| // Copyright 2014 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/compositor/layer_tree_owner.h" |
| |
| #include "base/memory/raw_ptr.h" |
| #include "ui/compositor/layer.h" |
| |
| namespace ui { |
| |
| namespace { |
| |
| // Deletes |layer| and all its descendants. |
| void DeepDeleteLayers(Layer* layer) { |
| std::vector<raw_ptr<Layer, VectorExperimental>> children = layer->children(); |
| for (std::vector<raw_ptr<Layer, VectorExperimental>>::const_iterator it = |
| children.begin(); |
| it != children.end(); ++it) { |
| Layer* child = *it; |
| DeepDeleteLayers(child); |
| } |
| delete layer; |
| } |
| |
| } // namespace |
| |
| LayerTreeOwner::LayerTreeOwner(std::unique_ptr<Layer> root) |
| : root_(root.release()) {} |
| |
| LayerTreeOwner::~LayerTreeOwner() { |
| if (root_) |
| DeepDeleteLayers(root_); |
| } |
| |
| } // namespace ui |