gecko-dev/dom/ipc/DOMTypes.ipdlh

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2.4 KiB
C++

/* -*- 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 IPCBlob;
include IPCStream;
include ProtocolTypes;
using struct mozilla::void_t
from "ipc/IPCMessageUtils.h";
using struct mozilla::SerializedStructuredCloneBuffer
from "ipc/IPCMessageUtils.h";
using LayoutDeviceIntRect from "Units.h";
using DesktopIntRect from "Units.h";
using DesktopToLayoutDeviceScale from "Units.h";
using CSSToLayoutDeviceScale from "Units.h";
using CSSRect from "Units.h";
using CSSSize from "Units.h";
using mozilla::LayoutDeviceIntPoint from "Units.h";
using mozilla::dom::ScreenOrientationInternal from "mozilla/dom/ScreenOrientation.h";
namespace mozilla {
namespace dom {
struct MessagePortIdentifier
{
nsID uuid;
nsID destinationUuid;
uint32_t sequenceId;
bool neutered;
};
/**
* Cross-process representation for postMessage() style payloads where Blobs may
* be referenced/"cloned" and (optionally) messageports transferred. Use
* StructuredCloneData in your code to convert between this wire representation
* and the StructuredCloneData StructuredCloneHolder-subclass.
*/
struct ClonedMessageData
{
SerializedStructuredCloneBuffer data;
IPCBlob[] blobs;
IPCStream[] inputStreams;
MessagePortIdentifier[] identfiers;
};
union IPCDataTransferData
{
nsString; // text
Shmem; // images using Shmem
IPCBlob; // 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;
};
struct ScreenDetails {
LayoutDeviceIntRect rect;
DesktopIntRect rectDisplayPix;
LayoutDeviceIntRect availRect;
DesktopIntRect availRectDisplayPix;
int32_t pixelDepth;
int32_t colorDepth;
DesktopToLayoutDeviceScale contentsScaleFactor;
CSSToLayoutDeviceScale defaultCSSScaleFactor;
};
struct DimensionInfo
{
CSSRect rect;
CSSSize size;
ScreenOrientationInternal orientation;
LayoutDeviceIntPoint clientOffset;
LayoutDeviceIntPoint chromeDisp;
};
} // namespace dom
} // namespace mozilla