scroll_frame_generator.cc 1.9 KB

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  1. // Copyright 2016 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. #include "remoting/test/scroll_frame_generator.h"
  5. #include "remoting/test/frame_generator_util.h"
  6. #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
  7. namespace remoting {
  8. namespace test {
  9. namespace {
  10. int kScrollSpeedPixelsPerSecond = 500;
  11. } // namespace
  12. ScrollFrameGenerator::ScrollFrameGenerator()
  13. : base_frame_(LoadDesktopFrameFromPng("test_frame2.png")),
  14. start_time_(base::TimeTicks::Now()) {}
  15. ScrollFrameGenerator::~ScrollFrameGenerator() = default;
  16. std::unique_ptr<webrtc::DesktopFrame> ScrollFrameGenerator::GenerateFrame(
  17. webrtc::SharedMemoryFactory* shared_memory_factory) {
  18. base::TimeTicks now = base::TimeTicks::Now();
  19. int position = static_cast<int>(kScrollSpeedPixelsPerSecond *
  20. (now - start_time_).InSecondsF()) %
  21. base_frame_->size().height();
  22. std::unique_ptr<webrtc::DesktopFrame> result(
  23. new webrtc::BasicDesktopFrame(base_frame_->size()));
  24. int top_height = base_frame_->size().height() - position;
  25. result->CopyPixelsFrom(*base_frame_, webrtc::DesktopVector(0, position),
  26. webrtc::DesktopRect::MakeLTRB(
  27. 0, 0, base_frame_->size().width(), top_height));
  28. result->CopyPixelsFrom(
  29. *base_frame_, webrtc::DesktopVector(0, 0),
  30. webrtc::DesktopRect::MakeLTRB(0, top_height, base_frame_->size().width(),
  31. base_frame_->size().height()));
  32. result->mutable_updated_region()->SetRect(
  33. webrtc::DesktopRect::MakeSize(result->size()));
  34. return result;
  35. }
  36. protocol::InputEventTimestamps ScrollFrameGenerator::TakeLastEventTimestamps() {
  37. base::TimeTicks now = base::TimeTicks::Now();
  38. return protocol::InputEventTimestamps{now, now};
  39. }
  40. } // namespace test
  41. } // namespace remoting