1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef UI_COMPOSITOR_LAYER_TREE_OWNER_H_
6 #define UI_COMPOSITOR_LAYER_TREE_OWNER_H_
8 #include "base/basictypes.h"
9 #include "ui/compositor/compositor_export.h"
15 // Scoping object that owns a Layer and all its descendants.
16 class COMPOSITOR_EXPORT LayerTreeOwner {
18 explicit LayerTreeOwner(Layer* root);
21 Layer* release() WARN_UNUSED_RESULT {
27 Layer* root() { return root_; }
28 const Layer* root() const { return root_; }
33 DISALLOW_COPY_AND_ASSIGN(LayerTreeOwner);
38 #endif // UI_COMPOSITOR_LAYER_TREE_OWNER_H_