| // 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. |
| |
| [RuntimeEnabled=DisplayLocking, ActiveScriptWrappable] |
| interface DisplayLockContext { |
| // Acquires a display lock (possibly asynchronously) with the given options. |
| // Returns a promise that resolves when the lock is acquired. |
| [CallWith=ScriptState] Promise<any> acquire(optional DisplayLockOptions options); |
| |
| // Causes co-operative updates to happen on the locked subtree. |
| // Returns a promise that resolves when the update is finished. |
| [CallWith=ScriptState] Promise<any> update(); |
| |
| // Commits the locked subtree, which releases the lock and updates any |
| // necessary lifecycle phases. |
| // Returns a promise that resolves when the commit is finished. |
| [CallWith=ScriptState] Promise<any> commit(); |
| }; |