zulip/zephyr/static/js/notifications.js

114 lines
3.4 KiB
JavaScript

var notifications = (function () {
var exports = {};
var window_has_focus = true;
exports.initialize = function () {
if (!window.webkitNotifications) {
return;
}
$(window).focus(function () {
window_has_focus = true;
}).blur(function () {
window_has_focus = false;
});
$(document).click(function () {
if (!desktop_notifications_enabled) {
return;
}
if (window.webkitNotifications.checkPermission() !== 0) { // 0 is PERMISSION_ALLOWED
window.webkitNotifications.requestPermission();
}
});
};
function gravatar_url(message) {
return "https://secure.gravatar.com/avatar/" + message.gravatar_hash +
"?d=identicon&s=30?stamp=" + ui.get_gravatar_stamp();
}
var notice_memory = {};
function process_message(message) {
var i, notification_object;
var key = message.display_reply_to;
var title = message.sender_full_name;
var content = $('<div/>').html(message.content).text();
var other_recipients = message.display_reply_to;
var msg_count = 1;
// Remove the sender from the list of other recipients
other_recipients = other_recipients.replace(", " + message.sender_full_name, "");
other_recipients = other_recipients.replace(message.sender_full_name + ", ", "");
if (content.length > 150) {
// Truncate content at a word boundary
for (i = 150; i > 0; i--) {
if (content[i] === ' ') {
break;
}
}
content = content.substring(0, i);
content += " [...]";
}
if (notice_memory[key] !== undefined) {
msg_count = notice_memory[key].msg_count + 1;
title = msg_count + " messages from " + title;
notification_object = notice_memory[key].obj;
// We must remove the .onclose so that it does not trigger on .cancel
notification_object.onclose = function () {};
notification_object.onclick = function () {};
notification_object.cancel();
}
if (message.type === "huddle") {
// If the message has too many recipients to list them all...
if (content.length + title.length + other_recipients.length > 230) {
// Then count how many people are in the conversation and summarize
// by saying the conversation is with "you and [number] other people"
other_recipients = other_recipients.replace(/[^,]/g, "").length +
" other people";
}
title += " (to you and " + other_recipients + ")";
}
notice_memory[key] = {
obj: window.webkitNotifications.createNotification(
gravatar_url(message), title, content),
msg_count: msg_count
};
notification_object = notice_memory[key].obj;
notification_object.onclick = function () {
notification_object.cancel();
delete notice_memory[key];
};
notification_object.onclose = function () {
delete notice_memory[key];
};
notification_object.show();
}
exports.received_messages = function (messages) {
var i;
if (!window.webkitNotifications ||
!desktop_notifications_enabled ||
window_has_focus) {
return;
}
$.each(messages, function (index, message) {
if (message.sender_email !== email &&
(message.type === "personal" || message.type === "huddle")) {
process_message(message);
}
});
};
return exports;
}());