| // Copyright 2019 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. |
| |
| #ifndef CHROME_COMMON_MEDIA_COMPONENT_WIDEVINE_CDM_HINT_FILE_LINUX_H_ |
| #define CHROME_COMMON_MEDIA_COMPONENT_WIDEVINE_CDM_HINT_FILE_LINUX_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "build/build_config.h" |
| #include "third_party/widevine/cdm/buildflags.h" |
| |
| #if !BUILDFLAG(ENABLE_WIDEVINE) |
| #error "This file only applies when Widevine used." |
| #endif |
| |
| #if !defined(OS_LINUX) || defined(OS_CHROMEOS) |
| #error "This file only applies to desktop Linux." |
| #endif |
| |
| namespace base { |
| class FilePath; |
| } // namespace base |
| |
| // The APIs here wrap the component updated Widevine hint file, which lives |
| // inside the WidevineCdm folder of the user-data-dir, so that the Linux zygote |
| // process can preload the latest version of Widevine. |
| // |
| // The hint file will be a dictionary with one key: |
| // { |
| // "Path": $path_to_WidevineCdm_directory |
| // } |
| // |
| // $path_to_WidevineCdm_directory will point to a directory structure |
| // containing: |
| // LICENSE |
| // manifest.json |
| // _platform_specific/ |
| // linux_x64/ |
| // libwidevinecdm.so |
| // The actual executable (and directory containing it) will be platform |
| // specific. There may be additional files as well as the ones listed above. |
| |
| // Records a new Widevine path into the hint file, replacing the current |
| // contents if any. |cdm_base_path| is the directory containing the new |
| // instance. Returns true if the hint file has been successfully updated, |
| // otherwise false. |
| bool UpdateWidevineCdmHintFile(const base::FilePath& cdm_base_path) |
| WARN_UNUSED_RESULT; |
| |
| // Returns the latest component updated Widevine CDM directory. If the hint file |
| // exists and is valid, returns the CDM base_path with the value loaded from the |
| // file. Otherwise returns empty base::FilePath(). This function does not verify |
| // that the path returned exists or not. |
| base::FilePath GetLatestComponentUpdatedWidevineCdmDirectory() |
| WARN_UNUSED_RESULT; |
| |
| #endif // CHROME_COMMON_MEDIA_COMPONENT_WIDEVINE_CDM_HINT_FILE_LINUX_H_ |
