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// Copyright 2019 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_NOTIFICATIONS_SCHEDULER_INTERNAL_INIT_AWARE_SCHEDULER_H_
#define CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_INTERNAL_INIT_AWARE_SCHEDULER_H_
#include <memory>
#include <optional>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/notifications/scheduler/internal/notification_scheduler.h"
#include "chrome/browser/notifications/scheduler/public/notification_scheduler_types.h"
namespace notifications {
struct NotificationParams;
// NotificationScheduler implementation that caches NotificationScheduler API
// calls and flush them to the actual implementation after initialization
// succeeded.
class InitAwareNotificationScheduler : public NotificationScheduler {
public:
explicit InitAwareNotificationScheduler(
std::unique_ptr<NotificationScheduler> impl);
InitAwareNotificationScheduler(const InitAwareNotificationScheduler&) =
delete;
InitAwareNotificationScheduler& operator=(
const InitAwareNotificationScheduler&) = delete;
~InitAwareNotificationScheduler() override;
private:
// NotificationScheduler implementation.
void Init(InitCallback init_callback) override;
void Schedule(
std::unique_ptr<NotificationParams> notification_params) override;
void DeleteAllNotifications(SchedulerClientType type) override;
void GetClientOverview(
SchedulerClientType type,
ClientOverview::ClientOverviewCallback callback) override;
void OnStartTask(TaskFinishedCallback callback) override;
void OnStopTask() override;
void OnUserAction(const UserActionData& action_data) override;
// Called after initialization is done.
void OnInitialized(InitCallback init_callback, bool success);
// Whether initialization is successfully finished.
bool IsReady() const;
// Caches the closure if the initialization is not finished, or drops the
// closure if initialization failed.
void MaybeCacheClosure(base::OnceClosure closure);
// Whether the initialization is successful. No value if initialization is not
// finished.
std::optional<bool> init_success_;
// Cached calls.
std::vector<base::OnceClosure> cached_closures_;
// Actual implementation.
std::unique_ptr<NotificationScheduler> impl_;
base::WeakPtrFactory<InitAwareNotificationScheduler> weak_ptr_factory_{this};
};
} // namespace notifications
#endif // CHROME_BROWSER_NOTIFICATIONS_SCHEDULER_INTERNAL_INIT_AWARE_SCHEDULER_H_
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