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// Copyright (c) 2011 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_CONTEXT_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/quota/special_storage_policy.h"
class FilePath;
class GURL;
namespace base {
class MessageLoopProxy;
}
namespace quota {
class QuotaClient;
class QuotaManagerProxy;
}
namespace fileapi {
class FileSystemContext;
class FileSystemPathManager;
class FileSystemQuotaUtil;
class FileSystemUsageTracker;
class SandboxMountPointProvider;
struct DefaultContextDeleter;
// This class keeps and provides a file system context for FileSystem API.
class FileSystemContext
: public base::RefCountedThreadSafe<FileSystemContext,
DefaultContextDeleter> {
public:
FileSystemContext(
scoped_refptr<base::MessageLoopProxy> file_message_loop,
scoped_refptr<base::MessageLoopProxy> io_message_loop,
scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy,
quota::QuotaManagerProxy* quota_manager_proxy,
const FilePath& profile_path,
bool is_incognito,
bool allow_file_access_from_files,
bool unlimited_quota,
FileSystemPathManager* path_manager);
~FileSystemContext();
// This method can be called on any thread.
bool IsStorageUnlimited(const GURL& origin);
bool DeleteDataForOriginOnFileThread(const GURL& origin_url);
bool DeleteDataForOriginAndTypeOnFileThread(const GURL& origin_url,
FileSystemType type);
FileSystemPathManager* path_manager() const { return path_manager_.get(); }
quota::QuotaManagerProxy* quota_manager_proxy() const {
return quota_manager_proxy_.get();
}
// Returns a quota util for a given filesystem type. This may
// return NULL if the type does not support the usage tracking or
// it is not a quota-managed storage.
FileSystemQuotaUtil* GetQuotaUtil(FileSystemType type) const;
private:
friend struct DefaultContextDeleter;
void DeleteOnCorrectThread() const;
SandboxMountPointProvider* sandbox_provider() const;
scoped_refptr<base::MessageLoopProxy> file_message_loop_;
scoped_refptr<base::MessageLoopProxy> io_message_loop_;
scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_;
scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
const bool allow_file_access_from_files_;
const bool unlimited_quota_;
scoped_ptr<FileSystemPathManager> path_manager_;
DISALLOW_IMPLICIT_CONSTRUCTORS(FileSystemContext);
};
struct DefaultContextDeleter {
static void Destruct(const FileSystemContext* context) {
context->DeleteOnCorrectThread();
}
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_
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