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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef COMPONENTS_MUS_DEMO_MUS_DEMO_H_ | |
6 #define COMPONENTS_MUS_DEMO_MUS_DEMO_H_ | |
7 | |
8 #include <map> | |
9 #include <memory> | |
10 #include <string> | |
11 #include <vector> | |
12 | |
13 #include "base/callback.h" | |
14 #include "base/macros.h" | |
15 #include "base/timer/timer.h" | |
16 #include "components/mus/public/cpp/window_manager_delegate.h" | |
17 #include "components/mus/public/cpp/window_tree_client_delegate.h" | |
18 #include "services/shell/public/cpp/shell_client.h" | |
19 #include "third_party/skia/include/core/SkBitmap.h" | |
20 | |
21 namespace bitmap_uploader { | |
22 class BitmapUploader; | |
23 } | |
24 | |
25 namespace mus_demo { | |
26 | |
27 // A simple MUS Demo mojo app. This app connects to the mojo:mus, creates a new | |
28 // window and draws a spinning square in the center of the window. Provides a | |
29 // simple way to demonstrate that the graphic stack works as intended. | |
30 class MusDemo : public shell::ShellClient, | |
31 public mus::WindowTreeClientDelegate, | |
32 public mus::WindowManagerDelegate { | |
33 public: | |
34 MusDemo(); | |
35 ~MusDemo() override; | |
36 | |
37 private: | |
38 // shell::ShellClient: | |
39 void Initialize(shell::Connector* connector, | |
40 const shell::Identity& identity, | |
41 uint32_t id) override; | |
42 bool AcceptConnection(shell::Connection* connection) override; | |
43 | |
44 // WindowTreeClientDelegate: | |
45 void OnEmbed(mus::Window* root) override; | |
46 void OnDidDestroyClient(mus::WindowTreeClient* client) override; | |
47 void OnEventObserved(const ui::Event& event, mus::Window* target) override; | |
48 | |
49 // WindowManagerDelegate: | |
50 void SetWindowManagerClient(mus::WindowManagerClient* client) override; | |
51 bool OnWmSetBounds(mus::Window* window, gfx::Rect* bounds) override; | |
52 bool OnWmSetProperty( | |
53 mus::Window* window, | |
54 const std::string& name, | |
55 std::unique_ptr<std::vector<uint8_t>>* new_data) override; | |
56 mus::Window* OnWmCreateTopLevelWindow( | |
57 std::map<std::string, std::vector<uint8_t>>* properties) override; | |
58 void OnWmClientJankinessChanged(const std::set<mus::Window*>& client_windows, | |
59 bool janky) override; | |
60 void OnWmNewDisplay(mus::Window* window, | |
61 const display::Display& display) override; | |
62 void OnAccelerator(uint32_t id, const ui::Event& event) override; | |
63 | |
64 // Allocate a bitmap the same size as the window to draw into. | |
65 void AllocBitmap(); | |
66 | |
67 // Draws one frame, incrementing the rotation angle. | |
68 void DrawFrame(); | |
69 | |
70 shell::Connector* connector_ = nullptr; | |
71 | |
72 mus::Window* window_ = nullptr; | |
73 mus::WindowTreeClient* window_tree_client_ = nullptr; | |
74 | |
75 // Used to send frames to mus. | |
76 std::unique_ptr<bitmap_uploader::BitmapUploader> uploader_; | |
77 | |
78 // Bitmap that is the same size as our client window area. | |
79 SkBitmap bitmap_; | |
80 | |
81 // Timer for calling DrawFrame(). | |
82 base::RepeatingTimer timer_; | |
83 | |
84 // Current rotation angle for drawing. | |
85 double angle_ = 0.0; | |
86 | |
87 DISALLOW_COPY_AND_ASSIGN(MusDemo); | |
88 }; | |
89 | |
90 } // namespace mus_demo | |
91 | |
92 #endif // COMPONENTS_MUS_DEMO_MUS_DEMO_H_ | |
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