152 lines
3.6 KiB
JavaScript
152 lines
3.6 KiB
JavaScript
module.exports = {
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handleEvent
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}
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var cp = require('child_process')
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var electron = require('electron')
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var fs = require('fs')
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var os = require('os')
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var path = require('path')
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var app = electron.app
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var handlers = require('./handlers')
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var EXE_NAME = path.basename(process.execPath)
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var UPDATE_EXE = path.join(process.execPath, '..', '..', 'Update.exe')
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function handleEvent (cmd) {
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if (cmd === '--squirrel-install') {
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// App was installed. Install desktop/start menu shortcuts.
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createShortcuts(function () {
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// Ensure user sees install splash screen so they realize that Setup.exe actually
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// installed an application and isn't the application itself.
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setTimeout(function () {
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app.quit()
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}, 3000)
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})
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return true
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}
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if (cmd === '--squirrel-updated') {
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// App was updated. (Called on new version of app)
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updateShortcuts(function () {
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app.quit()
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})
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return true
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}
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if (cmd === '--squirrel-uninstall') {
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// App was just uninstalled. Undo anything we did in the --squirrel-install and
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// --squirrel-updated handlers
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// Uninstall .torrent file and magnet link handlers
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handlers.uninstall()
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// Remove desktop/start menu shortcuts.
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// HACK: add a callback to handlers.uninstall() so we can remove this setTimeout
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setTimeout(function () {
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removeShortcuts(function () {
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app.quit()
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})
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}, 1000)
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return true
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}
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if (cmd === '--squirrel-obsolete') {
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// App will be updated. (Called on outgoing version of app)
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app.quit()
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return true
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}
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if (cmd === '--squirrel-firstrun') {
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// App is running for the first time. Do not quit, allow startup to continue.
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return false
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}
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return false
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}
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/**
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* Spawn a command and invoke the callback when it completes with an error and
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* the output from standard out.
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*/
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function spawn (command, args, cb) {
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var stdout = ''
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var child
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try {
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child = cp.spawn(command, args)
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} catch (err) {
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// Spawn can throw an error
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process.nextTick(function () {
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cb(error, stdout)
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})
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return
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}
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child.stdout.on('data', function (data) {
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stdout += data
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})
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var error = null
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child.on('error', function (processError) {
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error = processError
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})
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child.on('close', function (code, signal) {
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if (code !== 0 && !error) error = new Error('Command failed: #{signal || code}')
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if (error) error.stdout = stdout
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cb(error, stdout)
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})
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}
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/**
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* Spawn the Squirrel `Update.exe` command with the given arguments and invoke
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* the callback when the command completes.
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*/
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function spawnUpdate (args, cb) {
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spawn(UPDATE_EXE, args, cb)
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}
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/**
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* Create desktop and start menu shortcuts using the Squirrel `Update.exe`
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* command.
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*/
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function createShortcuts (cb) {
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spawnUpdate(['--createShortcut', EXE_NAME], cb)
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}
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/**
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* Update desktop and start menu shortcuts using the Squirrel `Update.exe`
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* command.
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*/
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function updateShortcuts (cb) {
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var homeDir = os.homedir()
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if (homeDir) {
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var desktopShortcutPath = path.join(homeDir, 'Desktop', 'WebTorrent.lnk')
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// If the desktop shortcut was deleted by the user, then keep it deleted.
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fs.access(desktopShortcutPath, function (err) {
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var desktopShortcutExists = !err
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createShortcuts(function () {
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if (desktopShortcutExists) {
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cb()
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} else {
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// Remove the unwanted desktop shortcut that was recreated
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fs.unlink(desktopShortcutPath, cb)
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}
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})
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})
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} else {
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createShortcuts(cb)
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}
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}
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/**
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* Remove desktop and start menu shortcuts using the Squirrel `Update.exe`
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* command.
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*/
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function removeShortcuts (cb) {
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spawnUpdate(['--removeShortcut', EXE_NAME], cb)
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}
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