зеркало из https://github.com/mozilla/gecko-dev.git
140 строки
2.8 KiB
C++
140 строки
2.8 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
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/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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include protocol PBlob;
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using struct mozilla::void_t
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from "ipc/IPCMessageUtils.h";
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using struct mozilla::SerializedStructuredCloneBuffer
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from "ipc/IPCMessageUtils.h";
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using struct nsID
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from "nsID.h";
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namespace mozilla {
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namespace dom {
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union OptionalID
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{
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nsID;
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void_t;
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};
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struct ClonedMessageData
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{
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SerializedStructuredCloneBuffer data;
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PBlob[] blobs;
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};
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union BlobData
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{
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// For remote blobs.
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nsID;
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// For memory-backed blobs.
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uint8_t[];
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// For file snapshots, this is an nsIInputStream.
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intptr_t;
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// For multiplex blobs.
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BlobData[];
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};
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union OptionalBlobData
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{
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BlobData;
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void_t;
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};
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struct NormalBlobConstructorParams
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{
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nsString contentType;
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uint64_t length;
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// This must be of type BlobData in a child->parent message, and will always
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// be of type void_t in a parent->child message.
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OptionalBlobData optionalBlobData;
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};
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struct FileBlobConstructorParams
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{
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nsString name;
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nsString contentType;
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uint64_t length;
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uint64_t modDate;
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// This must be of type BlobData in a child->parent message, and will always
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// be of type void_t in a parent->child message.
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OptionalBlobData optionalBlobData;
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};
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struct SlicedBlobConstructorParams
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{
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PBlob source;
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nsID id;
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uint64_t begin;
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uint64_t end;
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nsString contentType;
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};
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struct MysteryBlobConstructorParams
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{
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// Nothing is known about this type of blob.
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};
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struct KnownBlobConstructorParams
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{
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nsID id;
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};
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// This may only be used for same-process inter-thread communication!
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struct SameProcessBlobConstructorParams
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{
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// This member should be reinterpret_cast'd to mozilla::dom::FileImpl. It
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// carries a reference.
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intptr_t addRefedFileImpl;
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};
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union AnyBlobConstructorParams
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{
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// These types may be sent to/from parent and child.
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NormalBlobConstructorParams;
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FileBlobConstructorParams;
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SameProcessBlobConstructorParams;
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// This type may only be sent from parent to child.
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MysteryBlobConstructorParams;
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// These types may only be sent from child to parent.
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SlicedBlobConstructorParams;
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KnownBlobConstructorParams;
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};
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struct ChildBlobConstructorParams
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{
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nsID id;
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// May not be SlicedBlobConstructorParams or KnownBlobConstructorParams.
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AnyBlobConstructorParams blobParams;
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};
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struct ParentBlobConstructorParams
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{
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// May not be MysteryBlobConstructorParams.
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AnyBlobConstructorParams blobParams;
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};
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union BlobConstructorParams
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{
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ChildBlobConstructorParams;
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ParentBlobConstructorParams;
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};
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} // namespace dom
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} // namespace mozilla
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