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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/cc_export.h" |
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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, LayerTreeHostImpl*); | 23 static scoped_ptr<LayerImpl> synchronizeTrees(Layer* layerRoot, scoped_ptr<L
ayerImpl> oldLayerImplRoot, LayerTreeHostImpl*); |
24 | 24 |
25 private: | 25 private: |
26 TreeSynchronizer(); // Not instantiable. | 26 TreeSynchronizer(); // Not instantiable. |
27 | 27 |
28 typedef ScopedPtrHashMap<int, LayerImpl> ScopedPtrLayerImplMap; | 28 typedef ScopedPtrHashMap<int, LayerImpl> ScopedPtrLayerImplMap; |
29 typedef base::hash_map<int, LayerImpl*> RawPtrLayerImplMap; | 29 typedef base::hash_map<int, LayerImpl*> RawPtrLayerImplMap; |
30 | 30 |
31 // Declared as static member functions so they can access functions on Layer
as a friend class. | 31 // Declared as static member functions so they can access functions on Layer
as a friend class. |
32 static scoped_ptr<LayerImpl> reuseOrCreateLayerImpl(RawPtrLayerImplMap& newL
ayers, ScopedPtrLayerImplMap& oldLayers, Layer*); | 32 static scoped_ptr<LayerImpl> reuseOrCreateLayerImpl(RawPtrLayerImplMap& newL
ayers, ScopedPtrLayerImplMap& oldLayers, Layer*, LayerTreeHostImpl*); |
33 static void collectExistingLayerImplRecursive(ScopedPtrLayerImplMap& oldLaye
rs, scoped_ptr<LayerImpl>); | 33 static void collectExistingLayerImplRecursive(ScopedPtrLayerImplMap& oldLaye
rs, scoped_ptr<LayerImpl>); |
34 static scoped_ptr<LayerImpl> synchronizeTreeRecursive(RawPtrLayerImplMap& ne
wLayers, ScopedPtrLayerImplMap& oldLayers, Layer*, LayerTreeHostImpl*); | 34 static scoped_ptr<LayerImpl> synchronizeTreeRecursive(RawPtrLayerImplMap& ne
wLayers, ScopedPtrLayerImplMap& oldLayers, Layer*, LayerTreeHostImpl*); |
35 static void updateScrollbarLayerPointersRecursive(const RawPtrLayerImplMap&
newLayers, Layer*); | 35 static void updateScrollbarLayerPointersRecursive(const RawPtrLayerImplMap&
newLayers, Layer*); |
36 | 36 |
37 DISALLOW_COPY_AND_ASSIGN(TreeSynchronizer); | 37 DISALLOW_COPY_AND_ASSIGN(TreeSynchronizer); |
38 }; | 38 }; |
39 | 39 |
40 } // namespace cc | 40 } // namespace cc |
41 | 41 |
42 #endif // CC_TREE_SYNCHRONIZER_H_ | 42 #endif // CC_TREE_SYNCHRONIZER_H_ |
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