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- // Copyright 2016 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 MEDIA_CDM_CDM_HOST_FILE_H_
- #define MEDIA_CDM_CDM_HOST_FILE_H_
- #include <memory>
- #include "base/files/file.h"
- #include "base/files/file_path.h"
- #include "media/base/media_export.h"
- namespace cdm {
- struct HostFile;
- }
- namespace media {
- struct MEDIA_EXPORT CdmHostFilePath {
- CdmHostFilePath(const base::FilePath& file_path,
- const base::FilePath& sig_file_path);
- ~CdmHostFilePath();
- // Path to a file that takes part in hosting the CDM.
- base::FilePath file_path;
- // Path to a signature file of the file at |file_path|.
- base::FilePath sig_file_path;
- };
- // Represents a file that participated in hosting the CDM.
- class MEDIA_EXPORT CdmHostFile {
- public:
- // Opens the file at |file_path| and the corresponding signature file at
- // |sig_file_path|. Upon success, constructs and returns a CdmHostFile object.
- // Otherwise returns nullptr. The opened files are closed when |this| is
- // destructed unless TakePlatformFile() was called, in which case the caller
- // must make sure the files are closed properly.
- static std::unique_ptr<CdmHostFile> Create(
- const base::FilePath& file_path,
- const base::FilePath& sig_file_path);
- CdmHostFile(const CdmHostFile&) = delete;
- CdmHostFile& operator=(const CdmHostFile&) = delete;
- // Takes the PlatformFile of the |file_| and |sig_file_| and put them in the
- // returned cdm::HostFile. The caller must make sure the PlatformFiles are
- // properly closed after use.
- cdm::HostFile TakePlatformFile();
- private:
- CdmHostFile(const base::FilePath& file_path,
- base::File file,
- base::File sig_file);
- base::FilePath file_path_;
- base::File file_;
- // The signature file associated with |file_|.
- base::File sig_file_;
- };
- } // namespace media
- #endif // MEDIA_CDM_CDM_HOST_FILE_H_
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