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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_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_H_
#define WEBKIT_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_H_
#include <map>
#include <string>
#include <vector>
#include "base/file_path.h"
#include "base/synchronization/lock.h"
#include "webkit/fileapi/file_system_mount_point_provider.h"
#include "webkit/quota/special_storage_policy.h"
namespace chromeos {
class FileAccessPermissions;
// An interface to provide local filesystem paths.
class CrosMountPointProvider
: public fileapi::ExternalFileSystemMountPointProvider {
public:
CrosMountPointProvider(
scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy);
virtual ~CrosMountPointProvider();
// fileapi::FileSystemMountPointProvider overrides.
virtual bool IsAccessAllowed(const GURL& origin_url,
fileapi::FileSystemType type,
const FilePath& virtual_path) OVERRIDE;
virtual void ValidateFileSystemRootAndGetURL(
const GURL& origin_url,
fileapi::FileSystemType type,
bool create,
fileapi::FileSystemPathManager::GetRootPathCallback* callback) OVERRIDE;
virtual FilePath ValidateFileSystemRootAndGetPathOnFileThread(
const GURL& origin_url,
fileapi::FileSystemType type,
const FilePath& virtual_path,
bool create);
virtual bool IsRestrictedFileName(const FilePath& filename) const OVERRIDE;
virtual std::vector<FilePath> GetRootDirectories() const OVERRIDE;
// fileapi::ExternalFileSystemMountPointProvider overrides.
virtual void GrantFullAccessToExtension(
const std::string& extension_id) OVERRIDE;
virtual void GrantFileAccessToExtension(
const std::string& extension_id, const FilePath& virtual_path) OVERRIDE;
virtual void RevokeAccessForExtension(
const std::string& extension_id) OVERRIDE;
virtual void AddMountPoint(FilePath mount_point) OVERRIDE;
virtual void RemoveMountPoint(FilePath mount_point) OVERRIDE;
private:
class GetFileSystemRootPathTask;
typedef std::map<std::string, FilePath> MountPointMap;
// Gives the real file system's |root_path| for given |virtual_path|. Returns
// false when |virtual_path| cannot be mapped to the real file system.
bool GetRootForVirtualPath(const FilePath& virtual_path, FilePath* root_path);
base::Lock lock_; // Synchronize all access to path_map_.
MountPointMap mount_point_map_;
scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_;
scoped_ptr<FileAccessPermissions> file_access_permissions_;
DISALLOW_COPY_AND_ASSIGN(CrosMountPointProvider);
};
} // namespace chromeos
#endif // WEBKIT_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_H_
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