequentlyUsedEmojis = (Cookies.get('frequently_used_emojis') || '').split(',');
return _.compact(_.uniq(frequentlyUsedEmojis));
};
AwardsHandler.prototype.renderFrequentlyUsedBlock = function renderFrequentlyUsedBlock() {
if (Cookies.get('frequently_used_emojis')) {
const frequentlyUsedEmojis = this.getFrequentlyUsedEmojis();
const ul = $('<ul class="clearfix emoji-menu-list frequent-emojis">');
for (let i = 0, len = frequentlyUsedEmojis.length; i < len; i += 1) {
const emoji = frequentlyUsedEmojis[i];
$(`.emoji-menu-content [data-name="${emoji}"]`).closest('li').clone().appendTo(ul);
}
$('.emoji-menu-content').prepend(ul).prepend($('<h5>').text('Frequently used'));
}
this.frequentEmojiBlockRendered = true;
};
AwardsHandler.prototype.setupSearch = function setupSearch() {
this.registerEventListener('on', $('input.emoji-search'), 'input', (e) => {
const term = $(e.target).val().trim();
// Clean previous search results
$('ul.emoji-menu-search, h5.emoji-search').remove();
if (term.length > 0) {
// Generate a search result block
const h5 = $('<h5 class="emoji-search" />').text('Search results');
const foundEmojis = this.searchEmojis(term).show();
const ul = $('<ul>').addClass('emoji-menu-list emoji-menu-search').append(foundEmojis);
$('.emoji-menu-content ul, .emoji-menu-content h5').hide();
$('.emoji-menu-content').append(h5).append(ul);
} else {
$('.emoji-menu-content').children().show();
}
});
};
AwardsHandler.prototype.searchEmojis = function searchEmojis(term) {
const safeTerm = term.toLowerCase();
const namesMatchingAlias = [];
Object.keys(emojiAliases).forEach((alias) => {
if (alias.indexOf(safeTerm) >= 0) {
namesMatchingAlias.push(emojiAliases[alias]);
}
});
const $matchingElements = namesMatchingAlias.concat(safeTerm)
.reduce(
($result, searchTerm) =>
$result.add($(`.emoji-menu-list:not(.frequent-emojis) [data-name*="${searchTerm}"]`)),
$([]),
);
return $matchingElements.closest('li').clone();
};
AwardsHandler.prototype.destroy = function destroy() {
this.eventListeners.forEach((entry) => {
entry.element.off.call(entry.element, ...entry.args);
});
$('.emoji-menu').remove();
};
module.exports = AwardsHandler;
|