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// Copyright 2014 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_UPDATE_CLIENT_UPDATE_CHECKER_H_
#define COMPONENTS_UPDATE_CLIENT_UPDATE_CHECKER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/containers/flat_map.h"
#include "base/memory/ref_counted.h"
#include "components/update_client/component.h"
#include "components/update_client/protocol_parser.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "url/gurl.h"
namespace update_client {
class Configurator;
class PersistedData;
struct UpdateContext;
class UpdateChecker {
public:
using UpdateCheckCallback = base::OnceCallback<void(
const absl::optional<ProtocolParser::Results>& results,
ErrorCategory error_category,
int error,
int retry_after_sec)>;
using Factory =
std::unique_ptr<UpdateChecker> (*)(scoped_refptr<Configurator> config,
PersistedData* persistent);
UpdateChecker(const UpdateChecker&) = delete;
UpdateChecker& operator=(const UpdateChecker&) = delete;
virtual ~UpdateChecker() = default;
// Initiates an update check for the components specified by their ids.
// `update_context` contains the updateable apps. `additional_attributes`
// specifies any extra request data to send. On completion, the state of
// `components` is mutated as required by the server response received.
virtual void CheckForUpdates(
scoped_refptr<UpdateContext> update_context,
const base::flat_map<std::string, std::string>& additional_attributes,
UpdateCheckCallback update_check_callback) = 0;
static std::unique_ptr<UpdateChecker> Create(
scoped_refptr<Configurator> config,
PersistedData* persistent);
protected:
UpdateChecker() = default;
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_UPDATE_CHECKER_H_
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