export struct TabRow {
    id: int,
    // "mail" | "calendar" | "contacts" | "files" | "settings"
    workspace: string,
    // Saved title for inactive tabs; empty uses the workspace name.
    title: string,
    active: bool,
}

// Browser-style tabs. Rust owns the tab list; each tab is a saved location
// that is restored through the app's normal navigation when activated.
export global TabsUi {
    in property <[TabRow]> rows;
    // Tabs are turned on and there is mail to show. The desktop top bar
    // shows them as a strip; compact layouts show a tab switcher.
    in property <bool> enabled;
    // The window uses the compact layout, which shows a tab switcher in the
    // toolbars instead of the strip.
    in property <bool> compact;
    // The compact tab overview is open.
    in-out property <bool> overview-open;
    // Counts the tabs shown, for single-pane layouts to show the right page;
    // `shown-conversation` tells whether the tab shown last has a
    // conversation open.
    in property <int> shown;
    in property <bool> shown-conversation;
    // A closed tab can be reopened.
    in property <bool> can-reopen;
    callback select(int);
    callback close(int);
    // Close every tab except this one, or the tabs to its right.
    callback close-others(int);
    callback close-to-right(int);
    callback create();
    // Reopen the most recently closed tab.
    callback reopen();
    // Move the tab with this id to a new index.
    callback move(int, int);
    // Open a conversation from the current list in a new tab; the flag
    // activates the tab, otherwise it opens in the background.
    callback open-conversation(int, bool);
    // Open the checked conversations of the mail list in background tabs.
    callback open-checked();
    // Keyboard commands: "new", "close", "reopen", "next", "previous",
    // "last", or a zero-based index.
    callback command(string);
    // The active tab's place changed through ordinary navigation.
    callback navigated();
    // The mail list's scroll offset from the top, kept current by the mail
    // view, and the offset a shown tab scrolls back to. Each request makes
    // the list scroll to `list-restore` once its rows are laid out; a
    // negative value means nothing is pending. `list-restore-view` names the
    // mailbox, search and filter it belongs to, one per line.
    in-out property <length> list-offset;
    in-out property <length> list-restore: -1px;
    in-out property <string> list-restore-view;
    in-out property <int> list-restore-request;
    // Re-apply the active tab once local mail storage is ready.
    callback restore-active();
    // Forget every tab and its saved state, leaving one Inbox tab.
    callback reset();
    // An account was removed: tabs forget its mailboxes and conversations.
    callback account-removed(string);
    // Mail is grouped differently now: tabs forget the conversations or
    // messages they had open, whose ids belong to the old grouping.
    callback regroup();
    // Save every tab now, before the application exits.
    callback flush();
}

export component WorkspaceIcon inherits Image {
    in property <string> workspace;
    in property <bool> filled;
    source: root.workspace == "calendar"
            ? (root.filled ? @image-url("../icons/lucide/filled/calendar.svg") : @image-url("../icons/lucide/outline/calendar.svg"))
        : root.workspace == "files"
            ? (root.filled ? @image-url("../icons/lucide/filled/files.svg") : @image-url("../icons/lucide/outline/files.svg"))
        : root.workspace == "contacts"
            ? (root.filled ? @image-url("../icons/lucide/filled/contacts.svg") : @image-url("../icons/lucide/outline/contacts.svg"))
        : root.workspace == "settings"
            ? (root.filled ? @image-url("../icons/lucide/filled/gear.svg") : @image-url("../icons/lucide/outline/gear.svg"))
        : (root.filled ? @image-url("../icons/lucide/filled/mail.svg") : @image-url("../icons/lucide/outline/mail.svg"));
    image-fit: contain;
    accessible-role: none;
}