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e4ddf24147
Sorry for the massive patch but I found it hard to split without introducing a bunch of copies around... This mostly makes necko and DOM agree on which strings to use, which should result on less copies and conversions. Differential Revision: https://phabricator.services.mozilla.com/D205601
150 lines
4.2 KiB
C++
150 lines
4.2 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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{ \
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0xb25edee6, 0xdd35, 0x4f8b, { \
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0xab, 0x90, 0x66, 0xd0, 0xbd, 0x3c, 0x22, 0xd5 \
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} \
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}
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class Link : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(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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NS_DEFINE_STATIC_IID_ACCESSOR(Link, MOZILLA_DOM_LINK_IMPLEMENTATION_IID)
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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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