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background.js
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
importScripts("common.js");
const browser = chrome;
const BLOCKABLE_URL = /^(http|file|chrome|edge|extension)/i;
const CLOCKABLE_URL = /^(http|file)/i;
const EXTENSION_URL = browser.runtime.getURL("");
const BLOCKED_PAGE_URL = browser.runtime.getURL(BLOCKED_PAGE);
const DELAYED_PAGE_URL = browser.runtime.getURL(DELAYED_PAGE);
function log(message) { console.log("[LBNG] " + message); }
function warn(message) { console.warn("[LBNG] " + message); }
var gStorage = browser.storage.local;
var gIsAndroid = false;
var gGotOptions = false;
var gOptions = {};
var gDiagMode = false;
var gNumSets;
var gTabs = [];
var gSetCounted = [];
var gSavedTimeData = [];
var gRegExps = [];
var gActiveTabId = 0;
var gPrevActiveTabId = 0;
var gFocusWindowId = 0;
var gClockOffset = 0;
var gIgnoreJumpSecs = 0;
var gAllFocused = false;
var gUseDocFocus = true;
var gOverrideIcon = false;
var gSaveSecsCount = 0;
// Initialize object to track tab (returns false if already initialized)
//
function initTab(id) {
if (gTabs[id]) {
return false;
} else {
gTabs[id] = {
allowedHost: null,
allowedPath: null,
allowedSet: 0,
allowedEndTime: 0,
referrer: "",
url: "about:blank",
incog: false,
audible: false,
focused: false,
loaded: false,
loadedTime: 0
};
return true;
}
}
// Create (precompile) regular expressions
//
function createRegExps() {
// Create new RegExp objects
for (let set = 1; set <= gNumSets; set++) {
gRegExps[set] = {};
let blockRE = gOptions[`regexpBlock${set}`] || gOptions[`blockRE${set}`];
gRegExps[set].block = blockRE ? new RegExp(blockRE, "i") : null;
let allowRE = gOptions[`regexpAllow${set}`] || gOptions[`allowRE${set}`];
gRegExps[set].allow = allowRE ? new RegExp(allowRE, "i") : null;
let referRE = gOptions[`referRE${set}`];
gRegExps[set].refer = referRE ? new RegExp(referRE, "i") : null;
let keywordRE = gOptions[`keywordRE${set}`];
gRegExps[set].keyword = keywordRE; // Chrome workaround
}
}
// Test URL against block/allow regular expressions
//
function testURL(url, referrer, blockRE, allowRE, referRE, allowRefers) {
let block = blockRE && blockRE.test(url);
let allow = allowRE && allowRE.test(url);
let refer = referRE && referRE.test(referrer);
return allowRefers
? block && !(allow || refer) // refer as allow-condition
: (block || refer) && !allow; // refer as block-condition
}
// Refresh menus
//
function refreshMenus() {
if (!browser.contextMenus) {
return; // no support for menus!
}
browser.contextMenus.removeAll();
let context = gOptions["contextMenu"] ? "all" : "action";
// Options
browser.contextMenus.create({
id: "options",
title: browser.i18n.getMessage("optionsMenuItem"),
contexts: [context]
});
// Lockdown
browser.contextMenus.create({
id: "lockdown",
title: browser.i18n.getMessage("lockdownMenuItem"),
contexts: [context]
});
// Override
browser.contextMenus.create({
id: "override",
title: browser.i18n.getMessage("overrideMenuItem"),
contexts: [context]
});
// Statistics
browser.contextMenus.create({
id: "stats",
title: browser.i18n.getMessage("statisticsMenuItem"),
contexts: [context]
});
browser.contextMenus.create({
id: "separator",
type: "separator",
contexts: [context]
});
// Add Site
browser.contextMenus.create({
id: "addSite",
title: browser.i18n.getMessage("addSiteMenuItem"),
contexts: [context]
});
// Add Site submenu
for (let set = 1; set <= gNumSets; set++) {
let title = browser.i18n.getMessage("addSiteToBlockSetMenuItem");
let setName = gOptions[`setName${set}`];
title += setName ? ` ${set} (${setName})` : ` ${set}`;
browser.contextMenus.create({
id: `addSite-${set}`,
parentId: "addSite",
title: title,
contexts: [context]
});
}
// Add Page
browser.contextMenus.create({
id: "addPage",
title: browser.i18n.getMessage("addPageMenuItem"),
contexts: [context]
});
// Add Page submenu
for (let set = 1; set <= gNumSets; set++) {
let title = browser.i18n.getMessage("addPageToBlockSetMenuItem");
let setName = gOptions[`setName${set}`];
title += setName ? ` ${set} (${setName})` : ` ${set}`;
browser.contextMenus.create({
id: `addPage-${set}`,
parentId: "addPage",
title: title,
contexts: [context]
});
}
}
// Refresh ticker for updates
//
function refreshTicker() {
let processTabsSecs = +gOptions["processTabsSecs"];
// Send message to ticker (offscreen document)
browser.runtime.sendMessage({ type: "ticker", tickerSecs: processTabsSecs });
}
// Retrieve options from storage
//
function retrieveOptions(update) {
//log("retrieveOptions: " + update);
browser.storage.local.get("sync").then(onGotSync, onError);
function onGotSync(options) {
gStorage = options["sync"]
? browser.storage.sync
: browser.storage.local;
gStorage.get().then(onGot, onError);
}
function onGot(options) {
// Copy retrieved options (exclude timedata if update)
for (let option in options) {
if (!update || !/^timedata/.test(option)) {
gOptions[option] = options[option];
}
}
gGotOptions = true;
cleanOptions(gOptions);
cleanTimeData(gOptions);
gDiagMode = gOptions["diagMode"];
gNumSets = +gOptions["numSets"];
gClockOffset = +gOptions["clockOffset"];
gIgnoreJumpSecs = +gOptions["ignoreJumpSecs"];
gAllFocused = gOptions["allFocused"];
gUseDocFocus = gOptions["useDocFocus"];
createRegExps();
refreshMenus();
refreshTicker();
loadSiteLists();
updateIcon();
// Keep track of saved time data to avoid unnecessary writes
for (let set = 1; set <= gNumSets; set++) {
gSavedTimeData[set] = gOptions[`timedata${set}`].toString();
}
}
function onError(error) {
gGotOptions = false;
warn("Cannot get options: " + error);
}
}
// Load lists of sites if URLs specified
//
function loadSiteLists() {
//log("loadSiteLists");
let time = Date.now();
for (let set = 1; set <= gNumSets; set++) {
// Get sites for block set from HTTP source (if specified)
let sitesURL = gOptions[`sitesURL${set}`];
if (sitesURL) {
sitesURL = sitesURL.replace(/\$S/, set).replace(/\$T/, time);
fetch(sitesURL).then(
(response) => {
if (response.status == 200) {
response.text().then((text) => { onLoad(set, text); });
} else {
warn("Cannot load sites from URL: " + sitesURL);
}
},
(reason) => {
warn("Cannot load sites from URL: " + sitesURL);
});
}
}
function onLoad(set, sites) {
if (set && sites) {
sites = cleanSites(sites);
// Get regular expressions to match sites
let regexps = getRegExpSites(sites, gOptions["matchSubdomains"]);
// Update options
gOptions[`sites${set}`] = sites;
gOptions[`blockRE${set}`] = regexps.block;
gOptions[`allowRE${set}`] = regexps.allow;
gOptions[`referRE${set}`] = regexps.refer;
gOptions[`keywordRE${set}`] = regexps.keyword;
createRegExps();
// Save updated options to local storage
let options = {};
options[`sites${set}`] = sites;
options[`blockRE${set}`] = regexps.block;
options[`allowRE${set}`] = regexps.allow;
options[`referRE${set}`] = regexps.refer;
options[`keywordRE${set}`] = regexps.keyword;
gStorage.set(options).catch(
function (error) { warn("Cannot set options: " + error); }
);
}
}
}
// Save time data to storage
//
function saveTimeData() {
//log("saveTimeData");
if (!gGotOptions) {
return;
}
let options = {};
let touched = false;
for (let set = 1; set <= gNumSets; set++) {
let timedata = gOptions[`timedata${set}`];
if (gSavedTimeData[set] != timedata.toString()) {
options[`timedata${set}`] = timedata;
gSavedTimeData[set] = timedata.toString();
touched = true;
}
}
if (touched) {
gStorage.set(options).catch(
function (error) { warn("Cannot save time data: " + error); }
);
}
}
// Restart time data
//
function restartTimeData(set) {
//log("restartTimeData: " + set);
if (!gGotOptions || set < 0 || set > gNumSets) {
return;
}
// Get current time in seconds
let now = Math.floor(Date.now() / 1000) + (gClockOffset * 60);
if (!set) {
for (set = 1; set <= gNumSets; set++) {
gOptions[`timedata${set}`][0] = now;
gOptions[`timedata${set}`][1] = 0;
}
} else {
gOptions[`timedata${set}`][0] = now;
gOptions[`timedata${set}`][1] = 0;
}
saveTimeData();
}
// Reorder time data
//
function reorderTimeData(ordering) {
//log("reorderTimeData: " + ordering);
if (!ordering) {
return;
}
// Create copy of time data for each set
let timedata = [];
for (let set = 1; set <= gNumSets; set++) {
timedata[set] = gOptions[`timedata${set}`].slice();
}
// Reorder time data according to specified ordering
for (let set = 1; set <= gNumSets; set++) {
if (ordering[set] <= gNumSets) {
gOptions[`timedata${set}`] = timedata[ordering[set]];
}
}
saveTimeData();
}
// Update ID of focused window
//
function updateFocusedWindowId() {
if (!browser.windows) {
return; // no support for windows!
}
browser.windows.getCurrent().then(
function (win) {
gFocusWindowId = win.focused ? win.id : browser.windows.WINDOW_ID_NONE;
},
function (error) {
warn("Cannot get current window: " + error);
}
);
}
// Process tabs: update time spent and check for blocks
//
function processTabs(active) {
//log("processTabs: " + active);
gSetCounted = []; // reset
if (active) {
// Process only active tabs
browser.tabs.query({ active: true }).then(onGot, onError);
} else {
// Process all tabs
browser.tabs.query({}).then(onGot, onError);
}
function onGot(tabs) {
for (let tab of tabs) {
initTab(tab.id);
let focus = tab.active && (gAllFocused || !gFocusWindowId || tab.windowId == gFocusWindowId)
&& (!gIsAndroid || !gUseDocFocus || gTabs[tab.id].focused);
gTabs[tab.id].incog = tab.incognito;
gTabs[tab.id].audible = tab.audible;
// Force update of time spent on this page
clockPageTime(tab.id, false, false);
clockPageTime(tab.id, true, focus);
if (/^(chrome|edge|extension)/i.test(tab.url)) {
gTabs[tab.id].loaded = true;
gTabs[tab.id].loadedTime = Date.now();
gTabs[tab.id].url = getCleanURL(tab.url);
}
if (gTabs[tab.id].loaded) {
// Check tab to see if page should be blocked
let blocked = checkTab(tab.id, false, true);
if (!blocked && tab.active) {
updateTimer(tab.id);
}
} else if (CLOCKABLE_URL.test(tab.url)) {
// Ping tab to see if content script has loaded
let message = { type: "ping" };
browser.tabs.sendMessage(tab.id, message).catch(function (error) {});
}
}
}
function onError(error) {
warn("Cannot get tabs: " + error);
}
}
// Check the URL of a tab and applies block if necessary (returns true if blocked)
//
function checkTab(id, isBeforeNav, isRepeat) {
//log("checkTab: " + id + " " + isBeforeNav + " " + isRepeat);
function isSameHost(host1, host2) {
return (host1 == host2)
|| (host1 == "www." + host2)
|| (host2 == "www." + host1);
}
let url = gTabs[id].url;
gTabs[id].blockable = BLOCKABLE_URL.test(url);
gTabs[id].clockable = CLOCKABLE_URL.test(url);
// Quick exit for the following cases:
// - about:blank
// - non-blockable URLs
// - blocking/delaying pages
// - LeechBlock website (documentation should be available by default)
if (url == "about:blank"
|| !gTabs[id].blockable
|| url.startsWith(BLOCKED_PAGE_URL)
|| url.startsWith(DELAYED_PAGE_URL)
|| (url.startsWith(LEECHBLOCK_URL) && gOptions["allowLBWebsite"])) {
return false; // not blocked
}
// Get parsed URL for this page
let parsedURL = getParsedURL(url);
// Get current time in seconds
let now = Math.floor(Date.now() / 1000) + (gClockOffset * 60);
// Check for allowed host/path (or end of allowed time)
let allowHost = isSameHost(gTabs[id].allowedHost, parsedURL.host);
let allowPath = !gTabs[id].allowedPath || (gTabs[id].allowedPath == parsedURL.path);
let allowedSet = gTabs[id].allowedSet;
let allowedEndTime = gTabs[id].allowedEndTime;
if (!allowHost || !allowPath || (allowedEndTime && now > allowedEndTime)) {
// Allowing delayed site/page no longer applies
gTabs[id].allowedHost = null;
gTabs[id].allowedPath = null;
gTabs[id].allowedSet = 0;
gTabs[id].allowedEndTime = 0;
}
// Get referrer URL for this page
let referrer = gTabs[id].referrer;
// Get current time/date
let timedate = new Date(now * 1000);
// Get override end time
let overrideEndTime = gOptions["oret"];
gTabs[id].secsLeft = Infinity;
gTabs[id].secsLeftSet = 0;
gTabs[id].showTimer = false;
for (let set = 1; set <= gNumSets; set++) {
// Do nothing if set is disabled
if (gOptions[`disable${set}`]) continue;
if (allowHost && allowPath && allowedSet == set) {
// Allow delayed site/page
let secsLeft = allowedEndTime - now;
if (secsLeft > 0) {
gTabs[id].secsLeft = secsLeft;
gTabs[id].secsLeftSet = set;
gTabs[id].showTimer = gOptions[`showTimer${set}`];
}
continue;
}
// Check incognito mode
let incogMode = gOptions[`incogMode${set}`];
let incog = gTabs[id].incog;
if ((incogMode == 1 && incog) || (incogMode == 2 && !incog)) continue;
// Check for wait time (if specified)
let waitSecs = gOptions[`waitSecs${set}`];
let loadedTime = gTabs[id].loadedTime;
if (waitSecs && loadedTime) {
let loadTime = Math.floor(loadedTime / 1000) + (gClockOffset * 60);
if ((now - loadTime) < waitSecs) continue; // too soon to check for block!
}
// Get URL of page (possibly with hash part)
let pageURL = parsedURL.page;
let pageURLWithHash = parsedURL.page;
if (parsedURL.hash != null) {
pageURLWithHash += "#" + parsedURL.hash;
if (/^!/.test(parsedURL.hash) || !gOptions[`ignoreHash${set}`]) {
pageURL = pageURLWithHash;
}
}
let isInternalPage = /^[a-z]+:\/\/(extensions|settings)/i.test(pageURL);
// Get regular expressions for matching sites to block/allow
let blockRE = gRegExps[set].block;
let allowRE = gRegExps[set].allow;
let referRE = gRegExps[set].refer;
let keywordRE = gRegExps[set].keyword;
if (!blockRE && !referRE) continue; // no block for this set
if (keywordRE && !isInternalPage && isBeforeNav) continue; // too soon to check for keywords!
// Get option for treating referrers as allow-conditions
let allowRefers = gOptions[`allowRefers${set}`];
if (referRE && allowRefers && isBeforeNav) continue; // too soon to check for referrers!
// Get options for preventing access to extensions/settings pages
let prevExts = gOptions[`prevExts${set}`];
let prevSettings = gOptions[`prevSettings${set}`];
let prevOverride = gOptions[`prevOverride${set}`];
// Test URL against block/allow regular expressions
if (testURL(pageURL, referrer, blockRE, allowRE, referRE, allowRefers)
|| (prevExts && /^[a-z]+:\/\/extensions/i.test(pageURL))
|| (prevSettings && /^[a-z]+:\/\/settings/i.test(pageURL))) {
// Get options for this set
let timedata = gOptions[`timedata${set}`];
let times = gOptions[`times${set}`];
let minPeriods = getMinPeriods(times);
let limitMins = gOptions[`limitMins${set}`];
let limitPeriod = gOptions[`limitPeriod${set}`];
let limitOffset = gOptions[`limitOffset${set}`];
let periodStart = getTimePeriodStart(now, limitPeriod, limitOffset);
let rollover = gOptions[`rollover${set}`];
let conjMode = gOptions[`conjMode${set}`];
let days = gOptions[`days${set}`];
let blockURL = gOptions[`blockURL${set}`];
let applyFilter = gOptions[`applyFilter${set}`];
let filterName = gOptions[`filterName${set}`];
let filterMute = gOptions[`filterMute${set}`];
let closeTab = gOptions[`closeTab${set}`];
let activeBlock = gOptions[`activeBlock${set}`];
let addHistory = gOptions[`addHistory${set}`];
let allowOverride = gOptions[`allowOverride${set}`];
let allowOverLock = gOptions[`allowOverLock${set}`];
let showTimer = gOptions[`showTimer${set}`];
let allowKeywords = gOptions[`allowKeywords${set}`];
updateRolloverTime(timedata, limitMins, limitPeriod, periodStart);
// Check day
let onSelectedDay = days[timedate.getDay()];
// Check time periods
let secsLeftBeforePeriod = Infinity;
if (onSelectedDay && times) {
// Get number of minutes elapsed since midnight
let mins = timedate.getHours() * 60 + timedate.getMinutes();
// Check each time period in turn
for (let mp of minPeriods) {
if (mins >= mp.start && mins < mp.end) {
secsLeftBeforePeriod = 0;
} else if (mins < mp.start) {
// Compute exact seconds before this time period starts
let secs = (mp.start - mins) * 60 - timedate.getSeconds();
if (secs < secsLeftBeforePeriod) {
secsLeftBeforePeriod = secs;
}
}
}
}
// Check time limit
let secsLeftBeforeLimit = Infinity;
if (onSelectedDay && limitMins && limitPeriod) {
// Compute exact seconds before this time limit expires
let secsRollover = rollover ? timedata[5] : 0;
secsLeftBeforeLimit = secsRollover + (limitMins * 60);
if (timedata[2] == periodStart) {
let secs = secsLeftBeforeLimit - timedata[3];
secsLeftBeforeLimit = Math.max(0, secs);
}
}
let withinTimePeriods = (secsLeftBeforePeriod == 0);
let afterTimeLimit = (secsLeftBeforeLimit == 0);
// Check lockdown condition
let lockdown = (timedata[4] > now);
// Check override condition
let override = (prevOverride || !isInternalPage) && (overrideEndTime > now)
&& allowOverride && (allowOverLock || !lockdown);
// Determine whether this page should now be blocked
let doBlock = lockdown
|| (!conjMode && (withinTimePeriods || afterTimeLimit))
|| (conjMode && (withinTimePeriods && afterTimeLimit));
// Apply block if all relevant block conditions are fulfilled
if (!override && doBlock && (!isRepeat || activeBlock)) {
function applyBlock(keyword) {
if (gDiagMode) {
log("### BLOCK APPLIED ###");
log(`id: ${id}`);
log(`isBeforeNav: ${isBeforeNav}`);
log(`isRepeat: ${isRepeat}`);
log(`timedate: ${timedate}`);
log(`set: ${set}`);
log(`pageURL: ${pageURL}`);
log(`referrer: ${referrer}`);
log(`lockdown: ${lockdown}`);
log(`withinTimePeriods: ${withinTimePeriods}`);
log(`afterTimeLimit: ${afterTimeLimit}`);
log(`blockURL: ${blockURL}`);
if (blockRE) {
let res = blockRE.exec(pageURL);
if (res) {
log(`blockRE.exec: ${res[0]}`);
}
}
if (referRE) {
let res = referRE.exec(referrer);
if (res) {
log(`referRE.exec: ${res[0]}`);
}
}
if (keyword) {
log(`keyword: ${keyword}`);
}
}
if (closeTab) {
// Close tab
browser.tabs.remove(id);
} else if (applyFilter) {
gTabs[id].filterSet = set;
// Mute tab if option selected
if (filterMute) {
browser.tabs.update(id, { "muted": true });
}
// Send message to tab
let message = {
type: "filter",
name: filterName
};
browser.tabs.sendMessage(id, message).catch(
function (error) {}
);
} else {
gTabs[id].keyword = keyword;
gTabs[id].url = blockURL; // prevent reload loop on Chrome
if (!gIsAndroid && addHistory && !isInternalPage) {
// Add blocked page to browser history
browser.history.addUrl({ url: pageURLWithHash });
}
// Get final URL for block page
blockURL = getLocalizedURL(blockURL)
.replace(/\$K/g, keyword ? keyword : "")
.replace(/\$S/g, set)
.replace(/\$U/g, pageURLWithHash);
// Redirect page
browser.tabs.update(id, { url: blockURL });
}
}
if (keywordRE && !isInternalPage) {
// Check for keyword(s) before blocking
let message = {
type: "keyword",
keywordRE: keywordRE
};
browser.tabs.sendMessage(id, message).then(
function (keyword) {
if ((!allowKeywords && typeof keyword == "string")
|| (allowKeywords && keyword == null)) {
applyBlock(keyword);
}
},
function (error) {}
);
} else {
applyBlock();
return true; // blocked
}
}
// Clear filter if no longer blocked
if (set == gTabs[id].filterSet && (override || !doBlock)) {
gTabs[id].filterSet = undefined;
// Unmute tab if option selected
if (filterMute) {
browser.tabs.update(id, { "muted": false });
}
// Send message to tab
let message = {
type: "filter",
name: null
};
browser.tabs.sendMessage(id, message).catch(
function (error) {}
);
}
// Update seconds left before block
let secsLeft = conjMode
? (withinTimePeriods ? secsLeftBeforeLimit : Infinity)
: Math.min(secsLeftBeforePeriod, secsLeftBeforeLimit);
if (override) {
secsLeft = Math.max(secsLeft, overrideEndTime - now);
}
if (secsLeft < gTabs[id].secsLeft) {
gTabs[id].secsLeft = secsLeft;
gTabs[id].secsLeftSet = set;
gTabs[id].showTimer = showTimer;
}
}
}
checkWarning(id);
return false; // not blocked
}
// Check for warning message (and display message if needed)
//
function checkWarning(id) {
let set = gTabs[id].secsLeftSet;
if (set < 1 || set > gNumSets) {
return;
}
let warnSecs = gOptions["warnSecs"];
let canWarn = !gOptions["warnImmediate"] || gOptions[`activeBlock${set}`]
if (warnSecs && canWarn) {
let secsLeft = Math.round(gTabs[id].secsLeft);
if (secsLeft > warnSecs) {
gTabs[id].warned = false;
} else if (secsLeft > 0 && !gTabs[id].warned) {
gTabs[id].warned = true;
// Send message to tab
let text = `Sites in Block Set ${set}`;
let setName = gOptions[`setName${set}`];
if (setName) {
text += ` (${setName})`;
}
text += ` will be blocked in ${secsLeft} seconds.`;
let message = {
type: "alert",
text: text
};
browser.tabs.sendMessage(id, message).catch(
function (error) { gTabs[id].warned = false; }
);
}
}
}
// Clock time spent on page
//
function clockPageTime(id, open, focus) {
if (!gTabs[id]) {
return;
}
if (!gTabs[id].clockable) {
gTabs[id].openTime = undefined;
gTabs[id].focusTime = undefined;
return;
}
// Get current time in milliseconds
let time = Date.now();
// Clock time during which page has been open
let secsOpen = 0;
if (open) {
if (gTabs[id].openTime == undefined) {
// Set open time for this page
gTabs[id].openTime = time;
}
} else {
if (gTabs[id].openTime != undefined) {
// Calculate seconds spent on this page (while open)
secsOpen = ((time - gTabs[id].openTime) / 1000);
gTabs[id].openTime = undefined;
}
}
// Clock time during which page has been focused
let secsFocus = 0;
if (focus) {
if (gTabs[id].focusTime == undefined) {
// Set focus time for this page
gTabs[id].focusTime = time;
}
} else {
if (gTabs[id].focusTime != undefined) {
// Calculate seconds spent on this page (while focused)
secsFocus = ((time - gTabs[id].focusTime) / 1000);
gTabs[id].focusTime = undefined;
}
}
// Update time data if necessary
if (secsOpen > 0 || secsFocus > 0) {
updateTimeData(id, secsOpen, secsFocus);
}
}
// Update time data for specified page
//
function updateTimeData(id, secsOpen, secsFocus) {
//log("updateTimeData: " + id + " " + secsOpen + " " + secsFocus);
let referrer = gTabs[id].referrer;
let url = gTabs[id].url;
let incog = gTabs[id].incog;
let audible = gTabs[id].audible;
// Get parsed URL for this page
let parsedURL = getParsedURL(url);
let pageURL = parsedURL.page;
// Get current time in seconds
let now = Math.floor(Date.now() / 1000) + (gClockOffset * 60);
// Get current time/date
let timedate = new Date(now * 1000);
for (let set = 1; set <= gNumSets; set++) {
// Get regular expressions for matching sites to block/allow
let blockRE = gRegExps[set].block;
let allowRE = gRegExps[set].allow;
let referRE = gRegExps[set].refer;
if (!blockRE && !referRE) continue; // no block for this set
// Check incognito mode
let incogMode = gOptions[`incogMode${set}`];
if ((incogMode == 1 && incog) || (incogMode == 2 && !incog)) continue;
// Get option for counting time only when tab is playing audio
let countAudio = gOptions[`countAudio${set}`];
if (countAudio && !audible) continue; // no audio playing
// Get option for treating referrers as allow-conditions
let allowRefers = gOptions[`allowRefers${set}`];
// Test URL against block/allow regular expressions
if (testURL(pageURL, referrer, blockRE, allowRE, referRE, allowRefers)) {
// Get options for this set
let timedata = gOptions[`timedata${set}`];
let countFocus = gOptions[`countFocus${set}`];
let times = gOptions[`times${set}`];
let minPeriods = getMinPeriods(times);
let limitMins = gOptions[`limitMins${set}`];
let limitPeriod = gOptions[`limitPeriod${set}`];
let limitOffset = gOptions[`limitOffset${set}`];
let periodStart = getTimePeriodStart(now, limitPeriod, limitOffset);
let rollover = gOptions[`rollover${set}`];
let conjMode = gOptions[`conjMode${set}`];
let days = gOptions[`days${set}`];
// Avoid overcounting time for non-focused tabs
if (!countFocus && gSetCounted[set]) {
continue;
} else {
gSetCounted[set] = true;
}
// Reset time data if currently invalid
if (!Array.isArray(timedata)) {
timedata = [now, 0, 0, 0, 0, 0, 0, 0];
} else while (timedata.length < 8) {
timedata.push(0);
}
updateRolloverTime(timedata, limitMins, limitPeriod, periodStart);
// Get number of seconds spent on page (focused or open)
let secsSpent = countFocus ? secsFocus : secsOpen;
if (gIgnoreJumpSecs && secsSpent > gIgnoreJumpSecs) continue;
// Update data for total time spent
timedata[1] = +timedata[1] + secsSpent;
// Determine whether we should count time spent on page in
// specified time period (we should only count time on selected
// days -- and in conjunction mode, only within time periods)
let countTimeSpentInPeriod = days[timedate.getDay()];
if (countTimeSpentInPeriod && conjMode) {
countTimeSpentInPeriod = false;
// Get number of minutes elapsed since midnight
let mins = timedate.getHours() * 60 + timedate.getMinutes();
// Check each time period in turn
for (let mp of minPeriods) {
if (mins >= mp.start && mins < mp.end) {
countTimeSpentInPeriod = true;
}
}
}
// Update data for time spent in specified time period
if (countTimeSpentInPeriod && periodStart > 0 && timedata[2] >= 0) {
if (timedata[2] != periodStart) {
// We've entered a new time period, so start new count
timedata[2] = periodStart;
timedata[3] = secsSpent;
} else {
// We haven't entered a new time period, so keep counting
timedata[3] = +timedata[3] + secsSpent;
}
// Update rollover time for next period
timedata[6] = Math.max(0, (limitMins * 60) - timedata[3]);
timedata[7] = periodStart + (+limitPeriod);
}
// Update time data for this set
gOptions[`timedata${set}`] = timedata;
}
}
}
// Update timer
//
function updateTimer(id) {
if (!gTabs[id] || !gTabs[id].clockable) {
return;
}
let secsLeft = gTabs[id].secsLeft;
let showTimer = gTabs[id].showTimer;
// Send message to tab
let message = {
type: "timer",
size: gOptions["timerSize"],
location: gOptions["timerLocation"]
};
if (!gOptions["timerVisible"] || secsLeft == Infinity || !showTimer) {
message.text = null; // hide timer