gecko-dev/dom/clients/manager/ClientInfo.h

112 строки
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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/. */
#ifndef _mozilla_dom_ClientInfo_h
#define _mozilla_dom_ClientInfo_h
#include "mozilla/dom/ClientBinding.h"
#include "mozilla/UniquePtr.h"
namespace mozilla {
namespace ipc {
class PrincipalInfo;
} // namespace ipc
namespace dom {
class IPCClientInfo;
// This class provides a simple structure that represents a global living
// in the system. Its thread safe and can be transferred across process
// boundaries. A ClientInfo object can represent either a window or a worker.
class ClientInfo final
{
UniquePtr<IPCClientInfo> mData;
public:
ClientInfo(const nsID& aId,
ClientType aType,
const mozilla::ipc::PrincipalInfo& aPrincipalInfo,
const TimeStamp& aCreationTime);
ClientInfo(const ClientInfo& aRight);
ClientInfo&
operator=(const ClientInfo& aRight);
ClientInfo(ClientInfo&& aRight);
ClientInfo&
operator=(ClientInfo&& aRight);
explicit ClientInfo(const IPCClientInfo& aData);
~ClientInfo();
bool
operator==(const ClientInfo& aRight) const;
// Get the unique identifier chosen at the time of the global's creation.
const nsID&
Id() const;
// Determine what kind of global this is; e.g. Window, Worker, SharedWorker,
// etc.
ClientType
Type() const;
// Every global must have a principal that cannot change.
const mozilla::ipc::PrincipalInfo&
PrincipalInfo() const;
// The time at which the global was created.
const TimeStamp&
CreationTime() const;
// Each global has the concept of a creation URL. For the most part this
// does not change. The one exception is for about:blank replacement
// iframes. In this case the URL starts as "about:blank", but is later
// overriden with the final URL.
const nsCString&
URL() const;
// Override the creation URL. This should only be used for about:blank
// replacement iframes.
void
SetURL(const nsACString& aURL);
// The frame type is largely a window concept, but we track it as part
// of the global here because of the way the Clients WebAPI was designed.
// This is set at the time the global becomes execution ready. Workers
// will always return None.
mozilla::dom::FrameType
FrameType() const;
// Set the frame type for the global. This should only happen once the
// global has become execution ready.
void
SetFrameType(mozilla::dom::FrameType aFrameType);
// Convert to the ipdl generated type.
const IPCClientInfo&
ToIPC() const;
// Determine if the client is in private browsing mode.
bool
IsPrivateBrowsing() const;
// Get a main-thread nsIPrincipal for the client. This may return nullptr
// if the PrincipalInfo() fails to deserialize for some reason.
nsCOMPtr<nsIPrincipal>
GetPrincipal() const;
};
} // namespace dom
} // namespace mozilla
#endif // _mozilla_dom_ClientInfo_h