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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 PPAPI_C_DEV_PPB_FILE_REF_DEV_H_
#define PPAPI_C_DEV_PPB_FILE_REF_DEV_H_
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/dev/pp_file_info_dev.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/pp_var.h"
#define PPB_FILEREF_DEV_INTERFACE "PPB_FileRef(Dev);0.5"
// A FileRef is a "weak pointer" to a file in a file system. It contains a
// PP_FileSystemType identifier and a file path string.
struct PPB_FileRef_Dev {
// Creates a weak pointer to a file in the given filesystem. File paths are
// POSIX style. Returns 0 if the path is malformed.
PP_Resource (*Create)(PP_Resource file_system, const char* path);
// Returns PP_TRUE if the given resource is a FileRef. Returns PP_FALSE if the
// resource is invalid or some type other than a FileRef.
PP_Bool (*IsFileRef)(PP_Resource resource);
// Returns the file system identifier of this file.
PP_FileSystemType_Dev (*GetFileSystemType)(PP_Resource file_ref);
// Returns the name of the file. The value returned by this function does not
// include any path component (such as the name of the parent directory, for
// example). It is just the name of the file. To get the full file path, use
// the GetPath() function.
struct PP_Var (*GetName)(PP_Resource file_ref);
// Returns the absolute path of the file. This method fails if the file
// system type is PP_FileSystemType_External.
struct PP_Var (*GetPath)(PP_Resource file_ref);
// Returns the parent directory of this file. If file_ref points to the root
// of the filesystem, then the root is returned. This method fails if the
// file system type is PP_FileSystemType_External.
PP_Resource (*GetParent)(PP_Resource file_ref);
// Makes a new directory in the filesystem as well as any parent directories
// if the make_ancestors parameter is PP_TRUE. It is not valid to make a
// directory in the external filesystem. Fails if the directory already
// exists or if ancestor directories do not exist and make_ancestors was not
// passed as PP_TRUE.
int32_t (*MakeDirectory)(PP_Resource directory_ref,
PP_Bool make_ancestors,
struct PP_CompletionCallback callback);
// Queries info about the file. You must have read access to this file if it
// exists in the external filesystem.
int32_t (*Query)(PP_Resource file_ref,
struct PP_FileInfo_Dev* info,
struct PP_CompletionCallback callback);
// Updates timestamps for a file. You must have write access to the file if
// it exists in the external filesystem.
int32_t (*Touch)(PP_Resource file_ref,
PP_Time last_access_time,
PP_Time last_modified_time,
struct PP_CompletionCallback callback);
// Delete a file or directory. If file_ref refers to a directory, then the
// directory must be empty. It is an error to delete a file or directory
// that is in use. It is not valid to delete a file in the external
// filesystem.
int32_t (*Delete)(PP_Resource file_ref,
struct PP_CompletionCallback callback);
// Rename a file or directory. file_ref and new_file_ref must both refer to
// files in the same filesystem. It is an error to rename a file or
// directory that is in use. It is not valid to rename a file in the
// external filesystem.
int32_t (*Rename)(PP_Resource file_ref,
PP_Resource new_file_ref,
struct PP_CompletionCallback callback);
};
#endif /* PPAPI_C_DEV_PPB_FILE_REF_DEV_H_ */
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