// Copyright 2014 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;

import "input_events/public/interfaces/input_events.mojom";
import "mojo/public/interfaces/application/service_provider.mojom";

interface WindowManager {
  // Requests the WindowManager to embed the app for |url| at an appropriate
  // View. See ViewMangerService::Embed() for details on |services| and
  // |exposed_services|.
  Embed(string url,
        ServiceProvider&? services,
        ServiceProvider? exposed_services);

  SetCapture(uint32 view_id) => (bool success);
  FocusWindow(uint32 view_id) => (bool success);
  ActivateWindow(uint32 view_id) => (bool success);

  // Requests the current focus and activation state and an interface to observe
  // future changes.
  // If |observer| is not null capture, focus and activation updates will be
  // sent to it.
  GetFocusedAndActiveViews(WindowManagerObserver? observer)
      => (uint32 capture_view_id,
          uint32 focused_view_id,
          uint32 active_view_id);
};

interface WindowManagerObserver {
  OnCaptureChanged(uint32 capture_view_id);
  OnFocusChanged(uint32 focused_view_id);
  OnActiveWindowChanged(uint32 focused_view_id);
};