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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.
#ifndef CHROMEOS_ASH_COMPONENTS_KIOSK_VISION_INTERNAL_DETECTION_OBSERVER_H_
#define CHROMEOS_ASH_COMPONENTS_KIOSK_VISION_INTERNAL_DETECTION_OBSERVER_H_
#include "base/feature_list.h"
#include "base/timer/timer.h"
#include "chromeos/ash/components/kiosk/vision/internal/detection_processor.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 {
// When enabled, `DetectionObserver` will emit fake detections to processors.
// Used for development purposes only.
BASE_DECLARE_FEATURE(kEmitKioskVisionFakes);
// Receives detections from `CrosCameraService` and forwards them to the given
// `processors`.
class DetectionObserver : public cros::mojom::KioskVisionObserver {
public:
explicit DetectionObserver(DetectionProcessors processors);
DetectionObserver(const DetectionObserver&) = delete;
DetectionObserver& operator=(const DetectionObserver&) = delete;
~DetectionObserver() override;
// `cros::mojom::KioskVisionObserver` implementations.
void OnFrameProcessed(
cros::mojom::KioskVisionDetectionPtr detection) override;
void OnTrackCompleted(cros::mojom::KioskVisionTrackPtr track) override;
void OnError(cros::mojom::KioskVisionError error) override;
private:
void EmitFakeDetection();
DetectionProcessors processors_;
bool fake_detection_flag_ = false;
int fake_detection_offset_ = 0;
base::RepeatingTimer fake_detection_timer_;
};
} // namespace ash::kiosk_vision
#endif // CHROMEOS_ASH_COMPONENTS_KIOSK_VISION_INTERNAL_DETECTION_OBSERVER_H_
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