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

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2020-08-14 16:58:22 +00:00
// 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