diff options
Diffstat (limited to 'chromium/base/files/file_util_proxy.h')
| -rw-r--r-- | chromium/base/files/file_util_proxy.h | 143 |
1 files changed, 4 insertions, 139 deletions
diff --git a/chromium/base/files/file_util_proxy.h b/chromium/base/files/file_util_proxy.h index bded1612005..80688cfbb48 100644 --- a/chromium/base/files/file_util_proxy.h +++ b/chromium/base/files/file_util_proxy.h @@ -7,13 +7,8 @@ #include "base/base_export.h" #include "base/callback_forward.h" +#include "base/files/file.h" #include "base/files/file_path.h" -#include "base/memory/ref_counted.h" -#include "base/platform_file.h" - -namespace tracked_objects { -class Location; -}; namespace base { @@ -26,57 +21,10 @@ class BASE_EXPORT FileUtilProxy { // This callback is used by methods that report only an error code. It is // valid to pass a null callback to any function that takes a StatusCallback, // in which case the operation will complete silently. - typedef Callback<void(PlatformFileError)> StatusCallback; - - typedef Callback<void(PlatformFileError, - PassPlatformFile, - bool /* created */)> CreateOrOpenCallback; - typedef Callback<void(PlatformFileError, - PassPlatformFile, - const FilePath&)> CreateTemporaryCallback; - typedef Callback<void(PlatformFileError, - const PlatformFileInfo&)> GetFileInfoCallback; - typedef Callback<void(PlatformFileError, - const char* /* data */, - int /* bytes read */)> ReadCallback; - typedef Callback<void(PlatformFileError, - int /* bytes written */)> WriteCallback; + typedef Callback<void(File::Error)> StatusCallback; - typedef Callback<PlatformFileError(PlatformFile*, bool*)> CreateOrOpenTask; - typedef Callback<PlatformFileError(PlatformFile)> CloseTask; - typedef Callback<PlatformFileError(void)> FileTask; - - // Creates or opens a file with the given flags. It is invalid to pass a null - // callback. If PLATFORM_FILE_CREATE is set in |file_flags| it always tries to - // create a new file at the given |file_path| and calls back with - // PLATFORM_FILE_ERROR_FILE_EXISTS if the |file_path| already exists. - // - // This returns false if task posting to |task_runner| has failed. - static bool CreateOrOpen(TaskRunner* task_runner, - const FilePath& file_path, - int file_flags, - const CreateOrOpenCallback& callback); - - // Creates a temporary file for writing. The path and an open file handle are - // returned. It is invalid to pass a null callback. The additional file flags - // will be added on top of the default file flags which are: - // base::PLATFORM_FILE_CREATE_ALWAYS - // base::PLATFORM_FILE_WRITE - // base::PLATFORM_FILE_TEMPORARY. - // Set |additional_file_flags| to 0 for synchronous writes and set to - // base::PLATFORM_FILE_ASYNC to support asynchronous file operations. - // - // This returns false if task posting to |task_runner| has failed. - static bool CreateTemporary( - TaskRunner* task_runner, - int additional_file_flags, - const CreateTemporaryCallback& callback); - - // Close the given file handle. - // This returns false if task posting to |task_runner| has failed. - static bool Close(TaskRunner* task_runner, - PlatformFile, - const StatusCallback& callback); + typedef Callback<void(File::Error, + const File::Info&)> GetFileInfoCallback; // Retrieves the information about a file. It is invalid to pass a null // callback. @@ -86,13 +34,6 @@ class BASE_EXPORT FileUtilProxy { const FilePath& file_path, const GetFileInfoCallback& callback); - // Does the same as GetFileInfo but takes PlatformFile instead of FilePath. - // This returns false if task posting to |task_runner| has failed. - static bool GetFileInfoFromPlatformFile( - TaskRunner* task_runner, - PlatformFile file, - const GetFileInfoCallback& callback); - // Deletes a file or a directory. // It is an error to delete a non-empty directory with recursive=false. // This returns false if task posting to |task_runner| has failed. @@ -101,42 +42,6 @@ class BASE_EXPORT FileUtilProxy { bool recursive, const StatusCallback& callback); - // Reads from a file. On success, the file pointer is moved to position - // |offset + bytes_to_read| in the file. The callback can be null. - // - // This returns false if |bytes_to_read| is less than zero, or - // if task posting to |task_runner| has failed. - static bool Read( - TaskRunner* task_runner, - PlatformFile file, - int64 offset, - int bytes_to_read, - const ReadCallback& callback); - - // Writes to a file. If |offset| is greater than the length of the file, - // |false| is returned. On success, the file pointer is moved to position - // |offset + bytes_to_write| in the file. The callback can be null. - // |bytes_to_write| must be greater than zero. - // - // This returns false if |bytes_to_write| is less than or equal to zero, - // if |buffer| is NULL, or if task posting to |task_runner| has failed. - static bool Write( - TaskRunner* task_runner, - PlatformFile file, - int64 offset, - const char* buffer, - int bytes_to_write, - const WriteCallback& callback); - - // Touches a file. The callback can be null. - // This returns false if task posting to |task_runner| has failed. - static bool Touch( - TaskRunner* task_runner, - PlatformFile file, - const Time& last_access_time, - const Time& last_modified_time, - const StatusCallback& callback); - // Touches a file. The callback can be null. // This returns false if task posting to |task_runner| has failed. static bool Touch( @@ -146,46 +51,6 @@ class BASE_EXPORT FileUtilProxy { const Time& last_modified_time, const StatusCallback& callback); - // Truncates a file to the given length. If |length| is greater than the - // current length of the file, the file will be extended with zeroes. - // The callback can be null. - // This returns false if task posting to |task_runner| has failed. - static bool Truncate( - TaskRunner* task_runner, - PlatformFile file, - int64 length, - const StatusCallback& callback); - - // Truncates a file to the given length. If |length| is greater than the - // current length of the file, the file will be extended with zeroes. - // The callback can be null. - // This returns false if task posting to |task_runner| has failed. - static bool Truncate( - TaskRunner* task_runner, - const FilePath& path, - int64 length, - const StatusCallback& callback); - - // Flushes a file. The callback can be null. - // This returns false if task posting to |task_runner| has failed. - static bool Flush( - TaskRunner* task_runner, - PlatformFile file, - const StatusCallback& callback); - - // Relay helpers. - // They return false if posting a given task to |task_runner| has failed. - static bool RelayCreateOrOpen( - TaskRunner* task_runner, - const CreateOrOpenTask& open_task, - const CloseTask& close_task, - const CreateOrOpenCallback& callback); - static bool RelayClose( - TaskRunner* task_runner, - const CloseTask& close_task, - PlatformFile, - const StatusCallback& callback); - private: DISALLOW_IMPLICIT_CONSTRUCTORS(FileUtilProxy); }; |