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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "remoting/protocol/mouse_input_filter.h" | 5 #include "remoting/protocol/mouse_input_filter.h" |
6 | 6 |
7 #include "remoting/proto/event.pb.h" | 7 #include "remoting/proto/event.pb.h" |
8 | 8 |
9 namespace remoting { | 9 namespace remoting { |
10 namespace protocol { | 10 namespace protocol { |
11 | 11 |
12 MouseInputFilter::MouseInputFilter() { | 12 MouseInputFilter::MouseInputFilter() { |
13 } | 13 } |
14 | 14 |
15 MouseInputFilter::MouseInputFilter(InputStub* input_stub) | 15 MouseInputFilter::MouseInputFilter(InputStub* input_stub) |
16 : InputFilter(input_stub) { | 16 : InputFilter(input_stub) { |
| 17 input_max_.setEmpty(); |
| 18 output_max_.setEmpty(); |
17 } | 19 } |
18 | 20 |
19 MouseInputFilter::~MouseInputFilter() { | 21 MouseInputFilter::~MouseInputFilter() { |
20 } | 22 } |
21 | 23 |
22 void MouseInputFilter::InjectMouseEvent(const MouseEvent& event) { | 24 void MouseInputFilter::InjectMouseEvent(const MouseEvent& event) { |
23 if (input_max_.is_empty() || output_max_.is_empty()) | 25 if (input_max_.isEmpty() || output_max_.isEmpty()) |
24 return; | 26 return; |
25 | 27 |
26 // We scale based on the maximum input & output coordinates, rather than the | 28 // We scale based on the maximum input & output coordinates, rather than the |
27 // input and output sizes, so that it's possible to reach the edge of the | 29 // input and output sizes, so that it's possible to reach the edge of the |
28 // output when up-scaling. We also take care to round up or down correctly, | 30 // output when up-scaling. We also take care to round up or down correctly, |
29 // which is important when down-scaling. | 31 // which is important when down-scaling. |
30 MouseEvent out_event(event); | 32 MouseEvent out_event(event); |
31 if (out_event.has_x()) { | 33 if (out_event.has_x()) { |
32 int x = out_event.x() * output_max_.width(); | 34 int x = out_event.x() * output_max_.width(); |
33 x = (x + input_max_.width() / 2) / input_max_.width(); | 35 x = (x + input_max_.width() / 2) / input_max_.width(); |
34 out_event.set_x(std::max(0, std::min(output_max_.width(), x))); | 36 out_event.set_x(std::max(0, std::min(output_max_.width(), x))); |
35 } | 37 } |
36 if (out_event.has_y()) { | 38 if (out_event.has_y()) { |
37 int y = out_event.y() * output_max_.height(); | 39 int y = out_event.y() * output_max_.height(); |
38 y = (y + input_max_.height() / 2) / input_max_.height(); | 40 y = (y + input_max_.height() / 2) / input_max_.height(); |
39 out_event.set_y(std::max(0, std::min(output_max_.height(), y))); | 41 out_event.set_y(std::max(0, std::min(output_max_.height(), y))); |
40 } | 42 } |
41 | 43 |
42 InputFilter::InjectMouseEvent(out_event); | 44 InputFilter::InjectMouseEvent(out_event); |
43 } | 45 } |
44 | 46 |
45 void MouseInputFilter::set_input_size(const webrtc::DesktopSize& size) { | 47 void MouseInputFilter::set_input_size(const SkISize& size) { |
46 input_max_.set(size.width() - 1, size.height() - 1); | 48 input_max_ = SkISize::Make(size.width() - 1, size.height() - 1); |
47 } | 49 } |
48 | 50 |
49 void MouseInputFilter::set_output_size(const webrtc::DesktopSize& size) { | 51 void MouseInputFilter::set_output_size(const SkISize& size) { |
50 output_max_.set(size.width() - 1, size.height() - 1); | 52 output_max_ = SkISize::Make(size.width() - 1, size.height() - 1); |
51 } | 53 } |
52 | 54 |
53 } // namespace protocol | 55 } // namespace protocol |
54 } // namespace remoting | 56 } // namespace remoting |
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