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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_SIMPLE_SCAN_RUNNER_H_
#define CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_SIMPLE_SCAN_RUNNER_H_
#include <optional>
#include <string>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/common/extensions/api/document_scan.h"
#include "chromeos/crosapi/mojom/document_scan.mojom.h"
#include "extensions/common/extension_id.h"
namespace extensions {
class Extension;
// Handles API requests from chrome.documentScan.scan including selecting a
// scanner and collecting the returned results.
class SimpleScanRunner {
public:
using SimpleScanCallback = base::OnceCallback<void(
std::optional<api::document_scan::ScanResults> scan_results,
std::optional<std::string> error)>;
using SimpleScanRunnerCallback =
base::OnceCallback<void(crosapi::mojom::ScanFailureMode,
const std::optional<std::string>&)>;
SimpleScanRunner(scoped_refptr<const Extension> extension,
crosapi::mojom::DocumentScan* document_scan);
~SimpleScanRunner();
void Start(std::vector<std::string> mime_types, SimpleScanCallback callback);
const ExtensionId& extension_id() const;
private:
void OnSimpleScanListReceived(
bool force_virtual_usb_printer,
crosapi::mojom::GetScannerListResponsePtr response);
void OnOpenScannerResponse(crosapi::mojom::OpenScannerResponsePtr response);
void OnStartPreparedScanResponse(
crosapi::mojom::StartPreparedScanResponsePtr response);
void OnReadScanDataResponse(crosapi::mojom::ReadScanDataResponsePtr response);
void OnCloseScannerResponse(crosapi::mojom::CloseScannerResponsePtr response);
void OnSimpleScanCompleted(crosapi::mojom::ScanFailureMode failure_mode);
void OpenFirstScanner();
void ReadScanData();
scoped_refptr<const Extension> extension_;
const raw_ptr<crosapi::mojom::DocumentScan> document_scan_;
// List of potential scanners to open.
std::vector<std::string> scanner_ids_;
// Parameters for the in-progress call.
std::vector<std::string> mime_types_;
SimpleScanCallback callback_;
// State for the in-progress scan.
std::string scanner_handle_;
std::string job_handle_;
std::vector<uint8_t> scan_data_;
crosapi::mojom::ScanFailureMode scan_result_;
base::WeakPtrFactory<SimpleScanRunner> weak_ptr_factory_{this};
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_SIMPLE_SCAN_RUNNER_H_
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