1 // Copyright (c) 2012 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 "base/nix/mime_util_xdg.h" 6 7 #include "base/files/file_path.h" 8 #include "base/lazy_instance.h" 9 #include "base/synchronization/lock.h" 10 #include "base/third_party/xdg_mime/xdgmime.h" 11 #include "base/threading/thread_restrictions.h" 12 13 namespace base { 14 namespace nix { 15 16 namespace { 17 18 // None of the XDG stuff is thread-safe, so serialize all access under 19 // this lock. 20 LazyInstance<Lock>::Leaky g_mime_util_xdg_lock = LAZY_INSTANCE_INITIALIZER; 21 22 } // namespace 23 GetFileMimeType(const FilePath & filepath)24std::string GetFileMimeType(const FilePath& filepath) { 25 if (filepath.empty()) 26 return std::string(); 27 AssertBlockingAllowed(); 28 AutoLock scoped_lock(g_mime_util_xdg_lock.Get()); 29 return xdg_mime_get_mime_type_from_file_name(filepath.value().c_str()); 30 } 31 32 } // namespace nix 33 } // namespace base 34