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- // Copyright (c) 2012 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 STORAGE_BROWSER_FILE_SYSTEM_SANDBOX_QUOTA_OBSERVER_H_
- #define STORAGE_BROWSER_FILE_SYSTEM_SANDBOX_QUOTA_OBSERVER_H_
- #include <stdint.h>
- #include <map>
- #include "base/compiler_specific.h"
- #include "base/files/file_error_or.h"
- #include "base/files/file_path.h"
- #include "base/memory/raw_ptr.h"
- #include "base/memory/ref_counted.h"
- #include "base/memory/scoped_refptr.h"
- #include "base/memory/weak_ptr.h"
- #include "base/timer/timer.h"
- #include "storage/browser/file_system/file_observers.h"
- #include "storage/browser/file_system/file_system_url.h"
- namespace base {
- class SequencedTaskRunner;
- }
- namespace url {
- class Origin;
- }
- namespace storage {
- class FileSystemUsageCache;
- class FileSystemURL;
- class ObfuscatedFileUtil;
- class QuotaManagerProxy;
- class SandboxQuotaObserver : public FileUpdateObserver,
- public FileAccessObserver {
- public:
- SandboxQuotaObserver(
- scoped_refptr<QuotaManagerProxy> quota_manager_proxy,
- scoped_refptr<base::SequencedTaskRunner> update_notify_runner,
- ObfuscatedFileUtil* sandbox_file_util,
- FileSystemUsageCache* file_system_usage_cache_);
- SandboxQuotaObserver(const SandboxQuotaObserver&) = delete;
- SandboxQuotaObserver& operator=(const SandboxQuotaObserver&) = delete;
- ~SandboxQuotaObserver() override;
- // FileUpdateObserver overrides.
- void OnStartUpdate(const FileSystemURL& url) override;
- void OnUpdate(const FileSystemURL& url, int64_t delta) override;
- void OnEndUpdate(const FileSystemURL& url) override;
- // FileAccessObserver overrides.
- void OnAccess(const FileSystemURL& url) override;
- void SetUsageCacheEnabled(const url::Origin& origin,
- FileSystemType type,
- bool enabled);
- private:
- void ApplyPendingUsageUpdate();
- void UpdateUsageCacheFile(const base::FilePath& usage_file_path,
- int64_t delta);
- base::FileErrorOr<base::FilePath> GetUsageCachePath(const FileSystemURL& url);
- const scoped_refptr<QuotaManagerProxy> quota_manager_proxy_;
- const scoped_refptr<base::SequencedTaskRunner> update_notify_runner_;
- // Not owned; sandbox_file_util_ should have identical lifetime with this.
- const raw_ptr<ObfuscatedFileUtil> sandbox_file_util_;
- // Not owned; file_system_usage_cache_ should have longer lifetime than this.
- const raw_ptr<FileSystemUsageCache> file_system_usage_cache_;
- std::map<base::FilePath, int64_t> pending_update_notification_;
- base::OneShotTimer delayed_cache_update_helper_;
- };
- } // namespace storage
- #endif // STORAGE_BROWSER_FILE_SYSTEM_SANDBOX_QUOTA_OBSERVER_H_
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