Index: remoting/protocol/input_event_timestamps.h |
diff --git a/remoting/protocol/input_event_timestamps.h b/remoting/protocol/input_event_timestamps.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3cb13ceac07414ff57dce6d532495c515a8d1de6 |
--- /dev/null |
+++ b/remoting/protocol/input_event_timestamps.h |
@@ -0,0 +1,61 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef REMOTING_PROTOCOL_INPUT_EVENT_TIMESTAMPS_H_ |
+#define REMOTING_PROTOCOL_INPUT_EVENT_TIMESTAMPS_H_ |
+ |
+#include "base/memory/ref_counted.h" |
+#include "base/time/time.h" |
+ |
+namespace remoting { |
+namespace protocol { |
+ |
+// Used on the host side to track timestamps for input events. |
+struct InputEventTimestamps { |
+ // Client-side timestamps. This value comesfrom the client clock, so it should |
Jamie
2016/10/12 21:41:23
Nit: missing space "comesfrom"
Sergey Ulanov
2016/10/14 19:34:26
Done.
|
+ // not be used for any calculations on the host side (except in tests). |
+ base::TimeTicks client_timestamp; |
+ |
+ // Time when the event was received by the host. |
+ base::TimeTicks host_timestamp; |
+ |
+ bool is_null() { return client_timestamp.is_null(); } |
+}; |
+ |
+// InputEventTimestampSource is used by VideoStream implementations to get event |
+// timestamps that are sent back to the client as part of VideoStats message. |
+class InputEventTimestampSource |
+ : public base::RefCountedThreadSafe<InputEventTimestampSource> { |
+ public: |
+ InputEventTimestampSource() {} |
+ |
+ virtual InputEventTimestamps GetLastEventTimestamps() = 0; |
+ |
+ protected: |
+ friend base::RefCountedThreadSafe<InputEventTimestampSource>; |
+ virtual ~InputEventTimestampSource() {} |
+}; |
+ |
+// Simple implementations of InputEventTimestampSource that just stores the |
+// value provided to OnEventReceived(). |
+class InputEventTimestampSourceImpl : public InputEventTimestampSource { |
+ public: |
+ InputEventTimestampSourceImpl(); |
+ |
+ void OnEventReceived(InputEventTimestamps timestamps); |
+ |
+ // InputEventTimestampSource implementation. |
+ InputEventTimestamps GetLastEventTimestamps() override; |
+ |
+ protected: |
+ ~InputEventTimestampSourceImpl() override; |
+ |
+ private: |
+ InputEventTimestamps last_timestamps_; |
+}; |
+ |
+} // namespace protocol |
+} // namespace remoting |
+ |
+#endif // REMOTING_PROTOCOL_INPUT_EVENT_TIMESTAMPS_H_ |