1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_ANDROID_CONTENT_URI_UTILS_H_ 6 #define BASE_ANDROID_CONTENT_URI_UTILS_H_ 7 8 #include <jni.h> 9 10 #include "base/base_export.h" 11 #include "base/files/file.h" 12 #include "base/files/file_path.h" 13 14 namespace base { 15 16 bool RegisterContentUriUtils(JNIEnv* env); 17 18 // Opens a content URI for read and returns the file descriptor to the caller. 19 // Returns -1 if the URI is invalid. 20 BASE_EXPORT File OpenContentUriForRead(const FilePath& content_uri); 21 22 // Check whether a content URI exists. 23 BASE_EXPORT bool ContentUriExists(const FilePath& content_uri); 24 25 // Gets MIME type from a content URI. Returns an empty string if the URI is 26 // invalid. 27 BASE_EXPORT std::string GetContentUriMimeType(const FilePath& content_uri); 28 29 } // namespace base 30 31 #endif // BASE_ANDROID_CONTENT_URI_UTILS_H_ 32