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// Copyright (c) 2010 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_
#include <map>
#include "base/callback.h"
#include "base/file_path.h"
#include "base/scoped_ptr.h"
#include "webkit/fileapi/file_system_types.h"
class GURL;
namespace base {
class MessageLoopProxy;
}
namespace fileapi {
class FileSystemPathManager {
public:
FileSystemPathManager(scoped_refptr<base::MessageLoopProxy> file_message_loop,
const FilePath& profile_path,
bool is_incognito,
bool allow_file_access_from_files);
~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 Callback3<bool /* success */,
const FilePath& /* root_path */,
const std::string& /* name */>::Type 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.
void GetFileSystemRootPath(const GURL& origin_url,
fileapi::FileSystemType type,
bool create,
GetRootPathCallback* callback);
// Cracks the given |path|, retrieves the information embedded in the path
// and populates |origin_url| and |type|. Also it populates |virtual_path|
// that is a sandboxed path in the file system, i.e. the relative path to
// the file system's root path for the given origin and type.
// It returns false if the path does not conform to the expected
// filesystem path format.
bool CrackFileSystemPath(const FilePath& path,
GURL* origin_url,
FileSystemType* type,
FilePath* virtual_path) const;
// Checks if a given |name| contains any restricted names/chars in it.
bool IsRestrictedFileName(const FilePath& filename) const;
// Returns true if the given |url|'s scheme is allowed to access
// filesystem.
bool IsAllowedScheme(const GURL& url) const;
// The FileSystem directory name.
static const FilePath::CharType kFileSystemDirectory[];
static const char kPersistentName[];
static const char kTemporaryName[];
const FilePath& base_path() const {
return base_path_;
}
private:
class GetFileSystemRootPathTask;
// Returns the storage identifier string for the given |url|.
static std::string GetStorageIdentifierFromURL(const GURL& url);
scoped_refptr<base::MessageLoopProxy> file_message_loop_;
const FilePath base_path_;
const bool is_incognito_;
const bool allow_file_access_from_files_;
DISALLOW_COPY_AND_ASSIGN(FileSystemPathManager);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_PATH_MANAGER_H_
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