mojo/services/ui/views/interfaces/view_provider.mojom

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

[DartPackage="mojo_services"]
module mojo.ui;

import "mojo/public/interfaces/application/service_provider.mojom";
import "mojo/services/ui/views/interfaces/views.mojom";

// Provides a View upon request.
//
// Applications should implement and expose this service so that they can
// expose views to be embedded into other applications.
interface ViewProvider {
  // Creates and registers a view with the view manager and returns its
  // view token (as provided by |ViewManager.RegisterView()|).
  //
  // Having received the view token, the caller should attach the view to
  // a view tree and lay it out.
  //
  // The caller may provide services to the view via the |services|
  // service provider.
  //
  // The caller may receive services from the view via the |exposed_services|
  // service provider.
  CreateView(mojo.ServiceProvider&? services,
             mojo.ServiceProvider? exposed_services) =>
                 (ViewToken view_token);
};