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/* Handle showing of new item count and polling the TT-RSS server. */
var last_updated = 0;
var feeds_last_updated = 0;
var prefs_last_updated = 0;
function param_escape(arg) {
if (typeof encodeURIComponent != 'undefined')
return encodeURIComponent(arg);
else
return escape(arg);
}
function update_feeds() {
console.log('feeds update');
var requestUrl = localStorage['site_url'] +
'/public.php?op=globalUpdateFeeds';
var xhr = new XMLHttpRequest();
xhr.open('POST', requestUrl, true);
xhr.send();
var d = new Date();
localStorage['last_feeds_updated'] = d.getTime();
}
function update() {
console.log('update');
var d = new Date();
var login = localStorage['login'];
var single_user = localStorage['single_user'];
if (single_user == '1') login = 'admin';
var requestUrl = localStorage['site_url'] + '/public.php';
var params = 'op=getUnread&fresh=1&login=' + param_escape(login);
var xhr = new XMLHttpRequest();
xhr.open('POST', requestUrl, true);
xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.send(params);
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
var icon = new Object();
var title = new Object();
var badge = new Object();
var badge_color = new Object();
// init stuff
icon.path = 'images/normal.png';
title.title = '';
badge.text = '';
badge_color.color = [0, 0, 0, 0];
var show_badge = localStorage['show_badge'] == '1';
var show_fresh = localStorage['show_fresh'] == '1';
if (xhr.status == 200) {
var response = xhr.responseText.split(';');
var unread = parseInt(response[0]);
if (isNaN(unread)) unread = 0;
var fresh;
if (response.length == 2)
fresh = parseInt(response[1]);
else
fresh = 0;
if (isNaN(fresh)) fresh = 0;
if (unread > 0) {
icon.path = 'images/alert.png';
title.title = 'You have %s unread articles.'.replace('%s', unread);
if (show_fresh && fresh > 0) {
badge.text = fresh + '';
badge_color.color = [0, 200, 0, 255];
} else {
badge.text = unread + '';
badge_color.color = [255, 0, 0, 255];
}
} else if (unread == -1) {
icon.path = 'images/error.png';
var errorMsg = xhr.responseText.split(';')[1];
title.title = 'Error: %s.'.replace('%s', errorMsg.trim());
} else {
title.title = 'You have no unread articles.';
}
localStorage['last_updated'] = d.getTime();
localStorage['last_error'] = '';
} else {
localStorage['last_error'] = xhr.responseText;
icon.path = 'images/error.png';
title.title = 'Error (%s) while updating.'.replace('%s', xhr.status);
}
if (!show_badge) badge.text = '';
chrome.browserAction.setBadgeBackgroundColor(badge_color);
chrome.browserAction.setBadgeText(badge);
chrome.browserAction.setTitle(title);
chrome.browserAction.setIcon(icon);
}
};
}
function timeout() {
var update_interval;
var prefs_updated;
var feeds_update_interval = 30 * 60 * 1000;
if (localStorage['update_interval'])
update_interval = localStorage['update_interval'] * 60 * 1000;
else
update_interval = 15 * 60 * 1000;
if (localStorage['prefs_updated'])
prefs_updated = localStorage['prefs_updated'];
else
prefs_updated = -1;
var d = new Date();
if (d.getTime() > last_updated + update_interval ||
prefs_updated != prefs_last_updated) {
last_updated = d.getTime();
try {
update();
} catch (e) {
console.warn(e);
}
}
if (localStorage['update_feeds'] == 1 &&
(d.getTime() > feeds_last_updated + feeds_update_interval ||
prefs_updated != prefs_last_updated)) {
feeds_last_updated = d.getTime();
try {
update_feeds();
} catch (e) {
console.warn(e);
}
}
prefs_last_updated = prefs_updated;
}
function is_newtab(url) {
return url.indexOf('chrome://newtab/') == 0;
}
function is_site_url(url) {
var site_url = localStorage['site_url'];
return url.indexOf(site_url) == 0;
}
function init() {
chrome.browserAction.onClicked.addListener(function() {
var site_url = localStorage['site_url'];
if (site_url) {
// try to find already opened tab
chrome.tabs.query({currentWindow: true}, function(tabs) {
var found_existing = false;
for (var i = 0, tab; tab = tabs[i]; i++) {
if (tab.url && is_site_url(tab.url)) {
chrome.tabs.update(tab.id, {highlighted: true});
update();
found_existing = true;
return;
}
}
// check if current tab is newtab (only if not updated yet)
if (!found_existing) {
chrome.tabs.query({currentWindow: true, active: true}, function(tabs) {
if (tabs[0].url && is_newtab(tabs[0].url)) {
chrome.tabs.update(tabs[0].id, {url: site_url});
} else {
chrome.tabs.create({url: site_url});
}
});
} // (if (!found_existing))
});
} // if (site_url)
});
// TODO: Create smarter algorithm that sets `periodInMinutes` to
// `feeds_update_interval` and updates the `alarm` object when extension
// preferences are saved.
timeout();
chrome.alarms.create({periodInMinutes: 1});
chrome.alarms.onAlarm.addListener(function() {timeout();});
}
init();
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