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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 COMPONENTS_MANTA_SCANNER_PROVIDER_H_
#define COMPONENTS_MANTA_SCANNER_PROVIDER_H_
#include <memory>
#include <string>
#include "base/component_export.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "components/manta/base_provider.h"
#include "components/manta/proto/scanner.pb.h"
#include "components/manta/provider_params.h"
#include "components/signin/public/identity_manager/identity_manager.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
namespace manta {
inline constexpr char kScannerInputTypeUrl[] =
"type.googleapis.com/"
"mdi.aratea.cros.scanner.ScannerInput";
inline constexpr char kScannerOutputTypeUrl[] =
"type.googleapis.com/"
"mdi.aratea.cros.scanner.ScannerOutput";
// The Scanner provider for the Manta project. Provides a method for clients to
// call the relevant google API, handling OAuth and http fetching.
// IMPORTANT: This class depends on `IdentityManager`.
// `ScannerProvider::Call` will return an empty response after `IdentityManager`
// destruction.
class COMPONENT_EXPORT(MANTA) ScannerProvider : virtual public BaseProvider {
public:
// Returns a `ScannerProvider` instance tied to the profile of the
// passed arguments.
ScannerProvider(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
signin::IdentityManager* identity_manager,
const ProviderParams& provider_params);
ScannerProvider(const ScannerProvider&) = delete;
ScannerProvider& operator=(const ScannerProvider&) = delete;
~ScannerProvider() override;
using ScannerProtoResponseCallback =
base::OnceCallback<void(std::unique_ptr<manta::proto::ScannerOutput>,
MantaStatus)>;
// Calls the google service endpoint with the http POST request payload.
// The fetched response is processed and returned to the caller via a
// `MantaProtoResponseCallback` callback.
// In demo mode, it uses the Google API key for authentication, otherwise uses
// `IdentityManager`, in this case it will give an empty response if
// `IdentityManager` is no longer valid.
void Call(const manta::proto::ScannerInput& scanner_input,
ScannerProtoResponseCallback done_callback);
private:
friend class FakeScannerProvider;
base::WeakPtrFactory<ScannerProvider> weak_ptr_factory_{this};
};
} // namespace manta
#endif // COMPONENTS_MANTA_SCANNER_PROVIDER_H_
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