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1 // Copyright 2015 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_PLUGIN_TOUCH_INPUT_SCALER_H_ | |
6 #define REMOTING_CLIENT_PLUGIN_TOUCH_INPUT_SCALER_H_ | |
7 | |
8 #include "remoting/protocol/input_filter.h" | |
9 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" | |
10 | |
11 namespace remoting { | |
12 | |
13 namespace protocol { | |
14 class TouchEvent; | |
15 } // namespace protocol | |
16 | |
17 // Scales the touch input coordinates to host coordinates and clamps so | |
18 // that the values do not go outside the remote desktop. | |
19 // Also resizes the touch radii. | |
20 class TouchInputScaler : public protocol::InputFilter { | |
21 public: | |
22 TouchInputScaler() = default; | |
23 explicit TouchInputScaler(InputStub* input_stub); | |
24 ~TouchInputScaler() override; | |
25 | |
26 // Set input and output desktop sizes. - 1 so that it can be used as the "max" | |
27 // size. | |
Wez
2015/02/05 02:09:06
The "-1..." comment doesn't really help clarify an
Rintaro Kuroiwa
2015/02/06 23:35:00
Done.
| |
28 void set_input_size(const webrtc::DesktopSize& size) { | |
29 input_size_.set(size.width() - 1, size.height() - 1); | |
30 } | |
31 void set_output_size(const webrtc::DesktopSize& size) { | |
32 output_size_.set(size.width() - 1, size.height() - 1); | |
33 } | |
34 | |
35 // protocol::InputStub interface. | |
36 void InjectTouchEvent(const protocol::TouchEvent& event) override; | |
37 | |
38 private: | |
39 // Sizes for scaling and clamping coordinates and sizes. | |
40 webrtc::DesktopSize input_size_; | |
41 webrtc::DesktopSize output_size_; | |
42 | |
43 DISALLOW_COPY_AND_ASSIGN(TouchInputScaler); | |
44 }; | |
45 | |
46 } // namespace remoting | |
47 | |
48 #endif // REMOTING_CLIENT_PLUGIN_TOUCH_INPUT_SCALER_H_ | |
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