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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_TREE_SYNCHRONIZER_H_ | 5 #ifndef CC_TREE_SYNCHRONIZER_H_ |
6 #define CC_TREE_SYNCHRONIZER_H_ | 6 #define CC_TREE_SYNCHRONIZER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "cc/cc_export.h" | 10 #include "cc/base/cc_export.h" |
11 #include "cc/scoped_ptr_hash_map.h" | 11 #include "cc/base/scoped_ptr_hash_map.h" |
12 | 12 |
13 namespace cc { | 13 namespace cc { |
14 | 14 |
15 class LayerImpl; | 15 class LayerImpl; |
16 class LayerTreeImpl; | 16 class LayerTreeImpl; |
17 class Layer; | 17 class Layer; |
18 | 18 |
19 class CC_EXPORT TreeSynchronizer { | 19 class CC_EXPORT TreeSynchronizer { |
20 public: | 20 public: |
21 // Accepts a Layer tree and returns a reference to a LayerImpl tree that dup
licates the structure | 21 // Accepts a Layer tree and returns a reference to a LayerImpl tree that dup
licates the structure |
22 // of the Layer tree, reusing the LayerImpls in the tree provided by oldLaye
rImplRoot if possible. | 22 // of the Layer tree, reusing the LayerImpls in the tree provided by oldLaye
rImplRoot if possible. |
23 static scoped_ptr<LayerImpl> synchronizeTrees(Layer* layerRoot, scoped_ptr<L
ayerImpl> oldLayerImplRoot, LayerTreeImpl*); | 23 static scoped_ptr<LayerImpl> synchronizeTrees(Layer* layerRoot, scoped_ptr<L
ayerImpl> oldLayerImplRoot, LayerTreeImpl*); |
24 static scoped_ptr<LayerImpl> synchronizeTrees(LayerImpl* layerRoot, scoped_p
tr<LayerImpl> oldLayerImplRoot, LayerTreeImpl*); | 24 static scoped_ptr<LayerImpl> synchronizeTrees(LayerImpl* layerRoot, scoped_p
tr<LayerImpl> oldLayerImplRoot, LayerTreeImpl*); |
25 | 25 |
26 // Pushes properties from a Layer or LayerImpl tree to a structurally equiva
lent | 26 // Pushes properties from a Layer or LayerImpl tree to a structurally equiva
lent |
27 // LayerImpl tree. | 27 // LayerImpl tree. |
28 static void pushProperties(Layer* layerRoot, LayerImpl* layerImplRoot); | 28 static void pushProperties(Layer* layerRoot, LayerImpl* layerImplRoot); |
29 static void pushProperties(LayerImpl* layerRoot, LayerImpl* layerImplRoot); | 29 static void pushProperties(LayerImpl* layerRoot, LayerImpl* layerImplRoot); |
30 | 30 |
31 private: | 31 private: |
32 TreeSynchronizer(); // Not instantiable. | 32 TreeSynchronizer(); // Not instantiable. |
33 | 33 |
34 DISALLOW_COPY_AND_ASSIGN(TreeSynchronizer); | 34 DISALLOW_COPY_AND_ASSIGN(TreeSynchronizer); |
35 }; | 35 }; |
36 | 36 |
37 } // namespace cc | 37 } // namespace cc |
38 | 38 |
39 #endif // CC_TREE_SYNCHRONIZER_H_ | 39 #endif // CC_TREE_SYNCHRONIZER_H_ |
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