100 lines
3.4 KiB
TypeScript
100 lines
3.4 KiB
TypeScript
import * as roles from '@electron/internal/browser/api/menu-item-roles';
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import { Menu, BaseWindow, WebContents, KeyboardEvent } from 'electron/main';
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let nextCommandId = 0;
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const MenuItem = function (this: any, options: any) {
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// Preserve extra fields specified by user
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for (const key in options) {
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if (!(key in this)) this[key] = options[key];
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}
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if (typeof this.role === 'string' || this.role instanceof String) {
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this.role = this.role.toLowerCase();
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}
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this.submenu = this.submenu || roles.getDefaultSubmenu(this.role);
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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', roles.getDefaultType(this.role));
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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', roles.getDefaultLabel(this.role));
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this.overrideProperty('sublabel', '');
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this.overrideProperty('toolTip', '');
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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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this.overrideProperty('acceleratorWorksWhenHidden', true);
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this.overrideProperty('registerAccelerator', roles.shouldRegisterAccelerator(this.role));
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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.overrideReadOnlyProperty('commandId', ++nextCommandId);
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Object.defineProperty(this, 'userAccelerator', {
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get: () => {
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if (process.platform !== 'darwin') return null;
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if (!this.menu) return null;
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return this.menu._getUserAcceleratorAt(this.commandId);
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},
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enumerable: true
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});
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const click = options.click;
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this.click = (event: KeyboardEvent, focusedWindow: BaseWindow, focusedWebContents: WebContents) => {
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// Manually flip the checked flags when clicked.
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if (!roles.shouldOverrideCheckStatus(this.role) &&
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(this.type === 'checkbox' || this.type === 'radio')) {
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this.checked = !this.checked;
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}
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if (!roles.execute(this.role, focusedWindow, focusedWebContents)) {
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if (typeof click === 'function') {
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click(this, focusedWindow, event);
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} else if (typeof this.selector === 'string' && process.platform === 'darwin') {
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Menu.sendActionToFirstResponder(this.selector);
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}
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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.getDefaultRoleAccelerator = function () {
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return roles.getDefaultAccelerator(this.role);
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};
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MenuItem.prototype.getCheckStatus = function () {
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if (!roles.shouldOverrideCheckStatus(this.role)) return this.checked;
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return roles.getCheckStatus(this.role);
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};
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MenuItem.prototype.overrideProperty = function (name: string, defaultValue: any = null) {
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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: string, defaultValue: any) {
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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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