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743 lines
25 KiB
JavaScript
743 lines
25 KiB
JavaScript
var emoji_picker = (function () {
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var exports = {};
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// Emoji picker is of fixed width and height. Update these
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// whenever these values are changed in `reactions.css`.
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var APPROX_HEIGHT = 375;
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var APPROX_WIDTH = 255;
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// The functionalities for reacting to a message with an emoji
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// and composing a message with an emoji share a single widget,
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// implemented as the emoji_popover.
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exports.emoji_collection = {};
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exports.complete_emoji_catalog = [];
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var current_message_emoji_popover_elem;
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var emoji_catalog_last_coordinates = {
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section: 0,
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index: 0,
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};
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var current_section = 0;
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var current_index = 0;
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var search_is_active = false;
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var search_results = [];
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var section_head_offsets = [];
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function get_all_emoji_categories() {
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return [
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{ name: "Popular", icon: "fa-thumbs-o-up" },
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{ name: "People", icon: "fa-smile-o" },
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{ name: "Nature", icon: "fa-leaf" },
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{ name: "Foods", icon: "fa-cutlery" },
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{ name: "Activity", icon: "fa-soccer-ball-o" },
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{ name: "Places", icon: "fa-car" },
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{ name: "Objects", icon: "fa-lightbulb-o" },
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{ name: "Symbols", icon: "fa-hashtag" },
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{ name: "Custom", icon: "fa-cog" },
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];
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}
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function get_frequently_used_emojis() {
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return [
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'1f44d', // thumbs_up
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'1f389', // party_popper
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'1f642', // simple_smile
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'2764', // heart
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'1f6e0', // hammer_and_wrench
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'1f419', // octopus
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];
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}
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function get_total_sections() {
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if (search_is_active) {
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return 1;
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}
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return exports.complete_emoji_catalog.length;
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}
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function get_max_index(section) {
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if (search_is_active) {
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return search_results.length;
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} else if (section >= 0 && section < get_total_sections()) {
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return exports.complete_emoji_catalog[section].emojis.length;
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}
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}
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function get_emoji_id(section, index) {
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var type = "emoji_picker_emoji";
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if (search_is_active) {
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type = "emoji_search_result";
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}
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var emoji_id = [type, section, index].join(",");
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return emoji_id;
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}
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function get_emoji_coordinates(emoji_id) {
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// Emoji id is of the following form:
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// <emoji_type>_<section_number>_<index>.
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// See `get_emoji_id()`.
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var emoji_info = emoji_id.split(",");
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return {
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section: parseInt(emoji_info[1], 10),
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index: parseInt(emoji_info[2], 10),
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};
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}
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function show_search_results() {
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$(".emoji-popover-emoji-map").hide();
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$(".emoji-popover-category-tabs").hide();
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$(".emoji-search-results-container").show();
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emoji_catalog_last_coordinates = {
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section: current_section,
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index: current_index,
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};
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current_section = 0;
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current_index = 0;
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search_is_active = true;
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}
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function show_emoji_catalog() {
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$(".emoji-popover-emoji-map").show();
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$(".emoji-popover-category-tabs").show();
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$(".emoji-search-results-container").hide();
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current_section = emoji_catalog_last_coordinates.section;
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current_index = emoji_catalog_last_coordinates.index;
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search_is_active = false;
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}
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exports.generate_emoji_picker_data = function (realm_emojis) {
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exports.emoji_collection = {};
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exports.complete_emoji_catalog = {};
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exports.complete_emoji_catalog.Custom = [];
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_.each(realm_emojis, function (realm_emoji, realm_emoji_name) {
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exports.emoji_collection[realm_emoji_name] = {
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name: realm_emoji_name,
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aliases: [realm_emoji_name],
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is_realm_emoji: true,
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url: realm_emoji.emoji_url,
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has_reacted: false,
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};
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exports.complete_emoji_catalog.Custom.push(exports.emoji_collection[realm_emoji_name]);
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});
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_.each(emoji_codes.emoji_catalog, function (codepoints, category) {
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exports.complete_emoji_catalog[category] = [];
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_.each(codepoints, function (codepoint) {
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if (emoji_codes.codepoint_to_name.hasOwnProperty(codepoint)) {
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var emoji_name = emoji_codes.codepoint_to_name[codepoint];
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if (!exports.emoji_collection.hasOwnProperty(emoji_name)) {
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exports.emoji_collection[emoji_name] = {
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name: emoji_name,
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aliases: emoji.default_emoji_aliases[codepoint],
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is_realm_emoji: false,
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css_class: codepoint,
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has_reacted: false,
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};
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exports.complete_emoji_catalog[category].push(
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exports.emoji_collection[emoji_name]
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);
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}
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}
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});
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});
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exports.complete_emoji_catalog.Popular = [];
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var frequently_used_emojis = get_frequently_used_emojis();
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_.each(frequently_used_emojis, function (codepoint) {
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if (emoji_codes.codepoint_to_name.hasOwnProperty(codepoint)) {
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var emoji_name = emoji_codes.codepoint_to_name[codepoint];
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if (exports.emoji_collection.hasOwnProperty(emoji_name)) {
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exports.complete_emoji_catalog.Popular.push(exports.emoji_collection[emoji_name]);
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}
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}
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});
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var categories = get_all_emoji_categories().filter(function (category) {
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return !!exports.complete_emoji_catalog[category.name];
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});
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exports.complete_emoji_catalog = categories.map(function (category) {
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return {
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name: category.name,
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icon: category.icon,
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emojis: exports.complete_emoji_catalog[category.name],
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};
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});
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};
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var generate_emoji_picker_content = function (id) {
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var emojis_used = [];
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if (id !== undefined) {
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emojis_used = reactions.get_emojis_used_by_user_for_message_id(id);
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}
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_.each(exports.emoji_collection, function (emoji_dict) {
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emoji_dict.has_reacted = _.any(emoji_dict.aliases, function (alias) {
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return _.contains(emojis_used, alias);
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});
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});
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return templates.render('emoji_popover_content', {
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message_id: id,
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emoji_categories: exports.complete_emoji_catalog,
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});
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};
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function refill_section_head_offsets(popover) {
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section_head_offsets = [];
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popover.find('.emoji-popover-subheading').each(function () {
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section_head_offsets.push({
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section: $(this).attr('data-section'),
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position_y: $(this).position().top,
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});
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});
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}
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exports.reactions_popped = function () {
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return current_message_emoji_popover_elem !== undefined;
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};
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exports.hide_emoji_popover = function () {
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$('.has_popover').removeClass('has_popover has_emoji_popover');
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if (exports.reactions_popped()) {
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var orig_title = current_message_emoji_popover_elem.data("original-title");
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ui.destroy_scrollbar($(".emoji-popover-emoji-map"));
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ui.destroy_scrollbar($(".emoji-search-results-container"));
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current_message_emoji_popover_elem.popover("destroy");
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current_message_emoji_popover_elem.prop("title", orig_title);
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current_message_emoji_popover_elem.removeClass("reaction_button_visible");
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current_message_emoji_popover_elem = undefined;
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}
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};
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function get_selected_emoji() {
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return $(".emoji-popover-emoji").filter(":focus")[0];
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}
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function get_rendered_emoji(section, index) {
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var emoji_id = get_emoji_id(section, index);
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var emoji = $(".emoji-popover-emoji[data-emoji-id='" + emoji_id + "']");
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if (emoji.length > 0) {
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return emoji;
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}
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}
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function filter_emojis() {
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var elt = $(".emoji-popover-filter").expectOne();
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var query = elt.val().trim().toLowerCase();
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var message_id = $(".emoji-search-results-container").data("message-id");
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var search_results_visible = $(".emoji-search-results-container").is(":visible");
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if (query !== "") {
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var categories = exports.complete_emoji_catalog;
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var search_terms = query.split(" ");
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search_results = [];
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_.each(categories, function (category) {
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if (category.name === "Popular") {
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return;
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}
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var emojis = category.emojis;
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_.each(emojis, function (emoji_dict) {
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_.any(emoji_dict.aliases, function (alias) {
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var match = _.every(search_terms, function (search_term) {
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return alias.indexOf(search_term) >= 0;
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});
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if (match) {
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search_results.push(_.extend({}, emoji_dict, {name: alias}));
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return true;
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}
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});
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});
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});
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var rendered_search_results = templates.render('emoji_popover_search_results', {
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search_results: search_results,
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message_id: message_id,
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});
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$('.emoji-search-results').html(rendered_search_results);
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ui.update_scrollbar($(".emoji-search-results-container"));
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if (!search_results_visible) {
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show_search_results();
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}
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} else {
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show_emoji_catalog();
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}
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}
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function get_alias_to_be_used(message_id, emoji_name) {
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// If the user has reacted to this message, then this function
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// returns the alias of this emoji he used, otherwise, returns
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// the passed name as it is.
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var message = message_store.get(message_id);
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var aliases = [emoji_name];
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if (!emoji.active_realm_emojis.hasOwnProperty(emoji_name)) {
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if (emoji_codes.name_to_codepoint.hasOwnProperty(emoji_name)) {
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var codepoint = emoji_codes.name_to_codepoint[emoji_name];
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aliases = emoji.default_emoji_aliases[codepoint];
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} else {
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blueslip.error("Invalid emoji name.");
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return;
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}
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}
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var user_id = page_params.user_id;
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var reaction = _.find(message.reactions, function (reaction) {
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return (reaction.user.id === user_id) && (_.contains(aliases, reaction.emoji_name));
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});
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if (reaction) {
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return reaction.emoji_name;
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}
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return emoji_name;
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}
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function toggle_reaction(emoji_name) {
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var message_id = current_msg_list.selected_id();
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var message = message_store.get(message_id);
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if (!message) {
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blueslip.error('reactions: Bad message id: ' + message_id);
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return;
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}
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var alias = get_alias_to_be_used(message_id, emoji_name);
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reactions.toggle_emoji_reaction(message_id, alias);
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}
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function maybe_select_emoji(e) {
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if (e.keyCode === 13) { // enter key
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e.preventDefault();
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var first_emoji = get_rendered_emoji(0, 0);
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if (first_emoji) {
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if (emoji_picker.is_composition(first_emoji)) {
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first_emoji.click();
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} else {
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toggle_reaction(first_emoji.data("emoji-name"));
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}
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}
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}
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}
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exports.toggle_selected_emoji = function () {
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// Toggle the currently selected emoji.
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var selected_emoji = get_selected_emoji();
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if (selected_emoji === undefined) {
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return;
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}
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var emoji_name = $(selected_emoji).data("emoji-name");
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toggle_reaction(emoji_name);
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};
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function round_off_to_previous_multiple(number_to_round, multiple) {
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return (number_to_round - (number_to_round % multiple));
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}
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function reset_emoji_showcase() {
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$(".emoji-showcase-container").html("");
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}
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function update_emoji_showcase($focused_emoji) {
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// Don't use jQuery's data() function here. It has the side-effect
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// of converting emoji names like :100:, :1234: etc to number.
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var focused_emoji_name = $focused_emoji.attr("data-emoji-name");
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var canonical_name = emoji.get_canonical_name(focused_emoji_name);
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var focused_emoji_dict = exports.emoji_collection[canonical_name];
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var emoji_dict = _.extend({}, focused_emoji_dict, {
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name: focused_emoji_name.replace(/_/g, ' '),
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});
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var rendered_showcase = templates.render("emoji_showcase", {
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emoji_dict: emoji_dict,
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});
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$(".emoji-showcase-container").html(rendered_showcase);
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}
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function may_be_change_focused_emoji(next_section, next_index, preserve_scroll) {
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var next_emoji = get_rendered_emoji(next_section, next_index);
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if (next_emoji) {
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current_section = next_section;
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current_index = next_index;
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if (!preserve_scroll) {
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next_emoji.focus();
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} else {
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var $emoji_map = $(".emoji-popover-emoji-map");
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var start = $emoji_map.scrollTop();
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next_emoji.focus();
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if ($emoji_map.scrollTop() !== start) {
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$emoji_map.scrollTop(start);
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}
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}
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update_emoji_showcase(next_emoji);
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return true;
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}
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return false;
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}
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function may_be_change_active_section(next_section) {
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if (next_section >= 0 && next_section < get_total_sections()) {
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current_section = next_section;
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current_index = 0;
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var offset = section_head_offsets[current_section];
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if (offset) {
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$(".emoji-popover-emoji-map").scrollTop(offset.position_y);
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may_be_change_focused_emoji(current_section, current_index);
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}
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}
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}
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function get_next_emoji_coordinates(move_by) {
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var next_section = current_section;
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var next_index = current_index + move_by;
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var max_len;
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if (next_index < 0) {
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next_section = next_section - 1;
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if (next_section >= 0) {
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next_index = get_max_index(next_section) - 1;
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if (move_by === -6) {
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max_len = get_max_index(next_section);
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var prev_multiple = round_off_to_previous_multiple(max_len, 6);
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next_index = prev_multiple + current_index;
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next_index = next_index >= max_len
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? (prev_multiple + current_index - 6)
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: next_index;
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}
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}
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} else if (next_index >= get_max_index(next_section)) {
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next_section = next_section + 1;
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if (next_section < get_total_sections()) {
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next_index = 0;
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if (move_by === 6) {
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max_len = get_max_index(next_index);
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next_index = current_index % 6;
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next_index = next_index >= max_len ? max_len - 1 : next_index;
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}
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}
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}
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return {
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section: next_section,
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index: next_index,
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};
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}
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function change_focus_to_filter() {
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$('.emoji-popover-filter').focus();
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// If search is active reset current selected emoji to first emoji.
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if (search_is_active) {
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current_section = 0;
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current_index = 0;
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}
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reset_emoji_showcase();
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}
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exports.navigate = function (event_name) {
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if (event_name === 'toggle_reactions_popover' && exports.reactions_popped() &&
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(search_is_active === false || search_results.length === 0)) {
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exports.hide_emoji_popover();
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return true;
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}
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// If search is active and results are empty then return immediately.
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if (search_is_active === true && search_results.length === 0) {
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return;
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}
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var selected_emoji = get_rendered_emoji(current_section, current_index);
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var is_filter_focused = $('.emoji-popover-filter').is(':focus');
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var next_section = 0;
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// special cases
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if (is_filter_focused) {
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// Move down into emoji map.
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var filter_text = $(".emoji-popover-filter").val();
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var is_cursor_at_end = $(".emoji-popover-filter").caret() === filter_text.length;
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if (event_name === "down_arrow" ||
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(is_cursor_at_end && event_name === "right_arrow")) {
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selected_emoji.focus();
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if (current_section === 0 && current_index < 6) {
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$(".emoji-popover-emoji-map").scrollTop(0);
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}
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update_emoji_showcase(selected_emoji);
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return true;
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}
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if (event_name === "tab") {
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selected_emoji.focus();
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update_emoji_showcase(selected_emoji);
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return true;
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}
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return false;
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} else if ((current_section === 0 && current_index < 6 && event_name === 'up_arrow') ||
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(current_section === 0 && current_index === 0 && event_name === 'left_arrow')) {
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if (selected_emoji) {
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// In this case, we're move up into the reaction
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// filter. Here, we override the default browser
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// behavior, which in Firefox is good (preserving
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// the cursor position) and in Chrome is bad (cursor
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// goes to beginning) with something reasonable and
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// consistent (cursor goes to the end of the filter
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// string).
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$('.emoji-popover-filter').focus().caret(Infinity);
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$(".emoji-popover-emoji-map").scrollTop(0);
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$(".emoji-search-results-container").scrollTop(0);
|
|
current_section = 0;
|
|
current_index = 0;
|
|
reset_emoji_showcase();
|
|
return true;
|
|
}
|
|
} else if (event_name === 'tab') {
|
|
change_focus_to_filter();
|
|
return true;
|
|
} else if (event_name === 'shift_tab') {
|
|
if (!is_filter_focused) {
|
|
change_focus_to_filter();
|
|
}
|
|
return true;
|
|
} else if (event_name === 'page_up') {
|
|
next_section = current_section - 1;
|
|
may_be_change_active_section(next_section);
|
|
return true;
|
|
} else if (event_name === 'page_down') {
|
|
next_section = current_section + 1;
|
|
may_be_change_active_section(next_section);
|
|
return true;
|
|
} else if (!is_filter_focused) {
|
|
var next_coord = {};
|
|
switch (event_name) {
|
|
case 'down_arrow':
|
|
next_coord = get_next_emoji_coordinates(6);
|
|
break;
|
|
case 'up_arrow':
|
|
next_coord = get_next_emoji_coordinates(-6);
|
|
break;
|
|
case 'left_arrow':
|
|
next_coord = get_next_emoji_coordinates(-1);
|
|
break;
|
|
case 'right_arrow':
|
|
next_coord = get_next_emoji_coordinates(1);
|
|
break;
|
|
}
|
|
return may_be_change_focused_emoji(next_coord.section, next_coord.index);
|
|
}
|
|
return false;
|
|
};
|
|
|
|
function process_keypress(e) {
|
|
var is_filter_focused = $('.emoji-popover-filter').is(':focus');
|
|
var pressed_key = e.which;
|
|
if (!is_filter_focused && pressed_key !== 58) {
|
|
// ':' => 58, is a hotkey for toggling reactions popover.
|
|
if (pressed_key >= 32 && pressed_key <= 126 || pressed_key === 8) {
|
|
// Handle only printable characters or backspace.
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
var emoji_filter = $('.emoji-popover-filter');
|
|
var old_query = emoji_filter.val();
|
|
var new_query = "";
|
|
|
|
if (pressed_key === 8) { // Handles backspace.
|
|
new_query = old_query.slice(0, -1);
|
|
} else { // Handles any printable character.
|
|
var key_str = String.fromCharCode(e.which);
|
|
new_query = old_query + key_str;
|
|
}
|
|
|
|
emoji_filter.val(new_query);
|
|
change_focus_to_filter();
|
|
filter_emojis();
|
|
}
|
|
}
|
|
}
|
|
|
|
exports.emoji_select_tab = function (elt) {
|
|
var scrolltop = elt.scrollTop();
|
|
var scrollheight = elt.prop('scrollHeight');
|
|
var elt_height = elt.height();
|
|
var currently_selected = "";
|
|
section_head_offsets.forEach(function (o) {
|
|
if (scrolltop + elt_height/2 >= o.position_y) {
|
|
currently_selected = o.section;
|
|
}
|
|
});
|
|
// Handles the corner case of the last category being
|
|
// smaller than half of the emoji picker height.
|
|
if (elt_height + scrolltop === scrollheight) {
|
|
currently_selected = section_head_offsets[section_head_offsets.length - 1].section;
|
|
}
|
|
// Handles the corner case of the scrolling back to top.
|
|
if (scrolltop === 0) {
|
|
currently_selected = section_head_offsets[0].section;
|
|
}
|
|
if (currently_selected) {
|
|
$('.emoji-popover-tab-item.active').removeClass('active');
|
|
$('.emoji-popover-tab-item[data-tab-name="'+currently_selected+'"]').addClass('active');
|
|
}
|
|
};
|
|
|
|
function register_popover_events(popover) {
|
|
var $emoji_map = popover.find('.emoji-popover-emoji-map');
|
|
|
|
$emoji_map.on("scroll", function () {
|
|
emoji_picker.emoji_select_tab($emoji_map);
|
|
});
|
|
|
|
$('.emoji-popover-filter').on('input', filter_emojis);
|
|
$('.emoji-popover-filter').keydown(maybe_select_emoji);
|
|
$('.emoji-popover').keypress(process_keypress);
|
|
$('.emoji-popover').keydown(function (e) {
|
|
// Because of cross-browser issues we need to handle backspace
|
|
// key separately. Firefox fires `keypress` event for backspace
|
|
// key but chrome doesn't so we need to trigger the logic for
|
|
// handling backspace in `keydown` event which is fired by both.
|
|
if (e.which === 8) {
|
|
process_keypress(e);
|
|
}
|
|
});
|
|
}
|
|
|
|
exports.render_emoji_popover = function (elt, id) {
|
|
var template_args = {
|
|
class: "emoji-info-popover",
|
|
};
|
|
var placement = popovers.compute_placement(elt, APPROX_HEIGHT, APPROX_WIDTH, true);
|
|
|
|
var template = templates.render('emoji_popover', template_args);
|
|
|
|
// if the window is mobile sized, add the `.popover-flex` wrapper to the emoji
|
|
// popover so that it will be wrapped in flex and centered in the screen.
|
|
if (window.innerWidth <= 768) {
|
|
template = "<div class='popover-flex'>" + template + "</div>";
|
|
}
|
|
|
|
elt.popover({
|
|
// temporary patch for handling popover placement of `viewport_center`
|
|
placement: placement === 'viewport_center' ? 'left' : placement,
|
|
template: template,
|
|
title: "",
|
|
content: generate_emoji_picker_content(id),
|
|
trigger: "manual",
|
|
});
|
|
elt.popover("show");
|
|
elt.prop("title", i18n.t("Add emoji reaction (:)"));
|
|
$('.emoji-popover-filter').focus();
|
|
ui.set_up_scrollbar($(".emoji-popover-emoji-map"));
|
|
ui.set_up_scrollbar($(".emoji-search-results-container"));
|
|
current_message_emoji_popover_elem = elt;
|
|
|
|
emoji_catalog_last_coordinates = {
|
|
section: 0,
|
|
index: 0,
|
|
};
|
|
show_emoji_catalog();
|
|
|
|
var popover = elt.data('popover').$tip;
|
|
refill_section_head_offsets(popover);
|
|
register_popover_events(popover);
|
|
};
|
|
|
|
exports.toggle_emoji_popover = function (element, id) {
|
|
var last_popover_elem = current_message_emoji_popover_elem;
|
|
popovers.hide_all();
|
|
if (last_popover_elem !== undefined
|
|
&& last_popover_elem.get()[0] === element) {
|
|
// We want it to be the case that a user can dismiss a popover
|
|
// by clicking on the same element that caused the popover.
|
|
return;
|
|
}
|
|
|
|
$(element).closest('.message_row').toggleClass('has_popover has_emoji_popover');
|
|
var elt = $(element);
|
|
if (id !== undefined) {
|
|
current_msg_list.select_id(id);
|
|
}
|
|
|
|
if (elt.data('popover') === undefined) {
|
|
// Keep the element over which the popover is based off visible.
|
|
elt.addClass("reaction_button_visible");
|
|
emoji_picker.render_emoji_popover(elt, id);
|
|
}
|
|
reset_emoji_showcase();
|
|
};
|
|
|
|
exports.register_click_handlers = function () {
|
|
|
|
$(document).on('click', '.emoji-popover-emoji.reaction', function () {
|
|
// When an emoji is clicked in the popover,
|
|
// if the user has reacted to this message with this emoji
|
|
// the reaction is removed
|
|
// otherwise, the reaction is added
|
|
var emoji_name = $(this).data("emoji-name");
|
|
toggle_reaction(emoji_name);
|
|
});
|
|
|
|
$(document).on('click', '.emoji-popover-emoji.composition', function (e) {
|
|
var emoji_name = $(this).data("emoji-name");
|
|
var emoji_text = ':' + emoji_name + ':';
|
|
compose_ui.insert_syntax_and_focus(emoji_text);
|
|
e.stopPropagation();
|
|
emoji_picker.hide_emoji_popover();
|
|
});
|
|
|
|
$("#compose").on("click", "#emoji_map", function (e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
emoji_picker.toggle_emoji_popover(this);
|
|
});
|
|
|
|
$("#main_div").on("click", ".reaction_button", function (e) {
|
|
e.stopPropagation();
|
|
|
|
var message_id = rows.get_message_id(this);
|
|
emoji_picker.toggle_emoji_popover(this, message_id);
|
|
});
|
|
|
|
$("body").on("click", ".actions_popover .reaction_button", function (e) {
|
|
var msgid = $(e.currentTarget).data('message-id');
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
// HACK: Because we need the popover to be based off an
|
|
// element that definitely exists in the page even if the
|
|
// message wasn't sent by us and thus the .reaction_hover
|
|
// element is not present, we use the message's
|
|
// .icon-vector-chevron-down element as the base for the popover.
|
|
var elem = $(".selected_message .actions_hover")[0];
|
|
emoji_picker.toggle_emoji_popover(elem, msgid);
|
|
});
|
|
|
|
$("body").on("click", ".emoji-popover-tab-item", function (e) {
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
var offset = _.find(section_head_offsets, function (o) {
|
|
return o.section === $(this).attr("data-tab-name");
|
|
}.bind(this));
|
|
|
|
if (offset) {
|
|
$(".emoji-popover-emoji-map").scrollTop(offset.position_y);
|
|
}
|
|
});
|
|
|
|
$("body").on("click", ".emoji-popover-filter", function () {
|
|
reset_emoji_showcase();
|
|
});
|
|
|
|
$("body").on("mouseenter", ".emoji-popover-emoji", function () {
|
|
var emoji_id = $(this).data("emoji-id");
|
|
var emoji_coordinates = get_emoji_coordinates(emoji_id);
|
|
|
|
may_be_change_focused_emoji(emoji_coordinates.section, emoji_coordinates.index, true);
|
|
});
|
|
};
|
|
|
|
exports.is_composition = function (emoji) {
|
|
return $(emoji).hasClass('composition');
|
|
};
|
|
|
|
exports.initialize = function () {
|
|
exports.generate_emoji_picker_data(emoji.active_realm_emojis);
|
|
};
|
|
|
|
return exports;
|
|
|
|
}());
|
|
|
|
if (typeof module !== 'undefined') {
|
|
module.exports = emoji_picker;
|
|
}
|