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42 lines
1.7 KiB
Plaintext
42 lines
1.7 KiB
Plaintext
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module media.mojom;
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import "mojo/common/file.mojom";
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// Provides a way to organize persistent per-origin/per-cdm-type data
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// in the browser's file system.
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interface CdmStorage {
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enum Status {
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kSuccess, // File was successfully opened.
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kInUse, // File is already open by another client.
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kFailure // Unable to open file.
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};
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// Opens the file specified by |file_name| for read or write. Can be called
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// multiple times for different files, or for the same file if the first one
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// has been closed. If successful, kSuccess will be returned, |file| can
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// be used to access the contents, and |releaser| should be closed when
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// access to the file is no longer needed (i.e. file closed). On failure,
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// |status| <> kSuccess and |file| and |releaser| are null.
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// - If the file is already opened by another CDM instance, kInUse will
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// be returned in |status|.
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// - |file_name| must not contain forward slash ('/') or backslash ('\'),
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// and must not start with an underscore ('_'). If this happens,
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// |status| == kFailure is returned.
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// - if |key_system| passed to Initialize() is not recognized, kFailure
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// will be returned.
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Open(string file_name)
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=> (Status status,
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mojo.common.mojom.File? file,
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associated CdmFileReleaser? releaser);
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};
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// Provides a way to keep track of the file opened. When the connection to this
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// object is broken, it is assumed that the file has been closed and that no
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// more operations will be performed on it.
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interface CdmFileReleaser {
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};
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