wuespace/telestion-client

import {
    app,
    BrowserWindow,
    Menu,
    MenuItemConstructorOptions,
    shell
} from 'electron';

import IpcManager from './ipc-manager';

interface DarwinMenuItemConstructorOptions extends MenuItemConstructorOptions {
    selector?: string;
    submenu?: DarwinMenuItemConstructorOptions[] | Menu;
}

export default class MenuBuilder {
    private readonly browserWindow: BrowserWindow;

    private readonly ipcManager: IpcManager;

    constructor(browserWindow: BrowserWindow, ipcManager: IpcManager) {
        this.browserWindow = browserWindow;
        this.ipcManager = ipcManager;
    }

    public buildMenu() {
        if (!app.isPackaged) {
            // Add mouse context menu in development mode
            this.setupDevelopmentEnvironment();
        }

        // build os specific menu template
        const template =
            process.platform === 'darwin'
                ? this.buildDarwinTemplate()
                : this.buildDefaultTemplate();

        // generate template
        const menu = Menu.buildFromTemplate(template);

        Menu.setApplicationMenu(menu);
        return menu;
    }

    private setupDevelopmentEnvironment() {
        this.browserWindow.webContents.on('context-menu', (_, props) => {
            const { x, y } = props;

            Menu.buildFromTemplate([
                {
                    label: 'Inspect element',
                    click: () => {
                        this.browserWindow.webContents.inspectElement(x, y);
                    }
                }
            ]).popup({ window: this.browserWindow });
        });
    }

    private buildDarwinTemplate(): MenuItemConstructorOptions[] {
        // define the different menu, submenus and their actions
        const subMenuAbout: DarwinMenuItemConstructorOptions = {
            label: 'Electron React Boilerplate',
            submenu: [
                {
                    label: 'About Telestion Project Client',
                    selector: 'orderFrontStandardAboutPanel:'
                },
                { type: 'separator' },
                {
                    label: 'Hide Telestion Project Client',
                    accelerator: 'Command+H',
                    selector: 'hide:'
                },
                {
                    label: 'Hide Others',
                    accelerator: 'Command+Shift+H',
                    selector: 'hideOtherApplications:'
                },
                { label: 'Show All', selector: 'unhideAllApplications:' },
                { type: 'separator' },
                {
                    label: 'Quit',
                    accelerator: 'Command+Q',
                    click: () => {
                        app.quit();
                    }
                }
            ]
        };

        const subMenuEdit: DarwinMenuItemConstructorOptions = {
            label: 'Edit',
            submenu: []
        };

        const subMenuView: MenuItemConstructorOptions = {
            label: 'View',
            submenu: [
                {
                    label: 'Toggle Full Screen',
                    accelerator: 'Ctrl+Command+F',
                    click: () => {
                        this.browserWindow.setFullScreen(
                            !this.browserWindow.isFullScreen()
                        );
                    }
                },
                ...(!app.isPackaged
                    ? [
                            {
                                label: 'Reload',
                                accelerator: 'Command+R',
                                click: () => {
                                    this.browserWindow.webContents.reload();
                                }
                            },

                            {
                                label: 'Toggle Developer Tools',
                                accelerator: 'Shift+Command+I',
                                click: () => {
                                    this.browserWindow.webContents.toggleDevTools();
                                }
                            }
                      ]
                    : [])
            ]
        };

        const subMenuWindow: DarwinMenuItemConstructorOptions = {
            label: 'Window',
            submenu: [
                {
                    label: 'Minimize',
                    accelerator: 'Command+M',
                    selector: 'performMiniaturize:'
                },
                { label: 'Close', accelerator: 'Command+W', selector: 'performClose:' },
                { type: 'separator' },
                { label: 'Bring All to Front', selector: 'arrangeInFront:' }
            ]
        };

        // concat all defined menu templates
        return [subMenuAbout, subMenuEdit, subMenuView, subMenuWindow];
    }

    private buildDefaultTemplate(): MenuItemConstructorOptions[] {
        return [
            {
                label: '&Window',
                submenu: [
                    {
                        label: '&Close',
                        accelerator: 'Ctrl+W',
                        click: () => {
                            this.browserWindow.close();
                        }
                    },
                    {
                        label: '&Quit',
                        accelerator: 'Ctrl+Q',
                        click: () => {
                            app.quit();
                        }
                    }
                ]
            },
            {
                label: '&View',
                submenu: [
                    {
                        label: 'Toggle &Full Screen',
                        accelerator: 'F11',
                        click: () => {
                            this.browserWindow.setFullScreen(
                                !this.browserWindow.isFullScreen()
                            );
                        }
                    },
                    ...(!app.isPackaged
                        ? [
                                {
                                    label: 'Toggle &Developer Tools',
                                    accelerator: 'Shift+Ctrl+I',
                                    click: () => {
                                        this.browserWindow.webContents.toggleDevTools();
                                    }
                                },
                                {
                                    label: '&Reload',
                                    accelerator: 'Ctrl+R',
                                    click: () => {
                                        this.browserWindow.reload();
                                    }
                                }
                          ]
                        : [])
                ]
            },
            {
                label: '&Help',
                submenu: [
                    {
                        label: 'Learn More',
                        click: () => {
                            shell.openExternal('https://telestion.wuespace.de/');
                        }
                    }
                ]
            }
        ];
    }
}