| // Copyright 2013 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 BASE_ANDROID_CONTENT_URI_UTILS_H_ | 
 | #define BASE_ANDROID_CONTENT_URI_UTILS_H_ | 
 |  | 
 | #include <jni.h> | 
 | #include <string> | 
 |  | 
 | #include "base/base_export.h" | 
 | #include "base/files/file.h" | 
 | #include "base/files/file_path.h" | 
 |  | 
 | namespace base { | 
 |  | 
 | // Opens a content URI for read and returns the file descriptor to the caller. | 
 | // Returns -1 if the URI is invalid. | 
 | BASE_EXPORT File OpenContentUriForRead(const FilePath& content_uri); | 
 |  | 
 | // Check whether a content URI exists. | 
 | BASE_EXPORT bool ContentUriExists(const FilePath& content_uri); | 
 |  | 
 | // Gets MIME type from a content URI. Returns an empty string if the URI is | 
 | // invalid. | 
 | BASE_EXPORT std::string GetContentUriMimeType(const FilePath& content_uri); | 
 |  | 
 | // Gets the display name from a content URI. Returns true if the name was found. | 
 | BASE_EXPORT bool MaybeGetFileDisplayName(const FilePath& content_uri, | 
 |                                          std::u16string* file_display_name); | 
 |  | 
 | // Deletes a content URI. | 
 | BASE_EXPORT bool DeleteContentUri(const FilePath& content_uri); | 
 |  | 
 | // Gets content URI's file path (eg: "content://org.chromium...") from normal | 
 | // file path (eg: "/data/user/0/..."). | 
 | BASE_EXPORT FilePath GetContentUriFromFilePath(const FilePath& file_path); | 
 |  | 
 | }  // namespace base | 
 |  | 
 | #endif  // BASE_ANDROID_CONTENT_URI_UTILS_H_ |