forked from mirrors/gecko-dev
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_ChannelInfo_h
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#define mozilla_dom_ChannelInfo_h
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#include "nsString.h"
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#include "nsCOMPtr.h"
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class nsIChannel;
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class nsIDocument;
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class nsIGlobalObject;
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class nsIURI;
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namespace mozilla {
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namespace ipc {
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class IPCChannelInfo;
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} // namespace ipc
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namespace dom {
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// This class represents the information related to a Response that we
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// retrieve from the corresponding channel that is used to perform the fetch.
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//
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// When adding new members to this object, the following code needs to be
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// updated:
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// * IPCChannelInfo
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// * InitFromChannel and InitFromIPCChannelInfo members
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// * ResurrectInfoOnChannel member
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// * AsIPCChannelInfo member
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// * constructors and assignment operators for this class.
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// * DOM Cache schema code (in dom/cache/DBSchema.cpp) to ensure that the newly
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// added member is saved into the DB and loaded from it properly.
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//
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// Care must be taken when initializing this object, or when calling
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// ResurrectInfoOnChannel(). This object cannot be initialized twice, and
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// ResurrectInfoOnChannel() cannot be called on it before it has been
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// initialized. There are assertions ensuring these invariants.
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class ChannelInfo final
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{
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public:
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typedef mozilla::ipc::IPCChannelInfo IPCChannelInfo;
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ChannelInfo()
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: mInited(false)
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{
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}
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ChannelInfo(const ChannelInfo& aRHS)
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: mSecurityInfo(aRHS.mSecurityInfo)
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, mInited(aRHS.mInited)
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{
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}
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ChannelInfo&
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operator=(const ChannelInfo& aRHS)
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{
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mSecurityInfo = aRHS.mSecurityInfo;
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mInited = aRHS.mInited;
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return *this;
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}
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void InitFromDocument(nsIDocument* aDoc);
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void InitFromChannel(nsIChannel* aChannel);
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void InitFromChromeGlobal(nsIGlobalObject* aGlobal);
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void InitFromIPCChannelInfo(const IPCChannelInfo& aChannelInfo);
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// This restores every possible information stored from a previous channel
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// object on a new one.
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nsresult ResurrectInfoOnChannel(nsIChannel* aChannel);
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bool IsInitialized() const
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{
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return mInited;
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}
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IPCChannelInfo AsIPCChannelInfo() const;
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private:
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void SetSecurityInfo(nsISupports* aSecurityInfo);
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private:
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nsCString mSecurityInfo;
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bool mInited;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_ChannelInfo_h
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