42 lines
1.8 KiB
TypeScript
42 lines
1.8 KiB
TypeScript
import { IPC_MESSAGES } from '@electron/internal/common/ipc-messages';
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import { ipcRendererInternal } from '@electron/internal/renderer/ipc-renderer-internal';
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import type * as guestViewInternalModule from '@electron/internal/renderer/web-view/guest-view-internal';
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import type * as webViewElementModule from '@electron/internal/renderer/web-view/web-view-element';
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const v8Util = process._linkedBinding('electron_common_v8_util');
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const { mainFrame: webFrame } = process._linkedBinding('electron_renderer_web_frame');
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function handleFocusBlur () {
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// Note that while Chromium content APIs have observer for focus/blur, they
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// unfortunately do not work for webview.
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window.addEventListener('focus', () => {
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ipcRendererInternal.send(IPC_MESSAGES.GUEST_VIEW_MANAGER_FOCUS_CHANGE, true);
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});
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window.addEventListener('blur', () => {
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ipcRendererInternal.send(IPC_MESSAGES.GUEST_VIEW_MANAGER_FOCUS_CHANGE, false);
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});
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}
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export function webViewInit (webviewTag: boolean, isWebView: boolean) {
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// Don't allow recursive `<webview>`.
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if (webviewTag && !isWebView) {
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const guestViewInternal = require('@electron/internal/renderer/web-view/guest-view-internal') as typeof guestViewInternalModule;
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if (process.contextIsolated) {
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v8Util.setHiddenValue(window, 'guestViewInternal', guestViewInternal);
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} else {
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const { setupWebView } = require('@electron/internal/renderer/web-view/web-view-element') as typeof webViewElementModule;
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setupWebView({
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guestViewInternal,
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allowGuestViewElementDefinition: webFrame.allowGuestViewElementDefinition,
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setIsWebView: iframe => v8Util.setHiddenValue(iframe, 'isWebView', true)
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});
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}
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}
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if (isWebView) {
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// Report focus/blur events of webview to browser.
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handleFocusBlur();
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}
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}
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