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Side by Side Diff: ui/compositor/layer_observer.h

Issue 2383263002: Generalize layer mirroring for phantom windows (Closed)
Patch Set: Address nit Created 4 years, 2 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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 UI_COMPOSITOR_LAYER_OBSERVER_H_ 5 #ifndef UI_COMPOSITOR_LAYER_OBSERVER_H_
6 #define UI_COMPOSITOR_LAYER_OBSERVER_H_ 6 #define UI_COMPOSITOR_LAYER_OBSERVER_H_
7 7
8 #include "ui/compositor/compositor_export.h" 8 #include "ui/compositor/compositor_export.h"
9 9
10 namespace ui { 10 namespace ui {
11 11
12 class Layer; 12 class Layer;
13 13
14 class COMPOSITOR_EXPORT LayerObserver { 14 class COMPOSITOR_EXPORT LayerObserver {
15 public: 15 public:
16 virtual void DidPaintLayer(Layer* layer, const gfx::Rect& region) {}
17 virtual void SurfaceChanged(Layer* layer) {}
18 virtual void LayerDestroyed(Layer* layer) {} 16 virtual void LayerDestroyed(Layer* layer) {}
19 17
20 protected: 18 protected:
21 virtual ~LayerObserver() {} 19 virtual ~LayerObserver() {}
22 }; 20 };
23 21
24 } // namespace ui 22 } // namespace ui
25 23
26 #endif // UI_COMPOSITOR_LAYER_OBSERVER_H_ 24 #endif // UI_COMPOSITOR_LAYER_OBSERVER_H_
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