mirror of https://github.com/electron/electron
296 lines
9.3 KiB
TypeScript
296 lines
9.3 KiB
TypeScript
import { BaseWindow, MenuItem, webContents, Menu as MenuType, MenuItemConstructorOptions } from 'electron/main';
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import { sortMenuItems } from '@electron/internal/browser/api/menu-utils';
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import { setApplicationMenuWasSet } from '@electron/internal/browser/default-menu';
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const bindings = process._linkedBinding('electron_browser_menu');
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const { Menu } = bindings as { Menu: typeof MenuType };
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const checked = new WeakMap<MenuItem, boolean>();
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let applicationMenu: MenuType | null = null;
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let groupIdIndex = 0;
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/* Instance Methods */
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Menu.prototype._init = function () {
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this.commandsMap = {};
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this.groupsMap = {};
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this.items = [];
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};
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Menu.prototype._isCommandIdChecked = function (id) {
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const item = this.commandsMap[id];
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if (!item) return false;
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return item.getCheckStatus();
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};
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Menu.prototype._isCommandIdEnabled = function (id) {
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return this.commandsMap[id] ? this.commandsMap[id].enabled : false;
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};
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Menu.prototype._shouldCommandIdWorkWhenHidden = function (id) {
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return this.commandsMap[id] ? !!this.commandsMap[id].acceleratorWorksWhenHidden : false;
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};
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Menu.prototype._isCommandIdVisible = function (id) {
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return this.commandsMap[id] ? this.commandsMap[id].visible : false;
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};
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Menu.prototype._getAcceleratorForCommandId = function (id, useDefaultAccelerator) {
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const command = this.commandsMap[id];
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if (!command) return;
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if (command.accelerator != null) return command.accelerator;
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if (useDefaultAccelerator) return command.getDefaultRoleAccelerator();
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};
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Menu.prototype._shouldRegisterAcceleratorForCommandId = function (id) {
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return this.commandsMap[id] ? this.commandsMap[id].registerAccelerator : false;
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};
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if (process.platform === 'darwin') {
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Menu.prototype._getSharingItemForCommandId = function (id) {
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return this.commandsMap[id] ? this.commandsMap[id].sharingItem : null;
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};
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}
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Menu.prototype._executeCommand = function (event, id) {
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const command = this.commandsMap[id];
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if (!command) return;
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const focusedWindow = BaseWindow.getFocusedWindow();
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command.click(event, focusedWindow, webContents.getFocusedWebContents());
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};
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Menu.prototype._menuWillShow = function () {
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// Ensure radio groups have at least one menu item selected
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for (const id of Object.keys(this.groupsMap)) {
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const found = this.groupsMap[id].find(item => item.checked) || null;
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if (!found) checked.set(this.groupsMap[id][0], true);
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}
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};
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Menu.prototype.popup = function (options = {}) {
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if (options == null || typeof options !== 'object') {
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throw new TypeError('Options must be an object');
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}
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let { window, x, y, positioningItem, sourceType, callback } = options;
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// no callback passed
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if (!callback || typeof callback !== 'function') callback = () => {};
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// set defaults
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if (typeof x !== 'number') x = -1;
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if (typeof y !== 'number') y = -1;
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if (typeof positioningItem !== 'number') positioningItem = -1;
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if (typeof sourceType !== 'string' || !sourceType) sourceType = 'mouse';
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// find which window to use
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const wins = BaseWindow.getAllWindows();
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if (!wins || !wins.includes(window as any)) {
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window = BaseWindow.getFocusedWindow() as any;
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if (!window && wins && wins.length > 0) {
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window = wins[0] as any;
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}
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if (!window) {
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throw new Error('Cannot open Menu without a BaseWindow present');
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}
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}
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this.popupAt(window as unknown as BaseWindow, x, y, positioningItem, sourceType, callback);
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return { browserWindow: window, x, y, position: positioningItem };
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};
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Menu.prototype.closePopup = function (window) {
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if (window instanceof BaseWindow) {
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this.closePopupAt(window.id);
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} else {
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// Passing -1 (invalid) would make closePopupAt close the all menu runners
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// belong to this menu.
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this.closePopupAt(-1);
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}
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};
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Menu.prototype.getMenuItemById = function (id) {
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const items = this.items;
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let found = items.find(item => item.id === id) || null;
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for (let i = 0; !found && i < items.length; i++) {
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const { submenu } = items[i];
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if (submenu) {
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found = submenu.getMenuItemById(id);
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}
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}
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return found;
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};
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Menu.prototype.append = function (item) {
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return this.insert(this.getItemCount(), item);
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};
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Menu.prototype.insert = function (pos, item) {
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if ((item ? item.constructor : undefined) !== MenuItem) {
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throw new TypeError('Invalid item');
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}
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if (pos < 0) {
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throw new RangeError(`Position ${pos} cannot be less than 0`);
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} else if (pos > this.getItemCount()) {
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throw new RangeError(`Position ${pos} cannot be greater than the total MenuItem count`);
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}
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// insert item depending on its type
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insertItemByType.call(this, item, pos);
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// set item properties
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if (item.sublabel) this.setSublabel(pos, item.sublabel);
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if (item.toolTip) this.setToolTip(pos, item.toolTip);
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if (item.icon) this.setIcon(pos, item.icon);
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if (item.role) this.setRole(pos, item.role);
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// Make menu accessible to items.
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item.overrideReadOnlyProperty('menu', this);
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// Remember the items.
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this.items.splice(pos, 0, item);
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this.commandsMap[item.commandId] = item;
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};
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Menu.prototype._callMenuWillShow = function () {
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if (this.delegate) this.delegate.menuWillShow(this);
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for (const item of this.items) {
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if (item.submenu) item.submenu._callMenuWillShow();
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}
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};
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/* Static Methods */
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Menu.getApplicationMenu = () => applicationMenu;
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Menu.sendActionToFirstResponder = bindings.sendActionToFirstResponder;
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// set application menu with a preexisting menu
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Menu.setApplicationMenu = function (menu: MenuType) {
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if (menu && menu.constructor !== Menu) {
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throw new TypeError('Invalid menu');
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}
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applicationMenu = menu;
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setApplicationMenuWasSet();
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if (process.platform === 'darwin') {
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if (!menu) return;
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menu._callMenuWillShow();
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bindings.setApplicationMenu(menu);
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} else {
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const windows = BaseWindow.getAllWindows();
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windows.map(w => w.setMenu(menu));
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}
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};
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Menu.buildFromTemplate = function (template) {
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if (!Array.isArray(template)) {
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throw new TypeError('Invalid template for Menu: Menu template must be an array');
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}
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if (!areValidTemplateItems(template)) {
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throw new TypeError('Invalid template for MenuItem: must have at least one of label, role or type');
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}
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const sorted = sortTemplate(template);
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const filtered = removeExtraSeparators(sorted);
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const menu = new Menu();
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for (const item of filtered) {
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if (item instanceof MenuItem) {
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menu.append(item);
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} else {
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menu.append(new MenuItem(item));
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}
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}
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return menu;
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};
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/* Helper Functions */
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// validate the template against having the wrong attribute
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function areValidTemplateItems (template: (MenuItemConstructorOptions | MenuItem)[]) {
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return template.every(item =>
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item != null &&
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typeof item === 'object' &&
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(Object.hasOwn(item, 'label') || Object.hasOwn(item, 'role') || item.type === 'separator'));
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}
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function sortTemplate (template: (MenuItemConstructorOptions | MenuItem)[]) {
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const sorted = sortMenuItems(template);
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for (const item of sorted) {
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if (Array.isArray(item.submenu)) {
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item.submenu = sortTemplate(item.submenu);
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}
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}
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return sorted;
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}
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// Search between separators to find a radio menu item and return its group id
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function generateGroupId (items: (MenuItemConstructorOptions | MenuItem)[], pos: number) {
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if (pos > 0) {
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for (let idx = pos - 1; idx >= 0; idx--) {
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if (items[idx].type === 'radio') return (items[idx] as MenuItem).groupId;
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if (items[idx].type === 'separator') break;
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}
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} else if (pos < items.length) {
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for (let idx = pos; idx <= items.length - 1; idx++) {
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if (items[idx].type === 'radio') return (items[idx] as MenuItem).groupId;
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if (items[idx].type === 'separator') break;
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}
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}
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groupIdIndex += 1;
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return groupIdIndex;
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}
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function removeExtraSeparators (items: (MenuItemConstructorOptions | MenuItem)[]) {
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// fold adjacent separators together
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let ret = items.filter((e, idx, arr) => {
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if (e.visible === false) return true;
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return e.type !== 'separator' || idx === 0 || arr[idx - 1].type !== 'separator';
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});
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// remove edge separators
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ret = ret.filter((e, idx, arr) => {
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if (e.visible === false) return true;
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return e.type !== 'separator' || (idx !== 0 && idx !== arr.length - 1);
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});
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return ret;
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}
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function insertItemByType (this: MenuType, item: MenuItem, pos: number) {
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const types = {
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normal: () => this.insertItem(pos, item.commandId, item.label),
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checkbox: () => this.insertCheckItem(pos, item.commandId, item.label),
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separator: () => this.insertSeparator(pos),
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submenu: () => this.insertSubMenu(pos, item.commandId, item.label, item.submenu),
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radio: () => {
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// Grouping radio menu items
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item.overrideReadOnlyProperty('groupId', generateGroupId(this.items, pos));
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if (this.groupsMap[item.groupId] == null) {
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this.groupsMap[item.groupId] = [];
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}
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this.groupsMap[item.groupId].push(item);
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// Setting a radio menu item should flip other items in the group.
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checked.set(item, item.checked);
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Object.defineProperty(item, 'checked', {
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enumerable: true,
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get: () => checked.get(item),
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set: () => {
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for (const other of this.groupsMap[item.groupId]) {
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if (other !== item) checked.set(other, false);
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}
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checked.set(item, true);
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}
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});
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this.insertRadioItem(pos, item.commandId, item.label, item.groupId);
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}
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};
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types[item.type]();
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}
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module.exports = Menu;
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