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// Copyright 2016 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_BROWSER_UI_SITE_SETTINGS_ANDROID_STORAGE_INFO_FETCHER_H_
#define COMPONENTS_BROWSER_UI_SITE_SETTINGS_ANDROID_STORAGE_INFO_FETCHER_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "storage/browser/quota/quota_callbacks.h"
namespace content {
class BrowserContext;
}
namespace storage {
class QuotaManager;
}
namespace browser_ui {
// Asynchronously fetches the amount of storage used by websites.
class StorageInfoFetcher
: public base::RefCountedThreadSafe<StorageInfoFetcher> {
public:
using FetchCallback =
base::OnceCallback<void(const storage::UsageInfoEntries&)>;
using ClearCallback =
base::OnceCallback<void(blink::mojom::QuotaStatusCode code)>;
explicit StorageInfoFetcher(content::BrowserContext* context);
StorageInfoFetcher(const StorageInfoFetcher&) = delete;
StorageInfoFetcher& operator=(const StorageInfoFetcher&) = delete;
// Asynchronously fetches the StorageInfo.
void FetchStorageInfo(FetchCallback fetch_callback);
// Asynchronously clears storage for the given host.
void ClearStorage(const std::string& host,
ClearCallback clear_callback);
private:
virtual ~StorageInfoFetcher();
friend class base::RefCountedThreadSafe<StorageInfoFetcher>;
// Fetches the usage information.
void GetUsageInfo(storage::GetUsageInfoCallback callback);
// Called when usage information is available.
void OnGetUsageInfoInternal(storage::UsageInfoEntries entries);
// Reports back to all observers that information is available.
void OnFetchCompleted();
// Called when usage has been cleared.
void OnUsageClearedInternal(blink::mojom::QuotaStatusCode code);
// Reports back to all observers that storage has been deleted.
void OnClearCompleted(blink::mojom::QuotaStatusCode code);
// The quota manager to use to calculate the storage usage.
raw_ptr<storage::QuotaManager> quota_manager_;
// Hosts and their usage.
storage::UsageInfoEntries entries_;
// The callback to use when fetching is complete.
FetchCallback fetch_callback_;
// The callback to use when storage has been cleared.
ClearCallback clear_callback_;
};
} // namespace browser_ui
#endif // COMPONENTS_BROWSER_UI_SITE_SETTINGS_ANDROID_STORAGE_INFO_FETCHER_H_
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