1458 lines
53 KiB
C++
1458 lines
53 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/*
|
|
* Base class for all our document implementations.
|
|
*/
|
|
|
|
#ifndef nsDocument_h___
|
|
#define nsDocument_h___
|
|
|
|
#include "nsIDocument.h"
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsAutoPtr.h"
|
|
#include "nsCRT.h"
|
|
#include "nsWeakReference.h"
|
|
#include "nsWeakPtr.h"
|
|
#include "nsTArray.h"
|
|
#include "nsIdentifierMapEntry.h"
|
|
#include "nsIDOMDocument.h"
|
|
#include "nsIDOMDocumentXBL.h"
|
|
#include "nsStubDocumentObserver.h"
|
|
#include "nsIScriptGlobalObject.h"
|
|
#include "nsIContent.h"
|
|
#include "nsIPrincipal.h"
|
|
#include "nsIParser.h"
|
|
#include "nsBindingManager.h"
|
|
#include "nsInterfaceHashtable.h"
|
|
#include "nsJSThingHashtable.h"
|
|
#include "nsIScriptObjectPrincipal.h"
|
|
#include "nsIURI.h"
|
|
#include "nsIRadioGroupContainer.h"
|
|
#include "nsILayoutHistoryState.h"
|
|
#include "nsIRequest.h"
|
|
#include "nsILoadGroup.h"
|
|
#include "nsTObserverArray.h"
|
|
#include "nsStubMutationObserver.h"
|
|
#include "nsIChannel.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsContentList.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsIApplicationCache.h"
|
|
#include "nsIApplicationCacheContainer.h"
|
|
#include "mozilla/StyleSetHandle.h"
|
|
#include "PLDHashTable.h"
|
|
#include "nsAttrAndChildArray.h"
|
|
#include "nsDOMAttributeMap.h"
|
|
#include "nsIContentViewer.h"
|
|
#include "nsIInterfaceRequestor.h"
|
|
#include "nsILoadContext.h"
|
|
#include "nsIProgressEventSink.h"
|
|
#include "nsISecurityEventSink.h"
|
|
#include "nsIChannelEventSink.h"
|
|
#include "imgIRequest.h"
|
|
#include "mozilla/EventListenerManager.h"
|
|
#include "mozilla/EventStates.h"
|
|
#include "mozilla/MemoryReporting.h"
|
|
#include "mozilla/PendingAnimationTracker.h"
|
|
#include "mozilla/dom/DOMImplementation.h"
|
|
#include "mozilla/dom/ResizeObserverController.h"
|
|
#include "mozilla/dom/ScriptLoader.h"
|
|
#include "mozilla/dom/StyleSheetList.h"
|
|
#include "nsDataHashtable.h"
|
|
#include "mozilla/TimeStamp.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsIDOMXPathEvaluator.h"
|
|
#include "jsfriendapi.h"
|
|
#include "ImportManager.h"
|
|
#include "mozilla/LinkedList.h"
|
|
#include "CustomElementRegistry.h"
|
|
#include "mozilla/dom/Performance.h"
|
|
|
|
#define XML_DECLARATION_BITS_DECLARATION_EXISTS (1 << 0)
|
|
#define XML_DECLARATION_BITS_ENCODING_EXISTS (1 << 1)
|
|
#define XML_DECLARATION_BITS_STANDALONE_EXISTS (1 << 2)
|
|
#define XML_DECLARATION_BITS_STANDALONE_YES (1 << 3)
|
|
|
|
|
|
class nsDOMStyleSheetSetList;
|
|
class nsDocument;
|
|
class nsIRadioVisitor;
|
|
class nsIFormControl;
|
|
struct nsRadioGroupStruct;
|
|
class nsOnloadBlocker;
|
|
class nsUnblockOnloadEvent;
|
|
class nsDOMNavigationTiming;
|
|
class nsWindowSizes;
|
|
class nsHtml5TreeOpExecutor;
|
|
class nsDocumentOnStack;
|
|
class nsISecurityConsoleMessage;
|
|
class nsPIBoxObject;
|
|
|
|
namespace mozilla {
|
|
class EventChainPreVisitor;
|
|
namespace dom {
|
|
class BoxObject;
|
|
class ImageTracker;
|
|
struct LifecycleCallbacks;
|
|
class CallbackFunction;
|
|
class DOMIntersectionObserver;
|
|
class Performance;
|
|
|
|
struct FullscreenRequest : public LinkedListElement<FullscreenRequest>
|
|
{
|
|
explicit FullscreenRequest(Element* aElement);
|
|
FullscreenRequest(const FullscreenRequest&) = delete;
|
|
~FullscreenRequest();
|
|
|
|
Element* GetElement() const { return mElement; }
|
|
nsDocument* GetDocument() const { return mDocument; }
|
|
|
|
private:
|
|
RefPtr<Element> mElement;
|
|
RefPtr<nsDocument> mDocument;
|
|
|
|
public:
|
|
// This value should be true if the fullscreen request is
|
|
// originated from chrome code.
|
|
bool mIsCallerChrome = false;
|
|
// This value denotes whether we should trigger a NewOrigin event if
|
|
// requesting fullscreen in its document causes the origin which is
|
|
// fullscreen to change. We may want *not* to trigger that event if
|
|
// we're calling RequestFullScreen() as part of a continuation of a
|
|
// request in a subdocument in different process, whereupon the caller
|
|
// need to send some notification itself with the real origin.
|
|
bool mShouldNotifyNewOrigin = true;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
class nsDocHeaderData
|
|
{
|
|
public:
|
|
nsDocHeaderData(nsIAtom* aField, const nsAString& aData)
|
|
: mField(aField), mData(aData), mNext(nullptr)
|
|
{
|
|
}
|
|
|
|
~nsDocHeaderData(void)
|
|
{
|
|
delete mNext;
|
|
}
|
|
|
|
nsCOMPtr<nsIAtom> mField;
|
|
nsString mData;
|
|
nsDocHeaderData* mNext;
|
|
};
|
|
|
|
class nsOnloadBlocker final : public nsIRequest
|
|
{
|
|
public:
|
|
nsOnloadBlocker() {}
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIREQUEST
|
|
|
|
private:
|
|
~nsOnloadBlocker() {}
|
|
};
|
|
|
|
class nsExternalResourceMap
|
|
{
|
|
public:
|
|
typedef nsIDocument::ExternalResourceLoad ExternalResourceLoad;
|
|
nsExternalResourceMap();
|
|
|
|
/**
|
|
* Request an external resource document. This does exactly what
|
|
* nsIDocument::RequestExternalResource is documented to do.
|
|
*/
|
|
nsIDocument* RequestResource(nsIURI* aURI,
|
|
nsINode* aRequestingNode,
|
|
nsDocument* aDisplayDocument,
|
|
ExternalResourceLoad** aPendingLoad);
|
|
|
|
/**
|
|
* Enumerate the resource documents. See
|
|
* nsIDocument::EnumerateExternalResources.
|
|
*/
|
|
void EnumerateResources(nsIDocument::nsSubDocEnumFunc aCallback, void* aData);
|
|
|
|
/**
|
|
* Traverse ourselves for cycle-collection
|
|
*/
|
|
void Traverse(nsCycleCollectionTraversalCallback* aCallback) const;
|
|
|
|
/**
|
|
* Shut ourselves down (used for cycle-collection unlink), as well
|
|
* as for document destruction.
|
|
*/
|
|
void Shutdown()
|
|
{
|
|
mPendingLoads.Clear();
|
|
mMap.Clear();
|
|
mHaveShutDown = true;
|
|
}
|
|
|
|
bool HaveShutDown() const
|
|
{
|
|
return mHaveShutDown;
|
|
}
|
|
|
|
// Needs to be public so we can traverse them sanely
|
|
struct ExternalResource
|
|
{
|
|
~ExternalResource();
|
|
nsCOMPtr<nsIDocument> mDocument;
|
|
nsCOMPtr<nsIContentViewer> mViewer;
|
|
nsCOMPtr<nsILoadGroup> mLoadGroup;
|
|
};
|
|
|
|
// Hide all our viewers
|
|
void HideViewers();
|
|
|
|
// Show all our viewers
|
|
void ShowViewers();
|
|
|
|
protected:
|
|
class PendingLoad : public ExternalResourceLoad,
|
|
public nsIStreamListener
|
|
{
|
|
~PendingLoad() {}
|
|
|
|
public:
|
|
explicit PendingLoad(nsDocument* aDisplayDocument) :
|
|
mDisplayDocument(aDisplayDocument)
|
|
{}
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSISTREAMLISTENER
|
|
NS_DECL_NSIREQUESTOBSERVER
|
|
|
|
/**
|
|
* Start aURI loading. This will perform the necessary security checks and
|
|
* so forth.
|
|
*/
|
|
nsresult StartLoad(nsIURI* aURI, nsINode* aRequestingNode);
|
|
|
|
/**
|
|
* Set up an nsIContentViewer based on aRequest. This is guaranteed to
|
|
* put null in *aViewer and *aLoadGroup on all failures.
|
|
*/
|
|
nsresult SetupViewer(nsIRequest* aRequest, nsIContentViewer** aViewer,
|
|
nsILoadGroup** aLoadGroup);
|
|
|
|
private:
|
|
RefPtr<nsDocument> mDisplayDocument;
|
|
nsCOMPtr<nsIStreamListener> mTargetListener;
|
|
nsCOMPtr<nsIURI> mURI;
|
|
};
|
|
friend class PendingLoad;
|
|
|
|
class LoadgroupCallbacks final : public nsIInterfaceRequestor
|
|
{
|
|
~LoadgroupCallbacks() {}
|
|
public:
|
|
explicit LoadgroupCallbacks(nsIInterfaceRequestor* aOtherCallbacks)
|
|
: mCallbacks(aOtherCallbacks)
|
|
{}
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIINTERFACEREQUESTOR
|
|
private:
|
|
// The only reason it's safe to hold a strong ref here without leaking is
|
|
// that the notificationCallbacks on a loadgroup aren't the docshell itself
|
|
// but a shim that holds a weak reference to the docshell.
|
|
nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
|
|
|
|
// Use shims for interfaces that docshell implements directly so that we
|
|
// don't hand out references to the docshell. The shims should all allow
|
|
// getInterface back on us, but other than that each one should only
|
|
// implement one interface.
|
|
|
|
// XXXbz I wish we could just derive the _allcaps thing from _i
|
|
#define DECL_SHIM(_i, _allcaps) \
|
|
class _i##Shim final : public nsIInterfaceRequestor, \
|
|
public _i \
|
|
{ \
|
|
~_i##Shim() {} \
|
|
public: \
|
|
_i##Shim(nsIInterfaceRequestor* aIfreq, _i* aRealPtr) \
|
|
: mIfReq(aIfreq), mRealPtr(aRealPtr) \
|
|
{ \
|
|
NS_ASSERTION(mIfReq, "Expected non-null here"); \
|
|
NS_ASSERTION(mRealPtr, "Expected non-null here"); \
|
|
} \
|
|
NS_DECL_ISUPPORTS \
|
|
NS_FORWARD_NSIINTERFACEREQUESTOR(mIfReq->) \
|
|
NS_FORWARD_##_allcaps(mRealPtr->) \
|
|
private: \
|
|
nsCOMPtr<nsIInterfaceRequestor> mIfReq; \
|
|
nsCOMPtr<_i> mRealPtr; \
|
|
};
|
|
|
|
DECL_SHIM(nsILoadContext, NSILOADCONTEXT)
|
|
DECL_SHIM(nsIProgressEventSink, NSIPROGRESSEVENTSINK)
|
|
DECL_SHIM(nsIChannelEventSink, NSICHANNELEVENTSINK)
|
|
DECL_SHIM(nsISecurityEventSink, NSISECURITYEVENTSINK)
|
|
DECL_SHIM(nsIApplicationCacheContainer, NSIAPPLICATIONCACHECONTAINER)
|
|
#undef DECL_SHIM
|
|
};
|
|
|
|
/**
|
|
* Add an ExternalResource for aURI. aViewer and aLoadGroup might be null
|
|
* when this is called if the URI didn't result in an XML document. This
|
|
* function makes sure to remove the pending load for aURI, if any, from our
|
|
* hashtable, and to notify its observers, if any.
|
|
*/
|
|
nsresult AddExternalResource(nsIURI* aURI, nsIContentViewer* aViewer,
|
|
nsILoadGroup* aLoadGroup,
|
|
nsIDocument* aDisplayDocument);
|
|
|
|
nsClassHashtable<nsURIHashKey, ExternalResource> mMap;
|
|
nsRefPtrHashtable<nsURIHashKey, PendingLoad> mPendingLoads;
|
|
bool mHaveShutDown;
|
|
};
|
|
|
|
// Base class for our document implementations.
|
|
class nsDocument : public nsIDocument,
|
|
public nsIDOMDocument,
|
|
public nsIDOMDocumentXBL,
|
|
public nsSupportsWeakReference,
|
|
public nsIScriptObjectPrincipal,
|
|
public nsIRadioGroupContainer,
|
|
public nsIApplicationCacheContainer,
|
|
public nsStubMutationObserver,
|
|
public nsIObserver,
|
|
public nsIDOMXPathEvaluator
|
|
{
|
|
friend class nsIDocument;
|
|
|
|
public:
|
|
typedef mozilla::dom::Element Element;
|
|
typedef mozilla::net::ReferrerPolicy ReferrerPolicy;
|
|
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
|
|
NS_DECL_SIZEOF_EXCLUDING_THIS
|
|
|
|
virtual void Reset(nsIChannel *aChannel, nsILoadGroup *aLoadGroup) override;
|
|
virtual void ResetToURI(nsIURI *aURI, nsILoadGroup *aLoadGroup,
|
|
nsIPrincipal* aPrincipal) override;
|
|
|
|
// StartDocumentLoad is pure virtual so that subclasses must override it.
|
|
// The nsDocument StartDocumentLoad does some setup, but does NOT set
|
|
// *aDocListener; this is the job of subclasses.
|
|
virtual nsresult StartDocumentLoad(const char* aCommand,
|
|
nsIChannel* aChannel,
|
|
nsILoadGroup* aLoadGroup,
|
|
nsISupports* aContainer,
|
|
nsIStreamListener **aDocListener,
|
|
bool aReset = true,
|
|
nsIContentSink* aContentSink = nullptr) override = 0;
|
|
|
|
virtual void StopDocumentLoad() override;
|
|
|
|
virtual void NotifyPossibleTitleChange(bool aBoundTitleElement) override;
|
|
|
|
virtual void SetDocumentURI(nsIURI* aURI) override;
|
|
|
|
virtual void SetChromeXHRDocURI(nsIURI* aURI) override;
|
|
|
|
virtual void SetChromeXHRDocBaseURI(nsIURI* aURI) override;
|
|
|
|
virtual void ApplySettingsFromCSP(bool aSpeculative) override;
|
|
|
|
/**
|
|
* Set the principal responsible for this document.
|
|
*/
|
|
virtual void SetPrincipal(nsIPrincipal *aPrincipal) override;
|
|
|
|
/**
|
|
* Get the Content-Type of this document.
|
|
*/
|
|
// NS_IMETHOD GetContentType(nsAString& aContentType);
|
|
// Already declared in nsIDOMDocument
|
|
|
|
/**
|
|
* Set the Content-Type of this document.
|
|
*/
|
|
virtual void SetContentType(const nsAString& aContentType) override;
|
|
|
|
virtual void SetBaseURI(nsIURI* aURI) override;
|
|
|
|
/**
|
|
* Get/Set the base target of a link in a document.
|
|
*/
|
|
virtual void GetBaseTarget(nsAString &aBaseTarget) override;
|
|
|
|
/**
|
|
* Return a standard name for the document's character set. This will
|
|
* trigger a startDocumentLoad if necessary to answer the question.
|
|
*/
|
|
virtual void SetDocumentCharacterSet(const nsACString& aCharSetID) override;
|
|
|
|
/**
|
|
* Add an observer that gets notified whenever the charset changes.
|
|
*/
|
|
virtual nsresult AddCharSetObserver(nsIObserver* aObserver) override;
|
|
|
|
/**
|
|
* Remove a charset observer.
|
|
*/
|
|
virtual void RemoveCharSetObserver(nsIObserver* aObserver) override;
|
|
|
|
virtual Element* AddIDTargetObserver(nsIAtom* aID, IDTargetObserver aObserver,
|
|
void* aData, bool aForImage) override;
|
|
virtual void RemoveIDTargetObserver(nsIAtom* aID, IDTargetObserver aObserver,
|
|
void* aData, bool aForImage) override;
|
|
|
|
/**
|
|
* Access HTTP header data (this may also get set from other sources, like
|
|
* HTML META tags).
|
|
*/
|
|
virtual void GetHeaderData(nsIAtom* aHeaderField, nsAString& aData) const override;
|
|
virtual void SetHeaderData(nsIAtom* aheaderField,
|
|
const nsAString& aData) override;
|
|
|
|
/**
|
|
* 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).
|
|
*/
|
|
virtual already_AddRefed<nsIPresShell> CreateShell(
|
|
nsPresContext* aContext,
|
|
nsViewManager* aViewManager,
|
|
mozilla::StyleSetHandle aStyleSet) override;
|
|
virtual void DeleteShell() override;
|
|
|
|
virtual nsresult GetAllowPlugins(bool* aAllowPlugins) override;
|
|
|
|
static bool IsElementAnimateEnabled(JSContext* aCx, JSObject* aObject);
|
|
static bool IsWebAnimationsEnabled(JSContext* aCx, JSObject* aObject);
|
|
static bool AreWebAnimationsImplicitKeyframesEnabled(JSContext* aCx, JSObject* aObject);
|
|
static bool AreWebAnimationsTimelinesEnabled(JSContext* aCx, JSObject* aObject);
|
|
static bool IsWebAnimationsGetAnimationsEnabled(JSContext* aCx, JSObject* aObject);
|
|
|
|
virtual mozilla::dom::DocumentTimeline* Timeline() override;
|
|
virtual void GetAnimations(
|
|
nsTArray<RefPtr<mozilla::dom::Animation>>& aAnimations) override;
|
|
mozilla::LinkedList<mozilla::dom::DocumentTimeline>& Timelines() override
|
|
{
|
|
return mTimelines;
|
|
}
|
|
|
|
virtual nsresult SetSubDocumentFor(Element* aContent,
|
|
nsIDocument* aSubDoc) override;
|
|
virtual nsIDocument* GetSubDocumentFor(nsIContent* aContent) const override;
|
|
virtual Element* FindContentForSubDocument(nsIDocument *aDocument) const override;
|
|
virtual Element* GetRootElementInternal() const override;
|
|
|
|
virtual void EnsureOnDemandBuiltInUASheet(mozilla::StyleSheet* aSheet) override;
|
|
|
|
virtual void AddStyleSheet(mozilla::StyleSheet* aSheet) override;
|
|
virtual void RemoveStyleSheet(mozilla::StyleSheet* aSheet) override;
|
|
|
|
virtual void UpdateStyleSheets(
|
|
nsTArray<RefPtr<mozilla::StyleSheet>>& aOldSheets,
|
|
nsTArray<RefPtr<mozilla::StyleSheet>>& aNewSheets) override;
|
|
virtual void AddStyleSheetToStyleSets(mozilla::StyleSheet* aSheet);
|
|
virtual void RemoveStyleSheetFromStyleSets(mozilla::StyleSheet* aSheet);
|
|
|
|
virtual void InsertStyleSheetAt(mozilla::StyleSheet* aSheet,
|
|
size_t aIndex) override;
|
|
virtual void SetStyleSheetApplicableState(mozilla::StyleSheet* aSheet,
|
|
bool aApplicable) override;
|
|
|
|
virtual nsresult LoadAdditionalStyleSheet(additionalSheetType aType,
|
|
nsIURI* aSheetURI) override;
|
|
virtual nsresult AddAdditionalStyleSheet(additionalSheetType aType,
|
|
mozilla::StyleSheet* aSheet) override;
|
|
virtual void RemoveAdditionalStyleSheet(additionalSheetType aType,
|
|
nsIURI* sheetURI) override;
|
|
virtual mozilla::StyleSheet* GetFirstAdditionalAuthorSheet() override;
|
|
|
|
virtual nsIChannel* GetChannel() const override {
|
|
return mChannel;
|
|
}
|
|
|
|
virtual nsIChannel* GetFailedChannel() const override {
|
|
return mFailedChannel;
|
|
}
|
|
virtual void SetFailedChannel(nsIChannel* aChannel) override {
|
|
mFailedChannel = aChannel;
|
|
}
|
|
|
|
virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aGlobalObject) override;
|
|
|
|
virtual void SetScriptHandlingObject(nsIScriptGlobalObject* aScriptObject) override;
|
|
|
|
virtual nsIGlobalObject* GetScopeObject() const override;
|
|
void SetScopeObject(nsIGlobalObject* aGlobal) override;
|
|
/**
|
|
* Get the script loader for this document
|
|
*/
|
|
virtual mozilla::dom::ScriptLoader* ScriptLoader() override;
|
|
|
|
/**
|
|
* Add/Remove an element to the document's id and name hashes
|
|
*/
|
|
virtual void AddToIdTable(Element* aElement, nsIAtom* aId) override;
|
|
virtual void RemoveFromIdTable(Element* aElement, nsIAtom* aId) override;
|
|
virtual void AddToNameTable(Element* aElement, nsIAtom* aName) override;
|
|
virtual void RemoveFromNameTable(Element* aElement, nsIAtom* aName) override;
|
|
|
|
/**
|
|
* Add a new observer of document change notifications. Whenever
|
|
* content is changed, appended, inserted or removed the observers are
|
|
* informed.
|
|
*/
|
|
virtual void AddObserver(nsIDocumentObserver* aObserver) override;
|
|
|
|
/**
|
|
* Remove an observer of document change notifications. This will
|
|
* return false if the observer cannot be found.
|
|
*/
|
|
virtual bool RemoveObserver(nsIDocumentObserver* aObserver) override;
|
|
|
|
// Observation hooks used to propagate notifications to document
|
|
// observers.
|
|
virtual void BeginUpdate(nsUpdateType aUpdateType) override;
|
|
virtual void EndUpdate(nsUpdateType aUpdateType) override;
|
|
virtual void BeginLoad() override;
|
|
virtual void EndLoad() override;
|
|
|
|
// Set the readystate of the document. If updateTimingInformation is true,
|
|
// this will record relevant timestamps in the document's performance timing.
|
|
// Some consumers like document.open() don't want to do that.
|
|
virtual void SetReadyStateInternal(ReadyState rs,
|
|
bool updateTimingInformation = true) override;
|
|
|
|
virtual void ContentStateChanged(nsIContent* aContent,
|
|
mozilla::EventStates aStateMask)
|
|
override;
|
|
virtual void DocumentStatesChanged(
|
|
mozilla::EventStates aStateMask) override;
|
|
|
|
virtual void StyleRuleChanged(mozilla::StyleSheet* aStyleSheet,
|
|
mozilla::css::Rule* aStyleRule) override;
|
|
virtual void StyleRuleAdded(mozilla::StyleSheet* aStyleSheet,
|
|
mozilla::css::Rule* aStyleRule) override;
|
|
virtual void StyleRuleRemoved(mozilla::StyleSheet* aStyleSheet,
|
|
mozilla::css::Rule* aStyleRule) override;
|
|
|
|
virtual void FlushPendingNotifications(mozFlushType aType) override;
|
|
virtual void FlushExternalResources(mozFlushType aType) override;
|
|
virtual void SetXMLDeclaration(const char16_t *aVersion,
|
|
const char16_t *aEncoding,
|
|
const int32_t aStandalone) override;
|
|
virtual void GetXMLDeclaration(nsAString& aVersion,
|
|
nsAString& aEncoding,
|
|
nsAString& Standalone) override;
|
|
virtual bool IsScriptEnabled() override;
|
|
|
|
virtual void OnPageShow(bool aPersisted, mozilla::dom::EventTarget* aDispatchStartTarget) override;
|
|
virtual void OnPageHide(bool aPersisted, mozilla::dom::EventTarget* aDispatchStartTarget) override;
|
|
|
|
virtual void WillDispatchMutationEvent(nsINode* aTarget) override;
|
|
virtual void MutationEventDispatched(nsINode* aTarget) override;
|
|
|
|
// nsINode
|
|
virtual bool IsNodeOfType(uint32_t aFlags) const override;
|
|
virtual nsIContent *GetChildAt(uint32_t aIndex) const override;
|
|
virtual nsIContent * const * GetChildArray(uint32_t* aChildCount) const override;
|
|
virtual int32_t IndexOf(const nsINode* aPossibleChild) const override;
|
|
virtual uint32_t GetChildCount() const override;
|
|
virtual nsresult InsertChildAt(nsIContent* aKid, uint32_t aIndex,
|
|
bool aNotify) override;
|
|
virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) override;
|
|
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// nsIRadioGroupContainer
|
|
NS_IMETHOD WalkRadioGroup(const nsAString& aName,
|
|
nsIRadioVisitor* aVisitor,
|
|
bool aFlushContent) override;
|
|
virtual void
|
|
SetCurrentRadioButton(const nsAString& aName,
|
|
mozilla::dom::HTMLInputElement* aRadio) override;
|
|
virtual mozilla::dom::HTMLInputElement*
|
|
GetCurrentRadioButton(const nsAString& aName) override;
|
|
NS_IMETHOD
|
|
GetNextRadioButton(const nsAString& aName,
|
|
const bool aPrevious,
|
|
mozilla::dom::HTMLInputElement* aFocusedRadio,
|
|
mozilla::dom::HTMLInputElement** aRadioOut) override;
|
|
virtual void AddToRadioGroup(const nsAString& aName,
|
|
nsIFormControl* aRadio) override;
|
|
virtual void RemoveFromRadioGroup(const nsAString& aName,
|
|
nsIFormControl* aRadio) override;
|
|
virtual uint32_t GetRequiredRadioCount(const nsAString& aName) const override;
|
|
virtual void RadioRequiredWillChange(const nsAString& aName,
|
|
bool aRequiredAdded) override;
|
|
virtual bool GetValueMissingState(const nsAString& aName) const override;
|
|
virtual void SetValueMissingState(const nsAString& aName, bool aValue) override;
|
|
|
|
// for radio group
|
|
nsRadioGroupStruct* GetRadioGroup(const nsAString& aName) const;
|
|
nsRadioGroupStruct* GetOrCreateRadioGroup(const nsAString& aName);
|
|
|
|
virtual nsViewportInfo GetViewportInfo(const mozilla::ScreenIntSize& aDisplaySize) override;
|
|
|
|
virtual void AddIntersectionObserver(
|
|
mozilla::dom::DOMIntersectionObserver* aObserver) override;
|
|
virtual void RemoveIntersectionObserver(
|
|
mozilla::dom::DOMIntersectionObserver* aObserver) override;
|
|
virtual void UpdateIntersectionObservations() override;
|
|
virtual void ScheduleIntersectionObserverNotification() override;
|
|
virtual void NotifyIntersectionObservers() override;
|
|
|
|
virtual void NotifyLayerManagerRecreated() override;
|
|
|
|
// Check whether web components are enabled for the global of aObject.
|
|
static bool IsWebComponentsEnabled(JSContext* aCx, JSObject* aObject);
|
|
// Check whether web components are enabled for the document this node belongs
|
|
// to.
|
|
static bool IsWebComponentsEnabled(const nsINode* aNode);
|
|
private:
|
|
void AddOnDemandBuiltInUASheet(mozilla::StyleSheet* aSheet);
|
|
nsRadioGroupStruct* GetRadioGroupInternal(const nsAString& aName) const;
|
|
void SendToConsole(nsCOMArray<nsISecurityConsoleMessage>& aMessages);
|
|
|
|
public:
|
|
// nsIDOMNode
|
|
NS_FORWARD_NSIDOMNODE_TO_NSINODE_OVERRIDABLE
|
|
|
|
// nsIDOMDocument
|
|
NS_DECL_NSIDOMDOCUMENT
|
|
|
|
// nsIDOMDocumentXBL
|
|
NS_DECL_NSIDOMDOCUMENTXBL
|
|
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementById;
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementsByTagName;
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementsByTagNameNS;
|
|
using mozilla::dom::DocumentOrShadowRoot::GetElementsByClassName;
|
|
|
|
// nsIDOMEventTarget
|
|
virtual nsresult GetEventTargetParent(
|
|
mozilla::EventChainPreVisitor& aVisitor) override;
|
|
virtual mozilla::EventListenerManager*
|
|
GetOrCreateListenerManager() override;
|
|
virtual mozilla::EventListenerManager*
|
|
GetExistingListenerManager() const override;
|
|
|
|
// nsIScriptObjectPrincipal
|
|
virtual nsIPrincipal* GetPrincipal() override;
|
|
|
|
// nsIApplicationCacheContainer
|
|
NS_DECL_NSIAPPLICATIONCACHECONTAINER
|
|
|
|
// nsIObserver
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
NS_DECL_NSIDOMXPATHEVALUATOR
|
|
|
|
virtual nsresult Init();
|
|
|
|
virtual already_AddRefed<Element> CreateElem(const nsAString& aName,
|
|
nsIAtom* aPrefix,
|
|
int32_t aNamespaceID,
|
|
const nsAString* aIs = nullptr) override;
|
|
|
|
virtual void Sanitize() override;
|
|
|
|
virtual void EnumerateSubDocuments(nsSubDocEnumFunc aCallback,
|
|
void *aData) override;
|
|
|
|
virtual bool CanSavePresentation(nsIRequest *aNewRequest) override;
|
|
virtual void Destroy() override;
|
|
virtual void RemovedFromDocShell() override;
|
|
virtual already_AddRefed<nsILayoutHistoryState> GetLayoutHistoryState() const override;
|
|
|
|
virtual void BlockOnload() override;
|
|
virtual void UnblockOnload(bool aFireSync) override;
|
|
|
|
virtual void AddStyleRelevantLink(mozilla::dom::Link* aLink) override;
|
|
virtual void ForgetLink(mozilla::dom::Link* aLink) override;
|
|
|
|
virtual void ClearBoxObjectFor(nsIContent* aContent) override;
|
|
|
|
virtual already_AddRefed<mozilla::dom::BoxObject>
|
|
GetBoxObjectFor(mozilla::dom::Element* aElement,
|
|
mozilla::ErrorResult& aRv) override;
|
|
|
|
virtual Element*
|
|
GetAnonymousElementByAttribute(nsIContent* aElement,
|
|
nsIAtom* aAttrName,
|
|
const nsAString& aAttrValue) const override;
|
|
|
|
virtual Element* ElementFromPointHelper(float aX, float aY,
|
|
bool aIgnoreRootScrollFrame,
|
|
bool aFlushLayout) override;
|
|
|
|
virtual void ElementsFromPointHelper(float aX, float aY,
|
|
uint32_t aFlags,
|
|
nsTArray<RefPtr<mozilla::dom::Element>>& aElements) override;
|
|
|
|
virtual nsresult NodesFromRectHelper(float aX, float aY,
|
|
float aTopSize, float aRightSize,
|
|
float aBottomSize, float aLeftSize,
|
|
bool aIgnoreRootScrollFrame,
|
|
bool aFlushLayout,
|
|
nsIDOMNodeList** aReturn) override;
|
|
|
|
virtual void FlushSkinBindings() override;
|
|
|
|
virtual nsresult InitializeFrameLoader(nsFrameLoader* aLoader) override;
|
|
virtual nsresult FinalizeFrameLoader(nsFrameLoader* aLoader, nsIRunnable* aFinalizer) override;
|
|
virtual void TryCancelFrameLoaderInitialization(nsIDocShell* aShell) override;
|
|
virtual nsIDocument*
|
|
RequestExternalResource(nsIURI* aURI,
|
|
nsINode* aRequestingNode,
|
|
ExternalResourceLoad** aPendingLoad) override;
|
|
virtual void
|
|
EnumerateExternalResources(nsSubDocEnumFunc aCallback, void* aData) override;
|
|
|
|
// Returns our (lazily-initialized) animation controller.
|
|
// If HasAnimationController is true, this is guaranteed to return non-null.
|
|
nsSMILAnimationController* GetAnimationController() override;
|
|
|
|
virtual mozilla::PendingAnimationTracker*
|
|
GetPendingAnimationTracker() final override
|
|
{
|
|
return mPendingAnimationTracker;
|
|
}
|
|
|
|
virtual mozilla::PendingAnimationTracker*
|
|
GetOrCreatePendingAnimationTracker() override;
|
|
|
|
virtual void SuppressEventHandling(SuppressionType aWhat,
|
|
uint32_t aIncrease) override;
|
|
|
|
virtual void UnsuppressEventHandlingAndFireEvents(SuppressionType aWhat,
|
|
bool aFireEvents) override;
|
|
|
|
void DecreaseEventSuppression() {
|
|
MOZ_ASSERT(mEventsSuppressed);
|
|
--mEventsSuppressed;
|
|
UpdateFrameRequestCallbackSchedulingState();
|
|
}
|
|
|
|
void ResumeAnimations() {
|
|
MOZ_ASSERT(mAnimationsPaused);
|
|
--mAnimationsPaused;
|
|
UpdateFrameRequestCallbackSchedulingState();
|
|
}
|
|
|
|
void SetLoadEventFiring(bool aFiring) override { mLoadEventFiring = aFiring; }
|
|
|
|
bool SkipLoadEventAfterClose() override {
|
|
bool skip = mSkipLoadEventAfterClose;
|
|
mSkipLoadEventAfterClose = false;
|
|
return skip;
|
|
}
|
|
|
|
virtual nsIDocument* GetTemplateContentsOwner() override;
|
|
|
|
NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsDocument,
|
|
nsIDocument)
|
|
|
|
void DoNotifyPossibleTitleChange();
|
|
|
|
nsExternalResourceMap& ExternalResourceMap()
|
|
{
|
|
return mExternalResourceMap;
|
|
}
|
|
|
|
void SetLoadedAsData(bool aLoadedAsData) { mLoadedAsData = aLoadedAsData; }
|
|
void SetLoadedAsInteractiveData(bool aLoadedAsInteractiveData)
|
|
{
|
|
mLoadedAsInteractiveData = aLoadedAsInteractiveData;
|
|
}
|
|
|
|
nsresult CloneDocHelper(nsDocument* clone) const;
|
|
|
|
void MaybeInitializeFinalizeFrameLoaders();
|
|
|
|
void MaybeEndOutermostXBLUpdate();
|
|
|
|
virtual void PreloadPictureOpened() override;
|
|
virtual void PreloadPictureClosed() override;
|
|
|
|
virtual void
|
|
PreloadPictureImageSource(const nsAString& aSrcsetAttr,
|
|
const nsAString& aSizesAttr,
|
|
const nsAString& aTypeAttr,
|
|
const nsAString& aMediaAttr) override;
|
|
|
|
virtual already_AddRefed<nsIURI>
|
|
ResolvePreloadImage(nsIURI *aBaseURI,
|
|
const nsAString& aSrcAttr,
|
|
const nsAString& aSrcsetAttr,
|
|
const nsAString& aSizesAttr,
|
|
bool *aIsImgSet) override;
|
|
|
|
virtual void MaybePreLoadImage(nsIURI* uri,
|
|
const nsAString &aCrossOriginAttr,
|
|
ReferrerPolicy aReferrerPolicy,
|
|
bool aIsImgSet) override;
|
|
virtual void ForgetImagePreload(nsIURI* aURI) override;
|
|
|
|
virtual void MaybePreconnect(nsIURI* uri,
|
|
mozilla::CORSMode aCORSMode) override;
|
|
|
|
virtual void PreloadStyle(nsIURI* uri, const nsAString& charset,
|
|
const nsAString& aCrossOriginAttr,
|
|
ReferrerPolicy aReferrerPolicy,
|
|
const nsAString& aIntegrity) override;
|
|
|
|
virtual nsresult LoadChromeSheetSync(nsIURI* uri, bool isAgentSheet,
|
|
RefPtr<mozilla::StyleSheet>* aSheet) override;
|
|
|
|
virtual nsISupports* GetCurrentContentSink() override;
|
|
|
|
virtual mozilla::EventStates GetDocumentState() override;
|
|
|
|
// Only BlockOnload should call this!
|
|
void AsyncBlockOnload();
|
|
|
|
virtual void SetScrollToRef(nsIURI *aDocumentURI) override;
|
|
virtual void ScrollToRef() override;
|
|
virtual void ResetScrolledToRefAlready() override;
|
|
virtual void SetChangeScrollPosWhenScrollingToRef(bool aValue) override;
|
|
|
|
virtual Element* LookupImageElement(const nsAString& aElementId) override;
|
|
virtual void MozSetImageElement(const nsAString& aImageElementId,
|
|
Element* aElement) override;
|
|
|
|
// AddPlugin adds a plugin-related element to mPlugins when the element is
|
|
// added to the tree.
|
|
virtual nsresult AddPlugin(nsIObjectLoadingContent* aPlugin) override;
|
|
// RemovePlugin removes a plugin-related element to mPlugins when the
|
|
// element is removed from the tree.
|
|
virtual void RemovePlugin(nsIObjectLoadingContent* aPlugin) override;
|
|
// GetPlugins returns the plugin-related elements from
|
|
// the frame and any subframes.
|
|
virtual void GetPlugins(nsTArray<nsIObjectLoadingContent*>& aPlugins) override;
|
|
|
|
// Adds an element to mResponsiveContent when the element is
|
|
// added to the tree.
|
|
virtual nsresult AddResponsiveContent(nsIContent* aContent) override;
|
|
// Removes an element from mResponsiveContent when the element is
|
|
// removed from the tree.
|
|
virtual void RemoveResponsiveContent(nsIContent* aContent) override;
|
|
// Notifies any responsive content added by AddResponsiveContent upon media
|
|
// features values changing.
|
|
virtual void NotifyMediaFeatureValuesChanged() override;
|
|
|
|
virtual nsresult GetStateObject(nsIVariant** aResult) override;
|
|
|
|
virtual nsDOMNavigationTiming* GetNavigationTiming() const override;
|
|
virtual nsresult SetNavigationTiming(nsDOMNavigationTiming* aTiming) override;
|
|
|
|
virtual Element* FindImageMap(const nsAString& aNormalizedMapName) override;
|
|
|
|
virtual nsTArray<Element*> GetFullscreenStack() const override;
|
|
virtual void AsyncRequestFullScreen(
|
|
mozilla::UniquePtr<FullscreenRequest>&& aRequest) override;
|
|
virtual void RestorePreviousFullScreenState() override;
|
|
virtual bool IsFullscreenLeaf() override;
|
|
virtual nsresult
|
|
RemoteFrameFullscreenChanged(nsIDOMElement* aFrameElement) override;
|
|
|
|
virtual nsresult RemoteFrameFullscreenReverted() override;
|
|
virtual nsIDocument* GetFullscreenRoot() override;
|
|
virtual void SetFullscreenRoot(nsIDocument* aRoot) override;
|
|
|
|
// Returns the size of the mBlockedTrackingNodes array. (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).
|
|
//
|
|
// 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;
|
|
|
|
//
|
|
// 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;
|
|
|
|
static bool IsUnprefixedFullscreenEnabled(JSContext* aCx, JSObject* aObject);
|
|
|
|
// 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();
|
|
|
|
// Returns the top element from the full-screen stack.
|
|
Element* FullScreenStackTop();
|
|
|
|
// DOM-exposed fullscreen API
|
|
bool FullscreenEnabled() override;
|
|
Element* GetFullscreenElement() override;
|
|
|
|
void RequestPointerLock(Element* aElement) override;
|
|
bool SetPointerLock(Element* aElement, int aCursorStyle);
|
|
static void UnlockPointer(nsIDocument* aDoc = nullptr);
|
|
|
|
void SetCurrentOrientation(mozilla::dom::OrientationType aType,
|
|
uint16_t aAngle) override;
|
|
uint16_t CurrentOrientationAngle() const override;
|
|
mozilla::dom::OrientationType CurrentOrientationType() const override;
|
|
void SetOrientationPendingPromise(mozilla::dom::Promise* aPromise) override;
|
|
mozilla::dom::Promise* GetOrientationPendingPromise() const override;
|
|
|
|
// This method may fire a DOM event; if it does so it will happen
|
|
// synchronously.
|
|
void UpdateVisibilityState();
|
|
// Posts an event to call UpdateVisibilityState
|
|
virtual void PostVisibilityUpdateEvent() override;
|
|
|
|
// Since we wouldn't automatically play media from non-visited page, we need
|
|
// to notify window when the page was first visited.
|
|
void MaybeActiveMediaComponents();
|
|
|
|
virtual void DocAddSizeOfExcludingThis(nsWindowSizes* aWindowSizes) const override;
|
|
// DocAddSizeOfIncludingThis is inherited from nsIDocument.
|
|
|
|
virtual nsIDOMNode* AsDOMNode() override { return this; }
|
|
|
|
// WebIDL bits
|
|
virtual mozilla::dom::DOMImplementation*
|
|
GetImplementation(mozilla::ErrorResult& rv) override;
|
|
|
|
virtual void SetSelectedStyleSheetSet(const nsAString& aSheetSet) override;
|
|
virtual void GetLastStyleSheetSet(nsString& aSheetSet) override;
|
|
virtual mozilla::dom::DOMStringList* StyleSheetSets() override;
|
|
virtual void EnableStyleSheetsForSet(const nsAString& aSheetSet) override;
|
|
virtual already_AddRefed<Element> CreateElement(const nsAString& aTagName,
|
|
const mozilla::dom::ElementCreationOptionsOrString& aOptions,
|
|
ErrorResult& rv) override;
|
|
virtual already_AddRefed<Element> CreateElementNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aQualifiedName,
|
|
const mozilla::dom::ElementCreationOptionsOrString& aOptions,
|
|
mozilla::ErrorResult& rv) override;
|
|
|
|
virtual nsIDocument* MasterDocument() override
|
|
{
|
|
return mMasterDocument ? mMasterDocument.get()
|
|
: this;
|
|
}
|
|
|
|
virtual void SetMasterDocument(nsIDocument* master) override
|
|
{
|
|
MOZ_ASSERT(master);
|
|
mMasterDocument = master;
|
|
}
|
|
|
|
virtual bool IsMasterDocument() override
|
|
{
|
|
return !mMasterDocument;
|
|
}
|
|
|
|
virtual mozilla::dom::ImportManager* ImportManager() override
|
|
{
|
|
if (mImportManager) {
|
|
MOZ_ASSERT(!mMasterDocument, "Only the master document has ImportManager set");
|
|
return mImportManager.get();
|
|
}
|
|
|
|
if (mMasterDocument) {
|
|
return mMasterDocument->ImportManager();
|
|
}
|
|
|
|
// ImportManager is created lazily.
|
|
// If the manager is not yet set it has to be the
|
|
// master document and this is the first import in it.
|
|
// Let's create a new manager.
|
|
mImportManager = new mozilla::dom::ImportManager();
|
|
return mImportManager.get();
|
|
}
|
|
|
|
virtual bool HasSubImportLink(nsINode* aLink) override
|
|
{
|
|
return mSubImportLinks.Contains(aLink);
|
|
}
|
|
|
|
virtual uint32_t IndexOfSubImportLink(nsINode* aLink) override
|
|
{
|
|
return mSubImportLinks.IndexOf(aLink);
|
|
}
|
|
|
|
virtual void AddSubImportLink(nsINode* aLink) override
|
|
{
|
|
mSubImportLinks.AppendElement(aLink);
|
|
}
|
|
|
|
virtual nsINode* GetSubImportLink(uint32_t aIdx) override
|
|
{
|
|
return aIdx < mSubImportLinks.Length() ? mSubImportLinks[aIdx].get()
|
|
: nullptr;
|
|
}
|
|
|
|
virtual void UnblockDOMContentLoaded() override;
|
|
|
|
void AddResizeObserver(mozilla::dom::ResizeObserver* aResizeObserver) override;
|
|
|
|
void ScheduleResizeObserversNotification() const override;
|
|
|
|
protected:
|
|
friend class nsNodeUtils;
|
|
friend class nsDocumentOnStack;
|
|
|
|
void IncreaseStackRefCnt()
|
|
{
|
|
++mStackRefCnt;
|
|
}
|
|
|
|
void DecreaseStackRefCnt()
|
|
{
|
|
if (--mStackRefCnt == 0 && mNeedsReleaseAfterStackRefCntRelease) {
|
|
mNeedsReleaseAfterStackRefCntRelease = false;
|
|
NS_RELEASE_THIS();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check that aId is not empty and log a message to the console
|
|
* service if it is.
|
|
* @returns true if aId looks correct, false otherwise.
|
|
*/
|
|
inline bool CheckGetElementByIdArg(const nsAString& aId)
|
|
{
|
|
if (aId.IsEmpty()) {
|
|
ReportEmptyGetElementByIdArg();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void ReportEmptyGetElementByIdArg();
|
|
|
|
void DispatchContentLoadedEvents();
|
|
|
|
void RetrieveRelevantHeaders(nsIChannel *aChannel);
|
|
|
|
void TryChannelCharset(nsIChannel *aChannel,
|
|
int32_t& aCharsetSource,
|
|
nsACString& aCharset,
|
|
nsHtml5TreeOpExecutor* aExecutor);
|
|
|
|
// 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();
|
|
|
|
// Refreshes the hrefs of all the links in the document.
|
|
void RefreshLinkHrefs();
|
|
|
|
nsIContent* GetFirstBaseNodeWithHref();
|
|
nsresult SetFirstBaseNodeWithHref(nsIContent *node);
|
|
|
|
/**
|
|
* 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();
|
|
|
|
/**
|
|
* Perform tree disconnection needed by ResetToURI and document.open()
|
|
*/
|
|
void DisconnectNodeTree();
|
|
|
|
public:
|
|
// Get our title
|
|
virtual void GetTitle(nsString& aTitle) override;
|
|
// Set our title
|
|
virtual void SetTitle(const nsAString& aTitle, mozilla::ErrorResult& rv) override;
|
|
|
|
bool mIsTopLevelContentDocument: 1;
|
|
bool mIsContentDocument: 1;
|
|
|
|
bool IsTopLevelContentDocument();
|
|
void SetIsTopLevelContentDocument(bool aIsTopLevelContentDocument);
|
|
|
|
bool IsContentDocument() const;
|
|
void SetIsContentDocument(bool aIsContentDocument);
|
|
|
|
js::ExpandoAndGeneration mExpandoAndGeneration;
|
|
|
|
#ifdef MOZ_EME
|
|
bool ContainsEMEContent();
|
|
#endif
|
|
|
|
bool ContainsMSEContent();
|
|
|
|
protected:
|
|
already_AddRefed<nsIPresShell> doCreateShell(nsPresContext* aContext,
|
|
nsViewManager* aViewManager,
|
|
mozilla::StyleSetHandle aStyleSet);
|
|
|
|
void RemoveDocStyleSheetsFromStyleSets();
|
|
void RemoveStyleSheetsFromStyleSets(
|
|
const nsTArray<RefPtr<mozilla::StyleSheet>>& aSheets,
|
|
mozilla::SheetType aType);
|
|
void ResetStylesheetsToURI(nsIURI* aURI);
|
|
void FillStyleSet(mozilla::StyleSetHandle aStyleSet);
|
|
|
|
// Return whether all the presshells for this document are safe to flush
|
|
bool IsSafeToFlush() const;
|
|
|
|
void DispatchPageTransition(mozilla::dom::EventTarget* aDispatchTarget,
|
|
const nsAString& aType,
|
|
bool aPersisted);
|
|
|
|
virtual nsPIDOMWindowOuter* GetWindowInternal() const override;
|
|
virtual nsIScriptGlobalObject* GetScriptHandlingObjectInternal() const override;
|
|
virtual bool InternalAllowXULXBL() override;
|
|
|
|
void UpdateScreenOrientation();
|
|
|
|
#define NS_DOCUMENT_NOTIFY_OBSERVERS(func_, params_) \
|
|
NS_OBSERVER_ARRAY_NOTIFY_XPCOM_OBSERVERS(mObservers, nsIDocumentObserver, \
|
|
func_, params_);
|
|
|
|
#ifdef DEBUG
|
|
void VerifyRootContentState();
|
|
#endif
|
|
|
|
explicit nsDocument(const char* aContentType);
|
|
virtual ~nsDocument();
|
|
|
|
void EnsureOnloadBlocker();
|
|
|
|
void NotifyStyleSheetApplicableStateChanged();
|
|
|
|
// 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);
|
|
|
|
nsTArray<nsIObserver*> mCharSetObservers;
|
|
|
|
mozilla::UniquePtr<mozilla::dom::ResizeObserverController>
|
|
mResizeObserverController;
|
|
|
|
PLDHashTable *mSubDocuments;
|
|
|
|
// Array of owning references to all children
|
|
nsAttrAndChildArray mChildren;
|
|
|
|
// Pointer to our parser if we're currently in the process of being
|
|
// parsed into.
|
|
nsCOMPtr<nsIParser> mParser;
|
|
|
|
// 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;
|
|
|
|
nsTArray<RefPtr<mozilla::StyleSheet>> mOnDemandBuiltInUASheets;
|
|
nsTArray<RefPtr<mozilla::StyleSheet>> mAdditionalSheets[AdditionalSheetTypeCount];
|
|
|
|
// Array of observers
|
|
nsTObserverArray<nsIDocumentObserver*> mObservers;
|
|
|
|
// Hashtable of intersection observers
|
|
nsTHashtable<nsPtrHashKey<mozilla::dom::DOMIntersectionObserver>>
|
|
mIntersectionObservers;
|
|
|
|
// Tracker for animations that are waiting to start.
|
|
// nullptr until GetOrCreatePendingAnimationTracker is called.
|
|
RefPtr<mozilla::PendingAnimationTracker> mPendingAnimationTracker;
|
|
|
|
// 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;
|
|
|
|
// 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;
|
|
|
|
public:
|
|
RefPtr<mozilla::EventListenerManager> mListenerManager;
|
|
RefPtr<nsDOMStyleSheetSetList> mStyleSheetSetList;
|
|
RefPtr<mozilla::dom::ScriptLoader> mScriptLoader;
|
|
nsDocHeaderData* mHeaderData;
|
|
|
|
nsClassHashtable<nsStringHashKey, nsRadioGroupStruct> mRadioGroups;
|
|
|
|
// Recorded time of change to 'loading' state.
|
|
mozilla::TimeStamp mLoadingTimeStamp;
|
|
|
|
// True if the document has been detached from its content viewer.
|
|
bool mIsGoingAway:1;
|
|
// True if the document is being destroyed.
|
|
bool mInDestructor:1;
|
|
|
|
// True if this document has ever had an HTML or SVG <title> element
|
|
// bound to it
|
|
bool mMayHaveTitleElement:1;
|
|
|
|
bool mHasWarnedAboutBoxObjects:1;
|
|
|
|
bool mDelayFrameLoaderInitialization:1;
|
|
|
|
bool mSynchronousDOMContentLoaded:1;
|
|
|
|
bool mInXBLUpdate:1;
|
|
|
|
// Whether we're currently under a FlushPendingNotifications call to
|
|
// our presshell. This is used to handle flush reentry correctly.
|
|
bool mInFlush: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;
|
|
|
|
friend class nsCallRequestFullScreen;
|
|
|
|
// 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;
|
|
|
|
// Keeps track of whether we have a pending
|
|
// 'style-sheet-applicable-state-changed' notification.
|
|
bool mSSApplicableStateNotificationPending: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;
|
|
|
|
// The HTML spec has a "iframe load in progress" flag, but that doesn't seem
|
|
// to have the right semantics. See <https://github.com/whatwg/html/issues/4292>.
|
|
// What we have instead is a flag that is set while the window's 'load' event is
|
|
// firing if this document is the window's document.
|
|
bool mLoadEventFiring : 1;
|
|
|
|
// The HTML spec has a "mute iframe load" flag, but that doesn't seem to have
|
|
// the right semantics. See <https://github.com/whatwg/html/issues/4292>.
|
|
// What we have instead is a flag that is set if completion of our document
|
|
// via document.close() should skip firing the load event. Note that this
|
|
// flag is only relevant for HTML documents, but lives here for reasons that
|
|
// are documented above on SkipLoadEventAfterClose().
|
|
bool mSkipLoadEventAfterClose : 1;
|
|
|
|
uint8_t mPendingFullscreenRequests;
|
|
|
|
uint8_t mXMLDeclarationBits;
|
|
|
|
nsInterfaceHashtable<nsPtrHashKey<nsIContent>, nsPIBoxObject> *mBoxObjectTable;
|
|
|
|
// A document "without a browsing context" that owns the content of
|
|
// HTMLTemplateElement.
|
|
nsCOMPtr<nsIDocument> mTemplateContentsOwner;
|
|
|
|
// Our update nesting level
|
|
uint32_t mUpdateNestLevel;
|
|
|
|
// The application cache that this document is associated with, if
|
|
// any. This can change during the lifetime of the document.
|
|
nsCOMPtr<nsIApplicationCache> mApplicationCache;
|
|
|
|
nsCOMPtr<nsIContent> mFirstBaseNodeWithHref;
|
|
|
|
mozilla::EventStates mDocumentState;
|
|
mozilla::EventStates mGotDocumentState;
|
|
|
|
RefPtr<nsDOMNavigationTiming> mTiming;
|
|
private:
|
|
friend class nsUnblockOnloadEvent;
|
|
// Recomputes the visibility state but doesn't set the new value.
|
|
mozilla::dom::VisibilityState GetVisibilityState() const;
|
|
void NotifyStyleSheetAdded(mozilla::StyleSheet* aSheet, bool aDocumentSheet);
|
|
void NotifyStyleSheetRemoved(mozilla::StyleSheet* aSheet, bool aDocumentSheet);
|
|
|
|
void PostUnblockOnloadEvent();
|
|
void DoUnblockOnload();
|
|
|
|
nsresult InitCSP(nsIChannel* aChannel);
|
|
|
|
/**
|
|
* 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;
|
|
|
|
// 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);
|
|
|
|
void ClearAllBoxObjects();
|
|
|
|
// Returns true if the scheme for the url for this document is "about"
|
|
bool IsAboutPage();
|
|
|
|
// These are not implemented and not supported.
|
|
nsDocument(const nsDocument& aOther);
|
|
nsDocument& operator=(const nsDocument& aOther);
|
|
|
|
// 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;
|
|
|
|
// Currently active onload blockers
|
|
uint32_t mOnloadBlockCount;
|
|
// Onload blockers which haven't been activated yet
|
|
uint32_t mAsyncOnloadBlockCount;
|
|
nsCOMPtr<nsIRequest> mOnloadBlocker;
|
|
|
|
// 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
|
|
|
|
// A set of responsive images keyed by address pointer.
|
|
nsTHashtable< nsPtrHashKey<nsIContent> > mResponsiveContent;
|
|
|
|
// Member to store out last-selected stylesheet set.
|
|
nsString mLastStyleSheetSet;
|
|
|
|
nsTArray<RefPtr<nsFrameLoader> > mInitializableFrameLoaders;
|
|
nsTArray<nsCOMPtr<nsIRunnable> > mFrameLoaderFinalizers;
|
|
RefPtr<nsRunnableMethod<nsDocument> > mFrameLoaderRunner;
|
|
|
|
nsCOMPtr<nsIRunnable> mMaybeEndOutermostXBLUpdateRunner;
|
|
|
|
nsRevocableEventPtr<nsRunnableMethod<nsDocument, void, false> >
|
|
mPendingTitleChangeEvent;
|
|
|
|
nsExternalResourceMap mExternalResourceMap;
|
|
|
|
// 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
|
|
int32_t mPreloadPictureDepth;
|
|
|
|
// Set if we've found a URL for the current picture
|
|
nsString mPreloadPictureFoundSource;
|
|
|
|
RefPtr<mozilla::dom::DOMImplementation> mDOMImplementation;
|
|
|
|
RefPtr<nsContentList> mImageMaps;
|
|
|
|
nsCString mScrollToRef;
|
|
uint8_t mScrolledToRefAlready : 1;
|
|
uint8_t mChangeScrollPosWhenScrollingToRef : 1;
|
|
|
|
// Tracking for plugins in the document.
|
|
nsTHashtable< nsPtrHashKey<nsIObjectLoadingContent> > mPlugins;
|
|
|
|
RefPtr<mozilla::dom::DocumentTimeline> mDocumentTimeline;
|
|
mozilla::LinkedList<mozilla::dom::DocumentTimeline> mTimelines;
|
|
|
|
enum ViewportType {
|
|
DisplayWidthHeight,
|
|
Specified,
|
|
Unknown
|
|
};
|
|
|
|
ViewportType mViewportType;
|
|
|
|
// These member variables cache information about the viewport so we don't have to
|
|
// recalculate it each time.
|
|
bool mValidWidth, mValidHeight;
|
|
mozilla::LayoutDeviceToScreenScale mScaleMinFloat;
|
|
mozilla::LayoutDeviceToScreenScale mScaleMaxFloat;
|
|
mozilla::LayoutDeviceToScreenScale mScaleFloat;
|
|
mozilla::CSSToLayoutDeviceScale mPixelRatio;
|
|
bool mAutoSize, mAllowZoom, mAllowDoubleTapZoom, mValidScaleFloat, mValidMaxScale, mScaleStrEmpty, mWidthStrEmpty;
|
|
mozilla::CSSSize mViewportSize;
|
|
|
|
nsrefcnt mStackRefCnt;
|
|
bool mNeedsReleaseAfterStackRefCntRelease;
|
|
|
|
nsCOMPtr<nsIDocument> mMasterDocument;
|
|
RefPtr<mozilla::dom::ImportManager> mImportManager;
|
|
nsTArray<nsCOMPtr<nsINode> > mSubImportLinks;
|
|
|
|
// Set to true when the document is possibly controlled by the ServiceWorker.
|
|
// Used to prevent multiple requests to ServiceWorkerManager.
|
|
bool mMaybeServiceWorkerControlled;
|
|
};
|
|
|
|
class nsDocumentOnStack
|
|
{
|
|
public:
|
|
explicit nsDocumentOnStack(nsDocument* aDoc) : mDoc(aDoc)
|
|
{
|
|
mDoc->IncreaseStackRefCnt();
|
|
}
|
|
~nsDocumentOnStack()
|
|
{
|
|
mDoc->DecreaseStackRefCnt();
|
|
}
|
|
private:
|
|
nsDocument* mDoc;
|
|
};
|
|
|
|
#endif /* nsDocument_h___ */
|