/
dialog.js
312 lines (251 loc) · 8.56 KB
/
dialog.js
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'use strict'
const { app, BrowserWindow } = require('electron')
const binding = process.atomBinding('dialog')
const v8Util = process.atomBinding('v8_util')
const fileDialogProperties = {
openFile: 1 << 0,
openDirectory: 1 << 1,
multiSelections: 1 << 2,
createDirectory: 1 << 3,
showHiddenFiles: 1 << 4,
promptToCreate: 1 << 5,
noResolveAliases: 1 << 6,
treatPackageAsDirectory: 1 << 7
}
const messageBoxTypes = ['none', 'info', 'warning', 'error', 'question']
const messageBoxOptions = {
noLink: 1 << 0
}
const parseArgs = function (window, options, callback, ...args) {
if (window != null && window.constructor !== BrowserWindow) {
// Shift.
[callback, options, window] = [options, window, null]
}
if ((callback == null) && typeof options === 'function') {
// Shift.
[callback, options] = [options, null]
}
// Fallback to using very last argument as the callback function
const lastArgument = args[args.length - 1]
if ((callback == null) && typeof lastArgument === 'function') {
callback = lastArgument
}
return [window, options, callback]
}
const normalizeAccessKey = (text) => {
if (typeof text !== 'string') return text
// macOS does not have access keys so remove single ampersands
// and replace double ampersands with a single ampersand
if (process.platform === 'darwin') {
return text.replace(/&(&?)/g, '$1')
}
// Linux uses a single underscore as an access key prefix so escape
// existing single underscores with a second underscore, replace double
// ampersands with a single ampersand, and replace a single ampersand with
// a single underscore
if (process.platform === 'linux') {
return text.replace(/_/g, '__').replace(/&(.?)/g, (match, after) => {
if (after === '&') return after
return `_${after}`
})
}
return text
}
const checkAppInitialized = function () {
if (!app.isReady()) {
throw new Error('dialog module can only be used after app is ready')
}
}
module.exports = {
showOpenDialog: function (...args) {
checkAppInitialized()
let [window, options, callback] = parseArgs(...args)
if (options == null) {
options = {
title: 'Open',
properties: ['openFile']
}
}
let { buttonLabel, defaultPath, filters, properties, title, message, securityScopedBookmarks = false } = options
if (properties == null) {
properties = ['openFile']
} else if (!Array.isArray(properties)) {
throw new TypeError('Properties must be an array')
}
let dialogProperties = 0
for (const prop in fileDialogProperties) {
if (properties.includes(prop)) {
dialogProperties |= fileDialogProperties[prop]
}
}
if (title == null) {
title = ''
} else if (typeof title !== 'string') {
throw new TypeError('Title must be a string')
}
if (buttonLabel == null) {
buttonLabel = ''
} else if (typeof buttonLabel !== 'string') {
throw new TypeError('Button label must be a string')
}
if (defaultPath == null) {
defaultPath = ''
} else if (typeof defaultPath !== 'string') {
throw new TypeError('Default path must be a string')
}
if (filters == null) {
filters = []
}
if (message == null) {
message = ''
} else if (typeof message !== 'string') {
throw new TypeError('Message must be a string')
}
const wrappedCallback = typeof callback === 'function' ? function (success, result, bookmarkData) {
return success ? callback(result, bookmarkData) : callback()
} : null
const settings = { title, buttonLabel, defaultPath, filters, message, securityScopedBookmarks, window }
settings.properties = dialogProperties
return binding.showOpenDialog(settings, wrappedCallback)
},
showSaveDialog: function (...args) {
checkAppInitialized()
let [window, options, callback] = parseArgs(...args)
if (options == null) {
options = {
title: 'Save'
}
}
let { buttonLabel, defaultPath, filters, title, message, securityScopedBookmarks = false, nameFieldLabel, showsTagField } = options
if (title == null) {
title = ''
} else if (typeof title !== 'string') {
throw new TypeError('Title must be a string')
}
if (buttonLabel == null) {
buttonLabel = ''
} else if (typeof buttonLabel !== 'string') {
throw new TypeError('Button label must be a string')
}
if (defaultPath == null) {
defaultPath = ''
} else if (typeof defaultPath !== 'string') {
throw new TypeError('Default path must be a string')
}
if (filters == null) {
filters = []
}
if (message == null) {
message = ''
} else if (typeof message !== 'string') {
throw new TypeError('Message must be a string')
}
if (nameFieldLabel == null) {
nameFieldLabel = ''
} else if (typeof nameFieldLabel !== 'string') {
throw new TypeError('Name field label must be a string')
}
if (showsTagField == null) {
showsTagField = true
}
const wrappedCallback = typeof callback === 'function' ? function (success, result, bookmarkData) {
return success ? callback(result, bookmarkData) : callback()
} : null
const settings = { title, buttonLabel, defaultPath, filters, message, securityScopedBookmarks, nameFieldLabel, showsTagField, window }
return binding.showSaveDialog(settings, wrappedCallback)
},
showMessageBox: function (...args) {
checkAppInitialized()
let [window, options, callback] = parseArgs(...args)
if (options == null) {
options = {
type: 'none'
}
}
let {
buttons, cancelId, checkboxLabel, checkboxChecked, defaultId, detail,
icon, message, title, type
} = options
if (type == null) {
type = 'none'
}
const messageBoxType = messageBoxTypes.indexOf(type)
if (messageBoxType === -1) {
throw new TypeError('Invalid message box type')
}
if (buttons == null) {
buttons = []
} else if (!Array.isArray(buttons)) {
throw new TypeError('Buttons must be an array')
}
if (options.normalizeAccessKeys) {
buttons = buttons.map(normalizeAccessKey)
}
if (title == null) {
title = ''
} else if (typeof title !== 'string') {
throw new TypeError('Title must be a string')
}
if (message == null) {
message = ''
} else if (typeof message !== 'string') {
throw new TypeError('Message must be a string')
}
if (detail == null) {
detail = ''
} else if (typeof detail !== 'string') {
throw new TypeError('Detail must be a string')
}
checkboxChecked = !!checkboxChecked
if (checkboxLabel == null) {
checkboxLabel = ''
} else if (typeof checkboxLabel !== 'string') {
throw new TypeError('checkboxLabel must be a string')
}
if (icon == null) {
icon = null
}
if (defaultId == null) {
defaultId = -1
}
// Choose a default button to get selected when dialog is cancelled.
if (cancelId == null) {
// If the defaultId is set to 0, ensure the cancel button is a different index (1)
cancelId = (defaultId === 0 && buttons.length > 1) ? 1 : 0
for (let i = 0; i < buttons.length; i++) {
const text = buttons[i].toLowerCase()
if (text === 'cancel' || text === 'no') {
cancelId = i
break
}
}
}
const flags = options.noLink ? messageBoxOptions.noLink : 0
return binding.showMessageBox(messageBoxType, buttons, defaultId, cancelId,
flags, title, message, detail, checkboxLabel,
checkboxChecked, icon, window, callback)
},
showErrorBox: function (...args) {
return binding.showErrorBox(...args)
},
showCertificateTrustDialog: function (...args) {
const [window, options, callback] = parseArgs(...args)
if (options == null || typeof options !== 'object') {
throw new TypeError('options must be an object')
}
let { certificate, message } = options
if (certificate == null || typeof certificate !== 'object') {
throw new TypeError('certificate must be an object')
}
if (message == null) {
message = ''
} else if (typeof message !== 'string') {
throw new TypeError('message must be a string')
}
return binding.showCertificateTrustDialog(window, certificate, message, callback)
}
}
// Mark standard asynchronous functions.
v8Util.setHiddenValue(module.exports.showMessageBox, 'asynchronous', true)
v8Util.setHiddenValue(module.exports.showOpenDialog, 'asynchronous', true)
v8Util.setHiddenValue(module.exports.showSaveDialog, 'asynchronous', true)