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1 // Copyright 2017 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 #ifndef SERVICES_UI_DEMO_WINDOW_TREE_DATA_H_ | |
6 #define SERVICES_UI_DEMO_WINDOW_TREE_DATA_H_ | |
7 | |
8 #include "base/memory/ptr_util.h" | |
9 #include "base/timer/timer.h" | |
10 | |
11 namespace aura { | |
12 class Window; | |
13 class WindowTreeHostMus; | |
14 } // namespace aura | |
15 | |
16 namespace aura_extra { | |
17 class ImageWindowDelegate; | |
18 } // namespace aura_extra | |
19 | |
20 namespace ui { | |
21 namespace demo { | |
22 | |
23 class WindowTreeData { | |
24 public: | |
25 explicit WindowTreeData(int square_size); | |
26 virtual ~WindowTreeData(); | |
kylechar
2017/02/15 14:35:06
Will this become a base class that needs a virtual
fwang
2017/02/15 15:02:53
Mmh, no. I guess I should remove the virtual keywo
| |
27 | |
28 // Initializes the window tree host and start drawing frames. | |
29 void Init(std::unique_ptr<aura::WindowTreeHostMus> window_tree_host); | |
30 bool IsInitialized() { return !!window_tree_host_; } | |
31 | |
32 private: | |
33 // Draws one frame, incrementing the rotation angle. | |
34 void DrawFrame(); | |
35 | |
36 // Helper function to retrieve the window to which we draw the bitmap. | |
37 aura::Window* bitmap_window(); | |
38 | |
39 // The Window tree host corresponding to this data. | |
40 std::unique_ptr<aura::WindowTreeHostMus> window_tree_host_; | |
41 | |
42 // Destroys itself when the window gets destroyed. | |
43 aura_extra::ImageWindowDelegate* window_delegate_ = nullptr; | |
44 | |
45 // Timer for calling DrawFrame(). | |
46 base::RepeatingTimer timer_; | |
47 | |
48 // Current rotation angle for drawing. | |
49 double angle_ = 0.0; | |
50 | |
51 // Size in pixels of the square to draw. | |
52 const int square_size_; | |
53 | |
54 DISALLOW_COPY_AND_ASSIGN(WindowTreeData); | |
55 }; | |
56 | |
57 } // namespace demo | |
58 } // namespace aura | |
kylechar
2017/02/15 14:35:06
// namespace ui
fwang
2017/02/15 15:02:53
Acknowledged.
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59 | |
60 #endif // SERVICES_UI_DEMO_WINDOW_TREE_DATA_H_ | |
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