chrome/browser/chromeos/file_manager/mime_util.cc

   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 #include "chrome/browser/chromeos/file_manager/mime_util.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "net/base/mime_util.h"
   9
  10 namespace file_manager {
  11 namespace util {
  12
  13 std::string GetMimeTypeForPath(const base::FilePath& file_path) {
  14   const base::FilePath::StringType file_extension = file_path.Extension();
  15
  16   // TODO(thorogood): Rearchitect this call so it can run on the File thread;
  17   // GetMimeTypeFromFile requires this on Linux. Right now, we use
  18   // Chrome-level knowledge only.
  19   std::string mime_type;
  20   if (file_extension.empty() ||
  21       !net::GetWellKnownMimeTypeFromExtension(file_extension.substr(1),
  22                                               &mime_type)) {
  23     // If the file doesn't have an extension or its mime-type cannot be
  24     // determined, then indicate that it has the empty mime-type. This will
  25     // only be matched if the Web Intents accepts "*" or "*/*".
  26     return "";
  27   } else {
  28     return mime_type;
  29   }
  30 }
  31
  32 }  // namespace util
  33 }  // namespace file_manager