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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/host/remote_input_filter.h" | 5 #include "remoting/host/remote_input_filter.h" |
6 | 6 |
| 7 #include <stdint.h> |
| 8 |
7 #include "base/logging.h" | 9 #include "base/logging.h" |
8 #include "remoting/proto/event.pb.h" | 10 #include "remoting/proto/event.pb.h" |
9 | 11 |
10 namespace { | 12 namespace { |
11 | 13 |
12 // The number of remote mouse events to record for the purpose of eliminating | 14 // The number of remote mouse events to record for the purpose of eliminating |
13 // "echoes" detected by the local input detector. The value should be large | 15 // "echoes" detected by the local input detector. The value should be large |
14 // enough to cope with the fact that multiple events might be injected before | 16 // enough to cope with the fact that multiple events might be injected before |
15 // any echoes are detected. | 17 // any echoes are detected. |
16 const unsigned int kNumRemoteMousePositions = 50; | 18 const unsigned int kNumRemoteMousePositions = 50; |
17 | 19 |
18 // The number of milliseconds for which to block remote input when local input | 20 // The number of milliseconds for which to block remote input when local input |
19 // is received. | 21 // is received. |
20 const int64 kRemoteBlockTimeoutMillis = 2000; | 22 const int64_t kRemoteBlockTimeoutMillis = 2000; |
21 | 23 |
22 } // namespace | 24 } // namespace |
23 | 25 |
24 namespace remoting { | 26 namespace remoting { |
25 | 27 |
26 RemoteInputFilter::RemoteInputFilter(protocol::InputEventTracker* event_tracker) | 28 RemoteInputFilter::RemoteInputFilter(protocol::InputEventTracker* event_tracker) |
27 : event_tracker_(event_tracker), | 29 : event_tracker_(event_tracker), |
28 expect_local_echo_(true) { | 30 expect_local_echo_(true) { |
29 } | 31 } |
30 | 32 |
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96 } | 98 } |
97 | 99 |
98 void RemoteInputFilter::InjectTouchEvent(const protocol::TouchEvent& event) { | 100 void RemoteInputFilter::InjectTouchEvent(const protocol::TouchEvent& event) { |
99 if (ShouldIgnoreInput()) | 101 if (ShouldIgnoreInput()) |
100 return; | 102 return; |
101 event_tracker_->InjectTouchEvent(event); | 103 event_tracker_->InjectTouchEvent(event); |
102 } | 104 } |
103 | 105 |
104 bool RemoteInputFilter::ShouldIgnoreInput() const { | 106 bool RemoteInputFilter::ShouldIgnoreInput() const { |
105 // Ignore remote events if the local mouse moved recently. | 107 // Ignore remote events if the local mouse moved recently. |
106 int64 millis = | 108 int64_t millis = |
107 (base::TimeTicks::Now() - latest_local_input_time_).InMilliseconds(); | 109 (base::TimeTicks::Now() - latest_local_input_time_).InMilliseconds(); |
108 if (millis < kRemoteBlockTimeoutMillis) | 110 if (millis < kRemoteBlockTimeoutMillis) |
109 return true; | 111 return true; |
110 return false; | 112 return false; |
111 } | 113 } |
112 | 114 |
113 } // namespace remoting | 115 } // namespace remoting |
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