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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 "net/base/platform_mime_util.h"
- #include <string>
- #include "build/build_config.h"
- #include "build/chromeos_buildflags.h"
- #if BUILDFLAG(IS_ANDROID)
- #include "net/android/network_library.h"
- #else
- #include "base/nix/mime_util_xdg.h"
- #endif
- namespace net {
- #if BUILDFLAG(IS_ANDROID)
- bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension(
- const base::FilePath::StringType& ext,
- std::string* result) const {
- return android::GetMimeTypeFromExtension(ext, result);
- }
- #elif BUILDFLAG(IS_CHROMEOS_ASH)
- bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension(
- const base::FilePath::StringType& ext,
- std::string* result) const {
- return false;
- }
- #else
- bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension(
- const base::FilePath::StringType& ext,
- std::string* result) const {
- base::FilePath dummy_path("foo." + ext);
- std::string out = base::nix::GetFileMimeType(dummy_path);
- // GetFileMimeType likes to return application/octet-stream
- // for everything it doesn't know - ignore that.
- if (out == "application/octet-stream" || out.empty())
- return false;
- // GetFileMimeType returns image/x-ico because that's what's in the XDG
- // mime database. That database is the merger of the Gnome and KDE mime
- // databases. Apparently someone working on KDE in 2001 decided .ico
- // resolves to image/x-ico, whereas the rest of the world uses image/x-icon.
- // FWIW, image/vnd.microsoft.icon is the official IANA assignment.
- if (out == "image/x-ico")
- out = "image/x-icon";
- *result = out;
- return true;
- }
- #endif // BUILDFLAG(IS_ANDROID)
- bool PlatformMimeUtil::GetPlatformPreferredExtensionForMimeType(
- const std::string& mime_type,
- base::FilePath::StringType* ext) const {
- // xdg_mime doesn't provide an API to get extension from a MIME type, so we
- // rely on the mappings hardcoded in mime_util.cc .
- return false;
- }
- void PlatformMimeUtil::GetPlatformExtensionsForMimeType(
- const std::string& mime_type,
- std::unordered_set<base::FilePath::StringType>* extensions) const {
- // xdg_mime doesn't provide an API to get extension from a MIME type, so we
- // rely on the mappings hardcoded in mime_util.cc .
- }
- } // namespace net
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