OLD | NEW |
| (Empty) |
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 REMOTING_CLIENT_UI_DIRECT_INPUT_STRATEGY_H_ | |
6 #define REMOTING_CLIENT_UI_DIRECT_INPUT_STRATEGY_H_ | |
7 | |
8 #include "remoting/client/ui/input_strategy.h" | |
9 | |
10 namespace remoting { | |
11 | |
12 // This strategy directly translates all operations on the OpenGL view into | |
13 // corresponding operations on the desktop. It doesn't maintain the cursor | |
14 // positions separately -- the positions come from the location of the touch. | |
15 class DirectInputStrategy : public InputStrategy { | |
16 public: | |
17 DirectInputStrategy(); | |
18 ~DirectInputStrategy() override; | |
19 | |
20 // InputStrategy overrides. | |
21 | |
22 void HandleZoom(const ViewMatrix::Point& pivot, | |
23 float scale, | |
24 DesktopViewport* viewport) override; | |
25 | |
26 bool HandlePan(const ViewMatrix::Vector2D& translation, | |
27 Gesture simultaneous_gesture, | |
28 DesktopViewport* viewport) override; | |
29 | |
30 bool TrackTouchInput(const ViewMatrix::Point& touch_point, | |
31 const DesktopViewport& viewport) override; | |
32 | |
33 ViewMatrix::Point GetCursorPosition() const override; | |
34 | |
35 ViewMatrix::Vector2D MapScreenVectorToDesktop( | |
36 const ViewMatrix::Vector2D& delta, | |
37 const DesktopViewport& viewport) const override; | |
38 | |
39 float GetFeedbackRadius(InputFeedbackType type) const override; | |
40 | |
41 bool IsCursorVisible() const override; | |
42 | |
43 private: | |
44 ViewMatrix::Point cursor_position_{0.f, 0.f}; | |
45 | |
46 // TouchInputStrategy is neither copyable nor movable. | |
47 DirectInputStrategy(const DirectInputStrategy&) = delete; | |
48 DirectInputStrategy& operator=(const DirectInputStrategy&) = delete; | |
49 }; | |
50 | |
51 } // namespace remoting | |
52 #endif // REMOTING_CLIENT_UI_DIRECT_INPUT_STRATEGY_H_ | |
OLD | NEW |