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// Copyright 2012 The Chromium Authors
// 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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