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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 CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_SCHEDULER_H_
#define CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_SCHEDULER_H_
#include <map>
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "build/build_config.h"
#include "content/common/content_export.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "third_party/blink/public/mojom/background_sync/background_sync.mojom.h"
namespace content {
class StoragePartitionImpl;
// This contains the logic to schedule delayed processing of (periodic)
// Background Sync registrations.
// It keeps track of all storage partitions, and the soonest time we should
// attempt to fire (periodic)sync events for it.
class CONTENT_EXPORT BackgroundSyncScheduler
: public base::RefCountedThreadSafe<BackgroundSyncScheduler,
BrowserThread::DeleteOnUIThread> {
public:
static BackgroundSyncScheduler* GetFor(BrowserContext* browser_context);
BackgroundSyncScheduler();
BackgroundSyncScheduler(const BackgroundSyncScheduler&) = delete;
BackgroundSyncScheduler& operator=(const BackgroundSyncScheduler&) = delete;
// Schedules delayed_processing for |sync_type| for |storage_partition|.
// On non-Android platforms, runs |delayed_task| after |delay| has passed.
// TODO(crbug.com/40641360): Add logic to schedule browser wakeup on Android.
// Must be called on the UI thread.
virtual void ScheduleDelayedProcessing(
StoragePartitionImpl* storage_partition,
blink::mojom::BackgroundSyncType sync_type,
base::TimeDelta delay,
base::OnceClosure delayed_task);
// Cancels delayed_processing for |sync_type| for |storage_partition|.
// Must be called on the UI thread.
virtual void CancelDelayedProcessing(
StoragePartitionImpl* storage_partition,
blink::mojom::BackgroundSyncType sync_type);
private:
virtual ~BackgroundSyncScheduler();
friend struct BrowserThread::DeleteOnThread<BrowserThread::UI>;
friend class base::DeleteHelper<BackgroundSyncScheduler>;
friend class BackgroundSyncSchedulerTest;
std::map<StoragePartitionImpl*, std::unique_ptr<base::OneShotTimer>>&
GetDelayedProcessingInfoMap(blink::mojom::BackgroundSyncType sync_type);
void RunDelayedTaskAndPruneInfoMap(blink::mojom::BackgroundSyncType sync_type,
StoragePartitionImpl* storage_partition,
base::OnceClosure delayed_task);
#if BUILDFLAG(IS_ANDROID)
void ScheduleOrCancelBrowserWakeupForSyncType(
blink::mojom::BackgroundSyncType sync_type,
StoragePartitionImpl* storage_partition);
#endif
std::map<StoragePartitionImpl*, std::unique_ptr<base::OneShotTimer>>
delayed_processing_info_one_shot_;
std::map<StoragePartitionImpl*, std::unique_ptr<base::OneShotTimer>>
delayed_processing_info_periodic_;
std::map<blink::mojom::BackgroundSyncType, base::TimeTicks>
scheduled_wakeup_time_{
{blink::mojom::BackgroundSyncType::ONE_SHOT, base::TimeTicks::Max()},
{blink::mojom::BackgroundSyncType::PERIODIC, base::TimeTicks::Max()},
};
base::WeakPtrFactory<BackgroundSyncScheduler> weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_SCHEDULER_H_
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