gecko-dev/docshell/base/LoadContext.h

132 строки
3.9 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 LoadContext_h
#define LoadContext_h
#include "SerializedLoadContext.h"
#include "mozilla/Attributes.h"
#include "mozilla/BasePrincipal.h"
#include "nsIWeakReferenceUtils.h"
#include "mozilla/dom/Element.h"
#include "nsIInterfaceRequestor.h"
#include "nsILoadContext.h"
namespace mozilla {
/**
* Class that provides nsILoadContext info in Parent process. Typically copied
* from Child via SerializedLoadContext.
*
* Note: this is not the "normal" or "original" nsILoadContext. That is
* typically provided by nsDocShell. This is only used when the original
* docshell is in a different process and we need to copy certain values from
* it.
*
* Note: we also generate a new nsILoadContext using LoadContext(uint32_t aAppId)
* to separate the safebrowsing cookie.
*/
class LoadContext final
: public nsILoadContext
, public nsIInterfaceRequestor
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSILOADCONTEXT
NS_DECL_NSIINTERFACEREQUESTOR
// appId/inIsolatedMozBrowser arguments override those in SerializedLoadContext
// provided by child process.
LoadContext(const IPC::SerializedLoadContext& aToCopy,
dom::Element* aTopFrameElement,
DocShellOriginAttributes& aAttrs)
: mTopFrameElement(do_GetWeakReference(aTopFrameElement))
, mNestedFrameId(0)
, mIsContent(aToCopy.mIsContent)
, mUsePrivateBrowsing(aToCopy.mUsePrivateBrowsing)
, mUseRemoteTabs(aToCopy.mUseRemoteTabs)
, mOriginAttributes(aAttrs)
#ifdef DEBUG
, mIsNotNull(aToCopy.mIsNotNull)
#endif
{
MOZ_ASSERT(aToCopy.mUsePrivateBrowsing == (aAttrs.mPrivateBrowsingId != 0));
}
// appId/inIsolatedMozBrowser arguments override those in SerializedLoadContext
// provided by child process.
LoadContext(const IPC::SerializedLoadContext& aToCopy,
uint64_t aNestedFrameId,
DocShellOriginAttributes& aAttrs)
: mTopFrameElement(nullptr)
, mNestedFrameId(aNestedFrameId)
, mIsContent(aToCopy.mIsContent)
, mUsePrivateBrowsing(aToCopy.mUsePrivateBrowsing)
, mUseRemoteTabs(aToCopy.mUseRemoteTabs)
, mOriginAttributes(aAttrs)
#ifdef DEBUG
, mIsNotNull(aToCopy.mIsNotNull)
#endif
{
MOZ_ASSERT(aToCopy.mUsePrivateBrowsing == (aAttrs.mPrivateBrowsingId != 0));
}
LoadContext(dom::Element* aTopFrameElement,
bool aIsContent,
bool aUsePrivateBrowsing,
bool aUseRemoteTabs,
const DocShellOriginAttributes& aAttrs)
: mTopFrameElement(do_GetWeakReference(aTopFrameElement))
, mNestedFrameId(0)
, mIsContent(aIsContent)
, mUsePrivateBrowsing(aUsePrivateBrowsing)
, mUseRemoteTabs(aUseRemoteTabs)
, mOriginAttributes(aAttrs)
#ifdef DEBUG
, mIsNotNull(true)
#endif
{
MOZ_ASSERT(aUsePrivateBrowsing == (aAttrs.mPrivateBrowsingId != 0));
}
// Constructor taking reserved appId for the safebrowsing cookie.
explicit LoadContext(uint32_t aAppId)
: mTopFrameElement(nullptr)
, mNestedFrameId(0)
, mIsContent(false)
, mUsePrivateBrowsing(false)
, mUseRemoteTabs(false)
, mOriginAttributes(aAppId, false)
#ifdef DEBUG
, mIsNotNull(true)
#endif
{
}
// Constructor for creating a LoadContext with a given principal's appId and
// browser flag.
explicit LoadContext(nsIPrincipal* aPrincipal,
nsILoadContext* aOptionalBase = nullptr);
private:
~LoadContext() {}
nsWeakPtr mTopFrameElement;
uint64_t mNestedFrameId;
bool mIsContent;
bool mUsePrivateBrowsing;
bool mUseRemoteTabs;
DocShellOriginAttributes mOriginAttributes;
#ifdef DEBUG
bool mIsNotNull;
#endif
};
} // namespace mozilla
#endif // LoadContext_h