zulip/zephyr/static/js/activity.js

128 lines
3.4 KiB
JavaScript

var activity = (function () {
var exports = {};
/*
Helpers for detecting user activity and managing user idle states
*/
/* 15 minutes after no activity, idle regardless of focus */
var DEFAULT_IDLE_TIMEOUT_MS = 15 * 60 * 1000;
/* 1 minute between keep-alive pings */
var ACTIVE_PING_INTERVAL_MS = 60 * 1000;
/* Timeouts for away and idle state */
var AWAY_THRESHOLD_SECS = 5 * 60;
var IDLE_THRESHOLD_SECS = DEFAULT_IDLE_TIMEOUT_MS / 1000;
/* Keep in sync with views.py:json_update_active_status() */
var ACTIVE = "active";
var IDLE = "idle";
var has_focus = true;
var ping_timer;
function sort_users(users, user_info) {
// TODO sort by unread count first, once we support that
users.sort(function (a, b) {
if (user_info[a] === 'active' && user_info[b] !== 'active') {
return -1;
} else if (user_info[b] === 'active' && user_info[a] !== 'active') {
return 1;
}
if (user_info[a] === 'away' && user_info[b] !== 'away') {
return -1;
} else if (user_info[b] === 'away' && user_info[a] !== 'away') {
return 1;
}
// Sort equivalent PM names alphabetically
var full_name_a = a;
var full_name_b = b;
if (people_dict[a] !== undefined) {
full_name_a = people_dict[a].full_name;
}
if (people_dict[b] !== undefined) {
full_name_b = people_dict[b].full_name;
}
return full_name_a.localeCompare(full_name_b);
});
return users;
}
function focus_lost() {
if (!has_focus) {
return false;
}
has_focus = false;
clearInterval(ping_timer);
ping_timer = undefined;
$.post('/json/update_active_status', {status: IDLE});
}
function focus_ping() {
if (!has_focus) {
return;
}
$.post('/json/update_active_status', {status: ACTIVE}, function (data) {
var now = new Date().getTime() / 1000;
var user_info = {};
var users = [];
// Ping returns the active peer list
$.each(data.presences, function (this_email, presence) {
var age = -1;
if (presence.website !== undefined && presence.website.timestamp !== undefined) {
age = now - presence.website.timestamp;
}
if (email !== this_email) {
var status = 'idle';
if (presence.website !== undefined
&& presence.website.status === ACTIVE && age >= 0) {
if (age < AWAY_THRESHOLD_SECS) {
status = 'active';
} else if (age < IDLE_THRESHOLD_SECS) {
status = 'away';
}
}
user_info[this_email] = status;
}
});
users = sort_users(Object.keys(user_info), user_info);
ui.set_presence_list(users, user_info);
});
}
function focus_gained() {
if (!has_focus) {
has_focus = true;
ping_timer = setInterval(focus_ping, ACTIVE_PING_INTERVAL_MS);
focus_ping();
}
}
exports.initialize = function () {
$(window).focus(focus_gained);
$(window).idle({idle: DEFAULT_IDLE_TIMEOUT_MS,
onIdle: focus_lost,
onActive: focus_gained,
keepTracking: true});
ping_timer = setInterval(focus_ping, ACTIVE_PING_INTERVAL_MS);
focus_ping();
};
return exports;
}());