1 files changed, 181 insertions, 0 deletions
diff --git a/dom/ipc/DOMTypes.ipdlh b/dom/ipc/DOMTypes.ipdlh
new file mode 100644
index 000000000..e02760ada
--- /dev/null
+++ b/dom/ipc/DOMTypes.ipdlh
@@ -0,0 +1,181 @@
+/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+include protocol PBlob;
+include protocol PSendStream;
+include IPCStream;
+include ProtocolTypes;
+
+using struct mozilla::void_t
+  from "ipc/IPCMessageUtils.h";
+
+using struct mozilla::SerializedStructuredCloneBuffer
+  from "ipc/IPCMessageUtils.h";
+
+namespace mozilla {
+namespace dom {
+
+union OptionalID
+{
+  nsID;
+  void_t;
+};
+
+struct MessagePortIdentifier
+{
+  nsID uuid;
+  nsID destinationUuid;
+  uint32_t sequenceId;
+  bool neutered;
+};
+
+struct ClonedMessageData
+{
+  SerializedStructuredCloneBuffer data;
+  PBlob[] blobs;
+  MessagePortIdentifier[] identfiers;
+};
+
+struct BlobDataStream
+{
+  IPCStream stream;
+  uint64_t length;
+};
+
+union BlobData
+{
+  // For remote blobs.
+  nsID;
+
+  // For memory-backed blobs.
+  BlobDataStream;
+
+  // For multiplex blobs.
+  BlobData[];
+};
+
+union OptionalBlobData
+{
+  BlobData;
+  void_t;
+};
+
+struct NormalBlobConstructorParams
+{
+  nsString contentType;
+  uint64_t length;
+
+  // This must be of type BlobData in a child->parent message, and will always
+  // be of type void_t in a parent->child message.
+  OptionalBlobData optionalBlobData;
+};
+
+struct FileBlobConstructorParams
+{
+  nsString name;
+  nsString contentType;
+  nsString path;
+  uint64_t length;
+  int64_t modDate;
+  bool isDirectory;
+
+  // This must be of type BlobData in a child->parent message, and will always
+  // be of type void_t in a parent->child message.
+  OptionalBlobData optionalBlobData;
+};
+
+struct SlicedBlobConstructorParams
+{
+  PBlob source;
+  nsID id;
+  uint64_t begin;
+  uint64_t end;
+  nsString contentType;
+};
+
+struct MysteryBlobConstructorParams
+{
+  // Nothing is known about this type of blob.
+};
+
+struct KnownBlobConstructorParams
+{
+  nsID id;
+};
+
+// This may only be used for same-process inter-thread communication!
+struct SameProcessBlobConstructorParams
+{
+  // This member should be reinterpret_cast'd to mozilla::dom::BlobImpl. It
+  // carries a reference.
+  intptr_t addRefedBlobImpl;
+};
+
+union AnyBlobConstructorParams
+{
+  // These types may be sent to/from parent and child.
+  NormalBlobConstructorParams;
+  FileBlobConstructorParams;
+  SameProcessBlobConstructorParams;
+
+  // This type may only be sent from parent to child.
+  MysteryBlobConstructorParams;
+
+  // These types may only be sent from child to parent.
+  SlicedBlobConstructorParams;
+  KnownBlobConstructorParams;
+};
+
+struct ChildBlobConstructorParams
+{
+  nsID id;
+
+  // May not be SlicedBlobConstructorParams or KnownBlobConstructorParams.
+  AnyBlobConstructorParams blobParams;
+};
+
+struct ParentBlobConstructorParams
+{
+  // May not be MysteryBlobConstructorParams.
+  AnyBlobConstructorParams blobParams;
+};
+
+union BlobConstructorParams
+{
+  ChildBlobConstructorParams;
+  ParentBlobConstructorParams;
+};
+
+union IPCDataTransferData
+{
+  nsString;  // text
+  Shmem;     // images using Shmem
+  PBlob;     // files
+};
+
+struct IPCDataTransferImage
+{
+  uint32_t width;
+  uint32_t height;
+  uint32_t stride;
+  uint8_t format;
+};
+
+struct IPCDataTransferItem
+{
+  nsCString flavor;
+  // The image details are only used when transferring images.
+  IPCDataTransferImage imageDetails;
+  IPCDataTransferData data;
+};
+
+struct IPCDataTransfer
+{
+  IPCDataTransferItem[] items;
+};
+
+} // namespace dom
+} // namespace mozilla