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689 lines
20 KiB
JavaScript
689 lines
20 KiB
JavaScript
const render_stream_privacy = require('../templates/stream_privacy.hbs');
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const render_stream_sidebar_row = require('../templates/stream_sidebar_row.hbs');
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const IntDict = require('./int_dict').IntDict;
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let has_scrolled = false;
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exports.update_count_in_dom = function (unread_count_elem, count) {
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const count_span = unread_count_elem.find('.count');
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const value_span = count_span.find('.value');
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if (count === 0) {
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count_span.hide();
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if (count_span.parent().hasClass("subscription_block")) {
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count_span.parent(".subscription_block").removeClass("stream-with-count");
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}
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value_span.text('');
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return;
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}
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count_span.show();
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if (count_span.parent().hasClass("subscription_block")) {
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count_span.parent(".subscription_block").addClass("stream-with-count");
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}
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value_span.text(count);
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};
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exports.stream_sidebar = (function () {
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const self = {};
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self.rows = new IntDict(); // stream id -> row widget
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self.set_row = function (stream_id, widget) {
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self.rows.set(stream_id, widget);
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};
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self.get_row = function (stream_id) {
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return self.rows.get(stream_id);
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};
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self.has_row_for = function (stream_id) {
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return self.rows.has(stream_id);
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};
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self.remove_row = function (stream_id) {
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// This only removes the row from our data structure.
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// Our caller should use build_stream_list() to re-draw
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// the sidebar, so that we don't have to deal with edge
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// cases like removing the last pinned stream (and removing
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// the divider).
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self.rows.delete(stream_id);
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};
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return self;
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}());
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function get_search_term() {
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const search_box = $(".stream-list-filter");
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const search_term = search_box.expectOne().val().trim();
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return search_term;
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}
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exports.remove_sidebar_row = function (stream_id) {
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exports.stream_sidebar.remove_row(stream_id);
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exports.build_stream_list();
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exports.stream_cursor.redraw();
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};
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exports.create_initial_sidebar_rows = function () {
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// This code is slightly opaque, but it ends up building
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// up list items and attaching them to the "sub" data
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// structures that are kept in stream_data.js.
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const subs = stream_data.subscribed_subs();
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_.each(subs, function (sub) {
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exports.create_sidebar_row(sub);
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});
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};
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exports.build_stream_list = function () {
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// This function assumes we have already created the individual
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// sidebar rows. Our job here is to build the bigger widget,
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// which largely is a matter of arranging the individual rows in
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// the right order.
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const streams = stream_data.subscribed_streams();
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if (streams.length === 0) {
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return;
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}
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// The main logic to build the list is in stream_sort.js, and
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// we get three lists of streams (pinned/normal/dormant).
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const stream_groups = stream_sort.sort_groups(streams, get_search_term());
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if (stream_groups.same_as_before) {
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return;
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}
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const parent = $('#stream_filters');
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const elems = [];
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function add_sidebar_li(stream) {
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const sub = stream_data.get_sub(stream);
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const sidebar_row = exports.stream_sidebar.get_row(sub.stream_id);
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sidebar_row.update_whether_active();
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elems.push(sidebar_row.get_li());
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}
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parent.empty();
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_.each(stream_groups.pinned_streams, add_sidebar_li);
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const any_pinned_streams = stream_groups.pinned_streams.length > 0;
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const any_normal_streams = stream_groups.normal_streams.length > 0;
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const any_dormant_streams = stream_groups.dormant_streams.length > 0;
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if (any_pinned_streams && (any_normal_streams || any_dormant_streams)) {
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elems.push('<hr class="stream-split">');
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}
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_.each(stream_groups.normal_streams, add_sidebar_li);
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if (any_dormant_streams && any_normal_streams) {
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elems.push('<hr class="stream-split">');
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}
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_.each(stream_groups.dormant_streams, add_sidebar_li);
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parent.append(elems);
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};
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exports.get_stream_li = function (stream_id) {
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const row = exports.stream_sidebar.get_row(stream_id);
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if (!row) {
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// Not all streams are in the sidebar, so we don't report
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// an error here, and it's up for the caller to error if
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// they expected otherwise.
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return;
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}
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const li = row.get_li();
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if (!li) {
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blueslip.error('Cannot find li for id ' + stream_id);
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return;
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}
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if (li.length > 1) {
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blueslip.error('stream_li has too many elements for ' + stream_id);
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return;
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}
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return li;
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};
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function stream_id_for_elt(elt) {
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return parseInt(elt.attr('data-stream-id'), 10);
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}
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exports.zoom_in_topics = function (options) {
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// This only does stream-related tasks related to zooming
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// in to more topics, which is basically hiding all the
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// other streams.
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$("#streams_list").expectOne().removeClass("zoom-out").addClass("zoom-in");
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// Hide stream list titles and pinned stream splitter
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$(".stream-filters-label").each(function () {
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$(this).hide();
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});
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$(".stream-split").each(function () {
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$(this).hide();
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});
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$("#stream_filters li.narrow-filter").each(function () {
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const elt = $(this);
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const stream_id = options.stream_id;
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if (stream_id_for_elt(elt) === stream_id) {
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elt.show();
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} else {
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elt.hide();
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}
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});
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};
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exports.zoom_out_topics = function () {
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// Show stream list titles and pinned stream splitter
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$(".stream-filters-label").each(function () {
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$(this).show();
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});
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$(".stream-split").each(function () {
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$(this).show();
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});
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$("#streams_list").expectOne().removeClass("zoom-in").addClass("zoom-out");
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$("#stream_filters li.narrow-filter").show();
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};
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exports.set_in_home_view = function (stream_id, in_home) {
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const li = exports.get_stream_li(stream_id);
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if (!li) {
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blueslip.error('passed in bad stream id ' + stream_id);
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return;
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}
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if (in_home) {
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li.removeClass("out_of_home_view");
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} else {
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li.addClass("out_of_home_view");
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}
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};
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function build_stream_sidebar_li(sub) {
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const name = sub.name;
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const args = {
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name: name,
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id: sub.stream_id,
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uri: hash_util.by_stream_uri(sub.stream_id),
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is_muted: stream_data.is_muted(sub.stream_id) === true,
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invite_only: sub.invite_only,
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is_web_public: sub.is_web_public,
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color: sub.color,
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pin_to_top: sub.pin_to_top,
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};
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args.dark_background = stream_color.get_color_class(args.color);
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const list_item = $(render_stream_sidebar_row(args));
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return list_item;
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}
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function build_stream_sidebar_row(sub) {
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const self = {};
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const list_item = build_stream_sidebar_li(sub);
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self.update_whether_active = function () {
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if (stream_data.is_active(sub) || sub.pin_to_top === true) {
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list_item.removeClass('inactive_stream');
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} else {
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list_item.addClass('inactive_stream');
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}
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};
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self.get_li = function () {
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return list_item;
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};
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self.remove = function () {
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list_item.remove();
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};
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self.update_unread_count = function () {
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const count = unread.num_unread_for_stream(sub.stream_id);
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exports.update_count_in_dom(list_item, count);
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};
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self.update_unread_count();
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exports.stream_sidebar.set_row(sub.stream_id, self);
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}
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exports.create_sidebar_row = function (sub) {
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if (exports.stream_sidebar.has_row_for(sub.stream_id)) {
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// already exists
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blueslip.warn('Dup try to build sidebar row for stream ' + sub.stream_id);
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return;
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}
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build_stream_sidebar_row(sub);
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};
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exports.redraw_stream_privacy = function (sub) {
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const li = exports.get_stream_li(sub.stream_id);
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if (!li) {
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// We don't want to raise error here, if we can't find stream in subscription
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// stream list. Cause we allow org admin to update stream privacy
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// even if they don't subscribe to public stream.
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return;
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}
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const div = li.find('.stream-privacy');
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const dark_background = stream_color.get_color_class(sub.color);
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const args = {
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invite_only: sub.invite_only,
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dark_background: dark_background,
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};
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const html = render_stream_privacy(args);
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div.html(html);
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};
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function set_stream_unread_count(stream_id, count) {
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const unread_count_elem = exports.get_stream_li(stream_id);
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if (!unread_count_elem) {
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// This can happen for legitimate reasons, but we warn
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// just in case.
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blueslip.warn('stream id no longer in sidebar: ' + stream_id);
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return;
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}
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exports.update_count_in_dom(unread_count_elem, count);
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}
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exports.update_streams_sidebar = function () {
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const finish = blueslip.start_timing('build_stream_list');
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exports.build_stream_list();
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finish();
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exports.stream_cursor.redraw();
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if (!narrow_state.active()) {
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return;
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}
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const filter = narrow_state.filter();
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exports.update_stream_sidebar_for_narrow(filter);
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};
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exports.update_dom_with_unread_counts = function (counts) {
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// counts.stream_count maps streams to counts
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counts.stream_count.each(function (count, stream_id) {
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set_stream_unread_count(stream_id, count);
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});
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// counts.topic_count maps streams to hashes of topics to counts
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counts.topic_count.each(function (topic_hash, stream_id) {
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// Because the topic_list data structure doesn't keep track of
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// which topics the "more topics" unread count came from, we
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// need to compute the correct value from scratch here.
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let more_topics_total = 0;
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topic_hash.each(function (count, topic) {
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const in_more_topics = topic_list.set_count(stream_id, topic, count);
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if (in_more_topics === true) {
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more_topics_total += count;
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}
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});
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if (topic_list.active_stream_id() === stream_id) {
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// Update the "more topics" unread count; we communicate
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// this to the `topic_list` library by passing `null` as
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// the topic.
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topic_list.set_count(stream_id, null, more_topics_total);
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}
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});
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};
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exports.rename_stream = function (sub) {
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// The sub object is expected to already have the updated name
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build_stream_sidebar_row(sub);
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exports.update_streams_sidebar(); // big hammer
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};
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exports.refresh_pinned_or_unpinned_stream = function (sub) {
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// Pinned/unpinned streams require re-ordering.
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// We use kind of brute force now, which is probably fine.
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build_stream_sidebar_row(sub);
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exports.update_streams_sidebar();
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// Only scroll pinned topics into view. If we're unpinning
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// a topic, we may be literally trying to get it out of
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// our sight.
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if (sub.pin_to_top) {
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const stream_li = exports.get_stream_li(sub.stream_id);
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if (!stream_li) {
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blueslip.error('passed in bad stream id ' + sub.stream_id);
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return;
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}
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exports.scroll_stream_into_view(stream_li);
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}
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};
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exports.get_sidebar_stream_topic_info = function (filter) {
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const result = {
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stream_id: undefined,
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topic_selected: false,
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};
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const op_stream = filter.operands('stream');
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if (op_stream.length === 0) {
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return result;
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}
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const stream_name = op_stream[0];
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const stream_id = stream_data.get_stream_id(stream_name);
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if (!stream_id) {
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return result;
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}
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if (!stream_data.id_is_subscribed(stream_id)) {
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return result;
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}
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result.stream_id = stream_id;
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const op_topic = filter.operands('topic');
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result.topic_selected = op_topic.length === 1;
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return result;
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};
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function deselect_stream_items() {
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$("ul#stream_filters li").removeClass('active-filter active-sub-filter');
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}
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exports.update_stream_sidebar_for_narrow = function (filter) {
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const info = exports.get_sidebar_stream_topic_info(filter);
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deselect_stream_items();
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const stream_id = info.stream_id;
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if (!stream_id) {
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topic_zoom.clear_topics();
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return;
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}
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const stream_li = exports.get_stream_li(stream_id);
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if (!stream_li) {
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// It should be the case then when we have a subscribed
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// stream, there will always be a stream list item
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// corresponding to that stream in our sidebar. We have
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// evidence that this assumption breaks down for some users,
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// but we are not clear why it happens.
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blueslip.error('No stream_li for subscribed stream ' + stream_id);
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topic_zoom.clear_topics();
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return;
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}
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if (!info.topic_selected) {
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stream_li.addClass('active-filter');
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}
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if (stream_id !== topic_list.active_stream_id()) {
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topic_zoom.clear_topics();
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}
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topic_list.rebuild(stream_li, stream_id);
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return stream_li;
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};
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exports.handle_narrow_activated = function (filter) {
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const stream_li = exports.update_stream_sidebar_for_narrow(filter);
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if (stream_li) {
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exports.scroll_stream_into_view(stream_li);
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}
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};
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exports.handle_narrow_deactivated = function () {
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deselect_stream_items();
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topic_zoom.clear_topics();
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};
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function focus_stream_filter(e) {
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exports.stream_cursor.reset();
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e.stopPropagation();
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}
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function keydown_enter_key() {
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const stream_id = exports.stream_cursor.get_key();
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if (stream_id === undefined) {
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// This can happen for empty searches, no need to warn.
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return;
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}
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const sub = stream_data.get_sub_by_id(stream_id);
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if (sub === undefined) {
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blueslip.error('Unknown stream_id for search/enter: ' + stream_id);
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return;
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}
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exports.clear_and_hide_search();
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narrow.by('stream', sub.name, {trigger: 'sidebar enter key'});
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}
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function actually_update_streams_for_search() {
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exports.update_streams_sidebar();
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resize.resize_page_components();
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exports.stream_cursor.reset();
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}
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const update_streams_for_search = _.throttle(actually_update_streams_for_search, 50);
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exports.initialize = function () {
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exports.create_initial_sidebar_rows();
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// We build the stream_list now. It may get re-built again very shortly
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// when new messages come in, but it's fairly quick.
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exports.build_stream_list();
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exports.set_event_handlers();
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};
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exports.set_event_handlers = function () {
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$(document).on('subscription_add_done.zulip', function (event) {
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exports.create_sidebar_row(event.sub);
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exports.build_stream_list();
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exports.stream_cursor.redraw();
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});
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$(document).on('subscription_remove_done.zulip', function (event) {
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exports.remove_sidebar_row(event.sub.stream_id);
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});
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$('#stream_filters').on('click', 'li .subscription_block', function (e) {
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if (e.metaKey || e.ctrlKey) {
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return;
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}
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const stream_id = stream_id_for_elt($(e.target).parents('li'));
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const sub = stream_data.get_sub_by_id(stream_id);
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popovers.hide_all();
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narrow.by('stream', sub.name, {trigger: 'sidebar'});
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exports.clear_and_hide_search();
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e.preventDefault();
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e.stopPropagation();
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});
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$('#clear_search_stream_button').on('click', exports.clear_search);
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$("#streams_header").expectOne().click(function (e) {
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exports.toggle_filter_displayed(e);
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});
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// check for user scrolls on streams list for first time
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ui.get_scroll_element($('#stream-filters-container')).on('scroll', function () {
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has_scrolled = true;
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// remove listener once user has scrolled
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$(this).off('scroll');
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});
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exports.stream_cursor = list_cursor({
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list: {
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scroll_container_sel: '#stream-filters-container',
|
|
find_li: function (opts) {
|
|
const stream_id = opts.key;
|
|
const li = exports.get_stream_li(stream_id);
|
|
return li;
|
|
},
|
|
first_key: stream_sort.first_stream_id,
|
|
prev_key: stream_sort.prev_stream_id,
|
|
next_key: stream_sort.next_stream_id,
|
|
},
|
|
highlight_class: 'highlighted_stream',
|
|
});
|
|
|
|
const $search_input = $('.stream-list-filter').expectOne();
|
|
|
|
keydown_util.handle({
|
|
elem: $search_input,
|
|
handlers: {
|
|
enter_key: function () {
|
|
keydown_enter_key();
|
|
return true;
|
|
},
|
|
up_arrow: function () {
|
|
exports.stream_cursor.prev();
|
|
return true;
|
|
},
|
|
down_arrow: function () {
|
|
exports.stream_cursor.next();
|
|
return true;
|
|
},
|
|
},
|
|
});
|
|
|
|
$search_input.on('click', focus_stream_filter);
|
|
$search_input.on('focusout', exports.stream_cursor.clear);
|
|
$search_input.on('input', update_streams_for_search);
|
|
};
|
|
|
|
exports.searching = function () {
|
|
return $('.stream-list-filter').expectOne().is(':focus');
|
|
};
|
|
|
|
exports.escape_search = function () {
|
|
const filter = $('.stream-list-filter').expectOne();
|
|
if (filter.val() === '') {
|
|
exports.clear_and_hide_search();
|
|
return;
|
|
}
|
|
filter.val('');
|
|
update_streams_for_search();
|
|
};
|
|
|
|
exports.clear_search = function (e) {
|
|
e.stopPropagation();
|
|
const filter = $('.stream-list-filter').expectOne();
|
|
if (filter.val() === '') {
|
|
exports.clear_and_hide_search();
|
|
return;
|
|
}
|
|
filter.val('');
|
|
filter.blur();
|
|
update_streams_for_search();
|
|
};
|
|
|
|
exports.show_search_section = function () {
|
|
$('.stream_search_section').expectOne().removeClass('notdisplayed');
|
|
resize.resize_stream_filters_container();
|
|
};
|
|
|
|
exports.hide_search_section = function () {
|
|
$('.stream_search_section').expectOne().addClass('notdisplayed');
|
|
resize.resize_stream_filters_container();
|
|
};
|
|
|
|
exports.initiate_search = function () {
|
|
exports.show_search_section();
|
|
|
|
const filter = $('.stream-list-filter').expectOne();
|
|
|
|
if (!$(".app-main .column-left").hasClass("expanded")) {
|
|
popovers.hide_all();
|
|
stream_popover.show_streamlist_sidebar();
|
|
}
|
|
filter.focus();
|
|
|
|
exports.stream_cursor.reset();
|
|
};
|
|
|
|
exports.clear_and_hide_search = function () {
|
|
const filter = $('.stream-list-filter');
|
|
if (filter.val() !== '') {
|
|
filter.val('');
|
|
update_streams_for_search();
|
|
}
|
|
exports.stream_cursor.clear();
|
|
filter.blur();
|
|
|
|
exports.hide_search_section();
|
|
};
|
|
|
|
exports.toggle_filter_displayed = function (e) {
|
|
if ($('.stream_search_section.notdisplayed').length === 0) {
|
|
exports.clear_and_hide_search();
|
|
} else {
|
|
exports.initiate_search();
|
|
}
|
|
e.preventDefault();
|
|
};
|
|
|
|
exports.scroll_stream_into_view = function (stream_li) {
|
|
const container = $('#stream-filters-container');
|
|
|
|
if (stream_li.length !== 1) {
|
|
blueslip.error('Invalid stream_li was passed in');
|
|
return;
|
|
}
|
|
|
|
scroll_util.scroll_element_into_container(stream_li, container);
|
|
};
|
|
|
|
exports.maybe_scroll_narrow_into_view = function () {
|
|
// we don't want to interfere with user scrolling once the page loads
|
|
if (has_scrolled) {
|
|
return;
|
|
}
|
|
|
|
const stream_li = exports.get_current_stream_li();
|
|
if (stream_li) {
|
|
exports.scroll_stream_into_view(stream_li);
|
|
}
|
|
};
|
|
|
|
exports.get_current_stream_li = function () {
|
|
const stream_id = topic_list.active_stream_id();
|
|
|
|
if (!stream_id) {
|
|
// stream_id is undefined in non-stream narrows
|
|
return;
|
|
}
|
|
|
|
const stream_li = exports.get_stream_li(stream_id);
|
|
|
|
if (!stream_li) {
|
|
// This code path shouldn't ever be reached.
|
|
blueslip.warn('No active stream_li found for defined id ' + stream_id);
|
|
return;
|
|
}
|
|
|
|
return stream_li;
|
|
};
|
|
|
|
window.stream_list = exports;
|