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25 lines
1.0 KiB
Plaintext
25 lines
1.0 KiB
Plaintext
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// Copyright 2018 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 blink.mojom;
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import "mojo/public/mojom/base/file_error.mojom";
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import "third_party/blink/public/mojom/blob/blob.mojom";
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// Interface provided to the renderer to let a renderer write data to a file.
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interface FileWriter {
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// Write data from |blob| to the given |position| in the file being written
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// to. Returns whether the operation succeeded and if so how many bytes were
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// written.
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// TODO(mek): This might need some way of reporting progress events back to
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// the renderer.
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Write(uint64 position, Blob blob) => (mojo_base.mojom.FileError result,
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uint64 bytes_written);
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// Changes the length of the file to be |length|. If |length| is larger than
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// the current size of the file, the file will be extended, and the extended
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// part is filled with null bytes.
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Truncate(uint64 length) => (mojo_base.mojom.FileError result);
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};
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