Create nsIdentifierMapEntry.h...

This commit is contained in:
Fedor 2020-09-17 07:17:01 +03:00
parent 8f0710f4b5
commit 565954b717
12 changed files with 190 additions and 146 deletions

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@ -15,7 +15,9 @@
#include "nsIStyleSheetLinkingElement.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/HTMLSlotElement.h"
#include "mozilla/dom/StyleSheetList.h"
#include "nsXBLPrototypeBinding.h"
#include "mozilla/BasicEvents.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/StyleSheet.h"
#include "mozilla/StyleSheetInlines.h"

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@ -12,8 +12,9 @@
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIContentInlines.h"
#include "nsIdentifierMapEntry.h"
#include "nsTHashtable.h"
#include "nsDocument.h"
#include "nsXBLBinding.h"
class nsIAtom;
class nsIContent;

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@ -85,6 +85,7 @@ EXPORTS += [
'nsIContentInlines.h',
'nsIContentIterator.h',
'nsIContentSerializer.h',
'nsIdentifierMapEntry.h',
'nsIDocument.h',
'nsIDocumentInlines.h',
'nsIDocumentObserver.h',

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@ -19,6 +19,7 @@
#include "nsWeakReference.h"
#include "nsWeakPtr.h"
#include "nsTArray.h"
#include "nsIdentifierMapEntry.h"
#include "nsIDOMDocument.h"
#include "nsIDOMDocumentXBL.h"
#include "nsStubDocumentObserver.h"
@ -130,151 +131,6 @@ public:
} // namespace dom
} // namespace mozilla
/**
* Right now our identifier map entries contain information for 'name'
* and 'id' mappings of a given string. This is so that
* nsHTMLDocument::ResolveName only has to do one hash lookup instead
* of two. It's not clear whether this still matters for performance.
*
* We also store the document.all result list here. This is mainly so that
* when all elements with the given ID are removed and we remove
* the ID's nsIdentifierMapEntry, the document.all result is released too.
* Perhaps the document.all results should have their own hashtable
* in nsHTMLDocument.
*/
class nsIdentifierMapEntry : public nsStringHashKey
{
public:
typedef mozilla::dom::Element Element;
typedef mozilla::net::ReferrerPolicy ReferrerPolicy;
explicit nsIdentifierMapEntry(const nsAString& aKey) :
nsStringHashKey(&aKey), mNameContentList(nullptr)
{
}
explicit nsIdentifierMapEntry(const nsAString* aKey) :
nsStringHashKey(aKey), mNameContentList(nullptr)
{
}
nsIdentifierMapEntry(const nsIdentifierMapEntry& aOther) :
nsStringHashKey(&aOther.GetKey())
{
NS_ERROR("Should never be called");
}
~nsIdentifierMapEntry();
void AddNameElement(nsINode* aDocument, Element* aElement);
void RemoveNameElement(Element* aElement);
bool IsEmpty();
nsBaseContentList* GetNameContentList() {
return mNameContentList;
}
bool HasNameElement() const {
return mNameContentList && mNameContentList->Length() != 0;
}
/**
* Returns the element if we know the element associated with this
* id. Otherwise returns null.
*/
Element* GetIdElement();
/**
* Returns the list of all elements associated with this id.
*/
const nsTArray<Element*>& GetIdElements() const {
return mIdContentList;
}
/**
* If this entry has a non-null image element set (using SetImageElement),
* the image element will be returned, otherwise the same as GetIdElement().
*/
Element* GetImageIdElement();
/**
* Append all the elements with this id to aElements
*/
void AppendAllIdContent(nsCOMArray<nsIContent>* aElements);
/**
* This can fire ID change callbacks.
* @return true if the content could be added, false if we failed due
* to OOM.
*/
bool AddIdElement(Element* aElement);
/**
* This can fire ID change callbacks.
*/
void RemoveIdElement(Element* aElement);
/**
* Set the image element override for this ID. This will be returned by
* GetIdElement(true) if non-null.
*/
void SetImageElement(Element* aElement);
bool HasIdElementExposedAsHTMLDocumentProperty();
bool HasContentChangeCallback() { return mChangeCallbacks != nullptr; }
void AddContentChangeCallback(nsIDocument::IDTargetObserver aCallback,
void* aData, bool aForImage);
void RemoveContentChangeCallback(nsIDocument::IDTargetObserver aCallback,
void* aData, bool aForImage);
/**
* Remove all elements and notify change listeners.
*/
void ClearAndNotify();
void Traverse(nsCycleCollectionTraversalCallback* aCallback);
struct ChangeCallback {
nsIDocument::IDTargetObserver mCallback;
void* mData;
bool mForImage;
};
struct ChangeCallbackEntry : public PLDHashEntryHdr {
typedef const ChangeCallback KeyType;
typedef const ChangeCallback* KeyTypePointer;
explicit ChangeCallbackEntry(const ChangeCallback* aKey) :
mKey(*aKey) { }
ChangeCallbackEntry(const ChangeCallbackEntry& toCopy) :
mKey(toCopy.mKey) { }
KeyType GetKey() const { return mKey; }
bool KeyEquals(KeyTypePointer aKey) const {
return aKey->mCallback == mKey.mCallback &&
aKey->mData == mKey.mData &&
aKey->mForImage == mKey.mForImage;
}
static KeyTypePointer KeyToPointer(KeyType& aKey) { return &aKey; }
static PLDHashNumber HashKey(KeyTypePointer aKey)
{
return mozilla::HashGeneric(aKey->mCallback, aKey->mData);
}
enum { ALLOW_MEMMOVE = true };
ChangeCallback mKey;
};
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
void FireChangeCallbacks(Element* aOldElement, Element* aNewElement,
bool aImageOnly = false);
// empty if there are no elements with this ID.
// The elements are stored as weak pointers.
nsTArray<Element*> mIdContentList;
RefPtr<nsBaseContentList> mNameContentList;
nsAutoPtr<nsTHashtable<ChangeCallbackEntry> > mChangeCallbacks;
RefPtr<Element> mImageElement;
};
namespace mozilla {
namespace dom {
} // namespace dom
} // namespace mozilla
class nsDocHeaderData
{
public:

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@ -0,0 +1,170 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsIdentifierMapEntry_h
#define nsIdentifierMapEntry_h
#include "PLDHashTable.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/Move.h"
#include "mozilla/dom/Element.h"
#include "mozilla/net/ReferrerPolicy.h"
#include "nsCOMArray.h"
#include "nsCOMPtr.h"
#include "nsContentList.h"
#include "nsIAtom.h"
#include "nsIDocument.h"
#include "nsTArray.h"
#include "nsTHashtable.h"
class nsIContent;
/**
* Right now our identifier map entries contain information for 'name'
* and 'id' mappings of a given string. This is so that
* nsHTMLDocument::ResolveName only has to do one hash lookup instead
* of two. It's not clear whether this still matters for performance.
*
* We also store the document.all result list here. This is mainly so that
* when all elements with the given ID are removed and we remove
* the ID's nsIdentifierMapEntry, the document.all result is released too.
* Perhaps the document.all results should have their own hashtable
* in nsHTMLDocument.
*/
class nsIdentifierMapEntry : public nsStringHashKey
{
public:
typedef mozilla::dom::Element Element;
typedef mozilla::net::ReferrerPolicy ReferrerPolicy;
explicit nsIdentifierMapEntry(const nsAString& aKey) :
nsStringHashKey(&aKey), mNameContentList(nullptr)
{
}
explicit nsIdentifierMapEntry(const nsAString* aKey) :
nsStringHashKey(aKey), mNameContentList(nullptr)
{
}
nsIdentifierMapEntry(const nsIdentifierMapEntry& aOther) :
nsStringHashKey(&aOther.GetKey())
{
NS_ERROR("Should never be called");
}
~nsIdentifierMapEntry();
void AddNameElement(nsINode* aDocument, Element* aElement);
void RemoveNameElement(Element* aElement);
bool IsEmpty();
nsBaseContentList* GetNameContentList() {
return mNameContentList;
}
bool HasNameElement() const {
return mNameContentList && mNameContentList->Length() != 0;
}
/**
* Returns the element if we know the element associated with this
* id. Otherwise returns null.
*/
Element* GetIdElement();
/**
* Returns the list of all elements associated with this id.
*/
const nsTArray<Element*>& GetIdElements() const {
return mIdContentList;
}
/**
* If this entry has a non-null image element set (using SetImageElement),
* the image element will be returned, otherwise the same as GetIdElement().
*/
Element* GetImageIdElement();
/**
* Append all the elements with this id to aElements
*/
void AppendAllIdContent(nsCOMArray<nsIContent>* aElements);
/**
* This can fire ID change callbacks.
* @return true if the content could be added, false if we failed due
* to OOM.
*/
bool AddIdElement(Element* aElement);
/**
* This can fire ID change callbacks.
*/
void RemoveIdElement(Element* aElement);
/**
* Set the image element override for this ID. This will be returned by
* GetIdElement(true) if non-null.
*/
void SetImageElement(Element* aElement);
bool HasIdElementExposedAsHTMLDocumentProperty();
bool HasContentChangeCallback() { return mChangeCallbacks != nullptr; }
void AddContentChangeCallback(nsIDocument::IDTargetObserver aCallback,
void* aData, bool aForImage);
void RemoveContentChangeCallback(nsIDocument::IDTargetObserver aCallback,
void* aData, bool aForImage);
/**
* Remove all elements and notify change listeners.
*/
void ClearAndNotify();
void Traverse(nsCycleCollectionTraversalCallback* aCallback);
struct ChangeCallback {
nsIDocument::IDTargetObserver mCallback;
void* mData;
bool mForImage;
};
struct ChangeCallbackEntry : public PLDHashEntryHdr {
typedef const ChangeCallback KeyType;
typedef const ChangeCallback* KeyTypePointer;
explicit ChangeCallbackEntry(const ChangeCallback* aKey) :
mKey(*aKey) { }
ChangeCallbackEntry(const ChangeCallbackEntry& toCopy) :
mKey(toCopy.mKey) { }
KeyType GetKey() const { return mKey; }
bool KeyEquals(KeyTypePointer aKey) const {
return aKey->mCallback == mKey.mCallback &&
aKey->mData == mKey.mData &&
aKey->mForImage == mKey.mForImage;
}
static KeyTypePointer KeyToPointer(KeyType& aKey) { return &aKey; }
static PLDHashNumber HashKey(KeyTypePointer aKey)
{
return mozilla::HashGeneric(aKey->mCallback, aKey->mData);
}
enum { ALLOW_MEMMOVE = true };
ChangeCallback mKey;
};
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
void FireChangeCallbacks(Element* aOldElement, Element* aNewElement,
bool aImageOnly = false);
// empty if there are no elements with this ID.
// The elements are stored as weak pointers.
nsTArray<Element*> mIdContentList;
RefPtr<nsBaseContentList> mNameContentList;
nsAutoPtr<nsTHashtable<ChangeCallbackEntry> > mChangeCallbacks;
RefPtr<Element> mImageElement;
};
#endif // #ifndef nsIdentifierMapEntry_h

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@ -13,6 +13,7 @@
#include "nsNullPrincipal.h"
#include "nsThreadUtils.h"
#include "nsContentUtils.h"
#include "nsWrapperCacheInlines.h"
#include "xpcprivate.h"

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@ -68,6 +68,7 @@
#include "mozInlineSpellChecker.h"
#include "nsDocShell.h"
#include "nsIConsoleListener.h"
#include "nsIContentViewer.h"
#include "nsICycleCollectorListener.h"
#include "nsIIdlePeriod.h"
#include "nsIDragService.h"

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@ -8,6 +8,7 @@
#include "mozilla/dom/WorkletGlobalScopeBinding.h"
#include "mozilla/dom/Console.h"
#include "nsContentUtils.h"
#include "nsWrapperCacheInlines.h"
namespace mozilla {
namespace dom {

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@ -17,6 +17,9 @@
#include "nsCOMPtr.h"
#include "nsColor.h"
#include "nsComputedDOMStyle.h"
#ifdef DEBUG
#include "nsDocument.h"
#endif
#include "nsDebug.h"
#include "nsDependentSubstring.h"
#include "nsError.h"

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@ -11,6 +11,9 @@
#include "nsCOMPtr.h"
#include "nsComputedDOMStyle.h"
#include "nsDebug.h"
#ifdef DEBUG
#include "nsDocument.h"
#endif
#include "nsError.h"
#include "nsGkAtoms.h"
#include "nsIAtom.h"

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@ -7,6 +7,10 @@
#define HTMLEditUtils_h
#include <stdint.h>
#ifdef DEBUG
// Used by various files for debug logging; included here to reduce duplication
#include "nsDocument.h"
#endif
class nsIDOMNode;
class nsINode;

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@ -50,6 +50,7 @@
#include "nsGkAtoms.h"
#include "nsIThreadInternal.h"
#include "nsINetworkPredictor.h"
#include "nsITimedChannel.h"
#include "mozilla/dom/ShadowRoot.h"
#include "mozilla/dom/URL.h"
#include "mozilla/AsyncEventDispatcher.h"