mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 15:23:51 +00:00
4596 lines
147 KiB
C++
4596 lines
147 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIDocument_h___
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#define nsIDocument_h___
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#include "mozilla/FlushType.h" // for enum
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#include "nsAttrAndChildArray.h"
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#include "nsAutoPtr.h" // for member
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#include "nsCOMArray.h" // for member
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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 "nsIApplicationCache.h"
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#include "nsIApplicationCacheContainer.h"
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#include "nsIContentViewer.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsILoadContext.h"
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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 "nsIParser.h"
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#include "nsIPresShell.h"
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#include "nsIChannelEventSink.h"
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#include "nsIProgressEventSink.h"
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#include "nsISecurityEventSink.h"
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#include "nsIScriptGlobalObject.h" // for member (in nsCOMPtr)
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#include "nsIServiceManager.h"
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#include "nsIURI.h" // for use in inline functions
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#include "nsIUUIDGenerator.h"
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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 "nsStringFwd.h"
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#include "nsTHashtable.h" // for member
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#include "nsURIHashKey.h"
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#include "mozilla/net/ReferrerPolicy.h" // for member
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#include "nsWeakReference.h"
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#include "mozilla/UseCounter.h"
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#include "mozilla/WeakPtr.h"
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#include "Units.h"
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#include "nsContentListDeclarations.h"
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#include "nsExpirationTracker.h"
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#include "nsClassHashtable.h"
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#include "mozilla/CORSMode.h"
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#include "mozilla/dom/DispatcherTrait.h"
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#include "mozilla/dom/DocumentOrShadowRoot.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/NotNull.h"
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#include "mozilla/SegmentedVector.h"
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#include "mozilla/ServoBindingTypes.h"
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#include "mozilla/StyleSheet.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/UniquePtr.h"
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#include <bitset> // for member
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// windows.h #defines CreateEvent
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#ifdef CreateEvent
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#undef CreateEvent
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#endif
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#ifdef MOZILLA_INTERNAL_API
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#include "mozilla/dom/DocumentBinding.h"
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#else
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namespace mozilla {
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namespace dom {
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class ElementCreationOptionsOrString;
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} // namespace dom
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} // namespace mozilla
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#endif // MOZILLA_INTERNAL_API
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class gfxUserFontSet;
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class imgIRequest;
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class nsBindingManager;
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class nsCachableElementsByNameNodeList;
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class nsIDocShell;
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class nsDocShell;
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class nsDOMNavigationTiming;
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class nsDOMStyleSheetSetList;
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class nsFrameLoader;
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class nsGlobalWindowInner;
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class nsHTMLCSSStyleSheet;
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class nsHTMLDocument;
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class nsHTMLStyleSheet;
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class nsGenericHTMLElement;
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class nsAtom;
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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 nsIDocShellTreeItem;
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class nsIDocumentEncoder;
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class nsIDocumentObserver;
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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 nsIPrincipal;
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class nsIRequest;
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class nsIRunnable;
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class nsISecurityConsoleMessage;
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class nsIStreamListener;
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class nsIStructuredCloneContainer;
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class nsIURI;
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class nsIVariant;
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class nsViewManager;
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class nsPresContext;
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class nsRange;
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class nsSMILAnimationController;
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class nsSVGElement;
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class nsTextNode;
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class nsUnblockOnloadEvent;
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class nsWindowSizes;
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class nsDOMCaretPosition;
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class nsViewportInfo;
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class nsIGlobalObject;
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namespace mozilla {
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class AbstractThread;
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class CSSStyleSheet;
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class Encoding;
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class ErrorResult;
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class EventStates;
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class EventListenerManager;
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class PendingAnimationTracker;
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class ServoStyleSet;
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template<typename> class OwningNonNull;
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struct URLExtraData;
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namespace css {
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class Loader;
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class ImageLoader;
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class Rule;
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} // namespace css
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namespace dom {
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class AboutCapabilities;
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class Animation;
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class AnonymousContent;
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class Attr;
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class BoxObject;
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class ClientInfo;
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class ClientState;
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class CDATASection;
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class Comment;
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struct CustomElementDefinition;
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class DocGroup;
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class DocumentFragment;
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class DocumentTimeline;
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class DocumentType;
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class DOMImplementation;
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class DOMIntersectionObserver;
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class DOMStringList;
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class Element;
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struct ElementCreationOptions;
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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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struct FullscreenRequest;
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class ImageTracker;
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class HTMLBodyElement;
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class HTMLSharedElement;
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class HTMLImageElement;
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struct LifecycleCallbackArgs;
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class Link;
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class Location;
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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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enum class OrientationType : uint8_t;
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class ProcessingInstruction;
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class Promise;
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class ScriptLoader;
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class Selection;
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class ServiceWorkerDescriptor;
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class StyleSheetList;
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class SVGDocument;
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class SVGSVGElement;
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class Touch;
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class TouchList;
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class TreeWalker;
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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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class XULDocument;
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template<typename> class Sequence;
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template<typename, typename> class CallbackObjectHolder;
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enum class CallerType : uint32_t;
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} // namespace dom
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} // namespace mozilla
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// Must be kept in sync with xpcom/rust/xpcom/src/interfaces/nonidl.rs
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#define NS_IDOCUMENT_IID \
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{ 0xce1f7627, 0x7109, 0x4977, \
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{ 0xba, 0x77, 0x49, 0x0f, 0xfd, 0xe0, 0x7a, 0xaa } }
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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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class nsDocumentOnStack;
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class nsDocHeaderData
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{
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public:
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nsDocHeaderData(nsAtom* aField, const nsAString& aData)
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: mField(aField), mData(aData), mNext(nullptr)
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{
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}
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~nsDocHeaderData(void)
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{
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delete mNext;
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}
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RefPtr<nsAtom> mField;
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nsString mData;
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nsDocHeaderData* mNext;
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};
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class nsExternalResourceMap
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{
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typedef bool (*nsSubDocEnumFunc)(nsIDocument *aDocument, void *aData);
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public:
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/**
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* A class that represents an external resource load that has begun but
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* doesn't have a document yet. Observers can be registered on this object,
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* and will be notified after the document is created. Observers registered
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* after the document has been created will NOT be notified. When observers
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* are notified, the subject will be the newly-created document, the topic
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* will be "external-resource-document-created", and the data will be null.
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* If document creation fails for some reason, observers will still be
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* notified, with a null document pointer.
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*/
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class ExternalResourceLoad : public nsISupports
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{
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public:
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virtual ~ExternalResourceLoad() {}
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void AddObserver(nsIObserver* aObserver)
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{
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MOZ_ASSERT(aObserver, "Must have observer");
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mObservers.AppendElement(aObserver);
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}
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const nsTArray<nsCOMPtr<nsIObserver>> & Observers()
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{
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return mObservers;
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}
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protected:
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AutoTArray<nsCOMPtr<nsIObserver>, 8> mObservers;
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};
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nsExternalResourceMap();
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/**
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* Request an external resource document. This does exactly what
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* nsIDocument::RequestExternalResource is documented to do.
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*/
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nsIDocument* RequestResource(nsIURI* aURI,
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nsINode* aRequestingNode,
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nsIDocument* aDisplayDocument,
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ExternalResourceLoad** aPendingLoad);
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/**
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* Enumerate the resource documents. See
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* nsIDocument::EnumerateExternalResources.
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*/
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void EnumerateResources(nsSubDocEnumFunc aCallback, void* aData);
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/**
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* Traverse ourselves for cycle-collection
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*/
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void Traverse(nsCycleCollectionTraversalCallback* aCallback) const;
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/**
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* Shut ourselves down (used for cycle-collection unlink), as well
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* as for document destruction.
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*/
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void Shutdown()
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{
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mPendingLoads.Clear();
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mMap.Clear();
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mHaveShutDown = true;
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}
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bool HaveShutDown() const
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{
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return mHaveShutDown;
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}
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// Needs to be public so we can traverse them sanely
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struct ExternalResource
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{
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~ExternalResource();
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nsCOMPtr<nsIDocument> mDocument;
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nsCOMPtr<nsIContentViewer> mViewer;
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nsCOMPtr<nsILoadGroup> mLoadGroup;
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};
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// Hide all our viewers
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void HideViewers();
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// Show all our viewers
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void ShowViewers();
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protected:
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class PendingLoad : public ExternalResourceLoad,
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public nsIStreamListener
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{
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~PendingLoad() {}
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public:
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explicit PendingLoad(nsIDocument* aDisplayDocument) :
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mDisplayDocument(aDisplayDocument)
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{}
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NS_DECL_ISUPPORTS
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSIREQUESTOBSERVER
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/**
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* Start aURI loading. This will perform the necessary security checks and
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* so forth.
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*/
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nsresult StartLoad(nsIURI* aURI, nsINode* aRequestingNode);
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/**
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* Set up an nsIContentViewer based on aRequest. This is guaranteed to
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* put null in *aViewer and *aLoadGroup on all failures.
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*/
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nsresult SetupViewer(nsIRequest* aRequest, nsIContentViewer** aViewer,
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nsILoadGroup** aLoadGroup);
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private:
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nsCOMPtr<nsIDocument> mDisplayDocument;
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nsCOMPtr<nsIStreamListener> mTargetListener;
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nsCOMPtr<nsIURI> mURI;
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};
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friend class PendingLoad;
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class LoadgroupCallbacks final : public nsIInterfaceRequestor
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{
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~LoadgroupCallbacks() {}
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public:
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explicit LoadgroupCallbacks(nsIInterfaceRequestor* aOtherCallbacks)
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: mCallbacks(aOtherCallbacks)
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{}
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NS_DECL_ISUPPORTS
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NS_DECL_NSIINTERFACEREQUESTOR
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private:
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// The only reason it's safe to hold a strong ref here without leaking is
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// that the notificationCallbacks on a loadgroup aren't the docshell itself
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// but a shim that holds a weak reference to the docshell.
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nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
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// Use shims for interfaces that docshell implements directly so that we
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// don't hand out references to the docshell. The shims should all allow
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// getInterface back on us, but other than that each one should only
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// implement one interface.
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// XXXbz I wish we could just derive the _allcaps thing from _i
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#define DECL_SHIM(_i, _allcaps) \
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class _i##Shim final : public nsIInterfaceRequestor, \
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public _i \
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{ \
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~_i##Shim() {} \
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public: \
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_i##Shim(nsIInterfaceRequestor* aIfreq, _i* aRealPtr) \
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: mIfReq(aIfreq), mRealPtr(aRealPtr) \
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{ \
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NS_ASSERTION(mIfReq, "Expected non-null here"); \
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NS_ASSERTION(mRealPtr, "Expected non-null here"); \
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} \
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NS_DECL_ISUPPORTS \
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NS_FORWARD_NSIINTERFACEREQUESTOR(mIfReq->) \
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NS_FORWARD_##_allcaps(mRealPtr->) \
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private: \
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nsCOMPtr<nsIInterfaceRequestor> mIfReq; \
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nsCOMPtr<_i> mRealPtr; \
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};
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DECL_SHIM(nsILoadContext, NSILOADCONTEXT)
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DECL_SHIM(nsIProgressEventSink, NSIPROGRESSEVENTSINK)
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DECL_SHIM(nsIChannelEventSink, NSICHANNELEVENTSINK)
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DECL_SHIM(nsISecurityEventSink, NSISECURITYEVENTSINK)
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DECL_SHIM(nsIApplicationCacheContainer, NSIAPPLICATIONCACHECONTAINER)
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#undef DECL_SHIM
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};
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/**
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* Add an ExternalResource for aURI. aViewer and aLoadGroup might be null
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* when this is called if the URI didn't result in an XML document. This
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* function makes sure to remove the pending load for aURI, if any, from our
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* hashtable, and to notify its observers, if any.
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*/
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nsresult AddExternalResource(nsIURI* aURI, nsIContentViewer* aViewer,
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nsILoadGroup* aLoadGroup,
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nsIDocument* aDisplayDocument);
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nsClassHashtable<nsURIHashKey, ExternalResource> mMap;
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nsRefPtrHashtable<nsURIHashKey, PendingLoad> mPendingLoads;
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bool mHaveShutDown;
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};
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//----------------------------------------------------------------------
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// For classifying a flash document based on its principal.
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class PrincipalFlashClassifier;
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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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public mozilla::dom::DocumentOrShadowRoot,
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public mozilla::dom::DispatcherTrait
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{
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typedef mozilla::dom::GlobalObject GlobalObject;
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protected:
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using Encoding = mozilla::Encoding;
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template <typename T> using NotNull = mozilla::NotNull<T>;
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public:
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typedef nsExternalResourceMap::ExternalResourceLoad ExternalResourceLoad;
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typedef mozilla::net::ReferrerPolicy ReferrerPolicyEnum;
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typedef mozilla::dom::Element Element;
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typedef mozilla::dom::FullscreenRequest FullscreenRequest;
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_IID)
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#ifdef MOZILLA_INTERNAL_API
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nsIDocument();
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#endif
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// This helper class must be set when we dispatch beforeunload and unload
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// events in order to avoid unterminate sync XHRs.
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class MOZ_RAII PageUnloadingEventTimeStamp
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{
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nsCOMPtr<nsIDocument> mDocument;
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bool mSet;
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public:
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explicit PageUnloadingEventTimeStamp(nsIDocument* aDocument)
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: mDocument(aDocument)
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, mSet(false)
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{
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MOZ_ASSERT(aDocument);
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if (mDocument->mPageUnloadingEventTimeStamp.IsNull()) {
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mDocument->SetPageUnloadingEventTimeStamp();
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mSet = true;
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}
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}
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~PageUnloadingEventTimeStamp()
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{
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if (mSet) {
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mDocument->CleanUnloadEventsTimeStamp();
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}
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}
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};
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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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|
|
virtual void SetSuppressParserErrorElement(bool aSuppress) {}
|
|
virtual bool SuppressParserErrorElement() { return false; }
|
|
|
|
virtual void SetSuppressParserErrorConsoleMessages(bool aSuppress) {}
|
|
virtual bool SuppressParserErrorConsoleMessages() { return false; }
|
|
|
|
// nsINode
|
|
bool IsNodeOfType(uint32_t aFlags) const final;
|
|
nsIContent* GetChildAt_Deprecated(uint32_t aIndex) const final
|
|
{
|
|
return mChildren.GetSafeChildAt(aIndex);
|
|
}
|
|
|
|
int32_t ComputeIndexOf(const nsINode* aPossibleChild) const final
|
|
{
|
|
return mChildren.IndexOfChild(aPossibleChild);
|
|
}
|
|
|
|
uint32_t GetChildCount() const final
|
|
{
|
|
return mChildren.ChildCount();
|
|
}
|
|
|
|
nsresult InsertChildBefore(nsIContent* aKid, nsIContent* aBeforeThis,
|
|
bool aNotify) override;
|
|
nsresult InsertChildAt_Deprecated(nsIContent* aKid, uint32_t aIndex,
|
|
bool aNotify) override;
|
|
void RemoveChildAt_Deprecated(uint32_t aIndex, bool aNotify) final;
|
|
void RemoveChildNode(nsIContent* aKid, bool aNotify) final;
|
|
nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo,
|
|
nsINode **aResult,
|
|
bool aPreallocateChildren) const override
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
/**
|
|
* Signal that the document title may have changed
|
|
* (see nsDocument::GetTitle).
|
|
* @param aBoundTitleElement true if an HTML or SVG <title> element
|
|
* has just been bound to the document.
|
|
*/
|
|
void NotifyPossibleTitleChange(bool aBoundTitleElement);
|
|
|
|
/**
|
|
* Return the URI for the document. May return null.
|
|
*
|
|
* The value returned corresponds to the "document's address" in
|
|
* HTML5. As such, it may change over the lifetime of the document, for
|
|
* instance as a result of the user navigating to a fragment identifier on
|
|
* the page, or as a result to a call to pushState() or replaceState().
|
|
*
|
|
* https://html.spec.whatwg.org/multipage/dom.html#the-document%27s-address
|
|
*/
|
|
nsIURI* GetDocumentURI() const
|
|
{
|
|
return mDocumentURI;
|
|
}
|
|
|
|
/**
|
|
* Return the original URI of the document. This is the same as the
|
|
* document's URI unless that has changed from its original value (for
|
|
* example, due to history.pushState() or replaceState() being invoked on the
|
|
* document).
|
|
*
|
|
* This method corresponds to the "creation URL" in HTML5 and, once set,
|
|
* doesn't change over the lifetime of the document.
|
|
*
|
|
* https://html.spec.whatwg.org/multipage/webappapis.html#creation-url
|
|
*/
|
|
nsIURI* GetOriginalURI() const
|
|
{
|
|
return mOriginalURI;
|
|
}
|
|
|
|
/**
|
|
* Set the URI for the document. This also sets the document's original URI,
|
|
* if it's null.
|
|
*/
|
|
void SetDocumentURI(nsIURI* aURI);
|
|
|
|
/**
|
|
* Set the URI for the document loaded via XHR, when accessed from
|
|
* chrome privileged script.
|
|
*/
|
|
void SetChromeXHRDocURI(nsIURI* aURI)
|
|
{
|
|
mChromeXHRDocURI = aURI;
|
|
}
|
|
|
|
/**
|
|
* Set the base URI for the document loaded via XHR, when accessed from
|
|
* chrome privileged script.
|
|
*/
|
|
void SetChromeXHRDocBaseURI(nsIURI* aURI)
|
|
{
|
|
mChromeXHRDocBaseURI = aURI;
|
|
}
|
|
|
|
/**
|
|
* Set referrer policy and upgrade-insecure-requests flags
|
|
*/
|
|
void ApplySettingsFromCSP(bool aSpeculative);
|
|
|
|
already_AddRefed<nsIParser> CreatorParserOrNull()
|
|
{
|
|
nsCOMPtr<nsIParser> parser = mParser;
|
|
return parser.forget();
|
|
}
|
|
|
|
/**
|
|
* Return the referrer policy of the document. Return "default" if there's no
|
|
* valid meta referrer tag found in the document.
|
|
*/
|
|
ReferrerPolicyEnum GetReferrerPolicy() const
|
|
{
|
|
return mReferrerPolicy;
|
|
}
|
|
|
|
/**
|
|
* GetReferrerPolicy() for Document.webidl.
|
|
*/
|
|
uint32_t ReferrerPolicy() const
|
|
{
|
|
return GetReferrerPolicy();
|
|
}
|
|
|
|
/**
|
|
* If true, this flag indicates that all mixed content subresource
|
|
* loads for this document (and also embeded browsing contexts) will
|
|
* be blocked.
|
|
*/
|
|
bool GetBlockAllMixedContent(bool aPreload) const
|
|
{
|
|
if (aPreload) {
|
|
return mBlockAllMixedContentPreloads;
|
|
}
|
|
return mBlockAllMixedContent;
|
|
}
|
|
|
|
/**
|
|
* If true, this flag indicates that all subresource loads for this
|
|
* document need to be upgraded from http to https.
|
|
* This flag becomes true if the CSP of the document itself, or any
|
|
* of the document's ancestors up to the toplevel document makes use
|
|
* of the CSP directive 'upgrade-insecure-requests'.
|
|
*/
|
|
bool GetUpgradeInsecureRequests(bool aPreload) const
|
|
{
|
|
if (aPreload) {
|
|
return mUpgradeInsecurePreloads;
|
|
}
|
|
return mUpgradeInsecureRequests;
|
|
}
|
|
|
|
void SetReferrer(const nsACString& aReferrer) {
|
|
mReferrer = aReferrer;
|
|
}
|
|
|
|
/**
|
|
* Set the principal responsible for this document. Chances are,
|
|
* you do not want to be using this.
|
|
*/
|
|
void SetPrincipal(nsIPrincipal* aPrincipal);
|
|
|
|
/**
|
|
* Get the list of ancestor principals for a document. This is the same as
|
|
* the ancestor list for the document's docshell the last time SetContainer()
|
|
* was called with a non-null argument. See the documentation for the
|
|
* corresponding getter in docshell for how this list is determined. We store
|
|
* a copy of the list, because we may lose the ability to reach our docshell
|
|
* before people stop asking us for this information.
|
|
*/
|
|
const nsTArray<nsCOMPtr<nsIPrincipal>>& AncestorPrincipals() const
|
|
{
|
|
return mAncestorPrincipals;
|
|
}
|
|
|
|
/**
|
|
* Get the list of ancestor outerWindowIDs for a document that correspond to
|
|
* the ancestor principals (see above for more details).
|
|
*/
|
|
const nsTArray<uint64_t>& AncestorOuterWindowIDs() const
|
|
{
|
|
return mAncestorOuterWindowIDs;
|
|
}
|
|
|
|
/**
|
|
* Return the LoadGroup for the document. May return null.
|
|
*/
|
|
already_AddRefed<nsILoadGroup> GetDocumentLoadGroup() const
|
|
{
|
|
nsCOMPtr<nsILoadGroup> group = do_QueryReferent(mDocumentLoadGroup);
|
|
return group.forget();
|
|
}
|
|
|
|
/**
|
|
* Return the fallback base URL for this document, as defined in the HTML
|
|
* specification. Note that this can return null if there is no document URI.
|
|
*
|
|
* XXXbz: This doesn't implement the bits for about:blank yet.
|
|
*/
|
|
nsIURI* GetFallbackBaseURI() const
|
|
{
|
|
if (mIsSrcdocDocument && mParentDocument) {
|
|
return mParentDocument->GetDocBaseURI();
|
|
}
|
|
return mDocumentURI;
|
|
}
|
|
|
|
/**
|
|
* Return the base URI for relative URIs in the document (the document uri
|
|
* unless it's overridden by SetBaseURI, HTML <base> tags, etc.). The
|
|
* returned URI could be null if there is no document URI. If the document is
|
|
* a srcdoc document and has no explicit base URL, return the parent
|
|
* document's base URL.
|
|
*/
|
|
nsIURI* GetDocBaseURI() const
|
|
{
|
|
if (mDocumentBaseURI) {
|
|
return mDocumentBaseURI;
|
|
}
|
|
return GetFallbackBaseURI();
|
|
}
|
|
|
|
already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const final;
|
|
|
|
void SetBaseURI(nsIURI* aURI);
|
|
|
|
/**
|
|
* Return the URL data which style system needs for resolving url value.
|
|
* This method attempts to use the cached object in mCachedURLData, but
|
|
* if the base URI, document URI, or principal has changed since last
|
|
* call to this function, or the function is called the first time for
|
|
* the document, a new one is created.
|
|
*/
|
|
mozilla::URLExtraData* DefaultStyleAttrURLData();
|
|
|
|
/**
|
|
* Get/Set the base target of a link in a document.
|
|
*/
|
|
void GetBaseTarget(nsAString& aBaseTarget) const
|
|
{
|
|
aBaseTarget = mBaseTarget;
|
|
}
|
|
|
|
void SetBaseTarget(const nsString& aBaseTarget) {
|
|
mBaseTarget = aBaseTarget;
|
|
}
|
|
|
|
/**
|
|
* Return a standard name for the document's character set.
|
|
*/
|
|
NotNull<const Encoding*> GetDocumentCharacterSet() const
|
|
{
|
|
return mCharacterSet;
|
|
}
|
|
|
|
/**
|
|
* Set the document's character encoding.
|
|
*/
|
|
virtual void SetDocumentCharacterSet(NotNull<const Encoding*> aEncoding);
|
|
|
|
int32_t GetDocumentCharacterSetSource() const
|
|
{
|
|
return mCharacterSetSource;
|
|
}
|
|
|
|
// This method MUST be called before SetDocumentCharacterSet if
|
|
// you're planning to call both.
|
|
void SetDocumentCharacterSetSource(int32_t aCharsetSource)
|
|
{
|
|
mCharacterSetSource = aCharsetSource;
|
|
}
|
|
|
|
/**
|
|
* Get the Content-Type of this document.
|
|
*/
|
|
void GetContentType(nsAString& aContentType);
|
|
|
|
/**
|
|
* Set the Content-Type of this document.
|
|
*/
|
|
virtual void SetContentType(const nsAString& aContentType);
|
|
|
|
/**
|
|
* Return the language of this document.
|
|
*/
|
|
void GetContentLanguage(nsAString& aContentLanguage) const
|
|
{
|
|
CopyASCIItoUTF16(mContentLanguage, aContentLanguage);
|
|
}
|
|
|
|
// The states BidiEnabled and MathMLEnabled should persist across multiple views
|
|
// (screen, print) of the same document.
|
|
|
|
/**
|
|
* Check if the document contains bidi data.
|
|
* If so, we have to apply the Unicode Bidi Algorithm.
|
|
*/
|
|
bool GetBidiEnabled() const
|
|
{
|
|
return mBidiEnabled;
|
|
}
|
|
|
|
/**
|
|
* Indicate the document contains bidi data.
|
|
* Currently, we cannot disable bidi, because once bidi is enabled,
|
|
* it affects a frame model irreversibly, and plays even though
|
|
* the document no longer contains bidi data.
|
|
*/
|
|
void SetBidiEnabled()
|
|
{
|
|
mBidiEnabled = true;
|
|
}
|
|
|
|
/**
|
|
* Check if the document contains (or has contained) any MathML elements.
|
|
*/
|
|
bool GetMathMLEnabled() const
|
|
{
|
|
return mMathMLEnabled;
|
|
}
|
|
|
|
void SetMathMLEnabled()
|
|
{
|
|
mMathMLEnabled = true;
|
|
}
|
|
|
|
/**
|
|
* Ask this document whether it's the initial document in its window.
|
|
*/
|
|
bool IsInitialDocument() const
|
|
{
|
|
return mIsInitialDocumentInWindow;
|
|
}
|
|
|
|
/**
|
|
* Tell this document that it's the initial document in its window. See
|
|
* comments on mIsInitialDocumentInWindow for when this should be called.
|
|
*/
|
|
void SetIsInitialDocument(bool aIsInitialDocument)
|
|
{
|
|
mIsInitialDocumentInWindow = aIsInitialDocument;
|
|
}
|
|
|
|
/**
|
|
* Normally we assert if a runnable labeled with one DocGroup touches data
|
|
* from another DocGroup. Calling IgnoreDocGroupMismatches() on a document
|
|
* means that we can touch that document from any DocGroup without asserting.
|
|
*/
|
|
void IgnoreDocGroupMismatches()
|
|
{
|
|
mIgnoreDocGroupMismatches = true;
|
|
}
|
|
|
|
/**
|
|
* Get the bidi options for this document.
|
|
* @see nsBidiUtils.h
|
|
*/
|
|
uint32_t GetBidiOptions() const
|
|
{
|
|
return mBidiOptions;
|
|
}
|
|
|
|
/**
|
|
* Set the bidi options for this document. This just sets the bits;
|
|
* callers are expected to take action as needed if they want this
|
|
* change to actually change anything immediately.
|
|
* @see nsBidiUtils.h
|
|
*/
|
|
void SetBidiOptions(uint32_t aBidiOptions)
|
|
{
|
|
mBidiOptions = aBidiOptions;
|
|
}
|
|
|
|
/**
|
|
* Get the has mixed active content loaded flag for this document.
|
|
*/
|
|
bool GetHasMixedActiveContentLoaded()
|
|
{
|
|
return mHasMixedActiveContentLoaded;
|
|
}
|
|
|
|
/**
|
|
* Set the has mixed active content loaded flag for this document.
|
|
*/
|
|
void SetHasMixedActiveContentLoaded(bool aHasMixedActiveContentLoaded)
|
|
{
|
|
mHasMixedActiveContentLoaded = aHasMixedActiveContentLoaded;
|
|
}
|
|
|
|
/**
|
|
* Get mixed active content blocked flag for this document.
|
|
*/
|
|
bool GetHasMixedActiveContentBlocked()
|
|
{
|
|
return mHasMixedActiveContentBlocked;
|
|
}
|
|
|
|
/**
|
|
* Set the mixed active content blocked flag for this document.
|
|
*/
|
|
void SetHasMixedActiveContentBlocked(bool aHasMixedActiveContentBlocked)
|
|
{
|
|
mHasMixedActiveContentBlocked = aHasMixedActiveContentBlocked;
|
|
}
|
|
|
|
/**
|
|
* Get the has mixed display content loaded flag for this document.
|
|
*/
|
|
bool GetHasMixedDisplayContentLoaded()
|
|
{
|
|
return mHasMixedDisplayContentLoaded;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* Set the mixed content object subrequest flag for this document.
|
|
*/
|
|
void SetHasMixedContentObjectSubrequest(bool aHasMixedContentObjectSubrequest)
|
|
{
|
|
mHasMixedContentObjectSubrequest = aHasMixedContentObjectSubrequest;
|
|
}
|
|
|
|
/**
|
|
* Set CSP flag for this document.
|
|
*/
|
|
void SetHasCSP(bool aHasCSP)
|
|
{
|
|
mHasCSP = aHasCSP;
|
|
}
|
|
|
|
/**
|
|
* Set unsafe-inline CSP flag for this document.
|
|
*/
|
|
void SetHasUnsafeInlineCSP(bool aHasUnsafeInlineCSP)
|
|
{
|
|
mHasUnsafeInlineCSP = aHasUnsafeInlineCSP;
|
|
}
|
|
|
|
/**
|
|
* Set unsafe-eval CSP flag for this document.
|
|
*/
|
|
void SetHasUnsafeEvalCSP(bool aHasUnsafeEvalCSP)
|
|
{
|
|
mHasUnsafeEvalCSP = aHasUnsafeEvalCSP;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* Get string representation of sandbox flags (null if no flags are set)
|
|
*/
|
|
void GetSandboxFlagsAsString(nsAString& aFlags);
|
|
|
|
/**
|
|
* Set the sandbox flags for this document.
|
|
* @see nsSandboxFlags.h for the possible flags
|
|
*/
|
|
void SetSandboxFlags(uint32_t sandboxFlags)
|
|
{
|
|
mSandboxFlags = sandboxFlags;
|
|
}
|
|
|
|
/**
|
|
* Called when the document was decoded as UTF-8 and decoder encountered no
|
|
* errors.
|
|
*/
|
|
void EnableEncodingMenu()
|
|
{
|
|
mEncodingMenuDisabled = false;
|
|
}
|
|
|
|
/**
|
|
* Access HTTP header data (this may also get set from other
|
|
* sources, like HTML META tags).
|
|
*/
|
|
void GetHeaderData(nsAtom* aHeaderField, nsAString& aData) const;
|
|
void SetHeaderData(nsAtom* aheaderField, const nsAString& aData);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
already_AddRefed<nsIPresShell> CreateShell(
|
|
nsPresContext* aContext,
|
|
nsViewManager* aViewManager,
|
|
mozilla::UniquePtr<mozilla::ServoStyleSet> aStyleSet);
|
|
void DeleteShell();
|
|
|
|
nsIPresShell* GetShell() const
|
|
{
|
|
return GetBFCacheEntry() ? nullptr : mPresShell;
|
|
}
|
|
|
|
nsIPresShell* GetObservingShell() const
|
|
{
|
|
return mPresShell && mPresShell->IsObservingDocument()
|
|
? mPresShell : nullptr;
|
|
}
|
|
|
|
// Return whether the presshell for this document is safe to flush.
|
|
bool IsSafeToFlush() const;
|
|
|
|
nsPresContext* GetPresContext() const
|
|
{
|
|
nsIPresShell* shell = GetShell();
|
|
return shell ? shell->GetPresContext() : nullptr;
|
|
}
|
|
|
|
bool HasShellOrBFCacheEntry() const
|
|
{
|
|
return mPresShell || mBFCacheEntry;
|
|
}
|
|
|
|
// Instead using this method, what you probably want is
|
|
// RemoveFromBFCacheSync() as we do in MessagePort and BroadcastChannel.
|
|
void DisallowBFCaching()
|
|
{
|
|
NS_ASSERTION(!mBFCacheEntry, "We're already in the bfcache!");
|
|
mBFCacheDisallowed = true;
|
|
}
|
|
|
|
bool IsBFCachingAllowed() const
|
|
{
|
|
return !mBFCacheDisallowed;
|
|
}
|
|
|
|
// Accepts null to clear the BFCache entry too.
|
|
void SetBFCacheEntry(nsIBFCacheEntry* 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;
|
|
if (aParent) {
|
|
mIgnoreDocGroupMismatches = aParent->mIgnoreDocGroupMismatches;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Are plugins allowed in this document ?
|
|
*/
|
|
bool GetAllowPlugins();
|
|
|
|
/**
|
|
* Set the sub document for aContent to aSubDoc.
|
|
*/
|
|
nsresult SetSubDocumentFor(Element* aContent, nsIDocument* aSubDoc);
|
|
|
|
/**
|
|
* Get the sub document for aContent
|
|
*/
|
|
nsIDocument* GetSubDocumentFor(nsIContent* aContent) const;
|
|
|
|
/**
|
|
* Find the content node for which aDocument is a sub document.
|
|
*/
|
|
Element* FindContentForSubDocument(nsIDocument* aDocument) const;
|
|
|
|
/**
|
|
* Return the doctype for this document.
|
|
*/
|
|
mozilla::dom::DocumentType* GetDoctype() const;
|
|
|
|
/**
|
|
* Return the root element for this document.
|
|
*/
|
|
Element* GetRootElement() const;
|
|
|
|
mozilla::dom::Selection* GetSelection(mozilla::ErrorResult& aRv);
|
|
|
|
/**
|
|
* Gets the event target to dispatch key events to if there is no focused
|
|
* content in the document.
|
|
*/
|
|
virtual nsIContent* GetUnfocusedKeyEventTarget();
|
|
|
|
/**
|
|
* Retrieve information about the viewport as a data structure.
|
|
* This will return information in the viewport META data section
|
|
* of the document. This can be used in lieu of ProcessViewportInfo(),
|
|
* which places the viewport information in the document header instead
|
|
* of returning it directly.
|
|
*
|
|
* @param aDisplaySize size of the on-screen display area for this
|
|
* document, in device pixels.
|
|
*
|
|
* NOTE: If the site is optimized for mobile (via the doctype), this
|
|
* will return viewport information that specifies default information.
|
|
*/
|
|
nsViewportInfo GetViewportInfo(const mozilla::ScreenIntSize& aDisplaySize);
|
|
|
|
/**
|
|
* 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);
|
|
/**
|
|
* If aNode is a descendant of anonymous content inserted by
|
|
* InsertAnonymousContent, this method returns the root element of the
|
|
* inserted anonymous content (in other words, the clone of the aElement
|
|
* that was passed to InsertAnonymousContent).
|
|
*/
|
|
Element* GetAnonRootIfInAnonymousContentContainer(nsINode* aNode) const;
|
|
nsTArray<RefPtr<mozilla::dom::AnonymousContent>>& GetAnonymousContents() {
|
|
return mAnonymousContents;
|
|
}
|
|
|
|
mozilla::TimeStamp GetPageUnloadingEventTimeStamp() const
|
|
{
|
|
if (!mParentDocument) {
|
|
return mPageUnloadingEventTimeStamp;
|
|
}
|
|
|
|
mozilla::TimeStamp parentTimeStamp(mParentDocument->GetPageUnloadingEventTimeStamp());
|
|
if (parentTimeStamp.IsNull()) {
|
|
return mPageUnloadingEventTimeStamp;
|
|
}
|
|
|
|
if (!mPageUnloadingEventTimeStamp ||
|
|
parentTimeStamp < mPageUnloadingEventTimeStamp) {
|
|
return parentTimeStamp;
|
|
}
|
|
|
|
return mPageUnloadingEventTimeStamp;
|
|
}
|
|
|
|
void NotifyLayerManagerRecreated();
|
|
|
|
/**
|
|
* Add an SVG element to the list of elements that need
|
|
* their mapped attributes resolved to a Servo declaration block.
|
|
*
|
|
* These are weak pointers, please manually unschedule them when an element
|
|
* is removed.
|
|
*/
|
|
void ScheduleSVGForPresAttrEvaluation(nsSVGElement* aSVG)
|
|
{
|
|
mLazySVGPresElements.PutEntry(aSVG);
|
|
}
|
|
|
|
// Unschedule an element scheduled by ScheduleFrameRequestCallback (e.g. for
|
|
// when it is destroyed)
|
|
void UnscheduleSVGForPresAttrEvaluation(nsSVGElement* aSVG)
|
|
{
|
|
mLazySVGPresElements.RemoveEntry(aSVG);
|
|
}
|
|
|
|
// Resolve all SVG pres attrs scheduled in ScheduleSVGForPresAttrEvaluation
|
|
void ResolveScheduledSVGPresAttrs();
|
|
|
|
mozilla::Maybe<mozilla::dom::ClientInfo> GetClientInfo() const;
|
|
mozilla::Maybe<mozilla::dom::ClientState> GetClientState() const;
|
|
mozilla::Maybe<mozilla::dom::ServiceWorkerDescriptor> GetController() const;
|
|
|
|
// Returns the size of the mBlockedTrackingNodes array.
|
|
//
|
|
// This array contains nodes that have been blocked to prevent
|
|
// user tracking. They most likely have had their nsIChannel
|
|
// canceled by the URL classifier (Safebrowsing).
|
|
//
|
|
// A script can subsequently use GetBlockedTrackingNodes()
|
|
// to get a list of references to these nodes.
|
|
//
|
|
// Note:
|
|
// This expresses how many tracking nodes have been blocked for this
|
|
// document since its beginning, not how many of them are still around
|
|
// in the DOM tree. Weak references to blocked nodes are added in the
|
|
// mBlockedTrackingNodesArray but they are not removed when those nodes
|
|
// are removed from the tree or even garbage collected.
|
|
long BlockedTrackingNodeCount() const
|
|
{
|
|
return mBlockedTrackingNodes.Length();
|
|
}
|
|
|
|
//
|
|
// Returns strong references to mBlockedTrackingNodes. (nsIDocument.h)
|
|
//
|
|
// This array contains nodes that have been blocked to prevent
|
|
// user tracking. They most likely have had their nsIChannel
|
|
// canceled by the URL classifier (Safebrowsing).
|
|
//
|
|
already_AddRefed<nsSimpleContentList> BlockedTrackingNodes() const;
|
|
|
|
protected:
|
|
friend class nsUnblockOnloadEvent;
|
|
|
|
nsresult InitCSP(nsIChannel* aChannel);
|
|
|
|
void PostUnblockOnloadEvent();
|
|
|
|
void DoUnblockOnload();
|
|
|
|
void ClearAllBoxObjects();
|
|
|
|
void MaybeEndOutermostXBLUpdate();
|
|
|
|
void DispatchContentLoadedEvents();
|
|
|
|
void DispatchPageTransition(mozilla::dom::EventTarget* aDispatchTarget,
|
|
const nsAString& aType,
|
|
bool aPersisted);
|
|
|
|
// Call this before the document does something that will unbind all content.
|
|
// That will stop us from doing a lot of work as each element is removed.
|
|
void DestroyElementMaps();
|
|
|
|
Element* GetRootElementInternal() const;
|
|
void DoNotifyPossibleTitleChange();
|
|
|
|
void SetPageUnloadingEventTimeStamp()
|
|
{
|
|
MOZ_ASSERT(!mPageUnloadingEventTimeStamp);
|
|
mPageUnloadingEventTimeStamp = mozilla::TimeStamp::NowLoRes();
|
|
}
|
|
|
|
void CleanUnloadEventsTimeStamp()
|
|
{
|
|
MOZ_ASSERT(mPageUnloadingEventTimeStamp);
|
|
mPageUnloadingEventTimeStamp = mozilla::TimeStamp();
|
|
}
|
|
|
|
/**
|
|
* Clears any Servo element data stored on Elements in the document.
|
|
*/
|
|
void ClearStaleServoData();
|
|
|
|
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 final
|
|
: public nsExpirationTracker<SelectorCacheKey, 4>
|
|
{
|
|
public:
|
|
using SelectorList = mozilla::UniquePtr<RawServoSelectorList>;
|
|
|
|
explicit SelectorCache(nsIEventTarget* aEventTarget);
|
|
|
|
void CacheList(const nsAString& aSelector, SelectorList aSelectorList)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
SelectorCacheKey* key = new SelectorCacheKey(aSelector);
|
|
mTable.Put(key->mKey, Move(aSelectorList));
|
|
AddObject(key);
|
|
}
|
|
|
|
void NotifyExpired(SelectorCacheKey* aSelector) final;
|
|
|
|
// 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 the selector list returned has a null
|
|
// RawServoSelectorList*, that indicates that aSelector has already been
|
|
// parsed and is not a syntactically valid selector.
|
|
SelectorList* GetList(const nsAString& aSelector)
|
|
{
|
|
return mTable.GetValue(aSelector);
|
|
}
|
|
|
|
~SelectorCache();
|
|
|
|
private:
|
|
nsDataHashtable<nsStringHashKey, SelectorList> mTable;
|
|
};
|
|
|
|
SelectorCache& GetSelectorCache() {
|
|
if (!mSelectorCache) {
|
|
mSelectorCache =
|
|
mozilla::MakeUnique<SelectorCache>(
|
|
EventTargetFor(mozilla::TaskCategory::Other));
|
|
}
|
|
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(nsAtom* 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);
|
|
}
|
|
// Get the "body" in the sense of document.body: The first <body> or
|
|
// <frameset> that's a child of a root <html>
|
|
nsGenericHTMLElement* GetBody();
|
|
// Set the "body" in the sense of document.body.
|
|
void SetBody(nsGenericHTMLElement* aBody, mozilla::ErrorResult& rv);
|
|
// Get the "head" element in the sense of document.head.
|
|
mozilla::dom::HTMLSharedElement* GetHead();
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void EnsureOnDemandBuiltInUASheet(mozilla::StyleSheet* aSheet);
|
|
|
|
mozilla::dom::StyleSheetList* StyleSheets()
|
|
{
|
|
return &DocumentOrShadowRoot::EnsureDOMStyleSheets();
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
* @throws no exceptions
|
|
*/
|
|
void InsertStyleSheetAt(mozilla::StyleSheet* aSheet, size_t aIndex);
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void UpdateStyleSheets(
|
|
nsTArray<RefPtr<mozilla::StyleSheet>>& aOldSheets,
|
|
nsTArray<RefPtr<mozilla::StyleSheet>>& aNewSheets);
|
|
|
|
/**
|
|
* Add a stylesheet to the document
|
|
*/
|
|
void AddStyleSheet(mozilla::StyleSheet* aSheet);
|
|
|
|
/**
|
|
* Remove a stylesheet from the document
|
|
*/
|
|
void RemoveStyleSheet(mozilla::StyleSheet* aSheet);
|
|
|
|
/**
|
|
* Notify the document that the applicable state of the sheet changed
|
|
* and that observers should be notified and style sets updated
|
|
*/
|
|
void SetStyleSheetApplicableState(mozilla::StyleSheet* aSheet,
|
|
bool aApplicable);
|
|
|
|
enum additionalSheetType {
|
|
eAgentSheet,
|
|
eUserSheet,
|
|
eAuthorSheet,
|
|
AdditionalSheetTypeCount
|
|
};
|
|
|
|
nsresult LoadAdditionalStyleSheet(additionalSheetType aType,
|
|
nsIURI* aSheetURI);
|
|
nsresult AddAdditionalStyleSheet(additionalSheetType aType,
|
|
mozilla::StyleSheet* aSheet);
|
|
void RemoveAdditionalStyleSheet(additionalSheetType aType, nsIURI* sheetURI);
|
|
|
|
mozilla::StyleSheet* GetFirstAdditionalAuthorSheet()
|
|
{
|
|
return mAdditionalSheets[eAuthorSheet].SafeElementAt(0);
|
|
}
|
|
|
|
/**
|
|
* Assuming that aDocSheets is an array of document-level style
|
|
* sheets for this document, returns the index that aSheet should
|
|
* be inserted at to maintain document ordering.
|
|
*
|
|
* Type T has to cast to StyleSheet*.
|
|
*
|
|
* Defined in nsIDocumentInlines.h.
|
|
*/
|
|
template<typename T>
|
|
size_t FindDocStyleSheetInsertionPoint(const nsTArray<T>& aDocSheets,
|
|
const mozilla::StyleSheet& aSheet);
|
|
|
|
/**
|
|
* 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)
|
|
*/
|
|
nsIChannel* GetChannel() const
|
|
{
|
|
return mChannel;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aGlobalObject);
|
|
|
|
/**
|
|
* 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();
|
|
}
|
|
void SetScriptHandlingObject(nsIScriptGlobalObject* aScriptObject);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
nsIGlobalObject* GetScopeObject() const;
|
|
void SetScopeObject(nsIGlobalObject* aGlobal);
|
|
|
|
/**
|
|
* Return the window containing the document (the outer window).
|
|
*/
|
|
nsPIDOMWindowOuter *GetWindow() const
|
|
{
|
|
return mWindow ? mWindow->GetOuterWindow() : GetWindowInternal();
|
|
}
|
|
|
|
bool IsInBackgroundWindow() const
|
|
{
|
|
auto* 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().
|
|
*/
|
|
nsPIDOMWindowInner* GetInnerWindow() const
|
|
{
|
|
return mRemovedFromDocShell ? nullptr : mWindow;
|
|
}
|
|
|
|
/**
|
|
* Return the outer window ID.
|
|
*/
|
|
uint64_t OuterWindowID() const
|
|
{
|
|
nsPIDOMWindowOuter* window = GetWindow();
|
|
return window ? window->WindowID() : 0;
|
|
}
|
|
|
|
/**
|
|
* Return the inner window ID.
|
|
*/
|
|
uint64_t InnerWindowID() const
|
|
{
|
|
nsPIDOMWindowInner* window = GetInnerWindow();
|
|
return window ? window->WindowID() : 0;
|
|
}
|
|
|
|
bool IsTopLevelWindowInactive() const;
|
|
|
|
/**
|
|
* Get the script loader for this document
|
|
*/
|
|
mozilla::dom::ScriptLoader* ScriptLoader()
|
|
{
|
|
return mScriptLoader;
|
|
}
|
|
|
|
/**
|
|
* Add/Remove an element to the document's id and name hashes
|
|
*/
|
|
void AddToIdTable(Element* aElement, nsAtom* aId);
|
|
void RemoveFromIdTable(Element* aElement, nsAtom* aId);
|
|
void AddToNameTable(Element* aElement, nsAtom* aName);
|
|
void RemoveFromNameTable(Element* aElement, nsAtom* aName);
|
|
|
|
/**
|
|
* Returns all elements in the fullscreen stack in the insertion order.
|
|
*/
|
|
nsTArray<Element*> GetFullscreenStack() const;
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void AsyncRequestFullScreen(mozilla::UniquePtr<FullscreenRequest>&&);
|
|
|
|
// Do the "fullscreen element ready check" from the fullscreen spec.
|
|
// It returns true if the given element is allowed to go into fullscreen.
|
|
bool FullscreenElementReadyCheck(Element* aElement, bool aWasCallerChrome);
|
|
|
|
// This is called asynchronously by nsIDocument::AsyncRequestFullScreen()
|
|
// to move this document into full-screen mode if allowed.
|
|
void RequestFullScreen(mozilla::UniquePtr<FullscreenRequest>&& aRequest);
|
|
|
|
// Removes all elements from the full-screen stack, removing full-scren
|
|
// styles from the top element in the stack.
|
|
void CleanupFullscreenState();
|
|
|
|
// Pushes aElement onto the full-screen stack, and removes full-screen styles
|
|
// from the former full-screen stack top, and its ancestors, and applies the
|
|
// styles to aElement. aElement becomes the new "full-screen element".
|
|
bool FullScreenStackPush(Element* aElement);
|
|
|
|
// Remove the top element from the full-screen stack. Removes the full-screen
|
|
// styles from the former top element, and applies them to the new top
|
|
// element, if there is one.
|
|
void FullScreenStackPop();
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
nsresult RemoteFrameFullscreenChanged(mozilla::dom::Element* aFrameElement);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
nsresult RemoteFrameFullscreenReverted();
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void RestorePreviousFullScreenState();
|
|
|
|
/**
|
|
* Returns true if this document is a fullscreen leaf document, i.e. it
|
|
* is in fullscreen mode and has no fullscreen children.
|
|
*/
|
|
bool IsFullscreenLeaf();
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
nsIDocument* GetFullscreenRoot();
|
|
|
|
/**
|
|
* Sets the fullscreen root to aRoot. This stores a weak reference to aRoot
|
|
* in this document.
|
|
*/
|
|
void SetFullscreenRoot(nsIDocument* aRoot);
|
|
|
|
/**
|
|
* Synchronously cleans up the fullscreen state on the given document.
|
|
*
|
|
* Calling this without performing fullscreen transition could lead
|
|
* to undesired effect (the transition happens after document state
|
|
* flips), hence it should only be called either by nsGlobalWindow
|
|
* when we have performed the transition, or when it is necessary to
|
|
* clean up the state immediately. Otherwise, AsyncExitFullscreen()
|
|
* should be called instead.
|
|
*
|
|
* aDocument must not be null.
|
|
*/
|
|
static void ExitFullscreenInDocTree(nsIDocument* aDocument);
|
|
|
|
/**
|
|
* Ask the document to exit fullscreen state asynchronously.
|
|
*
|
|
* Different from ExitFullscreenInDocTree(), this allows the window
|
|
* to perform fullscreen transition first if any.
|
|
*
|
|
* If aDocument is null, it will exit fullscreen from all documents
|
|
* in all windows.
|
|
*/
|
|
static void AsyncExitFullscreen(nsIDocument* aDocument);
|
|
|
|
/**
|
|
* Handles any pending fullscreen in aDocument or its subdocuments.
|
|
*
|
|
* Returns whether there is any fullscreen request handled.
|
|
*/
|
|
static bool HandlePendingFullscreenRequests(nsIDocument* aDocument);
|
|
|
|
/**
|
|
* Dispatch fullscreenerror event and report the failure message to
|
|
* the console.
|
|
*/
|
|
void DispatchFullscreenError(const char* aMessage);
|
|
|
|
void RequestPointerLock(Element* aElement, mozilla::dom::CallerType);
|
|
bool SetPointerLock(Element* aElement, int aCursorStyle);
|
|
|
|
static void UnlockPointer(nsIDocument* aDoc = nullptr);
|
|
|
|
// ScreenOrientation related APIs
|
|
|
|
void SetCurrentOrientation(mozilla::dom::OrientationType aType,
|
|
uint16_t aAngle)
|
|
{
|
|
mCurrentOrientationType = aType;
|
|
mCurrentOrientationAngle = aAngle;
|
|
}
|
|
|
|
uint16_t CurrentOrientationAngle() const
|
|
{
|
|
return mCurrentOrientationAngle;
|
|
}
|
|
mozilla::dom::OrientationType CurrentOrientationType() const
|
|
{
|
|
return mCurrentOrientationType;
|
|
}
|
|
void SetOrientationPendingPromise(mozilla::dom::Promise* aPromise);
|
|
mozilla::dom::Promise* GetOrientationPendingPromise() const
|
|
{
|
|
return mOrientationPendingPromise;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
// 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.
|
|
*/
|
|
void AddObserver(nsIDocumentObserver* aObserver);
|
|
|
|
/**
|
|
* Remove an observer of document change notifications. This will
|
|
* return false if the observer cannot be found.
|
|
*/
|
|
bool RemoveObserver(nsIDocumentObserver* aObserver);
|
|
|
|
// 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.
|
|
void BeginUpdate();
|
|
virtual void EndUpdate() = 0;
|
|
|
|
virtual void BeginLoad() = 0;
|
|
virtual void EndLoad() = 0;
|
|
|
|
enum ReadyState { READYSTATE_UNINITIALIZED = 0, READYSTATE_LOADING = 1, READYSTATE_INTERACTIVE = 3, READYSTATE_COMPLETE = 4};
|
|
void SetReadyStateInternal(ReadyState rs);
|
|
ReadyState GetReadyStateEnum()
|
|
{
|
|
return mReadyState;
|
|
}
|
|
|
|
// notify that a content node changed state. This must happen under
|
|
// a scriptblocker but NOT within a begin/end update.
|
|
void ContentStateChanged(
|
|
nsIContent* aContent, mozilla::EventStates aStateMask);
|
|
|
|
// 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.
|
|
void DocumentStatesChanged(mozilla::EventStates aStateMask);
|
|
|
|
// Observation hooks for style data to propagate notifications
|
|
// to document observers
|
|
void StyleRuleChanged(mozilla::StyleSheet* aStyleSheet,
|
|
mozilla::css::Rule* aStyleRule);
|
|
void StyleRuleAdded(mozilla::StyleSheet* aStyleSheet,
|
|
mozilla::css::Rule* aStyleRule);
|
|
void StyleRuleRemoved(mozilla::StyleSheet* aStyleSheet,
|
|
mozilla::css::Rule* aStyleRule);
|
|
|
|
/**
|
|
* Flush notifications for this document and its parent documents
|
|
* (since those may affect the layout of this one).
|
|
*/
|
|
void FlushPendingNotifications(mozilla::FlushType aType);
|
|
|
|
/**
|
|
* Another variant of the above FlushPendingNotifications. This function
|
|
* takes a ChangesToFlush to specify whether throttled animations are flushed
|
|
* or not.
|
|
* If in doublt, use the above FlushPendingNotifications.
|
|
*/
|
|
void FlushPendingNotifications(mozilla::ChangesToFlush aFlush);
|
|
|
|
/**
|
|
* 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 >= FlushType::Style.
|
|
*/
|
|
void FlushExternalResources(mozilla::FlushType aType);
|
|
|
|
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);
|
|
|
|
/**
|
|
* 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);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void SetXMLDeclaration(const char16_t* aVersion,
|
|
const char16_t* aEncoding,
|
|
const int32_t aStandalone);
|
|
void GetXMLDeclaration(nsAString& aVersion,
|
|
nsAString& aEncoding,
|
|
nsAString& Standalone);
|
|
|
|
/**
|
|
* 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 IsHTMLDocument() const
|
|
{
|
|
return mType == eHTML;
|
|
}
|
|
bool IsHTMLOrXHTML() const
|
|
{
|
|
return mType == eHTML || mType == eXHTML;
|
|
}
|
|
bool IsXMLDocument() const
|
|
{
|
|
return !IsHTMLDocument();
|
|
}
|
|
bool IsSVGDocument() const
|
|
{
|
|
return mType == eSVG;
|
|
}
|
|
bool IsXULDocument() const
|
|
{
|
|
return mType == eXUL;
|
|
}
|
|
bool IsUnstyledDocument()
|
|
{
|
|
return IsLoadedAsData() || IsLoadedAsInteractiveData();
|
|
}
|
|
bool LoadsFullXULStyleSheetUpFront()
|
|
{
|
|
return IsXULDocument() || AllowXULXBL();
|
|
}
|
|
|
|
bool IsScriptEnabled();
|
|
|
|
bool IsTopLevelContentDocument() const { return mIsTopLevelContentDocument; }
|
|
void SetIsTopLevelContentDocument(bool aIsTopLevelContentDocument)
|
|
{
|
|
mIsTopLevelContentDocument = aIsTopLevelContentDocument;
|
|
// When a document is set as TopLevelContentDocument, it must be
|
|
// allowpaymentrequest. We handle the false case while a document is appended
|
|
// in SetSubDocumentFor
|
|
if (aIsTopLevelContentDocument) {
|
|
SetAllowPaymentRequest(true);
|
|
}
|
|
}
|
|
|
|
bool IsContentDocument() const { return mIsContentDocument; }
|
|
void SetIsContentDocument(bool aIsContentDocument)
|
|
{
|
|
mIsContentDocument = aIsContentDocument;
|
|
}
|
|
|
|
/**
|
|
* Create an element with the specified name, prefix and namespace ID.
|
|
* Returns null if element name parsing failed.
|
|
*/
|
|
already_AddRefed<Element> CreateElem(const nsAString& aName,
|
|
nsAtom* aPrefix,
|
|
int32_t aNamespaceID,
|
|
const nsAString* aIs = nullptr);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
nsIChannel* GetFailedChannel() const
|
|
{
|
|
return mFailedChannel;
|
|
}
|
|
|
|
/**
|
|
* Set the channel that failed to load and resulted in an error page.
|
|
* This is only relevant to error pages.
|
|
*/
|
|
void SetFailedChannel(nsIChannel* aChannel)
|
|
{
|
|
mFailedChannel = aChannel;
|
|
}
|
|
|
|
/**
|
|
* 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()
|
|
{
|
|
return mPropertyTable;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void Sanitize();
|
|
|
|
/**
|
|
* 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);
|
|
void EnumerateSubDocuments(nsSubDocEnumFunc aCallback, void *aData);
|
|
|
|
/**
|
|
* Collect all the descendant documents for which |aCalback| returns true.
|
|
* The callback function must not mutate any state for the given document.
|
|
*/
|
|
typedef bool (*nsDocTestFunc)(const nsIDocument* aDocument);
|
|
void CollectDescendantDocuments(
|
|
nsTArray<nsCOMPtr<nsIDocument>>& aDescendants,
|
|
nsDocTestFunc aCallback) const;
|
|
|
|
/**
|
|
* 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);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
already_AddRefed<nsILayoutHistoryState> GetLayoutHistoryState() const;
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
void UnblockDOMContentLoaded();
|
|
|
|
/**
|
|
* 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);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void OnPageHide(bool aPersisted,
|
|
mozilla::dom::EventTarget* aDispatchStartTarget);
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
void AddStyleRelevantLink(mozilla::dom::Link* aLink)
|
|
{
|
|
NS_ASSERTION(aLink, "Passing in a null link. Expect crashes RSN!");
|
|
#ifdef DEBUG
|
|
nsPtrHashKey<mozilla::dom::Link>* entry = mStyledLinks.GetEntry(aLink);
|
|
NS_ASSERTION(!entry, "Document already knows about this Link!");
|
|
mStyledLinksCleared = false;
|
|
#endif
|
|
mStyledLinks.PutEntry(aLink);
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void ForgetLink(mozilla::dom::Link* aLink)
|
|
{
|
|
NS_ASSERTION(aLink, "Passing in a null link. Expect crashes RSN!");
|
|
#ifdef DEBUG
|
|
nsPtrHashKey<mozilla::dom::Link>* entry = mStyledLinks.GetEntry(aLink);
|
|
NS_ASSERTION(entry || mStyledLinksCleared,
|
|
"Document knows nothing about this Link!");
|
|
#endif
|
|
mStyledLinks.RemoveEntry(aLink);
|
|
}
|
|
|
|
// Refreshes the hrefs of all the links in the document.
|
|
void RefreshLinkHrefs();
|
|
|
|
/**
|
|
* Resets and removes a box object from the document's box object cache
|
|
*
|
|
* @param aElement canonical nsIContent pointer of the box object's element
|
|
*/
|
|
void ClearBoxObjectFor(nsIContent* aContent);
|
|
|
|
/**
|
|
* Get the box object for an element. This is not exposed through a
|
|
* scriptable interface except for XUL documents.
|
|
*/
|
|
already_AddRefed<mozilla::dom::BoxObject>
|
|
GetBoxObjectFor(mozilla::dom::Element* aElement, mozilla::ErrorResult& aRv);
|
|
|
|
/**
|
|
* Support for window.matchMedia()
|
|
*/
|
|
|
|
already_AddRefed<mozilla::dom::MediaQueryList>
|
|
MatchMedia(const nsAString& aMediaQueryList,
|
|
mozilla::dom::CallerType aCallerType);
|
|
|
|
mozilla::LinkedList<mozilla::dom::MediaQueryList>& MediaQueryLists() {
|
|
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;
|
|
}
|
|
|
|
Element* GetAnonymousElementByAttribute(nsIContent* aElement,
|
|
nsAtom* aAttrName,
|
|
const nsAString& aAttrValue) const;
|
|
|
|
nsresult NodesFromRectHelper(float aX, float aY,
|
|
float aTopSize, float aRightSize,
|
|
float aBottomSize, float aLeftSize,
|
|
bool aIgnoreRootScrollFrame,
|
|
bool aFlushLayout,
|
|
nsINodeList** aReturn);
|
|
|
|
/**
|
|
* See FlushSkinBindings on nsBindingManager
|
|
*/
|
|
void FlushSkinBindings();
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* Returns whether this document is cookie averse. See
|
|
* https://html.spec.whatwg.org/multipage/dom.html#cookie-averse-document-object
|
|
*/
|
|
bool IsCookieAverse() const
|
|
{
|
|
// If we are a document that "has no browsing context."
|
|
if (!GetInnerWindow()) {
|
|
return true;
|
|
}
|
|
|
|
// If we are a document "whose URL's scheme is not a network scheme."
|
|
// NB: Explicitly allow file: URIs to store cookies.
|
|
nsCOMPtr<nsIURI> codebaseURI;
|
|
NodePrincipal()->GetURI(getter_AddRefs(codebaseURI));
|
|
|
|
if (!codebaseURI) {
|
|
return true;
|
|
}
|
|
|
|
nsAutoCString scheme;
|
|
codebaseURI->GetScheme(scheme);
|
|
return !scheme.EqualsLiteral("http") &&
|
|
!scheme.EqualsLiteral("https") &&
|
|
!scheme.EqualsLiteral("ftp") &&
|
|
!scheme.EqualsLiteral("file");
|
|
}
|
|
|
|
bool IsLoadedAsData()
|
|
{
|
|
return mLoadedAsData;
|
|
}
|
|
|
|
bool IsLoadedAsInteractiveData()
|
|
{
|
|
return mLoadedAsInteractiveData;
|
|
}
|
|
|
|
bool MayStartLayout()
|
|
{
|
|
return mMayStartLayout;
|
|
}
|
|
|
|
virtual void SetMayStartLayout(bool aMayStartLayout);
|
|
|
|
already_AddRefed<nsIDocumentEncoder> GetCachedEncoder();
|
|
|
|
void SetCachedEncoder(already_AddRefed<nsIDocumentEncoder> aEncoder);
|
|
|
|
// In case of failure, the document really can't initialize the frame loader.
|
|
nsresult InitializeFrameLoader(nsFrameLoader* aLoader);
|
|
// In case of failure, the caller must handle the error, for example by
|
|
// finalizing frame loader asynchronously.
|
|
nsresult FinalizeFrameLoader(nsFrameLoader* aLoader, nsIRunnable* aFinalizer);
|
|
// Removes the frame loader of aShell from the initialization list.
|
|
void TryCancelFrameLoaderInitialization(nsIDocShell* aShell);
|
|
|
|
/**
|
|
* 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 IsSVGGlyphsDocument() const
|
|
{
|
|
return mIsSVGGlyphsDocument;
|
|
}
|
|
|
|
void SetIsSVGGlyphsDocument()
|
|
{
|
|
mIsSVGGlyphsDocument = true;
|
|
}
|
|
|
|
bool IsResourceDoc() const {
|
|
return IsBeingUsedAsImage() || // Are we a helper-doc for an SVG image?
|
|
mHasDisplayDocument; // 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)
|
|
{
|
|
MOZ_ASSERT(!GetShell() &&
|
|
!GetContainer() &&
|
|
!GetWindow(),
|
|
"Shouldn't set mDisplayDocument on documents that already "
|
|
"have a presentation or a docshell or a window");
|
|
MOZ_ASSERT(aDisplayDocument, "Must not be null");
|
|
MOZ_ASSERT(aDisplayDocument != this, "Should be different document");
|
|
MOZ_ASSERT(!aDisplayDocument->GetDisplayDocument(),
|
|
"Display documents should not nest");
|
|
mDisplayDocument = aDisplayDocument;
|
|
mHasDisplayDocument = !!aDisplayDocument;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
nsIDocument* RequestExternalResource(nsIURI* aURI,
|
|
nsINode* aRequestingNode,
|
|
ExternalResourceLoad** aPendingLoad);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void EnumerateExternalResources(nsSubDocEnumFunc aCallback, void* aData);
|
|
|
|
nsExternalResourceMap& ExternalResourceMap()
|
|
{
|
|
return mExternalResourceMap;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
{
|
|
nsPIDOMWindowInner* inner = GetInnerWindow();
|
|
return inner && inner->IsCurrentInnerWindow() && inner->GetDoc() == this;
|
|
}
|
|
|
|
/**
|
|
* Returns whether this document should perform image loads.
|
|
*/
|
|
bool ShouldLoadImages() const
|
|
{
|
|
// We check IsBeingUsedAsImage() so that SVG documents loaded as
|
|
// images can themselves have data: URL image references.
|
|
return IsCurrentActiveDocument() || IsBeingUsedAsImage();
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
//
|
|
// If HasAnimationController is true, this is guaranteed to return non-null.
|
|
nsSMILAnimationController* GetAnimationController();
|
|
|
|
// Gets the tracker for animations that are waiting to start.
|
|
// Returns nullptr if there is no pending animation tracker for this document
|
|
// which will be the case if there have never been any CSS animations or
|
|
// transitions on elements in the document.
|
|
mozilla::PendingAnimationTracker* GetPendingAnimationTracker()
|
|
{
|
|
return mPendingAnimationTracker;
|
|
}
|
|
|
|
// Gets the tracker for animations that are waiting to start and
|
|
// creates it if it doesn't already exist. As a result, the return value
|
|
// will never be nullptr.
|
|
mozilla::PendingAnimationTracker* GetOrCreatePendingAnimationTracker();
|
|
|
|
/**
|
|
* Prevents user initiated events from being dispatched to the document and
|
|
* subdocuments.
|
|
*/
|
|
void SuppressEventHandling(uint32_t aIncrease = 1);
|
|
|
|
/**
|
|
* Unsuppress event handling.
|
|
* @param aFireEvents If true, delayed events (focus/blur) will be fired
|
|
* asynchronously.
|
|
*/
|
|
void UnsuppressEventHandlingAndFireEvents(bool aFireEvents);
|
|
|
|
uint32_t EventHandlingSuppressed() const { return mEventsSuppressed; }
|
|
|
|
bool IsEventHandlingEnabled() {
|
|
return !EventHandlingSuppressed() && mScriptGlobalObject;
|
|
}
|
|
|
|
void DecreaseEventSuppression()
|
|
{
|
|
MOZ_ASSERT(mEventsSuppressed);
|
|
--mEventsSuppressed;
|
|
UpdateFrameRequestCallbackSchedulingState();
|
|
}
|
|
|
|
/**
|
|
* Increment https://html.spec.whatwg.org/#ignore-destructive-writes-counter
|
|
*/
|
|
void IncrementIgnoreDestructiveWritesCounter() { ++mIgnoreDestructiveWritesCounter; }
|
|
|
|
/**
|
|
* Decrement https://html.spec.whatwg.org/#ignore-destructive-writes-counter
|
|
*/
|
|
void DecrementIgnoreDestructiveWritesCounter() { --mIgnoreDestructiveWritesCounter; }
|
|
|
|
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.
|
|
*/
|
|
nsIDocument* GetTemplateContentsOwner();
|
|
|
|
/**
|
|
* Returns true if this document is a static clone of a normal document.
|
|
*
|
|
* We create static clones for print preview and printing (possibly other
|
|
* things in future).
|
|
*
|
|
* Note that static documents are also "loaded as data" (if this method
|
|
* returns true, IsLoadedAsData() will also return true).
|
|
*/
|
|
bool IsStaticDocument() { return mIsStaticDocument; }
|
|
|
|
/**
|
|
* Clones the document along with any subdocuments, stylesheet, etc.
|
|
*
|
|
* The resulting document and everything it contains (including any
|
|
* sub-documents) are created purely via cloning. The returned documents and
|
|
* any sub-documents are "loaded as data" documents to preserve the state as
|
|
* it was during the clone process (we don't want external resources to load
|
|
* and replace the cloned resources).
|
|
*
|
|
* @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;
|
|
}
|
|
|
|
/**
|
|
* If this document is a static clone, let the original document know that
|
|
* we're going away and then release our reference to it.
|
|
*/
|
|
void UnlinkOriginalDocumentIfStatic();
|
|
|
|
/**
|
|
* These are called by the parser as it encounters <picture> tags, the end of
|
|
* said tags, and possible picture <source srcset> sources respectively. These
|
|
* are used to inform ResolvePreLoadImage() calls. Unset attributes are
|
|
* expected to be marked void.
|
|
*
|
|
* NOTE that the parser does not attempt to track the current picture nesting
|
|
* level or whether the given <source> tag is within a picture -- it is only
|
|
* guaranteed to order these calls properly with respect to
|
|
* ResolvePreLoadImage.
|
|
*/
|
|
|
|
void PreloadPictureOpened()
|
|
{
|
|
mPreloadPictureDepth++;
|
|
}
|
|
|
|
void PreloadPictureClosed();
|
|
|
|
void PreloadPictureImageSource(const nsAString& aSrcsetAttr,
|
|
const nsAString& aSizesAttr,
|
|
const nsAString& aTypeAttr,
|
|
const nsAString& aMediaAttr);
|
|
|
|
/**
|
|
* Called by the parser to resolve an image for preloading. The parser will
|
|
* call the PreloadPicture* functions to inform us of possible <picture>
|
|
* nesting and possible sources, which are used to inform URL selection
|
|
* responsive <picture> or <img srcset> images. Unset attributes are expected
|
|
* to be marked void.
|
|
* If this image is for <picture> or <img srcset>, aIsImgSet will be set to
|
|
* true, false otherwise.
|
|
*/
|
|
already_AddRefed<nsIURI>
|
|
ResolvePreloadImage(nsIURI *aBaseURI,
|
|
const nsAString& aSrcAttr,
|
|
const nsAString& aSrcsetAttr,
|
|
const nsAString& aSizesAttr,
|
|
bool *aIsImgSet);
|
|
/**
|
|
* 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.
|
|
* aIsImgSet is the value got from calling ResolvePreloadImage, it is true
|
|
* when this image is for loading <picture> or <img srcset> images.
|
|
*/
|
|
void MaybePreLoadImage(nsIURI* uri,
|
|
const nsAString& aCrossOriginAttr,
|
|
ReferrerPolicyEnum aReferrerPolicy,
|
|
bool aIsImgSet);
|
|
|
|
/**
|
|
* Called by images to forget an image preload when they start doing
|
|
* the real load.
|
|
*/
|
|
void ForgetImagePreload(nsIURI* aURI);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
void PreloadStyle(nsIURI* aURI,
|
|
const mozilla::Encoding* aEncoding,
|
|
const nsAString& aCrossOriginAttr,
|
|
ReferrerPolicyEnum aReferrerPolicy,
|
|
const nsAString& aIntegrity);
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
nsresult LoadChromeSheetSync(nsIURI* aURI, bool aIsAgentSheet,
|
|
RefPtr<mozilla::StyleSheet>* aSheet);
|
|
|
|
/**
|
|
* 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; }
|
|
|
|
/**
|
|
* Called by Parser for link rel=preconnect
|
|
*/
|
|
void MaybePreconnect(nsIURI* uri, mozilla::CORSMode aCORSMode);
|
|
|
|
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 DocumentTheme GetDocumentLWTheme() { return Doc_Theme_None; }
|
|
virtual DocumentTheme ThreadSafeGetDocumentLWTheme() const { return Doc_Theme_None; }
|
|
|
|
/**
|
|
* Returns the document state.
|
|
* Document state bits have the form NS_DOCUMENT_STATE_* and are declared in
|
|
* nsIDocument.h.
|
|
*/
|
|
mozilla::EventStates GetDocumentState() const
|
|
{
|
|
return mDocumentState;
|
|
}
|
|
|
|
nsISupports* GetCurrentContentSink();
|
|
|
|
void SetAutoFocusElement(Element* aAutoFocusElement);
|
|
void TriggerAutoFocus();
|
|
|
|
void SetScrollToRef(nsIURI* aDocumentURI);
|
|
void ScrollToRef();
|
|
void ResetScrolledToRefAlready()
|
|
{
|
|
mScrolledToRefAlready = false;
|
|
}
|
|
|
|
void SetChangeScrollPosWhenScrollingToRef(bool aValue)
|
|
{
|
|
mChangeScrollPosWhenScrollingToRef = aValue;
|
|
}
|
|
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementById;
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementsByTagName;
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementsByTagNameNS;
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementsByClassName;
|
|
|
|
/**
|
|
* 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|
|
|
*/
|
|
Element* LookupImageElement(const nsAString& aElementId);
|
|
|
|
mozilla::dom::DocumentTimeline* Timeline();
|
|
mozilla::LinkedList<mozilla::dom::DocumentTimeline>& Timelines()
|
|
{
|
|
return mTimelines;
|
|
}
|
|
|
|
void GetAnimations(nsTArray<RefPtr<mozilla::dom::Animation>>& aAnimations);
|
|
|
|
mozilla::dom::SVGSVGElement* GetSVGRootElement() const;
|
|
|
|
nsresult ScheduleFrameRequestCallback(mozilla::dom::FrameRequestCallback& aCallback,
|
|
int32_t *aHandle);
|
|
void CancelFrameRequestCallback(int32_t aHandle);
|
|
|
|
typedef nsTArray<RefPtr<mozilla::dom::FrameRequestCallback>> FrameRequestCallbackList;
|
|
/**
|
|
* Put this document's frame request callbacks into the provided
|
|
* list, and forget about them.
|
|
*/
|
|
void TakeFrameRequestCallbacks(FrameRequestCallbackList& aCallbacks);
|
|
|
|
/**
|
|
* @return true if this document's frame request callbacks should be
|
|
* throttled. We throttle requestAnimationFrame for documents which aren't
|
|
* visible (e.g. scrolled out of the viewport).
|
|
*/
|
|
bool ShouldThrottleFrameRequests();
|
|
|
|
// This returns true when the document tree is being teared down.
|
|
bool InUnlinkOrDeletion() { return mInUnlinkOrDeletion; }
|
|
|
|
mozilla::dom::ImageTracker* ImageTracker();
|
|
|
|
// AddPlugin adds a plugin-related element to mPlugins when the element is
|
|
// added to the tree.
|
|
void AddPlugin(nsIObjectLoadingContent* aPlugin)
|
|
{
|
|
MOZ_ASSERT(aPlugin);
|
|
mPlugins.PutEntry(aPlugin);
|
|
}
|
|
|
|
// RemovePlugin removes a plugin-related element to mPlugins when the
|
|
// element is removed from the tree.
|
|
void RemovePlugin(nsIObjectLoadingContent* aPlugin)
|
|
{
|
|
MOZ_ASSERT(aPlugin);
|
|
mPlugins.RemoveEntry(aPlugin);
|
|
}
|
|
|
|
// GetPlugins returns the plugin-related elements from
|
|
// the frame and any subframes.
|
|
void GetPlugins(nsTArray<nsIObjectLoadingContent*>& aPlugins);
|
|
|
|
// Adds an element to mResponsiveContent when the element is
|
|
// added to the tree.
|
|
void AddResponsiveContent(mozilla::dom::HTMLImageElement* aContent)
|
|
{
|
|
MOZ_ASSERT(aContent);
|
|
mResponsiveContent.PutEntry(aContent);
|
|
}
|
|
|
|
// Removes an element from mResponsiveContent when the element is
|
|
// removed from the tree.
|
|
void RemoveResponsiveContent(mozilla::dom::HTMLImageElement* aContent)
|
|
{
|
|
MOZ_ASSERT(aContent);
|
|
mResponsiveContent.RemoveEntry(aContent);
|
|
}
|
|
|
|
void AddComposedDocShadowRoot(mozilla::dom::ShadowRoot& aShadowRoot)
|
|
{
|
|
MOZ_ASSERT(IsShadowDOMEnabled());
|
|
mComposedShadowRoots.PutEntry(&aShadowRoot);
|
|
}
|
|
|
|
using ShadowRootSet = nsTHashtable<nsPtrHashKey<mozilla::dom::ShadowRoot>>;
|
|
|
|
void RemoveComposedDocShadowRoot(mozilla::dom::ShadowRoot& aShadowRoot)
|
|
{
|
|
MOZ_ASSERT(IsShadowDOMEnabled());
|
|
mComposedShadowRoots.RemoveEntry(&aShadowRoot);
|
|
}
|
|
|
|
// If you're considering using this, you probably want to use
|
|
// ShadowRoot::IsComposedDocParticipant instead. This is just for
|
|
// sanity-checking.
|
|
bool IsComposedDocShadowRoot(mozilla::dom::ShadowRoot& aShadowRoot)
|
|
{
|
|
return mComposedShadowRoots.Contains(&aShadowRoot);
|
|
}
|
|
|
|
const ShadowRootSet& ComposedShadowRoots() const
|
|
{
|
|
return mComposedShadowRoots;
|
|
}
|
|
|
|
// Notifies any responsive content added by AddResponsiveContent upon media
|
|
// features values changing.
|
|
void NotifyMediaFeatureValuesChanged();
|
|
|
|
nsresult GetStateObject(nsIVariant** aResult);
|
|
|
|
nsDOMNavigationTiming* GetNavigationTiming() const
|
|
{
|
|
return mTiming;
|
|
}
|
|
|
|
void SetNavigationTiming(nsDOMNavigationTiming* aTiming);
|
|
|
|
Element* FindImageMap(const nsAString& aNormalizedMapName);
|
|
|
|
// Add aLink to the set of links that need their status resolved.
|
|
void RegisterPendingLinkUpdate(mozilla::dom::Link* aLink);
|
|
|
|
// Update state on links in mLinksToUpdate. This function must be called
|
|
// prior to selector matching that needs to differentiate between :link and
|
|
// :visited. In particular, it does _not_ need to be called before doing any
|
|
// selector matching that uses TreeMatchContext::eNeverMatchVisited. The only
|
|
// reason we haven't moved all calls to this function entirely inside the
|
|
// TreeMatchContext constructor is to not call it all the time during various
|
|
// style system and frame construction operations (though it would likely be a
|
|
// no-op for all but the first call).
|
|
//
|
|
// XXXbz Does this really need to be called before selector matching? All it
|
|
// will do is ensure all the links involved are registered to observe history,
|
|
// which won't synchronously change their state to :visited anyway! So
|
|
// calling this won't affect selector matching done immediately afterward, as
|
|
// far as I can tell.
|
|
void FlushPendingLinkUpdates();
|
|
|
|
void FlushPendingLinkUpdatesFromRunnable();
|
|
|
|
#define DEPRECATED_OPERATION(_op) e##_op,
|
|
enum DeprecatedOperations {
|
|
#include "nsDeprecatedOperationList.h"
|
|
eDeprecatedOperationCount
|
|
};
|
|
#undef DEPRECATED_OPERATION
|
|
bool HasWarnedAbout(DeprecatedOperations aOperation) const;
|
|
void WarnOnceAbout(DeprecatedOperations aOperation,
|
|
bool asError = false) const;
|
|
|
|
#define DOCUMENT_WARNING(_op) e##_op,
|
|
enum DocumentWarnings {
|
|
#include "nsDocumentWarningList.h"
|
|
eDocumentWarningCount
|
|
};
|
|
#undef DOCUMENT_WARNING
|
|
bool HasWarnedAbout(DocumentWarnings aWarning) const;
|
|
void WarnOnceAbout(DocumentWarnings aWarning,
|
|
bool asError = false,
|
|
const char16_t **aParams = nullptr,
|
|
uint32_t aParamsLength = 0) const;
|
|
|
|
// Posts an event to call UpdateVisibilityState
|
|
void PostVisibilityUpdateEvent();
|
|
|
|
bool IsSyntheticDocument() const { return mIsSyntheticDocument; }
|
|
|
|
// 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 MayHaveAnimationObservers()
|
|
{
|
|
return mMayHaveAnimationObservers;
|
|
}
|
|
|
|
void SetMayHaveAnimationObservers()
|
|
{
|
|
mMayHaveAnimationObservers = 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(nsAtom* aTag);
|
|
|
|
// WebIDL API
|
|
nsIGlobalObject* GetParentObject() const
|
|
{
|
|
return GetScopeObject();
|
|
}
|
|
static already_AddRefed<nsIDocument>
|
|
Constructor(const GlobalObject& aGlobal,
|
|
mozilla::ErrorResult& rv);
|
|
mozilla::dom::DOMImplementation* GetImplementation(mozilla::ErrorResult& rv);
|
|
MOZ_MUST_USE nsresult GetURL(nsString& retval) const;
|
|
MOZ_MUST_USE nsresult 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,
|
|
mozilla::dom::CallerType aCallerType,
|
|
mozilla::ErrorResult& aRv) 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 {
|
|
eConnected,
|
|
eDisconnected,
|
|
eAdopted,
|
|
eAttributeChanged
|
|
};
|
|
|
|
nsIDocument* GetTopLevelContentDocument();
|
|
|
|
already_AddRefed<Element>
|
|
CreateElement(const nsAString& aTagName,
|
|
const mozilla::dom::ElementCreationOptionsOrString& aOptions,
|
|
mozilla::ErrorResult& rv);
|
|
already_AddRefed<Element>
|
|
CreateElementNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aQualifiedName,
|
|
const mozilla::dom::ElementCreationOptionsOrString& aOptions,
|
|
mozilla::ErrorResult& rv);
|
|
already_AddRefed<mozilla::dom::DocumentFragment>
|
|
CreateDocumentFragment() const;
|
|
already_AddRefed<nsTextNode> CreateTextNode(const nsAString& aData) const;
|
|
already_AddRefed<nsTextNode> CreateEmptyTextNode() 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::dom::CallerType aCallerType,
|
|
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::TreeWalker>
|
|
CreateTreeWalker(nsINode& aRoot, uint32_t aWhatToShow,
|
|
mozilla::dom::NodeFilter* 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) const;
|
|
already_AddRefed<mozilla::dom::Location> GetLocation() const;
|
|
void GetReferrer(nsAString& aReferrer) const;
|
|
void GetLastModified(nsAString& aLastModified) const;
|
|
void GetReadyState(nsAString& aReadyState) const;
|
|
|
|
already_AddRefed<mozilla::dom::AboutCapabilities> GetAboutCapabilities(
|
|
ErrorResult& aRv);
|
|
|
|
void GetTitle(nsAString& aTitle);
|
|
void SetTitle(const nsAString& aTitle, mozilla::ErrorResult& rv);
|
|
void GetDir(nsAString& aDirection) const;
|
|
void SetDir(const nsAString& aDirection);
|
|
nsIHTMLCollection* Images();
|
|
nsIHTMLCollection* Embeds();
|
|
nsIHTMLCollection* Plugins()
|
|
{
|
|
return Embeds();
|
|
}
|
|
nsIHTMLCollection* Links();
|
|
nsIHTMLCollection* Forms();
|
|
nsIHTMLCollection* Scripts();
|
|
already_AddRefed<nsContentList> GetElementsByName(const nsAString& aName)
|
|
{
|
|
return GetFuncStringContentList<nsCachableElementsByNameNodeList>(this,
|
|
MatchNameAttribute,
|
|
nullptr,
|
|
UseExistingNameString,
|
|
aName);
|
|
}
|
|
nsPIDOMWindowOuter* GetDefaultView() const
|
|
{
|
|
return GetWindow();
|
|
}
|
|
Element* GetActiveElement();
|
|
bool HasFocus(mozilla::ErrorResult& rv) const;
|
|
nsIHTMLCollection* Applets();
|
|
nsIHTMLCollection* Anchors();
|
|
mozilla::TimeStamp LastFocusTime() const;
|
|
void SetLastFocusTime(const mozilla::TimeStamp& aFocusTime);
|
|
// Event handlers are all on nsINode already
|
|
bool MozSyntheticDocument() const
|
|
{
|
|
return IsSyntheticDocument();
|
|
}
|
|
Element* GetCurrentScript();
|
|
void ReleaseCapture() const;
|
|
void MozSetImageElement(const nsAString& aImageElementId, Element* aElement);
|
|
nsIURI* GetDocumentURIObject() const;
|
|
// Not const because all the full-screen goop is not const
|
|
bool FullscreenEnabled(mozilla::dom::CallerType aCallerType);
|
|
Element* FullScreenStackTop();
|
|
bool Fullscreen()
|
|
{
|
|
return !!GetFullscreenElement();
|
|
}
|
|
void ExitFullscreen();
|
|
void ExitPointerLock()
|
|
{
|
|
UnlockPointer(this);
|
|
}
|
|
|
|
static bool IsUnprefixedFullscreenEnabled(JSContext* aCx, JSObject* aObject);
|
|
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
bool Hidden() const
|
|
{
|
|
return mVisibilityState != mozilla::dom::VisibilityState::Visible;
|
|
}
|
|
mozilla::dom::VisibilityState VisibilityState() const
|
|
{
|
|
return mVisibilityState;
|
|
}
|
|
#endif
|
|
void GetSelectedStyleSheetSet(nsAString& aSheetSet);
|
|
void SetSelectedStyleSheetSet(const nsAString& aSheetSet);
|
|
void GetLastStyleSheetSet(nsAString& aSheetSet)
|
|
{
|
|
aSheetSet = mLastStyleSheetSet;
|
|
}
|
|
const nsString& GetCurrentStyleSheetSet() const
|
|
{
|
|
return mLastStyleSheetSet.IsEmpty()
|
|
? mPreferredStyleSheetSet
|
|
: mLastStyleSheetSet;
|
|
}
|
|
void SetPreferredStyleSheetSet(const nsAString&);
|
|
void GetPreferredStyleSheetSet(nsAString& aSheetSet)
|
|
{
|
|
aSheetSet = mPreferredStyleSheetSet;
|
|
}
|
|
mozilla::dom::DOMStringList* StyleSheetSets();
|
|
void EnableStyleSheetsForSet(const nsAString& aSheetSet);
|
|
|
|
/**
|
|
* 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);
|
|
|
|
Element* GetScrollingElement();
|
|
// A way to check whether a given element is what would get returned from
|
|
// GetScrollingElement. It can be faster than comparing to the return value
|
|
// of GetScrollingElement() due to being able to avoid flushes in various
|
|
// cases. This method assumes that null is NOT passed.
|
|
bool IsScrollingElement(Element* aElement);
|
|
|
|
// 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,
|
|
nsIPrincipal& aSubjectPrincipal,
|
|
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(nsGlobalWindowInner* 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::OwningNonNull<mozilla::dom::Touch> >& aTouches);
|
|
already_AddRefed<mozilla::dom::TouchList>
|
|
CreateTouchList(const mozilla::dom::Sequence<mozilla::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);
|
|
|
|
already_AddRefed<mozilla::dom::Promise> BlockParsing(mozilla::dom::Promise& aPromise,
|
|
const mozilla::dom::BlockParsingOptions& aOptions,
|
|
mozilla::ErrorResult& aRv);
|
|
|
|
already_AddRefed<nsIURI> GetMozDocumentURIIfNotForErrorPages();
|
|
|
|
mozilla::dom::Promise* GetDocumentReadyForIdle(mozilla::ErrorResult& aRv);
|
|
|
|
// ParentNode
|
|
nsIHTMLCollection* Children();
|
|
uint32_t ChildElementCount();
|
|
|
|
/**
|
|
* Asserts IsHTMLOrXHTML, and can't return null.
|
|
* Defined inline in nsHTMLDocument.h
|
|
*/
|
|
inline nsHTMLDocument* AsHTMLDocument();
|
|
|
|
/**
|
|
* Asserts IsSVGDocument, and can't return null.
|
|
* Defined inline in SVGDocument.h
|
|
*/
|
|
inline mozilla::dom::SVGDocument* AsSVGDocument();
|
|
|
|
/**
|
|
* Asserts IsXULDocument, and can't return null.
|
|
* Defined inline in XULDocument.h
|
|
*/
|
|
inline mozilla::dom::XULDocument* AsXULDocument();
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|
|
gfxUserFontSet* GetUserFontSet(bool aFlushUserFontSet = true);
|
|
void FlushUserFontSet();
|
|
void MarkUserFontSetDirty();
|
|
mozilla::dom::FontFaceSet* GetFonts() { return mFontFaceSet; }
|
|
|
|
// FontFaceSource
|
|
mozilla::dom::FontFaceSet* Fonts();
|
|
|
|
bool DidFireDOMContentLoaded() const { return mDidFireDOMContentLoaded; }
|
|
|
|
bool IsSynthesized();
|
|
|
|
enum class UseCounterReportKind {
|
|
// Flush the document's use counters only; the use counters for any
|
|
// external resource documents will be flushed when the external
|
|
// resource documents themselves are destroyed.
|
|
eDefault,
|
|
|
|
// Flush use counters for the document and for its external resource
|
|
// documents. (Should only be necessary for tests, where we need
|
|
// flushing to happen synchronously and deterministically.)
|
|
eIncludeExternalResources,
|
|
};
|
|
|
|
void ReportUseCounters(UseCounterReportKind aKind = UseCounterReportKind::eDefault);
|
|
|
|
void SetDocumentUseCounter(mozilla::UseCounter aUseCounter)
|
|
{
|
|
if (!mUseCounters[aUseCounter]) {
|
|
mUseCounters[aUseCounter] = true;
|
|
}
|
|
}
|
|
|
|
void SetPageUseCounter(mozilla::UseCounter aUseCounter);
|
|
|
|
void SetDocumentAndPageUseCounter(mozilla::UseCounter aUseCounter)
|
|
{
|
|
SetDocumentUseCounter(aUseCounter);
|
|
SetPageUseCounter(aUseCounter);
|
|
}
|
|
|
|
void PropagateUseCounters(nsIDocument* aParentDocument);
|
|
|
|
void SetDocumentIncCounter(mozilla::IncCounter aIncCounter, uint32_t inc = 1)
|
|
{
|
|
mIncCounters[aIncCounter] += inc;
|
|
}
|
|
|
|
void SetUserHasInteracted(bool aUserHasInteracted);
|
|
bool UserHasInteracted()
|
|
{
|
|
return mUserHasInteracted;
|
|
}
|
|
|
|
// This would be called when document get activated by specific user gestures
|
|
// and propagate the user activation flag to its parent.
|
|
void NotifyUserActivation();
|
|
|
|
// Return true if document has interacted by specific user gestures.
|
|
bool HasBeenUserActivated();
|
|
|
|
bool HasScriptsBlockedBySandbox();
|
|
|
|
bool InlineScriptAllowedByCSP();
|
|
|
|
void ReportHasScrollLinkedEffect();
|
|
bool HasScrollLinkedEffect() const
|
|
{
|
|
return mHasScrollLinkedEffect;
|
|
}
|
|
|
|
mozilla::dom::DocGroup* GetDocGroup() const;
|
|
|
|
void AddIntersectionObserver(mozilla::dom::DOMIntersectionObserver* aObserver)
|
|
{
|
|
MOZ_ASSERT(!mIntersectionObservers.Contains(aObserver),
|
|
"Intersection observer already in the list");
|
|
mIntersectionObservers.PutEntry(aObserver);
|
|
}
|
|
|
|
void RemoveIntersectionObserver(mozilla::dom::DOMIntersectionObserver* aObserver)
|
|
{
|
|
mIntersectionObservers.RemoveEntry(aObserver);
|
|
}
|
|
|
|
bool HasIntersectionObservers() const
|
|
{
|
|
return !mIntersectionObservers.IsEmpty();
|
|
}
|
|
|
|
void UpdateIntersectionObservations();
|
|
void ScheduleIntersectionObserverNotification();
|
|
void NotifyIntersectionObservers();
|
|
|
|
// Dispatch a runnable related to the document.
|
|
nsresult Dispatch(mozilla::TaskCategory aCategory,
|
|
already_AddRefed<nsIRunnable>&& aRunnable) final;
|
|
|
|
virtual nsISerialEventTarget*
|
|
EventTargetFor(mozilla::TaskCategory aCategory) const override;
|
|
|
|
virtual mozilla::AbstractThread*
|
|
AbstractMainThreadFor(mozilla::TaskCategory aCategory) override;
|
|
|
|
// The URLs passed to these functions should match what
|
|
// JS::DescribeScriptedCaller() returns, since these APIs are used to
|
|
// determine whether some code is being called from a tracking script.
|
|
void NoteScriptTrackingStatus(const nsACString& aURL, bool isTracking);
|
|
bool IsScriptTracking(const nsACString& aURL) const;
|
|
|
|
// For more information on Flash classification, see
|
|
// toolkit/components/url-classifier/flash-block-lists.rst
|
|
mozilla::dom::FlashClassification DocumentFlashClassification();
|
|
bool IsThirdParty();
|
|
|
|
bool IsScopedStyleEnabled();
|
|
|
|
nsINode* GetServoRestyleRoot() const
|
|
{
|
|
return mServoRestyleRoot;
|
|
}
|
|
|
|
uint32_t GetServoRestyleRootDirtyBits() const
|
|
{
|
|
MOZ_ASSERT(mServoRestyleRoot);
|
|
MOZ_ASSERT(mServoRestyleRootDirtyBits);
|
|
return mServoRestyleRootDirtyBits;
|
|
}
|
|
|
|
void ClearServoRestyleRoot()
|
|
{
|
|
mServoRestyleRoot = nullptr;
|
|
mServoRestyleRootDirtyBits = 0;
|
|
}
|
|
|
|
inline void SetServoRestyleRoot(nsINode* aRoot, uint32_t aDirtyBits);
|
|
inline void SetServoRestyleRootDirtyBits(uint32_t aDirtyBits);
|
|
|
|
bool ShouldThrowOnDynamicMarkupInsertion()
|
|
{
|
|
return mThrowOnDynamicMarkupInsertionCounter;
|
|
}
|
|
|
|
void IncrementThrowOnDynamicMarkupInsertionCounter()
|
|
{
|
|
++mThrowOnDynamicMarkupInsertionCounter;
|
|
}
|
|
|
|
void DecrementThrowOnDynamicMarkupInsertionCounter()
|
|
{
|
|
MOZ_ASSERT(mThrowOnDynamicMarkupInsertionCounter);
|
|
--mThrowOnDynamicMarkupInsertionCounter;
|
|
}
|
|
|
|
bool ShouldIgnoreOpens() const
|
|
{
|
|
return mIgnoreOpensDuringUnloadCounter;
|
|
}
|
|
|
|
void IncrementIgnoreOpensDuringUnloadCounter()
|
|
{
|
|
++mIgnoreOpensDuringUnloadCounter;
|
|
}
|
|
|
|
void DecrementIgnoreOpensDuringUnloadCounter()
|
|
{
|
|
MOZ_ASSERT(mIgnoreOpensDuringUnloadCounter);
|
|
--mIgnoreOpensDuringUnloadCounter;
|
|
}
|
|
|
|
bool AllowPaymentRequest() const
|
|
{
|
|
return mAllowPaymentRequest;
|
|
}
|
|
|
|
void SetAllowPaymentRequest(bool aAllowPaymentRequest)
|
|
{
|
|
mAllowPaymentRequest = aAllowPaymentRequest;
|
|
}
|
|
|
|
bool IsShadowDOMEnabled() const
|
|
{
|
|
return mIsShadowDOMEnabled;
|
|
}
|
|
|
|
bool ModuleScriptsEnabled();
|
|
|
|
/**
|
|
* Find the (non-anonymous) content in this document for aFrame. It will
|
|
* be aFrame's content node if that content is in this document and not
|
|
* anonymous. Otherwise, when aFrame is in a subdocument, we use the frame
|
|
* element containing the subdocument containing aFrame, and/or find the
|
|
* nearest non-anonymous ancestor in this document.
|
|
* Returns null if there is no such element.
|
|
*/
|
|
nsIContent* GetContentInThisDocument(nsIFrame* aFrame) const;
|
|
|
|
void ReportShadowDOMUsage();
|
|
|
|
protected:
|
|
already_AddRefed<nsIPrincipal> MaybeDowngradePrincipal(nsIPrincipal* aPrincipal);
|
|
|
|
void EnsureOnloadBlocker();
|
|
|
|
void SendToConsole(nsCOMArray<nsISecurityConsoleMessage>& aMessages);
|
|
|
|
// Returns true if the scheme for the url for this document is "about".
|
|
bool IsAboutPage() const;
|
|
|
|
bool ContainsEMEContent();
|
|
bool ContainsMSEContent();
|
|
|
|
void MaybeInitializeFinalizeFrameLoaders();
|
|
|
|
/**
|
|
* Returns the title element of the document as defined by the HTML
|
|
* specification, or null if there isn't one. For documents whose root
|
|
* element is an <svg:svg>, this is the first <svg:title> element that's a
|
|
* child of the root. For other documents, it's the first HTML title element
|
|
* in the document.
|
|
*/
|
|
Element* GetTitleElement();
|
|
|
|
// Retrieves the classification of the Flash plugins in the document based on
|
|
// the classification lists.
|
|
mozilla::dom::FlashClassification PrincipalFlashClassification();
|
|
|
|
// Attempts to determine the Flash classification of this page based on the
|
|
// the classification lists and the classification of parent documents.
|
|
mozilla::dom::FlashClassification ComputeFlashClassification();
|
|
|
|
void RecordNavigationTiming(ReadyState aReadyState);
|
|
|
|
// This method may fire a DOM event; if it does so it will happen
|
|
// synchronously.
|
|
void UpdateVisibilityState();
|
|
|
|
// Recomputes the visibility state but doesn't set the new value.
|
|
mozilla::dom::VisibilityState ComputeVisibilityState() const;
|
|
|
|
// Since we wouldn't automatically play media from non-visited page, we need
|
|
// to notify window when the page was first visited.
|
|
void MaybeActiveMediaComponents();
|
|
|
|
// Apply the fullscreen state to the document, and trigger related
|
|
// events. It returns false if the fullscreen element ready check
|
|
// fails and nothing gets changed.
|
|
bool ApplyFullscreen(const FullscreenRequest& aRequest);
|
|
|
|
bool GetUseCounter(mozilla::UseCounter aUseCounter)
|
|
{
|
|
return mUseCounters[aUseCounter];
|
|
}
|
|
|
|
void SetChildDocumentUseCounter(mozilla::UseCounter aUseCounter)
|
|
{
|
|
if (!mChildDocumentUseCounters[aUseCounter]) {
|
|
mChildDocumentUseCounters[aUseCounter] = true;
|
|
}
|
|
}
|
|
|
|
bool GetChildDocumentUseCounter(mozilla::UseCounter aUseCounter)
|
|
{
|
|
return mChildDocumentUseCounters[aUseCounter];
|
|
}
|
|
|
|
void UpdateDocumentStates(mozilla::EventStates);
|
|
|
|
void AddOnDemandBuiltInUASheet(mozilla::StyleSheet* aSheet);
|
|
void RemoveDocStyleSheetsFromStyleSets();
|
|
void RemoveStyleSheetsFromStyleSets(
|
|
const nsTArray<RefPtr<mozilla::StyleSheet>>& aSheets,
|
|
mozilla::SheetType aType);
|
|
void ResetStylesheetsToURI(nsIURI* aURI);
|
|
void FillStyleSet(mozilla::ServoStyleSet* aStyleSet);
|
|
void AddStyleSheetToStyleSets(mozilla::StyleSheet* aSheet);
|
|
void RemoveStyleSheetFromStyleSets(mozilla::StyleSheet* aSheet);
|
|
void NotifyStyleSheetAdded(mozilla::StyleSheet* aSheet, bool aDocumentSheet);
|
|
void NotifyStyleSheetRemoved(mozilla::StyleSheet* aSheet, bool aDocumentSheet);
|
|
void NotifyStyleSheetApplicableStateChanged();
|
|
// Just like EnableStyleSheetsForSet, but doesn't check whether
|
|
// aSheetSet is null and allows the caller to control whether to set
|
|
// aSheetSet as the preferred set in the CSSLoader.
|
|
void EnableStyleSheetsForSetInternal(const nsAString& aSheetSet,
|
|
bool aUpdateCSSLoader);
|
|
|
|
private:
|
|
mutable std::bitset<eDeprecatedOperationCount> mDeprecationWarnedAbout;
|
|
mutable std::bitset<eDocumentWarningCount> mDocWarningWarnedAbout;
|
|
|
|
// Lazy-initialization to have mDocGroup initialized in prior to the
|
|
// SelectorCaches.
|
|
mozilla::UniquePtr<SelectorCache> mSelectorCache;
|
|
|
|
protected:
|
|
friend class nsDocumentOnStack;
|
|
|
|
void IncreaseStackRefCnt()
|
|
{
|
|
++mStackRefCnt;
|
|
}
|
|
|
|
void DecreaseStackRefCnt()
|
|
{
|
|
if (--mStackRefCnt == 0 && mNeedsReleaseAfterStackRefCntRelease) {
|
|
mNeedsReleaseAfterStackRefCntRelease = false;
|
|
NS_RELEASE_THIS();
|
|
}
|
|
}
|
|
|
|
~nsIDocument();
|
|
|
|
// Never ever call this. Only call GetWindow!
|
|
nsPIDOMWindowOuter* GetWindowInternal() const;
|
|
|
|
// Never ever call this. Only call GetScriptHandlingObject!
|
|
nsIScriptGlobalObject* GetScriptHandlingObjectInternal() const;
|
|
|
|
// Never ever call this. Only call AllowXULXBL!
|
|
bool InternalAllowXULXBL();
|
|
|
|
/**
|
|
* These methods should be called before and after dispatching
|
|
* a mutation event.
|
|
* To make this easy and painless, use the mozAutoSubtreeModified helper class.
|
|
*/
|
|
void WillDispatchMutationEvent(nsINode* aTarget);
|
|
void MutationEventDispatched(nsINode* aTarget);
|
|
friend class mozAutoSubtreeModified;
|
|
|
|
virtual Element* GetNameSpaceElement() override
|
|
{
|
|
return GetRootElement();
|
|
}
|
|
|
|
void SetContentTypeInternal(const nsACString& aType);
|
|
|
|
nsCString GetContentTypeInternal() const
|
|
{
|
|
return mContentType;
|
|
}
|
|
|
|
mozilla::dom::XPathEvaluator* XPathEvaluator();
|
|
|
|
// Update our frame request callback scheduling state, if needed. This will
|
|
// schedule or unschedule them, if necessary, and update
|
|
// mFrameRequestCallbacksScheduled. aOldShell should only be passed when
|
|
// mPresShell is becoming null; in that case it will be used to get hold of
|
|
// the relevant refresh driver.
|
|
void UpdateFrameRequestCallbackSchedulingState(nsIPresShell* aOldShell = nullptr);
|
|
|
|
// Helper for GetScrollingElement/IsScrollingElement.
|
|
bool IsPotentiallyScrollable(mozilla::dom::HTMLBodyElement* aBody);
|
|
|
|
// Return the same type parent docuement if exists, or return null.
|
|
nsIDocument* GetSameTypeParentDocument();
|
|
|
|
// Return the first parent document with same pricipal, return nullptr if we
|
|
// can't find it.
|
|
nsIDocument* GetFirstParentDocumentWithSamePrincipal(nsIPrincipal* aPrincipal);
|
|
|
|
// Activate the flag 'mUserHasActivatedInteraction' by specific user gestures.
|
|
void ActivateByUserGesture();
|
|
void MaybeActivateByUserGesture(nsIPrincipal* aPrincipal);
|
|
|
|
// Helpers for GetElementsByName.
|
|
static bool MatchNameAttribute(mozilla::dom::Element* aElement,
|
|
int32_t aNamespaceID,
|
|
nsAtom* aAtom, void* aData);
|
|
static void* UseExistingNameString(nsINode* aRootNode, const nsString* aName);
|
|
|
|
void MaybeResolveReadyForIdle();
|
|
|
|
nsCString mReferrer;
|
|
nsString mLastModified;
|
|
|
|
nsCOMPtr<nsIURI> mDocumentURI;
|
|
nsCOMPtr<nsIURI> mOriginalURI;
|
|
nsCOMPtr<nsIURI> mChromeXHRDocURI;
|
|
nsCOMPtr<nsIURI> mDocumentBaseURI;
|
|
nsCOMPtr<nsIURI> mChromeXHRDocBaseURI;
|
|
|
|
// A lazily-constructed URL data for style system to resolve URL value.
|
|
RefPtr<mozilla::URLExtraData> mCachedURLData;
|
|
|
|
nsWeakPtr mDocumentLoadGroup;
|
|
|
|
bool mReferrerPolicySet;
|
|
ReferrerPolicyEnum mReferrerPolicy;
|
|
|
|
bool mBlockAllMixedContent;
|
|
bool mBlockAllMixedContentPreloads;
|
|
bool mUpgradeInsecureRequests;
|
|
bool mUpgradeInsecurePreloads;
|
|
|
|
mozilla::WeakPtr<nsDocShell> mDocumentContainer;
|
|
|
|
NotNull<const Encoding*> 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;
|
|
RefPtr<mozilla::css::Loader> mCSSLoader;
|
|
RefPtr<mozilla::css::ImageLoader> mStyleImageLoader;
|
|
RefPtr<nsHTMLStyleSheet> mAttrStyleSheet;
|
|
RefPtr<nsHTMLCSSStyleSheet> mStyleAttrStyleSheet;
|
|
|
|
// Tracking for images in the document.
|
|
RefPtr<mozilla::dom::ImageTracker> mImageTracker;
|
|
|
|
// A hashtable of ShadowRoots belonging to the composed doc.
|
|
//
|
|
// See ShadowRoot::SetIsComposedDocParticipant.
|
|
ShadowRootSet mComposedShadowRoots;
|
|
|
|
// The set of all object, embed, 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;
|
|
|
|
// A hashtable of styled links keyed by address pointer.
|
|
nsTHashtable<nsPtrHashKey<mozilla::dom::Link>> mStyledLinks;
|
|
#ifdef DEBUG
|
|
// Indicates whether mStyledLinks was cleared or not. This is used to track
|
|
// state so we can provide useful assertions to consumers of ForgetLink and
|
|
// AddStyleRelevantLink.
|
|
bool mStyledLinksCleared;
|
|
#endif
|
|
|
|
// The array of all links that need their status resolved. Links must add themselves
|
|
// to this set by calling RegisterPendingLinkUpdate when added to a document.
|
|
static const size_t kSegmentSize = 128;
|
|
|
|
typedef mozilla::SegmentedVector<nsCOMPtr<mozilla::dom::Link>,
|
|
kSegmentSize,
|
|
InfallibleAllocPolicy>
|
|
LinksToUpdateList;
|
|
|
|
LinksToUpdateList mLinksToUpdate;
|
|
|
|
// SMIL Animation Controller, lazily-initialized in GetAnimationController
|
|
RefPtr<nsSMILAnimationController> mAnimationController;
|
|
|
|
// Table of element properties for this document.
|
|
nsPropertyTable mPropertyTable;
|
|
|
|
// Our cached .children collection
|
|
nsCOMPtr<nsIHTMLCollection> mChildrenCollection;
|
|
|
|
// Various DOM lists
|
|
RefPtr<nsContentList> mImages;
|
|
RefPtr<nsContentList> mEmbeds;
|
|
RefPtr<nsContentList> mLinks;
|
|
RefPtr<nsContentList> mForms;
|
|
RefPtr<nsContentList> mScripts;
|
|
nsCOMPtr<nsIHTMLCollection> mApplets;
|
|
RefPtr<nsContentList> mAnchors;
|
|
|
|
// container for per-context fonts (downloadable, SVG, etc.)
|
|
RefPtr<mozilla::dom::FontFaceSet> mFontFaceSet;
|
|
|
|
// Last time this document or a one of its sub-documents was focused. If
|
|
// focus has never occurred then mLastFocusTime.IsNull() will be true.
|
|
mozilla::TimeStamp mLastFocusTime;
|
|
|
|
mozilla::EventStates mDocumentState;
|
|
|
|
RefPtr<mozilla::dom::Promise> mReadyForIdle;
|
|
|
|
RefPtr<mozilla::dom::AboutCapabilities> mAboutCapabilities;
|
|
|
|
// True if BIDI is enabled.
|
|
bool mBidiEnabled : 1;
|
|
// True if a MathML element has ever been owned by this document.
|
|
bool mMathMLEnabled : 1;
|
|
|
|
// 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 : 1;
|
|
|
|
bool mIgnoreDocGroupMismatches : 1;
|
|
|
|
// True if we're loaded as data and therefor has any dangerous stuff, such
|
|
// as scripts and plugins, disabled.
|
|
bool mLoadedAsData : 1;
|
|
|
|
// 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 : 1;
|
|
|
|
// If true, whoever is creating the document has gotten it to the
|
|
// point where it's safe to start layout on it.
|
|
bool mMayStartLayout : 1;
|
|
|
|
// True iff we've ever fired a DOMTitleChanged event for this document
|
|
bool mHaveFiredTitleChange : 1;
|
|
|
|
// State for IsShowing(). mIsShowing starts off false. It becomes true when
|
|
// OnPageShow happens and becomes false when OnPageHide happens. So it's false
|
|
// before the initial load completes and when we're in bfcache or unloaded,
|
|
// true otherwise.
|
|
bool mIsShowing : 1;
|
|
|
|
// State for IsVisible(). mVisible starts off true. It becomes false when
|
|
// OnPageHide happens, and becomes true again when OnPageShow happens. So
|
|
// it's false only when we're in bfcache or unloaded.
|
|
bool mVisible : 1;
|
|
|
|
// 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 : 1;
|
|
|
|
// 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 : 1;
|
|
|
|
// True when this document is a static clone of a normal document
|
|
bool mIsStaticDocument : 1;
|
|
|
|
// True while this document is being cloned to a static document.
|
|
bool mCreatingStaticClone : 1;
|
|
|
|
// True iff the document is being unlinked or deleted.
|
|
bool mInUnlinkOrDeletion : 1;
|
|
|
|
// True if document has ever had script handling object.
|
|
bool mHasHadScriptHandlingObject : 1;
|
|
|
|
// True if we're an SVG document being used as an image.
|
|
bool mIsBeingUsedAsImage : 1;
|
|
|
|
// True is this document is synthetic : stand alone image, video, audio
|
|
// file, etc.
|
|
bool mIsSyntheticDocument : 1;
|
|
|
|
// True is there is a pending runnable which will call FlushPendingLinkUpdates().
|
|
bool mHasLinksToUpdateRunnable : 1;
|
|
|
|
// True if we're flushing pending link updates.
|
|
bool mFlushingPendingLinkUpdates : 1;
|
|
|
|
// True if a DOMMutationObserver is perhaps attached to a node in the document.
|
|
bool mMayHaveDOMMutationObservers : 1;
|
|
|
|
// True if an nsIAnimationObserver is perhaps attached to a node in the document.
|
|
bool mMayHaveAnimationObservers : 1;
|
|
|
|
// True if a document has loaded Mixed Active Script (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedActiveContentLoaded : 1;
|
|
|
|
// True if a document has blocked Mixed Active Script (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedActiveContentBlocked : 1;
|
|
|
|
// True if a document has loaded Mixed Display/Passive Content (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedDisplayContentLoaded : 1;
|
|
|
|
// True if a document has blocked Mixed Display/Passive Content (see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedDisplayContentBlocked : 1;
|
|
|
|
// True if a document loads a plugin object that attempts to load mixed content subresources through necko(see nsMixedContentBlocker.cpp)
|
|
bool mHasMixedContentObjectSubrequest : 1;
|
|
|
|
// True if a document load has a CSP attached.
|
|
bool mHasCSP : 1;
|
|
|
|
// True if a document load has a CSP with unsafe-eval attached.
|
|
bool mHasUnsafeEvalCSP : 1;
|
|
|
|
// True if a document load has a CSP with unsafe-inline attached.
|
|
bool mHasUnsafeInlineCSP : 1;
|
|
|
|
// True if a document has blocked Tracking Content
|
|
bool mHasTrackingContentBlocked : 1;
|
|
|
|
// True if a document has loaded Tracking Content
|
|
bool mHasTrackingContentLoaded : 1;
|
|
|
|
// True if DisallowBFCaching has been called on this document.
|
|
bool mBFCacheDisallowed : 1;
|
|
|
|
bool mHasHadDefaultView : 1;
|
|
|
|
// Whether style sheet change events will be dispatched for this document
|
|
bool mStyleSheetChangeEventsEnabled : 1;
|
|
|
|
// Whether the document was created by a srcdoc iframe.
|
|
bool mIsSrcdocDocument : 1;
|
|
|
|
// 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 : 1;
|
|
|
|
// Whether this document has a display document and thus is considered to
|
|
// be a resource document. Normally this is the same as !!mDisplayDocument,
|
|
// but mDisplayDocument is cleared during Unlink. mHasDisplayDocument is
|
|
// valid in the document's destructor.
|
|
bool mHasDisplayDocument : 1;
|
|
|
|
// Is the current mFontFaceSet valid?
|
|
bool mFontFaceSetDirty : 1;
|
|
|
|
// Has GetUserFontSet() been called?
|
|
bool mGetUserFontSetCalled : 1;
|
|
|
|
// True if we have fired the DOMContentLoaded event, or don't plan to fire one
|
|
// (e.g. we're not being parsed at all).
|
|
bool mDidFireDOMContentLoaded : 1;
|
|
|
|
// True if ReportHasScrollLinkedEffect() has been called.
|
|
bool mHasScrollLinkedEffect : 1;
|
|
|
|
// True if we have frame request callbacks scheduled with the refresh driver.
|
|
// This should generally be updated only via
|
|
// UpdateFrameRequestCallbackSchedulingState.
|
|
bool mFrameRequestCallbacksScheduled : 1;
|
|
|
|
bool mIsTopLevelContentDocument : 1;
|
|
|
|
bool mIsContentDocument : 1;
|
|
|
|
// True if we have called BeginLoad and are expecting a paired EndLoad call.
|
|
bool mDidCallBeginLoad : 1;
|
|
|
|
// True if the document is allowed to use PaymentRequest.
|
|
bool mAllowPaymentRequest : 1;
|
|
|
|
// True if the encoding menu should be disabled.
|
|
bool mEncodingMenuDisabled : 1;
|
|
|
|
// True if dom.webcomponents.shadowdom.enabled pref is set when document is
|
|
// created.
|
|
bool mIsShadowDOMEnabled : 1;
|
|
|
|
// True if this document is for an SVG-in-OpenType font.
|
|
bool mIsSVGGlyphsDocument : 1;
|
|
|
|
// True if the document is being destroyed.
|
|
bool mInDestructor: 1;
|
|
|
|
// True if the document has been detached from its content viewer.
|
|
bool mIsGoingAway: 1;
|
|
|
|
bool mInXBLUpdate: 1;
|
|
|
|
bool mNeedsReleaseAfterStackRefCntRelease: 1;
|
|
|
|
// Whether we have filled our pres shell's style set with the document's
|
|
// additional sheets and sheets from the nsStyleSheetService.
|
|
bool mStyleSetFilled: 1;
|
|
|
|
// Keeps track of whether we have a pending
|
|
// 'style-sheet-applicable-state-changed' notification.
|
|
bool mSSApplicableStateNotificationPending: 1;
|
|
|
|
// True if this document has ever had an HTML or SVG <title> element
|
|
// bound to it
|
|
bool mMayHaveTitleElement: 1;
|
|
|
|
bool mDOMLoadingSet: 1;
|
|
bool mDOMInteractiveSet: 1;
|
|
bool mDOMCompleteSet: 1;
|
|
bool mAutoFocusFired: 1;
|
|
|
|
bool mScrolledToRefAlready : 1;
|
|
bool mChangeScrollPosWhenScrollingToRef : 1;
|
|
|
|
bool mHasWarnedAboutBoxObjects: 1;
|
|
|
|
bool mDelayFrameLoaderInitialization: 1;
|
|
|
|
bool mSynchronousDOMContentLoaded: 1;
|
|
|
|
// Set to true when the document is possibly controlled by the ServiceWorker.
|
|
// Used to prevent multiple requests to ServiceWorkerManager.
|
|
bool mMaybeServiceWorkerControlled: 1;
|
|
|
|
// These member variables cache information about the viewport so we don't
|
|
// have to recalculate it each time.
|
|
bool mValidWidth: 1;
|
|
bool mValidHeight: 1;
|
|
bool mAutoSize: 1;
|
|
bool mAllowZoom: 1;
|
|
bool mAllowDoubleTapZoom: 1;
|
|
bool mValidScaleFloat: 1;
|
|
bool mValidMaxScale: 1;
|
|
bool mScaleStrEmpty: 1;
|
|
bool mWidthStrEmpty: 1;
|
|
|
|
// Parser aborted. True if the parser of this document was forcibly
|
|
// terminated instead of letting it finish at its own pace.
|
|
bool mParserAborted: 1;
|
|
|
|
// Whether we have reported use counters for this document with Telemetry yet.
|
|
// Normally this is only done at document destruction time, but for image
|
|
// documents (SVG documents) that are not guaranteed to be destroyed, we
|
|
// report use counters when the image cache no longer has any imgRequestProxys
|
|
// pointing to them. We track whether we ever reported use counters so
|
|
// that we only report them once for the document.
|
|
bool mReportedUseCounters: 1;
|
|
|
|
bool mHasReportedShadowDOMUsage: 1;
|
|
|
|
#ifdef DEBUG
|
|
public:
|
|
bool mWillReparent: 1;
|
|
protected:
|
|
#endif
|
|
|
|
uint8_t mPendingFullscreenRequests;
|
|
|
|
uint8_t mXMLDeclarationBits;
|
|
|
|
// Currently active onload blockers.
|
|
uint32_t mOnloadBlockCount;
|
|
|
|
// Onload blockers which haven't been activated yet.
|
|
uint32_t mAsyncOnloadBlockCount;
|
|
|
|
// Compatibility mode
|
|
nsCompatibility mCompatMode;
|
|
|
|
// Our readyState
|
|
ReadyState mReadyState;
|
|
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
// Our visibility state
|
|
mozilla::dom::VisibilityState mVisibilityState;
|
|
static_assert(sizeof(mozilla::dom::VisibilityState) == sizeof(uint8_t),
|
|
"Error size of mVisibilityState and mDummy");
|
|
#else
|
|
uint8_t mDummy;
|
|
#endif
|
|
|
|
enum Type {
|
|
eUnknown, // should never be used
|
|
eHTML,
|
|
eXHTML,
|
|
eGenericXML,
|
|
eSVG,
|
|
eXUL
|
|
};
|
|
|
|
Type mType;
|
|
|
|
uint8_t mDefaultElementType;
|
|
|
|
enum Tri {
|
|
eTriUnset = 0,
|
|
eTriFalse,
|
|
eTriTrue
|
|
};
|
|
|
|
Tri 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:
|
|
// For document.write() we may need a different content type than mContentType.
|
|
nsCString mContentTypeForWriteCalls;
|
|
|
|
// 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;
|
|
|
|
// All images in process of being preloaded. This is a hashtable so
|
|
// we can remove them as the real image loads start; that way we
|
|
// make sure to not keep the image load going when no one cares
|
|
// about it anymore.
|
|
nsRefPtrHashtable<nsURIHashKey, imgIRequest> mPreloadingImages;
|
|
|
|
// A list of preconnects initiated by the preloader. This prevents
|
|
// the same uri from being used more than once, and allows the dom
|
|
// builder to not repeat the work of the preloader.
|
|
nsDataHashtable<nsURIHashKey, bool> mPreloadedPreconnects;
|
|
|
|
// Current depth of picture elements from parser
|
|
uint32_t mPreloadPictureDepth;
|
|
|
|
// Set if we've found a URL for the current picture
|
|
nsString mPreloadPictureFoundSource;
|
|
|
|
// 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;
|
|
|
|
/**
|
|
* https://html.spec.whatwg.org/#ignore-destructive-writes-counter
|
|
*/
|
|
uint32_t mIgnoreDestructiveWritesCounter;
|
|
|
|
/**
|
|
* The current frame request callback handle
|
|
*/
|
|
int32_t mFrameRequestCallbackCounter;
|
|
|
|
// Count of live static clones of this document.
|
|
uint32_t mStaticCloneCount;
|
|
|
|
// 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 mScriptGlobalObject.
|
|
nsPIDOMWindowInner* 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;
|
|
|
|
mozilla::UniquePtr<mozilla::dom::XPathEvaluator> mXPathEvaluator;
|
|
|
|
nsTArray<RefPtr<mozilla::dom::AnonymousContent>> mAnonymousContents;
|
|
|
|
uint32_t mBlockDOMContentLoaded;
|
|
|
|
// Our live MediaQueryLists
|
|
mozilla::LinkedList<mozilla::dom::MediaQueryList> mDOMMediaQueryLists;
|
|
|
|
// Array of observers
|
|
nsTObserverArray<nsIDocumentObserver*> mObservers;
|
|
|
|
// Flags for use counters used directly by this document.
|
|
std::bitset<mozilla::eUseCounter_Count> mUseCounters;
|
|
// Flags for use counters used by any child documents of this document.
|
|
std::bitset<mozilla::eUseCounter_Count> mChildDocumentUseCounters;
|
|
// Flags for whether we've notified our top-level "page" of a use counter
|
|
// for this child document.
|
|
std::bitset<mozilla::eUseCounter_Count> mNotifiedPageForUseCounter;
|
|
|
|
// Count the number of times something is seen in a document.
|
|
mozilla::Array<uint16_t, mozilla::eIncCounter_Count> mIncCounters;
|
|
|
|
// Whether the user has interacted with the document or not:
|
|
bool mUserHasInteracted;
|
|
|
|
// Whether the user has interacted with the document via some specific user
|
|
// gestures.
|
|
bool mUserHasActivatedInteraction;
|
|
|
|
mozilla::TimeStamp mPageUnloadingEventTimeStamp;
|
|
|
|
RefPtr<mozilla::dom::DocGroup> mDocGroup;
|
|
|
|
// The set of all the tracking script URLs. URLs are added to this set by
|
|
// calling NoteScriptTrackingStatus(). Currently we assume that a URL not
|
|
// existing in the set means the corresponding script isn't a tracking script.
|
|
nsTHashtable<nsCStringHashKey> mTrackingScripts;
|
|
|
|
// List of ancestor principals. This is set at the point a document
|
|
// is connected to a docshell and not mutated thereafter.
|
|
nsTArray<nsCOMPtr<nsIPrincipal>> mAncestorPrincipals;
|
|
// List of ancestor outerWindowIDs that correspond to the ancestor principals.
|
|
nsTArray<uint64_t> mAncestorOuterWindowIDs;
|
|
|
|
// Pointer to our parser if we're currently in the process of being
|
|
// parsed into.
|
|
nsCOMPtr<nsIParser> mParser;
|
|
|
|
nsrefcnt mStackRefCnt;
|
|
|
|
// Weak reference to our sink for in case we no longer have a parser. This
|
|
// will allow us to flush out any pending stuff from the sink even if
|
|
// EndLoad() has already happened.
|
|
nsWeakPtr mWeakSink;
|
|
|
|
// Our update nesting level
|
|
uint32_t mUpdateNestLevel;
|
|
|
|
enum ViewportType {
|
|
DisplayWidthHeight,
|
|
Specified,
|
|
Unknown
|
|
};
|
|
|
|
ViewportType mViewportType;
|
|
|
|
PLDHashTable* mSubDocuments;
|
|
|
|
nsDocHeaderData* mHeaderData;
|
|
|
|
RefPtr<PrincipalFlashClassifier> mPrincipalFlashClassifier;
|
|
mozilla::dom::FlashClassification mFlashClassification;
|
|
// Do not use this value directly. Call the |IsThirdParty()| method, which
|
|
// caches its result here.
|
|
mozilla::Maybe<bool> mIsThirdParty;
|
|
|
|
nsRevocableEventPtr<nsRunnableMethod<nsIDocument, void, false>>
|
|
mPendingTitleChangeEvent;
|
|
|
|
RefPtr<nsDOMNavigationTiming> mTiming;
|
|
|
|
// Recorded time of change to 'loading' state.
|
|
mozilla::TimeStamp mLoadingTimeStamp;
|
|
|
|
nsWeakPtr mAutoFocusElement;
|
|
|
|
nsCString mScrollToRef;
|
|
|
|
// Weak reference to the scope object (aka the script global object)
|
|
// that, unlike mScriptGlobalObject, is never unset once set. This
|
|
// is a weak reference to avoid leaks due to circular references.
|
|
nsWeakPtr mScopeObject;
|
|
|
|
// Array of intersection observers
|
|
nsTHashtable<nsPtrHashKey<mozilla::dom::DOMIntersectionObserver>>
|
|
mIntersectionObservers;
|
|
|
|
// Stack of full-screen elements. When we request full-screen we push the
|
|
// full-screen element onto this stack, and when we cancel full-screen we
|
|
// pop one off this stack, restoring the previous full-screen state
|
|
nsTArray<nsWeakPtr> mFullScreenStack;
|
|
|
|
// The root of the doc tree in which this document is in. This is only
|
|
// non-null when this document is in fullscreen mode.
|
|
nsWeakPtr mFullscreenRoot;
|
|
|
|
RefPtr<mozilla::dom::DOMImplementation> mDOMImplementation;
|
|
|
|
RefPtr<nsContentList> mImageMaps;
|
|
|
|
// A set of responsive images keyed by address pointer.
|
|
nsTHashtable<nsPtrHashKey<mozilla::dom::HTMLImageElement>> mResponsiveContent;
|
|
|
|
// Tracking for plugins in the document.
|
|
nsTHashtable<nsPtrHashKey<nsIObjectLoadingContent>> mPlugins;
|
|
|
|
// Array of owning references to all children
|
|
nsAttrAndChildArray mChildren;
|
|
|
|
RefPtr<mozilla::dom::DocumentTimeline> mDocumentTimeline;
|
|
mozilla::LinkedList<mozilla::dom::DocumentTimeline> mTimelines;
|
|
|
|
RefPtr<mozilla::dom::ScriptLoader> mScriptLoader;
|
|
|
|
nsRefPtrHashtable<nsPtrHashKey<nsIContent>, mozilla::dom::BoxObject>*
|
|
mBoxObjectTable;
|
|
|
|
// Tracker for animations that are waiting to start.
|
|
// nullptr until GetOrCreatePendingAnimationTracker is called.
|
|
RefPtr<mozilla::PendingAnimationTracker> mPendingAnimationTracker;
|
|
|
|
// A document "without a browsing context" that owns the content of
|
|
// HTMLTemplateElement.
|
|
nsCOMPtr<nsIDocument> mTemplateContentsOwner;
|
|
|
|
nsExternalResourceMap mExternalResourceMap;
|
|
|
|
// ScreenOrientation "pending promise" as described by
|
|
// http://www.w3.org/TR/screen-orientation/
|
|
RefPtr<mozilla::dom::Promise> mOrientationPendingPromise;
|
|
|
|
uint16_t mCurrentOrientationAngle;
|
|
mozilla::dom::OrientationType mCurrentOrientationType;
|
|
|
|
nsTArray<RefPtr<nsFrameLoader>> mInitializableFrameLoaders;
|
|
nsTArray<nsCOMPtr<nsIRunnable>> mFrameLoaderFinalizers;
|
|
RefPtr<nsRunnableMethod<nsIDocument>> mFrameLoaderRunner;
|
|
|
|
// The layout history state that should be used by nodes in this
|
|
// document. We only actually store a pointer to it when:
|
|
// 1) We have no script global object.
|
|
// 2) We haven't had Destroy() called on us yet.
|
|
nsCOMPtr<nsILayoutHistoryState> mLayoutHistoryState;
|
|
|
|
// These member variables cache information about the viewport so we don't
|
|
// have to recalculate it each time.
|
|
mozilla::LayoutDeviceToScreenScale mScaleMinFloat;
|
|
mozilla::LayoutDeviceToScreenScale mScaleMaxFloat;
|
|
mozilla::LayoutDeviceToScreenScale mScaleFloat;
|
|
mozilla::CSSToLayoutDeviceScale mPixelRatio;
|
|
mozilla::CSSSize mViewportSize;
|
|
|
|
RefPtr<mozilla::EventListenerManager> mListenerManager;
|
|
|
|
nsCOMPtr<nsIRunnable> mMaybeEndOutermostXBLUpdateRunner;
|
|
nsCOMPtr<nsIRequest> mOnloadBlocker;
|
|
|
|
nsTArray<RefPtr<mozilla::StyleSheet>> mOnDemandBuiltInUASheets;
|
|
nsTArray<RefPtr<mozilla::StyleSheet>> mAdditionalSheets[AdditionalSheetTypeCount];
|
|
|
|
// Member to store out last-selected stylesheet set.
|
|
nsString mLastStyleSheetSet;
|
|
nsString mPreferredStyleSheetSet;
|
|
|
|
RefPtr<nsDOMStyleSheetSetList> mStyleSheetSetList;
|
|
|
|
// We lazily calculate declaration blocks for SVG elements with mapped
|
|
// attributes in Servo mode. This list contains all elements which need lazy
|
|
// resolution.
|
|
nsTHashtable<nsPtrHashKey<nsSVGElement>> mLazySVGPresElements;
|
|
|
|
// Restyle root for servo's style system.
|
|
//
|
|
// We store this as an nsINode, rather than as an Element, so that we can store
|
|
// the Document node as the restyle root if the entire document (along with all
|
|
// document-level native-anonymous content) needs to be restyled.
|
|
//
|
|
// We also track which "descendant" bits (normal/animation-only/lazy-fc) the
|
|
// root corresponds to.
|
|
nsCOMPtr<nsINode> mServoRestyleRoot;
|
|
uint32_t mServoRestyleRootDirtyBits;
|
|
|
|
// Used in conjunction with the create-an-element-for-the-token algorithm to
|
|
// prevent custom element constructors from being able to use document.open(),
|
|
// document.close(), and document.write() when they are invoked by the parser.
|
|
uint32_t mThrowOnDynamicMarkupInsertionCounter;
|
|
|
|
// Count of unload/beforeunload/pagehide operations in progress.
|
|
uint32_t mIgnoreOpensDuringUnloadCounter;
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
class MOZ_RAII AutoSetThrowOnDynamicMarkupInsertionCounter final {
|
|
public:
|
|
explicit AutoSetThrowOnDynamicMarkupInsertionCounter(
|
|
nsIDocument* aDocument)
|
|
: mDocument(aDocument)
|
|
{
|
|
mDocument->IncrementThrowOnDynamicMarkupInsertionCounter();
|
|
}
|
|
|
|
~AutoSetThrowOnDynamicMarkupInsertionCounter() {
|
|
mDocument->DecrementThrowOnDynamicMarkupInsertionCounter();
|
|
}
|
|
|
|
private:
|
|
nsIDocument* mDocument;
|
|
};
|
|
|
|
class MOZ_RAII IgnoreOpensDuringUnload final
|
|
{
|
|
public:
|
|
explicit IgnoreOpensDuringUnload(nsIDocument* aDoc)
|
|
: mDoc(aDoc)
|
|
{
|
|
mDoc->IncrementIgnoreOpensDuringUnloadCounter();
|
|
}
|
|
|
|
~IgnoreOpensDuringUnload()
|
|
{
|
|
mDoc->DecrementIgnoreOpensDuringUnloadCounter();
|
|
}
|
|
private:
|
|
nsIDocument* mDoc;
|
|
};
|
|
|
|
// 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(nsIDocument** aInstancePtrResult,
|
|
const nsAString& aNamespaceURI,
|
|
const nsAString& aQualifiedName,
|
|
mozilla::dom::DocumentType* 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(nsIDocument** 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;
|
|
}
|
|
|
|
inline nsIDocument*
|
|
nsINode::AsDocument()
|
|
{
|
|
MOZ_ASSERT(IsDocument());
|
|
return static_cast<nsIDocument*>(this);
|
|
}
|
|
|
|
inline const nsIDocument*
|
|
nsINode::AsDocument() const
|
|
{
|
|
MOZ_ASSERT(IsDocument());
|
|
return static_cast<const nsIDocument*>(this);
|
|
}
|
|
|
|
#endif /* nsIDocument_h___ */
|