blob: 9af8180290046bb84d29b8c62e4889c8a8de6488 [file] [log] [blame]
// Copyright 2019 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.
namespace exo {
class Surface;
class PointerConstraintDelegate {
virtual ~PointerConstraintDelegate() = default;
// Called when this lock is broken for any reason. Possibly:
// - A user action broke the lock.
// - The lock was granted to a different client.
// - The pointer was destroyed while the lock was active.
// No matter the case, this delegate no longer holds the lock and therefore
// should not call UnconstrainPointer().
virtual void OnConstraintBroken() = 0;
// Callback to access the surface which this delegate wants to lock the
// curstor for.
virtual Surface* GetConstrainedSurface() = 0;
} // namespace exo