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. 4 5 #include "ui/compositor/layer_tree_owner.h" 6 7 #include "ui/compositor/layer.h" 8 9 namespace ui { 10 11 namespace { 12 13 // Deletes |layer| and all its descendants. DeepDeleteLayers(Layer * layer)14void DeepDeleteLayers(Layer* layer) { 15 std::vector<Layer*> children = layer->children(); 16 for (std::vector<Layer*>::const_iterator it = children.begin(); 17 it != children.end(); 18 ++it) { 19 Layer* child = *it; 20 DeepDeleteLayers(child); 21 } 22 delete layer; 23 } 24 25 } // namespace 26 LayerTreeOwner(Layer * root)27LayerTreeOwner::LayerTreeOwner(Layer* root) : root_(root) {} 28 ~LayerTreeOwner()29LayerTreeOwner::~LayerTreeOwner() { 30 if (root_) 31 DeepDeleteLayers(root_); 32 } 33 34 } // namespace ui 35