base/android/content_uri_utils.h

   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/basictypes.h"
  12 #include "base/files/file.h"
  13 #include "base/files/file_path.h"
  14
  15 namespace base {
  16
  17 bool RegisterContentUriUtils(JNIEnv* env);
  18
  19 // Opens a content URI for read and returns the file descriptor to the caller.
  20 // Returns -1 if the URI is invalid.
  21 BASE_EXPORT File OpenContentUriForRead(const FilePath& content_uri);
  22
  23 // Check whether a content URI exists.
  24 BASE_EXPORT bool ContentUriExists(const FilePath& content_uri);
  25
  26 // Gets MIME type from a content URI. Returns an empty string if the URI is
  27 // invalid.
  28 BASE_EXPORT std::string GetContentUriMimeType(const FilePath& content_uri);
  29
  30 }  // namespace base
  31
  32 #endif  // BASE_ANDROID_CONTENT_URI_UTILS_H_