mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-04 16:15:25 +00:00
b83ba6b825
Backed out changeset b782435e5640 (bug 671389) Backed out changeset 0f8d62109bfe (bug 671389) Backed out changeset 8d6021f66c49 (bug 671389) Backed out changeset cd3e227df9dc (bug 671389)
2959 lines
99 KiB
C++
2959 lines
99 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 nsIDocument_h___
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#define nsIDocument_h___
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#include "mozFlushType.h" // for enum
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#include "nsAutoPtr.h" // for member
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#include "nsCOMArray.h" // for member
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#include "nsCRT.h" // for NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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#include "nsCompatibility.h" // for member
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#include "nsCOMPtr.h" // for member
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#include "nsGkAtoms.h" // for static class members
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#include "nsIDocumentObserver.h" // for typedef (nsUpdateType)
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#include "nsILoadGroup.h" // for member (in nsCOMPtr)
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#include "nsINode.h" // for base class
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#include "nsIScriptGlobalObject.h" // for member (in nsCOMPtr)
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#include "nsPIDOMWindow.h" // for use in inline functions
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#include "nsPropertyTable.h" // for member
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#include "nsTHashtable.h" // for member
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#include "mozilla/net/ReferrerPolicy.h" // for member
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#include "nsWeakReference.h"
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#include "mozilla/dom/DocumentBinding.h"
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#include "mozilla/WeakPtr.h"
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#include "Units.h"
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#include "nsExpirationTracker.h"
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#include "nsClassHashtable.h"
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#include "prclist.h"
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#include "gfxVR.h"
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class imgIRequest;
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class nsAString;
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class nsBindingManager;
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class nsIDocShell;
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class nsDocShell;
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class nsDOMNavigationTiming;
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class nsFrameLoader;
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class nsHTMLCSSStyleSheet;
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class nsHTMLDocument;
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class nsHTMLStyleSheet;
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class nsIAtom;
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class nsIBFCacheEntry;
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class nsIChannel;
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class nsIContent;
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class nsIContentSink;
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class nsIDocShell;
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class nsIDocumentEncoder;
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class nsIDocumentObserver;
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class nsIDOMDocument;
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class nsIDOMDocumentFragment;
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class nsIDOMDocumentType;
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class nsIDOMElement;
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class nsIDOMNodeFilter;
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class nsIDOMNodeList;
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class nsIHTMLCollection;
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class nsILayoutHistoryState;
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class nsILoadContext;
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class nsIObjectLoadingContent;
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class nsIObserver;
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class nsIPresShell;
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class nsIPrincipal;
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class nsIRequest;
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class nsIStreamListener;
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class nsIStructuredCloneContainer;
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class nsIStyleRule;
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class nsIStyleSheet;
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class nsIURI;
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class nsIVariant;
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class nsLocation;
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class nsViewManager;
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class nsPresContext;
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class nsRange;
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class nsScriptLoader;
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class nsSMILAnimationController;
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class nsStyleSet;
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class nsTextNode;
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class nsWindowSizes;
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class nsSmallVoidArray;
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class nsDOMCaretPosition;
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class nsViewportInfo;
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class nsIGlobalObject;
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struct nsCSSSelectorList;
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namespace mozilla {
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class CSSStyleSheet;
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class ErrorResult;
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class EventStates;
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class PendingPlayerTracker;
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class SVGAttrAnimationRuleProcessor;
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namespace css {
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class Loader;
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class ImageLoader;
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} // namespace css
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namespace dom {
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class AnimationTimeline;
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class AnonymousContent;
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class Attr;
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class BoxObject;
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class CDATASection;
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class Comment;
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struct CustomElementDefinition;
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class DocumentFragment;
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class DocumentType;
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class DOMImplementation;
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class DOMStringList;
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class Element;
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struct ElementRegistrationOptions;
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class Event;
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class EventTarget;
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class FontFaceSet;
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class FrameRequestCallback;
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class ImportManager;
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class OverfillCallback;
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class HTMLBodyElement;
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struct LifecycleCallbackArgs;
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class Link;
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class MediaQueryList;
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class GlobalObject;
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class NodeFilter;
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class NodeIterator;
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class ProcessingInstruction;
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class StyleSheetList;
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class SVGDocument;
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class Touch;
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class TouchList;
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class TreeWalker;
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class UndoManager;
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class XPathEvaluator;
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class XPathExpression;
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class XPathNSResolver;
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class XPathResult;
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template<typename> class OwningNonNull;
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template<typename> class Sequence;
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template<typename, typename> class CallbackObjectHolder;
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typedef CallbackObjectHolder<NodeFilter, nsIDOMNodeFilter> NodeFilterHolder;
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struct FullScreenOptions {
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FullScreenOptions() { }
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nsRefPtr<gfx::VRHMDInfo> mVRHMDDevice;
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};
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} // namespace dom
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} // namespace mozilla
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#define NS_IDOCUMENT_IID \
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{ 0xf63d2f6e, 0xd1c1, 0x49b9, \
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{ 0x88, 0x26, 0xd5, 0x9e, 0x5d, 0x72, 0x2a, 0x42 } }
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// Enum for requesting a particular type of document when creating a doc
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enum DocumentFlavor {
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DocumentFlavorLegacyGuess, // compat with old code until made HTML5-compliant
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DocumentFlavorHTML, // HTMLDocument with HTMLness bit set to true
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DocumentFlavorSVG, // SVGDocument
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DocumentFlavorPlain, // Just a Document
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};
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// Document states
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// RTL locale: specific to the XUL localedir attribute
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#define NS_DOCUMENT_STATE_RTL_LOCALE NS_DEFINE_EVENT_STATE_MACRO(0)
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// Window activation status
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#define NS_DOCUMENT_STATE_WINDOW_INACTIVE NS_DEFINE_EVENT_STATE_MACRO(1)
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// Some function forward-declarations
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class nsContentList;
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already_AddRefed<nsContentList>
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NS_GetContentList(nsINode* aRootNode,
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int32_t aMatchNameSpaceId,
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const nsAString& aTagname);
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//----------------------------------------------------------------------
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// Document interface. This is implemented by all document objects in
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// Gecko.
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class nsIDocument : public nsINode
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{
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typedef mozilla::dom::GlobalObject GlobalObject;
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public:
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typedef mozilla::net::ReferrerPolicy ReferrerPolicy;
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typedef mozilla::dom::Element Element;
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_IID)
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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#ifdef MOZILLA_INTERNAL_API
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nsIDocument();
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#endif
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/**
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* Let the document know that we're starting to load data into it.
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* @param aCommand The parser command. Must not be null.
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* XXXbz It's odd to have that here.
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* @param aChannel The channel the data will come from. The channel must be
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* able to report its Content-Type.
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* @param aLoadGroup The loadgroup this document should use from now on.
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* Note that the document might not be the only thing using
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* this loadgroup.
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* @param aContainer The container this document is in. This may be null.
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* XXXbz maybe we should make it more explicit (eg make the
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* container an nsIWebNavigation or nsIDocShell or
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* something)?
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* @param [out] aDocListener the listener to pump data from the channel into.
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* Generally this will be the parser this document
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* sets up, or some sort of data-handler for media
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* documents.
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* @param aReset whether the document should call Reset() on itself. If this
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* is false, the document will NOT set its principal to the
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* channel's owner, will not clear any event listeners that are
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* already set on it, etc.
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* @param aSink The content sink to use for the data. If this is null and
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* the document needs a content sink, it will create one based
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* on whatever it knows about the data it's going to load.
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* This MUST be null if the underlying document is an HTML
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* document. Even in the XML case, please don't add new calls
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* with non-null sink.
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*
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* Once this has been called, the document will return false for
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* MayStartLayout() until SetMayStartLayout(true) is called on it. Making
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* sure this happens is the responsibility of the caller of
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* StartDocumentLoad().
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*/
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virtual nsresult StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener **aDocListener,
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bool aReset,
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nsIContentSink* aSink = nullptr) = 0;
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virtual void StopDocumentLoad() = 0;
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/**
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* Signal that the document title may have changed
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* (see nsDocument::GetTitle).
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* @param aBoundTitleElement true if an HTML or SVG <title> element
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* has just been bound to the document.
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*/
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virtual void NotifyPossibleTitleChange(bool aBoundTitleElement) = 0;
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/**
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* Return the URI for the document. May return null.
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*
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* The value returned corresponds to the "document's current address" in
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* HTML5. As such, it may change over the lifetime of the document, for
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* instance as a result of a call to pushState() or replaceState().
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*/
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nsIURI* GetDocumentURI() const
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{
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return mDocumentURI;
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}
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/**
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* Return the original URI of the document. This is the same as the
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* document's URI unless history.pushState() or replaceState() is invoked on
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* the document.
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*
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* This method corresponds to the "document's address" in HTML5 and, once
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* set, doesn't change over the lifetime of the document.
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*/
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nsIURI* GetOriginalURI() const
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{
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return mOriginalURI;
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}
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/**
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* Set the URI for the document. This also sets the document's original URI,
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* if it's null.
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*/
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virtual void SetDocumentURI(nsIURI* aURI) = 0;
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/**
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* Set the URI for the document loaded via XHR, when accessed from
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* chrome privileged script.
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*/
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virtual void SetChromeXHRDocURI(nsIURI* aURI) = 0;
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/**
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* Set the base URI for the document loaded via XHR, when accessed from
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* chrome privileged script.
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*/
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virtual void SetChromeXHRDocBaseURI(nsIURI* aURI) = 0;
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/**
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* Return the referrer policy of the document. Return "default" if there's no
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* valid meta referrer tag found in the document.
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*/
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ReferrerPolicy GetReferrerPolicy() const
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{
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return mReferrerPolicy;
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}
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/**
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* Set the principal responsible for this document.
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*/
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virtual void SetPrincipal(nsIPrincipal *aPrincipal) = 0;
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/**
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* Return the LoadGroup for the document. May return null.
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*/
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already_AddRefed<nsILoadGroup> GetDocumentLoadGroup() const
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{
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nsCOMPtr<nsILoadGroup> group = do_QueryReferent(mDocumentLoadGroup);
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return group.forget();
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}
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/**
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* Return the base URI for relative URIs in the document (the document uri
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* unless it's overridden by SetBaseURI, HTML <base> tags, etc.). The
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* returned URI could be null if there is no document URI. If the document
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* is a srcdoc document, return the parent document's base URL.
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*/
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nsIURI* GetDocBaseURI() const
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{
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if (mIsSrcdocDocument && mParentDocument) {
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return mParentDocument->GetDocBaseURI();
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}
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return mDocumentBaseURI ? mDocumentBaseURI : mDocumentURI;
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}
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virtual already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const MOZ_OVERRIDE;
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virtual nsresult SetBaseURI(nsIURI* aURI) = 0;
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/**
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* Get/Set the base target of a link in a document.
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*/
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virtual void GetBaseTarget(nsAString &aBaseTarget) = 0;
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void SetBaseTarget(const nsString& aBaseTarget) {
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mBaseTarget = aBaseTarget;
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}
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/**
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* Return a standard name for the document's character set.
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*/
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const nsCString& GetDocumentCharacterSet() const
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{
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return mCharacterSet;
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}
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/**
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* Set the document's character encoding. |aCharSetID| should be canonical.
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* That is, callers are responsible for the charset alias resolution.
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*/
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virtual void SetDocumentCharacterSet(const nsACString& aCharSetID) = 0;
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int32_t GetDocumentCharacterSetSource() const
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{
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return mCharacterSetSource;
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}
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// This method MUST be called before SetDocumentCharacterSet if
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// you're planning to call both.
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void SetDocumentCharacterSetSource(int32_t aCharsetSource)
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{
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mCharacterSetSource = aCharsetSource;
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}
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/**
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* Add an observer that gets notified whenever the charset changes.
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*/
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virtual nsresult AddCharSetObserver(nsIObserver* aObserver) = 0;
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/**
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* Remove a charset observer.
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*/
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virtual void RemoveCharSetObserver(nsIObserver* aObserver) = 0;
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/**
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* This gets fired when the element that an id refers to changes.
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* This fires at difficult times. It is generally not safe to do anything
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* which could modify the DOM in any way. Use
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* nsContentUtils::AddScriptRunner.
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* @return true to keep the callback in the callback set, false
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* to remove it.
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*/
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typedef bool (* IDTargetObserver)(Element* aOldElement,
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Element* aNewelement, void* aData);
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/**
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* Add an IDTargetObserver for a specific ID. The IDTargetObserver
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* will be fired whenever the content associated with the ID changes
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* in the future. If aForImage is true, mozSetImageElement can override
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* what content is associated with the ID. In that case the IDTargetObserver
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* will be notified at those times when the result of LookupImageElement
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* changes.
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* At most one (aObserver, aData, aForImage) triple can be
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* registered for each ID.
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* @return the content currently associated with the ID.
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*/
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virtual Element* AddIDTargetObserver(nsIAtom* aID, IDTargetObserver aObserver,
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void* aData, bool aForImage) = 0;
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/**
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* Remove the (aObserver, aData, aForImage) triple for a specific ID, if
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* registered.
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*/
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virtual void RemoveIDTargetObserver(nsIAtom* aID, IDTargetObserver aObserver,
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void* aData, bool aForImage) = 0;
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/**
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* Get the Content-Type of this document.
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* (This will always return NS_OK, but has this signature to be compatible
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* with nsIDOMDocument::GetContentType())
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*/
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NS_IMETHOD GetContentType(nsAString& aContentType) = 0;
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/**
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* Set the Content-Type of this document.
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*/
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virtual void SetContentType(const nsAString& aContentType) = 0;
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/**
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* Return the language of this document.
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*/
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void GetContentLanguage(nsAString& aContentLanguage) const
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{
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CopyASCIItoUTF16(mContentLanguage, aContentLanguage);
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}
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// The states BidiEnabled and MathMLEnabled should persist across multiple views
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// (screen, print) of the same document.
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/**
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* Check if the document contains bidi data.
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* If so, we have to apply the Unicode Bidi Algorithm.
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*/
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bool GetBidiEnabled() const
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{
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return mBidiEnabled;
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}
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/**
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* Indicate the document contains bidi data.
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* Currently, we cannot disable bidi, because once bidi is enabled,
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* it affects a frame model irreversibly, and plays even though
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* the document no longer contains bidi data.
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*/
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void SetBidiEnabled()
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{
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mBidiEnabled = true;
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}
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/**
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* Check if the document contains (or has contained) any MathML elements.
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*/
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bool GetMathMLEnabled() const
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{
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return mMathMLEnabled;
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}
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void SetMathMLEnabled()
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{
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mMathMLEnabled = true;
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}
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/**
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* Ask this document whether it's the initial document in its window.
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*/
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bool IsInitialDocument() const
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{
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return mIsInitialDocumentInWindow;
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}
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/**
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* Tell this document that it's the initial document in its window. See
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* comments on mIsInitialDocumentInWindow for when this should be called.
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*/
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void SetIsInitialDocument(bool aIsInitialDocument)
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{
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mIsInitialDocumentInWindow = aIsInitialDocument;
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}
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/**
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* Get the bidi options for this document.
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* @see nsBidiUtils.h
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*/
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uint32_t GetBidiOptions() const
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{
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return mBidiOptions;
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}
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/**
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* Set the bidi options for this document. This just sets the bits;
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* callers are expected to take action as needed if they want this
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* change to actually change anything immediately.
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|
* @see nsBidiUtils.h
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*/
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void SetBidiOptions(uint32_t aBidiOptions)
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{
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mBidiOptions = aBidiOptions;
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}
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/**
|
|
* Get the has mixed active content loaded flag for this document.
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*/
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bool GetHasMixedActiveContentLoaded()
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{
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return mHasMixedActiveContentLoaded;
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}
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/**
|
|
* Set the has mixed active content loaded flag for this document.
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*/
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void SetHasMixedActiveContentLoaded(bool aHasMixedActiveContentLoaded)
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{
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mHasMixedActiveContentLoaded = aHasMixedActiveContentLoaded;
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}
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/**
|
|
* Get mixed active content blocked flag for this document.
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*/
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bool GetHasMixedActiveContentBlocked()
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{
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return mHasMixedActiveContentBlocked;
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}
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/**
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* Set the mixed active content blocked flag for this document.
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*/
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void SetHasMixedActiveContentBlocked(bool aHasMixedActiveContentBlocked)
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{
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mHasMixedActiveContentBlocked = aHasMixedActiveContentBlocked;
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}
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/**
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* Get the has mixed display content loaded flag for this document.
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*/
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bool GetHasMixedDisplayContentLoaded()
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{
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return mHasMixedDisplayContentLoaded;
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}
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/**
|
|
* Set the has mixed display content loaded flag for this document.
|
|
*/
|
|
void SetHasMixedDisplayContentLoaded(bool aHasMixedDisplayContentLoaded)
|
|
{
|
|
mHasMixedDisplayContentLoaded = aHasMixedDisplayContentLoaded;
|
|
}
|
|
|
|
/**
|
|
* Get mixed display content blocked flag for this document.
|
|
*/
|
|
bool GetHasMixedDisplayContentBlocked()
|
|
{
|
|
return mHasMixedDisplayContentBlocked;
|
|
}
|
|
|
|
/**
|
|
* Set the mixed display content blocked flag for this document.
|
|
*/
|
|
void SetHasMixedDisplayContentBlocked(bool aHasMixedDisplayContentBlocked)
|
|
{
|
|
mHasMixedDisplayContentBlocked = aHasMixedDisplayContentBlocked;
|
|
}
|
|
|
|
/**
|
|
* Get tracking content blocked flag for this document.
|
|
*/
|
|
bool GetHasTrackingContentBlocked()
|
|
{
|
|
return mHasTrackingContentBlocked;
|
|
}
|
|
|
|
/**
|
|
* Set the tracking content blocked flag for this document.
|
|
*/
|
|
void SetHasTrackingContentBlocked(bool aHasTrackingContentBlocked)
|
|
{
|
|
mHasTrackingContentBlocked = aHasTrackingContentBlocked;
|
|
}
|
|
|
|
/**
|
|
* Get tracking content loaded flag for this document.
|
|
*/
|
|
bool GetHasTrackingContentLoaded()
|
|
{
|
|
return mHasTrackingContentLoaded;
|
|
}
|
|
|
|
/**
|
|
* Set the tracking content loaded flag for this document.
|
|
*/
|
|
void SetHasTrackingContentLoaded(bool aHasTrackingContentLoaded)
|
|
{
|
|
mHasTrackingContentLoaded = aHasTrackingContentLoaded;
|
|
}
|
|
|
|
/**
|
|
* Get the sandbox flags for this document.
|
|
* @see nsSandboxFlags.h for the possible flags
|
|
*/
|
|
uint32_t GetSandboxFlags() const
|
|
{
|
|
return mSandboxFlags;
|
|
}
|
|
|
|
/**
|
|
* Set the sandbox flags for this document.
|
|
* @see nsSandboxFlags.h for the possible flags
|
|
*/
|
|
void SetSandboxFlags(uint32_t sandboxFlags)
|
|
{
|
|
mSandboxFlags = sandboxFlags;
|
|
}
|
|
|
|
/**
|
|
* Access HTTP header data (this may also get set from other
|
|
* sources, like HTML META tags).
|
|
*/
|
|
virtual void GetHeaderData(nsIAtom* aHeaderField, nsAString& aData) const = 0;
|
|
virtual void SetHeaderData(nsIAtom* aheaderField, const nsAString& aData) = 0;
|
|
|
|
/**
|
|
* Create a new presentation shell that will use aContext for its
|
|
* presentation context (presentation contexts <b>must not</b> be
|
|
* shared among multiple presentation shells). The caller of this
|
|
* method is responsible for calling BeginObservingDocument() on the
|
|
* presshell if the presshell should observe document mutations.
|
|
*/
|
|
virtual already_AddRefed<nsIPresShell> CreateShell(nsPresContext* aContext,
|
|
nsViewManager* aViewManager,
|
|
nsStyleSet* aStyleSet) = 0;
|
|
virtual void DeleteShell() = 0;
|
|
|
|
nsIPresShell* GetShell() const
|
|
{
|
|
return GetBFCacheEntry() ? nullptr : mPresShell;
|
|
}
|
|
|
|
void DisallowBFCaching()
|
|
{
|
|
NS_ASSERTION(!mBFCacheEntry, "We're already in the bfcache!");
|
|
mBFCacheDisallowed = true;
|
|
}
|
|
|
|
bool IsBFCachingAllowed() const
|
|
{
|
|
return !mBFCacheDisallowed;
|
|
}
|
|
|
|
void SetBFCacheEntry(nsIBFCacheEntry* aEntry)
|
|
{
|
|
NS_ASSERTION(IsBFCachingAllowed() || !aEntry,
|
|
"You should have checked!");
|
|
|
|
mBFCacheEntry = aEntry;
|
|
}
|
|
|
|
nsIBFCacheEntry* GetBFCacheEntry() const
|
|
{
|
|
return mBFCacheEntry;
|
|
}
|
|
|
|
/**
|
|
* Return the parent document of this document. Will return null
|
|
* unless this document is within a compound document and has a
|
|
* parent. Note that this parent chain may cross chrome boundaries.
|
|
*/
|
|
nsIDocument *GetParentDocument() const
|
|
{
|
|
return mParentDocument;
|
|
}
|
|
|
|
/**
|
|
* Set the parent document of this document.
|
|
*/
|
|
void SetParentDocument(nsIDocument* aParent)
|
|
{
|
|
mParentDocument = aParent;
|
|
}
|
|
|
|
/**
|
|
* Are plugins allowed in this document ?
|
|
*/
|
|
virtual nsresult GetAllowPlugins (bool* aAllowPlugins) = 0;
|
|
|
|
/**
|
|
* Set the sub document for aContent to aSubDoc.
|
|
*/
|
|
virtual nsresult SetSubDocumentFor(Element* aContent,
|
|
nsIDocument* aSubDoc) = 0;
|
|
|
|
/**
|
|
* Get the sub document for aContent
|
|
*/
|
|
virtual nsIDocument *GetSubDocumentFor(nsIContent *aContent) const = 0;
|
|
|
|
/**
|
|
* Find the content node for which aDocument is a sub document.
|
|
*/
|
|
virtual Element* FindContentForSubDocument(nsIDocument* aDocument) const = 0;
|
|
|
|
/**
|
|
* Return the doctype for this document.
|
|
*/
|
|
mozilla::dom::DocumentType* GetDoctype() const;
|
|
|
|
/**
|
|
* Return the root element for this document.
|
|
*/
|
|
Element* GetRootElement() const;
|
|
|
|
virtual nsViewportInfo GetViewportInfo(const mozilla::ScreenIntSize& aDisplaySize) = 0;
|
|
|
|
/**
|
|
* True iff this doc will ignore manual character encoding overrides.
|
|
*/
|
|
virtual bool WillIgnoreCharsetOverride() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Return whether the document was created by a srcdoc iframe.
|
|
*/
|
|
bool IsSrcdocDocument() const {
|
|
return mIsSrcdocDocument;
|
|
}
|
|
|
|
/**
|
|
* Sets whether the document was created by a srcdoc iframe.
|
|
*/
|
|
void SetIsSrcdocDocument(bool aIsSrcdocDocument) {
|
|
mIsSrcdocDocument = aIsSrcdocDocument;
|
|
}
|
|
|
|
/*
|
|
* Gets the srcdoc string from within the channel (assuming both exist).
|
|
* Returns a void string if this isn't a srcdoc document or if
|
|
* the channel has not been set.
|
|
*/
|
|
nsresult GetSrcdocData(nsAString& aSrcdocData);
|
|
|
|
bool DidDocumentOpen() {
|
|
return mDidDocumentOpen;
|
|
}
|
|
|
|
already_AddRefed<mozilla::dom::AnonymousContent>
|
|
InsertAnonymousContent(mozilla::dom::Element& aElement,
|
|
mozilla::ErrorResult& aError);
|
|
void RemoveAnonymousContent(mozilla::dom::AnonymousContent& aContent,
|
|
mozilla::ErrorResult& aError);
|
|
nsTArray<nsRefPtr<mozilla::dom::AnonymousContent>>& GetAnonymousContents() {
|
|
return mAnonymousContents;
|
|
}
|
|
|
|
protected:
|
|
virtual Element *GetRootElementInternal() const = 0;
|
|
|
|
private:
|
|
class SelectorCacheKey
|
|
{
|
|
public:
|
|
explicit SelectorCacheKey(const nsAString& aString) : mKey(aString)
|
|
{
|
|
MOZ_COUNT_CTOR(SelectorCacheKey);
|
|
}
|
|
|
|
nsString mKey;
|
|
nsExpirationState mState;
|
|
|
|
nsExpirationState* GetExpirationState() { return &mState; }
|
|
|
|
~SelectorCacheKey()
|
|
{
|
|
MOZ_COUNT_DTOR(SelectorCacheKey);
|
|
}
|
|
};
|
|
|
|
class SelectorCacheKeyDeleter;
|
|
|
|
public:
|
|
class SelectorCache MOZ_FINAL
|
|
: public nsExpirationTracker<SelectorCacheKey, 4>
|
|
{
|
|
public:
|
|
SelectorCache();
|
|
|
|
// CacheList takes ownership of aSelectorList.
|
|
void CacheList(const nsAString& aSelector, nsCSSSelectorList* aSelectorList);
|
|
|
|
virtual void NotifyExpired(SelectorCacheKey* aSelector) MOZ_OVERRIDE;
|
|
|
|
// We do not call MarkUsed because it would just slow down lookups and
|
|
// because we're OK expiring things after a few seconds even if they're
|
|
// being used. Returns whether we actually had an entry for aSelector.
|
|
// If we have an entry and *aList is null, that indicates that aSelector
|
|
// has already been parsed and is not a syntactically valid selector.
|
|
bool GetList(const nsAString& aSelector, nsCSSSelectorList** aList)
|
|
{
|
|
return mTable.Get(aSelector, aList);
|
|
}
|
|
|
|
~SelectorCache()
|
|
{
|
|
AgeAllGenerations();
|
|
}
|
|
|
|
private:
|
|
nsClassHashtable<nsStringHashKey, nsCSSSelectorList> mTable;
|
|
};
|
|
|
|
SelectorCache& GetSelectorCache()
|
|
{
|
|
return mSelectorCache;
|
|
}
|
|
// Get the root <html> element, or return null if there isn't one (e.g.
|
|
// if the root isn't <html>)
|
|
Element* GetHtmlElement() const;
|
|
// Returns the first child of GetHtmlContent which has the given tag,
|
|
// or nullptr if that doesn't exist.
|
|
Element* GetHtmlChildElement(nsIAtom* aTag);
|
|
// Get the canonical <body> element, or return null if there isn't one (e.g.
|
|
// if the root isn't <html> or if the <body> isn't there)
|
|
mozilla::dom::HTMLBodyElement* GetBodyElement();
|
|
// Get the canonical <head> element, or return null if there isn't one (e.g.
|
|
// if the root isn't <html> or if the <head> isn't there)
|
|
Element* GetHeadElement() {
|
|
return GetHtmlChildElement(nsGkAtoms::head);
|
|
}
|
|
|
|
/**
|
|
* Accessors to the collection of stylesheets owned by this document.
|
|
* Style sheets are ordered, most significant last.
|
|
*/
|
|
|
|
/**
|
|
* These exists to allow us to on-demand load user-agent style sheets that
|
|
* would otherwise be loaded by nsDocumentViewer::CreateStyleSet. This allows
|
|
* us to keep the memory used by a document's rule cascade data (the stuff in
|
|
* its nsStyleSet's nsCSSRuleProcessors) - which can be considerable - lower
|
|
* than it would be if we loaded all built-in user-agent style sheets up
|
|
* front.
|
|
*
|
|
* By "built-in" user-agent style sheets we mean the user-agent style sheets
|
|
* that gecko itself supplies (such as html.css and svg.css) as opposed to
|
|
* user-agent level style sheets inserted by add-ons or the like.
|
|
*
|
|
* This function prepends the given style sheet to the document's style set
|
|
* in order to make sure that it does not override user-agent style sheets
|
|
* supplied by add-ons or by the app (Firefox OS or Firefox Mobile, for
|
|
* example), since their sheets should override built-in sheets.
|
|
*
|
|
* TODO We can get rid of the whole concept of delayed loading if we fix
|
|
* bug 77999.
|
|
*/
|
|
virtual void EnsureOnDemandBuiltInUASheet(mozilla::CSSStyleSheet* aSheet) = 0;
|
|
|
|
/**
|
|
* Get the number of (document) stylesheets
|
|
*
|
|
* @return the number of stylesheets
|
|
* @throws no exceptions
|
|
*/
|
|
virtual int32_t GetNumberOfStyleSheets() const = 0;
|
|
|
|
/**
|
|
* Get a particular stylesheet
|
|
* @param aIndex the index the stylesheet lives at. This is zero-based
|
|
* @return the stylesheet at aIndex. Null if aIndex is out of range.
|
|
* @throws no exceptions
|
|
*/
|
|
virtual nsIStyleSheet* GetStyleSheetAt(int32_t aIndex) const = 0;
|
|
|
|
/**
|
|
* Insert a sheet at a particular spot in the stylesheet list (zero-based)
|
|
* @param aSheet the sheet to insert
|
|
* @param aIndex the index to insert at. This index will be
|
|
* adjusted for the "special" sheets.
|
|
* @throws no exceptions
|
|
*/
|
|
virtual void InsertStyleSheetAt(nsIStyleSheet* aSheet, int32_t aIndex) = 0;
|
|
|
|
/**
|
|
* Get the index of a particular stylesheet. This will _always_
|
|
* consider the "special" sheets as part of the sheet list.
|
|
* @param aSheet the sheet to get the index of
|
|
* @return aIndex the index of the sheet in the full list
|
|
*/
|
|
virtual int32_t GetIndexOfStyleSheet(nsIStyleSheet* aSheet) const = 0;
|
|
|
|
/**
|
|
* Replace the stylesheets in aOldSheets with the stylesheets in
|
|
* aNewSheets. The two lists must have equal length, and the sheet
|
|
* at positon J in the first list will be replaced by the sheet at
|
|
* position J in the second list. Some sheets in the second list
|
|
* may be null; if so the corresponding sheets in the first list
|
|
* will simply be removed.
|
|
*/
|
|
virtual void UpdateStyleSheets(nsCOMArray<nsIStyleSheet>& aOldSheets,
|
|
nsCOMArray<nsIStyleSheet>& aNewSheets) = 0;
|
|
|
|
/**
|
|
* Add a stylesheet to the document
|
|
*/
|
|
virtual void AddStyleSheet(nsIStyleSheet* aSheet) = 0;
|
|
|
|
/**
|
|
* Remove a stylesheet from the document
|
|
*/
|
|
virtual void RemoveStyleSheet(nsIStyleSheet* aSheet) = 0;
|
|
|
|
/**
|
|
* Notify the document that the applicable state of the sheet changed
|
|
* and that observers should be notified and style sets updated
|
|
*/
|
|
virtual void SetStyleSheetApplicableState(nsIStyleSheet* aSheet,
|
|
bool aApplicable) = 0;
|
|
|
|
enum additionalSheetType {
|
|
eAgentSheet,
|
|
eUserSheet,
|
|
eAuthorSheet,
|
|
SheetTypeCount
|
|
};
|
|
|
|
virtual nsresult LoadAdditionalStyleSheet(additionalSheetType aType, nsIURI* aSheetURI) = 0;
|
|
virtual nsresult AddAdditionalStyleSheet(additionalSheetType aType, nsIStyleSheet* aSheet) = 0;
|
|
virtual void RemoveAdditionalStyleSheet(additionalSheetType aType, nsIURI* sheetURI) = 0;
|
|
virtual nsIStyleSheet* FirstAdditionalAuthorSheet() = 0;
|
|
|
|
/**
|
|
* Get this document's CSSLoader. This is guaranteed to not return null.
|
|
*/
|
|
mozilla::css::Loader* CSSLoader() const {
|
|
return mCSSLoader;
|
|
}
|
|
|
|
/**
|
|
* Get this document's StyleImageLoader. This is guaranteed to not return null.
|
|
*/
|
|
mozilla::css::ImageLoader* StyleImageLoader() const {
|
|
return mStyleImageLoader;
|
|
}
|
|
|
|
/**
|
|
* Get the channel that was passed to StartDocumentLoad or Reset for this
|
|
* document. Note that this may be null in some cases (eg if
|
|
* StartDocumentLoad or Reset were never called)
|
|
*/
|
|
virtual nsIChannel* GetChannel() const = 0;
|
|
|
|
/**
|
|
* Get this document's attribute stylesheet. May return null if
|
|
* there isn't one.
|
|
*/
|
|
nsHTMLStyleSheet* GetAttributeStyleSheet() const {
|
|
return mAttrStyleSheet;
|
|
}
|
|
|
|
/**
|
|
* Get this document's inline style sheet. May return null if there
|
|
* isn't one
|
|
*/
|
|
nsHTMLCSSStyleSheet* GetInlineStyleSheet() const {
|
|
return mStyleAttrStyleSheet;
|
|
}
|
|
|
|
/**
|
|
* Get this document's SVG Animation rule processor. May return null
|
|
* if there isn't one.
|
|
*/
|
|
mozilla::SVGAttrAnimationRuleProcessor*
|
|
GetSVGAttrAnimationRuleProcessor() const
|
|
{
|
|
return mSVGAttrAnimationRuleProcessor;
|
|
}
|
|
|
|
virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aGlobalObject) = 0;
|
|
|
|
/**
|
|
* Get/set the object from which the context for the event/script handling can
|
|
* be got. Normally GetScriptHandlingObject() returns the same object as
|
|
* GetScriptGlobalObject(), but if the document is loaded as data,
|
|
* non-null may be returned, even if GetScriptGlobalObject() returns null.
|
|
* aHasHadScriptHandlingObject is set true if document has had the object
|
|
* for event/script handling. Do not process any events/script if the method
|
|
* returns null, but aHasHadScriptHandlingObject is true.
|
|
*/
|
|
nsIScriptGlobalObject*
|
|
GetScriptHandlingObject(bool& aHasHadScriptHandlingObject) const
|
|
{
|
|
aHasHadScriptHandlingObject = mHasHadScriptHandlingObject;
|
|
return mScriptGlobalObject ? mScriptGlobalObject.get() :
|
|
GetScriptHandlingObjectInternal();
|
|
}
|
|
virtual void SetScriptHandlingObject(nsIScriptGlobalObject* aScriptObject) = 0;
|
|
|
|
/**
|
|
* Get the object that is used as the scope for all of the content
|
|
* wrappers whose owner document is this document. Unlike the script global
|
|
* object, this will only return null when the global object for this
|
|
* document is truly gone. Use this object when you're trying to find a
|
|
* content wrapper in XPConnect.
|
|
*/
|
|
virtual nsIGlobalObject* GetScopeObject() const = 0;
|
|
virtual void SetScopeObject(nsIGlobalObject* aGlobal) = 0;
|
|
|
|
/**
|
|
* Return the window containing the document (the outer window).
|
|
*/
|
|
nsPIDOMWindow *GetWindow() const
|
|
{
|
|
return mWindow ? mWindow->GetOuterWindow() : GetWindowInternal();
|
|
}
|
|
|
|
bool IsInBackgroundWindow() const
|
|
{
|
|
nsPIDOMWindow* outer = mWindow ? mWindow->GetOuterWindow() : nullptr;
|
|
return outer && outer->IsBackground();
|
|
}
|
|
|
|
/**
|
|
* Return the inner window used as the script compilation scope for
|
|
* this document. If you're not absolutely sure you need this, use
|
|
* GetWindow().
|
|
*/
|
|
nsPIDOMWindow* GetInnerWindow() const
|
|
{
|
|
return mRemovedFromDocShell ? nullptr : mWindow;
|
|
}
|
|
|
|
/**
|
|
* Return the outer window ID.
|
|
*/
|
|
uint64_t OuterWindowID() const
|
|
{
|
|
nsPIDOMWindow *window = GetWindow();
|
|
return window ? window->WindowID() : 0;
|
|
}
|
|
|
|
/**
|
|
* Return the inner window ID.
|
|
*/
|
|
uint64_t InnerWindowID()
|
|
{
|
|
nsPIDOMWindow *window = GetInnerWindow();
|
|
return window ? window->WindowID() : 0;
|
|
}
|
|
|
|
/**
|
|
* Get the script loader for this document
|
|
*/
|
|
virtual nsScriptLoader* ScriptLoader() = 0;
|
|
|
|
/**
|
|
* Add/Remove an element to the document's id and name hashes
|
|
*/
|
|
virtual void AddToIdTable(Element* aElement, nsIAtom* aId) = 0;
|
|
virtual void RemoveFromIdTable(Element* aElement, nsIAtom* aId) = 0;
|
|
virtual void AddToNameTable(Element* aElement, nsIAtom* aName) = 0;
|
|
virtual void RemoveFromNameTable(Element* aElement, nsIAtom* aName) = 0;
|
|
|
|
/**
|
|
* Returns the element which either requested DOM full-screen mode, or
|
|
* contains the element which requested DOM full-screen mode if the
|
|
* requestee is in a subdocument. Note this element must be *in*
|
|
* this document.
|
|
*/
|
|
virtual Element* GetFullScreenElement() = 0;
|
|
|
|
/**
|
|
* Asynchronously requests that the document make aElement the fullscreen
|
|
* element, and move into fullscreen mode. The current fullscreen element
|
|
* (if any) is pushed onto the fullscreen element stack, and it can be
|
|
* returned to fullscreen status by calling RestorePreviousFullScreenState().
|
|
*
|
|
* Note that requesting fullscreen in a document also makes the element which
|
|
* contains this document in this document's parent document fullscreen. i.e.
|
|
* the <iframe> or <browser> that contains this document is also mode
|
|
* fullscreen. This happens recursively in all ancestor documents.
|
|
*/
|
|
virtual void AsyncRequestFullScreen(Element* aElement,
|
|
mozilla::dom::FullScreenOptions& aOptions) = 0;
|
|
|
|
/**
|
|
* Called when a frame in a child process has entered fullscreen or when a
|
|
* fullscreen frame in a child process changes to another origin.
|
|
* aFrameElement is the frame element which contains the child-process
|
|
* fullscreen document, and aNewOrigin is the origin of the new fullscreen
|
|
* document.
|
|
*/
|
|
virtual nsresult RemoteFrameFullscreenChanged(nsIDOMElement* aFrameElement,
|
|
const nsAString& aNewOrigin) = 0;
|
|
|
|
/**
|
|
* Called when a frame in a remote child document has rolled back fullscreen
|
|
* so that all its fullscreen element stacks are empty; we must continue the
|
|
* rollback in this parent process' doc tree branch which is fullscreen.
|
|
* Note that only one branch of the document tree can have its documents in
|
|
* fullscreen state at one time. We're in inconsistent state if a
|
|
* fullscreen document has a parent and that parent isn't fullscreen. We
|
|
* preserve this property across process boundaries.
|
|
*/
|
|
virtual nsresult RemoteFrameFullscreenReverted() = 0;
|
|
|
|
/**
|
|
* Restores the previous full-screen element to full-screen status. If there
|
|
* is no former full-screen element, this exits full-screen, moving the
|
|
* top-level browser window out of full-screen mode.
|
|
*/
|
|
virtual void RestorePreviousFullScreenState() = 0;
|
|
|
|
/**
|
|
* Returns true if this document is in full-screen mode.
|
|
*/
|
|
virtual bool IsFullScreenDoc() = 0;
|
|
|
|
/**
|
|
* Returns true if this document is a fullscreen leaf document, i.e. it
|
|
* is in fullscreen mode and has no fullscreen children.
|
|
*/
|
|
virtual bool IsFullscreenLeaf() = 0;
|
|
|
|
/**
|
|
* Returns the document which is at the root of this document's branch
|
|
* in the in-process document tree. Returns nullptr if the document isn't
|
|
* fullscreen.
|
|
*/
|
|
virtual nsIDocument* GetFullscreenRoot() = 0;
|
|
|
|
/**
|
|
* Sets the fullscreen root to aRoot. This stores a weak reference to aRoot
|
|
* in this document.
|
|
*/
|
|
virtual void SetFullscreenRoot(nsIDocument* aRoot) = 0;
|
|
|
|
/**
|
|
* Sets whether this document is approved for fullscreen mode.
|
|
* Documents aren't approved for fullscreen until chrome has sent a
|
|
* "fullscreen-approved" notification with a subject which is a pointer
|
|
* to the approved document.
|
|
*/
|
|
virtual void SetApprovedForFullscreen(bool aIsApproved) = 0;
|
|
|
|
/**
|
|
* Exits documents out of DOM fullscreen mode.
|
|
*
|
|
* If aDocument is null, all fullscreen documents in all browser windows
|
|
* exit fullscreen.
|
|
*
|
|
* If aDocument is non null, all documents from aDocument's fullscreen root
|
|
* to the fullscreen leaf exit fullscreen.
|
|
*
|
|
* Note that the fullscreen leaf is the bottom-most document which is
|
|
* fullscreen, it may have non-fullscreen child documents. The fullscreen
|
|
* root is usually the chrome document, but if fullscreen is content-only,
|
|
* (see the comment in nsContentUtils.h on IsFullscreenApiContentOnly())
|
|
* the fullscreen root will be a direct child of the chrome document, and
|
|
* there may be other branches of the same doctree that are fullscreen.
|
|
*
|
|
* If aRunAsync is true, fullscreen is executed asynchronously.
|
|
*
|
|
* Note if aDocument is not fullscreen this function has no effect, even if
|
|
* aDocument has fullscreen ancestors.
|
|
*/
|
|
static void ExitFullscreen(nsIDocument* aDocument, bool aRunAsync);
|
|
|
|
virtual void RequestPointerLock(Element* aElement) = 0;
|
|
|
|
static void UnlockPointer(nsIDocument* aDoc = nullptr);
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
// Document notification API's
|
|
|
|
/**
|
|
* Add a new observer of document change notifications. Whenever
|
|
* content is changed, appended, inserted or removed the observers are
|
|
* informed. An observer that is already observing the document must
|
|
* not be added without being removed first.
|
|
*/
|
|
virtual void AddObserver(nsIDocumentObserver* aObserver) = 0;
|
|
|
|
/**
|
|
* Remove an observer of document change notifications. This will
|
|
* return false if the observer cannot be found.
|
|
*/
|
|
virtual bool RemoveObserver(nsIDocumentObserver* aObserver) = 0;
|
|
|
|
// Observation hooks used to propagate notifications to document observers.
|
|
// BeginUpdate must be called before any batch of modifications of the
|
|
// content model or of style data, EndUpdate must be called afterward.
|
|
// To make this easy and painless, use the mozAutoDocUpdate helper class.
|
|
virtual void BeginUpdate(nsUpdateType aUpdateType) = 0;
|
|
virtual void EndUpdate(nsUpdateType aUpdateType) = 0;
|
|
virtual void BeginLoad() = 0;
|
|
virtual void EndLoad() = 0;
|
|
|
|
enum ReadyState { READYSTATE_UNINITIALIZED = 0, READYSTATE_LOADING = 1, READYSTATE_INTERACTIVE = 3, READYSTATE_COMPLETE = 4};
|
|
virtual void SetReadyStateInternal(ReadyState rs) = 0;
|
|
ReadyState GetReadyStateEnum()
|
|
{
|
|
return mReadyState;
|
|
}
|
|
|
|
// notify that a content node changed state. This must happen under
|
|
// a scriptblocker but NOT within a begin/end update.
|
|
virtual void ContentStateChanged(nsIContent* aContent,
|
|
mozilla::EventStates aStateMask) = 0;
|
|
|
|
// Notify that a document state has changed.
|
|
// This should only be called by callers whose state is also reflected in the
|
|
// implementation of nsDocument::GetDocumentState.
|
|
virtual void DocumentStatesChanged(mozilla::EventStates aStateMask) = 0;
|
|
|
|
// Observation hooks for style data to propagate notifications
|
|
// to document observers
|
|
virtual void StyleRuleChanged(nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aOldStyleRule,
|
|
nsIStyleRule* aNewStyleRule) = 0;
|
|
virtual void StyleRuleAdded(nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule) = 0;
|
|
virtual void StyleRuleRemoved(nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule) = 0;
|
|
|
|
/**
|
|
* Flush notifications for this document and its parent documents
|
|
* (since those may affect the layout of this one).
|
|
*/
|
|
virtual void FlushPendingNotifications(mozFlushType aType) = 0;
|
|
|
|
/**
|
|
* Calls FlushPendingNotifications on any external resources this document
|
|
* has. If this document has no external resources or is an external resource
|
|
* itself this does nothing. This should only be called with
|
|
* aType >= Flush_Style.
|
|
*/
|
|
virtual void FlushExternalResources(mozFlushType aType) = 0;
|
|
|
|
nsBindingManager* BindingManager() const
|
|
{
|
|
return mNodeInfoManager->GetBindingManager();
|
|
}
|
|
|
|
/**
|
|
* Only to be used inside Gecko, you can't really do anything with the
|
|
* pointer outside Gecko anyway.
|
|
*/
|
|
nsNodeInfoManager* NodeInfoManager() const
|
|
{
|
|
return mNodeInfoManager;
|
|
}
|
|
|
|
/**
|
|
* Reset the document using the given channel and loadgroup. This works
|
|
* like ResetToURI, but also sets the document's channel to aChannel.
|
|
* The principal of the document will be set from the channel.
|
|
*/
|
|
virtual void Reset(nsIChannel* aChannel, nsILoadGroup* aLoadGroup) = 0;
|
|
|
|
/**
|
|
* Reset this document to aURI, aLoadGroup, and aPrincipal. aURI must not be
|
|
* null. If aPrincipal is null, a codebase principal based on aURI will be
|
|
* used.
|
|
*/
|
|
virtual void ResetToURI(nsIURI *aURI, nsILoadGroup* aLoadGroup,
|
|
nsIPrincipal* aPrincipal) = 0;
|
|
|
|
/**
|
|
* Set the container (docshell) for this document. Virtual so that
|
|
* docshell can call it.
|
|
*/
|
|
virtual void SetContainer(nsDocShell* aContainer);
|
|
|
|
/**
|
|
* Get the container (docshell) for this document.
|
|
*/
|
|
virtual nsISupports* GetContainer() const;
|
|
|
|
/**
|
|
* Get the container's load context for this document.
|
|
*/
|
|
nsILoadContext* GetLoadContext() const;
|
|
|
|
/**
|
|
* Get docshell the for this document.
|
|
*/
|
|
nsIDocShell* GetDocShell() const;
|
|
|
|
/**
|
|
* Set and get XML declaration. If aVersion is null there is no declaration.
|
|
* aStandalone takes values -1, 0 and 1 indicating respectively that there
|
|
* was no standalone parameter in the declaration, that it was given as no,
|
|
* or that it was given as yes.
|
|
*/
|
|
virtual void SetXMLDeclaration(const char16_t *aVersion,
|
|
const char16_t *aEncoding,
|
|
const int32_t aStandalone) = 0;
|
|
virtual void GetXMLDeclaration(nsAString& aVersion,
|
|
nsAString& aEncoding,
|
|
nsAString& Standalone) = 0;
|
|
|
|
/**
|
|
* Returns true if this is what HTML 5 calls an "HTML document" (for example
|
|
* regular HTML document with Content-Type "text/html", image documents and
|
|
* media documents). Returns false for XHTML and any other documents parsed
|
|
* by the XML parser.
|
|
*/
|
|
bool IsHTML() const
|
|
{
|
|
return mType == eHTML;
|
|
}
|
|
bool IsHTMLOrXHTML() const
|
|
{
|
|
return mType == eHTML || mType == eXHTML;
|
|
}
|
|
bool IsXML() const
|
|
{
|
|
return !IsHTML();
|
|
}
|
|
bool IsSVG() const
|
|
{
|
|
return mType == eSVG;
|
|
}
|
|
bool IsXUL() const
|
|
{
|
|
return mType == eXUL;
|
|
}
|
|
bool IsUnstyledDocument()
|
|
{
|
|
return IsLoadedAsData() || IsLoadedAsInteractiveData();
|
|
}
|
|
bool LoadsFullXULStyleSheetUpFront()
|
|
{
|
|
return IsXUL() || AllowXULXBL();
|
|
}
|
|
|
|
virtual bool IsScriptEnabled() = 0;
|
|
|
|
/**
|
|
* Create an element with the specified name, prefix and namespace ID.
|
|
*/
|
|
virtual nsresult CreateElem(const nsAString& aName, nsIAtom *aPrefix,
|
|
int32_t aNamespaceID,
|
|
nsIContent** aResult) = 0;
|
|
|
|
/**
|
|
* Get the security info (i.e. SSL state etc) that the document got
|
|
* from the channel/document that created the content of the
|
|
* document.
|
|
*
|
|
* @see nsIChannel
|
|
*/
|
|
nsISupports *GetSecurityInfo()
|
|
{
|
|
return mSecurityInfo;
|
|
}
|
|
|
|
/**
|
|
* Get the channel that failed to load and resulted in an error page, if it
|
|
* exists. This is only relevant to error pages.
|
|
*/
|
|
virtual nsIChannel* GetFailedChannel() const = 0;
|
|
|
|
/**
|
|
* Set the channel that failed to load and resulted in an error page.
|
|
* This is only relevant to error pages.
|
|
*/
|
|
virtual void SetFailedChannel(nsIChannel* aChannel) = 0;
|
|
|
|
/**
|
|
* Returns the default namespace ID used for elements created in this
|
|
* document.
|
|
*/
|
|
int32_t GetDefaultNamespaceID() const
|
|
{
|
|
return mDefaultElementType;
|
|
}
|
|
|
|
void DeleteAllProperties();
|
|
void DeleteAllPropertiesFor(nsINode* aNode);
|
|
|
|
nsPropertyTable* PropertyTable(uint16_t aCategory) {
|
|
if (aCategory == 0)
|
|
return &mPropertyTable;
|
|
return GetExtraPropertyTable(aCategory);
|
|
}
|
|
uint32_t GetPropertyTableCount()
|
|
{ return mExtraPropertyTables.Length() + 1; }
|
|
|
|
/**
|
|
* Sets the ID used to identify this part of the multipart document
|
|
*/
|
|
void SetPartID(uint32_t aID) {
|
|
mPartID = aID;
|
|
}
|
|
|
|
/**
|
|
* Return the ID used to identify this part of the multipart document
|
|
*/
|
|
uint32_t GetPartID() const {
|
|
return mPartID;
|
|
}
|
|
|
|
/**
|
|
* Sanitize the document by resetting all input elements and forms that have
|
|
* autocomplete=off to their default values.
|
|
*/
|
|
virtual void Sanitize() = 0;
|
|
|
|
/**
|
|
* Enumerate all subdocuments.
|
|
* The enumerator callback should return true to continue enumerating, or
|
|
* false to stop. This will never get passed a null aDocument.
|
|
*/
|
|
typedef bool (*nsSubDocEnumFunc)(nsIDocument *aDocument, void *aData);
|
|
virtual void EnumerateSubDocuments(nsSubDocEnumFunc aCallback,
|
|
void *aData) = 0;
|
|
|
|
/**
|
|
* Check whether it is safe to cache the presentation of this document
|
|
* and all of its subdocuments. This method checks the following conditions
|
|
* recursively:
|
|
* - Some document types, such as plugin documents, cannot be safely cached.
|
|
* - If there are any pending requests, we don't allow the presentation
|
|
* to be cached. Ideally these requests would be suspended and resumed,
|
|
* but that is difficult in some cases, such as XMLHttpRequest.
|
|
* - If there are any beforeunload or unload listeners, we must fire them
|
|
* for correctness, but this likely puts the document into a state where
|
|
* it would not function correctly if restored.
|
|
*
|
|
* |aNewRequest| should be the request for a new document which will
|
|
* replace this document in the docshell. The new document's request
|
|
* will be ignored when checking for active requests. If there is no
|
|
* request associated with the new document, this parameter may be null.
|
|
*/
|
|
virtual bool CanSavePresentation(nsIRequest *aNewRequest) = 0;
|
|
|
|
/**
|
|
* Notify the document that its associated ContentViewer is being destroyed.
|
|
* This releases circular references so that the document can go away.
|
|
* Destroy() is only called on documents that have a content viewer.
|
|
*/
|
|
virtual void Destroy() = 0;
|
|
|
|
/**
|
|
* Notify the document that its associated ContentViewer is no longer
|
|
* the current viewer for the docshell. The document might still
|
|
* be rendered in "zombie state" until the next document is ready.
|
|
* The document should save form control state.
|
|
*/
|
|
virtual void RemovedFromDocShell() = 0;
|
|
|
|
/**
|
|
* Get the layout history state that should be used to save and restore state
|
|
* for nodes in this document. This may return null; if that happens state
|
|
* saving and restoration is not possible.
|
|
*/
|
|
virtual already_AddRefed<nsILayoutHistoryState> GetLayoutHistoryState() const = 0;
|
|
|
|
/**
|
|
* Methods that can be used to prevent onload firing while an event that
|
|
* should block onload is posted. onload is guaranteed to not fire until
|
|
* either all calls to BlockOnload() have been matched by calls to
|
|
* UnblockOnload() or the load has been stopped altogether (by the user
|
|
* pressing the Stop button, say).
|
|
*/
|
|
virtual void BlockOnload() = 0;
|
|
/**
|
|
* @param aFireSync whether to fire onload synchronously. If false,
|
|
* onload will fire asynchronously after all onload blocks have been
|
|
* removed. It will NOT fire from inside UnblockOnload. If true,
|
|
* onload may fire from inside UnblockOnload.
|
|
*/
|
|
virtual void UnblockOnload(bool aFireSync) = 0;
|
|
|
|
void BlockDOMContentLoaded()
|
|
{
|
|
++mBlockDOMContentLoaded;
|
|
}
|
|
|
|
virtual void UnblockDOMContentLoaded() = 0;
|
|
|
|
/**
|
|
* Notification that the page has been shown, for documents which are loaded
|
|
* into a DOM window. This corresponds to the completion of document load,
|
|
* or to the page's presentation being restored into an existing DOM window.
|
|
* This notification fires applicable DOM events to the content window. See
|
|
* PageTransitionEvent.webidl for a description of the |aPersisted|
|
|
* parameter. If aDispatchStartTarget is null, the pageshow event is
|
|
* dispatched on the ScriptGlobalObject for this document, otherwise it's
|
|
* dispatched on aDispatchStartTarget.
|
|
* Note: if aDispatchStartTarget isn't null, the showing state of the
|
|
* document won't be altered.
|
|
*/
|
|
virtual void OnPageShow(bool aPersisted,
|
|
mozilla::dom::EventTarget* aDispatchStartTarget) = 0;
|
|
|
|
/**
|
|
* Notification that the page has been hidden, for documents which are loaded
|
|
* into a DOM window. This corresponds to the unloading of the document, or
|
|
* to the document's presentation being saved but removed from an existing
|
|
* DOM window. This notification fires applicable DOM events to the content
|
|
* window. See PageTransitionEvent.webidl for a description of the
|
|
* |aPersisted| parameter. If aDispatchStartTarget is null, the pagehide
|
|
* event is dispatched on the ScriptGlobalObject for this document,
|
|
* otherwise it's dispatched on aDispatchStartTarget.
|
|
* Note: if aDispatchStartTarget isn't null, the showing state of the
|
|
* document won't be altered.
|
|
*/
|
|
virtual void OnPageHide(bool aPersisted,
|
|
mozilla::dom::EventTarget* aDispatchStartTarget) = 0;
|
|
|
|
/*
|
|
* We record the set of links in the document that are relevant to
|
|
* style.
|
|
*/
|
|
/**
|
|
* Notification that an element is a link that is relevant to style.
|
|
*/
|
|
virtual void AddStyleRelevantLink(mozilla::dom::Link* aLink) = 0;
|
|
/**
|
|
* Notification that an element is a link and its URI might have been
|
|
* changed or the element removed. If the element is still a link relevant
|
|
* to style, then someone must ensure that AddStyleRelevantLink is
|
|
* (eventually) called on it again.
|
|
*/
|
|
virtual void ForgetLink(mozilla::dom::Link* aLink) = 0;
|
|
|
|
/**
|
|
* Resets and removes a box object from the document's box object cache
|
|
*
|
|
* @param aElement canonical nsIContent pointer of the box object's element
|
|
*/
|
|
virtual void ClearBoxObjectFor(nsIContent *aContent) = 0;
|
|
|
|
/**
|
|
* Get the box object for an element. This is not exposed through a
|
|
* scriptable interface except for XUL documents.
|
|
*/
|
|
virtual already_AddRefed<mozilla::dom::BoxObject>
|
|
GetBoxObjectFor(mozilla::dom::Element* aElement,
|
|
mozilla::ErrorResult& aRv) = 0;
|
|
|
|
/**
|
|
* Support for window.matchMedia()
|
|
*/
|
|
|
|
already_AddRefed<mozilla::dom::MediaQueryList>
|
|
MatchMedia(const nsAString& aMediaQueryList);
|
|
|
|
const PRCList* MediaQueryLists() const {
|
|
return &mDOMMediaQueryLists;
|
|
}
|
|
|
|
/**
|
|
* Get the compatibility mode for this document
|
|
*/
|
|
nsCompatibility GetCompatibilityMode() const {
|
|
return mCompatMode;
|
|
}
|
|
|
|
/**
|
|
* Check whether we've ever fired a DOMTitleChanged event for this
|
|
* document.
|
|
*/
|
|
bool HaveFiredDOMTitleChange() const {
|
|
return mHaveFiredTitleChange;
|
|
}
|
|
|
|
/**
|
|
* See GetAnonymousElementByAttribute on nsIDOMDocumentXBL.
|
|
*/
|
|
virtual Element*
|
|
GetAnonymousElementByAttribute(nsIContent* aElement,
|
|
nsIAtom* aAttrName,
|
|
const nsAString& aAttrValue) const = 0;
|
|
|
|
/**
|
|
* Helper for nsIDOMDocument::elementFromPoint implementation that allows
|
|
* ignoring the scroll frame and/or avoiding layout flushes.
|
|
*
|
|
* @see nsIDOMWindowUtils::elementFromPoint
|
|
*/
|
|
virtual Element* ElementFromPointHelper(float aX, float aY,
|
|
bool aIgnoreRootScrollFrame,
|
|
bool aFlushLayout) = 0;
|
|
|
|
virtual nsresult NodesFromRectHelper(float aX, float aY,
|
|
float aTopSize, float aRightSize,
|
|
float aBottomSize, float aLeftSize,
|
|
bool aIgnoreRootScrollFrame,
|
|
bool aFlushLayout,
|
|
nsIDOMNodeList** aReturn) = 0;
|
|
|
|
/**
|
|
* See FlushSkinBindings on nsBindingManager
|
|
*/
|
|
virtual void FlushSkinBindings() = 0;
|
|
|
|
/**
|
|
* To batch DOMSubtreeModified, document needs to be informed when
|
|
* a mutation event might be dispatched, even if the event isn't actually
|
|
* created because there are no listeners for it.
|
|
*
|
|
* @param aTarget is the target for the mutation event.
|
|
*/
|
|
void MayDispatchMutationEvent(nsINode* aTarget)
|
|
{
|
|
if (mSubtreeModifiedDepth > 0) {
|
|
mSubtreeModifiedTargets.AppendObject(aTarget);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Marks as not-going-to-be-collected for the given generation of
|
|
* cycle collection.
|
|
*/
|
|
void MarkUncollectableForCCGeneration(uint32_t aGeneration)
|
|
{
|
|
mMarkedCCGeneration = aGeneration;
|
|
}
|
|
|
|
/**
|
|
* Gets the cycle collector generation this document is marked for.
|
|
*/
|
|
uint32_t GetMarkedCCGeneration()
|
|
{
|
|
return mMarkedCCGeneration;
|
|
}
|
|
|
|
bool IsLoadedAsData()
|
|
{
|
|
return mLoadedAsData;
|
|
}
|
|
|
|
bool IsLoadedAsInteractiveData()
|
|
{
|
|
return mLoadedAsInteractiveData;
|
|
}
|
|
|
|
bool MayStartLayout()
|
|
{
|
|
return mMayStartLayout;
|
|
}
|
|
|
|
void SetMayStartLayout(bool aMayStartLayout)
|
|
{
|
|
mMayStartLayout = aMayStartLayout;
|
|
}
|
|
|
|
already_AddRefed<nsIDocumentEncoder> GetCachedEncoder();
|
|
|
|
void SetCachedEncoder(already_AddRefed<nsIDocumentEncoder> aEncoder);
|
|
|
|
// In case of failure, the document really can't initialize the frame loader.
|
|
virtual nsresult InitializeFrameLoader(nsFrameLoader* aLoader) = 0;
|
|
// In case of failure, the caller must handle the error, for example by
|
|
// finalizing frame loader asynchronously.
|
|
virtual nsresult FinalizeFrameLoader(nsFrameLoader* aLoader) = 0;
|
|
// Removes the frame loader of aShell from the initialization list.
|
|
virtual void TryCancelFrameLoaderInitialization(nsIDocShell* aShell) = 0;
|
|
// Returns true if the frame loader of aShell is in the finalization list.
|
|
virtual bool FrameLoaderScheduledToBeFinalized(nsIDocShell* aShell) = 0;
|
|
|
|
/**
|
|
* Check whether this document is a root document that is not an
|
|
* external resource.
|
|
*/
|
|
bool IsRootDisplayDocument() const
|
|
{
|
|
return !mParentDocument && !mDisplayDocument;
|
|
}
|
|
|
|
bool IsBeingUsedAsImage() const {
|
|
return mIsBeingUsedAsImage;
|
|
}
|
|
|
|
void SetIsBeingUsedAsImage() {
|
|
mIsBeingUsedAsImage = true;
|
|
}
|
|
|
|
bool IsResourceDoc() const {
|
|
return IsBeingUsedAsImage() || // Are we a helper-doc for an SVG image?
|
|
!!mDisplayDocument; // Are we an external resource doc?
|
|
}
|
|
|
|
/**
|
|
* Get the document for which this document is an external resource. This
|
|
* will be null if this document is not an external resource. Otherwise,
|
|
* GetDisplayDocument() will return a non-null document, and
|
|
* GetDisplayDocument()->GetDisplayDocument() is guaranteed to be null.
|
|
*/
|
|
nsIDocument* GetDisplayDocument() const
|
|
{
|
|
return mDisplayDocument;
|
|
}
|
|
|
|
/**
|
|
* Set the display document for this document. aDisplayDocument must not be
|
|
* null.
|
|
*/
|
|
void SetDisplayDocument(nsIDocument* aDisplayDocument)
|
|
{
|
|
NS_PRECONDITION(!GetShell() &&
|
|
!GetContainer() &&
|
|
!GetWindow(),
|
|
"Shouldn't set mDisplayDocument on documents that already "
|
|
"have a presentation or a docshell or a window");
|
|
NS_PRECONDITION(aDisplayDocument != this, "Should be different document");
|
|
NS_PRECONDITION(!aDisplayDocument->GetDisplayDocument(),
|
|
"Display documents should not nest");
|
|
mDisplayDocument = aDisplayDocument;
|
|
}
|
|
|
|
/**
|
|
* A class that represents an external resource load that has begun but
|
|
* doesn't have a document yet. Observers can be registered on this object,
|
|
* and will be notified after the document is created. Observers registered
|
|
* after the document has been created will NOT be notified. When observers
|
|
* are notified, the subject will be the newly-created document, the topic
|
|
* will be "external-resource-document-created", and the data will be null.
|
|
* If document creation fails for some reason, observers will still be
|
|
* notified, with a null document pointer.
|
|
*/
|
|
class ExternalResourceLoad : public nsISupports
|
|
{
|
|
public:
|
|
virtual ~ExternalResourceLoad() {}
|
|
|
|
void AddObserver(nsIObserver* aObserver) {
|
|
NS_PRECONDITION(aObserver, "Must have observer");
|
|
mObservers.AppendElement(aObserver);
|
|
}
|
|
|
|
const nsTArray< nsCOMPtr<nsIObserver> > & Observers() {
|
|
return mObservers;
|
|
}
|
|
protected:
|
|
nsAutoTArray< nsCOMPtr<nsIObserver>, 8 > mObservers;
|
|
};
|
|
|
|
/**
|
|
* Request an external resource document for aURI. This will return the
|
|
* resource document if available. If one is not available yet, it will
|
|
* start loading as needed, and the pending load object will be returned in
|
|
* aPendingLoad so that the caller can register an observer to wait for the
|
|
* load. If this function returns null and doesn't return a pending load,
|
|
* that means that there is no resource document for this URI and won't be
|
|
* one in the future.
|
|
*
|
|
* @param aURI the URI to get
|
|
* @param aRequestingNode the node making the request
|
|
* @param aPendingLoad the pending load for this request, if any
|
|
*/
|
|
virtual nsIDocument*
|
|
RequestExternalResource(nsIURI* aURI,
|
|
nsINode* aRequestingNode,
|
|
ExternalResourceLoad** aPendingLoad) = 0;
|
|
|
|
/**
|
|
* Enumerate the external resource documents associated with this document.
|
|
* The enumerator callback should return true to continue enumerating, or
|
|
* false to stop. This callback will never get passed a null aDocument.
|
|
*/
|
|
virtual void EnumerateExternalResources(nsSubDocEnumFunc aCallback,
|
|
void* aData) = 0;
|
|
|
|
/**
|
|
* Return whether the document is currently showing (in the sense of
|
|
* OnPageShow() having been called already and OnPageHide() not having been
|
|
* called yet.
|
|
*/
|
|
bool IsShowing() const { return mIsShowing; }
|
|
/**
|
|
* Return whether the document is currently visible (in the sense of
|
|
* OnPageHide having been called and OnPageShow not yet having been called)
|
|
*/
|
|
bool IsVisible() const { return mVisible; }
|
|
|
|
/**
|
|
* Return whether the document and all its ancestors are visible in the sense of
|
|
* pageshow / hide.
|
|
*/
|
|
bool IsVisibleConsideringAncestors() const;
|
|
|
|
/**
|
|
* Return true when this document is active, i.e., an active document
|
|
* in a content viewer. Note that this will return true for bfcached
|
|
* documents, so this does NOT match the "active document" concept in
|
|
* the WHATWG spec - see IsCurrentActiveDocument.
|
|
*/
|
|
bool IsActive() const { return mDocumentContainer && !mRemovedFromDocShell; }
|
|
|
|
/**
|
|
* Return true if this is the current active document for its
|
|
* docshell. Note that a docshell may have multiple active documents
|
|
* due to the bfcache -- this should be used when you need to
|
|
* differentiate the *current* active document from any active
|
|
* documents.
|
|
*/
|
|
bool IsCurrentActiveDocument() const
|
|
{
|
|
nsPIDOMWindow *inner = GetInnerWindow();
|
|
return inner && inner->IsCurrentInnerWindow() && inner->GetDoc() == this;
|
|
}
|
|
|
|
/**
|
|
* Register/Unregister the ActivityObserver into mActivityObservers to listen
|
|
* the document's activity changes such as OnPageHide, visibility, activity.
|
|
* The ActivityObserver objects can be nsIObjectLoadingContent or
|
|
* nsIDocumentActivity or HTMLMEdiaElement.
|
|
*/
|
|
void RegisterActivityObserver(nsISupports* aSupports);
|
|
bool UnregisterActivityObserver(nsISupports* aSupports);
|
|
// Enumerate all the observers in mActivityObservers by the aEnumerator.
|
|
typedef void (* ActivityObserverEnumerator)(nsISupports*, void*);
|
|
void EnumerateActivityObservers(ActivityObserverEnumerator aEnumerator,
|
|
void* aData);
|
|
|
|
// Indicates whether mAnimationController has been (lazily) initialized.
|
|
// If this returns true, we're promising that GetAnimationController()
|
|
// will have a non-null return value.
|
|
bool HasAnimationController() { return !!mAnimationController; }
|
|
|
|
// Getter for this document's SMIL Animation Controller. Performs lazy
|
|
// initialization, if this document supports animation and if
|
|
// mAnimationController isn't yet initialized.
|
|
virtual nsSMILAnimationController* GetAnimationController() = 0;
|
|
|
|
// Gets the tracker for animation players that are waiting to start.
|
|
// Returns nullptr if there is no pending player tracker for this document
|
|
// which will be the case if there have never been any CSS animations or
|
|
// transitions on elements in the document.
|
|
virtual mozilla::PendingPlayerTracker* GetPendingPlayerTracker() = 0;
|
|
|
|
// Gets the tracker for animation players that are waiting to start and
|
|
// creates it if it doesn't already exist. As a result, the return value
|
|
// will never be nullptr.
|
|
virtual mozilla::PendingPlayerTracker* GetOrCreatePendingPlayerTracker() = 0;
|
|
|
|
// Makes the images on this document capable of having their animation
|
|
// active or suspended. An Image will animate as long as at least one of its
|
|
// owning Documents needs it to animate; otherwise it can suspend.
|
|
virtual void SetImagesNeedAnimating(bool aAnimating) = 0;
|
|
|
|
enum SuppressionType {
|
|
eAnimationsOnly = 0x1,
|
|
|
|
// Note that suppressing events also suppresses animation frames, so
|
|
// there's no need to split out events in its own bitmask.
|
|
eEvents = 0x3,
|
|
};
|
|
|
|
/**
|
|
* Prevents user initiated events from being dispatched to the document and
|
|
* subdocuments.
|
|
*/
|
|
virtual void SuppressEventHandling(SuppressionType aWhat,
|
|
uint32_t aIncrease = 1) = 0;
|
|
|
|
/**
|
|
* Unsuppress event handling.
|
|
* @param aFireEvents If true, delayed events (focus/blur) will be fired
|
|
* asynchronously.
|
|
*/
|
|
virtual void UnsuppressEventHandlingAndFireEvents(SuppressionType aWhat,
|
|
bool aFireEvents) = 0;
|
|
|
|
uint32_t EventHandlingSuppressed() const { return mEventsSuppressed; }
|
|
uint32_t AnimationsPaused() const { return mAnimationsPaused; }
|
|
|
|
bool IsEventHandlingEnabled() {
|
|
return !EventHandlingSuppressed() && mScriptGlobalObject;
|
|
}
|
|
|
|
/**
|
|
* Increment the number of external scripts being evaluated.
|
|
*/
|
|
void BeginEvaluatingExternalScript() { ++mExternalScriptsBeingEvaluated; }
|
|
|
|
/**
|
|
* Decrement the number of external scripts being evaluated.
|
|
*/
|
|
void EndEvaluatingExternalScript() { --mExternalScriptsBeingEvaluated; }
|
|
|
|
bool IsDNSPrefetchAllowed() const { return mAllowDNSPrefetch; }
|
|
|
|
/**
|
|
* Returns true if this document is allowed to contain XUL element and
|
|
* use non-builtin XBL bindings.
|
|
*/
|
|
bool AllowXULXBL() {
|
|
return mAllowXULXBL == eTriTrue ? true :
|
|
mAllowXULXBL == eTriFalse ? false :
|
|
InternalAllowXULXBL();
|
|
}
|
|
|
|
void ForceEnableXULXBL() {
|
|
mAllowXULXBL = eTriTrue;
|
|
}
|
|
|
|
/**
|
|
* Returns the template content owner document that owns the content of
|
|
* HTMLTemplateElement.
|
|
*/
|
|
virtual nsIDocument* GetTemplateContentsOwner() = 0;
|
|
|
|
/**
|
|
* true when this document is a static clone of a normal document.
|
|
* For example print preview and printing use static documents.
|
|
*/
|
|
bool IsStaticDocument() { return mIsStaticDocument; }
|
|
|
|
/**
|
|
* Clones the document and subdocuments and stylesheet etc.
|
|
* @param aCloneContainer The container for the clone document.
|
|
*/
|
|
virtual already_AddRefed<nsIDocument>
|
|
CreateStaticClone(nsIDocShell* aCloneContainer);
|
|
|
|
/**
|
|
* If this document is a static clone, this returns the original
|
|
* document.
|
|
*/
|
|
nsIDocument* GetOriginalDocument()
|
|
{
|
|
MOZ_ASSERT(!mOriginalDocument || !mOriginalDocument->GetOriginalDocument());
|
|
return mOriginalDocument;
|
|
}
|
|
|
|
/**
|
|
* Called by nsParser to preload images. Can be removed and code moved
|
|
* to nsPreloadURIs::PreloadURIs() in file nsParser.cpp whenever the
|
|
* parser-module is linked with gklayout-module. aCrossOriginAttr should
|
|
* be a void string if the attr is not present.
|
|
*/
|
|
virtual void MaybePreLoadImage(nsIURI* uri,
|
|
const nsAString& aCrossOriginAttr,
|
|
ReferrerPolicy aReferrerPolicy) = 0;
|
|
|
|
/**
|
|
* Called by images to forget an image preload when they start doing
|
|
* the real load.
|
|
*/
|
|
virtual void ForgetImagePreload(nsIURI* aURI) = 0;
|
|
|
|
/**
|
|
* Called by nsParser to preload style sheets. Can also be merged into the
|
|
* parser if and when the parser is merged with libgklayout. aCrossOriginAttr
|
|
* should be a void string if the attr is not present.
|
|
*/
|
|
virtual void PreloadStyle(nsIURI* aURI, const nsAString& aCharset,
|
|
const nsAString& aCrossOriginAttr,
|
|
ReferrerPolicy aReferrerPolicy) = 0;
|
|
|
|
/**
|
|
* Called by the chrome registry to load style sheets. Can be put
|
|
* back there if and when when that module is merged with libgklayout.
|
|
*
|
|
* This always does a synchronous load. If aIsAgentSheet is true,
|
|
* it also uses the system principal and enables unsafe rules.
|
|
* DO NOT USE FOR UNTRUSTED CONTENT.
|
|
*/
|
|
virtual nsresult LoadChromeSheetSync(nsIURI* aURI, bool aIsAgentSheet,
|
|
mozilla::CSSStyleSheet** aSheet) = 0;
|
|
|
|
/**
|
|
* Returns true if the locale used for the document specifies a direction of
|
|
* right to left. For chrome documents, this comes from the chrome registry.
|
|
* This is used to determine the current state for the :-moz-locale-dir pseudoclass
|
|
* so once can know whether a document is expected to be rendered left-to-right
|
|
* or right-to-left.
|
|
*/
|
|
virtual bool IsDocumentRightToLeft() { return false; }
|
|
|
|
enum DocumentTheme {
|
|
Doc_Theme_Uninitialized, // not determined yet
|
|
Doc_Theme_None,
|
|
Doc_Theme_Neutral,
|
|
Doc_Theme_Dark,
|
|
Doc_Theme_Bright
|
|
};
|
|
|
|
/**
|
|
* Set the document's pending state object (as serialized using structured
|
|
* clone).
|
|
*/
|
|
void SetStateObject(nsIStructuredCloneContainer *scContainer);
|
|
|
|
/**
|
|
* Returns Doc_Theme_None if there is no lightweight theme specified,
|
|
* Doc_Theme_Dark for a dark theme, Doc_Theme_Bright for a light theme, and
|
|
* Doc_Theme_Neutral for any other theme. This is used to determine the state
|
|
* of the pseudoclasses :-moz-lwtheme and :-moz-lwtheme-text.
|
|
*/
|
|
virtual int GetDocumentLWTheme() { return Doc_Theme_None; }
|
|
|
|
/**
|
|
* Returns the document state.
|
|
* Document state bits have the form NS_DOCUMENT_STATE_* and are declared in
|
|
* nsIDocument.h.
|
|
*/
|
|
virtual mozilla::EventStates GetDocumentState() = 0;
|
|
|
|
virtual nsISupports* GetCurrentContentSink() = 0;
|
|
|
|
/**
|
|
* Register/Unregister a hostobject uri as being "owned" by this document.
|
|
* I.e. that its lifetime is connected with this document. When the document
|
|
* goes away it should "kill" the uri by calling
|
|
* nsHostObjectProtocolHandler::RemoveDataEntry
|
|
*/
|
|
virtual void RegisterHostObjectUri(const nsACString& aUri) = 0;
|
|
virtual void UnregisterHostObjectUri(const nsACString& aUri) = 0;
|
|
|
|
virtual void SetScrollToRef(nsIURI *aDocumentURI) = 0;
|
|
virtual void ScrollToRef() = 0;
|
|
virtual void ResetScrolledToRefAlready() = 0;
|
|
virtual void SetChangeScrollPosWhenScrollingToRef(bool aValue) = 0;
|
|
|
|
/**
|
|
* This method is similar to GetElementById() from nsIDOMDocument but it
|
|
* returns a mozilla::dom::Element instead of a nsIDOMElement.
|
|
* It prevents converting nsIDOMElement to mozilla::dom::Element which is
|
|
* already converted from mozilla::dom::Element.
|
|
*/
|
|
virtual Element* GetElementById(const nsAString& aElementId) = 0;
|
|
|
|
/**
|
|
* This method returns _all_ the elements in this document which
|
|
* have id aElementId, if there are any. Otherwise it returns null.
|
|
* The entries of the nsSmallVoidArray are Element*
|
|
*/
|
|
virtual const nsSmallVoidArray* GetAllElementsForId(const nsAString& aElementId) const = 0;
|
|
|
|
/**
|
|
* Lookup an image element using its associated ID, which is usually provided
|
|
* by |-moz-element()|. Similar to GetElementById, with the difference that
|
|
* elements set using mozSetImageElement have higher priority.
|
|
* @param aId the ID associated the element we want to lookup
|
|
* @return the element associated with |aId|
|
|
*/
|
|
virtual Element* LookupImageElement(const nsAString& aElementId) = 0;
|
|
|
|
virtual already_AddRefed<mozilla::dom::UndoManager> GetUndoManager() = 0;
|
|
|
|
virtual mozilla::dom::AnimationTimeline* Timeline() = 0;
|
|
|
|
typedef mozilla::dom::CallbackObjectHolder<
|
|
mozilla::dom::FrameRequestCallback,
|
|
nsIFrameRequestCallback> FrameRequestCallbackHolder;
|
|
nsresult ScheduleFrameRequestCallback(const FrameRequestCallbackHolder& aCallback,
|
|
int32_t *aHandle);
|
|
void CancelFrameRequestCallback(int32_t aHandle);
|
|
|
|
typedef nsTArray<FrameRequestCallbackHolder> FrameRequestCallbackList;
|
|
/**
|
|
* Put this document's frame request callbacks into the provided
|
|
* list, and forget about them.
|
|
*/
|
|
void TakeFrameRequestCallbacks(FrameRequestCallbackList& aCallbacks);
|
|
|
|
// This returns true when the document tree is being teared down.
|
|
bool InUnlinkOrDeletion() { return mInUnlinkOrDeletion; }
|
|
|
|
/*
|
|
* Image Tracking
|
|
*
|
|
* Style and content images register their imgIRequests with their document
|
|
* so that the document can efficiently tell all descendant images when they
|
|
* are and are not visible. When an image is on-screen, we want to call
|
|
* LockImage() on it so that it doesn't do things like discarding frame data
|
|
* to save memory. The PresShell informs the document whether its images
|
|
* should be locked or not via SetImageLockingState().
|
|
*
|
|
* See bug 512260.
|
|
*/
|
|
|
|
// Add/Remove images from the document image tracker
|
|
virtual nsresult AddImage(imgIRequest* aImage) = 0;
|
|
// If the REQUEST_DISCARD flag is passed then if the lock count is zero we
|
|
// will request the image be discarded now (instead of waiting).
|
|
enum { REQUEST_DISCARD = 0x1 };
|
|
virtual nsresult RemoveImage(imgIRequest* aImage, uint32_t aFlags = 0) = 0;
|
|
|
|
// Makes the images on this document locked/unlocked. By default, the locking
|
|
// state is unlocked/false.
|
|
virtual nsresult SetImageLockingState(bool aLocked) = 0;
|
|
|
|
virtual nsresult AddPlugin(nsIObjectLoadingContent* aPlugin) = 0;
|
|
virtual void RemovePlugin(nsIObjectLoadingContent* aPlugin) = 0;
|
|
virtual void GetPlugins(nsTArray<nsIObjectLoadingContent*>& aPlugins) = 0;
|
|
|
|
virtual nsresult GetStateObject(nsIVariant** aResult) = 0;
|
|
|
|
virtual nsDOMNavigationTiming* GetNavigationTiming() const = 0;
|
|
|
|
virtual nsresult SetNavigationTiming(nsDOMNavigationTiming* aTiming) = 0;
|
|
|
|
virtual Element* FindImageMap(const nsAString& aNormalizedMapName) = 0;
|
|
|
|
// Add aLink to the set of links that need their status resolved.
|
|
void RegisterPendingLinkUpdate(mozilla::dom::Link* aLink);
|
|
|
|
// Remove aLink from the set of links that need their status resolved.
|
|
// This function must be called when links are removed from the document.
|
|
void UnregisterPendingLinkUpdate(mozilla::dom::Link* aElement);
|
|
|
|
// Update state on links in mLinksToUpdate. This function must
|
|
// be called prior to selector matching.
|
|
void FlushPendingLinkUpdates();
|
|
|
|
#define DEPRECATED_OPERATION(_op) e##_op,
|
|
enum DeprecatedOperations {
|
|
#include "nsDeprecatedOperationList.h"
|
|
eDeprecatedOperationCount
|
|
};
|
|
#undef DEPRECATED_OPERATION
|
|
bool HasWarnedAbout(DeprecatedOperations aOperation);
|
|
void WarnOnceAbout(DeprecatedOperations aOperation, bool asError = false);
|
|
|
|
#define DOCUMENT_WARNING(_op) e##_op,
|
|
enum DocumentWarnings {
|
|
#include "nsDocumentWarningList.h"
|
|
eDocumentWarningCount
|
|
};
|
|
#undef DOCUMENT_WARNING
|
|
bool HasWarnedAbout(DocumentWarnings aWarning);
|
|
void WarnOnceAbout(DocumentWarnings aWarning,
|
|
bool asError = false,
|
|
const char16_t **aParams = nullptr,
|
|
uint32_t aParamsLength = 0);
|
|
|
|
virtual void PostVisibilityUpdateEvent() = 0;
|
|
|
|
bool IsSyntheticDocument() const { return mIsSyntheticDocument; }
|
|
|
|
void SetNeedLayoutFlush() {
|
|
mNeedLayoutFlush = true;
|
|
if (mDisplayDocument) {
|
|
mDisplayDocument->SetNeedLayoutFlush();
|
|
}
|
|
}
|
|
|
|
void SetNeedStyleFlush() {
|
|
mNeedStyleFlush = true;
|
|
if (mDisplayDocument) {
|
|
mDisplayDocument->SetNeedStyleFlush();
|
|
}
|
|
}
|
|
|
|
// Note: nsIDocument is a sub-class of nsINode, which has a
|
|
// SizeOfExcludingThis function. However, because nsIDocument objects can
|
|
// only appear at the top of the DOM tree, we have a specialized measurement
|
|
// function which returns multiple sizes.
|
|
virtual void DocAddSizeOfExcludingThis(nsWindowSizes* aWindowSizes) const;
|
|
// DocAddSizeOfIncludingThis doesn't need to be overridden by sub-classes
|
|
// because nsIDocument inherits from nsINode; see the comment above the
|
|
// declaration of nsINode::SizeOfIncludingThis.
|
|
virtual void DocAddSizeOfIncludingThis(nsWindowSizes* aWindowSizes) const;
|
|
|
|
bool MayHaveDOMMutationObservers()
|
|
{
|
|
return mMayHaveDOMMutationObservers;
|
|
}
|
|
|
|
void SetMayHaveDOMMutationObservers()
|
|
{
|
|
mMayHaveDOMMutationObservers = true;
|
|
}
|
|
|
|
bool IsInSyncOperation()
|
|
{
|
|
return mInSyncOperationCount != 0;
|
|
}
|
|
|
|
void SetIsInSyncOperation(bool aSync)
|
|
{
|
|
if (aSync) {
|
|
++mInSyncOperationCount;
|
|
} else {
|
|
--mInSyncOperationCount;
|
|
}
|
|
}
|
|
|
|
bool CreatingStaticClone() const
|
|
{
|
|
return mCreatingStaticClone;
|
|
}
|
|
|
|
/**
|
|
* Creates a new element in the HTML namespace with a local name given by
|
|
* aTag.
|
|
*/
|
|
already_AddRefed<Element> CreateHTMLElement(nsIAtom* aTag);
|
|
|
|
// WebIDL API
|
|
nsIGlobalObject* GetParentObject() const
|
|
{
|
|
return GetScopeObject();
|
|
}
|
|
static already_AddRefed<nsIDocument>
|
|
Constructor(const GlobalObject& aGlobal,
|
|
mozilla::ErrorResult& rv);
|
|
virtual mozilla::dom::DOMImplementation*
|
|
GetImplementation(mozilla::ErrorResult& rv) = 0;
|
|
void GetURL(nsString& retval) const;
|
|
void GetDocumentURI(nsString& retval) const;
|
|
// Return the URI for the document.
|
|
// The returned value may differ if the document is loaded via XHR, and
|
|
// when accessed from chrome privileged script and
|
|
// from content privileged script for compatibility.
|
|
void GetDocumentURIFromJS(nsString& aDocumentURI) const;
|
|
void GetCompatMode(nsString& retval) const;
|
|
void GetCharacterSet(nsAString& retval) const;
|
|
// Skip GetContentType, because our NS_IMETHOD version above works fine here.
|
|
// GetDoctype defined above
|
|
Element* GetDocumentElement() const
|
|
{
|
|
return GetRootElement();
|
|
}
|
|
|
|
enum ElementCallbackType {
|
|
eCreated,
|
|
eAttached,
|
|
eDetached,
|
|
eAttributeChanged
|
|
};
|
|
|
|
/**
|
|
* Registers an unresolved custom element that is a candidate for
|
|
* upgrade when the definition is registered via registerElement.
|
|
* |aTypeName| is the name of the custom element type, if it is not
|
|
* provided, then element name is used. |aTypeName| should be provided
|
|
* when registering a custom element that extends an existing
|
|
* element. e.g. <button is="x-button">.
|
|
*/
|
|
virtual nsresult RegisterUnresolvedElement(Element* aElement,
|
|
nsIAtom* aTypeName = nullptr) = 0;
|
|
virtual void EnqueueLifecycleCallback(ElementCallbackType aType,
|
|
Element* aCustomElement,
|
|
mozilla::dom::LifecycleCallbackArgs* aArgs = nullptr,
|
|
mozilla::dom::CustomElementDefinition* aDefinition = nullptr) = 0;
|
|
virtual void SetupCustomElement(Element* aElement,
|
|
uint32_t aNamespaceID,
|
|
const nsAString* aTypeExtension = nullptr) = 0;
|
|
virtual void
|
|
RegisterElement(JSContext* aCx, const nsAString& aName,
|
|
const mozilla::dom::ElementRegistrationOptions& aOptions,
|
|
JS::MutableHandle<JSObject*> aRetval,
|
|
mozilla::ErrorResult& rv) = 0;
|
|
|
|
/**
|
|
* In some cases, new document instances must be associated with
|
|
* an existing web components custom element registry as specified.
|
|
*/
|
|
virtual void UseRegistryFromDocument(nsIDocument* aDocument) = 0;
|
|
|
|
already_AddRefed<nsContentList>
|
|
GetElementsByTagName(const nsAString& aTagName)
|
|
{
|
|
return NS_GetContentList(this, kNameSpaceID_Unknown, aTagName);
|
|
}
|
|
already_AddRefed<nsContentList>
|
|
GetElementsByTagNameNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName,
|
|
mozilla::ErrorResult& aResult);
|
|
already_AddRefed<nsContentList>
|
|
GetElementsByClassName(const nsAString& aClasses);
|
|
// GetElementById defined above
|
|
already_AddRefed<Element> CreateElement(const nsAString& aTagName,
|
|
mozilla::ErrorResult& rv);
|
|
already_AddRefed<Element> CreateElementNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aQualifiedName,
|
|
mozilla::ErrorResult& rv);
|
|
virtual already_AddRefed<Element> CreateElement(const nsAString& aTagName,
|
|
const nsAString& aTypeExtension,
|
|
mozilla::ErrorResult& rv) = 0;
|
|
virtual already_AddRefed<Element> CreateElementNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aQualifiedName,
|
|
const nsAString& aTypeExtension,
|
|
mozilla::ErrorResult& rv) = 0;
|
|
already_AddRefed<mozilla::dom::DocumentFragment>
|
|
CreateDocumentFragment() const;
|
|
already_AddRefed<nsTextNode> CreateTextNode(const nsAString& aData) const;
|
|
already_AddRefed<mozilla::dom::Comment>
|
|
CreateComment(const nsAString& aData) const;
|
|
already_AddRefed<mozilla::dom::ProcessingInstruction>
|
|
CreateProcessingInstruction(const nsAString& target, const nsAString& data,
|
|
mozilla::ErrorResult& rv) const;
|
|
already_AddRefed<nsINode>
|
|
ImportNode(nsINode& aNode, bool aDeep, mozilla::ErrorResult& rv) const;
|
|
nsINode* AdoptNode(nsINode& aNode, mozilla::ErrorResult& rv);
|
|
already_AddRefed<mozilla::dom::Event>
|
|
CreateEvent(const nsAString& aEventType, mozilla::ErrorResult& rv) const;
|
|
already_AddRefed<nsRange> CreateRange(mozilla::ErrorResult& rv);
|
|
already_AddRefed<mozilla::dom::NodeIterator>
|
|
CreateNodeIterator(nsINode& aRoot, uint32_t aWhatToShow,
|
|
mozilla::dom::NodeFilter* aFilter,
|
|
mozilla::ErrorResult& rv) const;
|
|
already_AddRefed<mozilla::dom::NodeIterator>
|
|
CreateNodeIterator(nsINode& aRoot, uint32_t aWhatToShow,
|
|
const mozilla::dom::NodeFilterHolder& aFilter,
|
|
mozilla::ErrorResult& rv) const;
|
|
already_AddRefed<mozilla::dom::TreeWalker>
|
|
CreateTreeWalker(nsINode& aRoot, uint32_t aWhatToShow,
|
|
mozilla::dom::NodeFilter* aFilter, mozilla::ErrorResult& rv) const;
|
|
already_AddRefed<mozilla::dom::TreeWalker>
|
|
CreateTreeWalker(nsINode& aRoot, uint32_t aWhatToShow,
|
|
const mozilla::dom::NodeFilterHolder& aFilter,
|
|
mozilla::ErrorResult& rv) const;
|
|
|
|
// Deprecated WebIDL bits
|
|
already_AddRefed<mozilla::dom::CDATASection>
|
|
CreateCDATASection(const nsAString& aData, mozilla::ErrorResult& rv);
|
|
already_AddRefed<mozilla::dom::Attr>
|
|
CreateAttribute(const nsAString& aName, mozilla::ErrorResult& rv);
|
|
already_AddRefed<mozilla::dom::Attr>
|
|
CreateAttributeNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aQualifiedName,
|
|
mozilla::ErrorResult& rv);
|
|
void GetInputEncoding(nsAString& aInputEncoding);
|
|
already_AddRefed<nsLocation> GetLocation() const;
|
|
void GetReferrer(nsAString& aReferrer) const;
|
|
void GetLastModified(nsAString& aLastModified) const;
|
|
void GetReadyState(nsAString& aReadyState) const;
|
|
// Not const because otherwise the compiler can't figure out whether to call
|
|
// this GetTitle or the nsAString version from non-const methods, since
|
|
// neither is an exact match.
|
|
virtual void GetTitle(nsString& aTitle) = 0;
|
|
virtual void SetTitle(const nsAString& aTitle, mozilla::ErrorResult& rv) = 0;
|
|
void GetDir(nsAString& aDirection) const;
|
|
void SetDir(const nsAString& aDirection);
|
|
nsIDOMWindow* GetDefaultView() const
|
|
{
|
|
return GetWindow();
|
|
}
|
|
Element* GetActiveElement();
|
|
bool HasFocus(mozilla::ErrorResult& rv) const;
|
|
// Event handlers are all on nsINode already
|
|
bool MozSyntheticDocument() const
|
|
{
|
|
return IsSyntheticDocument();
|
|
}
|
|
Element* GetCurrentScript();
|
|
void ReleaseCapture() const;
|
|
virtual void MozSetImageElement(const nsAString& aImageElementId,
|
|
Element* aElement) = 0;
|
|
nsIURI* GetDocumentURIObject() const;
|
|
// Not const because all the full-screen goop is not const
|
|
virtual bool MozFullScreenEnabled() = 0;
|
|
virtual Element* GetMozFullScreenElement(mozilla::ErrorResult& rv) = 0;
|
|
bool MozFullScreen()
|
|
{
|
|
return IsFullScreenDoc();
|
|
}
|
|
void MozCancelFullScreen();
|
|
Element* GetMozPointerLockElement();
|
|
void MozExitPointerLock()
|
|
{
|
|
UnlockPointer(this);
|
|
}
|
|
bool Hidden() const
|
|
{
|
|
return mVisibilityState != mozilla::dom::VisibilityState::Visible;
|
|
}
|
|
bool MozHidden() // Not const because of WarnOnceAbout
|
|
{
|
|
WarnOnceAbout(ePrefixedVisibilityAPI);
|
|
return Hidden();
|
|
}
|
|
mozilla::dom::VisibilityState VisibilityState()
|
|
{
|
|
return mVisibilityState;
|
|
}
|
|
mozilla::dom::VisibilityState MozVisibilityState()
|
|
{
|
|
WarnOnceAbout(ePrefixedVisibilityAPI);
|
|
return VisibilityState();
|
|
}
|
|
virtual mozilla::dom::StyleSheetList* StyleSheets() = 0;
|
|
void GetSelectedStyleSheetSet(nsAString& aSheetSet);
|
|
virtual void SetSelectedStyleSheetSet(const nsAString& aSheetSet) = 0;
|
|
virtual void GetLastStyleSheetSet(nsString& aSheetSet) = 0;
|
|
void GetPreferredStyleSheetSet(nsAString& aSheetSet);
|
|
virtual mozilla::dom::DOMStringList* StyleSheetSets() = 0;
|
|
virtual void EnableStyleSheetsForSet(const nsAString& aSheetSet) = 0;
|
|
Element* ElementFromPoint(float aX, float aY);
|
|
|
|
/**
|
|
* Retrieve the location of the caret position (DOM node and character
|
|
* offset within that node), given a point.
|
|
*
|
|
* @param aX Horizontal point at which to determine the caret position, in
|
|
* page coordinates.
|
|
* @param aY Vertical point at which to determine the caret position, in
|
|
* page coordinates.
|
|
*/
|
|
already_AddRefed<nsDOMCaretPosition>
|
|
CaretPositionFromPoint(float aX, float aY);
|
|
|
|
// QuerySelector and QuerySelectorAll already defined on nsINode
|
|
nsINodeList* GetAnonymousNodes(Element& aElement);
|
|
Element* GetAnonymousElementByAttribute(Element& aElement,
|
|
const nsAString& aAttrName,
|
|
const nsAString& aAttrValue);
|
|
Element* GetBindingParent(nsINode& aNode);
|
|
void LoadBindingDocument(const nsAString& aURI, mozilla::ErrorResult& rv);
|
|
mozilla::dom::XPathExpression*
|
|
CreateExpression(const nsAString& aExpression,
|
|
mozilla::dom::XPathNSResolver* aResolver,
|
|
mozilla::ErrorResult& rv);
|
|
nsINode* CreateNSResolver(nsINode& aNodeResolver);
|
|
already_AddRefed<mozilla::dom::XPathResult>
|
|
Evaluate(JSContext* aCx, const nsAString& aExpression, nsINode& aContextNode,
|
|
mozilla::dom::XPathNSResolver* aResolver, uint16_t aType,
|
|
JS::Handle<JSObject*> aResult, mozilla::ErrorResult& rv);
|
|
// Touch event handlers already on nsINode
|
|
already_AddRefed<mozilla::dom::Touch>
|
|
CreateTouch(nsIDOMWindow* aView, mozilla::dom::EventTarget* aTarget,
|
|
int32_t aIdentifier, int32_t aPageX, int32_t aPageY,
|
|
int32_t aScreenX, int32_t aScreenY, int32_t aClientX,
|
|
int32_t aClientY, int32_t aRadiusX, int32_t aRadiusY,
|
|
float aRotationAngle, float aForce);
|
|
already_AddRefed<mozilla::dom::TouchList> CreateTouchList();
|
|
already_AddRefed<mozilla::dom::TouchList>
|
|
CreateTouchList(mozilla::dom::Touch& aTouch,
|
|
const mozilla::dom::Sequence<mozilla::dom::OwningNonNull<mozilla::dom::Touch> >& aTouches);
|
|
already_AddRefed<mozilla::dom::TouchList>
|
|
CreateTouchList(const mozilla::dom::Sequence<mozilla::dom::OwningNonNull<mozilla::dom::Touch> >& aTouches);
|
|
|
|
void SetStyleSheetChangeEventsEnabled(bool aValue)
|
|
{
|
|
mStyleSheetChangeEventsEnabled = aValue;
|
|
}
|
|
|
|
bool StyleSheetChangeEventsEnabled() const
|
|
{
|
|
return mStyleSheetChangeEventsEnabled;
|
|
}
|
|
|
|
void ObsoleteSheet(nsIURI *aSheetURI, mozilla::ErrorResult& rv);
|
|
|
|
void ObsoleteSheet(const nsAString& aSheetURI, mozilla::ErrorResult& rv);
|
|
|
|
// ParentNode
|
|
nsIHTMLCollection* Children();
|
|
uint32_t ChildElementCount();
|
|
|
|
virtual nsHTMLDocument* AsHTMLDocument() { return nullptr; }
|
|
virtual mozilla::dom::SVGDocument* AsSVGDocument() { return nullptr; }
|
|
|
|
// The root document of the import tree. If this document is not an import
|
|
// this will return the document itself.
|
|
virtual nsIDocument* MasterDocument() = 0;
|
|
virtual void SetMasterDocument(nsIDocument* master) = 0;
|
|
virtual bool IsMasterDocument() = 0;
|
|
virtual mozilla::dom::ImportManager* ImportManager() = 0;
|
|
// We keep track of the order of sub imports were added to the document.
|
|
virtual bool HasSubImportLink(nsINode* aLink) = 0;
|
|
virtual uint32_t IndexOfSubImportLink(nsINode* aLink) = 0;
|
|
virtual void AddSubImportLink(nsINode* aLink) = 0;
|
|
virtual nsINode* GetSubImportLink(uint32_t aIdx) = 0;
|
|
|
|
/*
|
|
* Given a node, get a weak reference to it and append that reference to
|
|
* mBlockedTrackingNodes. Can be used later on to look up a node in it.
|
|
* (e.g., by the UI)
|
|
*/
|
|
void AddBlockedTrackingNode(nsINode *node)
|
|
{
|
|
if (!node) {
|
|
return;
|
|
}
|
|
|
|
nsWeakPtr weakNode = do_GetWeakReference(node);
|
|
|
|
if (weakNode) {
|
|
mBlockedTrackingNodes.AppendElement(weakNode);
|
|
}
|
|
}
|
|
|
|
// FontFaceSource
|
|
mozilla::dom::FontFaceSet* GetFonts(mozilla::ErrorResult& aRv);
|
|
|
|
bool DidFireDOMContentLoaded() const { return mDidFireDOMContentLoaded; }
|
|
|
|
private:
|
|
uint64_t mDeprecationWarnedAbout;
|
|
uint64_t mDocWarningWarnedAbout;
|
|
SelectorCache mSelectorCache;
|
|
|
|
protected:
|
|
~nsIDocument();
|
|
nsPropertyTable* GetExtraPropertyTable(uint16_t aCategory);
|
|
|
|
// Never ever call this. Only call GetWindow!
|
|
virtual nsPIDOMWindow *GetWindowInternal() const = 0;
|
|
|
|
// Never ever call this. Only call GetScriptHandlingObject!
|
|
virtual nsIScriptGlobalObject* GetScriptHandlingObjectInternal() const = 0;
|
|
|
|
// Never ever call this. Only call AllowXULXBL!
|
|
virtual bool InternalAllowXULXBL() = 0;
|
|
|
|
/**
|
|
* These methods should be called before and after dispatching
|
|
* a mutation event.
|
|
* To make this easy and painless, use the mozAutoSubtreeModified helper class.
|
|
*/
|
|
virtual void WillDispatchMutationEvent(nsINode* aTarget) = 0;
|
|
virtual void MutationEventDispatched(nsINode* aTarget) = 0;
|
|
friend class mozAutoSubtreeModified;
|
|
|
|
virtual Element* GetNameSpaceElement() MOZ_OVERRIDE
|
|
{
|
|
return GetRootElement();
|
|
}
|
|
|
|
void SetContentTypeInternal(const nsACString& aType);
|
|
|
|
nsCString GetContentTypeInternal() const
|
|
{
|
|
return mContentType;
|
|
}
|
|
|
|
mozilla::dom::XPathEvaluator* XPathEvaluator();
|
|
|
|
nsCString mReferrer;
|
|
nsString mLastModified;
|
|
|
|
nsCOMPtr<nsIURI> mDocumentURI;
|
|
nsCOMPtr<nsIURI> mOriginalURI;
|
|
nsCOMPtr<nsIURI> mChromeXHRDocURI;
|
|
nsCOMPtr<nsIURI> mDocumentBaseURI;
|
|
nsCOMPtr<nsIURI> mChromeXHRDocBaseURI;
|
|
|
|
nsWeakPtr mDocumentLoadGroup;
|
|
|
|
bool mReferrerPolicySet;
|
|
ReferrerPolicy mReferrerPolicy;
|
|
|
|
mozilla::WeakPtr<nsDocShell> mDocumentContainer;
|
|
|
|
nsCString mCharacterSet;
|
|
int32_t mCharacterSetSource;
|
|
|
|
// This is just a weak pointer; the parent document owns its children.
|
|
nsIDocument* mParentDocument;
|
|
|
|
// A reference to the element last returned from GetRootElement().
|
|
mozilla::dom::Element* mCachedRootElement;
|
|
|
|
// This is a weak reference, but we hold a strong reference to mNodeInfo,
|
|
// which in turn holds a strong reference to this mNodeInfoManager.
|
|
nsNodeInfoManager* mNodeInfoManager;
|
|
nsRefPtr<mozilla::css::Loader> mCSSLoader;
|
|
nsRefPtr<mozilla::css::ImageLoader> mStyleImageLoader;
|
|
nsRefPtr<nsHTMLStyleSheet> mAttrStyleSheet;
|
|
nsRefPtr<nsHTMLCSSStyleSheet> mStyleAttrStyleSheet;
|
|
nsRefPtr<mozilla::SVGAttrAnimationRuleProcessor> mSVGAttrAnimationRuleProcessor;
|
|
|
|
// The set of all object, embed, applet, video/audio elements or
|
|
// nsIObjectLoadingContent or nsIDocumentActivity for which this is the
|
|
// owner document. (They might not be in the document.)
|
|
// These are non-owning pointers, the elements are responsible for removing
|
|
// themselves when they go away.
|
|
nsAutoPtr<nsTHashtable<nsPtrHashKey<nsISupports> > > mActivityObservers;
|
|
|
|
// The set of all links that need their status resolved. Links must add themselves
|
|
// to this set by calling RegisterPendingLinkUpdate when added to a document and must
|
|
// remove themselves by calling UnregisterPendingLinkUpdate when removed from a document.
|
|
nsTHashtable<nsPtrHashKey<mozilla::dom::Link> > mLinksToUpdate;
|
|
|
|
// SMIL Animation Controller, lazily-initialized in GetAnimationController
|
|
nsRefPtr<nsSMILAnimationController> mAnimationController;
|
|
|
|
// Table of element properties for this document.
|
|
nsPropertyTable mPropertyTable;
|
|
nsTArray<nsAutoPtr<nsPropertyTable> > mExtraPropertyTables;
|
|
|
|
// Our cached .children collection
|
|
nsCOMPtr<nsIHTMLCollection> mChildrenCollection;
|
|
|
|
// Compatibility mode
|
|
nsCompatibility mCompatMode;
|
|
|
|
// Our readyState
|
|
ReadyState mReadyState;
|
|
|
|
// Our visibility state
|
|
mozilla::dom::VisibilityState mVisibilityState;
|
|
|
|
// True if BIDI is enabled.
|
|
bool mBidiEnabled;
|
|
// True if a MathML element has ever been owned by this document.
|
|
bool mMathMLEnabled;
|
|
|
|
// True if this document is the initial document for a window. This should
|
|
// basically be true only for documents that exist in newly-opened windows or
|
|
// documents created to satisfy a GetDocument() on a window when there's no
|
|
// document in it.
|
|
bool mIsInitialDocumentInWindow;
|
|
|
|
// True if we're loaded as data and therefor has any dangerous stuff, such
|
|
// as scripts and plugins, disabled.
|
|
bool mLoadedAsData;
|
|
|
|
// This flag is only set in XMLDocument, for e.g. documents used in XBL. We
|
|
// don't want animations to play in such documents, so we need to store the
|
|
// flag here so that we can check it in nsDocument::GetAnimationController.
|
|
bool mLoadedAsInteractiveData;
|
|
|
|
// If true, whoever is creating the document has gotten it to the
|
|
// point where it's safe to start layout on it.
|
|
bool mMayStartLayout;
|
|
|
|
// True iff we've ever fired a DOMTitleChanged event for this document
|
|
bool mHaveFiredTitleChange;
|
|
|
|
// True iff IsShowing() should be returning true
|
|
bool mIsShowing;
|
|
|
|
// True iff the document "page" is not hidden (i.e. currently in the
|
|
// bfcache)
|
|
bool mVisible;
|
|
|
|
// True if our content viewer has been removed from the docshell
|
|
// (it may still be displayed, but in zombie state). Form control data
|
|
// has been saved.
|
|
bool mRemovedFromDocShell;
|
|
|
|
// True iff DNS prefetch is allowed for this document. Note that if the
|
|
// document has no window, DNS prefetch won't be performed no matter what.
|
|
bool mAllowDNSPrefetch;
|
|
|
|
// True when this document is a static clone of a normal document
|
|
bool mIsStaticDocument;
|
|
|
|
// True while this document is being cloned to a static document.
|
|
bool mCreatingStaticClone;
|
|
|
|
// True iff the document is being unlinked or deleted.
|
|
bool mInUnlinkOrDeletion;
|
|
|
|
// True if document has ever had script handling object.
|
|
bool mHasHadScriptHandlingObject;
|
|
|
|
// True if we're an SVG document being used as an image.
|
|
bool mIsBeingUsedAsImage;
|
|
|
|
// True is this document is synthetic : stand alone image, video, audio
|
|
// file, etc.
|
|
bool mIsSyntheticDocument;
|
|
|
|
// True if this document has links whose state needs updating
|
|
bool mHasLinksToUpdate;
|
|
|
|
// True if a layout flush might not be a no-op
|
|
bool mNeedLayoutFlush;
|
|
|
|
// True if a style flush might not be a no-op
|
|
bool mNeedStyleFlush;
|
|
|
|
// True if a DOMMutationObserver is perhaps attached to a node in the document.
|
|
bool mMayHaveDOMMutationObservers;
|
|
|
|
// True if a document has loaded Mixed Active Script (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedActiveContentLoaded;
|
|
|
|
// True if a document has blocked Mixed Active Script (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedActiveContentBlocked;
|
|
|
|
// True if a document has loaded Mixed Display/Passive Content (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedDisplayContentLoaded;
|
|
|
|
// True if a document has blocked Mixed Display/Passive Content (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedDisplayContentBlocked;
|
|
|
|
// True if a document has blocked Tracking Content
|
|
bool mHasTrackingContentBlocked;
|
|
|
|
// True if a document has loaded Tracking Content
|
|
bool mHasTrackingContentLoaded;
|
|
|
|
// True if DisallowBFCaching has been called on this document.
|
|
bool mBFCacheDisallowed;
|
|
|
|
// If true, we have an input encoding. If this is false, then the
|
|
// document was created entirely in memory
|
|
bool mHaveInputEncoding;
|
|
|
|
bool mHasHadDefaultView;
|
|
|
|
// Whether style sheet change events will be dispatched for this document
|
|
bool mStyleSheetChangeEventsEnabled;
|
|
|
|
// Whether the document was created by a srcdoc iframe.
|
|
bool mIsSrcdocDocument;
|
|
|
|
// Records whether we've done a document.open. If this is true, it's possible
|
|
// for nodes from this document to have outdated wrappers in their wrapper
|
|
// caches.
|
|
bool mDidDocumentOpen;
|
|
|
|
#ifdef DEBUG
|
|
/**
|
|
* This is true while FlushPendingLinkUpdates executes. Calls to
|
|
* [Un]RegisterPendingLinkUpdate will assert when this is true.
|
|
*/
|
|
bool mIsLinkUpdateRegistrationsForbidden;
|
|
#endif
|
|
|
|
enum Type {
|
|
eUnknown, // should never be used
|
|
eHTML,
|
|
eXHTML,
|
|
eGenericXML,
|
|
eSVG,
|
|
eXUL
|
|
};
|
|
|
|
uint8_t mType;
|
|
|
|
uint8_t mDefaultElementType;
|
|
|
|
enum {
|
|
eTriUnset = 0,
|
|
eTriFalse,
|
|
eTriTrue
|
|
};
|
|
|
|
uint8_t mAllowXULXBL;
|
|
|
|
// The document's script global object, the object from which the
|
|
// document can get its script context and scope. This is the
|
|
// *inner* window object.
|
|
nsCOMPtr<nsIScriptGlobalObject> mScriptGlobalObject;
|
|
|
|
// If mIsStaticDocument is true, mOriginalDocument points to the original
|
|
// document.
|
|
nsCOMPtr<nsIDocument> mOriginalDocument;
|
|
|
|
// The bidi options for this document. What this bitfield means is
|
|
// defined in nsBidiUtils.h
|
|
uint32_t mBidiOptions;
|
|
|
|
// The sandbox flags on the document. These reflect the value of the sandbox attribute of the
|
|
// associated IFRAME or CSP-protectable content, if existent. These are set at load time and
|
|
// are immutable - see nsSandboxFlags.h for the possible flags.
|
|
uint32_t mSandboxFlags;
|
|
|
|
nsCString mContentLanguage;
|
|
|
|
// The channel that got passed to nsDocument::StartDocumentLoad(), if any.
|
|
nsCOMPtr<nsIChannel> mChannel;
|
|
private:
|
|
nsCString mContentType;
|
|
protected:
|
|
|
|
// The document's security info
|
|
nsCOMPtr<nsISupports> mSecurityInfo;
|
|
|
|
// The channel that failed to load and resulted in an error page.
|
|
// This only applies to error pages. Might be null.
|
|
nsCOMPtr<nsIChannel> mFailedChannel;
|
|
|
|
// if this document is part of a multipart document,
|
|
// the ID can be used to distinguish it from the other parts.
|
|
uint32_t mPartID;
|
|
|
|
// Cycle collector generation in which we're certain that this document
|
|
// won't be collected
|
|
uint32_t mMarkedCCGeneration;
|
|
|
|
nsIPresShell* mPresShell;
|
|
|
|
nsCOMArray<nsINode> mSubtreeModifiedTargets;
|
|
uint32_t mSubtreeModifiedDepth;
|
|
|
|
// If we're an external resource document, this will be non-null and will
|
|
// point to our "display document": the one that all resource lookups should
|
|
// go to.
|
|
nsCOMPtr<nsIDocument> mDisplayDocument;
|
|
|
|
uint32_t mEventsSuppressed;
|
|
|
|
uint32_t mAnimationsPaused;
|
|
|
|
/**
|
|
* The number number of external scripts (ones with the src attribute) that
|
|
* have this document as their owner and that are being evaluated right now.
|
|
*/
|
|
uint32_t mExternalScriptsBeingEvaluated;
|
|
|
|
/**
|
|
* The current frame request callback handle
|
|
*/
|
|
int32_t mFrameRequestCallbackCounter;
|
|
|
|
// Array of nodes that have been blocked to prevent user tracking.
|
|
// They most likely have had their nsIChannel canceled by the URL
|
|
// classifier. (Safebrowsing)
|
|
//
|
|
// Weak nsINode pointers are used to allow nodes to disappear.
|
|
nsTArray<nsWeakPtr> mBlockedTrackingNodes;
|
|
|
|
// Weak reference to mScriptGlobalObject QI:d to nsPIDOMWindow,
|
|
// updated on every set of mSecriptGlobalObject.
|
|
nsPIDOMWindow *mWindow;
|
|
|
|
nsCOMPtr<nsIDocumentEncoder> mCachedEncoder;
|
|
|
|
struct FrameRequest;
|
|
|
|
nsTArray<FrameRequest> mFrameRequestCallbacks;
|
|
|
|
// This object allows us to evict ourself from the back/forward cache. The
|
|
// pointer is non-null iff we're currently in the bfcache.
|
|
nsIBFCacheEntry *mBFCacheEntry;
|
|
|
|
// Our base target.
|
|
nsString mBaseTarget;
|
|
|
|
nsCOMPtr<nsIStructuredCloneContainer> mStateObjectContainer;
|
|
nsCOMPtr<nsIVariant> mStateObjectCached;
|
|
|
|
uint32_t mInSyncOperationCount;
|
|
|
|
nsRefPtr<mozilla::dom::XPathEvaluator> mXPathEvaluator;
|
|
|
|
nsTArray<nsRefPtr<mozilla::dom::AnonymousContent>> mAnonymousContents;
|
|
|
|
uint32_t mBlockDOMContentLoaded;
|
|
bool mDidFireDOMContentLoaded:1;
|
|
|
|
// Our live MediaQueryLists
|
|
PRCList mDOMMediaQueryLists;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocument, NS_IDOCUMENT_IID)
|
|
|
|
/**
|
|
* mozAutoSubtreeModified batches DOM mutations so that a DOMSubtreeModified
|
|
* event is dispatched, if necessary, when the outermost mozAutoSubtreeModified
|
|
* object is deleted.
|
|
*/
|
|
class MOZ_STACK_CLASS mozAutoSubtreeModified
|
|
{
|
|
public:
|
|
/**
|
|
* @param aSubTreeOwner The document in which a subtree will be modified.
|
|
* @param aTarget The target of the possible DOMSubtreeModified event.
|
|
* Can be nullptr, in which case mozAutoSubtreeModified
|
|
* is just used to batch DOM mutations.
|
|
*/
|
|
mozAutoSubtreeModified(nsIDocument* aSubtreeOwner, nsINode* aTarget)
|
|
{
|
|
UpdateTarget(aSubtreeOwner, aTarget);
|
|
}
|
|
|
|
~mozAutoSubtreeModified()
|
|
{
|
|
UpdateTarget(nullptr, nullptr);
|
|
}
|
|
|
|
void UpdateTarget(nsIDocument* aSubtreeOwner, nsINode* aTarget)
|
|
{
|
|
if (mSubtreeOwner) {
|
|
mSubtreeOwner->MutationEventDispatched(mTarget);
|
|
}
|
|
|
|
mTarget = aTarget;
|
|
mSubtreeOwner = aSubtreeOwner;
|
|
if (mSubtreeOwner) {
|
|
mSubtreeOwner->WillDispatchMutationEvent(mTarget);
|
|
}
|
|
}
|
|
|
|
private:
|
|
nsCOMPtr<nsINode> mTarget;
|
|
nsCOMPtr<nsIDocument> mSubtreeOwner;
|
|
};
|
|
|
|
class MOZ_STACK_CLASS nsAutoSyncOperation
|
|
{
|
|
public:
|
|
explicit nsAutoSyncOperation(nsIDocument* aDocument);
|
|
~nsAutoSyncOperation();
|
|
private:
|
|
nsCOMArray<nsIDocument> mDocuments;
|
|
uint32_t mMicroTaskLevel;
|
|
};
|
|
|
|
// XXX These belong somewhere else
|
|
nsresult
|
|
NS_NewHTMLDocument(nsIDocument** aInstancePtrResult, bool aLoadedAsData = false);
|
|
|
|
nsresult
|
|
NS_NewXMLDocument(nsIDocument** aInstancePtrResult, bool aLoadedAsData = false,
|
|
bool aIsPlainDocument = false);
|
|
|
|
nsresult
|
|
NS_NewSVGDocument(nsIDocument** aInstancePtrResult);
|
|
|
|
nsresult
|
|
NS_NewImageDocument(nsIDocument** aInstancePtrResult);
|
|
|
|
nsresult
|
|
NS_NewVideoDocument(nsIDocument** aInstancePtrResult);
|
|
|
|
// Note: it's the caller's responsibility to create or get aPrincipal as needed
|
|
// -- this method will not attempt to get a principal based on aDocumentURI.
|
|
// Also, both aDocumentURI and aBaseURI must not be null.
|
|
nsresult
|
|
NS_NewDOMDocument(nsIDOMDocument** aInstancePtrResult,
|
|
const nsAString& aNamespaceURI,
|
|
const nsAString& aQualifiedName,
|
|
nsIDOMDocumentType* aDoctype,
|
|
nsIURI* aDocumentURI,
|
|
nsIURI* aBaseURI,
|
|
nsIPrincipal* aPrincipal,
|
|
bool aLoadedAsData,
|
|
nsIGlobalObject* aEventObject,
|
|
DocumentFlavor aFlavor);
|
|
|
|
// This is used only for xbl documents created from the startup cache.
|
|
// Non-cached documents are created in the same manner as xml documents.
|
|
nsresult
|
|
NS_NewXBLDocument(nsIDOMDocument** aInstancePtrResult,
|
|
nsIURI* aDocumentURI,
|
|
nsIURI* aBaseURI,
|
|
nsIPrincipal* aPrincipal);
|
|
|
|
nsresult
|
|
NS_NewPluginDocument(nsIDocument** aInstancePtrResult);
|
|
|
|
inline nsIDocument*
|
|
nsINode::GetOwnerDocument() const
|
|
{
|
|
nsIDocument* ownerDoc = OwnerDoc();
|
|
|
|
return ownerDoc != this ? ownerDoc : nullptr;
|
|
}
|
|
|
|
inline nsINode*
|
|
nsINode::OwnerDocAsNode() const
|
|
{
|
|
return OwnerDoc();
|
|
}
|
|
|
|
inline mozilla::dom::ParentObject
|
|
nsINode::GetParentObject() const
|
|
{
|
|
mozilla::dom::ParentObject p(OwnerDoc());
|
|
// Note that mUseXBLScope is a no-op for chrome, and other places where we
|
|
// don't use XBL scopes.
|
|
p.mUseXBLScope = IsInAnonymousSubtree() && !IsAnonymousContentInSVGUseSubtree();
|
|
return p;
|
|
}
|
|
|
|
#endif /* nsIDocument_h___ */
|