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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 ASH_FRAME_HEADER_PAINTER_H_ | 5 #ifndef ASH_FRAME_HEADER_PAINTER_H_ |
6 #define ASH_FRAME_HEADER_PAINTER_H_ | 6 #define ASH_FRAME_HEADER_PAINTER_H_ |
7 | 7 |
8 #include "ash/ash_export.h" | 8 #include "ash/ash_export.h" |
9 | 9 |
10 namespace gfx { | 10 namespace gfx { |
11 class Canvas; | 11 class Canvas; |
12 } | 12 } |
13 | 13 |
14 namespace ash { | 14 namespace ash { |
15 | 15 |
16 // Helper class for painting the window header. | 16 // Helper class for painting the window header. |
17 class ASH_EXPORT HeaderPainter { | 17 class ASH_EXPORT HeaderPainter { |
18 public: | 18 public: |
19 enum Mode { | 19 enum Mode { MODE_ACTIVE, MODE_INACTIVE }; |
20 MODE_ACTIVE, | |
21 MODE_INACTIVE | |
22 }; | |
23 | 20 |
24 virtual ~HeaderPainter() { | 21 virtual ~HeaderPainter() {} |
25 } | |
26 | 22 |
27 // Returns the header's minimum width. | 23 // Returns the header's minimum width. |
28 virtual int GetMinimumHeaderWidth() const = 0; | 24 virtual int GetMinimumHeaderWidth() const = 0; |
29 | 25 |
30 // Paints the header. | 26 // Paints the header. |
31 virtual void PaintHeader(gfx::Canvas* canvas, Mode mode) = 0; | 27 virtual void PaintHeader(gfx::Canvas* canvas, Mode mode) = 0; |
32 | 28 |
33 // Performs layout for the header. | 29 // Performs layout for the header. |
34 virtual void LayoutHeader() = 0; | 30 virtual void LayoutHeader() = 0; |
35 | 31 |
36 // Get the height of the header. | 32 // Get the height of the header. |
37 virtual int GetHeaderHeight() const = 0; | 33 virtual int GetHeaderHeight() const = 0; |
38 | 34 |
39 // Gets / sets how much of the header is painted. This allows the header to | 35 // Gets / sets how much of the header is painted. This allows the header to |
40 // paint under things (like the tabstrip) which have transparent / | 36 // paint under things (like the tabstrip) which have transparent / |
41 // non-painting sections. This height does not affect LayoutHeader(). | 37 // non-painting sections. This height does not affect LayoutHeader(). |
42 virtual int GetHeaderHeightForPainting() const = 0; | 38 virtual int GetHeaderHeightForPainting() const = 0; |
43 virtual void SetHeaderHeightForPainting(int height_for_painting) = 0; | 39 virtual void SetHeaderHeightForPainting(int height_for_painting) = 0; |
44 | 40 |
45 // Schedule a re-paint of the entire title. | 41 // Schedule a re-paint of the entire title. |
46 virtual void SchedulePaintForTitle() = 0; | 42 virtual void SchedulePaintForTitle() = 0; |
47 }; | 43 }; |
48 | 44 |
49 } // namespace ash | 45 } // namespace ash |
50 | 46 |
51 #endif // ASH_FRAME_HEADER_PAINTER_H_ | 47 #endif // ASH_FRAME_HEADER_PAINTER_H_ |
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