ash/public/interfaces/multi_user_window_manager.mojom

// Copyright 2018 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.

module ash.mojom;

import "components/account_id/interfaces/account_id.mojom";

// Used to assign windows to user accounts so that ash shows the appropriate set
// of windows based on the active user.
interface MultiUserWindowManager {
  SetClient(associated MultiUserWindowManagerClient client);

  // Associates a window with an account. If |show_for_current_user| is true,
  // the window is associated with |account_id|, but is shown for the currently
  // active user.
  SetWindowOwner(uint64 window_id,
                 signin.mojom.AccountId account_id,
                 bool show_for_current_user);

  // Shows a previously registered window for the specified account.
  ShowWindowForUser(uint64 window_id,
                    signin.mojom.AccountId account_id);
};

interface MultiUserWindowManagerClient {
  // Called when the owner of a window supplied to SetWindowOwner() changes.
  // |was_minimized| is true if the window was minimized. |teleported| is true
  // if the window was not on the desktop of the current user.
  OnWindowOwnerEntryChanged(uint64 window_id,
                            signin.mojom.AccountId account_id,
                            bool was_minimized,
                            bool teleported);

  // Called when the active account changes. This is followed by
  // OnTransitionUserShelfToNewAccount() and OnDidSwitchActiveAccount().
  OnWillSwitchActiveAccount(signin.mojom.AccountId account_id);

  // Called at the time when the user's shelf should transition to the account
  // supplied to OnWillSwitchActiveAccount().
  OnTransitionUserShelfToNewAccount();

  // Called when the active account change is complete.
  OnDidSwitchActiveAccount();
};