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58 lines
2.7 KiB
Plaintext
58 lines
2.7 KiB
Plaintext
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// 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 blink.mojom;
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import "third_party/blink/public/mojom/blob/blob.mojom";
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import "third_party/blink/public/mojom/blob/blob_url_store.mojom";
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import "third_party/blink/public/mojom/blob/data_element.mojom";
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import "third_party/blink/public/mojom/blob/serialized_blob.mojom";
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import "url/mojom/origin.mojom";
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// This interface is used to inform a client of progress, in particular when
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// creating a blob from a data stream.
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interface ProgressClient {
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// Called everytime a new chunk of data has been read from the stream, and
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// written to a blob being built. |delta| is the size of the latest chunk,
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// so when the blob is finished the sum of all the |delta| values will be
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// equal to the size of the created blob.
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OnProgress(uint64 delta);
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};
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// This interface is the primary access point from renderer to the browser's
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// blob system. This interface provides methods to register new blobs and get
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// references to existing blobs.
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interface BlobRegistry {
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// Registers a new blob with the blob registry.
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// TODO(mek): Make this method non-sync and get rid of the UUID parameter once
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// enough of the rest of the system doesn't rely on the UUID anymore.
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[Sync] Register(blink.mojom.Blob& blob, string uuid,
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string content_type, string content_disposition,
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array<DataElement> elements) => ();
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// Creates a new blob out of a data pipe.
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// |length_hint| is only used as a hint, to decide if the blob should be
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// stored in memory or on disk. Registration will still succeed even if less
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// or more bytes are read from the pipe. The resulting SerializedBlob can be
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// inspected to see how many bytes actually did end up being read from
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// the pipe. Pass 0 if nothing is known about the expected size.
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// If something goes wrong (for example the blob system doesn't have enough
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// available space to store all the data from the stream) null will be
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// returned.
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RegisterFromStream(string content_type, string content_disposition,
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uint64 length_hint,
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handle<data_pipe_consumer> data,
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associated ProgressClient? progress_client)
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=> (SerializedBlob? blob);
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// Returns a reference to an existing blob. Should not be used by new code,
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// is only exposed to make converting existing blob using code easier.
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// TODO(mek): Remove when crbug.com/740744 is resolved.
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[Sync] GetBlobFromUUID(Blob& blob, string uuid) => ();
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// Returns a BlobURLStore for a specific origin.
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URLStoreForOrigin(url.mojom.Origin origin,
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associated blink.mojom.BlobURLStore& url_store);
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};
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