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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 WEBKIT_FILEAPI_FILE_SYSTEM_QUOTA_UTIL_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_QUOTA_UTIL_H_
#include <set>
#include <string>
#include "base/basictypes.h"
#include "googleurl/src/gurl.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/storage/webkit_storage_export.h"
namespace base {
class SequencedTaskRunner;
}
namespace quota {
class QuotaManagerProxy;
}
namespace fileapi {
class FileSystemContext;
// An abstract interface that provides common quota-related utility functions
// for file_system_quota_client.
// All the methods of this class are synchronous and need to be called on
// the thread that the method name implies.
class WEBKIT_STORAGE_EXPORT FileSystemQuotaUtil {
public:
virtual ~FileSystemQuotaUtil() {}
virtual void GetOriginsForTypeOnFileThread(fileapi::FileSystemType type,
std::set<GURL>* origins) = 0;
virtual void GetOriginsForHostOnFileThread(fileapi::FileSystemType type,
const std::string& host,
std::set<GURL>* origins) = 0;
// Returns the amount of data used for the origin for usage tracking.
virtual int64 GetOriginUsageOnFileThread(
fileapi::FileSystemContext* file_system_context,
const GURL& origin_url,
fileapi::FileSystemType type) = 0;
virtual void InvalidateUsageCache(const GURL& origin_url,
fileapi::FileSystemType type) = 0;
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_QUOTA_UTIL_H_
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