electron/lib/renderer/web-view/guest-view-internal.ts

83 lines
3.1 KiB
TypeScript

import { webFrame, IpcMessageEvent } from 'electron';
import { ipcRendererInternal } from '@electron/internal/renderer/ipc-renderer-internal';
import * as ipcRendererUtils from '@electron/internal/renderer/ipc-renderer-internal-utils';
import { webViewEvents } from '@electron/internal/common/web-view-events';
import { WebViewImpl } from '@electron/internal/renderer/web-view/web-view-impl';
const DEPRECATED_EVENTS: Record<string, string> = {
'page-title-updated': 'page-title-set'
};
const dispatchEvent = function (
webView: WebViewImpl, eventName: string, eventKey: string, ...args: Array<any>
) {
if (DEPRECATED_EVENTS[eventName] != null) {
dispatchEvent(webView, DEPRECATED_EVENTS[eventName], eventKey, ...args);
}
const domEvent = new Event(eventName) as ElectronInternal.WebViewEvent;
webViewEvents[eventKey].forEach((prop, index) => {
(domEvent as any)[prop] = args[index];
});
webView.dispatchEvent(domEvent);
if (eventName === 'load-commit') {
webView.onLoadCommit(domEvent);
} else if (eventName === 'focus-change') {
webView.onFocusChange();
}
};
export function registerEvents (webView: WebViewImpl, viewInstanceId: number) {
ipcRendererInternal.on(`ELECTRON_GUEST_VIEW_INTERNAL_DESTROY_GUEST-${viewInstanceId}`, function () {
webView.guestInstanceId = undefined;
webView.reset();
const domEvent = new Event('destroyed');
webView.dispatchEvent(domEvent);
});
ipcRendererInternal.on(`ELECTRON_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-${viewInstanceId}`, function (event, eventName, ...args) {
dispatchEvent(webView, eventName, eventName, ...args);
});
ipcRendererInternal.on(`ELECTRON_GUEST_VIEW_INTERNAL_IPC_MESSAGE-${viewInstanceId}`, function (event, channel, ...args) {
const domEvent = new Event('ipc-message') as IpcMessageEvent;
domEvent.channel = channel;
domEvent.args = args;
webView.dispatchEvent(domEvent);
});
}
export function deregisterEvents (viewInstanceId: number) {
ipcRendererInternal.removeAllListeners(`ELECTRON_GUEST_VIEW_INTERNAL_DESTROY_GUEST-${viewInstanceId}`);
ipcRendererInternal.removeAllListeners(`ELECTRON_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-${viewInstanceId}`);
ipcRendererInternal.removeAllListeners(`ELECTRON_GUEST_VIEW_INTERNAL_IPC_MESSAGE-${viewInstanceId}`);
}
export function createGuest (params: Record<string, any>): Promise<number> {
return ipcRendererInternal.invoke('ELECTRON_GUEST_VIEW_MANAGER_CREATE_GUEST', params);
}
export function attachGuest (
elementInstanceId: number, guestInstanceId: number, params: Record<string, any>, contentWindow: Window
) {
const embedderFrameId = webFrame.getWebFrameId(contentWindow);
if (embedderFrameId < 0) { // this error should not happen.
throw new Error('Invalid embedder frame');
}
ipcRendererInternal.invoke('ELECTRON_GUEST_VIEW_MANAGER_ATTACH_GUEST', embedderFrameId, elementInstanceId, guestInstanceId, params);
}
export function detachGuest (guestInstanceId: number) {
return ipcRendererUtils.invokeSync('ELECTRON_GUEST_VIEW_MANAGER_DETACH_GUEST', guestInstanceId);
}
export const guestViewInternalModule = {
deregisterEvents,
createGuest,
attachGuest,
detachGuest
};