124 lines
3.5 KiB
JavaScript
124 lines
3.5 KiB
JavaScript
'use strict'
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let nextCommandId = 0
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// Maps role to methods of webContents
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const rolesMap = {
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undo: 'undo',
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redo: 'redo',
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cut: 'cut',
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copy: 'copy',
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paste: 'paste',
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pasteandmatchstyle: 'pasteAndMatchStyle',
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selectall: 'selectAll',
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minimize: 'minimize',
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close: 'close',
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delete: 'delete',
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quit: 'quit',
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togglefullscreen: 'toggleFullScreen'
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}
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// Maps methods that should be called directly on the BrowserWindow instance
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const methodInBrowserWindow = {
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minimize: true,
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close: true,
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toggleFullScreen: function (window) {
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window.setFullScreen(!window.isFullScreen())
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}
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}
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const methodInApp = {
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quit: true
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}
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const MenuItem = function (options) {
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const {app, Menu} = require('electron')
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this.selector = options.selector
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this.type = options.type
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this.role = options.role
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this.label = options.label
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this.sublabel = options.sublabel
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this.accelerator = options.accelerator
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this.icon = options.icon
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this.enabled = options.enabled
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this.visible = options.visible
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this.checked = options.checked
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this.submenu = options.submenu
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if (this.submenu != null && this.submenu.constructor !== Menu) {
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this.submenu = Menu.buildFromTemplate(this.submenu)
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}
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if (this.type == null && this.submenu != null) {
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this.type = 'submenu'
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}
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if (this.type === 'submenu' && (this.submenu == null || this.submenu.constructor !== Menu)) {
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throw new Error('Invalid submenu')
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}
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this.overrideReadOnlyProperty('type', 'normal')
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this.overrideReadOnlyProperty('role')
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this.overrideReadOnlyProperty('accelerator')
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this.overrideReadOnlyProperty('icon')
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this.overrideReadOnlyProperty('submenu')
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this.overrideProperty('label', '')
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this.overrideProperty('sublabel', '')
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this.overrideProperty('enabled', true)
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this.overrideProperty('visible', true)
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this.overrideProperty('checked', false)
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if (!MenuItem.types.includes(this.type)) {
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throw new Error(`Unknown menu item type: ${this.type}`)
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}
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this.commandId = ++nextCommandId
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const click = options.click
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this.click = (event, focusedWindow) => {
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// Manually flip the checked flags when clicked.
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if (this.type === 'checkbox' || this.type === 'radio') {
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this.checked = !this.checked
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}
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if (this.role && rolesMap[this.role] && process.platform !== 'darwin' && focusedWindow != null) {
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const methodName = rolesMap[this.role]
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if (methodInApp[methodName]) {
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return app[methodName]()
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} else if (typeof methodInBrowserWindow[methodName] === 'function') {
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return methodInBrowserWindow[methodName](focusedWindow)
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} else if (methodInBrowserWindow[methodName]) {
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return focusedWindow[methodName]()
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} else {
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const {webContents} = focusedWindow
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return webContents != null ? webContents[methodName]() : void 0
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}
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} else if (typeof click === 'function') {
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return click(this, focusedWindow, event)
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} else if (typeof this.selector === 'string' && process.platform === 'darwin') {
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return Menu.sendActionToFirstResponder(this.selector)
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}
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}
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}
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MenuItem.types = ['normal', 'separator', 'submenu', 'checkbox', 'radio']
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MenuItem.prototype.overrideProperty = function (name, defaultValue) {
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if (defaultValue == null) {
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defaultValue = null
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}
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if (this[name] == null) {
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this[name] = defaultValue
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}
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}
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MenuItem.prototype.overrideReadOnlyProperty = function (name, defaultValue) {
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this.overrideProperty(name, defaultValue)
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Object.defineProperty(this, name, {
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enumerable: true,
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writable: false,
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value: this[name]
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})
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}
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module.exports = MenuItem
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