OLD | NEW |
| (Empty) |
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_TOUCH_INPUT_SCALER_H_ | |
6 #define REMOTING_CLIENT_TOUCH_INPUT_SCALER_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "remoting/protocol/input_filter.h" | |
10 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" | |
11 | |
12 namespace remoting { | |
13 | |
14 namespace protocol { | |
15 class TouchEvent; | |
16 } // namespace protocol | |
17 | |
18 // Scales the touch input coordinates to host coordinates and clamps so | |
19 // that the values do not go outside the remote desktop. | |
20 // Also resizes the touch size. | |
21 class TouchInputScaler : public protocol::InputFilter { | |
22 public: | |
23 TouchInputScaler() = default; | |
24 explicit TouchInputScaler(InputStub* input_stub); | |
25 ~TouchInputScaler() override; | |
26 | |
27 // Set input and output desktop sizes. | |
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 // These hold the max-X,Y coordinates and not the actual width and height. | |
41 webrtc::DesktopSize input_size_; | |
42 webrtc::DesktopSize output_size_; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(TouchInputScaler); | |
45 }; | |
46 | |
47 } // namespace remoting | |
48 | |
49 #endif // REMOTING_CLIENT_TOUCH_INPUT_SCALER_H_ | |
OLD | NEW |