gecko-dev/dom/ipc/PContentBridge.ipdl

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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 PBrowser;
include protocol PContent;
include protocol PJavaScript;
include protocol PFileDescriptorSet;
include protocol PChildToParentStream;
include protocol PParentToChildStream;
include protocol PIPCBlobInputStream;
include DOMTypes;
include JavaScriptTypes;
include ProtocolTypes;
include PTabContext;
using class IPC::Principal from "mozilla/dom/PermissionMessageUtils.h";
using mozilla::dom::TabId from "mozilla/dom/ipc/IdType.h";
using mozilla::dom::ContentParentId from "mozilla/dom/ipc/IdType.h";
using class mozilla::dom::MessagePort from "mozilla/dom/MessagePort.h";
using class mozilla::dom::ipc::StructuredCloneData from "mozilla/dom/ipc/StructuredCloneData.h";
namespace mozilla {
namespace dom {
/*
* PContentBridge allows us to represent a parent/child relationship between two
* child processes. When a child process wants to open its own child, it asks
* the root process to create a new process and then bridge them. The first
* child will allocate the PContentBridgeParent, and the newly opened child will
* allocate the PContentBridgeChild. This protocol allows these processes to
* share PBrowsers and send messages to each other.
*/
nested(upto inside_cpow) sync protocol PContentBridge
{
manages PBlob;
manages PBrowser;
manages PFileDescriptorSet;
manages PJavaScript;
manages PChildToParentStream;
manages PParentToChildStream;
manages PIPCBlobInputStream;
child:
async PParentToChildStream();
child:
/**
* Sending an activate message moves focus to the child.
*/
async Activate(PBrowser aTab);
async Deactivate(PBrowser aTab);
async ParentActivated(PBrowser aTab, bool aActivated);
async PIPCBlobInputStream(nsID aID, uint64_t aSize);
parent:
sync SyncMessage(nsString aMessage, ClonedMessageData aData,
CpowEntry[] aCpows, Principal aPrincipal)
returns (StructuredCloneData[] retval);
async PJavaScript();
async PChildToParentStream();
both:
// Both the parent and the child can construct the PBrowser.
// See the comment in PContent::PBrowser().
async PBrowser(TabId tabId, TabId sameTabGroupAs,
IPCTabContext context, uint32_t chromeFlags,
ContentParentId cpId, bool isForBrowser);
async PBlob(BlobConstructorParams params);
async PFileDescriptorSet(FileDescriptor fd);
async AsyncMessage(nsString aMessage, CpowEntry[] aCpows,
Principal aPrincipal, ClonedMessageData aData);
};
}
}