dc74092a09
Update window-setup.ts The message should simply read "is not supported" or, alternatively, "is not, and will not, be supported", but not "is and will not be supported".
53 lines
2.5 KiB
TypeScript
53 lines
2.5 KiB
TypeScript
import { IPC_MESSAGES } from '@electron/internal/common/ipc-messages';
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import { internalContextBridge } from '@electron/internal/renderer/api/context-bridge';
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import { ipcRendererInternal } from '@electron/internal/renderer/ipc-renderer-internal';
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const { contextIsolationEnabled } = internalContextBridge;
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export const windowSetup = (isWebView: boolean, isHiddenPage: boolean) => {
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if (!process.sandboxed && !isWebView) {
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// Override default window.close.
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window.close = function () {
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ipcRendererInternal.send(IPC_MESSAGES.BROWSER_WINDOW_CLOSE);
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};
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if (contextIsolationEnabled) internalContextBridge.overrideGlobalValueFromIsolatedWorld(['close'], window.close);
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}
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// But we do not support prompt().
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window.prompt = function () {
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throw new Error('prompt() is not supported.');
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};
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if (contextIsolationEnabled) internalContextBridge.overrideGlobalValueFromIsolatedWorld(['prompt'], window.prompt);
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if (isWebView) {
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// Webview `document.visibilityState` tracks window visibility (and ignores
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// the actual <webview> element visibility) for backwards compatibility.
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// See discussion in #9178.
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//
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// Note that this results in duplicate visibilitychange events (since
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// Chromium also fires them) and potentially incorrect visibility change.
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// We should reconsider this decision for Electron 2.0.
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let cachedVisibilityState = isHiddenPage ? 'hidden' : 'visible';
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// Subscribe to visibilityState changes.
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ipcRendererInternal.on(IPC_MESSAGES.GUEST_INSTANCE_VISIBILITY_CHANGE, function (_event, visibilityState: DocumentVisibilityState) {
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if (cachedVisibilityState !== visibilityState) {
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cachedVisibilityState = visibilityState;
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document.dispatchEvent(new Event('visibilitychange'));
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}
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});
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// Make document.hidden and document.visibilityState return the correct value.
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const getDocumentHidden = () => cachedVisibilityState !== 'visible';
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Object.defineProperty(document, 'hidden', {
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get: getDocumentHidden
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});
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if (contextIsolationEnabled) internalContextBridge.overrideGlobalPropertyFromIsolatedWorld(['document', 'hidden'], getDocumentHidden);
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const getDocumentVisibilityState = () => cachedVisibilityState;
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Object.defineProperty(document, 'visibilityState', {
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get: getDocumentVisibilityState
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});
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if (contextIsolationEnabled) internalContextBridge.overrideGlobalPropertyFromIsolatedWorld(['document', 'visibilityState'], getDocumentVisibilityState);
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}
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};
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