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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(); | |
19 } | 17 } |
20 | 18 |
21 MouseInputFilter::~MouseInputFilter() { | 19 MouseInputFilter::~MouseInputFilter() { |
22 } | 20 } |
23 | 21 |
24 void MouseInputFilter::InjectMouseEvent(const MouseEvent& event) { | 22 void MouseInputFilter::InjectMouseEvent(const MouseEvent& event) { |
25 if (input_max_.isEmpty() || output_max_.isEmpty()) | 23 if (input_max_.is_empty() || output_max_.is_empty()) |
26 return; | 24 return; |
27 | 25 |
28 // We scale based on the maximum input & output coordinates, rather than the | 26 // We scale based on the maximum input & output coordinates, rather than the |
29 // input and output sizes, so that it's possible to reach the edge of the | 27 // input and output sizes, so that it's possible to reach the edge of the |
30 // output when up-scaling. We also take care to round up or down correctly, | 28 // output when up-scaling. We also take care to round up or down correctly, |
31 // which is important when down-scaling. | 29 // which is important when down-scaling. |
32 MouseEvent out_event(event); | 30 MouseEvent out_event(event); |
33 if (out_event.has_x()) { | 31 if (out_event.has_x()) { |
34 int x = out_event.x() * output_max_.width(); | 32 int x = out_event.x() * output_max_.width(); |
35 x = (x + input_max_.width() / 2) / input_max_.width(); | 33 x = (x + input_max_.width() / 2) / input_max_.width(); |
36 out_event.set_x(std::max(0, std::min(output_max_.width(), x))); | 34 out_event.set_x(std::max(0, std::min(output_max_.width(), x))); |
37 } | 35 } |
38 if (out_event.has_y()) { | 36 if (out_event.has_y()) { |
39 int y = out_event.y() * output_max_.height(); | 37 int y = out_event.y() * output_max_.height(); |
40 y = (y + input_max_.height() / 2) / input_max_.height(); | 38 y = (y + input_max_.height() / 2) / input_max_.height(); |
41 out_event.set_y(std::max(0, std::min(output_max_.height(), y))); | 39 out_event.set_y(std::max(0, std::min(output_max_.height(), y))); |
42 } | 40 } |
43 | 41 |
44 InputFilter::InjectMouseEvent(out_event); | 42 InputFilter::InjectMouseEvent(out_event); |
45 } | 43 } |
46 | 44 |
47 void MouseInputFilter::set_input_size(const SkISize& size) { | 45 void MouseInputFilter::set_input_size(const webrtc::DesktopSize& size) { |
48 input_max_ = SkISize::Make(size.width() - 1, size.height() - 1); | 46 input_max_.set(size.width() - 1, size.height() - 1); |
49 } | 47 } |
50 | 48 |
51 void MouseInputFilter::set_output_size(const SkISize& size) { | 49 void MouseInputFilter::set_output_size(const webrtc::DesktopSize& size) { |
52 output_max_ = SkISize::Make(size.width() - 1, size.height() - 1); | 50 output_max_.set(size.width() - 1, size.height() - 1); |
53 } | 51 } |
54 | 52 |
55 } // namespace protocol | 53 } // namespace protocol |
56 } // namespace remoting | 54 } // namespace remoting |
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