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07efe4a953
In modern C++, static constexpr member variables are automatically inline (aka weak) so the template trick is not needed. This also avoid duplication and reduces the amount of parsed code. No impact on generated binary (actually: smaller debuginfo, close to identical binary). Differential Revision: https://phabricator.services.mozilla.com/D247825
143 lines
4 KiB
C++
143 lines
4 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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/**
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* This is the base class for all link classes.
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*/
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#ifndef mozilla_dom_Link_h__
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#define mozilla_dom_Link_h__
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#include "nsWrapperCache.h" // For nsWrapperCache::FlagsType
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#include "nsCOMPtr.h"
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#include "mozilla/dom/RustTypes.h"
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class nsIURI;
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namespace mozilla {
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class SizeOfState;
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namespace dom {
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class Document;
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class Element;
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struct BindContext;
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#define MOZILLA_DOM_LINK_IMPLEMENTATION_IID \
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{0xb25edee6, 0xdd35, 0x4f8b, {0xab, 0x90, 0x66, 0xd0, 0xbd, 0x3c, 0x22, 0xd5}}
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class Link : public nsISupports {
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public:
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NS_INLINE_DECL_STATIC_IID(MOZILLA_DOM_LINK_IMPLEMENTATION_IID)
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enum class State : uint8_t {
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Unvisited = 0,
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Visited,
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NotLink,
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};
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/**
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* aElement is the element pointer corresponding to this link.
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*/
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explicit Link(Element* aElement);
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/**
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* This constructor is only used for testing.
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*/
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explicit Link();
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virtual void VisitedQueryFinished(bool aVisited);
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/**
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* @return the URI this link is for, if available.
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*/
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nsIURI* GetURI() const;
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/**
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* Helper methods for modifying and obtaining parts of the URI of the Link.
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*/
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void SetProtocol(const nsACString& aProtocol);
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void SetUsername(const nsACString& aUsername);
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void SetPassword(const nsACString& aPassword);
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void SetHost(const nsACString& aHost);
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void SetHostname(const nsACString& aHostname);
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void SetPathname(const nsACString& aPathname);
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void SetSearch(const nsACString& aSearch);
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void SetPort(const nsACString& aPort);
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void SetHash(const nsACString& aHash);
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void GetOrigin(nsACString& aOrigin);
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void GetProtocol(nsACString& aProtocol);
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void GetUsername(nsACString& aUsername);
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void GetPassword(nsACString& aPassword);
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void GetHost(nsACString& aHost);
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void GetHostname(nsACString& aHostname);
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void GetPathname(nsACString& aPathname);
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void GetSearch(nsACString& aSearch);
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void GetPort(nsACString& aPort);
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void GetHash(nsACString& aHash);
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/**
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* Invalidates any link caching, and resets the state to the default.
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*
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* @param aNotify
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* true if ResetLinkState should notify the owning document about style
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* changes or false if it should not.
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*/
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void ResetLinkState(bool aNotify, bool aHasHref);
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void ResetLinkState(bool aNotify) {
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ResetLinkState(aNotify, ElementHasHref());
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}
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void BindToTree(const BindContext&);
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void UnbindFromTree() { ResetLinkState(false); }
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// This method nevers returns a null element.
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Element* GetElement() const { return mElement; }
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virtual size_t SizeOfExcludingThis(mozilla::SizeOfState& aState) const;
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virtual bool ElementHasHref() const;
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bool HasPendingLinkUpdate() const { return mHasPendingLinkUpdate; }
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void SetHasPendingLinkUpdate() { mHasPendingLinkUpdate = true; }
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void ClearHasPendingLinkUpdate() { mHasPendingLinkUpdate = false; }
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void TriggerLinkUpdate(bool aNotify);
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// To ensure correct mHasPendingLinkUpdate handling, we have this method
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// similar to the one in Element. Overriders must call
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// ClearHasPendingLinkUpdate().
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// If you change this, change also the method in nsINode.
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virtual void NodeInfoChanged(Document* aOldDoc) = 0;
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protected:
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virtual ~Link();
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nsIURI* GetCachedURI() const { return mCachedURI; }
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bool HasCachedURI() const { return !!mCachedURI; }
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private:
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/**
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* Unregisters from History and the document so this node no longer gets
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* notifications about changes to visitedness.
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*/
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void Unregister();
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void SetLinkState(State, bool aNotify);
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void SetHrefAttribute(nsIURI* aURI);
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mutable nsCOMPtr<nsIURI> mCachedURI;
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Element* const mElement;
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bool mNeedsRegistration : 1;
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bool mRegistered : 1;
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bool mHasPendingLinkUpdate : 1;
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const bool mHistory : 1;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_Link_h__
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