Move browser-agnostic code from file_system_util to file_system_core_util.

chrome/browser/chromeos/drive/file_system_core_util.h

 // 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 CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_UTIL_H_
-#define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_UTIL_H_
+#ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CORE_UTIL_H_
+#define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CORE_UTIL_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
 #include "url/gurl.h"
 
-class Profile;
-
 namespace storage {
 class FileSystemURL;
 }
 
 namespace drive {
 
 class DriveAppRegistry;
 class DriveServiceInterface;
 class FileSystemInterface;
 
-
 namespace util {
 
 // "drive" diretory's local ID is fixed to this value.
 const char kDriveGrandRootLocalId[] = "<drive>";
 
 // "drive/other" diretory's local ID is fixed to this value.
 const char kDriveOtherDirLocalId[] = "<other>";
 
 // "drive/trash" diretory's local ID is fixed to this value.
 const char kDriveTrashDirLocalId[] = "<trash>";
 
 // The directory names used for the Google Drive file system tree. These names
 // are used in URLs for the file manager, hence user-visible.
 const char kDriveGrandRootDirName[] = "drive";
 const char kDriveMyDriveRootDirName[] = "root";
 const char kDriveOtherDirName[] = "other";
 const char kDriveTrashDirName[] = "trash";
 
 // Returns the path of the top root of the pseudo tree.
 const base::FilePath& GetDriveGrandRootPath();
 
 // Returns the path of the directory representing "My Drive".
 const base::FilePath& GetDriveMyDriveRootPath();
 
-// Returns the Drive mount point path, which looks like "/special/drive-<hash>".
-base::FilePath GetDriveMountPointPath(Profile* profile);
-
 // Returns the Drive mount point path, which looks like
 // "/special/drive-<username_hash>", when provided with the |user_id_hash|.
 base::FilePath GetDriveMountPointPathForUserIdHash(std::string user_id_hash);
 
-// Returns the FileSystem for the |profile|. If not available (not mounted
-// or disabled), returns NULL.
-FileSystemInterface* GetFileSystemByProfile(Profile* profile);
-
-// Returns a FileSystemInterface instance for the |profile_id|, or NULL
-// if the Profile for |profile_id| is destructed or Drive File System is
-// disabled for the profile.
-// Note: |profile_id| should be the pointer of the Profile instance if it is
-// alive. Considering timing issues due to task posting across threads,
-// this function can accept a dangling pointer as |profile_id| (and will return
-// NULL for such a case).
-// This function must be called on UI thread.
-FileSystemInterface* GetFileSystemByProfileId(void* profile_id);
-
-// Returns the DriveAppRegistry for the |profile|. If not available (not
-// mounted or disabled), returns NULL.
-DriveAppRegistry* GetDriveAppRegistryByProfile(Profile* profile);
-
-// Returns the DriveService for the |profile|. If not available (not mounted
-// or disabled), returns NULL.
-DriveServiceInterface* GetDriveServiceByProfile(Profile* profile);
-
 // Returns true if the given path is under the Drive mount point.
 bool IsUnderDriveMountPoint(const base::FilePath& path);
 
 // Extracts the Drive path from the given path located under the Drive mount
 // point. Returns an empty path if |path| is not under the Drive mount point.
 // Examples: ExtractDrivePath("/special/drive-xxx/foo.txt") => "drive/foo.txt"
 base::FilePath ExtractDrivePath(const base::FilePath& path);
 
-// Extracts |profile| from the given paths located under
-// GetDriveMountPointPath(profile). Returns NULL if it does not correspond to
-// a valid mount point path. Must be called from UI thread.
-Profile* ExtractProfileFromPath(const base::FilePath& path);
-
 // Extracts the Drive path (e.g., "drive/foo.txt") from the filesystem URL.
 // Returns an empty path if |url| does not point under Drive mount point.
 base::FilePath ExtractDrivePathFromFileSystemUrl(
     const storage::FileSystemURL& url);
 
 // Escapes a file name in Drive cache.
 // Replaces percent ('%'), period ('.') and slash ('/') with %XX (hex)
 std::string EscapeCacheFileName(const std::string& filename);
 
 // Unescapes a file path in Drive cache.
 // This is the inverse of EscapeCacheFileName.
 std::string UnescapeCacheFileName(const std::string& filename);
 
 // Converts the given string to a form suitable as a file name. Specifically,
 // - Normalizes in Unicode Normalization Form C.
 // - Replaces slashes '/' with '_'.
 // - Replaces the whole input with "_" if the all input characters are '.'.
 // |input| must be a valid UTF-8 encoded string.
 std::string NormalizeFileName(const std::string& input);
 
-// Gets the cache root path (i.e. <user_profile_dir>/GCache/v1) from the
-// profile.
-base::FilePath GetCacheRootPath(Profile* profile);
-
-// Callback type for PrepareWritableFileAndRun.
-typedef base::Callback<void (FileError, const base::FilePath& path)>
-    PrepareWritableFileCallback;
-
-// Invokes |callback| on blocking thread pool, after converting virtual |path|
-// string like "/special/drive/foo.txt" to the concrete local cache file path.
-// After |callback| returns, the written content is synchronized to the server.
-//
-// The |path| must be a path under Drive. Must be called from UI thread.
-void PrepareWritableFileAndRun(Profile* profile,
-                               const base::FilePath& path,
-                               const PrepareWritableFileCallback& callback);
-
-// Ensures the existence of |directory| of '/special/drive/foo'.  This will
-// create |directory| and its ancestors if they don't exist.  |callback| is
-// invoked after making sure that |directory| exists.  |callback| should
-// interpret error codes of either FILE_ERROR_OK or FILE_ERROR_EXISTS as
-// indicating that |directory| now exists.
-//
-// If |directory| is not a Drive path, it won't check the existence and just
-// runs |callback|.
-//
-// Must be called from UI thread.
-void EnsureDirectoryExists(Profile* profile,
-                           const base::FilePath& directory,
-                           const FileOperationCallback& callback);
-
 // Does nothing with |error|. Used with functions taking FileOperationCallback.
 void EmptyFileOperationCallback(FileError error);
 
 // Helper to destroy objects which needs Destroy() to be called on destruction.
 struct DestroyHelper {
-  template<typename T>
+  template <typename T>
   void operator()(T* object) const {
     if (object)
       object->Destroy();
   }
 };
 
 // Creates a GDoc file with given values.
 //
 // GDoc files are used to represent hosted documents on local filesystems.
 // A GDoc file contains a JSON whose content is a URL to view the document and
 // a resource ID of the entry.
 bool CreateGDocFile(const base::FilePath& file_path,
                     const GURL& url,
                     const std::string& resource_id);
 
 // Reads URL from a GDoc file.
 GURL ReadUrlFromGDocFile(const base::FilePath& file_path);
 
 // Reads resource ID from a GDoc file.
 std::string ReadResourceIdFromGDocFile(const base::FilePath& file_path);
 
-// Returns true if Drive is enabled for the given Profile.
-bool IsDriveEnabledForProfile(Profile* profile);
-
-// Enum type for describing the current connection status to Drive.
-enum ConnectionStatusType {
-  // Disconnected because Drive service is unavailable for this account (either
-  // disabled by a flag or the account has no Google account (e.g., guests)).
-  DRIVE_DISCONNECTED_NOSERVICE,
-  // Disconnected because no network is available.
-  DRIVE_DISCONNECTED_NONETWORK,
-  // Disconnected because authentication is not ready.
-  DRIVE_DISCONNECTED_NOTREADY,
-  // Connected by cellular network. Background sync is disabled.
-  DRIVE_CONNECTED_METERED,
-  // Connected without condition (WiFi, Ethernet, or cellular with the
-  // disable-sync preference turned off.)
-  DRIVE_CONNECTED,
-};
-
-// Returns the Drive connection status for the |profile|.
-ConnectionStatusType GetDriveConnectionStatus(Profile* profile);
-
 }  // namespace util
 }  // namespace drive
 
-#endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_UTIL_H_
+#endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_CORE_UTIL_H_