Index: content/common/media/cdm_host_file.h |
diff --git a/content/common/media/cdm_host_file.h b/content/common/media/cdm_host_file.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ade3a27bf00e2da8321b04bfa7f8109b12856ab9 |
--- /dev/null |
+++ b/content/common/media/cdm_host_file.h |
@@ -0,0 +1,53 @@ |
+// 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 CONTENT_COMMON_MEDIA_CDM_HOST_FILE_H_ |
+#define CONTENT_COMMON_MEDIA_CDM_HOST_FILE_H_ |
+ |
+#include <memory> |
+ |
+#include "base/files/file.h" |
+#include "base/files/file_path.h" |
+#include "base/macros.h" |
+ |
+namespace cdm { |
+struct HostFile; |
+} |
+ |
+namespace content { |
+ |
+// Represents a file that participated in hosting the CDM. |
+class 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); |
+ |
+ // 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_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CdmHostFile); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_COMMON_MEDIA_CDM_HOST_FILE_H_ |