mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-08 05:52:32 +00:00
f2d1f3b005
Currently nsAtom::mString points to the interior of an nsStringBuffer. For static atoms this requires the use of nsFakeStringBuffer, which is pretty gross. This patch changes things so that nsAtom::mString points to a static char buffer for static atoms. This simplifies a number of things: - nsFakeStringBuffer and CheckStaticAtomSizes are no longer needed. - FakeBufferRefCountHelper is no longer needed. - nsAtom's constructor for static atoms is simpler. - RegisterStaticAtoms() is simpler. On the flip-side, a couple of things get more complicated. - nsAtom::ToString() treats static and dynamic atoms differently. - nsAtom::GetStringBuffer() is now only valid for dynamic atoms. This function is only used in two places, both involving DOMString, so those locations are updated appropriately. This also requires updating some other code assigning nsStrings to DOMStrings, because we can't assume that nsStrings are shared. On Linux64 this change reduces the size of the binary by 8752 B, and moves 81968 B from the .data to the .rodata section, where it can be shared between processes. --HG-- extra : rebase_source : 0f6fcdec1c525aa66222e208b66a9f9026f69bcb
2304 lines
81 KiB
C++
2304 lines
81 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 nsINode_h___
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#define nsINode_h___
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#include "mozilla/Likely.h"
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#include "mozilla/UniquePtr.h"
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#include "nsCOMPtr.h" // for member, local
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#include "nsGkAtoms.h" // for nsGkAtoms::baseURIProperty
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#include "nsIDOMNode.h"
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#include "mozilla/dom/NodeInfo.h" // member (in nsCOMPtr)
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#include "nsIVariant.h" // for use in GetUserData()
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#include "nsNodeInfoManager.h" // for use in NodePrincipal()
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#include "nsPropertyTable.h" // for typedefs
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#include "nsTObserverArray.h" // for member
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#include "nsWindowSizes.h" // for nsStyleSizes
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#include "mozilla/ErrorResult.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/dom/EventTarget.h" // for base class
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#include "js/TypeDecls.h" // for Handle, Value, JSObject, JSContext
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#include "mozilla/dom/DOMString.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "nsTHashtable.h"
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#include <iosfwd>
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// Including 'windows.h' will #define GetClassInfo to something else.
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#ifdef XP_WIN
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#ifdef GetClassInfo
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#undef GetClassInfo
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#endif
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#endif
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class nsAttrAndChildArray;
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class nsAttrChildContentList;
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struct nsCSSSelectorList;
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class nsDOMAttributeMap;
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class nsIAnimationObserver;
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class nsIContent;
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class nsIDocument;
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class nsIDOMElement;
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class nsIDOMNodeList;
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class nsIFrame;
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class nsIMutationObserver;
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class nsINode;
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class nsINodeList;
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class nsIPresShell;
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class nsIPrincipal;
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class nsIURI;
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class nsNodeSupportsWeakRefTearoff;
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class nsNodeWeakReference;
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class nsDOMMutationObserver;
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class nsRange;
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struct RawServoSelectorList;
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namespace mozilla {
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class EventListenerManager;
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class TextEditor;
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namespace dom {
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/**
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* @return true if aChar is what the WHATWG defines as a 'ascii whitespace'.
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* https://infra.spec.whatwg.org/#ascii-whitespace
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*/
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inline bool IsSpaceCharacter(char16_t aChar) {
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return aChar == ' ' || aChar == '\t' || aChar == '\n' || aChar == '\r' ||
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aChar == '\f';
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}
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inline bool IsSpaceCharacter(char aChar) {
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return aChar == ' ' || aChar == '\t' || aChar == '\n' || aChar == '\r' ||
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aChar == '\f';
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}
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class AccessibleNode;
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struct BoxQuadOptions;
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struct ConvertCoordinateOptions;
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class DOMPoint;
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class DOMQuad;
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class DOMRectReadOnly;
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class Element;
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class EventHandlerNonNull;
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template<typename T> class Optional;
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class OwningNodeOrString;
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template<typename> class Sequence;
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class Text;
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class TextOrElementOrDocument;
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struct DOMPointInit;
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struct GetRootNodeOptions;
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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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#define NODE_FLAG_BIT(n_) \
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(nsWrapperCache::FlagsType(1U) << (WRAPPER_CACHE_FLAGS_BITS_USED + (n_)))
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enum {
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// This bit will be set if the node has a listener manager.
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NODE_HAS_LISTENERMANAGER = NODE_FLAG_BIT(0),
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// Whether this node has had any properties set on it
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NODE_HAS_PROPERTIES = NODE_FLAG_BIT(1),
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// Whether this node is the root of an anonymous subtree. Note that this
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// need not be a native anonymous subtree. Any anonymous subtree, including
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// XBL-generated ones, will do. This flag is set-once: once a node has it,
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// it must not be removed.
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// NOTE: Should only be used on nsIContent nodes
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NODE_IS_ANONYMOUS_ROOT = NODE_FLAG_BIT(2),
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// Whether the node has some ancestor, possibly itself, that is native
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// anonymous. This includes ancestors crossing XBL scopes, in cases when an
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// XBL binding is attached to an element which has a native anonymous
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// ancestor. This flag is set-once: once a node has it, it must not be
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// removed.
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// NOTE: Should only be used on nsIContent nodes
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NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE = NODE_FLAG_BIT(3),
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// Whether this node is the root of a native anonymous (from the perspective
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// of its parent) subtree. This flag is set-once: once a node has it, it
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// must not be removed.
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// NOTE: Should only be used on nsIContent nodes
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NODE_IS_NATIVE_ANONYMOUS_ROOT = NODE_FLAG_BIT(4),
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// Forces the XBL code to treat this node as if it were
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// in the document and therefore should get bindings attached.
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NODE_FORCE_XBL_BINDINGS = NODE_FLAG_BIT(5),
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// Whether a binding manager may have a pointer to this
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NODE_MAY_BE_IN_BINDING_MNGR = NODE_FLAG_BIT(6),
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NODE_IS_EDITABLE = NODE_FLAG_BIT(7),
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// This node was created by layout as native anonymous content. This
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// generally corresponds to things created by nsIAnonymousContentCreator,
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// though there are exceptions (svg:use content does not have this flag
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// set, and any non-nsIAnonymousContentCreator callers of
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// SetIsNativeAnonymousRoot also get this flag).
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//
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// One very important aspect here is that this node is not transitive over
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// the subtree (if you want that, use NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE).
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// If Gecko code somewhere attaches children to a node with this bit set,
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// the children will not have the bit themselves unless the calling code sets
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// it explicitly. This means that XBL content bound to NAC doesn't get this
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// bit, nor do nodes inserted by editor.
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//
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// For now, this bit exists primarily to control style inheritance behavior,
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// since the nodes for which we set it are often used to implement pseudo-
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// elements, which need to inherit style from a script-visible element.
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//
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// A more general principle for this bit might be this: If the node is entirely
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// a detail of layout, is not script-observable in any way, and other engines
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// might accomplish the same task with a nodeless layout frame, then the node
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// should have this bit set.
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NODE_IS_NATIVE_ANONYMOUS = NODE_FLAG_BIT(8),
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// Whether the node participates in a shadow tree.
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NODE_IS_IN_SHADOW_TREE = NODE_FLAG_BIT(9),
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// Node has an :empty or :-moz-only-whitespace selector
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NODE_HAS_EMPTY_SELECTOR = NODE_FLAG_BIT(10),
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// A child of the node has a selector such that any insertion,
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// removal, or appending of children requires restyling the parent.
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NODE_HAS_SLOW_SELECTOR = NODE_FLAG_BIT(11),
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// A child of the node has a :first-child, :-moz-first-node,
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// :only-child, :last-child or :-moz-last-node selector.
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NODE_HAS_EDGE_CHILD_SELECTOR = NODE_FLAG_BIT(12),
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// A child of the node has a selector such that any insertion or
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// removal of children requires restyling later siblings of that
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// element. Additionally (in this manner it is stronger than
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// NODE_HAS_SLOW_SELECTOR), if a child's style changes due to any
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// other content tree changes (e.g., the child changes to or from
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// matching :empty due to a grandchild insertion or removal), the
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// child's later siblings must also be restyled.
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NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS = NODE_FLAG_BIT(13),
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NODE_ALL_SELECTOR_FLAGS = NODE_HAS_EMPTY_SELECTOR |
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NODE_HAS_SLOW_SELECTOR |
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NODE_HAS_EDGE_CHILD_SELECTOR |
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NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS,
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// This node needs to go through frame construction to get a frame (or
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// undisplayed entry).
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NODE_NEEDS_FRAME = NODE_FLAG_BIT(14),
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// At least one descendant in the flattened tree has NODE_NEEDS_FRAME set.
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// This should be set on every node on the flattened tree path between the
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// node(s) with NODE_NEEDS_FRAME and the root content.
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NODE_DESCENDANTS_NEED_FRAMES = NODE_FLAG_BIT(15),
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// Set if the node has the accesskey attribute set.
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NODE_HAS_ACCESSKEY = NODE_FLAG_BIT(16),
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// Set if the node has right-to-left directionality
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NODE_HAS_DIRECTION_RTL = NODE_FLAG_BIT(17),
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// Set if the node has left-to-right directionality
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NODE_HAS_DIRECTION_LTR = NODE_FLAG_BIT(18),
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NODE_ALL_DIRECTION_FLAGS = NODE_HAS_DIRECTION_LTR |
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NODE_HAS_DIRECTION_RTL,
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NODE_CHROME_ONLY_ACCESS = NODE_FLAG_BIT(19),
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NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS = NODE_FLAG_BIT(20),
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// Remaining bits are node type specific.
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NODE_TYPE_SPECIFIC_BITS_OFFSET = 21
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};
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// Make sure we have space for our bits
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#define ASSERT_NODE_FLAGS_SPACE(n) \
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static_assert(WRAPPER_CACHE_FLAGS_BITS_USED + (n) <= \
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sizeof(nsWrapperCache::FlagsType) * 8, \
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"Not enough space for our bits")
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ASSERT_NODE_FLAGS_SPACE(NODE_TYPE_SPECIFIC_BITS_OFFSET);
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/**
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* Class used to detect unexpected mutations. To use the class create an
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* nsMutationGuard on the stack before unexpected mutations could occur.
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* You can then at any time call Mutated to check if any unexpected mutations
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* have occurred.
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*/
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class nsMutationGuard {
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public:
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nsMutationGuard()
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{
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mStartingGeneration = sGeneration;
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}
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/**
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* Returns true if any unexpected mutations have occurred. You can pass in
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* an 8-bit ignore count to ignore a number of expected mutations.
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*
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* We don't need to care about overflow because subtraction of uint64_t's is
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* finding the difference between two elements of the group Z < 2^64. Once
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* we know the difference between two elements we only need to check that is
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* less than the given number of mutations to know less than that many
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* mutations occured. Assuming constant 1ns mutations it would take 584
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* years for sGeneration to fully wrap around so we can ignore a guard living
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* through a full wrap around.
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*/
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bool Mutated(uint8_t aIgnoreCount)
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{
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return (sGeneration - mStartingGeneration) > aIgnoreCount;
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}
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// This function should be called whenever a mutation that we want to keep
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// track of happen. For now this is only done when children are added or
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// removed, but we might do it for attribute changes too in the future.
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static void DidMutate()
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{
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sGeneration++;
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}
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private:
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// This is the value sGeneration had when the guard was constructed.
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uint64_t mStartingGeneration;
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// This value is incremented on every mutation, for the life of the process.
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static uint64_t sGeneration;
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};
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// This should be used for any nsINode sub-class that has fields of its own
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// that it needs to measure; any sub-class that doesn't use it will inherit
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// AddSizeOfExcludingThis from its super-class. AddSizeOfIncludingThis() need
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// not be defined, it is inherited from nsINode.
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#define NS_DECL_ADDSIZEOFEXCLUDINGTHIS \
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virtual void AddSizeOfExcludingThis(nsWindowSizes& aSizes, \
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size_t* aNodeSize) const override;
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// Categories of node properties
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// 0 is global.
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#define DOM_USER_DATA 1
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// IID for the nsINode interface
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#define NS_INODE_IID \
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{ 0x70ba4547, 0x7699, 0x44fc, \
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{ 0xb3, 0x20, 0x52, 0xdb, 0xe3, 0xd1, 0xf9, 0x0a } }
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/**
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* An internal interface that abstracts some DOMNode-related parts that both
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* nsIContent and nsIDocument share. An instance of this interface has a list
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* of nsIContent children and provides access to them.
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*/
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class nsINode : public mozilla::dom::EventTarget
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{
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public:
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typedef mozilla::dom::BoxQuadOptions BoxQuadOptions;
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typedef mozilla::dom::ConvertCoordinateOptions ConvertCoordinateOptions;
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typedef mozilla::dom::DOMPoint DOMPoint;
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typedef mozilla::dom::DOMPointInit DOMPointInit;
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typedef mozilla::dom::DOMQuad DOMQuad;
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typedef mozilla::dom::DOMRectReadOnly DOMRectReadOnly;
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typedef mozilla::dom::OwningNodeOrString OwningNodeOrString;
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typedef mozilla::dom::TextOrElementOrDocument TextOrElementOrDocument;
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typedef mozilla::dom::CallerType CallerType;
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typedef mozilla::ErrorResult ErrorResult;
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template<class T>
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using Sequence = mozilla::dom::Sequence<T>;
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_INODE_IID)
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// The |aNodeSize| outparam on this function is where the actual node size
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// value is put. It gets added to the appropriate value within |aSizes| by
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// AddSizeOfNodeTree().
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//
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// Among the sub-classes that inherit (directly or indirectly) from nsINode,
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// measurement of the following members may be added later if DMD finds it is
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// worthwhile:
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// - nsGenericHTMLElement: mForm, mFieldSet
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// - nsGenericHTMLFrameElement: mFrameLoader (bug 672539)
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// - HTMLBodyElement: mContentStyleRule
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// - HTMLDataListElement: mOptions
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// - HTMLFieldSetElement: mElements, mDependentElements, mFirstLegend
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// - HTMLFormElement: many!
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// - HTMLFrameSetElement: mRowSpecs, mColSpecs
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// - HTMLInputElement: mInputData, mFiles, mFileList, mStaticDocfileList
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// - nsHTMLMapElement: mAreas
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// - HTMLMediaElement: many!
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// - nsHTMLOutputElement: mDefaultValue, mTokenList
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// - nsHTMLRowElement: mCells
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// - nsHTMLSelectElement: mOptions, mRestoreState
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// - nsHTMLTableElement: mTBodies, mRows, mTableInheritedAttributes
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// - nsHTMLTableSectionElement: mRows
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// - nsHTMLTextAreaElement: mControllers, mState
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//
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// The following members don't need to be measured:
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// - nsIContent: mPrimaryFrame, because it's non-owning and measured elsewhere
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//
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virtual void AddSizeOfExcludingThis(nsWindowSizes& aSizes,
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size_t* aNodeSize) const;
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// SizeOfIncludingThis doesn't need to be overridden by sub-classes because
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// sub-classes of nsINode are guaranteed to be laid out in memory in such a
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// way that |this| points to the start of the allocated object, even in
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// methods of nsINode's sub-classes, so aSizes.mState.mMallocSizeOf(this) is
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// always safe to call no matter which object it was invoked on.
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virtual void AddSizeOfIncludingThis(nsWindowSizes& aSizes,
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size_t* aNodeSize) const {
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*aNodeSize += aSizes.mState.mMallocSizeOf(this);
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AddSizeOfExcludingThis(aSizes, aNodeSize);
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}
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friend class nsNodeUtils;
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friend class nsNodeWeakReference;
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friend class nsNodeSupportsWeakRefTearoff;
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friend class nsAttrAndChildArray;
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#ifdef MOZILLA_INTERNAL_API
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explicit nsINode(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: mNodeInfo(aNodeInfo)
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, mParent(nullptr)
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#ifndef BOOL_FLAGS_ON_WRAPPER_CACHE
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, mBoolFlags(0)
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#endif
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, mNextSibling(nullptr)
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, mPreviousSibling(nullptr)
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, mFirstChild(nullptr)
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, mSubtreeRoot(this)
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, mSlots(nullptr)
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{
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}
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#endif
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virtual ~nsINode();
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/**
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* Bit-flags to pass (or'ed together) to IsNodeOfType()
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*/
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enum {
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/** nsIContent nodes */
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eCONTENT = 1 << 0,
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/** nsIDocument nodes */
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eDOCUMENT = 1 << 1,
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/** nsIAttribute nodes */
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eATTRIBUTE = 1 << 2,
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/** text nodes */
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eTEXT = 1 << 3,
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/** xml processing instructions */
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ePROCESSING_INSTRUCTION = 1 << 4,
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/** comment nodes */
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eCOMMENT = 1 << 5,
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/** form control elements */
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eHTML_FORM_CONTROL = 1 << 6,
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/** document fragments */
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eDOCUMENT_FRAGMENT = 1 << 7,
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/** data nodes (comments, PIs, text). Nodes of this type always
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returns a non-null value for nsIContent::GetText() */
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eDATA_NODE = 1 << 8,
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/** HTMLMediaElement */
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eMEDIA = 1 << 9,
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/** animation elements */
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eANIMATION = 1 << 10,
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/** filter elements that implement SVGFilterPrimitiveStandardAttributes */
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eFILTER = 1 << 11
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};
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/**
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* API for doing a quick check if a content is of a given
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* type, such as Text, Document, Comment ... Use this when you can instead of
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* checking the tag.
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*
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* @param aFlags what types you want to test for (see above)
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* @return whether the content matches ALL flags passed in
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*/
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virtual bool IsNodeOfType(uint32_t aFlags) const = 0;
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bool
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IsContainerNode() const
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|
{
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return IsElement() ||
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!(IsNodeOfType(eTEXT) ||
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IsNodeOfType(ePROCESSING_INSTRUCTION) ||
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IsNodeOfType(eCOMMENT) ||
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IsNodeOfType(eDATA_NODE));
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}
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virtual JSObject* WrapObject(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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/**
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|
* returns true if we are in priviliged code or
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* layout.css.getBoxQuads.enabled == true.
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*/
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static bool HasBoxQuadsSupport(JSContext* aCx, JSObject* /* unused */);
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protected:
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/**
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* WrapNode is called from WrapObject to actually wrap this node, WrapObject
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* does some additional checks and fix-up that's common to all nodes. WrapNode
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* should just call the DOM binding's Wrap function.
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*
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* aGivenProto is the prototype to use (or null if the default one should be
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* used) and should just be passed directly on to the DOM binding's Wrap
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* function.
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*/
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) = 0;
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|
|
|
public:
|
|
mozilla::dom::ParentObject GetParentObject() const; // Implemented in nsIDocument.h
|
|
|
|
/**
|
|
* Return the scope chain parent for this node, for use in things
|
|
* like event handler compilation. Returning null means to use the
|
|
* global object as the scope chain parent.
|
|
*/
|
|
virtual nsINode* GetScopeChainParent() const;
|
|
|
|
/**
|
|
* Return whether the node is an Element node
|
|
*/
|
|
bool IsElement() const {
|
|
return GetBoolFlag(NodeIsElement);
|
|
}
|
|
|
|
/**
|
|
* Return this node as an Element. Should only be used for nodes
|
|
* for which IsElement() is true. This is defined inline in Element.h.
|
|
*/
|
|
mozilla::dom::Element* AsElement();
|
|
const mozilla::dom::Element* AsElement() const;
|
|
|
|
/**
|
|
* Return this node as nsIContent. Should only be used for nodes for which
|
|
* IsContent() is true. This is defined inline in nsIContent.h.
|
|
*/
|
|
nsIContent* AsContent();
|
|
const nsIContent* AsContent() const
|
|
{
|
|
return const_cast<nsINode*>(this)->AsContent();
|
|
}
|
|
|
|
/**
|
|
* Return this node as Text if it is one, otherwise null. This is defined
|
|
* inline in Text.h.
|
|
*/
|
|
mozilla::dom::Text* GetAsText();
|
|
const mozilla::dom::Text* GetAsText() const;
|
|
|
|
virtual nsIDOMNode* AsDOMNode() = 0;
|
|
|
|
/**
|
|
* Return if this node has any children.
|
|
*/
|
|
bool HasChildren() const { return !!mFirstChild; }
|
|
|
|
/**
|
|
* Get the number of children
|
|
* @return the number of children
|
|
*/
|
|
virtual uint32_t GetChildCount() const = 0;
|
|
|
|
/**
|
|
* Get a child by index
|
|
* @param aIndex the index of the child to get
|
|
* @return the child, or null if index out of bounds
|
|
*/
|
|
virtual nsIContent* GetChildAt(uint32_t aIndex) const = 0;
|
|
|
|
/**
|
|
* Get the index of a child within this content
|
|
* @param aPossibleChild the child to get the index of.
|
|
* @return the index of the child, or -1 if not a child
|
|
*
|
|
* If the return value is not -1, then calling GetChildAt() with that value
|
|
* will return aPossibleChild.
|
|
*/
|
|
virtual int32_t IndexOf(const nsINode* aPossibleChild) const = 0;
|
|
|
|
/**
|
|
* Returns the "node document" of this node.
|
|
*
|
|
* https://dom.spec.whatwg.org/#concept-node-document
|
|
*
|
|
* Note that in the case that this node is a document node this method
|
|
* will return |this|. That is different to the Node.ownerDocument DOM
|
|
* attribute (implemented by nsINode::GetOwnerDocument) which is specified to
|
|
* be null in that case:
|
|
*
|
|
* https://dom.spec.whatwg.org/#dom-node-ownerdocument
|
|
*
|
|
* For all other cases OwnerDoc and GetOwnerDocument behave identically.
|
|
*/
|
|
nsIDocument *OwnerDoc() const
|
|
{
|
|
return mNodeInfo->GetDocument();
|
|
}
|
|
|
|
/**
|
|
* Return the "owner document" of this node as an nsINode*. Implemented
|
|
* in nsIDocument.h.
|
|
*/
|
|
nsINode *OwnerDocAsNode() const;
|
|
|
|
/**
|
|
* Returns true if the content has an ancestor that is a document.
|
|
*
|
|
* @return whether this content is in a document tree
|
|
*/
|
|
bool IsInUncomposedDoc() const
|
|
{
|
|
return GetBoolFlag(IsInDocument);
|
|
}
|
|
|
|
/**
|
|
* Get the document that this content is currently in, if any. This will be
|
|
* null if the content has no ancestor that is a document.
|
|
*
|
|
* @return the current document
|
|
*/
|
|
|
|
nsIDocument* GetUncomposedDoc() const
|
|
{
|
|
return IsInUncomposedDoc() ? OwnerDoc() : nullptr;
|
|
}
|
|
|
|
/**
|
|
* This method returns the owner doc if the node is in the
|
|
* composed document (as defined in the Shadow DOM spec), otherwise
|
|
* it returns null.
|
|
*/
|
|
nsIDocument* GetComposedDoc() const
|
|
{
|
|
return IsInShadowTree() ?
|
|
GetComposedDocInternal() : GetUncomposedDoc();
|
|
}
|
|
|
|
/**
|
|
* Returns true if GetComposedDoc() would return a non-null value.
|
|
*/
|
|
bool IsInComposedDoc() const
|
|
{
|
|
return IsInUncomposedDoc() || (IsInShadowTree() && GetComposedDocInternal());
|
|
}
|
|
|
|
/**
|
|
* The values returned by this function are the ones defined for
|
|
* nsIDOMNode.nodeType
|
|
*/
|
|
uint16_t NodeType() const
|
|
{
|
|
return mNodeInfo->NodeType();
|
|
}
|
|
const nsString& NodeName() const
|
|
{
|
|
return mNodeInfo->NodeName();
|
|
}
|
|
const nsString& LocalName() const
|
|
{
|
|
return mNodeInfo->LocalName();
|
|
}
|
|
|
|
/**
|
|
* Get the NodeInfo for this element
|
|
* @return the nodes node info
|
|
*/
|
|
inline mozilla::dom::NodeInfo* NodeInfo() const
|
|
{
|
|
return mNodeInfo;
|
|
}
|
|
|
|
inline bool IsInNamespace(int32_t aNamespace) const
|
|
{
|
|
return mNodeInfo->NamespaceID() == aNamespace;
|
|
}
|
|
|
|
/**
|
|
* Print a debugger friendly descriptor of this element. This will describe
|
|
* the position of this element in the document.
|
|
*/
|
|
friend std::ostream& operator<<(std::ostream& aStream, const nsINode& aNode);
|
|
|
|
protected:
|
|
// These 2 methods are useful for the recursive templates IsHTMLElement,
|
|
// IsSVGElement, etc.
|
|
inline bool IsNodeInternal() const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
template<typename First, typename... Args>
|
|
inline bool IsNodeInternal(First aFirst, Args... aArgs) const
|
|
{
|
|
return mNodeInfo->Equals(aFirst) || IsNodeInternal(aArgs...);
|
|
}
|
|
|
|
public:
|
|
inline bool IsHTMLElement() const
|
|
{
|
|
return IsElement() && IsInNamespace(kNameSpaceID_XHTML);
|
|
}
|
|
|
|
inline bool IsHTMLElement(nsAtom* aTag) const
|
|
{
|
|
return IsElement() && mNodeInfo->Equals(aTag, kNameSpaceID_XHTML);
|
|
}
|
|
|
|
template<typename First, typename... Args>
|
|
inline bool IsAnyOfHTMLElements(First aFirst, Args... aArgs) const
|
|
{
|
|
return IsHTMLElement() && IsNodeInternal(aFirst, aArgs...);
|
|
}
|
|
|
|
inline bool IsSVGElement() const
|
|
{
|
|
return IsElement() && IsInNamespace(kNameSpaceID_SVG);
|
|
}
|
|
|
|
inline bool IsSVGElement(nsAtom* aTag) const
|
|
{
|
|
return IsElement() && mNodeInfo->Equals(aTag, kNameSpaceID_SVG);
|
|
}
|
|
|
|
template<typename First, typename... Args>
|
|
inline bool IsAnyOfSVGElements(First aFirst, Args... aArgs) const
|
|
{
|
|
return IsSVGElement() && IsNodeInternal(aFirst, aArgs...);
|
|
}
|
|
|
|
inline bool IsXULElement() const
|
|
{
|
|
return IsElement() && IsInNamespace(kNameSpaceID_XUL);
|
|
}
|
|
|
|
inline bool IsXULElement(nsAtom* aTag) const
|
|
{
|
|
return IsElement() && mNodeInfo->Equals(aTag, kNameSpaceID_XUL);
|
|
}
|
|
|
|
template<typename First, typename... Args>
|
|
inline bool IsAnyOfXULElements(First aFirst, Args... aArgs) const
|
|
{
|
|
return IsXULElement() && IsNodeInternal(aFirst, aArgs...);
|
|
}
|
|
|
|
inline bool IsMathMLElement() const
|
|
{
|
|
return IsElement() && IsInNamespace(kNameSpaceID_MathML);
|
|
}
|
|
|
|
inline bool IsMathMLElement(nsAtom* aTag) const
|
|
{
|
|
return IsElement() && mNodeInfo->Equals(aTag, kNameSpaceID_MathML);
|
|
}
|
|
|
|
template<typename First, typename... Args>
|
|
inline bool IsAnyOfMathMLElements(First aFirst, Args... aArgs) const
|
|
{
|
|
return IsMathMLElement() && IsNodeInternal(aFirst, aArgs...);
|
|
}
|
|
|
|
/**
|
|
* Insert a content node at a particular index. This method handles calling
|
|
* BindToTree on the child appropriately.
|
|
*
|
|
* @param aKid the content to insert
|
|
* @param aIndex the index it is being inserted at (the index it will have
|
|
* after it is inserted)
|
|
* @param aNotify whether to notify the document (current document for
|
|
* nsIContent, and |this| for nsIDocument) that the insert has
|
|
* occurred
|
|
*
|
|
* @throws NS_ERROR_DOM_HIERARCHY_REQUEST_ERR if one attempts to have more
|
|
* than one element node as a child of a document. Doing this will also
|
|
* assert -- you shouldn't be doing it! Check with
|
|
* nsIDocument::GetRootElement() first if you're not sure. Apart from this
|
|
* one constraint, this doesn't do any checking on whether aKid is a valid
|
|
* child of |this|.
|
|
*
|
|
* @throws NS_ERROR_OUT_OF_MEMORY in some cases (from BindToTree).
|
|
*/
|
|
virtual nsresult InsertChildAt(nsIContent* aKid, uint32_t aIndex,
|
|
bool aNotify) = 0;
|
|
|
|
/**
|
|
* Append a content node to the end of the child list. This method handles
|
|
* calling BindToTree on the child appropriately.
|
|
*
|
|
* @param aKid the content to append
|
|
* @param aNotify whether to notify the document (current document for
|
|
* nsIContent, and |this| for nsIDocument) that the append has
|
|
* occurred
|
|
*
|
|
* @throws NS_ERROR_DOM_HIERARCHY_REQUEST_ERR if one attempts to have more
|
|
* than one element node as a child of a document. Doing this will also
|
|
* assert -- you shouldn't be doing it! Check with
|
|
* nsIDocument::GetRootElement() first if you're not sure. Apart from this
|
|
* one constraint, this doesn't do any checking on whether aKid is a valid
|
|
* child of |this|.
|
|
*
|
|
* @throws NS_ERROR_OUT_OF_MEMORY in some cases (from BindToTree).
|
|
*/
|
|
nsresult AppendChildTo(nsIContent* aKid, bool aNotify)
|
|
{
|
|
return InsertChildAt(aKid, GetChildCount(), aNotify);
|
|
}
|
|
|
|
/**
|
|
* Remove a child from this node. This method handles calling UnbindFromTree
|
|
* on the child appropriately.
|
|
*
|
|
* @param aIndex the index of the child to remove
|
|
* @param aNotify whether to notify the document (current document for
|
|
* nsIContent, and |this| for nsIDocument) that the remove has
|
|
* occurred
|
|
*
|
|
* Note: If there is no child at aIndex, this method will simply do nothing.
|
|
*/
|
|
virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) = 0;
|
|
|
|
/**
|
|
* Get a property associated with this node.
|
|
*
|
|
* @param aPropertyName name of property to get.
|
|
* @param aStatus out parameter for storing resulting status.
|
|
* Set to NS_PROPTABLE_PROP_NOT_THERE if the property
|
|
* is not set.
|
|
* @return the property. Null if the property is not set
|
|
* (though a null return value does not imply the
|
|
* property was not set, i.e. it can be set to null).
|
|
*/
|
|
void* GetProperty(nsAtom *aPropertyName,
|
|
nsresult *aStatus = nullptr) const
|
|
{
|
|
return GetProperty(0, aPropertyName, aStatus);
|
|
}
|
|
|
|
/**
|
|
* Get a property associated with this node.
|
|
*
|
|
* @param aCategory category of property to get.
|
|
* @param aPropertyName name of property to get.
|
|
* @param aStatus out parameter for storing resulting status.
|
|
* Set to NS_PROPTABLE_PROP_NOT_THERE if the property
|
|
* is not set.
|
|
* @return the property. Null if the property is not set
|
|
* (though a null return value does not imply the
|
|
* property was not set, i.e. it can be set to null).
|
|
*/
|
|
void* GetProperty(uint16_t aCategory, nsAtom *aPropertyName,
|
|
nsresult *aStatus = nullptr) const;
|
|
|
|
/**
|
|
* Set a property to be associated with this node. This will overwrite an
|
|
* existing value if one exists. The existing value is destroyed using the
|
|
* destructor function given when that value was set.
|
|
*
|
|
* @param aPropertyName name of property to set.
|
|
* @param aValue new value of property.
|
|
* @param aDtor destructor function to be used when this property
|
|
* is destroyed.
|
|
* @param aTransfer if true the property will not be deleted when the
|
|
* ownerDocument of the node changes, if false it
|
|
* will be deleted.
|
|
*
|
|
* @return NS_PROPTABLE_PROP_OVERWRITTEN (success value) if the property
|
|
* was already set
|
|
* @throws NS_ERROR_OUT_OF_MEMORY if that occurs
|
|
*/
|
|
nsresult SetProperty(nsAtom *aPropertyName, void *aValue,
|
|
NSPropertyDtorFunc aDtor = nullptr,
|
|
bool aTransfer = false)
|
|
{
|
|
return SetProperty(0, aPropertyName, aValue, aDtor, aTransfer);
|
|
}
|
|
|
|
/**
|
|
* Set a property to be associated with this node. This will overwrite an
|
|
* existing value if one exists. The existing value is destroyed using the
|
|
* destructor function given when that value was set.
|
|
*
|
|
* @param aCategory category of property to set.
|
|
* @param aPropertyName name of property to set.
|
|
* @param aValue new value of property.
|
|
* @param aDtor destructor function to be used when this property
|
|
* is destroyed.
|
|
* @param aTransfer if true the property will not be deleted when the
|
|
* ownerDocument of the node changes, if false it
|
|
* will be deleted.
|
|
* @param aOldValue [out] previous value of property.
|
|
*
|
|
* @return NS_PROPTABLE_PROP_OVERWRITTEN (success value) if the property
|
|
* was already set
|
|
* @throws NS_ERROR_OUT_OF_MEMORY if that occurs
|
|
*/
|
|
nsresult SetProperty(uint16_t aCategory,
|
|
nsAtom *aPropertyName, void *aValue,
|
|
NSPropertyDtorFunc aDtor = nullptr,
|
|
bool aTransfer = false,
|
|
void **aOldValue = nullptr);
|
|
|
|
/**
|
|
* A generic destructor for property values allocated with new.
|
|
*/
|
|
template<class T>
|
|
static void DeleteProperty(void *, nsAtom *, void *aPropertyValue, void *)
|
|
{
|
|
delete static_cast<T *>(aPropertyValue);
|
|
}
|
|
|
|
/**
|
|
* Destroys a property associated with this node. The value is destroyed
|
|
* using the destruction function given when that value was set.
|
|
*
|
|
* @param aPropertyName name of property to destroy.
|
|
*/
|
|
void DeleteProperty(nsAtom *aPropertyName)
|
|
{
|
|
DeleteProperty(0, aPropertyName);
|
|
}
|
|
|
|
/**
|
|
* Destroys a property associated with this node. The value is destroyed
|
|
* using the destruction function given when that value was set.
|
|
*
|
|
* @param aCategory category of property to destroy.
|
|
* @param aPropertyName name of property to destroy.
|
|
*/
|
|
void DeleteProperty(uint16_t aCategory, nsAtom *aPropertyName);
|
|
|
|
/**
|
|
* Unset a property associated with this node. The value will not be
|
|
* destroyed but rather returned. It is the caller's responsibility to
|
|
* destroy the value after that point.
|
|
*
|
|
* @param aPropertyName name of property to unset.
|
|
* @param aStatus out parameter for storing resulting status.
|
|
* Set to NS_PROPTABLE_PROP_NOT_THERE if the property
|
|
* is not set.
|
|
* @return the property. Null if the property is not set
|
|
* (though a null return value does not imply the
|
|
* property was not set, i.e. it can be set to null).
|
|
*/
|
|
void* UnsetProperty(nsAtom *aPropertyName,
|
|
nsresult *aStatus = nullptr)
|
|
{
|
|
return UnsetProperty(0, aPropertyName, aStatus);
|
|
}
|
|
|
|
/**
|
|
* Unset a property associated with this node. The value will not be
|
|
* destroyed but rather returned. It is the caller's responsibility to
|
|
* destroy the value after that point.
|
|
*
|
|
* @param aCategory category of property to unset.
|
|
* @param aPropertyName name of property to unset.
|
|
* @param aStatus out parameter for storing resulting status.
|
|
* Set to NS_PROPTABLE_PROP_NOT_THERE if the property
|
|
* is not set.
|
|
* @return the property. Null if the property is not set
|
|
* (though a null return value does not imply the
|
|
* property was not set, i.e. it can be set to null).
|
|
*/
|
|
void* UnsetProperty(uint16_t aCategory, nsAtom *aPropertyName,
|
|
nsresult *aStatus = nullptr);
|
|
|
|
bool HasProperties() const
|
|
{
|
|
return HasFlag(NODE_HAS_PROPERTIES);
|
|
}
|
|
|
|
/**
|
|
* Return the principal of this node. This is guaranteed to never be a null
|
|
* pointer.
|
|
*/
|
|
nsIPrincipal* NodePrincipal() const {
|
|
return mNodeInfo->NodeInfoManager()->DocumentPrincipal();
|
|
}
|
|
|
|
/**
|
|
* Get the parent nsIContent for this node.
|
|
* @return the parent, or null if no parent or the parent is not an nsIContent
|
|
*/
|
|
nsIContent* GetParent() const {
|
|
return MOZ_LIKELY(GetBoolFlag(ParentIsContent)) ?
|
|
reinterpret_cast<nsIContent*>(mParent) : nullptr;
|
|
}
|
|
|
|
/**
|
|
* Get the parent nsINode for this node. This can be either an nsIContent,
|
|
* an nsIDocument or an nsIAttribute.
|
|
* @return the parent node
|
|
*/
|
|
nsINode* GetParentNode() const
|
|
{
|
|
return mParent;
|
|
}
|
|
|
|
/**
|
|
* Returns the node that is the parent of this node in the flattened
|
|
* tree. This differs from the normal parent if the node is filtered
|
|
* into an insertion point, or if the node is a direct child of a
|
|
* shadow root.
|
|
*
|
|
* @return the flattened tree parent
|
|
*/
|
|
inline nsINode* GetFlattenedTreeParentNode() const;
|
|
|
|
/**
|
|
* Like GetFlattenedTreeParentNode, but returns null for any native
|
|
* anonymous content that was generated for ancestor frames of the
|
|
* root element's primary frame, such as scrollbar elements created
|
|
* by the root scroll frame.
|
|
*/
|
|
inline nsINode* GetFlattenedTreeParentNodeForStyle() const;
|
|
|
|
inline mozilla::dom::Element* GetFlattenedTreeParentElement() const;
|
|
inline mozilla::dom::Element* GetFlattenedTreeParentElementForStyle() const;
|
|
|
|
/**
|
|
* Get the parent nsINode for this node if it is an Element.
|
|
* @return the parent node
|
|
*/
|
|
mozilla::dom::Element* GetParentElement() const
|
|
{
|
|
return mParent && mParent->IsElement() ? mParent->AsElement() : nullptr;
|
|
}
|
|
|
|
/**
|
|
* Get the parent Element of this node, traversing over a ShadowRoot
|
|
* to its host if necessary.
|
|
*/
|
|
mozilla::dom::Element* GetParentElementCrossingShadowRoot() const;
|
|
|
|
/**
|
|
* Get the root of the subtree this node belongs to. This never returns
|
|
* null. It may return 'this' (e.g. for document nodes, and nodes that
|
|
* are the roots of disconnected subtrees).
|
|
*/
|
|
nsINode* SubtreeRoot() const;
|
|
|
|
/*
|
|
* Get context object's shadow-including root if options's composed is true,
|
|
* and context object's root otherwise.
|
|
*/
|
|
nsINode* GetRootNode(const mozilla::dom::GetRootNodeOptions& aOptions);
|
|
|
|
/**
|
|
* See nsIDOMEventTarget
|
|
*/
|
|
NS_DECL_NSIDOMEVENTTARGET
|
|
|
|
virtual mozilla::EventListenerManager*
|
|
GetExistingListenerManager() const override;
|
|
virtual mozilla::EventListenerManager*
|
|
GetOrCreateListenerManager() override;
|
|
|
|
using mozilla::dom::EventTarget::RemoveEventListener;
|
|
using nsIDOMEventTarget::AddEventListener;
|
|
virtual void AddEventListener(const nsAString& aType,
|
|
mozilla::dom::EventListener* aListener,
|
|
const mozilla::dom::AddEventListenerOptionsOrBoolean& aOptions,
|
|
const mozilla::dom::Nullable<bool>& aWantsUntrusted,
|
|
mozilla::ErrorResult& aRv) override;
|
|
using nsIDOMEventTarget::AddSystemEventListener;
|
|
|
|
virtual bool IsApzAware() const override;
|
|
|
|
virtual nsPIDOMWindowOuter* GetOwnerGlobalForBindings() override;
|
|
virtual nsIGlobalObject* GetOwnerGlobal() const override;
|
|
|
|
/**
|
|
* Returns true if this is a node belonging to a document that uses the Servo
|
|
* style system.
|
|
*/
|
|
#ifdef MOZ_STYLO
|
|
bool IsStyledByServo() const;
|
|
#else
|
|
bool IsStyledByServo() const { return false; }
|
|
#endif
|
|
|
|
inline void UnsetRestyleFlagsIfGecko();
|
|
|
|
/**
|
|
* Adds a mutation observer to be notified when this node, or any of its
|
|
* descendants, are modified. The node will hold a weak reference to the
|
|
* observer, which means that it is the responsibility of the observer to
|
|
* remove itself in case it dies before the node. If an observer is added
|
|
* while observers are being notified, it may also be notified. In general,
|
|
* adding observers while inside a notification is not a good idea. An
|
|
* observer that is already observing the node must not be added without
|
|
* being removed first.
|
|
*
|
|
* For mutation observers that implement nsIAnimationObserver, use
|
|
* AddAnimationObserver instead.
|
|
*/
|
|
void AddMutationObserver(nsIMutationObserver* aMutationObserver)
|
|
{
|
|
nsSlots* s = Slots();
|
|
NS_ASSERTION(s->mMutationObservers.IndexOf(aMutationObserver) ==
|
|
nsTArray<int>::NoIndex,
|
|
"Observer already in the list");
|
|
s->mMutationObservers.AppendElement(aMutationObserver);
|
|
}
|
|
|
|
/**
|
|
* Same as above, but only adds the observer if its not observing
|
|
* the node already.
|
|
*
|
|
* For mutation observers that implement nsIAnimationObserver, use
|
|
* AddAnimationObserverUnlessExists instead.
|
|
*/
|
|
void AddMutationObserverUnlessExists(nsIMutationObserver* aMutationObserver)
|
|
{
|
|
nsSlots* s = Slots();
|
|
s->mMutationObservers.AppendElementUnlessExists(aMutationObserver);
|
|
}
|
|
|
|
/**
|
|
* Same as AddMutationObserver, but for nsIAnimationObservers. This
|
|
* additionally records on the document that animation observers have
|
|
* been registered, which is used to determine whether notifications
|
|
* must be fired when animations are added, removed or changed.
|
|
*/
|
|
void AddAnimationObserver(nsIAnimationObserver* aAnimationObserver);
|
|
|
|
/**
|
|
* Same as above, but only adds the observer if its not observing
|
|
* the node already.
|
|
*/
|
|
void AddAnimationObserverUnlessExists(nsIAnimationObserver* aAnimationObserver);
|
|
|
|
/**
|
|
* Removes a mutation observer.
|
|
*/
|
|
void RemoveMutationObserver(nsIMutationObserver* aMutationObserver)
|
|
{
|
|
nsSlots* s = GetExistingSlots();
|
|
if (s) {
|
|
s->mMutationObservers.RemoveElement(aMutationObserver);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clones this node. This needs to be overriden by all node classes. aNodeInfo
|
|
* should be identical to this node's nodeInfo, except for the document which
|
|
* may be different. When cloning an element, all attributes of the element
|
|
* will be cloned. The children of the node will not be cloned.
|
|
*
|
|
* @param aNodeInfo the nodeinfo to use for the clone
|
|
* @param aResult the clone
|
|
* @param aPreallocateChildren If true, the array of children will be
|
|
* preallocated in preparation for a deep copy.
|
|
*/
|
|
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
|
|
bool aPreallocateChildren) const = 0;
|
|
|
|
// This class can be extended by subclasses that wish to store more
|
|
// information in the slots.
|
|
class nsSlots
|
|
{
|
|
public:
|
|
nsSlots();
|
|
|
|
// If needed we could remove the vtable pointer this dtor causes by
|
|
// putting a DestroySlots function on nsINode
|
|
virtual ~nsSlots();
|
|
|
|
void Traverse(nsCycleCollectionTraversalCallback &cb);
|
|
void Unlink();
|
|
|
|
/**
|
|
* A list of mutation observers
|
|
*/
|
|
nsAutoTObserverArray<nsIMutationObserver*, 1> mMutationObservers;
|
|
|
|
/**
|
|
* An object implementing nsIDOMNodeList for this content (childNodes)
|
|
* @see nsIDOMNodeList
|
|
* @see nsGenericHTMLElement::GetChildNodes
|
|
*/
|
|
RefPtr<nsAttrChildContentList> mChildNodes;
|
|
|
|
/**
|
|
* Weak reference to this node. This is cleared by the destructor of
|
|
* nsNodeWeakReference.
|
|
*/
|
|
nsNodeWeakReference* MOZ_NON_OWNING_REF mWeakReference;
|
|
|
|
/**
|
|
* A set of ranges which are in the selection and which have this node as
|
|
* their endpoints' common ancestor. This is a UniquePtr instead of just a
|
|
* LinkedList, because that prevents us from pushing DOMSlots up to the next
|
|
* allocation bucket size, at the cost of some complexity.
|
|
*/
|
|
mozilla::UniquePtr<mozilla::LinkedList<nsRange>> mCommonAncestorRanges;
|
|
|
|
/**
|
|
* Number of descendant nodes in the uncomposed document that have been
|
|
* explicitly set as editable.
|
|
*/
|
|
uint32_t mEditableDescendantCount;
|
|
};
|
|
|
|
/**
|
|
* Functions for managing flags and slots
|
|
*/
|
|
#ifdef DEBUG
|
|
nsSlots* DebugGetSlots()
|
|
{
|
|
return Slots();
|
|
}
|
|
#endif
|
|
|
|
void SetFlags(FlagsType aFlagsToSet)
|
|
{
|
|
NS_ASSERTION(!(aFlagsToSet & (NODE_IS_ANONYMOUS_ROOT |
|
|
NODE_IS_NATIVE_ANONYMOUS_ROOT |
|
|
NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE |
|
|
NODE_DESCENDANTS_NEED_FRAMES |
|
|
NODE_NEEDS_FRAME |
|
|
NODE_CHROME_ONLY_ACCESS)) ||
|
|
IsNodeOfType(eCONTENT),
|
|
"Flag only permitted on nsIContent nodes");
|
|
nsWrapperCache::SetFlags(aFlagsToSet);
|
|
}
|
|
|
|
void UnsetFlags(FlagsType aFlagsToUnset)
|
|
{
|
|
NS_ASSERTION(!(aFlagsToUnset &
|
|
(NODE_IS_ANONYMOUS_ROOT |
|
|
NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE |
|
|
NODE_IS_NATIVE_ANONYMOUS_ROOT)),
|
|
"Trying to unset write-only flags");
|
|
nsWrapperCache::UnsetFlags(aFlagsToUnset);
|
|
}
|
|
|
|
void ChangeEditableDescendantCount(int32_t aDelta);
|
|
|
|
/**
|
|
* Returns the count of descendant nodes in the uncomposed
|
|
* document that are explicitly set as editable.
|
|
*/
|
|
uint32_t EditableDescendantCount();
|
|
|
|
/**
|
|
* Sets the editable descendant count to 0. The editable
|
|
* descendant count only counts explicitly editable nodes
|
|
* that are in the uncomposed document so this method
|
|
* should be called when nodes are are removed from it.
|
|
*/
|
|
void ResetEditableDescendantCount();
|
|
|
|
void SetEditableFlag(bool aEditable)
|
|
{
|
|
if (aEditable) {
|
|
SetFlags(NODE_IS_EDITABLE);
|
|
}
|
|
else {
|
|
UnsetFlags(NODE_IS_EDITABLE);
|
|
}
|
|
}
|
|
|
|
bool IsEditable() const
|
|
{
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
return IsEditableInternal();
|
|
#else
|
|
return IsEditableExternal();
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Returns true if |this| is native anonymous (i.e. created by
|
|
* nsIAnonymousContentCreator);
|
|
*/
|
|
bool IsNativeAnonymous() const
|
|
{
|
|
return HasFlag(NODE_IS_NATIVE_ANONYMOUS);
|
|
}
|
|
|
|
/**
|
|
* Returns true if |this| or any of its ancestors is native anonymous.
|
|
*/
|
|
bool IsInNativeAnonymousSubtree() const
|
|
{
|
|
#ifdef DEBUG
|
|
if (HasFlag(NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE)) {
|
|
return true;
|
|
}
|
|
CheckNotNativeAnonymous();
|
|
return false;
|
|
#else
|
|
return HasFlag(NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE);
|
|
#endif
|
|
}
|
|
|
|
bool IsInAnonymousSubtree() const;
|
|
|
|
// Note: This asserts |IsInAnonymousSubtree()|.
|
|
bool IsAnonymousContentInSVGUseSubtree() const;
|
|
|
|
// True for native anonymous content and for XBL content if the binding
|
|
// has chromeOnlyContent="true".
|
|
bool ChromeOnlyAccess() const
|
|
{
|
|
return HasFlag(NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE | NODE_CHROME_ONLY_ACCESS);
|
|
}
|
|
|
|
bool IsInShadowTree() const
|
|
{
|
|
return HasFlag(NODE_IS_IN_SHADOW_TREE);
|
|
}
|
|
|
|
/**
|
|
* Returns true if |this| node is the common ancestor of the start/end
|
|
* nodes of a Range in a Selection or a descendant of such a common ancestor.
|
|
* This node is definitely not selected when |false| is returned, but it may
|
|
* or may not be selected when |true| is returned.
|
|
*/
|
|
bool IsSelectionDescendant() const
|
|
{
|
|
return IsDescendantOfCommonAncestorForRangeInSelection() ||
|
|
IsCommonAncestorForRangeInSelection();
|
|
}
|
|
|
|
/**
|
|
* Get the root content of an editor. So, this node must be a descendant of
|
|
* an editor. Note that this should be only used for getting input or textarea
|
|
* editor's root content. This method doesn't support HTML editors.
|
|
*/
|
|
nsIContent* GetTextEditorRootContent(
|
|
mozilla::TextEditor** aTextEditor = nullptr);
|
|
|
|
/**
|
|
* Get the nearest selection root, ie. the node that will be selected if the
|
|
* user does "Select All" while the focus is in this node. Note that if this
|
|
* node is not in an editor, the result comes from the nsFrameSelection that
|
|
* is related to aPresShell, so the result might not be the ancestor of this
|
|
* node. Be aware that if this node and the computed selection limiter are
|
|
* not in same subtree, this returns the root content of the closeset subtree.
|
|
*/
|
|
nsIContent* GetSelectionRootContent(nsIPresShell* aPresShell);
|
|
|
|
virtual nsINodeList* ChildNodes();
|
|
nsIContent* GetFirstChild() const { return mFirstChild; }
|
|
nsIContent* GetLastChild() const
|
|
{
|
|
uint32_t count = GetChildCount();
|
|
|
|
return count > 0 ? GetChildAt(count - 1) : nullptr;
|
|
}
|
|
|
|
/**
|
|
* Implementation is in nsIDocument.h, because it needs to cast from
|
|
* nsIDocument* to nsINode*.
|
|
*/
|
|
nsIDocument* GetOwnerDocument() const;
|
|
|
|
void Normalize();
|
|
|
|
/**
|
|
* Get the base URI for any relative URIs within this piece of
|
|
* content. Generally, this is the document's base URI, but certain
|
|
* content carries a local base for backward compatibility, and XML
|
|
* supports setting a per-node base URI.
|
|
*
|
|
* @return the base URI
|
|
*/
|
|
virtual already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const = 0;
|
|
already_AddRefed<nsIURI> GetBaseURIObject() const;
|
|
|
|
/**
|
|
* Return true if the node may be apz aware. There are two cases. One is that
|
|
* the node is apz aware (such as HTMLInputElement with number type). The
|
|
* other is that the node has apz aware listeners. This is a non-virtual
|
|
* function which calls IsNodeApzAwareInternal only when the MayBeApzAware is
|
|
* set. We check the details in IsNodeApzAwareInternal which may be overriden
|
|
* by child classes
|
|
*/
|
|
bool IsNodeApzAware() const
|
|
{
|
|
return NodeMayBeApzAware() ? IsNodeApzAwareInternal() : false;
|
|
}
|
|
|
|
/**
|
|
* Override this function and set the flag MayBeApzAware in case the node has
|
|
* to let APZC be aware of it. It's used when the node may handle the apz
|
|
* aware events and may do preventDefault to stop APZC to do default actions.
|
|
*
|
|
* For example, instead of scrolling page by APZ, we handle mouse wheel event
|
|
* in HTMLInputElement with number type as increasing / decreasing its value.
|
|
*/
|
|
virtual bool IsNodeApzAwareInternal() const;
|
|
|
|
// HTML elements named <shadow> may or may not be HTMLShadowElement. This is
|
|
// a way to ask an element whether it's an HTMLShadowElement.
|
|
virtual bool IsHTMLShadowElement() const { return false; }
|
|
|
|
// Elements named <content> may or may not be HTMLContentElement. This is a
|
|
// way to ask an element whether it's an HTMLContentElement.
|
|
virtual bool IsHTMLContentElement() const { return false; }
|
|
|
|
void GetTextContent(nsAString& aTextContent,
|
|
mozilla::OOMReporter& aError)
|
|
{
|
|
GetTextContentInternal(aTextContent, aError);
|
|
}
|
|
void SetTextContent(const nsAString& aTextContent,
|
|
mozilla::ErrorResult& aError)
|
|
{
|
|
SetTextContentInternal(aTextContent, aError);
|
|
}
|
|
|
|
mozilla::dom::Element* QuerySelector(const nsAString& aSelector,
|
|
mozilla::ErrorResult& aResult);
|
|
already_AddRefed<nsINodeList> QuerySelectorAll(const nsAString& aSelector,
|
|
mozilla::ErrorResult& aResult);
|
|
|
|
protected:
|
|
// nsIDocument overrides this with its own (faster) version. This
|
|
// should really only be called for elements and document fragments.
|
|
mozilla::dom::Element* GetElementById(const nsAString& aId);
|
|
|
|
/**
|
|
* Associate an object aData to aKey on this node. If aData is null any
|
|
* previously registered object associated to aKey on this node will
|
|
* be removed.
|
|
* Should only be used to implement the DOM Level 3 UserData API.
|
|
*
|
|
* @param aKey the key to associate the object to
|
|
* @param aData the object to associate to aKey on this node (may be null)
|
|
* @param aResult [out] the previously registered object for aKey on this
|
|
* node, if any
|
|
* @return whether adding the object succeeded
|
|
*/
|
|
nsresult SetUserData(const nsAString& aKey, nsIVariant* aData,
|
|
nsIVariant** aResult);
|
|
|
|
/**
|
|
* Get the UserData object registered for a Key on this node, if any.
|
|
* Should only be used to implement the DOM Level 3 UserData API.
|
|
*
|
|
* @param aKey the key to get UserData for
|
|
* @return aResult the previously registered object for aKey on this node, if
|
|
* any
|
|
*/
|
|
nsIVariant* GetUserData(const nsAString& aKey);
|
|
|
|
public:
|
|
void LookupPrefix(const nsAString& aNamespace, nsAString& aResult);
|
|
bool IsDefaultNamespace(const nsAString& aNamespaceURI)
|
|
{
|
|
nsAutoString defaultNamespace;
|
|
LookupNamespaceURI(EmptyString(), defaultNamespace);
|
|
return aNamespaceURI.Equals(defaultNamespace);
|
|
}
|
|
void LookupNamespaceURI(const nsAString& aNamespacePrefix,
|
|
nsAString& aNamespaceURI);
|
|
|
|
nsIContent* GetNextSibling() const { return mNextSibling; }
|
|
nsIContent* GetPreviousSibling() const { return mPreviousSibling; }
|
|
|
|
/**
|
|
* Get the next node in the pre-order tree traversal of the DOM. If
|
|
* aRoot is non-null, then it must be an ancestor of |this|
|
|
* (possibly equal to |this|) and only nodes that are descendants of
|
|
* aRoot, not including aRoot itself, will be returned. Returns
|
|
* null if there are no more nodes to traverse.
|
|
*/
|
|
nsIContent* GetNextNode(const nsINode* aRoot = nullptr) const
|
|
{
|
|
return GetNextNodeImpl(aRoot, false);
|
|
}
|
|
|
|
/**
|
|
* Get the next node in the pre-order tree traversal of the DOM but ignoring
|
|
* the children of this node. If aRoot is non-null, then it must be an
|
|
* ancestor of |this| (possibly equal to |this|) and only nodes that are
|
|
* descendants of aRoot, not including aRoot itself, will be returned.
|
|
* Returns null if there are no more nodes to traverse.
|
|
*/
|
|
nsIContent* GetNextNonChildNode(const nsINode* aRoot = nullptr) const
|
|
{
|
|
return GetNextNodeImpl(aRoot, true);
|
|
}
|
|
|
|
/**
|
|
* Returns true if 'this' is either document or element or
|
|
* document fragment and aOther is a descendant in the same
|
|
* anonymous tree.
|
|
*/
|
|
bool Contains(const nsINode* aOther) const;
|
|
|
|
bool UnoptimizableCCNode() const;
|
|
|
|
private:
|
|
|
|
nsIDocument* GetComposedDocInternal() const;
|
|
|
|
nsIContent* GetNextNodeImpl(const nsINode* aRoot,
|
|
const bool aSkipChildren) const
|
|
{
|
|
// Can't use nsContentUtils::ContentIsDescendantOf here, since we
|
|
// can't include it here.
|
|
#ifdef DEBUG
|
|
if (aRoot) {
|
|
const nsINode* cur = this;
|
|
for (; cur; cur = cur->GetParentNode())
|
|
if (cur == aRoot) break;
|
|
NS_ASSERTION(cur, "aRoot not an ancestor of |this|?");
|
|
}
|
|
#endif
|
|
if (!aSkipChildren) {
|
|
nsIContent* kid = GetFirstChild();
|
|
if (kid) {
|
|
return kid;
|
|
}
|
|
}
|
|
if (this == aRoot) {
|
|
return nullptr;
|
|
}
|
|
const nsINode* cur = this;
|
|
while (1) {
|
|
nsIContent* next = cur->GetNextSibling();
|
|
if (next) {
|
|
return next;
|
|
}
|
|
nsINode* parent = cur->GetParentNode();
|
|
if (parent == aRoot) {
|
|
return nullptr;
|
|
}
|
|
cur = parent;
|
|
}
|
|
NS_NOTREACHED("How did we get here?");
|
|
}
|
|
|
|
public:
|
|
|
|
/**
|
|
* Get the previous nsIContent in the pre-order tree traversal of the DOM. If
|
|
* aRoot is non-null, then it must be an ancestor of |this|
|
|
* (possibly equal to |this|) and only nsIContents that are descendants of
|
|
* aRoot, including aRoot itself, will be returned. Returns
|
|
* null if there are no more nsIContents to traverse.
|
|
*/
|
|
nsIContent* GetPreviousContent(const nsINode* aRoot = nullptr) const
|
|
{
|
|
// Can't use nsContentUtils::ContentIsDescendantOf here, since we
|
|
// can't include it here.
|
|
#ifdef DEBUG
|
|
if (aRoot) {
|
|
const nsINode* cur = this;
|
|
for (; cur; cur = cur->GetParentNode())
|
|
if (cur == aRoot) break;
|
|
NS_ASSERTION(cur, "aRoot not an ancestor of |this|?");
|
|
}
|
|
#endif
|
|
|
|
if (this == aRoot) {
|
|
return nullptr;
|
|
}
|
|
nsIContent* cur = this->GetParent();
|
|
nsIContent* iter = this->GetPreviousSibling();
|
|
while (iter) {
|
|
cur = iter;
|
|
iter = reinterpret_cast<nsINode*>(iter)->GetLastChild();
|
|
}
|
|
return cur;
|
|
}
|
|
|
|
/**
|
|
* Boolean flags
|
|
*/
|
|
private:
|
|
enum BooleanFlag {
|
|
// Set if we're being used from -moz-element
|
|
NodeHasRenderingObservers,
|
|
// Set if our parent chain (including this node itself) terminates
|
|
// in a document
|
|
IsInDocument,
|
|
// Set if mParent is an nsIContent
|
|
ParentIsContent,
|
|
// Set if this node is an Element
|
|
NodeIsElement,
|
|
// Set if the element has a non-empty id attribute. This can in rare
|
|
// cases lie for nsXMLElement, such as when the node has been moved between
|
|
// documents with different id mappings.
|
|
ElementHasID,
|
|
// Set if the element might have a class.
|
|
ElementMayHaveClass,
|
|
// Set if the element might have inline style.
|
|
ElementMayHaveStyle,
|
|
// Set if the element has a name attribute set.
|
|
ElementHasName,
|
|
// Set if the element might have a contenteditable attribute set.
|
|
ElementMayHaveContentEditableAttr,
|
|
// Set if the node is the common ancestor of the start/end nodes of a Range
|
|
// that is in a Selection.
|
|
NodeIsCommonAncestorForRangeInSelection,
|
|
// Set if the node is a descendant of a node with the above bit set.
|
|
NodeIsDescendantOfCommonAncestorForRangeInSelection,
|
|
// Set if CanSkipInCC check has been done for this subtree root.
|
|
NodeIsCCMarkedRoot,
|
|
// Maybe set if this node is in black subtree.
|
|
NodeIsCCBlackTree,
|
|
// Maybe set if the node is a root of a subtree
|
|
// which needs to be kept in the purple buffer.
|
|
NodeIsPurpleRoot,
|
|
// Set if the element has some style states locked
|
|
ElementHasLockedStyleStates,
|
|
// Set if element has pointer locked
|
|
ElementHasPointerLock,
|
|
// Set if the node may have DOMMutationObserver attached to it.
|
|
NodeMayHaveDOMMutationObserver,
|
|
// Set if node is Content
|
|
NodeIsContent,
|
|
// Set if the node has animations or transitions
|
|
ElementHasAnimations,
|
|
// Set if node has a dir attribute with a valid value (ltr, rtl, or auto).
|
|
// Note that we cannot compute this from the dir attribute event state
|
|
// flags, because we can't use those to distinguish
|
|
// <bdi dir="some-invalid-value"> and <bdi dir="auto">.
|
|
NodeHasValidDirAttribute,
|
|
// Set if the node has dir=auto and has a property pointing to the text
|
|
// node that determines its direction
|
|
NodeHasDirAutoSet,
|
|
// Set if the node is a text node descendant of a node with dir=auto
|
|
// and has a TextNodeDirectionalityMap property listing the elements whose
|
|
// direction it determines.
|
|
NodeHasTextNodeDirectionalityMap,
|
|
// Set if a node in the node's parent chain has dir=auto.
|
|
NodeAncestorHasDirAuto,
|
|
// Set if the element is in the scope of a scoped style sheet; this flag is
|
|
// only accurate for elements bound to a document
|
|
ElementIsInStyleScope,
|
|
// Set if the element is a scoped style sheet root
|
|
ElementIsScopedStyleRoot,
|
|
// Set if the node is handling a click.
|
|
NodeHandlingClick,
|
|
// Set if the node has had :hover selectors matched against it
|
|
NodeHasRelevantHoverRules,
|
|
// Set if the element has a parser insertion mode other than "in body",
|
|
// per the HTML5 "Parse state" section.
|
|
ElementHasWeirdParserInsertionMode,
|
|
// Parser sets this flag if it has notified about the node.
|
|
ParserHasNotified,
|
|
// Sets if the node is apz aware or we have apz aware listeners.
|
|
MayBeApzAware,
|
|
// Set if the element might have any kind of anonymous content children,
|
|
// which would not be found through the element's children list.
|
|
ElementMayHaveAnonymousChildren,
|
|
// Set if this node has at some point (and may still have)
|
|
// display:none or display:contents children.
|
|
NodeMayHaveChildrenWithLayoutBoxesDisabled,
|
|
// Guard value
|
|
BooleanFlagCount
|
|
};
|
|
|
|
void SetBoolFlag(BooleanFlag name, bool value) {
|
|
static_assert(BooleanFlagCount <= 8*sizeof(mBoolFlags),
|
|
"Too many boolean flags");
|
|
mBoolFlags = (mBoolFlags & ~(1 << name)) | (value << name);
|
|
}
|
|
|
|
void SetBoolFlag(BooleanFlag name) {
|
|
static_assert(BooleanFlagCount <= 8*sizeof(mBoolFlags),
|
|
"Too many boolean flags");
|
|
mBoolFlags |= (1 << name);
|
|
}
|
|
|
|
void ClearBoolFlag(BooleanFlag name) {
|
|
static_assert(BooleanFlagCount <= 8*sizeof(mBoolFlags),
|
|
"Too many boolean flags");
|
|
mBoolFlags &= ~(1 << name);
|
|
}
|
|
|
|
bool GetBoolFlag(BooleanFlag name) const {
|
|
static_assert(BooleanFlagCount <= 8*sizeof(mBoolFlags),
|
|
"Too many boolean flags");
|
|
return mBoolFlags & (1 << name);
|
|
}
|
|
|
|
public:
|
|
bool HasRenderingObservers() const
|
|
{ return GetBoolFlag(NodeHasRenderingObservers); }
|
|
void SetHasRenderingObservers(bool aValue)
|
|
{ SetBoolFlag(NodeHasRenderingObservers, aValue); }
|
|
bool IsContent() const { return GetBoolFlag(NodeIsContent); }
|
|
bool HasID() const { return GetBoolFlag(ElementHasID); }
|
|
bool MayHaveClass() const { return GetBoolFlag(ElementMayHaveClass); }
|
|
void SetMayHaveClass() { SetBoolFlag(ElementMayHaveClass); }
|
|
bool MayHaveStyle() const { return GetBoolFlag(ElementMayHaveStyle); }
|
|
bool HasName() const { return GetBoolFlag(ElementHasName); }
|
|
bool MayHaveContentEditableAttr() const
|
|
{ return GetBoolFlag(ElementMayHaveContentEditableAttr); }
|
|
bool IsCommonAncestorForRangeInSelection() const
|
|
{ return GetBoolFlag(NodeIsCommonAncestorForRangeInSelection); }
|
|
void SetCommonAncestorForRangeInSelection()
|
|
{ SetBoolFlag(NodeIsCommonAncestorForRangeInSelection); }
|
|
void ClearCommonAncestorForRangeInSelection()
|
|
{ ClearBoolFlag(NodeIsCommonAncestorForRangeInSelection); }
|
|
bool IsDescendantOfCommonAncestorForRangeInSelection() const
|
|
{ return GetBoolFlag(NodeIsDescendantOfCommonAncestorForRangeInSelection); }
|
|
void SetDescendantOfCommonAncestorForRangeInSelection()
|
|
{ SetBoolFlag(NodeIsDescendantOfCommonAncestorForRangeInSelection); }
|
|
void ClearDescendantOfCommonAncestorForRangeInSelection()
|
|
{ ClearBoolFlag(NodeIsDescendantOfCommonAncestorForRangeInSelection); }
|
|
|
|
void SetCCMarkedRoot(bool aValue)
|
|
{ SetBoolFlag(NodeIsCCMarkedRoot, aValue); }
|
|
bool CCMarkedRoot() const { return GetBoolFlag(NodeIsCCMarkedRoot); }
|
|
void SetInCCBlackTree(bool aValue)
|
|
{ SetBoolFlag(NodeIsCCBlackTree, aValue); }
|
|
bool InCCBlackTree() const { return GetBoolFlag(NodeIsCCBlackTree); }
|
|
void SetIsPurpleRoot(bool aValue)
|
|
{ SetBoolFlag(NodeIsPurpleRoot, aValue); }
|
|
bool IsPurpleRoot() const { return GetBoolFlag(NodeIsPurpleRoot); }
|
|
bool MayHaveDOMMutationObserver()
|
|
{ return GetBoolFlag(NodeMayHaveDOMMutationObserver); }
|
|
void SetMayHaveDOMMutationObserver()
|
|
{ SetBoolFlag(NodeMayHaveDOMMutationObserver, true); }
|
|
bool HasListenerManager() { return HasFlag(NODE_HAS_LISTENERMANAGER); }
|
|
bool HasPointerLock() const { return GetBoolFlag(ElementHasPointerLock); }
|
|
void SetPointerLock() { SetBoolFlag(ElementHasPointerLock); }
|
|
void ClearPointerLock() { ClearBoolFlag(ElementHasPointerLock); }
|
|
bool MayHaveAnimations() const { return GetBoolFlag(ElementHasAnimations); }
|
|
void SetMayHaveAnimations() { SetBoolFlag(ElementHasAnimations); }
|
|
void SetHasValidDir() { SetBoolFlag(NodeHasValidDirAttribute); }
|
|
void ClearHasValidDir() { ClearBoolFlag(NodeHasValidDirAttribute); }
|
|
bool HasValidDir() const { return GetBoolFlag(NodeHasValidDirAttribute); }
|
|
void SetHasDirAutoSet() {
|
|
MOZ_ASSERT(NodeType() != nsIDOMNode::TEXT_NODE,
|
|
"SetHasDirAutoSet on text node");
|
|
SetBoolFlag(NodeHasDirAutoSet);
|
|
}
|
|
void ClearHasDirAutoSet() {
|
|
MOZ_ASSERT(NodeType() != nsIDOMNode::TEXT_NODE,
|
|
"ClearHasDirAutoSet on text node");
|
|
ClearBoolFlag(NodeHasDirAutoSet);
|
|
}
|
|
bool HasDirAutoSet() const
|
|
{ return GetBoolFlag(NodeHasDirAutoSet); }
|
|
void SetHasTextNodeDirectionalityMap() {
|
|
MOZ_ASSERT(NodeType() == nsIDOMNode::TEXT_NODE,
|
|
"SetHasTextNodeDirectionalityMap on non-text node");
|
|
SetBoolFlag(NodeHasTextNodeDirectionalityMap);
|
|
}
|
|
void ClearHasTextNodeDirectionalityMap() {
|
|
MOZ_ASSERT(NodeType() == nsIDOMNode::TEXT_NODE,
|
|
"ClearHasTextNodeDirectionalityMap on non-text node");
|
|
ClearBoolFlag(NodeHasTextNodeDirectionalityMap);
|
|
}
|
|
bool HasTextNodeDirectionalityMap() const {
|
|
MOZ_ASSERT(NodeType() == nsIDOMNode::TEXT_NODE,
|
|
"HasTextNodeDirectionalityMap on non-text node");
|
|
return GetBoolFlag(NodeHasTextNodeDirectionalityMap);
|
|
}
|
|
|
|
void SetAncestorHasDirAuto() { SetBoolFlag(NodeAncestorHasDirAuto); }
|
|
void ClearAncestorHasDirAuto() { ClearBoolFlag(NodeAncestorHasDirAuto); }
|
|
bool AncestorHasDirAuto() const { return GetBoolFlag(NodeAncestorHasDirAuto); }
|
|
|
|
// Implemented in nsIContentInlines.h.
|
|
inline bool NodeOrAncestorHasDirAuto() const;
|
|
|
|
void SetIsElementInStyleScope(bool aValue) {
|
|
MOZ_ASSERT(IsElement(), "SetIsInStyleScope on a non-Element node");
|
|
SetBoolFlag(ElementIsInStyleScope, aValue);
|
|
}
|
|
void SetIsElementInStyleScope() {
|
|
MOZ_ASSERT(IsElement(), "SetIsInStyleScope on a non-Element node");
|
|
SetBoolFlag(ElementIsInStyleScope);
|
|
}
|
|
void ClearIsElementInStyleScope() {
|
|
MOZ_ASSERT(IsElement(), "ClearIsInStyleScope on a non-Element node");
|
|
ClearBoolFlag(ElementIsInStyleScope);
|
|
}
|
|
bool IsElementInStyleScope() const { return GetBoolFlag(ElementIsInStyleScope); }
|
|
|
|
void SetIsScopedStyleRoot() { SetBoolFlag(ElementIsScopedStyleRoot); }
|
|
void ClearIsScopedStyleRoot() { ClearBoolFlag(ElementIsScopedStyleRoot); }
|
|
bool IsScopedStyleRoot() { return GetBoolFlag(ElementIsScopedStyleRoot); }
|
|
bool HasRelevantHoverRules() const { return GetBoolFlag(NodeHasRelevantHoverRules); }
|
|
void SetHasRelevantHoverRules() { SetBoolFlag(NodeHasRelevantHoverRules); }
|
|
void SetParserHasNotified() { SetBoolFlag(ParserHasNotified); };
|
|
bool HasParserNotified() { return GetBoolFlag(ParserHasNotified); }
|
|
|
|
void SetMayBeApzAware() { SetBoolFlag(MayBeApzAware); }
|
|
bool NodeMayBeApzAware() const
|
|
{
|
|
return GetBoolFlag(MayBeApzAware);
|
|
}
|
|
|
|
void SetMayHaveAnonymousChildren() { SetBoolFlag(ElementMayHaveAnonymousChildren); }
|
|
bool MayHaveAnonymousChildren() const { return GetBoolFlag(ElementMayHaveAnonymousChildren); }
|
|
|
|
void SetMayHaveChildrenWithLayoutBoxesDisabled()
|
|
{
|
|
SetBoolFlag(NodeMayHaveChildrenWithLayoutBoxesDisabled);
|
|
}
|
|
void UnsetMayHaveChildrenWithLayoutBoxesDisabled()
|
|
{
|
|
ClearBoolFlag(NodeMayHaveChildrenWithLayoutBoxesDisabled);
|
|
}
|
|
bool MayHaveChildrenWithLayoutBoxesDisabled() const
|
|
{
|
|
return GetBoolFlag(NodeMayHaveChildrenWithLayoutBoxesDisabled);
|
|
}
|
|
|
|
protected:
|
|
void SetParentIsContent(bool aValue) { SetBoolFlag(ParentIsContent, aValue); }
|
|
void SetIsInDocument() { SetBoolFlag(IsInDocument); }
|
|
void SetNodeIsContent() { SetBoolFlag(NodeIsContent); }
|
|
void ClearInDocument() { ClearBoolFlag(IsInDocument); }
|
|
void SetIsElement() { SetBoolFlag(NodeIsElement); }
|
|
void SetHasID() { SetBoolFlag(ElementHasID); }
|
|
void ClearHasID() { ClearBoolFlag(ElementHasID); }
|
|
void SetMayHaveStyle() { SetBoolFlag(ElementMayHaveStyle); }
|
|
void SetHasName() { SetBoolFlag(ElementHasName); }
|
|
void ClearHasName() { ClearBoolFlag(ElementHasName); }
|
|
void SetMayHaveContentEditableAttr()
|
|
{ SetBoolFlag(ElementMayHaveContentEditableAttr); }
|
|
void SetHasLockedStyleStates() { SetBoolFlag(ElementHasLockedStyleStates); }
|
|
void ClearHasLockedStyleStates() { ClearBoolFlag(ElementHasLockedStyleStates); }
|
|
bool HasLockedStyleStates() const
|
|
{ return GetBoolFlag(ElementHasLockedStyleStates); }
|
|
void SetHasWeirdParserInsertionMode() { SetBoolFlag(ElementHasWeirdParserInsertionMode); }
|
|
bool HasWeirdParserInsertionMode() const
|
|
{ return GetBoolFlag(ElementHasWeirdParserInsertionMode); }
|
|
bool HandlingClick() const { return GetBoolFlag(NodeHandlingClick); }
|
|
void SetHandlingClick() { SetBoolFlag(NodeHandlingClick); }
|
|
void ClearHandlingClick() { ClearBoolFlag(NodeHandlingClick); }
|
|
|
|
void SetSubtreeRootPointer(nsINode* aSubtreeRoot)
|
|
{
|
|
NS_ASSERTION(aSubtreeRoot, "aSubtreeRoot can never be null!");
|
|
NS_ASSERTION(!(IsNodeOfType(eCONTENT) && IsInUncomposedDoc()) &&
|
|
!IsInShadowTree(), "Shouldn't be here!");
|
|
mSubtreeRoot = aSubtreeRoot;
|
|
}
|
|
|
|
void ClearSubtreeRootPointer()
|
|
{
|
|
mSubtreeRoot = nullptr;
|
|
}
|
|
|
|
public:
|
|
// Makes nsINode object to keep aObject alive.
|
|
void BindObject(nsISupports* aObject);
|
|
// After calling UnbindObject nsINode object doesn't keep
|
|
// aObject alive anymore.
|
|
void UnbindObject(nsISupports* aObject);
|
|
|
|
void GetBoundMutationObservers(nsTArray<RefPtr<nsDOMMutationObserver> >& aResult);
|
|
void GenerateXPath(nsAString& aResult);
|
|
|
|
already_AddRefed<mozilla::dom::AccessibleNode> GetAccessibleNode();
|
|
|
|
/**
|
|
* Returns the length of this node, as specified at
|
|
* <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-node-length>
|
|
*/
|
|
uint32_t Length() const;
|
|
|
|
void GetNodeName(mozilla::dom::DOMString& aNodeName)
|
|
{
|
|
const nsString& nodeName = NodeName();
|
|
aNodeName.SetOwnedString(nodeName);
|
|
}
|
|
MOZ_MUST_USE nsresult GetBaseURI(nsAString& aBaseURI) const;
|
|
// Return the base 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 GetBaseURIFromJS(nsAString& aBaseURI,
|
|
CallerType aCallerType,
|
|
ErrorResult& aRv) const;
|
|
bool HasChildNodes() const
|
|
{
|
|
return HasChildren();
|
|
}
|
|
uint16_t CompareDocumentPosition(nsINode& aOther) const;
|
|
void GetNodeValue(nsAString& aNodeValue)
|
|
{
|
|
GetNodeValueInternal(aNodeValue);
|
|
}
|
|
void SetNodeValue(const nsAString& aNodeValue,
|
|
mozilla::ErrorResult& aError)
|
|
{
|
|
SetNodeValueInternal(aNodeValue, aError);
|
|
}
|
|
virtual void GetNodeValueInternal(nsAString& aNodeValue);
|
|
virtual void SetNodeValueInternal(const nsAString& aNodeValue,
|
|
mozilla::ErrorResult& aError)
|
|
{
|
|
// The DOM spec says that when nodeValue is defined to be null "setting it
|
|
// has no effect", so we don't throw an exception.
|
|
}
|
|
void EnsurePreInsertionValidity(nsINode& aNewChild, nsINode* aRefChild,
|
|
mozilla::ErrorResult& aError);
|
|
nsINode* InsertBefore(nsINode& aNode, nsINode* aChild,
|
|
mozilla::ErrorResult& aError)
|
|
{
|
|
return ReplaceOrInsertBefore(false, &aNode, aChild, aError);
|
|
}
|
|
nsINode* AppendChild(nsINode& aNode, mozilla::ErrorResult& aError)
|
|
{
|
|
return InsertBefore(aNode, nullptr, aError);
|
|
}
|
|
nsINode* ReplaceChild(nsINode& aNode, nsINode& aChild,
|
|
mozilla::ErrorResult& aError)
|
|
{
|
|
return ReplaceOrInsertBefore(true, &aNode, &aChild, aError);
|
|
}
|
|
nsINode* RemoveChild(nsINode& aChild, mozilla::ErrorResult& aError);
|
|
already_AddRefed<nsINode> CloneNode(bool aDeep, mozilla::ErrorResult& aError);
|
|
bool IsSameNode(nsINode* aNode);
|
|
bool IsEqualNode(nsINode* aNode);
|
|
void GetNamespaceURI(nsAString& aNamespaceURI) const
|
|
{
|
|
mNodeInfo->GetNamespaceURI(aNamespaceURI);
|
|
}
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
void GetPrefix(nsAString& aPrefix)
|
|
{
|
|
mNodeInfo->GetPrefix(aPrefix);
|
|
}
|
|
#endif
|
|
void GetLocalName(mozilla::dom::DOMString& aLocalName) const
|
|
{
|
|
const nsString& localName = LocalName();
|
|
aLocalName.SetOwnedString(localName);
|
|
}
|
|
|
|
nsDOMAttributeMap* GetAttributes();
|
|
void SetUserData(JSContext* aCx, const nsAString& aKey,
|
|
JS::Handle<JS::Value> aData,
|
|
JS::MutableHandle<JS::Value> aRetval,
|
|
mozilla::ErrorResult& aError);
|
|
void GetUserData(JSContext* aCx, const nsAString& aKey,
|
|
JS::MutableHandle<JS::Value> aRetval,
|
|
mozilla::ErrorResult& aError);
|
|
|
|
// Helper method to remove this node from its parent. This is not exposed
|
|
// through WebIDL.
|
|
// Only call this if the node has a parent node.
|
|
nsresult RemoveFromParent()
|
|
{
|
|
nsINode* parent = GetParentNode();
|
|
mozilla::ErrorResult rv;
|
|
parent->RemoveChild(*this, rv);
|
|
return rv.StealNSResult();
|
|
}
|
|
|
|
// ChildNode methods
|
|
mozilla::dom::Element* GetPreviousElementSibling() const;
|
|
mozilla::dom::Element* GetNextElementSibling() const;
|
|
|
|
void Before(const Sequence<OwningNodeOrString>& aNodes, ErrorResult& aRv);
|
|
void After(const Sequence<OwningNodeOrString>& aNodes, ErrorResult& aRv);
|
|
void ReplaceWith(const Sequence<OwningNodeOrString>& aNodes,
|
|
ErrorResult& aRv);
|
|
/**
|
|
* Remove this node from its parent, if any.
|
|
*/
|
|
void Remove();
|
|
|
|
// ParentNode methods
|
|
mozilla::dom::Element* GetFirstElementChild() const;
|
|
mozilla::dom::Element* GetLastElementChild() const;
|
|
|
|
void Prepend(const Sequence<OwningNodeOrString>& aNodes, ErrorResult& aRv);
|
|
void Append(const Sequence<OwningNodeOrString>& aNodes, ErrorResult& aRv);
|
|
|
|
void GetBoxQuads(const BoxQuadOptions& aOptions,
|
|
nsTArray<RefPtr<DOMQuad> >& aResult,
|
|
CallerType aCallerType,
|
|
ErrorResult& aRv);
|
|
|
|
already_AddRefed<DOMQuad> ConvertQuadFromNode(DOMQuad& aQuad,
|
|
const TextOrElementOrDocument& aFrom,
|
|
const ConvertCoordinateOptions& aOptions,
|
|
CallerType aCallerType,
|
|
ErrorResult& aRv);
|
|
already_AddRefed<DOMQuad> ConvertRectFromNode(DOMRectReadOnly& aRect,
|
|
const TextOrElementOrDocument& aFrom,
|
|
const ConvertCoordinateOptions& aOptions,
|
|
CallerType aCallerType,
|
|
ErrorResult& aRv);
|
|
already_AddRefed<DOMPoint> ConvertPointFromNode(const DOMPointInit& aPoint,
|
|
const TextOrElementOrDocument& aFrom,
|
|
const ConvertCoordinateOptions& aOptions,
|
|
CallerType aCallerType,
|
|
ErrorResult& aRv);
|
|
|
|
const mozilla::LinkedList<nsRange>* GetExistingCommonAncestorRanges() const
|
|
{
|
|
if (!HasSlots()) {
|
|
return nullptr;
|
|
}
|
|
return GetExistingSlots()->mCommonAncestorRanges.get();
|
|
}
|
|
|
|
mozilla::LinkedList<nsRange>* GetExistingCommonAncestorRanges()
|
|
{
|
|
if (!HasSlots()) {
|
|
return nullptr;
|
|
}
|
|
return GetExistingSlots()->mCommonAncestorRanges.get();
|
|
}
|
|
|
|
mozilla::UniquePtr<mozilla::LinkedList<nsRange>>& GetCommonAncestorRangesPtr()
|
|
{
|
|
return Slots()->mCommonAncestorRanges;
|
|
}
|
|
|
|
protected:
|
|
|
|
// Override this function to create a custom slots class.
|
|
// Must not return null.
|
|
virtual nsINode::nsSlots* CreateSlots();
|
|
|
|
bool HasSlots() const
|
|
{
|
|
return mSlots != nullptr;
|
|
}
|
|
|
|
nsSlots* GetExistingSlots() const
|
|
{
|
|
return mSlots;
|
|
}
|
|
|
|
nsSlots* Slots()
|
|
{
|
|
if (!HasSlots()) {
|
|
mSlots = CreateSlots();
|
|
MOZ_ASSERT(mSlots);
|
|
}
|
|
return GetExistingSlots();
|
|
}
|
|
|
|
nsAutoTObserverArray<nsIMutationObserver*, 1> *GetMutationObservers()
|
|
{
|
|
return HasSlots() ? &GetExistingSlots()->mMutationObservers : nullptr;
|
|
}
|
|
|
|
bool IsEditableInternal() const;
|
|
virtual bool IsEditableExternal() const
|
|
{
|
|
return IsEditableInternal();
|
|
}
|
|
|
|
virtual void GetTextContentInternal(nsAString& aTextContent,
|
|
mozilla::OOMReporter& aError);
|
|
virtual void SetTextContentInternal(const nsAString& aTextContent,
|
|
mozilla::ErrorResult& aError)
|
|
{
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
// Note: virtual so that IsInNativeAnonymousSubtree can be called accross
|
|
// module boundaries.
|
|
virtual void CheckNotNativeAnonymous() const;
|
|
#endif
|
|
|
|
// These are just used to implement nsIDOMNode using
|
|
// NS_FORWARD_NSIDOMNODE_TO_NSINODE_HELPER and for quickstubs.
|
|
nsresult GetParentNode(nsIDOMNode** aParentNode);
|
|
nsresult GetChildNodes(nsIDOMNodeList** aChildNodes);
|
|
nsresult GetFirstChild(nsIDOMNode** aFirstChild);
|
|
nsresult GetLastChild(nsIDOMNode** aLastChild);
|
|
nsresult GetPreviousSibling(nsIDOMNode** aPrevSibling);
|
|
nsresult GetNextSibling(nsIDOMNode** aNextSibling);
|
|
nsresult GetOwnerDocument(nsIDOMDocument** aOwnerDocument);
|
|
|
|
void EnsurePreInsertionValidity1(nsINode& aNewChild, nsINode* aRefChild,
|
|
mozilla::ErrorResult& aError);
|
|
void EnsurePreInsertionValidity2(bool aReplace, nsINode& aNewChild,
|
|
nsINode* aRefChild,
|
|
mozilla::ErrorResult& aError);
|
|
nsINode* ReplaceOrInsertBefore(bool aReplace, nsINode* aNewChild,
|
|
nsINode* aRefChild,
|
|
mozilla::ErrorResult& aError);
|
|
nsresult RemoveChild(nsIDOMNode* aOldChild, nsIDOMNode** aReturn);
|
|
|
|
/**
|
|
* Returns the Element that should be used for resolving namespaces
|
|
* on this node (ie the ownerElement for attributes, the documentElement for
|
|
* documents, the node itself for elements and for other nodes the parentNode
|
|
* if it is an element).
|
|
*/
|
|
virtual mozilla::dom::Element* GetNameSpaceElement() = 0;
|
|
|
|
/**
|
|
* Most of the implementation of the nsINode RemoveChildAt method.
|
|
* Should only be called on document, element, and document fragment
|
|
* nodes. The aChildArray passed in should be the one for |this|.
|
|
*
|
|
* @param aIndex The index to remove at.
|
|
* @param aNotify Whether to notify.
|
|
* @param aKid The kid at aIndex. Must not be null.
|
|
* @param aChildArray The child array to work with.
|
|
* @param aMutationEvent whether to fire a mutation event for this removal.
|
|
*/
|
|
void doRemoveChildAt(uint32_t aIndex, bool aNotify, nsIContent* aKid,
|
|
nsAttrAndChildArray& aChildArray);
|
|
|
|
/**
|
|
* Most of the implementation of the nsINode InsertChildAt method.
|
|
* Should only be called on document, element, and document fragment
|
|
* nodes. The aChildArray passed in should be the one for |this|.
|
|
*
|
|
* @param aKid The child to insert.
|
|
* @param aIndex The index to insert at.
|
|
* @param aNotify Whether to notify.
|
|
* @param aChildArray The child array to work with
|
|
*/
|
|
nsresult doInsertChildAt(nsIContent* aKid, uint32_t aIndex,
|
|
bool aNotify, nsAttrAndChildArray& aChildArray);
|
|
|
|
/**
|
|
* Parse the given selector string into an nsCSSSelectorList.
|
|
*
|
|
* A null return value with a non-failing aRv means the string only
|
|
* contained pseudo-element selectors.
|
|
*
|
|
* A failing aRv means the string was not a valid selector.
|
|
*
|
|
* Note that the selector list returned here is owned by the owner doc's
|
|
* selector cache.
|
|
*/
|
|
nsCSSSelectorList* ParseSelectorList(const nsAString& aSelectorString,
|
|
mozilla::ErrorResult& aRv);
|
|
|
|
/**
|
|
* Parse the given selector string into a servo SelectorList.
|
|
*
|
|
* Never returns null if aRv is not failing.
|
|
*
|
|
* Note that the selector list returned here is owned by the owner doc's
|
|
* selector cache.
|
|
*/
|
|
const RawServoSelectorList* ParseServoSelectorList(
|
|
const nsAString& aSelectorString,
|
|
mozilla::ErrorResult& aRv);
|
|
|
|
/**
|
|
* Parse the given selector string a SelectorList, depending on whether we're
|
|
* in a Servo or Gecko-backed document, and execute either aServoFunctor or
|
|
* aGeckoFunctor on it.
|
|
*
|
|
* Note that the selector list is owned by the owner doc's selector cache
|
|
* which can get expired, so you shouldn't keep it around for long.
|
|
*/
|
|
template<typename Ret, typename ServoFunctor, typename GeckoFunctor>
|
|
Ret WithSelectorList(
|
|
const nsAString& aSelectorString,
|
|
mozilla::ErrorResult& aRv,
|
|
const ServoFunctor& aServoFunctor,
|
|
const GeckoFunctor& aGeckoFunctor)
|
|
{
|
|
if (IsStyledByServo()) {
|
|
return aServoFunctor(ParseServoSelectorList(aSelectorString, aRv));
|
|
}
|
|
return aGeckoFunctor(ParseSelectorList(aSelectorString, aRv));
|
|
}
|
|
|
|
public:
|
|
/* Event stuff that documents and elements share. This needs to be
|
|
NS_IMETHOD because some subclasses implement DOM methods with
|
|
this exact name and signature and then the calling convention
|
|
needs to match.
|
|
|
|
Note that we include DOCUMENT_ONLY_EVENT events here so that we
|
|
can forward all the document stuff to this implementation.
|
|
*/
|
|
#define EVENT(name_, id_, type_, struct_) \
|
|
mozilla::dom::EventHandlerNonNull* GetOn##name_(); \
|
|
void SetOn##name_(mozilla::dom::EventHandlerNonNull* listener);
|
|
#define TOUCH_EVENT EVENT
|
|
#define DOCUMENT_ONLY_EVENT EVENT
|
|
#include "mozilla/EventNameList.h"
|
|
#undef DOCUMENT_ONLY_EVENT
|
|
#undef TOUCH_EVENT
|
|
#undef EVENT
|
|
|
|
protected:
|
|
static bool Traverse(nsINode *tmp, nsCycleCollectionTraversalCallback &cb);
|
|
static void Unlink(nsINode *tmp);
|
|
|
|
RefPtr<mozilla::dom::NodeInfo> mNodeInfo;
|
|
|
|
// mParent is an owning ref most of the time, except for the case of document
|
|
// nodes, so it cannot be represented by nsCOMPtr, so mark is as
|
|
// MOZ_OWNING_REF.
|
|
nsINode* MOZ_OWNING_REF mParent;
|
|
|
|
private:
|
|
#ifndef BOOL_FLAGS_ON_WRAPPER_CACHE
|
|
// Boolean flags.
|
|
uint32_t mBoolFlags;
|
|
#endif
|
|
|
|
|
|
protected:
|
|
// These references are non-owning and safe, as they are managed by
|
|
// nsAttrAndChildArray.
|
|
nsIContent* MOZ_NON_OWNING_REF mNextSibling;
|
|
nsIContent* MOZ_NON_OWNING_REF mPreviousSibling;
|
|
// This reference is non-owning and safe, since in the case of documents,
|
|
// it is set to null when the document gets destroyed, and in the case of
|
|
// other nodes, the children keep the parents alive.
|
|
nsIContent* MOZ_NON_OWNING_REF mFirstChild;
|
|
|
|
union {
|
|
// Pointer to our primary frame. Might be null.
|
|
nsIFrame* mPrimaryFrame;
|
|
|
|
// Pointer to the root of our subtree. Might be null.
|
|
// This reference is non-owning and safe, since it either points to the
|
|
// object itself, or is reset by ClearSubtreeRootPointer.
|
|
nsINode* MOZ_NON_OWNING_REF mSubtreeRoot;
|
|
};
|
|
|
|
// Storage for more members that are usually not needed; allocated lazily.
|
|
nsSlots* mSlots;
|
|
};
|
|
|
|
inline nsIDOMNode* GetAsDOMNode(nsINode* aNode)
|
|
{
|
|
return aNode ? aNode->AsDOMNode() : nullptr;
|
|
}
|
|
|
|
// Useful inline function for getting a node given an nsIContent and an
|
|
// nsIDocument. Returns the first argument cast to nsINode if it is non-null,
|
|
// otherwise returns the second (which may be null). We use type variables
|
|
// instead of nsIContent* and nsIDocument* because the actual types must be
|
|
// known for the cast to work.
|
|
template<class C, class D>
|
|
inline nsINode* NODE_FROM(C& aContent, D& aDocument)
|
|
{
|
|
if (aContent)
|
|
return static_cast<nsINode*>(aContent);
|
|
return static_cast<nsINode*>(aDocument);
|
|
}
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsINode, NS_INODE_IID)
|
|
|
|
inline nsISupports*
|
|
ToSupports(nsINode* aPointer)
|
|
{
|
|
return aPointer;
|
|
}
|
|
|
|
inline nsISupports*
|
|
ToCanonicalSupports(nsINode* aPointer)
|
|
{
|
|
return aPointer;
|
|
}
|
|
|
|
#define NS_FORWARD_NSIDOMNODE_TO_NSINODE_HELPER(...) \
|
|
NS_IMETHOD GetNodeName(nsAString& aNodeName) __VA_ARGS__ override \
|
|
{ \
|
|
aNodeName = nsINode::NodeName(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetNodeValue(nsAString& aNodeValue) __VA_ARGS__ override \
|
|
{ \
|
|
nsINode::GetNodeValue(aNodeValue); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetNodeValue(const nsAString& aNodeValue) __VA_ARGS__ override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
nsINode::SetNodeValue(aNodeValue, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD GetNodeType(uint16_t* aNodeType) __VA_ARGS__ override \
|
|
{ \
|
|
*aNodeType = nsINode::NodeType(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetParentNode(nsIDOMNode** aParentNode) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::GetParentNode(aParentNode); \
|
|
} \
|
|
NS_IMETHOD GetChildNodes(nsIDOMNodeList** aChildNodes) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::GetChildNodes(aChildNodes); \
|
|
} \
|
|
NS_IMETHOD GetFirstChild(nsIDOMNode** aFirstChild) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::GetFirstChild(aFirstChild); \
|
|
} \
|
|
NS_IMETHOD GetLastChild(nsIDOMNode** aLastChild) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::GetLastChild(aLastChild); \
|
|
} \
|
|
NS_IMETHOD GetPreviousSibling(nsIDOMNode** aPreviousSibling) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::GetPreviousSibling(aPreviousSibling); \
|
|
} \
|
|
NS_IMETHOD GetNextSibling(nsIDOMNode** aNextSibling) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::GetNextSibling(aNextSibling); \
|
|
} \
|
|
NS_IMETHOD GetOwnerDocument(nsIDOMDocument** aOwnerDocument) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::GetOwnerDocument(aOwnerDocument); \
|
|
} \
|
|
NS_IMETHOD RemoveChild(nsIDOMNode* aOldChild, nsIDOMNode** aResult) __VA_ARGS__ override \
|
|
{ \
|
|
return nsINode::RemoveChild(aOldChild, aResult); \
|
|
} \
|
|
NS_IMETHOD HasChildNodes(bool* aResult) __VA_ARGS__ override \
|
|
{ \
|
|
*aResult = nsINode::HasChildNodes(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD CloneNode(bool aDeep, uint8_t aArgc, nsIDOMNode** aResult) __VA_ARGS__ override \
|
|
{ \
|
|
if (aArgc == 0) { \
|
|
aDeep = true; \
|
|
} \
|
|
mozilla::ErrorResult rv; \
|
|
nsCOMPtr<nsINode> clone = nsINode::CloneNode(aDeep, rv); \
|
|
if (rv.Failed()) { \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
*aResult = clone.forget().take()->AsDOMNode(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetNamespaceURI(nsAString& aNamespaceURI) __VA_ARGS__ override \
|
|
{ \
|
|
nsINode::GetNamespaceURI(aNamespaceURI); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetPrefix(nsAString& aPrefix) __VA_ARGS__ override \
|
|
{ \
|
|
nsINode::GetPrefix(aPrefix); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetLocalName(nsAString& aLocalName) __VA_ARGS__ override \
|
|
{ \
|
|
aLocalName = nsINode::LocalName(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetTextContent(nsAString& aTextContent) __VA_ARGS__ override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
nsINode::GetTextContent(aTextContent, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD SetTextContent(const nsAString& aTextContent) __VA_ARGS__ override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
nsINode::SetTextContent(aTextContent, rv); \
|
|
return rv.StealNSResult(); \
|
|
}
|
|
|
|
#define NS_FORWARD_NSIDOMNODE_TO_NSINODE \
|
|
NS_FORWARD_NSIDOMNODE_TO_NSINODE_HELPER(final)
|
|
|
|
#define NS_FORWARD_NSIDOMNODE_TO_NSINODE_OVERRIDABLE \
|
|
NS_FORWARD_NSIDOMNODE_TO_NSINODE_HELPER()
|
|
|
|
#endif /* nsINode_h___ */
|