SkirdaElectronLauncher/app/assets/js/scripts/landing.js

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/**
* Script for landing.ejs
*/
// Requirements
const cp = require('child_process')
const crypto = require('crypto')
const { URL } = require('url')
const { MojangRestAPI, getServerStatus } = require('helios-core/mojang')
// Internal Requirements
const DiscordWrapper = require('./assets/js/discordwrapper')
const ProcessBuilder = require('./assets/js/processbuilder')
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const { RestResponseStatus, isDisplayableError } = require('helios-core/common')
// Launch Elements
const launch_content = document.getElementById('launch_content')
const launch_details = document.getElementById('launch_details')
const launch_progress = document.getElementById('launch_progress')
const launch_progress_label = document.getElementById('launch_progress_label')
const launch_details_text = document.getElementById('launch_details_text')
const server_selection_button = document.getElementById('server_selection_button')
const user_text = document.getElementById('user_text')
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const loggerLanding = LoggerUtil1('%c[Landing]', 'color: #000668; font-weight: bold')
/* Launch Progress Wrapper Functions */
/**
* Show/hide the loading area.
*
* @param {boolean} loading True if the loading area should be shown, otherwise false.
*/
function toggleLaunchArea(loading){
if(loading){
launch_details.style.display = 'flex'
launch_content.style.display = 'none'
} else {
launch_details.style.display = 'none'
launch_content.style.display = 'inline-flex'
}
}
/**
* Set the details text of the loading area.
*
* @param {string} details The new text for the loading details.
*/
function setLaunchDetails(details){
launch_details_text.innerHTML = details
}
/**
* Set the value of the loading progress bar and display that value.
*
* @param {number} value The progress value.
* @param {number} max The total size.
* @param {number|string} percent Optional. The percentage to display on the progress label.
*/
function setLaunchPercentage(value, max, percent = ((value/max)*100)){
launch_progress.setAttribute('max', max)
launch_progress.setAttribute('value', value)
launch_progress_label.innerHTML = percent + '%'
}
/**
* Set the value of the OS progress bar and display that on the UI.
*
* @param {number} value The progress value.
* @param {number} max The total download size.
* @param {number|string} percent Optional. The percentage to display on the progress label.
*/
function setDownloadPercentage(value, max, percent = ((value/max)*100)){
remote.getCurrentWindow().setProgressBar(value/max)
setLaunchPercentage(value, max, percent)
}
/**
* Enable or disable the launch button.
*
* @param {boolean} val True to enable, false to disable.
*/
function setLaunchEnabled(val){
document.getElementById('launch_button').disabled = !val
}
// Bind launch button
document.getElementById('launch_button').addEventListener('click', function(e){
loggerLanding.log('Launching game..')
const mcVersion = DistroManager.getDistribution().getServer(ConfigManager.getSelectedServer()).getMinecraftVersion()
const jExe = ConfigManager.getJavaExecutable()
if(jExe == null){
asyncSystemScan(mcVersion)
} else {
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setLaunchDetails(Lang.queryJS('landing.launch.pleaseWait'))
toggleLaunchArea(true)
setLaunchPercentage(0, 100)
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const jg = new JavaGuard(mcVersion)
jg._validateJavaBinary(jExe).then((v) => {
loggerLanding.log('Java version meta', v)
if(v.valid){
dlAsync()
} else {
asyncSystemScan(mcVersion)
}
})
}
})
// Bind settings button
document.getElementById('settingsMediaButton').onclick = (e) => {
prepareSettings()
switchView(getCurrentView(), VIEWS.settings)
}
// Bind avatar overlay button.
document.getElementById('avatarOverlay').onclick = (e) => {
prepareSettings()
switchView(getCurrentView(), VIEWS.settings, 500, 500, () => {
settingsNavItemListener(document.getElementById('settingsNavAccount'), false)
})
}
// Bind selected account
function updateSelectedAccount(authUser){
let username = 'No Account Selected'
if(authUser != null){
if(authUser.displayName != null){
username = authUser.displayName
}
if(authUser.uuid != null){
document.getElementById('avatarContainer').style.backgroundImage = `url('https://mc-heads.net/body/${authUser.uuid}/right')`
}
}
user_text.innerHTML = username
}
updateSelectedAccount(ConfigManager.getSelectedAccount())
// Bind selected server
function updateSelectedServer(serv){
if(getCurrentView() === VIEWS.settings){
saveAllModConfigurations()
}
ConfigManager.setSelectedServer(serv != null ? serv.getID() : null)
ConfigManager.save()
server_selection_button.innerHTML = '\u2022 ' + (serv != null ? serv.getName() : 'No Server Selected')
if(getCurrentView() === VIEWS.settings){
animateModsTabRefresh()
}
setLaunchEnabled(serv != null)
}
// Real text is set in uibinder.js on distributionIndexDone.
server_selection_button.innerHTML = '\u2022 Loading..'
server_selection_button.onclick = (e) => {
e.target.blur()
toggleServerSelection(true)
}
// Update Mojang Status Color
const refreshMojangStatuses = async function(){
loggerLanding.log('Refreshing Mojang Statuses..')
let status = 'grey'
let tooltipEssentialHTML = ''
let tooltipNonEssentialHTML = ''
const response = await MojangRestAPI.status()
let statuses
if(response.responseStatus === RestResponseStatus.SUCCESS) {
statuses = response.data
} else {
loggerLanding.warn('Unable to refresh Mojang service status.')
statuses = MojangRestAPI.getDefaultStatuses()
}
greenCount = 0
greyCount = 0
for(let i=0; i<statuses.length; i++){
const service = statuses[i]
if(service.essential){
tooltipEssentialHTML += `<div class="mojangStatusContainer">
<span class="mojangStatusIcon" style="color: ${MojangRestAPI.statusToHex(service.status)};">&#8226;</span>
<span class="mojangStatusName">${service.name}</span>
</div>`
} else {
tooltipNonEssentialHTML += `<div class="mojangStatusContainer">
<span class="mojangStatusIcon" style="color: ${MojangRestAPI.statusToHex(service.status)};">&#8226;</span>
<span class="mojangStatusName">${service.name}</span>
</div>`
}
if(service.status === 'yellow' && status !== 'red'){
status = 'yellow'
} else if(service.status === 'red'){
status = 'red'
} else {
if(service.status === 'grey'){
++greyCount
}
++greenCount
}
}
if(greenCount === statuses.length){
if(greyCount === statuses.length){
status = 'grey'
} else {
status = 'green'
}
}
document.getElementById('mojangStatusEssentialContainer').innerHTML = tooltipEssentialHTML
document.getElementById('mojangStatusNonEssentialContainer').innerHTML = tooltipNonEssentialHTML
document.getElementById('mojang_status_icon').style.color = MojangRestAPI.statusToHex(status)
}
const refreshServerStatus = async function(fade = false){
loggerLanding.log('Refreshing Server Status')
const serv = DistroManager.getDistribution().getServer(ConfigManager.getSelectedServer())
let pLabel = 'SERVER'
let pVal = 'OFFLINE'
try {
const serverURL = new URL('my://' + serv.getAddress())
const servStat = await getServerStatus(47, serverURL.hostname, Number(serverURL.port))
console.log(servStat)
pLabel = 'PLAYERS'
pVal = servStat.players.online + '/' + servStat.players.max
} catch (err) {
loggerLanding.warn('Unable to refresh server status, assuming offline.')
loggerLanding.debug(err)
}
if(fade){
$('#server_status_wrapper').fadeOut(250, () => {
document.getElementById('landingPlayerLabel').innerHTML = pLabel
document.getElementById('player_count').innerHTML = pVal
$('#server_status_wrapper').fadeIn(500)
})
} else {
document.getElementById('landingPlayerLabel').innerHTML = pLabel
document.getElementById('player_count').innerHTML = pVal
}
}
refreshMojangStatuses()
// Server Status is refreshed in uibinder.js on distributionIndexDone.
// Set refresh rate to once every 5 minutes.
let mojangStatusListener = setInterval(() => refreshMojangStatuses(true), 300000)
let serverStatusListener = setInterval(() => refreshServerStatus(true), 300000)
/**
* Shows an error overlay, toggles off the launch area.
*
* @param {string} title The overlay title.
* @param {string} desc The overlay description.
*/
function showLaunchFailure(title, desc){
setOverlayContent(
title,
desc,
'Okay'
)
setOverlayHandler(null)
toggleOverlay(true)
toggleLaunchArea(false)
}
/* System (Java) Scan */
let sysAEx
let scanAt
let extractListener
/**
* Asynchronously scan the system for valid Java installations.
*
* @param {string} mcVersion The Minecraft version we are scanning for.
* @param {boolean} launchAfter Whether we should begin to launch after scanning.
*/
function asyncSystemScan(mcVersion, launchAfter = true){
setLaunchDetails('Please wait..')
toggleLaunchArea(true)
setLaunchPercentage(0, 100)
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const loggerSysAEx = LoggerUtil1('%c[SysAEx]', 'color: #353232; font-weight: bold')
const forkEnv = JSON.parse(JSON.stringify(process.env))
forkEnv.CONFIG_DIRECT_PATH = ConfigManager.getLauncherDirectory()
// Fork a process to run validations.
sysAEx = cp.fork(path.join(__dirname, 'assets', 'js', 'assetexec.js'), [
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'JavaGuard',
mcVersion
], {
env: forkEnv,
stdio: 'pipe'
})
// Stdout
sysAEx.stdio[1].setEncoding('utf8')
sysAEx.stdio[1].on('data', (data) => {
loggerSysAEx.log(data)
})
// Stderr
sysAEx.stdio[2].setEncoding('utf8')
sysAEx.stdio[2].on('data', (data) => {
loggerSysAEx.log(data)
})
sysAEx.on('message', (m) => {
if(m.context === 'validateJava'){
if(m.result == null){
// If the result is null, no valid Java installation was found.
// Show this information to the user.
setOverlayContent(
'No Compatible<br>Java Installation Found',
'In order to join WesterosCraft, you need a 64-bit installation of Java 8. Would you like us to install a copy?',
'Install Java',
'Install Manually'
)
setOverlayHandler(() => {
setLaunchDetails('Preparing Java Download..')
sysAEx.send({task: 'changeContext', class: 'AssetGuard', args: [ConfigManager.getCommonDirectory(),ConfigManager.getJavaExecutable()]})
sysAEx.send({task: 'execute', function: '_enqueueOpenJDK', argsArr: [ConfigManager.getDataDirectory()]})
toggleOverlay(false)
})
setDismissHandler(() => {
$('#overlayContent').fadeOut(250, () => {
//$('#overlayDismiss').toggle(false)
setOverlayContent(
'Java is Required<br>to Launch',
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'A valid x64 installation of Java 8 is required to launch.<br><br>Please refer to our <a href="https://github.com/dscalzi/HeliosLauncher/wiki/Java-Management#manually-installing-a-valid-version-of-java">Java Management Guide</a> for instructions on how to manually install Java.',
'I Understand',
'Go Back'
)
setOverlayHandler(() => {
toggleLaunchArea(false)
toggleOverlay(false)
})
setDismissHandler(() => {
toggleOverlay(false, true)
asyncSystemScan()
})
$('#overlayContent').fadeIn(250)
})
})
toggleOverlay(true, true)
} else {
// Java installation found, use this to launch the game.
ConfigManager.setJavaExecutable(m.result)
ConfigManager.save()
// We need to make sure that the updated value is on the settings UI.
// Just incase the settings UI is already open.
settingsJavaExecVal.value = m.result
populateJavaExecDetails(settingsJavaExecVal.value)
if(launchAfter){
dlAsync()
}
sysAEx.disconnect()
}
} else if(m.context === '_enqueueOpenJDK'){
if(m.result === true){
// Oracle JRE enqueued successfully, begin download.
setLaunchDetails('Downloading Java..')
sysAEx.send({task: 'execute', function: 'processDlQueues', argsArr: [[{id:'java', limit:1}]]})
} else {
// Oracle JRE enqueue failed. Probably due to a change in their website format.
// User will have to follow the guide to install Java.
setOverlayContent(
'Unexpected Issue:<br>Java Download Failed',
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'Unfortunately we\'ve encountered an issue while attempting to install Java. You will need to manually install a copy. Please check out our <a href="https://github.com/dscalzi/HeliosLauncher/wiki">Troubleshooting Guide</a> for more details and instructions.',
'I Understand'
)
setOverlayHandler(() => {
toggleOverlay(false)
toggleLaunchArea(false)
})
toggleOverlay(true)
sysAEx.disconnect()
}
} else if(m.context === 'progress'){
switch(m.data){
case 'download':
// Downloading..
setDownloadPercentage(m.value, m.total, m.percent)
break
}
} else if(m.context === 'complete'){
switch(m.data){
case 'download': {
// Show installing progress bar.
remote.getCurrentWindow().setProgressBar(2)
// Wait for extration to complete.
const eLStr = 'Extracting'
let dotStr = ''
setLaunchDetails(eLStr)
extractListener = setInterval(() => {
if(dotStr.length >= 3){
dotStr = ''
} else {
dotStr += '.'
}
setLaunchDetails(eLStr + dotStr)
}, 750)
break
}
case 'java':
// Download & extraction complete, remove the loading from the OS progress bar.
remote.getCurrentWindow().setProgressBar(-1)
// Extraction completed successfully.
ConfigManager.setJavaExecutable(m.args[0])
ConfigManager.save()
if(extractListener != null){
clearInterval(extractListener)
extractListener = null
}
setLaunchDetails('Java Installed!')
if(launchAfter){
dlAsync()
}
sysAEx.disconnect()
break
}
} else if(m.context === 'error'){
console.log(m.error)
}
})
// Begin system Java scan.
setLaunchDetails('Checking system info..')
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sysAEx.send({task: 'execute', function: 'validateJava', argsArr: [ConfigManager.getDataDirectory()]})
}
// Keep reference to Minecraft Process
let proc
// Is DiscordRPC enabled
let hasRPC = false
// Joined server regex
// Change this if your server uses something different.
const GAME_JOINED_REGEX = /\[.+\]: Sound engine started/
const GAME_LAUNCH_REGEX = /^\[.+\]: (?:MinecraftForge .+ Initialized|ModLauncher .+ starting: .+)$/
const MIN_LINGER = 5000
let aEx
let serv
let versionData
let forgeData
let progressListener
function dlAsync(login = true){
// Login parameter is temporary for debug purposes. Allows testing the validation/downloads without
// launching the game.
if(login) {
if(ConfigManager.getSelectedAccount() == null){
loggerLanding.error('You must be logged into an account.')
return
}
}
setLaunchDetails('Please wait..')
toggleLaunchArea(true)
setLaunchPercentage(0, 100)
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const loggerAEx = LoggerUtil1('%c[AEx]', 'color: #353232; font-weight: bold')
const loggerLaunchSuite = LoggerUtil1('%c[LaunchSuite]', 'color: #000668; font-weight: bold')
const forkEnv = JSON.parse(JSON.stringify(process.env))
forkEnv.CONFIG_DIRECT_PATH = ConfigManager.getLauncherDirectory()
// Start AssetExec to run validations and downloads in a forked process.
aEx = cp.fork(path.join(__dirname, 'assets', 'js', 'assetexec.js'), [
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'AssetGuard',
ConfigManager.getCommonDirectory(),
ConfigManager.getJavaExecutable()
], {
env: forkEnv,
stdio: 'pipe'
})
// Stdout
aEx.stdio[1].setEncoding('utf8')
aEx.stdio[1].on('data', (data) => {
loggerAEx.log(data)
})
// Stderr
aEx.stdio[2].setEncoding('utf8')
aEx.stdio[2].on('data', (data) => {
loggerAEx.log(data)
})
aEx.on('error', (err) => {
loggerLaunchSuite.error('Error during launch', err)
showLaunchFailure('Error During Launch', err.message || 'See console (CTRL + Shift + i) for more details.')
})
aEx.on('close', (code, signal) => {
if(code !== 0){
loggerLaunchSuite.error(`AssetExec exited with code ${code}, assuming error.`)
showLaunchFailure('Error During Launch', 'See console (CTRL + Shift + i) for more details.')
}
})
// Establish communications between the AssetExec and current process.
aEx.on('message', (m) => {
if(m.context === 'validate'){
switch(m.data){
case 'distribution':
setLaunchPercentage(20, 100)
loggerLaunchSuite.log('Validated distibution index.')
setLaunchDetails('Loading version information..')
break
case 'version':
setLaunchPercentage(40, 100)
loggerLaunchSuite.log('Version data loaded.')
setLaunchDetails('Validating asset integrity..')
break
case 'assets':
setLaunchPercentage(60, 100)
loggerLaunchSuite.log('Asset Validation Complete')
setLaunchDetails('Validating library integrity..')
break
case 'libraries':
setLaunchPercentage(80, 100)
loggerLaunchSuite.log('Library validation complete.')
setLaunchDetails('Validating miscellaneous file integrity..')
break
case 'files':
setLaunchPercentage(100, 100)
loggerLaunchSuite.log('File validation complete.')
setLaunchDetails('Downloading files..')
break
}
} else if(m.context === 'progress'){
switch(m.data){
case 'assets': {
const perc = (m.value/m.total)*20
setLaunchPercentage(40+perc, 100, parseInt(40+perc))
break
}
case 'download':
setDownloadPercentage(m.value, m.total, m.percent)
break
case 'extract': {
// Show installing progress bar.
remote.getCurrentWindow().setProgressBar(2)
// Download done, extracting.
const eLStr = 'Extracting libraries'
let dotStr = ''
setLaunchDetails(eLStr)
progressListener = setInterval(() => {
if(dotStr.length >= 3){
dotStr = ''
} else {
dotStr += '.'
}
setLaunchDetails(eLStr + dotStr)
}, 750)
break
}
}
} else if(m.context === 'complete'){
switch(m.data){
case 'download':
// Download and extraction complete, remove the loading from the OS progress bar.
remote.getCurrentWindow().setProgressBar(-1)
if(progressListener != null){
clearInterval(progressListener)
progressListener = null
}
setLaunchDetails('Preparing to launch..')
break
}
} else if(m.context === 'error'){
switch(m.data){
case 'download':
loggerLaunchSuite.error('Error while downloading:', m.error)
if(m.error.code === 'ENOENT'){
showLaunchFailure(
'Download Error',
'Could not connect to the file server. Ensure that you are connected to the internet and try again.'
)
} else {
showLaunchFailure(
'Download Error',
'Check the console (CTRL + Shift + i) for more details. Please try again.'
)
}
remote.getCurrentWindow().setProgressBar(-1)
// Disconnect from AssetExec
aEx.disconnect()
break
}
} else if(m.context === 'validateEverything'){
let allGood = true
// If these properties are not defined it's likely an error.
if(m.result.forgeData == null || m.result.versionData == null){
loggerLaunchSuite.error('Error during validation:', m.result)
loggerLaunchSuite.error('Error during launch', m.result.error)
showLaunchFailure('Error During Launch', 'Please check the console (CTRL + Shift + i) for more details.')
allGood = false
}
forgeData = m.result.forgeData
versionData = m.result.versionData
if(login && allGood) {
const authUser = ConfigManager.getSelectedAccount()
loggerLaunchSuite.log(`Sending selected account (${authUser.displayName}) to ProcessBuilder.`)
let pb = new ProcessBuilder(serv, versionData, forgeData, authUser, remote.app.getVersion())
setLaunchDetails('Launching game..')
// const SERVER_JOINED_REGEX = /\[.+\]: \[CHAT\] [a-zA-Z0-9_]{1,16} joined the game/
const SERVER_JOINED_REGEX = new RegExp(`\\[.+\\]: \\[CHAT\\] ${authUser.displayName} joined the game`)
const onLoadComplete = () => {
toggleLaunchArea(false)
if(hasRPC){
DiscordWrapper.updateDetails('Loading game..')
}
proc.stdout.on('data', gameStateChange)
proc.stdout.removeListener('data', tempListener)
proc.stderr.removeListener('data', gameErrorListener)
}
const start = Date.now()
// Attach a temporary listener to the client output.
// Will wait for a certain bit of text meaning that
// the client application has started, and we can hide
// the progress bar stuff.
const tempListener = function(data){
if(GAME_LAUNCH_REGEX.test(data.trim())){
const diff = Date.now()-start
if(diff < MIN_LINGER) {
setTimeout(onLoadComplete, MIN_LINGER-diff)
} else {
onLoadComplete()
}
}
}
// Listener for Discord RPC.
const gameStateChange = function(data){
data = data.trim()
if(SERVER_JOINED_REGEX.test(data)){
DiscordWrapper.updateDetails('Exploring the Realm!')
} else if(GAME_JOINED_REGEX.test(data)){
DiscordWrapper.updateDetails('Sailing to Westeros!')
}
}
const gameErrorListener = function(data){
data = data.trim()
if(data.indexOf('Could not find or load main class net.minecraft.launchwrapper.Launch') > -1){
loggerLaunchSuite.error('Game launch failed, LaunchWrapper was not downloaded properly.')
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showLaunchFailure('Error During Launch', 'The main file, LaunchWrapper, failed to download properly. As a result, the game cannot launch.<br><br>To fix this issue, temporarily turn off your antivirus software and launch the game again.<br><br>If you have time, please <a href="https://github.com/dscalzi/HeliosLauncher/issues">submit an issue</a> and let us know what antivirus software you use. We\'ll contact them and try to straighten things out.')
}
}
try {
// Build Minecraft process.
proc = pb.build()
// Bind listeners to stdout.
proc.stdout.on('data', tempListener)
proc.stderr.on('data', gameErrorListener)
setLaunchDetails('Done. Enjoy the server!')
// Init Discord Hook
const distro = DistroManager.getDistribution()
if(distro.discord != null && serv.discord != null){
DiscordWrapper.initRPC(distro.discord, serv.discord)
hasRPC = true
proc.on('close', (code, signal) => {
loggerLaunchSuite.log('Shutting down Discord Rich Presence..')
DiscordWrapper.shutdownRPC()
hasRPC = false
proc = null
})
}
} catch(err) {
loggerLaunchSuite.error('Error during launch', err)
showLaunchFailure('Error During Launch', 'Please check the console (CTRL + Shift + i) for more details.')
}
}
// Disconnect from AssetExec
aEx.disconnect()
}
})
// Begin Validations
// Validate Forge files.
setLaunchDetails('Loading server information..')
refreshDistributionIndex(true, (data) => {
onDistroRefresh(data)
serv = data.getServer(ConfigManager.getSelectedServer())
aEx.send({task: 'execute', function: 'validateEverything', argsArr: [ConfigManager.getSelectedServer(), DistroManager.isDevMode()]})
}, (err) => {
loggerLaunchSuite.log('Error while fetching a fresh copy of the distribution index.', err)
refreshDistributionIndex(false, (data) => {
onDistroRefresh(data)
serv = data.getServer(ConfigManager.getSelectedServer())
aEx.send({task: 'execute', function: 'validateEverything', argsArr: [ConfigManager.getSelectedServer(), DistroManager.isDevMode()]})
}, (err) => {
loggerLaunchSuite.error('Unable to refresh distribution index.', err)
if(DistroManager.getDistribution() == null){
showLaunchFailure('Fatal Error', 'Could not load a copy of the distribution index. See the console (CTRL + Shift + i) for more details.')
// Disconnect from AssetExec
aEx.disconnect()
} else {
serv = data.getServer(ConfigManager.getSelectedServer())
aEx.send({task: 'execute', function: 'validateEverything', argsArr: [ConfigManager.getSelectedServer(), DistroManager.isDevMode()]})
}
})
})
}
/**
* News Loading Functions
*/
// DOM Cache
const newsContent = document.getElementById('newsContent')
const newsArticleTitle = document.getElementById('newsArticleTitle')
const newsArticleDate = document.getElementById('newsArticleDate')
const newsArticleAuthor = document.getElementById('newsArticleAuthor')
const newsArticleComments = document.getElementById('newsArticleComments')
const newsNavigationStatus = document.getElementById('newsNavigationStatus')
const newsArticleContentScrollable = document.getElementById('newsArticleContentScrollable')
const nELoadSpan = document.getElementById('nELoadSpan')
// News slide caches.
let newsActive = false
let newsGlideCount = 0
/**
* Show the news UI via a slide animation.
*
* @param {boolean} up True to slide up, otherwise false.
*/
function slide_(up){
const lCUpper = document.querySelector('#landingContainer > #upper')
const lCLLeft = document.querySelector('#landingContainer > #lower > #left')
const lCLCenter = document.querySelector('#landingContainer > #lower > #center')
const lCLRight = document.querySelector('#landingContainer > #lower > #right')
const newsBtn = document.querySelector('#landingContainer > #lower > #center #content')
const landingContainer = document.getElementById('landingContainer')
const newsContainer = document.querySelector('#landingContainer > #newsContainer')
newsGlideCount++
if(up){
lCUpper.style.top = '-200vh'
lCLLeft.style.top = '-200vh'
lCLCenter.style.top = '-200vh'
lCLRight.style.top = '-200vh'
newsBtn.style.top = '130vh'
newsContainer.style.top = '0px'
//date.toLocaleDateString('en-US', {month: 'short', day: 'numeric', year: 'numeric', hour: 'numeric', minute: 'numeric'})
//landingContainer.style.background = 'rgba(29, 29, 29, 0.55)'
landingContainer.style.background = 'rgba(0, 0, 0, 0.50)'
setTimeout(() => {
if(newsGlideCount === 1){
lCLCenter.style.transition = 'none'
newsBtn.style.transition = 'none'
}
newsGlideCount--
}, 2000)
} else {
setTimeout(() => {
newsGlideCount--
}, 2000)
landingContainer.style.background = null
lCLCenter.style.transition = null
newsBtn.style.transition = null
newsContainer.style.top = '100%'
lCUpper.style.top = '0px'
lCLLeft.style.top = '0px'
lCLCenter.style.top = '0px'
lCLRight.style.top = '0px'
newsBtn.style.top = '10px'
}
}
// Bind news button.
document.getElementById('newsButton').onclick = () => {
// Toggle tabbing.
if(newsActive){
$('#landingContainer *').removeAttr('tabindex')
$('#newsContainer *').attr('tabindex', '-1')
} else {
$('#landingContainer *').attr('tabindex', '-1')
$('#newsContainer, #newsContainer *, #lower, #lower #center *').removeAttr('tabindex')
if(newsAlertShown){
$('#newsButtonAlert').fadeOut(2000)
newsAlertShown = false
ConfigManager.setNewsCacheDismissed(true)
ConfigManager.save()
}
}
slide_(!newsActive)
newsActive = !newsActive
}
// Array to store article meta.
let newsArr = null
// News load animation listener.
let newsLoadingListener = null
/**
* Set the news loading animation.
*
* @param {boolean} val True to set loading animation, otherwise false.
*/
function setNewsLoading(val){
if(val){
const nLStr = 'Checking for News'
let dotStr = '..'
nELoadSpan.innerHTML = nLStr + dotStr
newsLoadingListener = setInterval(() => {
if(dotStr.length >= 3){
dotStr = ''
} else {
dotStr += '.'
}
nELoadSpan.innerHTML = nLStr + dotStr
}, 750)
} else {
if(newsLoadingListener != null){
clearInterval(newsLoadingListener)
newsLoadingListener = null
}
}
}
// Bind retry button.
newsErrorRetry.onclick = () => {
$('#newsErrorFailed').fadeOut(250, () => {
initNews()
$('#newsErrorLoading').fadeIn(250)
})
}
newsArticleContentScrollable.onscroll = (e) => {
if(e.target.scrollTop > Number.parseFloat($('.newsArticleSpacerTop').css('height'))){
newsContent.setAttribute('scrolled', '')
} else {
newsContent.removeAttribute('scrolled')
}
}
/**
* Reload the news without restarting.
*
* @returns {Promise.<void>} A promise which resolves when the news
* content has finished loading and transitioning.
*/
function reloadNews(){
return new Promise((resolve, reject) => {
$('#newsContent').fadeOut(250, () => {
$('#newsErrorLoading').fadeIn(250)
initNews().then(() => {
resolve()
})
})
})
}
let newsAlertShown = false
/**
* Show the news alert indicating there is new news.
*/
function showNewsAlert(){
newsAlertShown = true
$(newsButtonAlert).fadeIn(250)
}
/**
* Initialize News UI. This will load the news and prepare
* the UI accordingly.
*
* @returns {Promise.<void>} A promise which resolves when the news
* content has finished loading and transitioning.
*/
function initNews(){
return new Promise((resolve, reject) => {
setNewsLoading(true)
let news = {}
loadNews().then(news => {
newsArr = news.articles || null
if(newsArr == null){
// News Loading Failed
setNewsLoading(false)
$('#newsErrorLoading').fadeOut(250, () => {
$('#newsErrorFailed').fadeIn(250, () => {
resolve()
})
})
} else if(newsArr.length === 0) {
// No News Articles
setNewsLoading(false)
ConfigManager.setNewsCache({
date: null,
content: null,
dismissed: false
})
ConfigManager.save()
$('#newsErrorLoading').fadeOut(250, () => {
$('#newsErrorNone').fadeIn(250, () => {
resolve()
})
})
} else {
// Success
setNewsLoading(false)
const lN = newsArr[0]
const cached = ConfigManager.getNewsCache()
let newHash = crypto.createHash('sha1').update(lN.content).digest('hex')
let newDate = new Date(lN.date)
let isNew = false
if(cached.date != null && cached.content != null){
if(new Date(cached.date) >= newDate){
// Compare Content
if(cached.content !== newHash){
isNew = true
showNewsAlert()
} else {
if(!cached.dismissed){
isNew = true
showNewsAlert()
}
}
} else {
isNew = true
showNewsAlert()
}
} else {
isNew = true
showNewsAlert()
}
if(isNew){
ConfigManager.setNewsCache({
date: newDate.getTime(),
content: newHash,
dismissed: false
})
ConfigManager.save()
}
const switchHandler = (forward) => {
let cArt = parseInt(newsContent.getAttribute('article'))
let nxtArt = forward ? (cArt >= newsArr.length-1 ? 0 : cArt + 1) : (cArt <= 0 ? newsArr.length-1 : cArt - 1)
displayArticle(newsArr[nxtArt], nxtArt+1)
}
document.getElementById('newsNavigateRight').onclick = () => { switchHandler(true) }
document.getElementById('newsNavigateLeft').onclick = () => { switchHandler(false) }
$('#newsErrorContainer').fadeOut(250, () => {
displayArticle(newsArr[0], 1)
$('#newsContent').fadeIn(250, () => {
resolve()
})
})
}
})
})
}
/**
* Add keyboard controls to the news UI. Left and right arrows toggle
* between articles. If you are on the landing page, the up arrow will
* open the news UI.
*/
document.addEventListener('keydown', (e) => {
if(newsActive){
if(e.key === 'ArrowRight' || e.key === 'ArrowLeft'){
document.getElementById(e.key === 'ArrowRight' ? 'newsNavigateRight' : 'newsNavigateLeft').click()
}
// Interferes with scrolling an article using the down arrow.
// Not sure of a straight forward solution at this point.
// if(e.key === 'ArrowDown'){
// document.getElementById('newsButton').click()
// }
} else {
if(getCurrentView() === VIEWS.landing){
if(e.key === 'ArrowUp'){
document.getElementById('newsButton').click()
}
}
}
})
/**
* Display a news article on the UI.
*
* @param {Object} articleObject The article meta object.
* @param {number} index The article index.
*/
function displayArticle(articleObject, index){
newsArticleTitle.innerHTML = articleObject.title
newsArticleTitle.href = articleObject.link
newsArticleAuthor.innerHTML = 'by ' + articleObject.author
newsArticleDate.innerHTML = articleObject.date
newsArticleComments.innerHTML = articleObject.comments
newsArticleComments.href = articleObject.commentsLink
newsArticleContentScrollable.innerHTML = '<div id="newsArticleContentWrapper"><div class="newsArticleSpacerTop"></div>' + articleObject.content + '<div class="newsArticleSpacerBot"></div></div>'
Array.from(newsArticleContentScrollable.getElementsByClassName('bbCodeSpoilerButton')).forEach(v => {
v.onclick = () => {
const text = v.parentElement.getElementsByClassName('bbCodeSpoilerText')[0]
text.style.display = text.style.display === 'block' ? 'none' : 'block'
}
})
newsNavigationStatus.innerHTML = index + ' of ' + newsArr.length
newsContent.setAttribute('article', index-1)
}
/**
* Load news information from the RSS feed specified in the
* distribution index.
*/
function loadNews(){
return new Promise((resolve, reject) => {
const distroData = DistroManager.getDistribution()
const newsFeed = distroData.getRSS()
const newsHost = new URL(newsFeed).origin + '/'
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$.ajax({
url: newsFeed,
success: (data) => {
const items = $(data).find('item')
const articles = []
for(let i=0; i<items.length; i++){
// JQuery Element
const el = $(items[i])
// Resolve date.
const date = new Date(el.find('pubDate').text()).toLocaleDateString('en-US', {month: 'short', day: 'numeric', year: 'numeric', hour: 'numeric', minute: 'numeric'})
// Resolve comments.
let comments = el.find('slash\\:comments').text() || '0'
comments = comments + ' Comment' + (comments === '1' ? '' : 's')
// Fix relative links in content.
let content = el.find('content\\:encoded').text()
let regex = /src="(?!http:\/\/|https:\/\/)(.+?)"/g
let matches
while((matches = regex.exec(content))){
content = content.replace(`"${matches[1]}"`, `"${newsHost + matches[1]}"`)
}
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let link = el.find('link').text()
let title = el.find('title').text()
let author = el.find('dc\\:creator').text()
// Generate article.
articles.push(
{
link,
title,
date,
author,
content,
comments,
commentsLink: link + '#comments'
}
)
}
resolve({
articles
})
},
timeout: 2500
}).catch(err => {
resolve({
articles: null
})
})
})
}