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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_PATH_MANAGER_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_PATH_MANAGER_H_
#pragma once
#include "base/callback.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/quota/special_storage_policy.h"
class GURL;
namespace base {
class MessageLoopProxy;
}
namespace fileapi {
class ExternalFileSystemMountPointProvider;
class FileSystemFileUtil;
class FileSystemMountPointProvider;
class SandboxMountPointProvider;
class FileSystemPathManager {
public:
FileSystemPathManager(
scoped_refptr<base::MessageLoopProxy> file_message_loop,
const FilePath& profile_path,
scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy,
bool is_incognito,
bool allow_file_access_from_files);
virtual ~FileSystemPathManager();
// Callback for GetFileSystemRootPath.
// If the request is accepted and the root filesystem for the origin exists
// the callback is called with success=true and valid root_path and name.
// If the request is accepted, |create| is specified for
// GetFileSystemRootPath, and the root directory does not exist, it creates
// a new one and calls back with success=true if the creation has succeeded.
typedef base::Callback<void(bool /* success */,
const FilePath& /* root_path */,
const std::string& /* name */)>
GetRootPathCallback;
// Retrieves the root path for the given |origin_url| and |type|, and
// calls the given |callback| with the root path and name.
// If |create| is true this also creates the directory if it doesn't exist.
virtual void ValidateFileSystemRootAndGetURL(
const GURL& origin_url,
FileSystemType type,
bool create,
const FileSystemPathManager::GetRootPathCallback& callback);
// Like GetFileSystemRootPath, but synchronous, and can be called only while
// running on the file thread.
virtual FilePath ValidateFileSystemRootAndGetPathOnFileThread(
const GURL& origin_url,
FileSystemType type,
const FilePath& virtual_path,
bool create);
// Returns true if the given |url|'s scheme is allowed to access
// filesystem.
bool IsAllowedScheme(const GURL& url) const;
// Returns the string representation of the given filesystem |type|.
// Returns an empty string if the |type| is invalid.
static std::string GetFileSystemTypeString(FileSystemType type);
// Checks if a given |name| contains any restricted names/chars in it.
bool IsRestrictedFileName(FileSystemType type,
const FilePath& filename);
// Checks if an origin has access to a particular filesystem type and
// file element represented by |virtual_path|.
bool IsAccessAllowed(const GURL& origin, FileSystemType type,
const FilePath& virtual_path);
// Returns the appropriate FileUtil instance for the given |type|.
// This may return NULL if it is given an invalid or unsupported filesystem
// type.
FileSystemFileUtil* GetFileUtil(FileSystemType type) const;
// Returns a FileSystemMountPointProvider instance for sandboxed filesystem
// types (e.g. TEMPORARY or PERSISTENT).
SandboxMountPointProvider* sandbox_provider() const {
return sandbox_provider_.get();
}
// Returns a FileSystemMountPointProvider instance for external filesystem
// type, which is used only by chromeos for now.
ExternalFileSystemMountPointProvider* external_provider() const {
return external_provider_.get();
}
bool is_incognito() const {
return is_incognito_;
}
private:
// Returns the mount point provider instance for the given |type|.
// This may return NULL if it is given an invalid or unsupported filesystem
// type.
FileSystemMountPointProvider* GetMountPointProvider(
FileSystemType type) const;
const bool is_incognito_;
const bool allow_file_access_from_files_;
scoped_ptr<SandboxMountPointProvider> sandbox_provider_;
scoped_ptr<ExternalFileSystemMountPointProvider> external_provider_;
DISALLOW_COPY_AND_ASSIGN(FileSystemPathManager);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_PATH_MANAGER_H_
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