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Side by Side Diff: remoting/client/ui/trackpad_input_strategy.h

Issue 2903623002: Moving input related classes to the input folder. (Closed)
Patch Set: Hide gesture code from nacl. Created 3 years, 7 months ago
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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_TRACKPAD_INPUT_STRATEGY_H_
6 #define REMOTING_CLIENT_UI_TRACKPAD_INPUT_STRATEGY_H_
7
8 #include "remoting/client/ui/input_strategy.h"
9
10 namespace remoting {
11
12 // This strategy simulate the trackpad's behavior. It keeps a visible cursor
13 // with positions independent of the location of the touch events.
14 class TrackpadInputStrategy : public InputStrategy {
15 public:
16 TrackpadInputStrategy(const DesktopViewport& viewport);
17 ~TrackpadInputStrategy() override;
18
19 // InputStrategy overrides.
20 void HandleZoom(const ViewMatrix::Point& pivot,
21 float scale,
22 DesktopViewport* viewport) override;
23
24 bool HandlePan(const ViewMatrix::Vector2D& translation,
25 Gesture simultaneous_gesture,
26 DesktopViewport* viewport) override;
27
28 bool TrackTouchInput(const ViewMatrix::Point& touch_point,
29 const DesktopViewport& viewport) override;
30
31 ViewMatrix::Point GetCursorPosition() const override;
32
33 ViewMatrix::Vector2D MapScreenVectorToDesktop(
34 const ViewMatrix::Vector2D& delta,
35 const DesktopViewport& viewport) const override;
36
37 float GetFeedbackRadius(InputFeedbackType type) const override;
38
39 bool IsCursorVisible() const override;
40
41 private:
42 ViewMatrix::Point cursor_position_;
43
44 // TrackpadInputStrategy is neither copyable nor movable.
45 TrackpadInputStrategy(const TrackpadInputStrategy&) = delete;
46 TrackpadInputStrategy& operator=(const TrackpadInputStrategy&) = delete;
47 };
48
49 } // namespace remoting
50 #endif // REMOTING_CLIENT_UI_TRACKPAD_INPUT_STRATEGY_H_
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