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Oğuz YılmazandClaude Opus 5.5
54ec8c6584
Opening a message puts its subject in the browser-tab title. The title does
not stay in the tab strip: browsers keep it in history and in the
session-restore list, and screen shares show it. For mailboxes that hold
other people's correspondence that is a leak nobody audits.
A new feature gate, tabTitleSubjectEnabled ("Subject in Tab Title" under
Admin -> Policy), is on by default, so nothing changes for existing
installs. With it off, the title names the folder instead, so the tab still
says where you are. It is an admin gate rather than a user setting: whose
mail the boxes hold is a deployment decision.
The gate counts as off until the policy has loaded, so a subject never
slips into history while the setting is still unknown.
Refs #1159
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
37 lines
1.5 KiB
TypeScript
37 lines
1.5 KiB
TypeScript
// Browser-tab titles read "<context> - <account> - <app>", the order Gmail and
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// Outlook Web use. Browsers cut a long title from the end, so the part that
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// changes (folder, unread count, subject) goes first and the app name last.
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// The account sits in between, so two mailboxes open side by side stay apart
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// in the tab strip and in session restore. Empty parts are left out. (#1159)
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export function formatTabTitle(
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context: string | null | undefined,
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account: string | null | undefined,
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appName: string,
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): string {
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return [context, account, appName].filter(Boolean).join(' - ');
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}
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/** What the mail view is showing, already localized. */
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export interface MailTitleView {
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/** Composer label while the composer is open ("New message", "Reply", ...). */
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composer?: string | null;
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/** Subject of the open message. */
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subject?: string | null;
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/** Selected mailbox, with its unread count when there is one. */
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mailbox?: string | null;
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}
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/**
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* The context part of the mail view's tab title: composer, then message, then
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* mailbox. The subject does not stay in the tab strip - browsers keep it in
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* history and in the session-restore list, and screen shares show it - so an
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* operator can keep it out (`tabTitleSubjectEnabled`). The mailbox line is
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* shown instead, so the tab still says where you are. (#1159)
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*/
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export function mailTitleContext(
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view: MailTitleView,
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{ showSubject = true }: { showSubject?: boolean } = {},
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): string | null {
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return view.composer || (showSubject ? view.subject : null) || view.mailbox || null;
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}
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