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// Copyright 2014 The Chromium Authors. All rights reserved.
// 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/macros.h"
#include "base/memory/ref_counted.h"
#include "components/update_client/crx_update_item.h"
#include "components/update_client/update_response.h"
#include "url/gurl.h"
namespace update_client {
class PersistedData;
class Configurator;
class UpdateChecker {
public:
using UpdateCheckCallback =
base::Callback<void(int error,
const UpdateResponse::Results& results,
int retry_after_sec)>;
using Factory = std::unique_ptr<UpdateChecker> (*)(
const scoped_refptr<Configurator>& config,
PersistedData* persistent);
virtual ~UpdateChecker() {}
// Initiates an update check for the |items_to_check|. |additional_attributes|
// provides a way to customize the <request> element. This value is inserted
// as-is, therefore it must be well-formed as an XML attribute string.
virtual bool CheckForUpdates(
const IdToCrxUpdateItemMap& items_to_check,
const std::string& additional_attributes,
bool enabled_component_updates,
const UpdateCheckCallback& update_check_callback) = 0;
static std::unique_ptr<UpdateChecker> Create(
const scoped_refptr<Configurator>& config,
PersistedData* persistent);
protected:
UpdateChecker() {}
private:
DISALLOW_COPY_AND_ASSIGN(UpdateChecker);
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_UPDATE_CHECKER_H_
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