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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/kiosk/vision/internals_page_processor.h"
#include <cstddef>
#include <utility>
#include <vector>
#include "base/feature_list.h"
#include "chromeos/ash/components/kiosk/vision/webui/kiosk_vision_internals.mojom.h"
#include "media/capture/video/chromeos/mojom/cros_camera_service.mojom-forward.h"
#include "media/capture/video/chromeos/mojom/cros_camera_service.mojom.h"
namespace ash::kiosk_vision {
namespace {
mojom::StatePtr NewState(mojom::Status status,
std::vector<mojom::LabelPtr> labels = {},
std::vector<mojom::BoxPtr> boxes = {},
std::vector<mojom::FacePtr> faces = {}) {
return mojom::State::New(status, std::move(labels), std::move(boxes),
std::move(faces));
}
mojom::LabelPtr ToPageLabel(int person_id,
const cros::mojom::KioskVisionBoundingBox& box) {
return mojom::Label::New(person_id, box.x, box.y);
}
std::vector<mojom::LabelPtr> ToLabels(
const std::vector<cros::mojom::KioskVisionAppearancePtr>& appearances) {
std::vector<mojom::LabelPtr> labels;
for (const auto& appearance : appearances) {
// An appearance can have two boxes. Add a label for one of the two.
if (appearance->body) {
labels.push_back(
ToPageLabel(appearance->person_id, *appearance->body->box));
} else if (appearance->face) {
labels.push_back(
ToPageLabel(appearance->person_id, *appearance->face->box));
}
}
return labels;
}
mojom::BoxPtr ToPageBox(const cros::mojom::KioskVisionBoundingBox& box) {
return mojom::Box::New(/*x=*/box.x,
/*y=*/box.y,
/*width=*/box.width,
/*height=*/box.height);
}
std::vector<mojom::BoxPtr> ToBoxes(
const std::vector<cros::mojom::KioskVisionAppearancePtr>& appearances) {
std::vector<mojom::BoxPtr> boxes;
for (const auto& appearance : appearances) {
if (appearance->face) {
boxes.push_back(ToPageBox(*appearance->face->box));
}
if (appearance->body) {
boxes.push_back(ToPageBox(*appearance->body->box));
}
}
return boxes;
}
mojom::FacePtr ToPageFace(const cros::mojom::KioskVisionFaceDetection& face) {
return mojom::Face::New(
/*roll=*/face.roll,
/*pan=*/face.pan,
/*tilt=*/face.tilt,
/*box=*/ToPageBox(*face.box));
}
std::vector<mojom::FacePtr> ToFaces(
const std::vector<cros::mojom::KioskVisionAppearancePtr>& appearances) {
std::vector<mojom::FacePtr> faces;
for (const auto& appearance : appearances) {
if (appearance->face) {
faces.push_back(ToPageFace(*appearance->face));
}
}
return faces;
}
} // namespace
InternalsPageProcessor::InternalsPageProcessor()
: last_state_(NewState(mojom::Status::kUnknown)) {}
InternalsPageProcessor::~InternalsPageProcessor() = default;
void InternalsPageProcessor::OnFrameProcessed(
const cros::mojom::KioskVisionDetection& detection) {
NotifyStateChange(
NewState(mojom::Status::kRunning, ToLabels(detection.appearances),
ToBoxes(detection.appearances), ToFaces(detection.appearances)));
}
void InternalsPageProcessor::OnTrackCompleted(
const cros::mojom::KioskVisionTrack& track) {
NotifyStateChange(NewState(mojom::Status::kRunning,
ToLabels(track.appearances),
ToBoxes(track.appearances)));
}
void InternalsPageProcessor::OnError(cros::mojom::KioskVisionError error) {
NotifyStateChange(NewState(mojom::Status::kError));
}
void InternalsPageProcessor::NotifyStateChange(mojom::StatePtr new_state) {
last_state_ = std::move(new_state);
for (auto& observer : observers_) {
observer.OnStateChange(*last_state_);
}
}
void InternalsPageProcessor::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
observer->OnStateChange(*last_state_);
}
void InternalsPageProcessor::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
BASE_FEATURE(kEnableKioskVisionInternalsPage,
"EnableKioskVisionInternalsPage",
base::FEATURE_DISABLED_BY_DEFAULT);
bool IsInternalsPageEnabled() {
return base::FeatureList::IsEnabled(kEnableKioskVisionInternalsPage);
}
} // namespace ash::kiosk_vision
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