electron/lib/renderer/web-view/web-view-init.ts
Shelley Vohr 659e79fc08
refactor: prevent consistent early exception (#24191)
* refactor: prevent consistent early exception

* Use _linkedBinding where possible

* Remove dead electronBinding
2020-06-22 20:32:45 -07:00

36 lines
1.3 KiB
TypeScript

import { ipcRendererInternal } from '@electron/internal/renderer/ipc-renderer-internal';
const v8Util = process._linkedBinding('electron_common_v8_util');
function handleFocusBlur (guestInstanceId: number) {
// Note that while Chromium content APIs have observer for focus/blur, they
// unfortunately do not work for webview.
window.addEventListener('focus', () => {
ipcRendererInternal.send('ELECTRON_GUEST_VIEW_MANAGER_FOCUS_CHANGE', true, guestInstanceId);
});
window.addEventListener('blur', () => {
ipcRendererInternal.send('ELECTRON_GUEST_VIEW_MANAGER_FOCUS_CHANGE', false, guestInstanceId);
});
}
export function webViewInit (
contextIsolation: boolean, webviewTag: ElectronInternal.WebViewElement, guestInstanceId: number
) {
// Don't allow recursive `<webview>`.
if (webviewTag && guestInstanceId == null) {
const { webViewImplModule } = require('@electron/internal/renderer/web-view/web-view-impl');
if (contextIsolation) {
v8Util.setHiddenValue(window, 'web-view-impl', webViewImplModule);
} else {
const { setupWebView } = require('@electron/internal/renderer/web-view/web-view-element');
setupWebView(v8Util, webViewImplModule);
}
}
if (guestInstanceId) {
// Report focus/blur events of webview to browser.
handleFocusBlur(guestInstanceId);
}
}