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// Copyright 2021 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_APPS_APP_DISCOVERY_SERVICE_APP_DISCOVERY_SERVICE_H_
#define CHROME_BROWSER_APPS_APP_DISCOVERY_SERVICE_APP_DISCOVERY_SERVICE_H_
#include <memory>
#include "base/callback_list.h"
#include "base/feature_list.h"
#include "chrome/browser/apps/app_discovery_service/app_discovery_util.h"
#include "components/keyed_service/core/keyed_service.h"
class Profile;
namespace apps {
class AppFetcherManager;
// API for consumers to use to fetch apps.
class AppDiscoveryService : public KeyedService {
public:
explicit AppDiscoveryService(Profile* profile);
AppDiscoveryService(const AppDiscoveryService&) = delete;
AppDiscoveryService& operator=(const AppDiscoveryService&) = delete;
~AppDiscoveryService() override;
// Returns a valid CallbackListSubscription if the supplied |result_type| can
// handle app updates. After successful registration, each time updates to
// data of |result_type| occurs, |callback| will be called.
//
// Clients should check the returned callback is alive and
// save the returned value as a member variable to ensure correct lifecycle
// management.
base::CallbackListSubscription RegisterForAppUpdates(
ResultType result_type,
RepeatingResultCallback callback);
// Queries for apps of the requested |result_type|.
// |callback| is called when a response to the request is ready.
void GetApps(ResultType result_type, ResultCallback callback);
// Queries for an app's icon, identified by |icon_id|.
// |callback| is called when a response to the request is ready.
// Virtual for testing.
virtual void GetIcon(const std::string& icon_id,
int32_t size_hint_in_dip,
ResultType result_type,
GetIconCallback callback);
private:
std::unique_ptr<AppFetcherManager> app_fetcher_manager_;
};
} // namespace apps
#endif // CHROME_BROWSER_APPS_APP_DISCOVERY_SERVICE_APP_DISCOVERY_SERVICE_H_
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