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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/test/scroll_frame_generator.h"
#include "remoting/test/frame_generator_util.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
namespace remoting {
namespace test {
namespace {
int kScrollSpeedPixelsPerSecond = 500;
} // namespace
ScrollFrameGenerator::ScrollFrameGenerator()
: base_frame_(LoadDesktopFrameFromPng("test_frame2.png")),
start_time_(base::TimeTicks::Now()) {}
ScrollFrameGenerator::~ScrollFrameGenerator() = default;
std::unique_ptr<webrtc::DesktopFrame> ScrollFrameGenerator::GenerateFrame(
webrtc::SharedMemoryFactory* shared_memory_factory) {
base::TimeTicks now = base::TimeTicks::Now();
int position = static_cast<int>(kScrollSpeedPixelsPerSecond *
(now - start_time_).InSecondsF()) %
base_frame_->size().height();
std::unique_ptr<webrtc::DesktopFrame> result(
new webrtc::BasicDesktopFrame(base_frame_->size()));
int top_height = base_frame_->size().height() - position;
result->CopyPixelsFrom(*base_frame_, webrtc::DesktopVector(0, position),
webrtc::DesktopRect::MakeLTRB(
0, 0, base_frame_->size().width(), top_height));
result->CopyPixelsFrom(
*base_frame_, webrtc::DesktopVector(0, 0),
webrtc::DesktopRect::MakeLTRB(0, top_height, base_frame_->size().width(),
base_frame_->size().height()));
result->mutable_updated_region()->SetRect(
webrtc::DesktopRect::MakeSize(result->size()));
return result;
}
protocol::InputEventTimestamps ScrollFrameGenerator::TakeLastEventTimestamps() {
base::TimeTicks now = base::TimeTicks::Now();
return protocol::InputEventTimestamps{now, now};
}
} // namespace test
} // namespace remoting
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