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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 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 void 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_ | |
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