sdk/fidl/fuchsia.ui.views/flatland_tokens.fidl

// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library fuchsia.ui.views;

using zx;

/// Two Flatland instances may be connected in a parent-child relationship. The child endpoint is
/// held in a View. This view is strongly associated with a ViewRef and other related protocols.
///
/// ViewCreationToken is a typed wrapper for a channel, representing the child endpoint of the
/// connection between two Flatland instances. No messages will be sent over this channel, because
/// it is only used as an unclonable object with peer.
type ViewCreationToken = resource struct {
    value zx.Handle:CHANNEL;
};

/// Two Flatland instances may be connected in a parent-child relationship. The parent endpoint is
/// held in a Viewport.
///
/// ViewportCreationToken is a typed wrapper for a channel, representing the parent endpoint of the
/// connection between two Flatlands. No messages will be sent over this channel, because it is only
/// used as an unclonable object with peer.
type ViewportCreationToken = resource struct {
    value zx.Handle:CHANNEL;
};