Repo created

TMessagesProj/jni/voip/webrtc/base/nix/mime_util_xdg.cc

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+// Copyright (c) 2012 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.
+
+#include "base/nix/mime_util_xdg.h"
+
+#include "base/files/file_path.h"
+#include "base/no_destructor.h"
+#include "base/synchronization/lock.h"
+#include "base/third_party/xdg_mime/xdgmime.h"
+#include "base/threading/scoped_blocking_call.h"
+
+namespace base {
+namespace nix {
+
+std::string GetFileMimeType(const FilePath& filepath) {
+  if (filepath.empty())
+    return std::string();
+
+  base::ScopedBlockingCall scoped_blocking_call(FROM_HERE,
+                                                base::BlockingType::MAY_BLOCK);
+
+  // None of the XDG stuff is thread-safe, so serialize all access under this
+  // lock.
+  static NoDestructor<Lock> mime_util_xdg_lock;
+  AutoLock scoped_lock(*mime_util_xdg_lock);
+  return xdg_mime_get_mime_type_from_file_name(filepath.value().c_str());
+}
+
+}  // namespace nix
+}  // namespace base